--- /dev/null
+/*
+ * Copyright (C) 2007 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.server.wm;
+
+import static android.view.WindowManager.LayoutParams.*;
+
+import static android.view.WindowManagerPolicy.FINISH_LAYOUT_REDO_WALLPAPER;
+import android.app.AppOpsManager;
+import android.os.Build;
+import android.os.SystemService;
+import android.util.ArraySet;
+import android.util.TimeUtils;
+import android.view.IWindowId;
+
+import android.view.IWindowSessionCallback;
+import android.view.WindowContentFrameStats;
+import com.android.internal.app.IBatteryStats;
+import com.android.internal.policy.PolicyManager;
+import com.android.internal.policy.impl.PhoneWindowManager;
+import com.android.internal.util.FastPrintWriter;
+import com.android.internal.view.IInputContext;
+import com.android.internal.view.IInputMethodClient;
+import com.android.internal.view.IInputMethodManager;
+import com.android.internal.view.WindowManagerPolicyThread;
+import com.android.server.AttributeCache;
+import com.android.server.DisplayThread;
+import com.android.server.EventLogTags;
+import com.android.server.LocalServices;
+import com.android.server.UiThread;
+import com.android.server.Watchdog;
+import com.android.server.am.BatteryStatsService;
+import com.android.server.input.InputManagerService;
+import com.android.server.power.ShutdownThread;
+
+import android.Manifest;
+import android.app.ActivityManagerNative;
+import android.app.IActivityManager;
+import android.app.StatusBarManager;
+import android.app.admin.DevicePolicyManager;
+import android.animation.ValueAnimator;
+import android.content.BroadcastReceiver;
+import android.content.ContentResolver;
+import android.content.Context;
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.content.pm.ActivityInfo;
+import android.content.pm.PackageManager;
+import android.content.res.CompatibilityInfo;
+import android.content.res.Configuration;
+import android.database.ContentObserver;
+import android.graphics.Bitmap;
+import android.graphics.Bitmap.Config;
+import android.graphics.Canvas;
+import android.graphics.Matrix;
+import android.graphics.PixelFormat;
+import android.graphics.Point;
+import android.graphics.Rect;
+import android.graphics.RectF;
+import android.graphics.Region;
+import android.hardware.display.DisplayManager;
+import android.hardware.display.DisplayManagerInternal;
+import android.os.Binder;
+import android.os.Bundle;
+import android.os.Debug;
+import android.os.Handler;
+import android.os.IBinder;
+import android.os.IRemoteCallback;
+import android.os.Looper;
+import android.os.Message;
+import android.os.Parcel;
+import android.os.ParcelFileDescriptor;
+import android.os.PowerManager;
+import android.os.PowerManagerInternal;
+import android.os.Process;
+import android.os.RemoteException;
+import android.os.ServiceManager;
+import android.os.StrictMode;
+import android.os.SystemClock;
+import android.os.SystemProperties;
+import android.os.Trace;
+import android.os.UserHandle;
+import android.os.WorkSource;
+import android.provider.Settings;
+import android.util.DisplayMetrics;
+import android.util.EventLog;
+import android.util.Log;
+import android.util.SparseArray;
+import android.util.Pair;
+import android.util.Slog;
+import android.util.SparseIntArray;
+import android.util.TypedValue;
+import android.view.Choreographer;
+import android.view.Display;
+import android.view.DisplayInfo;
+import android.view.Gravity;
+import android.view.IApplicationToken;
+import android.view.IInputFilter;
+import android.view.IOnKeyguardExitResult;
+import android.view.IRotationWatcher;
+import android.view.IWindow;
+import android.view.IWindowManager;
+import android.view.IWindowSession;
+import android.view.InputChannel;
+import android.view.InputDevice;
+import android.view.InputEvent;
+import android.view.InputEventReceiver;
+import android.view.KeyEvent;
+import android.view.MagnificationSpec;
+import android.view.MotionEvent;
+import android.view.WindowManagerInternal;
+import android.view.Surface.OutOfResourcesException;
+import android.view.Surface;
+import android.view.SurfaceControl;
+import android.view.SurfaceSession;
+import android.view.View;
+import android.view.ViewTreeObserver;
+import android.view.WindowManager;
+import android.view.WindowManagerGlobal;
+import android.view.WindowManagerPolicy;
+import android.view.WindowManager.LayoutParams;
+import android.view.WindowManagerPolicy.FakeWindow;
+import android.view.WindowManagerPolicy.PointerEventListener;
+import android.view.animation.Animation;
+import android.view.animation.AnimationUtils;
+import android.view.animation.Transformation;
+
+import java.io.BufferedWriter;
+import java.io.DataInputStream;
+import java.io.File;
+import java.io.FileDescriptor;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.io.OutputStream;
+import java.io.OutputStreamWriter;
+import java.io.PrintWriter;
+import java.io.StringWriter;
+import java.net.Socket;
+import java.text.DateFormat;
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.List;
+
+/** {@hide} */
+public class WindowManagerService extends IWindowManager.Stub
+ implements Watchdog.Monitor, WindowManagerPolicy.WindowManagerFuncs {
+ static final String TAG = "WindowManager";
+ static final boolean DEBUG = false;
+ static final boolean DEBUG_ADD_REMOVE = false;
+ static final boolean DEBUG_FOCUS = false;
+ static final boolean DEBUG_FOCUS_LIGHT = DEBUG_FOCUS || false;
+ static final boolean DEBUG_ANIM = false;
+ static final boolean DEBUG_LAYOUT = false;
+ static final boolean DEBUG_RESIZE = false;
+ static final boolean DEBUG_LAYERS = false;
+ static final boolean DEBUG_INPUT = false;
+ static final boolean DEBUG_INPUT_METHOD = false;
+ static final boolean DEBUG_VISIBILITY = false;
+ static final boolean DEBUG_WINDOW_MOVEMENT = false;
+ static final boolean DEBUG_TOKEN_MOVEMENT = false;
+ static final boolean DEBUG_ORIENTATION = false;
+ static final boolean DEBUG_APP_ORIENTATION = false;
+ static final boolean DEBUG_CONFIGURATION = false;
+ static final boolean DEBUG_APP_TRANSITIONS = false;
+ static final boolean DEBUG_STARTING_WINDOW = false;
+ static final boolean DEBUG_REORDER = false;
+ static final boolean DEBUG_WALLPAPER = false;
+ static final boolean DEBUG_WALLPAPER_LIGHT = false || DEBUG_WALLPAPER;
+ static final boolean DEBUG_DRAG = false;
+ static final boolean DEBUG_SCREEN_ON = false;
+ static final boolean DEBUG_SCREENSHOT = false;
+ static final boolean DEBUG_BOOT = false;
+ static final boolean DEBUG_LAYOUT_REPEATS = true;
+ static final boolean DEBUG_SURFACE_TRACE = false;
+ static final boolean DEBUG_WINDOW_TRACE = false;
+ static final boolean DEBUG_TASK_MOVEMENT = false;
+ static final boolean DEBUG_STACK = false;
+ static final boolean DEBUG_DISPLAY = false;
+ static final boolean SHOW_SURFACE_ALLOC = false;
+ static final boolean SHOW_TRANSACTIONS = false;
+ static final boolean SHOW_LIGHT_TRANSACTIONS = false || SHOW_TRANSACTIONS;
+ static final boolean HIDE_STACK_CRAWLS = true;
+ static final int LAYOUT_REPEAT_THRESHOLD = 4;
+
+ static final boolean PROFILE_ORIENTATION = false;
+ static final boolean localLOGV = DEBUG;
+
+ /** How much to multiply the policy's type layer, to reserve room
+ * for multiple windows of the same type and Z-ordering adjustment
+ * with TYPE_LAYER_OFFSET. */
+ static final int TYPE_LAYER_MULTIPLIER = 10000;
+
+ /** Offset from TYPE_LAYER_MULTIPLIER for moving a group of windows above
+ * or below others in the same layer. */
+ static final int TYPE_LAYER_OFFSET = 1000;
+
+ /** How much to increment the layer for each window, to reserve room
+ * for effect surfaces between them.
+ */
+ static final int WINDOW_LAYER_MULTIPLIER = 5;
+
+ /**
+ * Dim surface layer is immediately below target window.
+ */
+ static final int LAYER_OFFSET_DIM = 1;
+
+ /**
+ * Blur surface layer is immediately below dim layer.
+ */
+ static final int LAYER_OFFSET_BLUR = 2;
+
+ /**
+ * FocusedStackFrame layer is immediately above focused window.
+ */
+ static final int LAYER_OFFSET_FOCUSED_STACK = 1;
+
+ /**
+ * Animation thumbnail is as far as possible below the window above
+ * the thumbnail (or in other words as far as possible above the window
+ * below it).
+ */
+ static final int LAYER_OFFSET_THUMBNAIL = WINDOW_LAYER_MULTIPLIER-1;
+
+ /**
+ * Layer at which to put the rotation freeze snapshot.
+ */
+ static final int FREEZE_LAYER = (TYPE_LAYER_MULTIPLIER * 200) + 1;
+
+ /**
+ * Layer at which to put the mask for emulated screen sizes.
+ */
+ static final int MASK_LAYER = TYPE_LAYER_MULTIPLIER * 200;
+
+ /** The maximum length we will accept for a loaded animation duration:
+ * this is 10 seconds.
+ */
+ static final int MAX_ANIMATION_DURATION = 10*1000;
+
+ /** Amount of time (in milliseconds) to animate the fade-in-out transition for
+ * compatible windows.
+ */
+ static final int DEFAULT_FADE_IN_OUT_DURATION = 400;
+
+ /** Amount of time (in milliseconds) to delay before declaring a window freeze timeout. */
+ static final int WINDOW_FREEZE_TIMEOUT_DURATION = 2000;
+
+ /**
+ * If true, the window manager will do its own custom freezing and general
+ * management of the screen during rotation.
+ */
+ static final boolean CUSTOM_SCREEN_ROTATION = true;
+
+ // Maximum number of milliseconds to wait for input devices to be enumerated before
+ // proceding with safe mode detection.
+ private static final int INPUT_DEVICES_READY_FOR_SAFE_MODE_DETECTION_TIMEOUT_MILLIS = 1000;
+
+ // Default input dispatching timeout in nanoseconds.
+ static final long DEFAULT_INPUT_DISPATCHING_TIMEOUT_NANOS = 5000 * 1000000L;
+
+ // Poll interval in milliseconds for watching boot animation finished.
+ private static final int BOOT_ANIMATION_POLL_INTERVAL = 200;
+
+ // The name of the boot animation service in init.rc.
+ private static final String BOOT_ANIMATION_SERVICE = "bootanim";
+
+ /** Minimum value for attachStack and resizeStack weight value */
+ public static final float STACK_WEIGHT_MIN = 0.2f;
+
+ /** Maximum value for attachStack and resizeStack weight value */
+ public static final float STACK_WEIGHT_MAX = 0.8f;
+
+ static final int UPDATE_FOCUS_NORMAL = 0;
+ static final int UPDATE_FOCUS_WILL_ASSIGN_LAYERS = 1;
+ static final int UPDATE_FOCUS_PLACING_SURFACES = 2;
+ static final int UPDATE_FOCUS_WILL_PLACE_SURFACES = 3;
+
+ private static final String SYSTEM_SECURE = "ro.secure";
+ private static final String SYSTEM_DEBUGGABLE = "ro.debuggable";
+
+ private static final String DENSITY_OVERRIDE = "ro.config.density_override";
+ private static final String SIZE_OVERRIDE = "ro.config.size_override";
+
+ private static final int MAX_SCREENSHOT_RETRIES = 3;
+
+ // The flag describing a full screen app window (where the app takes care of drawing under the
+ // SystemUI bars)
+ private static final int SYSTEM_UI_FLAGS_LAYOUT_STABLE_FULLSCREEN =
+ View.SYSTEM_UI_FLAG_LAYOUT_STABLE | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN;
+
+ private static final String PROPERTY_EMULATOR_CIRCULAR = "ro.emulator.circular";
+
+ final private KeyguardDisableHandler mKeyguardDisableHandler;
+
+ final BroadcastReceiver mBroadcastReceiver = new BroadcastReceiver() {
+ @Override
+ public void onReceive(Context context, Intent intent) {
+ final String action = intent.getAction();
+ if (DevicePolicyManager.ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED.equals(action)) {
+ mKeyguardDisableHandler.sendEmptyMessage(
+ KeyguardDisableHandler.KEYGUARD_POLICY_CHANGED);
+ }
+ }
+ };
+
+ /**
+ * Current user when multi-user is enabled. Don't show windows of
+ * non-current user. Also see mCurrentProfileIds.
+ */
+ int mCurrentUserId;
+ /**
+ * Users that are profiles of the current user. These are also allowed to show windows
+ * on the current user.
+ */
+ int[] mCurrentProfileIds = new int[] {UserHandle.USER_OWNER};
+
+ final Context mContext;
+
+ final boolean mHaveInputMethods;
+
+ final boolean mHasPermanentDpad;
+
+ final boolean mAllowBootMessages;
+
+ final boolean mLimitedAlphaCompositing;
+
+ final WindowManagerPolicy mPolicy = PolicyManager.makeNewWindowManager();
+
+ final IActivityManager mActivityManager;
+
+ final IBatteryStats mBatteryStats;
+
+ final AppOpsManager mAppOps;
+
+ final DisplaySettings mDisplaySettings;
+
+ /**
+ * All currently active sessions with clients.
+ */
+ final ArraySet<Session> mSessions = new ArraySet<Session>();
+
+ /**
+ * Mapping from an IWindow IBinder to the server's Window object.
+ * This is also used as the lock for all of our state.
+ * NOTE: Never call into methods that lock ActivityManagerService while holding this object.
+ */
+ final HashMap<IBinder, WindowState> mWindowMap = new HashMap<IBinder, WindowState>();
+
+ /**
+ * Mapping from a token IBinder to a WindowToken object.
+ */
+ final HashMap<IBinder, WindowToken> mTokenMap = new HashMap<IBinder, WindowToken>();
+
+ /**
+ * List of window tokens that have finished starting their application,
+ * and now need to have the policy remove their windows.
+ */
+ final ArrayList<AppWindowToken> mFinishedStarting = new ArrayList<AppWindowToken>();
+
+ /**
+ * Fake windows added to the window manager. Note: ordered from top to
+ * bottom, opposite of mWindows.
+ */
+ final ArrayList<FakeWindowImpl> mFakeWindows = new ArrayList<FakeWindowImpl>();
+
+ /**
+ * Windows that are being resized. Used so we can tell the client about
+ * the resize after closing the transaction in which we resized the
+ * underlying surface.
+ */
+ final ArrayList<WindowState> mResizingWindows = new ArrayList<WindowState>();
+
+ /**
+ * Windows whose animations have ended and now must be removed.
+ */
+ final ArrayList<WindowState> mPendingRemove = new ArrayList<WindowState>();
+
+ /**
+ * Stacks whose animations have ended and whose tasks, apps, selves may now be removed.
+ */
+ final ArraySet<TaskStack> mPendingStacksRemove = new ArraySet<TaskStack>();
+
+ /**
+ * Used when processing mPendingRemove to avoid working on the original array.
+ */
+ WindowState[] mPendingRemoveTmp = new WindowState[20];
+
+ /**
+ * Windows whose surface should be destroyed.
+ */
+ final ArrayList<WindowState> mDestroySurface = new ArrayList<WindowState>();
+
+ /**
+ * Windows that have lost input focus and are waiting for the new
+ * focus window to be displayed before they are told about this.
+ */
+ ArrayList<WindowState> mLosingFocus = new ArrayList<WindowState>();
+
+ /**
+ * This is set when we have run out of memory, and will either be an empty
+ * list or contain windows that need to be force removed.
+ */
+ ArrayList<WindowState> mForceRemoves;
+
+ /**
+ * Windows that clients are waiting to have drawn.
+ */
+ ArrayList<WindowState> mWaitingForDrawn = new ArrayList<WindowState>();
+ /**
+ * And the callback to make when they've all been drawn.
+ */
+ Runnable mWaitingForDrawnCallback;
+
+ /**
+ * Windows that have called relayout() while we were running animations,
+ * so we need to tell when the animation is done.
+ */
+ final ArrayList<WindowState> mRelayoutWhileAnimating = new ArrayList<WindowState>();
+
+ /**
+ * Used when rebuilding window list to keep track of windows that have
+ * been removed.
+ */
+ WindowState[] mRebuildTmp = new WindowState[20];
+
+ /**
+ * Stores for each user whether screencapture is disabled
+ * This array is essentially a cache for all userId for
+ * {@link android.app.admin.DevicePolicyManager#getScreenCaptureDisabled}
+ */
+ SparseArray<Boolean> mScreenCaptureDisabled = new SparseArray<Boolean>();
+
+ IInputMethodManager mInputMethodManager;
+
+ AccessibilityController mAccessibilityController;
+
+ final SurfaceSession mFxSession;
+ Watermark mWatermark;
+ StrictModeFlash mStrictModeFlash;
+ CircularDisplayMask mCircularDisplayMask;
+ EmulatorDisplayOverlay mEmulatorDisplayOverlay;
+ FocusedStackFrame mFocusedStackFrame;
+
+ int mFocusedStackLayer;
+
+ final float[] mTmpFloats = new float[9];
+ final Rect mTmpContentRect = new Rect();
+
+ boolean mDisplayReady;
+ boolean mSafeMode;
+ boolean mDisplayEnabled = false;
+ boolean mSystemBooted = false;
+ boolean mForceDisplayEnabled = false;
+ boolean mShowingBootMessages = false;
+ boolean mBootAnimationStopped = false;
+
+ String mLastANRState;
+
+ /** All DisplayContents in the world, kept here */
+ SparseArray<DisplayContent> mDisplayContents = new SparseArray<DisplayContent>(2);
+
+ int mRotation = 0;
+ int mForcedAppOrientation = ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
+ boolean mAltOrientation = false;
+
+ private boolean mKeyguardWaitingForActivityDrawn;
+
+ class RotationWatcher {
+ IRotationWatcher watcher;
+ IBinder.DeathRecipient deathRecipient;
+ RotationWatcher(IRotationWatcher w, IBinder.DeathRecipient d) {
+ watcher = w;
+ deathRecipient = d;
+ }
+ }
+ ArrayList<RotationWatcher> mRotationWatchers = new ArrayList<RotationWatcher>();
+ int mDeferredRotationPauseCount;
+
+ int mSystemDecorLayer = 0;
+ final Rect mScreenRect = new Rect();
+
+ boolean mTraversalScheduled = false;
+ boolean mDisplayFrozen = false;
+ long mDisplayFreezeTime = 0;
+ int mLastDisplayFreezeDuration = 0;
+ Object mLastFinishedFreezeSource = null;
+ boolean mWaitingForConfig = false;
+ boolean mWindowsFreezingScreen = false;
+ boolean mClientFreezingScreen = false;
+ int mAppsFreezingScreen = 0;
+ int mLastWindowForcedOrientation = ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
+
+ int mLayoutSeq = 0;
+
+ int mLastStatusBarVisibility = 0;
+
+ // State while inside of layoutAndPlaceSurfacesLocked().
+ boolean mFocusMayChange;
+
+ Configuration mCurConfiguration = new Configuration();
+
+ // This is held as long as we have the screen frozen, to give us time to
+ // perform a rotation animation when turning off shows the lock screen which
+ // changes the orientation.
+ private final PowerManager.WakeLock mScreenFrozenLock;
+
+ final AppTransition mAppTransition;
+ boolean mStartingIconInTransition = false;
+ boolean mSkipAppTransitionAnimation = false;
+
+ final ArraySet<AppWindowToken> mOpeningApps = new ArraySet<AppWindowToken>();
+ final ArraySet<AppWindowToken> mClosingApps = new ArraySet<AppWindowToken>();
+
+ boolean mIsTouchDevice;
+
+ final DisplayMetrics mDisplayMetrics = new DisplayMetrics();
+ final DisplayMetrics mRealDisplayMetrics = new DisplayMetrics();
+ final DisplayMetrics mTmpDisplayMetrics = new DisplayMetrics();
+ final DisplayMetrics mCompatDisplayMetrics = new DisplayMetrics();
+
+ final H mH = new H();
+
+ final Choreographer mChoreographer = Choreographer.getInstance();
+
+ WindowState mCurrentFocus = null;
+ WindowState mLastFocus = null;
+
+ /** This just indicates the window the input method is on top of, not
+ * necessarily the window its input is going to. */
+ WindowState mInputMethodTarget = null;
+
+ /** If true hold off on modifying the animation layer of mInputMethodTarget */
+ boolean mInputMethodTargetWaitingAnim;
+ int mInputMethodAnimLayerAdjustment;
+
+ WindowState mInputMethodWindow = null;
+ final ArrayList<WindowState> mInputMethodDialogs = new ArrayList<WindowState>();
+
+ boolean mHardKeyboardAvailable;
+ boolean mShowImeWithHardKeyboard;
+ OnHardKeyboardStatusChangeListener mHardKeyboardStatusChangeListener;
+ SettingsObserver mSettingsObserver;
+
+ private final class SettingsObserver extends ContentObserver {
+ public SettingsObserver() {
+ super(new Handler());
+ ContentResolver resolver = mContext.getContentResolver();
+ resolver.registerContentObserver(Settings.Secure.getUriFor(
+ Settings.Secure.SHOW_IME_WITH_HARD_KEYBOARD), false, this);
+ }
+
+ @Override
+ public void onChange(boolean selfChange) {
+ updateShowImeWithHardKeyboard();
+ }
+ }
+
+ final ArrayList<WindowToken> mWallpaperTokens = new ArrayList<WindowToken>();
+
+ // If non-null, this is the currently visible window that is associated
+ // with the wallpaper.
+ WindowState mWallpaperTarget = null;
+ // If non-null, we are in the middle of animating from one wallpaper target
+ // to another, and this is the lower one in Z-order.
+ WindowState mLowerWallpaperTarget = null;
+ // If non-null, we are in the middle of animating from one wallpaper target
+ // to another, and this is the higher one in Z-order.
+ WindowState mUpperWallpaperTarget = null;
+ int mWallpaperAnimLayerAdjustment;
+ float mLastWallpaperX = -1;
+ float mLastWallpaperY = -1;
+ float mLastWallpaperXStep = -1;
+ float mLastWallpaperYStep = -1;
+ int mLastWallpaperDisplayOffsetX = Integer.MIN_VALUE;
+ int mLastWallpaperDisplayOffsetY = Integer.MIN_VALUE;
+ // This is set when we are waiting for a wallpaper to tell us it is done
+ // changing its scroll position.
+ WindowState mWaitingOnWallpaper;
+ // The last time we had a timeout when waiting for a wallpaper.
+ long mLastWallpaperTimeoutTime;
+ // We give a wallpaper up to 150ms to finish scrolling.
+ static final long WALLPAPER_TIMEOUT = 150;
+ // Time we wait after a timeout before trying to wait again.
+ static final long WALLPAPER_TIMEOUT_RECOVERY = 10000;
+ boolean mAnimateWallpaperWithTarget;
+
+ AppWindowToken mFocusedApp = null;
+
+ PowerManager mPowerManager;
+ PowerManagerInternal mPowerManagerInternal;
+
+ float mWindowAnimationScaleSetting = 1.0f;
+ float mTransitionAnimationScaleSetting = 1.0f;
+ float mAnimatorDurationScaleSetting = 1.0f;
+ boolean mAnimationsDisabled = false;
+
+ final InputManagerService mInputManager;
+ final DisplayManagerInternal mDisplayManagerInternal;
+ final DisplayManager mDisplayManager;
+
+ // Who is holding the screen on.
+ Session mHoldingScreenOn;
+ PowerManager.WakeLock mHoldingScreenWakeLock;
+
+ boolean mTurnOnScreen;
+
+ DragState mDragState = null;
+
+ // For frozen screen animations.
+ int mExitAnimId, mEnterAnimId;
+
+ /** Pulled out of performLayoutAndPlaceSurfacesLockedInner in order to refactor into multiple
+ * methods. */
+ class LayoutFields {
+ static final int SET_UPDATE_ROTATION = 1 << 0;
+ static final int SET_WALLPAPER_MAY_CHANGE = 1 << 1;
+ static final int SET_FORCE_HIDING_CHANGED = 1 << 2;
+ static final int SET_ORIENTATION_CHANGE_COMPLETE = 1 << 3;
+ static final int SET_TURN_ON_SCREEN = 1 << 4;
+ static final int SET_WALLPAPER_ACTION_PENDING = 1 << 5;
+
+ boolean mWallpaperForceHidingChanged = false;
+ boolean mWallpaperMayChange = false;
+ boolean mOrientationChangeComplete = true;
+ Object mLastWindowFreezeSource = null;
+ private Session mHoldScreen = null;
+ private boolean mObscured = false;
+ private boolean mSyswin = false;
+ private float mScreenBrightness = -1;
+ private float mButtonBrightness = -1;
+ private long mUserActivityTimeout = -1;
+ private boolean mUpdateRotation = false;
+ boolean mWallpaperActionPending = false;
+
+ // Set to true when the display contains content to show the user.
+ // When false, the display manager may choose to mirror or blank the display.
+ boolean mDisplayHasContent = false;
+
+ // Only set while traversing the default display based on its content.
+ // Affects the behavior of mirroring on secondary displays.
+ boolean mObscureApplicationContentOnSecondaryDisplays = false;
+
+ float mPreferredRefreshRate = 0;
+ }
+ final LayoutFields mInnerFields = new LayoutFields();
+
+ boolean mAnimationScheduled;
+
+ /** Skip repeated AppWindowTokens initialization. Note that AppWindowsToken's version of this
+ * is a long initialized to Long.MIN_VALUE so that it doesn't match this value on startup. */
+ private int mTransactionSequence;
+
+ /** Only do a maximum of 6 repeated layouts. After that quit */
+ private int mLayoutRepeatCount;
+
+ final WindowAnimator mAnimator;
+
+ SparseArray<Task> mTaskIdToTask = new SparseArray<Task>();
+
+ /** All of the TaskStacks in the window manager, unordered. For an ordered list call
+ * DisplayContent.getStacks(). */
+ SparseArray<TaskStack> mStackIdToStack = new SparseArray<TaskStack>();
+
+ private final PointerEventDispatcher mPointerEventDispatcher;
+
+ private WindowContentFrameStats mTempWindowRenderStats;
+
+ final class DragInputEventReceiver extends InputEventReceiver {
+ public DragInputEventReceiver(InputChannel inputChannel, Looper looper) {
+ super(inputChannel, looper);
+ }
+
+ @Override
+ public void onInputEvent(InputEvent event) {
+ boolean handled = false;
+ try {
+ if (event instanceof MotionEvent
+ && (event.getSource() & InputDevice.SOURCE_CLASS_POINTER) != 0
+ && mDragState != null) {
+ final MotionEvent motionEvent = (MotionEvent)event;
+ boolean endDrag = false;
+ final float newX = motionEvent.getRawX();
+ final float newY = motionEvent.getRawY();
+
+ switch (motionEvent.getAction()) {
+ case MotionEvent.ACTION_DOWN: {
+ if (DEBUG_DRAG) {
+ Slog.w(TAG, "Unexpected ACTION_DOWN in drag layer");
+ }
+ } break;
+
+ case MotionEvent.ACTION_MOVE: {
+ synchronized (mWindowMap) {
+ // move the surface and tell the involved window(s) where we are
+ mDragState.notifyMoveLw(newX, newY);
+ }
+ } break;
+
+ case MotionEvent.ACTION_UP: {
+ if (DEBUG_DRAG) Slog.d(TAG, "Got UP on move channel; dropping at "
+ + newX + "," + newY);
+ synchronized (mWindowMap) {
+ endDrag = mDragState.notifyDropLw(newX, newY);
+ }
+ } break;
+
+ case MotionEvent.ACTION_CANCEL: {
+ if (DEBUG_DRAG) Slog.d(TAG, "Drag cancelled!");
+ endDrag = true;
+ } break;
+ }
+
+ if (endDrag) {
+ if (DEBUG_DRAG) Slog.d(TAG, "Drag ended; tearing down state");
+ // tell all the windows that the drag has ended
+ synchronized (mWindowMap) {
+ mDragState.endDragLw();
+ }
+ }
+
+ handled = true;
+ }
+ } catch (Exception e) {
+ Slog.e(TAG, "Exception caught by drag handleMotion", e);
+ } finally {
+ finishInputEvent(event, handled);
+ }
+ }
+ }
+
+ /**
+ * Whether the UI is currently running in touch mode (not showing
+ * navigational focus because the user is directly pressing the screen).
+ */
+ boolean mInTouchMode = true;
+
+ private ViewServer mViewServer;
+ private final ArrayList<WindowChangeListener> mWindowChangeListeners =
+ new ArrayList<WindowChangeListener>();
+ private boolean mWindowsChanged = false;
+
+ public interface WindowChangeListener {
+ public void windowsChanged();
+ public void focusChanged();
+ }
+
+ final Configuration mTempConfiguration = new Configuration();
+
+ // The desired scaling factor for compatible apps.
+ float mCompatibleScreenScale;
+
+ // If true, only the core apps and services are being launched because the device
+ // is in a special boot mode, such as being encrypted or waiting for a decryption password.
+ // For example, when this flag is true, there will be no wallpaper service.
+ final boolean mOnlyCore;
+
+ public static WindowManagerService main(final Context context,
+ final InputManagerService im,
+ final boolean haveInputMethods, final boolean showBootMsgs,
+ final boolean onlyCore) {
+ final WindowManagerService[] holder = new WindowManagerService[1];
+ DisplayThread.getHandler().runWithScissors(new Runnable() {
+ @Override
+ public void run() {
+ holder[0] = new WindowManagerService(context, im,
+ haveInputMethods, showBootMsgs, onlyCore);
+ }
+ }, 0);
+ return holder[0];
+ }
+
+ private void initPolicy() {
+ UiThread.getHandler().runWithScissors(new Runnable() {
+ @Override
+ public void run() {
+ WindowManagerPolicyThread.set(Thread.currentThread(), Looper.myLooper());
+
+ mPolicy.init(mContext, WindowManagerService.this, WindowManagerService.this);
+ mAnimator.mAboveUniverseLayer = mPolicy.getAboveUniverseLayer()
+ * TYPE_LAYER_MULTIPLIER
+ + TYPE_LAYER_OFFSET;
+ }
+ }, 0);
+ }
+
+ private WindowManagerService(Context context, InputManagerService inputManager,
+ boolean haveInputMethods, boolean showBootMsgs, boolean onlyCore) {
+ mContext = context;
+ mHaveInputMethods = haveInputMethods;
+ mAllowBootMessages = showBootMsgs;
+ mOnlyCore = onlyCore;
+ mLimitedAlphaCompositing = context.getResources().getBoolean(
+ com.android.internal.R.bool.config_sf_limitedAlpha);
+ mHasPermanentDpad = context.getResources().getBoolean(
+ com.android.internal.R.bool.config_hasPermanentDpad);
+ mInputManager = inputManager; // Must be before createDisplayContentLocked.
+ mDisplayManagerInternal = LocalServices.getService(DisplayManagerInternal.class);
+ mDisplaySettings = new DisplaySettings(context);
+ mDisplaySettings.readSettingsLocked();
+
+ LocalServices.addService(WindowManagerPolicy.class, mPolicy);
+
+ mPointerEventDispatcher = new PointerEventDispatcher(mInputManager.monitorInput(TAG));
+
+ mFxSession = new SurfaceSession();
+ mDisplayManager = (DisplayManager)context.getSystemService(Context.DISPLAY_SERVICE);
+ Display[] displays = mDisplayManager.getDisplays();
+ for (Display display : displays) {
+ createDisplayContentLocked(display);
+ }
+
+ mKeyguardDisableHandler = new KeyguardDisableHandler(mContext, mPolicy);
+
+ mPowerManager = (PowerManager)context.getSystemService(Context.POWER_SERVICE);
+ mPowerManagerInternal = LocalServices.getService(PowerManagerInternal.class);
+ mPowerManagerInternal.registerLowPowerModeObserver(
+ new PowerManagerInternal.LowPowerModeListener() {
+ @Override
+ public void onLowPowerModeChanged(boolean enabled) {
+ synchronized (mWindowMap) {
+ if (mAnimationsDisabled != enabled) {
+ mAnimationsDisabled = enabled;
+ dispatchNewAnimatorScaleLocked(null);
+ }
+ }
+ }
+ });
+ mAnimationsDisabled = mPowerManagerInternal.getLowPowerModeEnabled();
+ mScreenFrozenLock = mPowerManager.newWakeLock(
+ PowerManager.PARTIAL_WAKE_LOCK, "SCREEN_FROZEN");
+ mScreenFrozenLock.setReferenceCounted(false);
+
+ mAppTransition = new AppTransition(context, mH);
+
+ mActivityManager = ActivityManagerNative.getDefault();
+ mBatteryStats = BatteryStatsService.getService();
+ mAppOps = (AppOpsManager)context.getSystemService(Context.APP_OPS_SERVICE);
+ AppOpsManager.OnOpChangedInternalListener opListener =
+ new AppOpsManager.OnOpChangedInternalListener() {
+ @Override public void onOpChanged(int op, String packageName) {
+ updateAppOpsState();
+ }
+ };
+ mAppOps.startWatchingMode(AppOpsManager.OP_SYSTEM_ALERT_WINDOW, null, opListener);
+ mAppOps.startWatchingMode(AppOpsManager.OP_TOAST_WINDOW, null, opListener);
+
+ // Get persisted window scale setting
+ mWindowAnimationScaleSetting = Settings.Global.getFloat(context.getContentResolver(),
+ Settings.Global.WINDOW_ANIMATION_SCALE, mWindowAnimationScaleSetting);
+ mTransitionAnimationScaleSetting = Settings.Global.getFloat(context.getContentResolver(),
+ Settings.Global.TRANSITION_ANIMATION_SCALE, mTransitionAnimationScaleSetting);
+ setAnimatorDurationScale(Settings.Global.getFloat(context.getContentResolver(),
+ Settings.Global.ANIMATOR_DURATION_SCALE, mAnimatorDurationScaleSetting));
+
+ // Track changes to DevicePolicyManager state so we can enable/disable keyguard.
+ IntentFilter filter = new IntentFilter();
+ filter.addAction(DevicePolicyManager.ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED);
+ mContext.registerReceiver(mBroadcastReceiver, filter);
+
+ mSettingsObserver = new SettingsObserver();
+ updateShowImeWithHardKeyboard();
+
+ mHoldingScreenWakeLock = mPowerManager.newWakeLock(
+ PowerManager.SCREEN_BRIGHT_WAKE_LOCK | PowerManager.ON_AFTER_RELEASE, TAG);
+ mHoldingScreenWakeLock.setReferenceCounted(false);
+
+ mAnimator = new WindowAnimator(this);
+
+ LocalServices.addService(WindowManagerInternal.class, new LocalService());
+ initPolicy();
+
+ // Add ourself to the Watchdog monitors.
+ Watchdog.getInstance().addMonitor(this);
+
+ SurfaceControl.openTransaction();
+ try {
+ createWatermarkInTransaction();
+ mFocusedStackFrame = new FocusedStackFrame(
+ getDefaultDisplayContentLocked().getDisplay(), mFxSession);
+ } finally {
+ SurfaceControl.closeTransaction();
+ }
+
+ showCircularDisplayMaskIfNeeded();
+ showEmulatorDisplayOverlayIfNeeded();
+ }
+
+ public InputMonitor getInputMonitor() {
+ return mInputMonitor;
+ }
+
+ @Override
+ public boolean onTransact(int code, Parcel data, Parcel reply, int flags)
+ throws RemoteException {
+ try {
+ return super.onTransact(code, data, reply, flags);
+ } catch (RuntimeException e) {
+ // The window manager only throws security exceptions, so let's
+ // log all others.
+ if (!(e instanceof SecurityException)) {
+ Slog.wtf(TAG, "Window Manager Crash", e);
+ }
+ throw e;
+ }
+ }
+
+ private void placeWindowAfter(WindowState pos, WindowState window) {
+ final WindowList windows = pos.getWindowList();
+ final int i = windows.indexOf(pos);
+ if (DEBUG_FOCUS || DEBUG_WINDOW_MOVEMENT || DEBUG_ADD_REMOVE) Slog.v(
+ TAG, "Adding window " + window + " at "
+ + (i+1) + " of " + windows.size() + " (after " + pos + ")");
+ windows.add(i+1, window);
+ mWindowsChanged = true;
+ }
+
+ private void placeWindowBefore(WindowState pos, WindowState window) {
+ final WindowList windows = pos.getWindowList();
+ int i = windows.indexOf(pos);
+ if (DEBUG_FOCUS || DEBUG_WINDOW_MOVEMENT || DEBUG_ADD_REMOVE) Slog.v(
+ TAG, "Adding window " + window + " at "
+ + i + " of " + windows.size() + " (before " + pos + ")");
+ if (i < 0) {
+ Slog.w(TAG, "placeWindowBefore: Unable to find " + pos + " in " + windows);
+ i = 0;
+ }
+ windows.add(i, window);
+ mWindowsChanged = true;
+ }
+
+ //This method finds out the index of a window that has the same app token as
+ //win. used for z ordering the windows in mWindows
+ private int findIdxBasedOnAppTokens(WindowState win) {
+ WindowList windows = win.getWindowList();
+ for(int j = windows.size() - 1; j >= 0; j--) {
+ WindowState wentry = windows.get(j);
+ if(wentry.mAppToken == win.mAppToken) {
+ return j;
+ }
+ }
+ return -1;
+ }
+
+ /**
+ * Return the list of Windows from the passed token on the given Display.
+ * @param token The token with all the windows.
+ * @param displayContent The display we are interested in.
+ * @return List of windows from token that are on displayContent.
+ */
+ WindowList getTokenWindowsOnDisplay(WindowToken token, DisplayContent displayContent) {
+ final WindowList windowList = new WindowList();
+ final int count = token.windows.size();
+ for (int i = 0; i < count; i++) {
+ final WindowState win = token.windows.get(i);
+ if (win.getDisplayContent() == displayContent) {
+ windowList.add(win);
+ }
+ }
+ return windowList;
+ }
+
+ /**
+ * Recursive search through a WindowList and all of its windows' children.
+ * @param targetWin The window to search for.
+ * @param windows The list to search.
+ * @return The index of win in windows or of the window that is an ancestor of win.
+ */
+ private int indexOfWinInWindowList(WindowState targetWin, WindowList windows) {
+ for (int i = windows.size() - 1; i >= 0; i--) {
+ final WindowState w = windows.get(i);
+ if (w == targetWin) {
+ return i;
+ }
+ if (!w.mChildWindows.isEmpty()) {
+ if (indexOfWinInWindowList(targetWin, w.mChildWindows) >= 0) {
+ return i;
+ }
+ }
+ }
+ return -1;
+ }
+
+ private int addAppWindowToListLocked(final WindowState win) {
+ final IWindow client = win.mClient;
+ final WindowToken token = win.mToken;
+ final DisplayContent displayContent = win.getDisplayContent();
+ if (displayContent == null) {
+ // It doesn't matter this display is going away.
+ return 0;
+ }
+
+ final WindowList windows = win.getWindowList();
+ final int N = windows.size();
+ WindowList tokenWindowList = getTokenWindowsOnDisplay(token, displayContent);
+ int tokenWindowsPos = 0;
+ int windowListPos = tokenWindowList.size();
+ if (!tokenWindowList.isEmpty()) {
+ // If this application has existing windows, we
+ // simply place the new window on top of them... but
+ // keep the starting window on top.
+ if (win.mAttrs.type == TYPE_BASE_APPLICATION) {
+ // Base windows go behind everything else.
+ WindowState lowestWindow = tokenWindowList.get(0);
+ placeWindowBefore(lowestWindow, win);
+ tokenWindowsPos = indexOfWinInWindowList(lowestWindow, token.windows);
+ } else {
+ AppWindowToken atoken = win.mAppToken;
+ WindowState lastWindow = tokenWindowList.get(windowListPos - 1);
+ if (atoken != null && lastWindow == atoken.startingWindow) {
+ placeWindowBefore(lastWindow, win);
+ tokenWindowsPos = indexOfWinInWindowList(lastWindow, token.windows);
+ } else {
+ int newIdx = findIdxBasedOnAppTokens(win);
+ //there is a window above this one associated with the same
+ //apptoken note that the window could be a floating window
+ //that was created later or a window at the top of the list of
+ //windows associated with this token.
+ if (DEBUG_FOCUS_LIGHT || DEBUG_WINDOW_MOVEMENT || DEBUG_ADD_REMOVE) Slog.v(TAG,
+ "not Base app: Adding window " + win + " at " + (newIdx + 1) + " of " +
+ N);
+ windows.add(newIdx + 1, win);
+ if (newIdx < 0) {
+ // No window from token found on win's display.
+ tokenWindowsPos = 0;
+ } else {
+ tokenWindowsPos = indexOfWinInWindowList(
+ windows.get(newIdx), token.windows) + 1;
+ }
+ mWindowsChanged = true;
+ }
+ }
+ return tokenWindowsPos;
+ }
+
+ // No windows from this token on this display
+ if (localLOGV) Slog.v(TAG, "Figuring out where to add app window " + client.asBinder()
+ + " (token=" + token + ")");
+ // Figure out where the window should go, based on the
+ // order of applications.
+ WindowState pos = null;
+
+ final ArrayList<Task> tasks = displayContent.getTasks();
+ int taskNdx;
+ int tokenNdx = -1;
+ for (taskNdx = tasks.size() - 1; taskNdx >= 0; --taskNdx) {
+ AppTokenList tokens = tasks.get(taskNdx).mAppTokens;
+ for (tokenNdx = tokens.size() - 1; tokenNdx >= 0; --tokenNdx) {
+ final AppWindowToken t = tokens.get(tokenNdx);
+ if (t == token) {
+ --tokenNdx;
+ if (tokenNdx < 0) {
+ --taskNdx;
+ if (taskNdx >= 0) {
+ tokenNdx = tasks.get(taskNdx).mAppTokens.size() - 1;
+ }
+ }
+ break;
+ }
+
+ // We haven't reached the token yet; if this token
+ // is not going to the bottom and has windows on this display, we can
+ // use it as an anchor for when we do reach the token.
+ tokenWindowList = getTokenWindowsOnDisplay(t, displayContent);
+ if (!t.sendingToBottom && tokenWindowList.size() > 0) {
+ pos = tokenWindowList.get(0);
+ }
+ }
+ if (tokenNdx >= 0) {
+ // early exit
+ break;
+ }
+ }
+
+ // We now know the index into the apps. If we found
+ // an app window above, that gives us the position; else
+ // we need to look some more.
+ if (pos != null) {
+ // Move behind any windows attached to this one.
+ WindowToken atoken = mTokenMap.get(pos.mClient.asBinder());
+ if (atoken != null) {
+ tokenWindowList =
+ getTokenWindowsOnDisplay(atoken, displayContent);
+ final int NC = tokenWindowList.size();
+ if (NC > 0) {
+ WindowState bottom = tokenWindowList.get(0);
+ if (bottom.mSubLayer < 0) {
+ pos = bottom;
+ }
+ }
+ }
+ placeWindowBefore(pos, win);
+ return tokenWindowsPos;
+ }
+
+ // Continue looking down until we find the first
+ // token that has windows on this display.
+ for ( ; taskNdx >= 0; --taskNdx) {
+ AppTokenList tokens = tasks.get(taskNdx).mAppTokens;
+ for ( ; tokenNdx >= 0; --tokenNdx) {
+ final AppWindowToken t = tokens.get(tokenNdx);
+ tokenWindowList = getTokenWindowsOnDisplay(t, displayContent);
+ final int NW = tokenWindowList.size();
+ if (NW > 0) {
+ pos = tokenWindowList.get(NW-1);
+ break;
+ }
+ }
+ if (tokenNdx >= 0) {
+ // found
+ break;
+ }
+ }
+
+ if (pos != null) {
+ // Move in front of any windows attached to this
+ // one.
+ WindowToken atoken = mTokenMap.get(pos.mClient.asBinder());
+ if (atoken != null) {
+ final int NC = atoken.windows.size();
+ if (NC > 0) {
+ WindowState top = atoken.windows.get(NC-1);
+ if (top.mSubLayer >= 0) {
+ pos = top;
+ }
+ }
+ }
+ placeWindowAfter(pos, win);
+ return tokenWindowsPos;
+ }
+
+ // Just search for the start of this layer.
+ final int myLayer = win.mBaseLayer;
+ int i;
+ for (i = 0; i < N; i++) {
+ WindowState w = windows.get(i);
+ if (w.mBaseLayer > myLayer) {
+ break;
+ }
+ }
+ if (DEBUG_FOCUS_LIGHT || DEBUG_WINDOW_MOVEMENT || DEBUG_ADD_REMOVE) Slog.v(TAG,
+ "Based on layer: Adding window " + win + " at " + i + " of " + N);
+ windows.add(i, win);
+ mWindowsChanged = true;
+ return tokenWindowsPos;
+ }
+
+ private void addFreeWindowToListLocked(final WindowState win) {
+ final WindowList windows = win.getWindowList();
+
+ // Figure out where window should go, based on layer.
+ final int myLayer = win.mBaseLayer;
+ int i;
+ for (i = windows.size() - 1; i >= 0; i--) {
+ if (windows.get(i).mBaseLayer <= myLayer) {
+ break;
+ }
+ }
+ i++;
+ if (DEBUG_FOCUS_LIGHT || DEBUG_WINDOW_MOVEMENT || DEBUG_ADD_REMOVE) Slog.v(TAG,
+ "Free window: Adding window " + win + " at " + i + " of " + windows.size());
+ windows.add(i, win);
+ mWindowsChanged = true;
+ }
+
+ private void addAttachedWindowToListLocked(final WindowState win, boolean addToToken) {
+ final WindowToken token = win.mToken;
+ final DisplayContent displayContent = win.getDisplayContent();
+ if (displayContent == null) {
+ return;
+ }
+ final WindowState attached = win.mAttachedWindow;
+
+ WindowList tokenWindowList = getTokenWindowsOnDisplay(token, displayContent);
+
+ // Figure out this window's ordering relative to the window
+ // it is attached to.
+ final int NA = tokenWindowList.size();
+ final int sublayer = win.mSubLayer;
+ int largestSublayer = Integer.MIN_VALUE;
+ WindowState windowWithLargestSublayer = null;
+ int i;
+ for (i = 0; i < NA; i++) {
+ WindowState w = tokenWindowList.get(i);
+ final int wSublayer = w.mSubLayer;
+ if (wSublayer >= largestSublayer) {
+ largestSublayer = wSublayer;
+ windowWithLargestSublayer = w;
+ }
+ if (sublayer < 0) {
+ // For negative sublayers, we go below all windows
+ // in the same sublayer.
+ if (wSublayer >= sublayer) {
+ if (addToToken) {
+ if (DEBUG_ADD_REMOVE) Slog.v(TAG, "Adding " + win + " to " + token);
+ token.windows.add(i, win);
+ }
+ placeWindowBefore(wSublayer >= 0 ? attached : w, win);
+ break;
+ }
+ } else {
+ // For positive sublayers, we go above all windows
+ // in the same sublayer.
+ if (wSublayer > sublayer) {
+ if (addToToken) {
+ if (DEBUG_ADD_REMOVE) Slog.v(TAG, "Adding " + win + " to " + token);
+ token.windows.add(i, win);
+ }
+ placeWindowBefore(w, win);
+ break;
+ }
+ }
+ }
+ if (i >= NA) {
+ if (addToToken) {
+ if (DEBUG_ADD_REMOVE) Slog.v(TAG, "Adding " + win + " to " + token);
+ token.windows.add(win);
+ }
+ if (sublayer < 0) {
+ placeWindowBefore(attached, win);
+ } else {
+ placeWindowAfter(largestSublayer >= 0
+ ? windowWithLargestSublayer
+ : attached,
+ win);
+ }
+ }
+ }
+
+ private void addWindowToListInOrderLocked(final WindowState win, boolean addToToken) {
+ if (DEBUG_FOCUS_LIGHT) Slog.d(TAG, "addWindowToListInOrderLocked: win=" + win +
+ " Callers=" + Debug.getCallers(4));
+ if (win.mAttachedWindow == null) {
+ final WindowToken token = win.mToken;
+ int tokenWindowsPos = 0;
+ if (token.appWindowToken != null) {
+ tokenWindowsPos = addAppWindowToListLocked(win);
+ } else {
+ addFreeWindowToListLocked(win);
+ }
+ if (addToToken) {
+ if (DEBUG_ADD_REMOVE) Slog.v(TAG, "Adding " + win + " to " + token);
+ token.windows.add(tokenWindowsPos, win);
+ }
+ } else {
+ addAttachedWindowToListLocked(win, addToToken);
+ }
+
+ if (win.mAppToken != null && addToToken) {
+ win.mAppToken.allAppWindows.add(win);
+ }
+ }
+
+ static boolean canBeImeTarget(WindowState w) {
+ final int fl = w.mAttrs.flags
+ & (FLAG_NOT_FOCUSABLE|FLAG_ALT_FOCUSABLE_IM);
+ if (fl == 0 || fl == (FLAG_NOT_FOCUSABLE|FLAG_ALT_FOCUSABLE_IM)
+ || w.mAttrs.type == TYPE_APPLICATION_STARTING) {
+ if (DEBUG_INPUT_METHOD) {
+ Slog.i(TAG, "isVisibleOrAdding " + w + ": " + w.isVisibleOrAdding());
+ if (!w.isVisibleOrAdding()) {
+ Slog.i(TAG, " mSurface=" + w.mWinAnimator.mSurfaceControl
+ + " relayoutCalled=" + w.mRelayoutCalled + " viewVis=" + w.mViewVisibility
+ + " policyVis=" + w.mPolicyVisibility
+ + " policyVisAfterAnim=" + w.mPolicyVisibilityAfterAnim
+ + " attachHid=" + w.mAttachedHidden
+ + " exiting=" + w.mExiting + " destroying=" + w.mDestroying);
+ if (w.mAppToken != null) {
+ Slog.i(TAG, " mAppToken.hiddenRequested=" + w.mAppToken.hiddenRequested);
+ }
+ }
+ }
+ return w.isVisibleOrAdding();
+ }
+ return false;
+ }
+
+ /**
+ * Dig through the WindowStates and find the one that the Input Method will target.
+ * @param willMove
+ * @return The index+1 in mWindows of the discovered target.
+ */
+ int findDesiredInputMethodWindowIndexLocked(boolean willMove) {
+ // TODO(multidisplay): Needs some serious rethought when the target and IME are not on the
+ // same display. Or even when the current IME/target are not on the same screen as the next
+ // IME/target. For now only look for input windows on the main screen.
+ WindowList windows = getDefaultWindowListLocked();
+ WindowState w = null;
+ int i;
+ for (i = windows.size() - 1; i >= 0; --i) {
+ WindowState win = windows.get(i);
+
+ if (DEBUG_INPUT_METHOD && willMove) Slog.i(TAG, "Checking window @" + i
+ + " " + win + " fl=0x" + Integer.toHexString(win.mAttrs.flags));
+ if (canBeImeTarget(win)) {
+ w = win;
+ //Slog.i(TAG, "Putting input method here!");
+
+ // Yet more tricksyness! If this window is a "starting"
+ // window, we do actually want to be on top of it, but
+ // it is not -really- where input will go. So if the caller
+ // is not actually looking to move the IME, look down below
+ // for a real window to target...
+ if (!willMove
+ && w.mAttrs.type == TYPE_APPLICATION_STARTING
+ && i > 0) {
+ WindowState wb = windows.get(i-1);
+ if (wb.mAppToken == w.mAppToken && canBeImeTarget(wb)) {
+ i--;
+ w = wb;
+ }
+ }
+ break;
+ }
+ }
+
+ // Now w is either mWindows[0] or an IME (or null if mWindows is empty).
+
+ if (DEBUG_INPUT_METHOD && willMove) Slog.v(TAG, "Proposed new IME target: " + w);
+
+ // Now, a special case -- if the last target's window is in the
+ // process of exiting, and is above the new target, keep on the
+ // last target to avoid flicker. Consider for example a Dialog with
+ // the IME shown: when the Dialog is dismissed, we want to keep
+ // the IME above it until it is completely gone so it doesn't drop
+ // behind the dialog or its full-screen scrim.
+ final WindowState curTarget = mInputMethodTarget;
+ if (curTarget != null
+ && curTarget.isDisplayedLw()
+ && curTarget.isClosing()
+ && (w == null || curTarget.mWinAnimator.mAnimLayer > w.mWinAnimator.mAnimLayer)) {
+ if (DEBUG_INPUT_METHOD) Slog.v(TAG, "Current target higher, not changing");
+ return windows.indexOf(curTarget) + 1;
+ }
+
+ if (DEBUG_INPUT_METHOD) Slog.v(TAG, "Desired input method target="
+ + w + " willMove=" + willMove);
+
+ if (willMove && w != null) {
+ AppWindowToken token = curTarget == null ? null : curTarget.mAppToken;
+ if (token != null) {
+
+ // Now some fun for dealing with window animations that
+ // modify the Z order. We need to look at all windows below
+ // the current target that are in this app, finding the highest
+ // visible one in layering.
+ WindowState highestTarget = null;
+ int highestPos = 0;
+ if (token.mAppAnimator.animating || token.mAppAnimator.animation != null) {
+ WindowList curWindows = curTarget.getWindowList();
+ int pos = curWindows.indexOf(curTarget);
+ while (pos >= 0) {
+ WindowState win = curWindows.get(pos);
+ if (win.mAppToken != token) {
+ break;
+ }
+ if (!win.mRemoved) {
+ if (highestTarget == null || win.mWinAnimator.mAnimLayer >
+ highestTarget.mWinAnimator.mAnimLayer) {
+ highestTarget = win;
+ highestPos = pos;
+ }
+ }
+ pos--;
+ }
+ }
+
+ if (highestTarget != null) {
+ if (DEBUG_INPUT_METHOD) Slog.v(TAG, mAppTransition + " " + highestTarget
+ + " animating=" + highestTarget.mWinAnimator.isAnimating()
+ + " layer=" + highestTarget.mWinAnimator.mAnimLayer
+ + " new layer=" + w.mWinAnimator.mAnimLayer);
+
+ if (mAppTransition.isTransitionSet()) {
+ // If we are currently setting up for an animation,
+ // hold everything until we can find out what will happen.
+ mInputMethodTargetWaitingAnim = true;
+ mInputMethodTarget = highestTarget;
+ return highestPos + 1;
+ } else if (highestTarget.mWinAnimator.isAnimating() &&
+ highestTarget.mWinAnimator.mAnimLayer > w.mWinAnimator.mAnimLayer) {
+ // If the window we are currently targeting is involved
+ // with an animation, and it is on top of the next target
+ // we will be over, then hold off on moving until
+ // that is done.
+ mInputMethodTargetWaitingAnim = true;
+ mInputMethodTarget = highestTarget;
+ return highestPos + 1;
+ }
+ }
+ }
+ }
+
+ //Slog.i(TAG, "Placing input method @" + (i+1));
+ if (w != null) {
+ if (willMove) {
+ if (DEBUG_INPUT_METHOD) Slog.w(TAG, "Moving IM target from " + curTarget + " to "
+ + w + (HIDE_STACK_CRAWLS ? "" : " Callers=" + Debug.getCallers(4)));
+ mInputMethodTarget = w;
+ mInputMethodTargetWaitingAnim = false;
+ if (w.mAppToken != null) {
+ setInputMethodAnimLayerAdjustment(w.mAppToken.mAppAnimator.animLayerAdjustment);
+ } else {
+ setInputMethodAnimLayerAdjustment(0);
+ }
+ }
+ return i+1;
+ }
+ if (willMove) {
+ if (DEBUG_INPUT_METHOD) Slog.w(TAG, "Moving IM target from " + curTarget + " to null."
+ + (HIDE_STACK_CRAWLS ? "" : " Callers=" + Debug.getCallers(4)));
+ mInputMethodTarget = null;
+ setInputMethodAnimLayerAdjustment(0);
+ }
+ return -1;
+ }
+
+ void addInputMethodWindowToListLocked(WindowState win) {
+ int pos = findDesiredInputMethodWindowIndexLocked(true);
+ if (pos >= 0) {
+ win.mTargetAppToken = mInputMethodTarget.mAppToken;
+ if (DEBUG_WINDOW_MOVEMENT || DEBUG_ADD_REMOVE) Slog.v(
+ TAG, "Adding input method window " + win + " at " + pos);
+ // TODO(multidisplay): IMEs are only supported on the default display.
+ getDefaultWindowListLocked().add(pos, win);
+ mWindowsChanged = true;
+ moveInputMethodDialogsLocked(pos+1);
+ return;
+ }
+ win.mTargetAppToken = null;
+ addWindowToListInOrderLocked(win, true);
+ moveInputMethodDialogsLocked(pos);
+ }
+
+ void setInputMethodAnimLayerAdjustment(int adj) {
+ if (DEBUG_LAYERS) Slog.v(TAG, "Setting im layer adj to " + adj);
+ mInputMethodAnimLayerAdjustment = adj;
+ WindowState imw = mInputMethodWindow;
+ if (imw != null) {
+ imw.mWinAnimator.mAnimLayer = imw.mLayer + adj;
+ if (DEBUG_LAYERS) Slog.v(TAG, "IM win " + imw
+ + " anim layer: " + imw.mWinAnimator.mAnimLayer);
+ int wi = imw.mChildWindows.size();
+ while (wi > 0) {
+ wi--;
+ WindowState cw = imw.mChildWindows.get(wi);
+ cw.mWinAnimator.mAnimLayer = cw.mLayer + adj;
+ if (DEBUG_LAYERS) Slog.v(TAG, "IM win " + cw
+ + " anim layer: " + cw.mWinAnimator.mAnimLayer);
+ }
+ }
+ int di = mInputMethodDialogs.size();
+ while (di > 0) {
+ di --;
+ imw = mInputMethodDialogs.get(di);
+ imw.mWinAnimator.mAnimLayer = imw.mLayer + adj;
+ if (DEBUG_LAYERS) Slog.v(TAG, "IM win " + imw
+ + " anim layer: " + imw.mWinAnimator.mAnimLayer);
+ }
+ }
+
+ private int tmpRemoveWindowLocked(int interestingPos, WindowState win) {
+ WindowList windows = win.getWindowList();
+ int wpos = windows.indexOf(win);
+ if (wpos >= 0) {
+ if (wpos < interestingPos) interestingPos--;
+ if (DEBUG_WINDOW_MOVEMENT) Slog.v(TAG, "Temp removing at " + wpos + ": " + win);
+ windows.remove(wpos);
+ mWindowsChanged = true;
+ int NC = win.mChildWindows.size();
+ while (NC > 0) {
+ NC--;
+ WindowState cw = win.mChildWindows.get(NC);
+ int cpos = windows.indexOf(cw);
+ if (cpos >= 0) {
+ if (cpos < interestingPos) interestingPos--;
+ if (DEBUG_WINDOW_MOVEMENT) Slog.v(TAG, "Temp removing child at "
+ + cpos + ": " + cw);
+ windows.remove(cpos);
+ }
+ }
+ }
+ return interestingPos;
+ }
+
+ private void reAddWindowToListInOrderLocked(WindowState win) {
+ addWindowToListInOrderLocked(win, false);
+ // This is a hack to get all of the child windows added as well
+ // at the right position. Child windows should be rare and
+ // this case should be rare, so it shouldn't be that big a deal.
+ WindowList windows = win.getWindowList();
+ int wpos = windows.indexOf(win);
+ if (wpos >= 0) {
+ if (DEBUG_WINDOW_MOVEMENT) Slog.v(TAG, "ReAdd removing from " + wpos + ": " + win);
+ windows.remove(wpos);
+ mWindowsChanged = true;
+ reAddWindowLocked(wpos, win);
+ }
+ }
+
+ void logWindowList(final WindowList windows, String prefix) {
+ int N = windows.size();
+ while (N > 0) {
+ N--;
+ Slog.v(TAG, prefix + "#" + N + ": " + windows.get(N));
+ }
+ }
+
+ void moveInputMethodDialogsLocked(int pos) {
+ ArrayList<WindowState> dialogs = mInputMethodDialogs;
+
+ // TODO(multidisplay): IMEs are only supported on the default display.
+ WindowList windows = getDefaultWindowListLocked();
+ final int N = dialogs.size();
+ if (DEBUG_INPUT_METHOD) Slog.v(TAG, "Removing " + N + " dialogs w/pos=" + pos);
+ for (int i=0; i<N; i++) {
+ pos = tmpRemoveWindowLocked(pos, dialogs.get(i));
+ }
+ if (DEBUG_INPUT_METHOD) {
+ Slog.v(TAG, "Window list w/pos=" + pos);
+ logWindowList(windows, " ");
+ }
+
+ if (pos >= 0) {
+ final AppWindowToken targetAppToken = mInputMethodTarget.mAppToken;
+ // Skip windows owned by the input method.
+ if (mInputMethodWindow != null) {
+ while (pos < windows.size()) {
+ WindowState wp = windows.get(pos);
+ if (wp == mInputMethodWindow || wp.mAttachedWindow == mInputMethodWindow) {
+ pos++;
+ continue;
+ }
+ break;
+ }
+ }
+ if (DEBUG_INPUT_METHOD) Slog.v(TAG, "Adding " + N + " dialogs at pos=" + pos);
+ for (int i=0; i<N; i++) {
+ WindowState win = dialogs.get(i);
+ win.mTargetAppToken = targetAppToken;
+ pos = reAddWindowLocked(pos, win);
+ }
+ if (DEBUG_INPUT_METHOD) {
+ Slog.v(TAG, "Final window list:");
+ logWindowList(windows, " ");
+ }
+ return;
+ }
+ for (int i=0; i<N; i++) {
+ WindowState win = dialogs.get(i);
+ win.mTargetAppToken = null;
+ reAddWindowToListInOrderLocked(win);
+ if (DEBUG_INPUT_METHOD) {
+ Slog.v(TAG, "No IM target, final list:");
+ logWindowList(windows, " ");
+ }
+ }
+ }
+
+ boolean moveInputMethodWindowsIfNeededLocked(boolean needAssignLayers) {
+ final WindowState imWin = mInputMethodWindow;
+ final int DN = mInputMethodDialogs.size();
+ if (imWin == null && DN == 0) {
+ return false;
+ }
+
+ // TODO(multidisplay): IMEs are only supported on the default display.
+ WindowList windows = getDefaultWindowListLocked();
+
+ int imPos = findDesiredInputMethodWindowIndexLocked(true);
+ if (imPos >= 0) {
+ // In this case, the input method windows are to be placed
+ // immediately above the window they are targeting.
+
+ // First check to see if the input method windows are already
+ // located here, and contiguous.
+ final int N = windows.size();
+ WindowState firstImWin = imPos < N
+ ? windows.get(imPos) : null;
+
+ // Figure out the actual input method window that should be
+ // at the bottom of their stack.
+ WindowState baseImWin = imWin != null
+ ? imWin : mInputMethodDialogs.get(0);
+ if (baseImWin.mChildWindows.size() > 0) {
+ WindowState cw = baseImWin.mChildWindows.get(0);
+ if (cw.mSubLayer < 0) baseImWin = cw;
+ }
+
+ if (firstImWin == baseImWin) {
+ // The windows haven't moved... but are they still contiguous?
+ // First find the top IM window.
+ int pos = imPos+1;
+ while (pos < N) {
+ if (!(windows.get(pos)).mIsImWindow) {
+ break;
+ }
+ pos++;
+ }
+ pos++;
+ // Now there should be no more input method windows above.
+ while (pos < N) {
+ if ((windows.get(pos)).mIsImWindow) {
+ break;
+ }
+ pos++;
+ }
+ if (pos >= N) {
+ // Z order is good.
+ // The IM target window may be changed, so update the mTargetAppToken.
+ if (imWin != null) {
+ imWin.mTargetAppToken = mInputMethodTarget.mAppToken;
+ }
+ return false;
+ }
+ }
+
+ if (imWin != null) {
+ if (DEBUG_INPUT_METHOD) {
+ Slog.v(TAG, "Moving IM from " + imPos);
+ logWindowList(windows, " ");
+ }
+ imPos = tmpRemoveWindowLocked(imPos, imWin);
+ if (DEBUG_INPUT_METHOD) {
+ Slog.v(TAG, "List after removing with new pos " + imPos + ":");
+ logWindowList(windows, " ");
+ }
+ imWin.mTargetAppToken = mInputMethodTarget.mAppToken;
+ reAddWindowLocked(imPos, imWin);
+ if (DEBUG_INPUT_METHOD) {
+ Slog.v(TAG, "List after moving IM to " + imPos + ":");
+ logWindowList(windows, " ");
+ }
+ if (DN > 0) moveInputMethodDialogsLocked(imPos+1);
+ } else {
+ moveInputMethodDialogsLocked(imPos);
+ }
+
+ } else {
+ // In this case, the input method windows go in a fixed layer,
+ // because they aren't currently associated with a focus window.
+
+ if (imWin != null) {
+ if (DEBUG_INPUT_METHOD) Slog.v(TAG, "Moving IM from " + imPos);
+ tmpRemoveWindowLocked(0, imWin);
+ imWin.mTargetAppToken = null;
+ reAddWindowToListInOrderLocked(imWin);
+ if (DEBUG_INPUT_METHOD) {
+ Slog.v(TAG, "List with no IM target:");
+ logWindowList(windows, " ");
+ }
+ if (DN > 0) moveInputMethodDialogsLocked(-1);
+ } else {
+ moveInputMethodDialogsLocked(-1);
+ }
+
+ }
+
+ if (needAssignLayers) {
+ assignLayersLocked(windows);
+ }
+
+ return true;
+ }
+
+ final boolean isWallpaperVisible(WindowState wallpaperTarget) {
+ if (DEBUG_WALLPAPER) Slog.v(TAG, "Wallpaper vis: target " + wallpaperTarget + ", obscured="
+ + (wallpaperTarget != null ? Boolean.toString(wallpaperTarget.mObscured) : "??")
+ + " anim=" + ((wallpaperTarget != null && wallpaperTarget.mAppToken != null)
+ ? wallpaperTarget.mAppToken.mAppAnimator.animation : null)
+ + " upper=" + mUpperWallpaperTarget
+ + " lower=" + mLowerWallpaperTarget);
+ return (wallpaperTarget != null
+ && (!wallpaperTarget.mObscured || (wallpaperTarget.mAppToken != null
+ && wallpaperTarget.mAppToken.mAppAnimator.animation != null)))
+ || mUpperWallpaperTarget != null
+ || mLowerWallpaperTarget != null;
+ }
+
+ static final int ADJUST_WALLPAPER_LAYERS_CHANGED = 1<<1;
+ static final int ADJUST_WALLPAPER_VISIBILITY_CHANGED = 1<<2;
+
+ int adjustWallpaperWindowsLocked() {
+ mInnerFields.mWallpaperMayChange = false;
+ boolean targetChanged = false;
+
+ // TODO(multidisplay): Wallpapers on main screen only.
+ final DisplayInfo displayInfo = getDefaultDisplayContentLocked().getDisplayInfo();
+ final int dw = displayInfo.logicalWidth;
+ final int dh = displayInfo.logicalHeight;
+
+ // First find top-most window that has asked to be on top of the
+ // wallpaper; all wallpapers go behind it.
+ final WindowList windows = getDefaultWindowListLocked();
+ int N = windows.size();
+ WindowState w = null;
+ WindowState foundW = null;
+ int foundI = 0;
+ WindowState topCurW = null;
+ int topCurI = 0;
+ int windowDetachedI = -1;
+ int i = N;
+ while (i > 0) {
+ i--;
+ w = windows.get(i);
+ if ((w.mAttrs.type == TYPE_WALLPAPER)) {
+ if (topCurW == null) {
+ topCurW = w;
+ topCurI = i;
+ }
+ continue;
+ }
+ topCurW = null;
+ if (w != mAnimator.mWindowDetachedWallpaper && w.mAppToken != null) {
+ // If this window's app token is hidden and not animating,
+ // it is of no interest to us.
+ if (w.mAppToken.hidden && w.mAppToken.mAppAnimator.animation == null) {
+ if (DEBUG_WALLPAPER) Slog.v(TAG,
+ "Skipping hidden and not animating token: " + w);
+ continue;
+ }
+ }
+ if (DEBUG_WALLPAPER) Slog.v(TAG, "Win #" + i + " " + w + ": isOnScreen="
+ + w.isOnScreen() + " mDrawState=" + w.mWinAnimator.mDrawState);
+
+ // If the app is executing an animation because the keyguard is going away, keep the
+ // wallpaper during the animation so it doesn't flicker out.
+ final boolean hasWallpaper = (w.mAttrs.flags&FLAG_SHOW_WALLPAPER) != 0
+ || (w.mAppToken != null
+ && w.mWinAnimator.keyguardGoingAwayAnimation);
+ if (hasWallpaper && w.isOnScreen()
+ && (mWallpaperTarget == w || w.isDrawFinishedLw())) {
+ if (DEBUG_WALLPAPER) Slog.v(TAG,
+ "Found wallpaper target: #" + i + "=" + w);
+ foundW = w;
+ foundI = i;
+ if (w == mWallpaperTarget && w.mWinAnimator.isAnimating()) {
+ // The current wallpaper target is animating, so we'll
+ // look behind it for another possible target and figure
+ // out what is going on below.
+ if (DEBUG_WALLPAPER) Slog.v(TAG, "Win " + w
+ + ": token animating, looking behind.");
+ continue;
+ }
+ break;
+ } else if (w == mAnimator.mWindowDetachedWallpaper) {
+ windowDetachedI = i;
+ }
+ }
+
+ if (foundW == null && windowDetachedI >= 0) {
+ if (DEBUG_WALLPAPER_LIGHT) Slog.v(TAG,
+ "Found animating detached wallpaper activity: #" + i + "=" + w);
+ foundW = w;
+ foundI = windowDetachedI;
+ }
+
+ if (mWallpaperTarget != foundW
+ && (mLowerWallpaperTarget == null || mLowerWallpaperTarget != foundW)) {
+ if (DEBUG_WALLPAPER_LIGHT) {
+ Slog.v(TAG, "New wallpaper target: " + foundW
+ + " oldTarget: " + mWallpaperTarget);
+ }
+
+ mLowerWallpaperTarget = null;
+ mUpperWallpaperTarget = null;
+
+ WindowState oldW = mWallpaperTarget;
+ mWallpaperTarget = foundW;
+ targetChanged = true;
+
+ // Now what is happening... if the current and new targets are
+ // animating, then we are in our super special mode!
+ if (foundW != null && oldW != null) {
+ boolean oldAnim = oldW.isAnimatingLw();
+ boolean foundAnim = foundW.isAnimatingLw();
+ if (DEBUG_WALLPAPER_LIGHT) {
+ Slog.v(TAG, "New animation: " + foundAnim
+ + " old animation: " + oldAnim);
+ }
+ if (foundAnim && oldAnim) {
+ int oldI = windows.indexOf(oldW);
+ if (DEBUG_WALLPAPER_LIGHT) {
+ Slog.v(TAG, "New i: " + foundI + " old i: " + oldI);
+ }
+ if (oldI >= 0) {
+ if (DEBUG_WALLPAPER_LIGHT) {
+ Slog.v(TAG, "Animating wallpapers: old#" + oldI
+ + "=" + oldW + "; new#" + foundI
+ + "=" + foundW);
+ }
+
+ // Set the new target correctly.
+ if (foundW.mAppToken != null && foundW.mAppToken.hiddenRequested) {
+ if (DEBUG_WALLPAPER_LIGHT) {
+ Slog.v(TAG, "Old wallpaper still the target.");
+ }
+ mWallpaperTarget = oldW;
+ foundW = oldW;
+ foundI = oldI;
+ }
+ // Now set the upper and lower wallpaper targets
+ // correctly, and make sure that we are positioning
+ // the wallpaper below the lower.
+ else if (foundI > oldI) {
+ // The new target is on top of the old one.
+ if (DEBUG_WALLPAPER_LIGHT) {
+ Slog.v(TAG, "Found target above old target.");
+ }
+ mUpperWallpaperTarget = foundW;
+ mLowerWallpaperTarget = oldW;
+ foundW = oldW;
+ foundI = oldI;
+ } else {
+ // The new target is below the old one.
+ if (DEBUG_WALLPAPER_LIGHT) {
+ Slog.v(TAG, "Found target below old target.");
+ }
+ mUpperWallpaperTarget = oldW;
+ mLowerWallpaperTarget = foundW;
+ }
+ }
+ }
+ }
+
+ } else if (mLowerWallpaperTarget != null) {
+ // Is it time to stop animating?
+ if (!mLowerWallpaperTarget.isAnimatingLw() || !mUpperWallpaperTarget.isAnimatingLw()) {
+ if (DEBUG_WALLPAPER_LIGHT) {
+ Slog.v(TAG, "No longer animating wallpaper targets!");
+ }
+ mLowerWallpaperTarget = null;
+ mUpperWallpaperTarget = null;
+ mWallpaperTarget = foundW;
+ targetChanged = true;
+ }
+ }
+
+ boolean visible = foundW != null;
+ if (visible) {
+ // The window is visible to the compositor... but is it visible
+ // to the user? That is what the wallpaper cares about.
+ visible = isWallpaperVisible(foundW);
+ if (DEBUG_WALLPAPER) Slog.v(TAG, "Wallpaper visibility: " + visible);
+
+ // If the wallpaper target is animating, we may need to copy
+ // its layer adjustment. Only do this if we are not transfering
+ // between two wallpaper targets.
+ mWallpaperAnimLayerAdjustment =
+ (mLowerWallpaperTarget == null && foundW.mAppToken != null)
+ ? foundW.mAppToken.mAppAnimator.animLayerAdjustment : 0;
+
+ final int maxLayer = mPolicy.getMaxWallpaperLayer()
+ * TYPE_LAYER_MULTIPLIER
+ + TYPE_LAYER_OFFSET;
+
+ // Now w is the window we are supposed to be behind... but we
+ // need to be sure to also be behind any of its attached windows,
+ // AND any starting window associated with it, AND below the
+ // maximum layer the policy allows for wallpapers.
+ while (foundI > 0) {
+ WindowState wb = windows.get(foundI-1);
+ if (wb.mBaseLayer < maxLayer &&
+ wb.mAttachedWindow != foundW &&
+ (foundW.mAttachedWindow == null ||
+ wb.mAttachedWindow != foundW.mAttachedWindow) &&
+ (wb.mAttrs.type != TYPE_APPLICATION_STARTING ||
+ foundW.mToken == null || wb.mToken != foundW.mToken)) {
+ // This window is not related to the previous one in any
+ // interesting way, so stop here.
+ break;
+ }
+ foundW = wb;
+ foundI--;
+ }
+ } else {
+ if (DEBUG_WALLPAPER) Slog.v(TAG, "No wallpaper target");
+ }
+
+ if (foundW == null && topCurW != null) {
+ // There is no wallpaper target, so it goes at the bottom.
+ // We will assume it is the same place as last time, if known.
+ foundW = topCurW;
+ foundI = topCurI+1;
+ } else {
+ // Okay i is the position immediately above the wallpaper. Look at
+ // what is below it for later.
+ foundW = foundI > 0 ? windows.get(foundI-1) : null;
+ }
+
+ if (visible) {
+ if (mWallpaperTarget.mWallpaperX >= 0) {
+ mLastWallpaperX = mWallpaperTarget.mWallpaperX;
+ mLastWallpaperXStep = mWallpaperTarget.mWallpaperXStep;
+ }
+ if (mWallpaperTarget.mWallpaperY >= 0) {
+ mLastWallpaperY = mWallpaperTarget.mWallpaperY;
+ mLastWallpaperYStep = mWallpaperTarget.mWallpaperYStep;
+ }
+ if (mWallpaperTarget.mWallpaperDisplayOffsetX != Integer.MIN_VALUE) {
+ mLastWallpaperDisplayOffsetX = mWallpaperTarget.mWallpaperDisplayOffsetX;
+ }
+ if (mWallpaperTarget.mWallpaperDisplayOffsetY != Integer.MIN_VALUE) {
+ mLastWallpaperDisplayOffsetY = mWallpaperTarget.mWallpaperDisplayOffsetY;
+ }
+ }
+
+ // Start stepping backwards from here, ensuring that our wallpaper windows
+ // are correctly placed.
+ int changed = 0;
+ int curTokenIndex = mWallpaperTokens.size();
+ while (curTokenIndex > 0) {
+ curTokenIndex--;
+ WindowToken token = mWallpaperTokens.get(curTokenIndex);
+ if (token.hidden == visible) {
+ if (DEBUG_WALLPAPER_LIGHT) Slog.d(TAG,
+ "Wallpaper token " + token + " hidden=" + !visible);
+ changed |= ADJUST_WALLPAPER_VISIBILITY_CHANGED;
+ token.hidden = !visible;
+ // Need to do a layout to ensure the wallpaper now has the
+ // correct size.
+ getDefaultDisplayContentLocked().layoutNeeded = true;
+ }
+
+ int curWallpaperIndex = token.windows.size();
+ while (curWallpaperIndex > 0) {
+ curWallpaperIndex--;
+ WindowState wallpaper = token.windows.get(curWallpaperIndex);
+
+ if (visible) {
+ updateWallpaperOffsetLocked(wallpaper, dw, dh, false);
+ }
+
+ // First, make sure the client has the current visibility
+ // state.
+ dispatchWallpaperVisibility(wallpaper, visible);
+
+ wallpaper.mWinAnimator.mAnimLayer = wallpaper.mLayer + mWallpaperAnimLayerAdjustment;
+ if (DEBUG_LAYERS || DEBUG_WALLPAPER_LIGHT) Slog.v(TAG, "adjustWallpaper win "
+ + wallpaper + " anim layer: " + wallpaper.mWinAnimator.mAnimLayer);
+
+ // First, if this window is at the current index, then all
+ // is well.
+ if (wallpaper == foundW) {
+ foundI--;
+ foundW = foundI > 0
+ ? windows.get(foundI-1) : null;
+ continue;
+ }
+
+ // The window didn't match... the current wallpaper window,
+ // wherever it is, is in the wrong place, so make sure it is
+ // not in the list.
+ int oldIndex = windows.indexOf(wallpaper);
+ if (oldIndex >= 0) {
+ if (DEBUG_WINDOW_MOVEMENT) Slog.v(TAG, "Wallpaper removing at "
+ + oldIndex + ": " + wallpaper);
+ windows.remove(oldIndex);
+ mWindowsChanged = true;
+ if (oldIndex < foundI) {
+ foundI--;
+ }
+ }
+
+ // Now stick it in. For apps over wallpaper keep the wallpaper at the bottommost
+ // layer. For keyguard over wallpaper put the wallpaper under the keyguard.
+ int insertionIndex = 0;
+ if (visible && foundW != null) {
+ final int type = foundW.mAttrs.type;
+ final int privateFlags = foundW.mAttrs.privateFlags;
+ if ((privateFlags & PRIVATE_FLAG_KEYGUARD) != 0
+ || type == TYPE_KEYGUARD_SCRIM) {
+ insertionIndex = windows.indexOf(foundW);
+ }
+ }
+ if (DEBUG_WALLPAPER_LIGHT || DEBUG_WINDOW_MOVEMENT || DEBUG_ADD_REMOVE) {
+ Slog.v(TAG, "Moving wallpaper " + wallpaper
+ + " from " + oldIndex + " to " + insertionIndex);
+ }
+
+ windows.add(insertionIndex, wallpaper);
+ mWindowsChanged = true;
+ changed |= ADJUST_WALLPAPER_LAYERS_CHANGED;
+ }
+ }
+
+ /*
+ final TaskStack targetStack =
+ mWallpaperTarget == null ? null : mWallpaperTarget.getStack();
+ if ((changed & ADJUST_WALLPAPER_LAYERS_CHANGED) != 0 &&
+ targetStack != null && !targetStack.isHomeStack()) {
+ // If the wallpaper target is not on the home stack then make sure that all windows
+ // from other non-home stacks are above the wallpaper.
+ for (i = foundI - 1; i >= 0; --i) {
+ WindowState win = windows.get(i);
+ if (!win.isVisibleLw()) {
+ continue;
+ }
+ final TaskStack winStack = win.getStack();
+ if (winStack != null && !winStack.isHomeStack() && winStack != targetStack) {
+ windows.remove(i);
+ windows.add(foundI + 1, win);
+ }
+ }
+ }
+ */
+
+ if (targetChanged && DEBUG_WALLPAPER_LIGHT) {
+ Slog.d(TAG, "New wallpaper: target=" + mWallpaperTarget
+ + " lower=" + mLowerWallpaperTarget + " upper="
+ + mUpperWallpaperTarget);
+ }
+
+ return changed;
+ }
+
+ void setWallpaperAnimLayerAdjustmentLocked(int adj) {
+ if (DEBUG_LAYERS || DEBUG_WALLPAPER) Slog.v(TAG,
+ "Setting wallpaper layer adj to " + adj);
+ mWallpaperAnimLayerAdjustment = adj;
+ int curTokenIndex = mWallpaperTokens.size();
+ while (curTokenIndex > 0) {
+ curTokenIndex--;
+ WindowToken token = mWallpaperTokens.get(curTokenIndex);
+ int curWallpaperIndex = token.windows.size();
+ while (curWallpaperIndex > 0) {
+ curWallpaperIndex--;
+ WindowState wallpaper = token.windows.get(curWallpaperIndex);
+ wallpaper.mWinAnimator.mAnimLayer = wallpaper.mLayer + adj;
+ if (DEBUG_LAYERS || DEBUG_WALLPAPER) Slog.v(TAG, "setWallpaper win "
+ + wallpaper + " anim layer: " + wallpaper.mWinAnimator.mAnimLayer);
+ }
+ }
+ }
+
+ boolean updateWallpaperOffsetLocked(WindowState wallpaperWin, int dw, int dh,
+ boolean sync) {
+ boolean changed = false;
+ boolean rawChanged = false;
+ float wpx = mLastWallpaperX >= 0 ? mLastWallpaperX : 0.5f;
+ float wpxs = mLastWallpaperXStep >= 0 ? mLastWallpaperXStep : -1.0f;
+ int availw = wallpaperWin.mFrame.right-wallpaperWin.mFrame.left-dw;
+ int offset = availw > 0 ? -(int)(availw*wpx+.5f) : 0;
+ if (mLastWallpaperDisplayOffsetX != Integer.MIN_VALUE) {
+ offset += mLastWallpaperDisplayOffsetX;
+ }
+ changed = wallpaperWin.mXOffset != offset;
+ if (changed) {
+ if (DEBUG_WALLPAPER) Slog.v(TAG, "Update wallpaper "
+ + wallpaperWin + " x: " + offset);
+ wallpaperWin.mXOffset = offset;
+ }
+ if (wallpaperWin.mWallpaperX != wpx || wallpaperWin.mWallpaperXStep != wpxs) {
+ wallpaperWin.mWallpaperX = wpx;
+ wallpaperWin.mWallpaperXStep = wpxs;
+ rawChanged = true;
+ }
+
+ float wpy = mLastWallpaperY >= 0 ? mLastWallpaperY : 0.5f;
+ float wpys = mLastWallpaperYStep >= 0 ? mLastWallpaperYStep : -1.0f;
+ int availh = wallpaperWin.mFrame.bottom-wallpaperWin.mFrame.top-dh;
+ offset = availh > 0 ? -(int)(availh*wpy+.5f) : 0;
+ if (mLastWallpaperDisplayOffsetY != Integer.MIN_VALUE) {
+ offset += mLastWallpaperDisplayOffsetY;
+ }
+ if (wallpaperWin.mYOffset != offset) {
+ if (DEBUG_WALLPAPER) Slog.v(TAG, "Update wallpaper "
+ + wallpaperWin + " y: " + offset);
+ changed = true;
+ wallpaperWin.mYOffset = offset;
+ }
+ if (wallpaperWin.mWallpaperY != wpy || wallpaperWin.mWallpaperYStep != wpys) {
+ wallpaperWin.mWallpaperY = wpy;
+ wallpaperWin.mWallpaperYStep = wpys;
+ rawChanged = true;
+ }
+
+ if (rawChanged && (wallpaperWin.mAttrs.privateFlags &
+ WindowManager.LayoutParams.PRIVATE_FLAG_WANTS_OFFSET_NOTIFICATIONS) != 0) {
+ try {
+ if (DEBUG_WALLPAPER) Slog.v(TAG, "Report new wp offset "
+ + wallpaperWin + " x=" + wallpaperWin.mWallpaperX
+ + " y=" + wallpaperWin.mWallpaperY);
+ if (sync) {
+ mWaitingOnWallpaper = wallpaperWin;
+ }
+ wallpaperWin.mClient.dispatchWallpaperOffsets(
+ wallpaperWin.mWallpaperX, wallpaperWin.mWallpaperY,
+ wallpaperWin.mWallpaperXStep, wallpaperWin.mWallpaperYStep, sync);
+ if (sync) {
+ if (mWaitingOnWallpaper != null) {
+ long start = SystemClock.uptimeMillis();
+ if ((mLastWallpaperTimeoutTime+WALLPAPER_TIMEOUT_RECOVERY)
+ < start) {
+ try {
+ if (DEBUG_WALLPAPER) Slog.v(TAG,
+ "Waiting for offset complete...");
+ mWindowMap.wait(WALLPAPER_TIMEOUT);
+ } catch (InterruptedException e) {
+ }
+ if (DEBUG_WALLPAPER) Slog.v(TAG, "Offset complete!");
+ if ((start+WALLPAPER_TIMEOUT)
+ < SystemClock.uptimeMillis()) {
+ Slog.i(TAG, "Timeout waiting for wallpaper to offset: "
+ + wallpaperWin);
+ mLastWallpaperTimeoutTime = start;
+ }
+ }
+ mWaitingOnWallpaper = null;
+ }
+ }
+ } catch (RemoteException e) {
+ }
+ }
+
+ return changed;
+ }
+
+ void wallpaperOffsetsComplete(IBinder window) {
+ synchronized (mWindowMap) {
+ if (mWaitingOnWallpaper != null &&
+ mWaitingOnWallpaper.mClient.asBinder() == window) {
+ mWaitingOnWallpaper = null;
+ mWindowMap.notifyAll();
+ }
+ }
+ }
+
+ void updateWallpaperOffsetLocked(WindowState changingTarget, boolean sync) {
+ final DisplayContent displayContent = changingTarget.getDisplayContent();
+ if (displayContent == null) {
+ return;
+ }
+ final DisplayInfo displayInfo = displayContent.getDisplayInfo();
+ final int dw = displayInfo.logicalWidth;
+ final int dh = displayInfo.logicalHeight;
+
+ WindowState target = mWallpaperTarget;
+ if (target != null) {
+ if (target.mWallpaperX >= 0) {
+ mLastWallpaperX = target.mWallpaperX;
+ } else if (changingTarget.mWallpaperX >= 0) {
+ mLastWallpaperX = changingTarget.mWallpaperX;
+ }
+ if (target.mWallpaperY >= 0) {
+ mLastWallpaperY = target.mWallpaperY;
+ } else if (changingTarget.mWallpaperY >= 0) {
+ mLastWallpaperY = changingTarget.mWallpaperY;
+ }
+ if (target.mWallpaperDisplayOffsetX != Integer.MIN_VALUE) {
+ mLastWallpaperDisplayOffsetX = target.mWallpaperDisplayOffsetX;
+ } else if (changingTarget.mWallpaperDisplayOffsetX != Integer.MIN_VALUE) {
+ mLastWallpaperDisplayOffsetX = changingTarget.mWallpaperDisplayOffsetX;
+ }
+ if (target.mWallpaperDisplayOffsetY != Integer.MIN_VALUE) {
+ mLastWallpaperDisplayOffsetY = target.mWallpaperDisplayOffsetY;
+ } else if (changingTarget.mWallpaperDisplayOffsetY != Integer.MIN_VALUE) {
+ mLastWallpaperDisplayOffsetY = changingTarget.mWallpaperDisplayOffsetY;
+ }
+ }
+
+ int curTokenIndex = mWallpaperTokens.size();
+ while (curTokenIndex > 0) {
+ curTokenIndex--;
+ WindowToken token = mWallpaperTokens.get(curTokenIndex);
+ int curWallpaperIndex = token.windows.size();
+ while (curWallpaperIndex > 0) {
+ curWallpaperIndex--;
+ WindowState wallpaper = token.windows.get(curWallpaperIndex);
+ if (updateWallpaperOffsetLocked(wallpaper, dw, dh, sync)) {
+ WindowStateAnimator winAnimator = wallpaper.mWinAnimator;
+ winAnimator.computeShownFrameLocked();
+ // No need to lay out the windows - we can just set the wallpaper position
+ // directly.
+ winAnimator.setWallpaperOffset(wallpaper.mShownFrame);
+ // We only want to be synchronous with one wallpaper.
+ sync = false;
+ }
+ }
+ }
+ }
+
+ /**
+ * Check wallpaper for visiblity change and notify window if so.
+ * @param wallpaper The wallpaper to test and notify.
+ * @param visible Current visibility.
+ */
+ void dispatchWallpaperVisibility(final WindowState wallpaper, final boolean visible) {
+ if (wallpaper.mWallpaperVisible != visible) {
+ wallpaper.mWallpaperVisible = visible;
+ try {
+ if (DEBUG_VISIBILITY || DEBUG_WALLPAPER_LIGHT) Slog.v(TAG,
+ "Updating vis of wallpaper " + wallpaper
+ + ": " + visible + " from:\n" + Debug.getCallers(4, " "));
+ wallpaper.mClient.dispatchAppVisibility(visible);
+ } catch (RemoteException e) {
+ }
+ }
+ }
+
+ void updateWallpaperVisibilityLocked() {
+ final boolean visible = isWallpaperVisible(mWallpaperTarget);
+ final DisplayContent displayContent = mWallpaperTarget.getDisplayContent();
+ if (displayContent == null) {
+ return;
+ }
+ final DisplayInfo displayInfo = displayContent.getDisplayInfo();
+ final int dw = displayInfo.logicalWidth;
+ final int dh = displayInfo.logicalHeight;
+
+ int curTokenIndex = mWallpaperTokens.size();
+ while (curTokenIndex > 0) {
+ curTokenIndex--;
+ WindowToken token = mWallpaperTokens.get(curTokenIndex);
+ if (token.hidden == visible) {
+ token.hidden = !visible;
+ // Need to do a layout to ensure the wallpaper now has the
+ // correct size.
+ getDefaultDisplayContentLocked().layoutNeeded = true;
+ }
+
+ int curWallpaperIndex = token.windows.size();
+ while (curWallpaperIndex > 0) {
+ curWallpaperIndex--;
+ WindowState wallpaper = token.windows.get(curWallpaperIndex);
+ if (visible) {
+ updateWallpaperOffsetLocked(wallpaper, dw, dh, false);
+ }
+
+ dispatchWallpaperVisibility(wallpaper, visible);
+ }
+ }
+ }
+
+ public int addWindow(Session session, IWindow client, int seq,
+ WindowManager.LayoutParams attrs, int viewVisibility, int displayId,
+ Rect outContentInsets, InputChannel outInputChannel) {
+ int[] appOp = new int[1];
+ int res = mPolicy.checkAddPermission(attrs, appOp);
+ if (res != WindowManagerGlobal.ADD_OKAY) {
+ return res;
+ }
+
+ boolean reportNewConfig = false;
+ WindowState attachedWindow = null;
+ WindowState win = null;
+ long origId;
+ final int type = attrs.type;
+
+ synchronized(mWindowMap) {
+ if (!mDisplayReady) {
+ throw new IllegalStateException("Display has not been initialialized");
+ }
+
+ final DisplayContent displayContent = getDisplayContentLocked(displayId);
+ if (displayContent == null) {
+ Slog.w(TAG, "Attempted to add window to a display that does not exist: "
+ + displayId + ". Aborting.");
+ return WindowManagerGlobal.ADD_INVALID_DISPLAY;
+ }
+ if (!displayContent.hasAccess(session.mUid)) {
+ Slog.w(TAG, "Attempted to add window to a display for which the application "
+ + "does not have access: " + displayId + ". Aborting.");
+ return WindowManagerGlobal.ADD_INVALID_DISPLAY;
+ }
+
+ if (mWindowMap.containsKey(client.asBinder())) {
+ Slog.w(TAG, "Window " + client + " is already added");
+ return WindowManagerGlobal.ADD_DUPLICATE_ADD;
+ }
+
+ if (type >= FIRST_SUB_WINDOW && type <= LAST_SUB_WINDOW) {
+ attachedWindow = windowForClientLocked(null, attrs.token, false);
+ if (attachedWindow == null) {
+ Slog.w(TAG, "Attempted to add window with token that is not a window: "
+ + attrs.token + ". Aborting.");
+ return WindowManagerGlobal.ADD_BAD_SUBWINDOW_TOKEN;
+ }
+ if (attachedWindow.mAttrs.type >= FIRST_SUB_WINDOW
+ && attachedWindow.mAttrs.type <= LAST_SUB_WINDOW) {
+ Slog.w(TAG, "Attempted to add window with token that is a sub-window: "
+ + attrs.token + ". Aborting.");
+ return WindowManagerGlobal.ADD_BAD_SUBWINDOW_TOKEN;
+ }
+ }
+
+ if (type == TYPE_PRIVATE_PRESENTATION && !displayContent.isPrivate()) {
+ Slog.w(TAG, "Attempted to add private presentation window to a non-private display. Aborting.");
+ return WindowManagerGlobal.ADD_PERMISSION_DENIED;
+ }
+
+ boolean addToken = false;
+ WindowToken token = mTokenMap.get(attrs.token);
+ if (token == null) {
+ if (type >= FIRST_APPLICATION_WINDOW && type <= LAST_APPLICATION_WINDOW) {
+ Slog.w(TAG, "Attempted to add application window with unknown token "
+ + attrs.token + ". Aborting.");
+ return WindowManagerGlobal.ADD_BAD_APP_TOKEN;
+ }
+ if (type == TYPE_INPUT_METHOD) {
+ Slog.w(TAG, "Attempted to add input method window with unknown token "
+ + attrs.token + ". Aborting.");
+ return WindowManagerGlobal.ADD_BAD_APP_TOKEN;
+ }
+ if (type == TYPE_VOICE_INTERACTION) {
+ Slog.w(TAG, "Attempted to add voice interaction window with unknown token "
+ + attrs.token + ". Aborting.");
+ return WindowManagerGlobal.ADD_BAD_APP_TOKEN;
+ }
+ if (type == TYPE_WALLPAPER) {
+ Slog.w(TAG, "Attempted to add wallpaper window with unknown token "
+ + attrs.token + ". Aborting.");
+ return WindowManagerGlobal.ADD_BAD_APP_TOKEN;
+ }
+ if (type == TYPE_DREAM) {
+ Slog.w(TAG, "Attempted to add Dream window with unknown token "
+ + attrs.token + ". Aborting.");
+ return WindowManagerGlobal.ADD_BAD_APP_TOKEN;
+ }
+ token = new WindowToken(this, attrs.token, -1, false);
+ addToken = true;
+ } else if (type >= FIRST_APPLICATION_WINDOW && type <= LAST_APPLICATION_WINDOW) {
+ AppWindowToken atoken = token.appWindowToken;
+ if (atoken == null) {
+ Slog.w(TAG, "Attempted to add window with non-application token "
+ + token + ". Aborting.");
+ return WindowManagerGlobal.ADD_NOT_APP_TOKEN;
+ } else if (atoken.removed) {
+ Slog.w(TAG, "Attempted to add window with exiting application token "
+ + token + ". Aborting.");
+ return WindowManagerGlobal.ADD_APP_EXITING;
+ }
+ if (type == TYPE_APPLICATION_STARTING && atoken.firstWindowDrawn) {
+ // No need for this guy!
+ if (localLOGV) Slog.v(
+ TAG, "**** NO NEED TO START: " + attrs.getTitle());
+ return WindowManagerGlobal.ADD_STARTING_NOT_NEEDED;
+ }
+ } else if (type == TYPE_INPUT_METHOD) {
+ if (token.windowType != TYPE_INPUT_METHOD) {
+ Slog.w(TAG, "Attempted to add input method window with bad token "
+ + attrs.token + ". Aborting.");
+ return WindowManagerGlobal.ADD_BAD_APP_TOKEN;
+ }
+ } else if (type == TYPE_VOICE_INTERACTION) {
+ if (token.windowType != TYPE_VOICE_INTERACTION) {
+ Slog.w(TAG, "Attempted to add voice interaction window with bad token "
+ + attrs.token + ". Aborting.");
+ return WindowManagerGlobal.ADD_BAD_APP_TOKEN;
+ }
+ } else if (type == TYPE_WALLPAPER) {
+ if (token.windowType != TYPE_WALLPAPER) {
+ Slog.w(TAG, "Attempted to add wallpaper window with bad token "
+ + attrs.token + ". Aborting.");
+ return WindowManagerGlobal.ADD_BAD_APP_TOKEN;
+ }
+ } else if (type == TYPE_DREAM) {
+ if (token.windowType != TYPE_DREAM) {
+ Slog.w(TAG, "Attempted to add Dream window with bad token "
+ + attrs.token + ". Aborting.");
+ return WindowManagerGlobal.ADD_BAD_APP_TOKEN;
+ }
+ } else if (token.appWindowToken != null) {
+ Slog.w(TAG, "Non-null appWindowToken for system window of type=" + type);
+ // It is not valid to use an app token with other system types; we will
+ // instead make a new token for it (as if null had been passed in for the token).
+ attrs.token = null;
+ token = new WindowToken(this, null, -1, false);
+ addToken = true;
+ }
+
+ win = new WindowState(this, session, client, token,
+ attachedWindow, appOp[0], seq, attrs, viewVisibility, displayContent);
+ if (win.mDeathRecipient == null) {
+ // Client has apparently died, so there is no reason to
+ // continue.
+ Slog.w(TAG, "Adding window client " + client.asBinder()
+ + " that is dead, aborting.");
+ return WindowManagerGlobal.ADD_APP_EXITING;
+ }
+
+ if (win.getDisplayContent() == null) {
+ Slog.w(TAG, "Adding window to Display that has been removed.");
+ return WindowManagerGlobal.ADD_INVALID_DISPLAY;
+ }
+
+ mPolicy.adjustWindowParamsLw(win.mAttrs);
+ win.setShowToOwnerOnlyLocked(mPolicy.checkShowToOwnerOnly(attrs));
+
+ res = mPolicy.prepareAddWindowLw(win, attrs);
+ if (res != WindowManagerGlobal.ADD_OKAY) {
+ return res;
+ }
+
+ if (outInputChannel != null && (attrs.inputFeatures
+ & WindowManager.LayoutParams.INPUT_FEATURE_NO_INPUT_CHANNEL) == 0) {
+ String name = win.makeInputChannelName();
+ InputChannel[] inputChannels = InputChannel.openInputChannelPair(name);
+ win.setInputChannel(inputChannels[0]);
+ inputChannels[1].transferTo(outInputChannel);
+
+ mInputManager.registerInputChannel(win.mInputChannel, win.mInputWindowHandle);
+ }
+
+ // From now on, no exceptions or errors allowed!
+
+ res = WindowManagerGlobal.ADD_OKAY;
+
+ origId = Binder.clearCallingIdentity();
+
+ if (addToken) {
+ mTokenMap.put(attrs.token, token);
+ }
+ win.attach();
+ mWindowMap.put(client.asBinder(), win);
+ if (win.mAppOp != AppOpsManager.OP_NONE) {
+ if (mAppOps.startOpNoThrow(win.mAppOp, win.getOwningUid(), win.getOwningPackage())
+ != AppOpsManager.MODE_ALLOWED) {
+ win.setAppOpVisibilityLw(false);
+ }
+ }
+
+ if (type == TYPE_APPLICATION_STARTING && token.appWindowToken != null) {
+ token.appWindowToken.startingWindow = win;
+ if (DEBUG_STARTING_WINDOW) Slog.v (TAG, "addWindow: " + token.appWindowToken
+ + " startingWindow=" + win);
+ }
+
+ boolean imMayMove = true;
+
+ if (type == TYPE_INPUT_METHOD) {
+ win.mGivenInsetsPending = true;
+ mInputMethodWindow = win;
+ addInputMethodWindowToListLocked(win);
+ imMayMove = false;
+ } else if (type == TYPE_INPUT_METHOD_DIALOG) {
+ mInputMethodDialogs.add(win);
+ addWindowToListInOrderLocked(win, true);
+ moveInputMethodDialogsLocked(findDesiredInputMethodWindowIndexLocked(true));
+ imMayMove = false;
+ } else {
+ addWindowToListInOrderLocked(win, true);
+ if (type == TYPE_WALLPAPER) {
+ mLastWallpaperTimeoutTime = 0;
+ displayContent.pendingLayoutChanges |= FINISH_LAYOUT_REDO_WALLPAPER;
+ } else if ((attrs.flags&FLAG_SHOW_WALLPAPER) != 0) {
+ displayContent.pendingLayoutChanges |= FINISH_LAYOUT_REDO_WALLPAPER;
+ } else if (mWallpaperTarget != null
+ && mWallpaperTarget.mLayer >= win.mBaseLayer) {
+ // If there is currently a wallpaper being shown, and
+ // the base layer of the new window is below the current
+ // layer of the target window, then adjust the wallpaper.
+ // This is to avoid a new window being placed between the
+ // wallpaper and its target.
+ displayContent.pendingLayoutChanges |= FINISH_LAYOUT_REDO_WALLPAPER;
+ }
+ }
+
+ win.mWinAnimator.mEnterAnimationPending = true;
+
+ if (displayContent.isDefaultDisplay) {
+ mPolicy.getContentInsetHintLw(attrs, outContentInsets);
+ } else {
+ outContentInsets.setEmpty();
+ }
+
+ if (mInTouchMode) {
+ res |= WindowManagerGlobal.ADD_FLAG_IN_TOUCH_MODE;
+ }
+ if (win.mAppToken == null || !win.mAppToken.clientHidden) {
+ res |= WindowManagerGlobal.ADD_FLAG_APP_VISIBLE;
+ }
+
+ mInputMonitor.setUpdateInputWindowsNeededLw();
+
+ boolean focusChanged = false;
+ if (win.canReceiveKeys()) {
+ focusChanged = updateFocusedWindowLocked(UPDATE_FOCUS_WILL_ASSIGN_LAYERS,
+ false /*updateInputWindows*/);
+ if (focusChanged) {
+ imMayMove = false;
+ }
+ }
+
+ if (imMayMove) {
+ moveInputMethodWindowsIfNeededLocked(false);
+ }
+
+ assignLayersLocked(displayContent.getWindowList());
+ // Don't do layout here, the window must call
+ // relayout to be displayed, so we'll do it there.
+
+ if (focusChanged) {
+ mInputMonitor.setInputFocusLw(mCurrentFocus, false /*updateInputWindows*/);
+ }
+ mInputMonitor.updateInputWindowsLw(false /*force*/);
+
+ if (true || localLOGV) Slog.v(TAG, "addWindow: New client " + client.asBinder()
+ + ": window=" + win + " Callers=" + Debug.getCallers(5));
+
+ if (win.isVisibleOrAdding() && updateOrientationFromAppTokensLocked(false)) {
+ reportNewConfig = true;
+ }
+ }
+
+ if (reportNewConfig) {
+ sendNewConfiguration();
+ }
+
+ Binder.restoreCallingIdentity(origId);
+
+ return res;
+ }
+
+ /**
+ * Returns whether screen capture is disabled for all windows of a specific user.
+ */
+ boolean isScreenCaptureDisabledLocked(int userId) {
+ Boolean disabled = mScreenCaptureDisabled.get(userId);
+ if (disabled == null) {
+ return false;
+ }
+ return disabled;
+ }
+
+ /**
+ * Set mScreenCaptureDisabled for specific user
+ */
+ @Override
+ public void setScreenCaptureDisabled(int userId, boolean disabled) {
+ int callingUid = Binder.getCallingUid();
+ if (callingUid != Process.SYSTEM_UID) {
+ throw new SecurityException("Only system can call setScreenCaptureDisabled.");
+ }
+
+ synchronized(mWindowMap) {
+ mScreenCaptureDisabled.put(userId, disabled);
+ }
+ }
+
+ public void removeWindow(Session session, IWindow client) {
+ synchronized(mWindowMap) {
+ WindowState win = windowForClientLocked(session, client, false);
+ if (win == null) {
+ return;
+ }
+ removeWindowLocked(session, win);
+ }
+ }
+
+ public void removeWindowLocked(Session session, WindowState win) {
+ if (win.mAttrs.type == TYPE_APPLICATION_STARTING) {
+ if (DEBUG_STARTING_WINDOW) Slog.d(TAG, "Starting window removed " + win);
+ }
+
+ if (localLOGV || DEBUG_FOCUS || DEBUG_FOCUS_LIGHT && win==mCurrentFocus) Slog.v(
+ TAG, "Remove " + win + " client="
+ + Integer.toHexString(System.identityHashCode(win.mClient.asBinder()))
+ + ", surface=" + win.mWinAnimator.mSurfaceControl + " Callers="
+ + Debug.getCallers(4));
+
+ final long origId = Binder.clearCallingIdentity();
+
+ win.disposeInputChannel();
+
+ if (DEBUG_APP_TRANSITIONS) Slog.v(
+ TAG, "Remove " + win + ": mSurface=" + win.mWinAnimator.mSurfaceControl
+ + " mExiting=" + win.mExiting
+ + " isAnimating=" + win.mWinAnimator.isAnimating()
+ + " app-animation="
+ + (win.mAppToken != null ? win.mAppToken.mAppAnimator.animation : null)
+ + " inPendingTransaction="
+ + (win.mAppToken != null ? win.mAppToken.inPendingTransaction : false)
+ + " mDisplayFrozen=" + mDisplayFrozen);
+ // Visibility of the removed window. Will be used later to update orientation later on.
+ boolean wasVisible = false;
+ // First, see if we need to run an animation. If we do, we have
+ // to hold off on removing the window until the animation is done.
+ // If the display is frozen, just remove immediately, since the
+ // animation wouldn't be seen.
+ if (win.mHasSurface && okToDisplay()) {
+ // If we are not currently running the exit animation, we
+ // need to see about starting one.
+ wasVisible = win.isWinVisibleLw();
+ if (wasVisible) {
+
+ int transit = WindowManagerPolicy.TRANSIT_EXIT;
+ if (win.mAttrs.type == TYPE_APPLICATION_STARTING) {
+ transit = WindowManagerPolicy.TRANSIT_PREVIEW_DONE;
+ }
+ // Try starting an animation.
+ if (win.mWinAnimator.applyAnimationLocked(transit, false)) {
+ win.mExiting = true;
+ }
+ //TODO (multidisplay): Magnification is supported only for the default display.
+ if (mAccessibilityController != null
+ && win.getDisplayId() == Display.DEFAULT_DISPLAY) {
+ mAccessibilityController.onWindowTransitionLocked(win, transit);
+ }
+ }
+ if (win.mExiting || win.mWinAnimator.isAnimating()) {
+ // The exit animation is running... wait for it!
+ //Slog.i(TAG, "*** Running exit animation...");
+ win.mExiting = true;
+ win.mRemoveOnExit = true;
+ final DisplayContent displayContent = win.getDisplayContent();
+ if (displayContent != null) {
+ displayContent.layoutNeeded = true;
+ }
+ final boolean focusChanged = updateFocusedWindowLocked(
+ UPDATE_FOCUS_WILL_PLACE_SURFACES, false /*updateInputWindows*/);
+ performLayoutAndPlaceSurfacesLocked();
+ if (win.mAppToken != null) {
+ win.mAppToken.updateReportedVisibilityLocked();
+ }
+ if (focusChanged) {
+ mInputMonitor.updateInputWindowsLw(false /*force*/);
+ }
+ //dump();
+ Binder.restoreCallingIdentity(origId);
+ return;
+ }
+ }
+
+ removeWindowInnerLocked(session, win);
+ // Removing a visible window will effect the computed orientation
+ // So just update orientation if needed.
+ if (wasVisible && updateOrientationFromAppTokensLocked(false)) {
+ mH.sendEmptyMessage(H.SEND_NEW_CONFIGURATION);
+ }
+ updateFocusedWindowLocked(UPDATE_FOCUS_NORMAL, true /*updateInputWindows*/);
+ Binder.restoreCallingIdentity(origId);
+ }
+
+ void removeWindowInnerLocked(Session session, WindowState win) {
+ if (win.mRemoved) {
+ // Nothing to do.
+ return;
+ }
+
+ for (int i=win.mChildWindows.size()-1; i>=0; i--) {
+ WindowState cwin = win.mChildWindows.get(i);
+ Slog.w(TAG, "Force-removing child win " + cwin + " from container "
+ + win);
+ removeWindowInnerLocked(cwin.mSession, cwin);
+ }
+
+ win.mRemoved = true;
+
+ if (mInputMethodTarget == win) {
+ moveInputMethodWindowsIfNeededLocked(false);
+ }
+
+ if (false) {
+ RuntimeException e = new RuntimeException("here");
+ e.fillInStackTrace();
+ Slog.w(TAG, "Removing window " + win, e);
+ }
+
+ mPolicy.removeWindowLw(win);
+ win.removeLocked();
+
+ if (true || DEBUG_ADD_REMOVE) Slog.v(TAG, "removeWindowInnerLocked: " + win +
+ " Callers=" + Debug.getCallers(5));
+ mWindowMap.remove(win.mClient.asBinder());
+ if (win.mAppOp != AppOpsManager.OP_NONE) {
+ mAppOps.finishOp(win.mAppOp, win.getOwningUid(), win.getOwningPackage());
+ }
+
+ mPendingRemove.remove(win);
+ mResizingWindows.remove(win);
+ mWindowsChanged = true;
+ if (DEBUG_WINDOW_MOVEMENT) Slog.v(TAG, "Final remove of window: " + win);
+
+ if (mInputMethodWindow == win) {
+ mInputMethodWindow = null;
+ } else if (win.mAttrs.type == TYPE_INPUT_METHOD_DIALOG) {
+ mInputMethodDialogs.remove(win);
+ }
+
+ final WindowToken token = win.mToken;
+ final AppWindowToken atoken = win.mAppToken;
+ if (DEBUG_ADD_REMOVE) Slog.v(TAG, "Removing " + win + " from " + token);
+ token.windows.remove(win);
+ if (atoken != null) {
+ atoken.allAppWindows.remove(win);
+ }
+ if (localLOGV) Slog.v(
+ TAG, "**** Removing window " + win + ": count="
+ + token.windows.size());
+ if (token.windows.size() == 0) {
+ if (!token.explicit) {
+ mTokenMap.remove(token.token);
+ } else if (atoken != null) {
+ atoken.firstWindowDrawn = false;
+ }
+ }
+
+ if (atoken != null) {
+ if (atoken.startingWindow == win) {
+ if (DEBUG_STARTING_WINDOW) Slog.v(TAG, "Notify removed startingWindow " + win);
+ scheduleRemoveStartingWindowLocked(atoken);
+ } else
+ if (atoken.allAppWindows.size() == 0 && atoken.startingData != null) {
+ // If this is the last window and we had requested a starting
+ // transition window, well there is no point now.
+ if (DEBUG_STARTING_WINDOW) Slog.v(TAG, "Nulling last startingWindow");
+ atoken.startingData = null;
+ } else if (atoken.allAppWindows.size() == 1 && atoken.startingView != null) {
+ // If this is the last window except for a starting transition
+ // window, we need to get rid of the starting transition.
+ scheduleRemoveStartingWindowLocked(atoken);
+ }
+ }
+
+ if (win.mAttrs.type == TYPE_WALLPAPER) {
+ mLastWallpaperTimeoutTime = 0;
+ getDefaultDisplayContentLocked().pendingLayoutChanges |=
+ WindowManagerPolicy.FINISH_LAYOUT_REDO_WALLPAPER;
+ } else if ((win.mAttrs.flags&FLAG_SHOW_WALLPAPER) != 0) {
+ getDefaultDisplayContentLocked().pendingLayoutChanges |=
+ WindowManagerPolicy.FINISH_LAYOUT_REDO_WALLPAPER;
+ }
+
+ final WindowList windows = win.getWindowList();
+ if (windows != null) {
+ windows.remove(win);
+ if (!mInLayout) {
+ assignLayersLocked(windows);
+ final DisplayContent displayContent = win.getDisplayContent();
+ if (displayContent != null) {
+ displayContent.layoutNeeded = true;
+ }
+ performLayoutAndPlaceSurfacesLocked();
+ if (win.mAppToken != null) {
+ win.mAppToken.updateReportedVisibilityLocked();
+ }
+ }
+ }
+
+ mInputMonitor.updateInputWindowsLw(true /*force*/);
+ }
+
+ public void updateAppOpsState() {
+ synchronized(mWindowMap) {
+ final int numDisplays = mDisplayContents.size();
+ for (int displayNdx = 0; displayNdx < numDisplays; ++displayNdx) {
+ final WindowList windows = mDisplayContents.valueAt(displayNdx).getWindowList();
+ final int numWindows = windows.size();
+ for (int winNdx = 0; winNdx < numWindows; ++winNdx) {
+ final WindowState win = windows.get(winNdx);
+ if (win.mAppOp != AppOpsManager.OP_NONE) {
+ final int mode = mAppOps.checkOpNoThrow(win.mAppOp, win.getOwningUid(),
+ win.getOwningPackage());
+ win.setAppOpVisibilityLw(mode == AppOpsManager.MODE_ALLOWED);
+ }
+ }
+ }
+ }
+ }
+
+ static void logSurface(WindowState w, String msg, RuntimeException where) {
+ String str = " SURFACE " + msg + ": " + w;
+ if (where != null) {
+ Slog.i(TAG, str, where);
+ } else {
+ Slog.i(TAG, str);
+ }
+ }
+
+ static void logSurface(SurfaceControl s, String title, String msg, RuntimeException where) {
+ String str = " SURFACE " + s + ": " + msg + " / " + title;
+ if (where != null) {
+ Slog.i(TAG, str, where);
+ } else {
+ Slog.i(TAG, str);
+ }
+ }
+
+ void setTransparentRegionWindow(Session session, IWindow client, Region region) {
+ long origId = Binder.clearCallingIdentity();
+ try {
+ synchronized (mWindowMap) {
+ WindowState w = windowForClientLocked(session, client, false);
+ if ((w != null) && w.mHasSurface) {
+ w.mWinAnimator.setTransparentRegionHintLocked(region);
+ }
+ }
+ } finally {
+ Binder.restoreCallingIdentity(origId);
+ }
+ }
+
+ void setInsetsWindow(Session session, IWindow client,
+ int touchableInsets, Rect contentInsets,
+ Rect visibleInsets, Region touchableRegion) {
+ long origId = Binder.clearCallingIdentity();
+ try {
+ synchronized (mWindowMap) {
+ WindowState w = windowForClientLocked(session, client, false);
+ if (w != null) {
+ w.mGivenInsetsPending = false;
+ w.mGivenContentInsets.set(contentInsets);
+ w.mGivenVisibleInsets.set(visibleInsets);
+ w.mGivenTouchableRegion.set(touchableRegion);
+ w.mTouchableInsets = touchableInsets;
+ if (w.mGlobalScale != 1) {
+ w.mGivenContentInsets.scale(w.mGlobalScale);
+ w.mGivenVisibleInsets.scale(w.mGlobalScale);
+ w.mGivenTouchableRegion.scale(w.mGlobalScale);
+ }
+ final DisplayContent displayContent = w.getDisplayContent();
+ if (displayContent != null) {
+ displayContent.layoutNeeded = true;
+ }
+ performLayoutAndPlaceSurfacesLocked();
+ }
+ }
+ } finally {
+ Binder.restoreCallingIdentity(origId);
+ }
+ }
+
+ public void getWindowDisplayFrame(Session session, IWindow client,
+ Rect outDisplayFrame) {
+ synchronized(mWindowMap) {
+ WindowState win = windowForClientLocked(session, client, false);
+ if (win == null) {
+ outDisplayFrame.setEmpty();
+ return;
+ }
+ outDisplayFrame.set(win.mDisplayFrame);
+ }
+ }
+
+ public void setWindowWallpaperPositionLocked(WindowState window, float x, float y,
+ float xStep, float yStep) {
+ if (window.mWallpaperX != x || window.mWallpaperY != y) {
+ window.mWallpaperX = x;
+ window.mWallpaperY = y;
+ window.mWallpaperXStep = xStep;
+ window.mWallpaperYStep = yStep;
+ updateWallpaperOffsetLocked(window, true);
+ }
+ }
+
+ void wallpaperCommandComplete(IBinder window, Bundle result) {
+ synchronized (mWindowMap) {
+ if (mWaitingOnWallpaper != null &&
+ mWaitingOnWallpaper.mClient.asBinder() == window) {
+ mWaitingOnWallpaper = null;
+ mWindowMap.notifyAll();
+ }
+ }
+ }
+
+ public void setWindowWallpaperDisplayOffsetLocked(WindowState window, int x, int y) {
+ if (window.mWallpaperDisplayOffsetX != x || window.mWallpaperDisplayOffsetY != y) {
+ window.mWallpaperDisplayOffsetX = x;
+ window.mWallpaperDisplayOffsetY = y;
+ updateWallpaperOffsetLocked(window, true);
+ }
+ }
+
+ public Bundle sendWindowWallpaperCommandLocked(WindowState window,
+ String action, int x, int y, int z, Bundle extras, boolean sync) {
+ if (window == mWallpaperTarget || window == mLowerWallpaperTarget
+ || window == mUpperWallpaperTarget) {
+ boolean doWait = sync;
+ int curTokenIndex = mWallpaperTokens.size();
+ while (curTokenIndex > 0) {
+ curTokenIndex--;
+ WindowToken token = mWallpaperTokens.get(curTokenIndex);
+ int curWallpaperIndex = token.windows.size();
+ while (curWallpaperIndex > 0) {
+ curWallpaperIndex--;
+ WindowState wallpaper = token.windows.get(curWallpaperIndex);
+ try {
+ wallpaper.mClient.dispatchWallpaperCommand(action,
+ x, y, z, extras, sync);
+ // We only want to be synchronous with one wallpaper.
+ sync = false;
+ } catch (RemoteException e) {
+ }
+ }
+ }
+
+ if (doWait) {
+ // XXX Need to wait for result.
+ }
+ }
+
+ return null;
+ }
+
+ public void setUniverseTransformLocked(WindowState window, float alpha,
+ float offx, float offy, float dsdx, float dtdx, float dsdy, float dtdy) {
+ Transformation transform = window.mWinAnimator.mUniverseTransform;
+ transform.setAlpha(alpha);
+ Matrix matrix = transform.getMatrix();
+ matrix.getValues(mTmpFloats);
+ mTmpFloats[Matrix.MTRANS_X] = offx;
+ mTmpFloats[Matrix.MTRANS_Y] = offy;
+ mTmpFloats[Matrix.MSCALE_X] = dsdx;
+ mTmpFloats[Matrix.MSKEW_Y] = dtdx;
+ mTmpFloats[Matrix.MSKEW_X] = dsdy;
+ mTmpFloats[Matrix.MSCALE_Y] = dtdy;
+ matrix.setValues(mTmpFloats);
+ final DisplayContent displayContent = window.getDisplayContent();
+ if (displayContent == null) {
+ return;
+ }
+
+ final DisplayInfo displayInfo = displayContent.getDisplayInfo();
+ final RectF dispRect = new RectF(0, 0,
+ displayInfo.logicalWidth, displayInfo.logicalHeight);
+ matrix.mapRect(dispRect);
+ window.mGivenTouchableRegion.set(0, 0,
+ displayInfo.logicalWidth, displayInfo.logicalHeight);
+ window.mGivenTouchableRegion.op((int)dispRect.left, (int)dispRect.top,
+ (int)dispRect.right, (int)dispRect.bottom, Region.Op.DIFFERENCE);
+ window.mTouchableInsets = ViewTreeObserver.InternalInsetsInfo.TOUCHABLE_INSETS_REGION;
+ displayContent.layoutNeeded = true;
+ performLayoutAndPlaceSurfacesLocked();
+ }
+
+ public void onRectangleOnScreenRequested(IBinder token, Rect rectangle) {
+ synchronized (mWindowMap) {
+ if (mAccessibilityController != null) {
+ WindowState window = mWindowMap.get(token);
+ //TODO (multidisplay): Magnification is supported only for the default display.
+ if (window != null && window.getDisplayId() == Display.DEFAULT_DISPLAY) {
+ mAccessibilityController.onRectangleOnScreenRequestedLocked(rectangle);
+ }
+ }
+ }
+ }
+
+ public IWindowId getWindowId(IBinder token) {
+ synchronized (mWindowMap) {
+ WindowState window = mWindowMap.get(token);
+ return window != null ? window.mWindowId : null;
+ }
+ }
+
+ public int relayoutWindow(Session session, IWindow client, int seq,
+ WindowManager.LayoutParams attrs, int requestedWidth,
+ int requestedHeight, int viewVisibility, int flags,
+ Rect outFrame, Rect outOverscanInsets, Rect outContentInsets,
+ Rect outVisibleInsets, Rect outStableInsets, Configuration outConfig,
+ Surface outSurface) {
+ boolean toBeDisplayed = false;
+ boolean inTouchMode;
+ boolean configChanged;
+ boolean surfaceChanged = false;
+ boolean animating;
+ boolean hasStatusBarPermission =
+ mContext.checkCallingOrSelfPermission(android.Manifest.permission.STATUS_BAR)
+ == PackageManager.PERMISSION_GRANTED;
+
+ long origId = Binder.clearCallingIdentity();
+
+ synchronized(mWindowMap) {
+ WindowState win = windowForClientLocked(session, client, false);
+ if (win == null) {
+ return 0;
+ }
+ WindowStateAnimator winAnimator = win.mWinAnimator;
+ if (win.mRequestedWidth != requestedWidth
+ || win.mRequestedHeight != requestedHeight) {
+ win.mLayoutNeeded = true;
+ win.mRequestedWidth = requestedWidth;
+ win.mRequestedHeight = requestedHeight;
+ }
+
+ if (attrs != null) {
+ mPolicy.adjustWindowParamsLw(attrs);
+ }
+
+ // if they don't have the permission, mask out the status bar bits
+ int systemUiVisibility = 0;
+ if (attrs != null) {
+ systemUiVisibility = (attrs.systemUiVisibility|attrs.subtreeSystemUiVisibility);
+ if ((systemUiVisibility & StatusBarManager.DISABLE_MASK) != 0) {
+ if (!hasStatusBarPermission) {
+ systemUiVisibility &= ~StatusBarManager.DISABLE_MASK;
+ }
+ }
+ }
+
+ if (attrs != null && seq == win.mSeq) {
+ win.mSystemUiVisibility = systemUiVisibility;
+ }
+
+ winAnimator.mSurfaceDestroyDeferred =
+ (flags&WindowManagerGlobal.RELAYOUT_DEFER_SURFACE_DESTROY) != 0;
+
+ int attrChanges = 0;
+ int flagChanges = 0;
+ if (attrs != null) {
+ if (win.mAttrs.type != attrs.type) {
+ throw new IllegalArgumentException(
+ "Window type can not be changed after the window is added.");
+ }
+ flagChanges = win.mAttrs.flags ^= attrs.flags;
+ attrChanges = win.mAttrs.copyFrom(attrs);
+ if ((attrChanges & (WindowManager.LayoutParams.LAYOUT_CHANGED
+ | WindowManager.LayoutParams.SYSTEM_UI_VISIBILITY_CHANGED)) != 0) {
+ win.mLayoutNeeded = true;
+ }
+ }
+
+ if (DEBUG_LAYOUT) Slog.v(TAG, "Relayout " + win + ": viewVisibility=" + viewVisibility
+ + " req=" + requestedWidth + "x" + requestedHeight + " " + win.mAttrs);
+
+ win.mEnforceSizeCompat =
+ (win.mAttrs.privateFlags & PRIVATE_FLAG_COMPATIBLE_WINDOW) != 0;
+
+ if ((attrChanges & WindowManager.LayoutParams.ALPHA_CHANGED) != 0) {
+ winAnimator.mAlpha = attrs.alpha;
+ }
+
+ final boolean scaledWindow =
+ ((win.mAttrs.flags & WindowManager.LayoutParams.FLAG_SCALED) != 0);
+
+ if (scaledWindow) {
+ // requested{Width|Height} Surface's physical size
+ // attrs.{width|height} Size on screen
+ win.mHScale = (attrs.width != requestedWidth) ?
+ (attrs.width / (float)requestedWidth) : 1.0f;
+ win.mVScale = (attrs.height != requestedHeight) ?
+ (attrs.height / (float)requestedHeight) : 1.0f;
+ } else {
+ win.mHScale = win.mVScale = 1;
+ }
+
+ boolean imMayMove = (flagChanges & (FLAG_ALT_FOCUSABLE_IM | FLAG_NOT_FOCUSABLE)) != 0;
+
+ final boolean isDefaultDisplay = win.isDefaultDisplay();
+ boolean focusMayChange = isDefaultDisplay && (win.mViewVisibility != viewVisibility
+ || ((flagChanges & FLAG_NOT_FOCUSABLE) != 0)
+ || (!win.mRelayoutCalled));
+
+ boolean wallpaperMayMove = win.mViewVisibility != viewVisibility
+ && (win.mAttrs.flags & FLAG_SHOW_WALLPAPER) != 0;
+ wallpaperMayMove |= (flagChanges & FLAG_SHOW_WALLPAPER) != 0;
+
+ win.mRelayoutCalled = true;
+ final int oldVisibility = win.mViewVisibility;
+ win.mViewVisibility = viewVisibility;
+ if (DEBUG_SCREEN_ON) {
+ RuntimeException stack = new RuntimeException();
+ stack.fillInStackTrace();
+ Slog.i(TAG, "Relayout " + win + ": oldVis=" + oldVisibility
+ + " newVis=" + viewVisibility, stack);
+ }
+ if (viewVisibility == View.VISIBLE &&
+ (win.mAppToken == null || !win.mAppToken.clientHidden)) {
+ toBeDisplayed = !win.isVisibleLw();
+ if (win.mExiting) {
+ winAnimator.cancelExitAnimationForNextAnimationLocked();
+ win.mExiting = false;
+ }
+ if (win.mDestroying) {
+ win.mDestroying = false;
+ mDestroySurface.remove(win);
+ }
+ if (oldVisibility == View.GONE) {
+ winAnimator.mEnterAnimationPending = true;
+ }
+ if (toBeDisplayed) {
+ if (win.isDrawnLw() && okToDisplay()) {
+ winAnimator.applyEnterAnimationLocked();
+ }
+ if ((win.mAttrs.flags
+ & WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON) != 0) {
+ if (DEBUG_VISIBILITY) Slog.v(TAG,
+ "Relayout window turning screen on: " + win);
+ win.mTurnOnScreen = true;
+ }
+ if (win.isConfigChanged()) {
+ if (DEBUG_CONFIGURATION) Slog.i(TAG, "Window " + win
+ + " visible with new config: " + mCurConfiguration);
+ outConfig.setTo(mCurConfiguration);
+ }
+ }
+ if ((attrChanges&WindowManager.LayoutParams.FORMAT_CHANGED) != 0) {
+ // To change the format, we need to re-build the surface.
+ winAnimator.destroySurfaceLocked();
+ toBeDisplayed = true;
+ surfaceChanged = true;
+ }
+ try {
+ if (!win.mHasSurface) {
+ surfaceChanged = true;
+ }
+ SurfaceControl surfaceControl = winAnimator.createSurfaceLocked();
+ if (surfaceControl != null) {
+ outSurface.copyFrom(surfaceControl);
+ if (SHOW_TRANSACTIONS) Slog.i(TAG,
+ " OUT SURFACE " + outSurface + ": copied");
+ } else {
+ // For some reason there isn't a surface. Clear the
+ // caller's object so they see the same state.
+ outSurface.release();
+ }
+ } catch (Exception e) {
+ mInputMonitor.updateInputWindowsLw(true /*force*/);
+
+ Slog.w(TAG, "Exception thrown when creating surface for client "
+ + client + " (" + win.mAttrs.getTitle() + ")",
+ e);
+ Binder.restoreCallingIdentity(origId);
+ return 0;
+ }
+ if (toBeDisplayed) {
+ focusMayChange = isDefaultDisplay;
+ }
+ if (win.mAttrs.type == TYPE_INPUT_METHOD
+ && mInputMethodWindow == null) {
+ mInputMethodWindow = win;
+ imMayMove = true;
+ }
+ if (win.mAttrs.type == TYPE_BASE_APPLICATION
+ && win.mAppToken != null
+ && win.mAppToken.startingWindow != null) {
+ // Special handling of starting window over the base
+ // window of the app: propagate lock screen flags to it,
+ // to provide the correct semantics while starting.
+ final int mask =
+ WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED
+ | WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD
+ | WindowManager.LayoutParams.FLAG_ALLOW_LOCK_WHILE_SCREEN_ON;
+ WindowManager.LayoutParams sa = win.mAppToken.startingWindow.mAttrs;
+ sa.flags = (sa.flags&~mask) | (win.mAttrs.flags&mask);
+ }
+ } else {
+ winAnimator.mEnterAnimationPending = false;
+ if (winAnimator.mSurfaceControl != null) {
+ if (DEBUG_VISIBILITY) Slog.i(TAG, "Relayout invis " + win
+ + ": mExiting=" + win.mExiting);
+ // If we are not currently running the exit animation, we
+ // need to see about starting one.
+ if (!win.mExiting) {
+ surfaceChanged = true;
+ // Try starting an animation; if there isn't one, we
+ // can destroy the surface right away.
+ int transit = WindowManagerPolicy.TRANSIT_EXIT;
+ if (win.mAttrs.type == TYPE_APPLICATION_STARTING) {
+ transit = WindowManagerPolicy.TRANSIT_PREVIEW_DONE;
+ }
+ if (win.isWinVisibleLw() &&
+ winAnimator.applyAnimationLocked(transit, false)) {
+ focusMayChange = isDefaultDisplay;
+ win.mExiting = true;
+ } else if (win.mWinAnimator.isAnimating()) {
+ // Currently in a hide animation... turn this into
+ // an exit.
+ win.mExiting = true;
+ } else if (win == mWallpaperTarget) {
+ // If the wallpaper is currently behind this
+ // window, we need to change both of them inside
+ // of a transaction to avoid artifacts.
+ win.mExiting = true;
+ win.mWinAnimator.mAnimating = true;
+ } else {
+ if (mInputMethodWindow == win) {
+ mInputMethodWindow = null;
+ }
+ winAnimator.destroySurfaceLocked();
+ }
+ //TODO (multidisplay): Magnification is supported only for the default
+ if (mAccessibilityController != null
+ && win.getDisplayId() == Display.DEFAULT_DISPLAY) {
+ mAccessibilityController.onWindowTransitionLocked(win, transit);
+ }
+ }
+ }
+
+ outSurface.release();
+ if (DEBUG_VISIBILITY) Slog.i(TAG, "Releasing surface in: " + win);
+ }
+
+ if (focusMayChange) {
+ //System.out.println("Focus may change: " + win.mAttrs.getTitle());
+ if (updateFocusedWindowLocked(UPDATE_FOCUS_WILL_PLACE_SURFACES,
+ false /*updateInputWindows*/)) {
+ imMayMove = false;
+ }
+ //System.out.println("Relayout " + win + ": focus=" + mCurrentFocus);
+ }
+
+ // updateFocusedWindowLocked() already assigned layers so we only need to
+ // reassign them at this point if the IM window state gets shuffled
+ if (imMayMove && (moveInputMethodWindowsIfNeededLocked(false) || toBeDisplayed)) {
+ // Little hack here -- we -should- be able to rely on the
+ // function to return true if the IME has moved and needs
+ // its layer recomputed. However, if the IME was hidden
+ // and isn't actually moved in the list, its layer may be
+ // out of data so we make sure to recompute it.
+ assignLayersLocked(win.getWindowList());
+ }
+
+ if (wallpaperMayMove) {
+ getDefaultDisplayContentLocked().pendingLayoutChanges |=
+ WindowManagerPolicy.FINISH_LAYOUT_REDO_WALLPAPER;
+ }
+
+ final DisplayContent displayContent = win.getDisplayContent();
+ if (displayContent != null) {
+ displayContent.layoutNeeded = true;
+ }
+ win.mGivenInsetsPending = (flags&WindowManagerGlobal.RELAYOUT_INSETS_PENDING) != 0;
+ configChanged = updateOrientationFromAppTokensLocked(false);
+ performLayoutAndPlaceSurfacesLocked();
+ if (toBeDisplayed && win.mIsWallpaper) {
+ DisplayInfo displayInfo = getDefaultDisplayInfoLocked();
+ updateWallpaperOffsetLocked(win,
+ displayInfo.logicalWidth, displayInfo.logicalHeight, false);
+ }
+ if (win.mAppToken != null) {
+ win.mAppToken.updateReportedVisibilityLocked();
+ }
+ outFrame.set(win.mCompatFrame);
+ outOverscanInsets.set(win.mOverscanInsets);
+ outContentInsets.set(win.mContentInsets);
+ outVisibleInsets.set(win.mVisibleInsets);
+ outStableInsets.set(win.mStableInsets);
+ if (localLOGV) Slog.v(
+ TAG, "Relayout given client " + client.asBinder()
+ + ", requestedWidth=" + requestedWidth
+ + ", requestedHeight=" + requestedHeight
+ + ", viewVisibility=" + viewVisibility
+ + "\nRelayout returning frame=" + outFrame
+ + ", surface=" + outSurface);
+
+ if (localLOGV || DEBUG_FOCUS) Slog.v(
+ TAG, "Relayout of " + win + ": focusMayChange=" + focusMayChange);
+
+ inTouchMode = mInTouchMode;
+ animating = mAnimator.mAnimating && win.mWinAnimator.isAnimating();
+ if (animating && !mRelayoutWhileAnimating.contains(win)) {
+ mRelayoutWhileAnimating.add(win);
+ }
+
+ mInputMonitor.updateInputWindowsLw(true /*force*/);
+
+ if (DEBUG_LAYOUT) {
+ Slog.v(TAG, "Relayout complete " + win + ": outFrame=" + outFrame.toShortString());
+ }
+ }
+
+ if (configChanged) {
+ sendNewConfiguration();
+ }
+
+ Binder.restoreCallingIdentity(origId);
+
+ return (inTouchMode ? WindowManagerGlobal.RELAYOUT_RES_IN_TOUCH_MODE : 0)
+ | (toBeDisplayed ? WindowManagerGlobal.RELAYOUT_RES_FIRST_TIME : 0)
+ | (surfaceChanged ? WindowManagerGlobal.RELAYOUT_RES_SURFACE_CHANGED : 0)
+ | (animating ? WindowManagerGlobal.RELAYOUT_RES_ANIMATING : 0);
+ }
+
+ public void performDeferredDestroyWindow(Session session, IWindow client) {
+ long origId = Binder.clearCallingIdentity();
+
+ try {
+ synchronized (mWindowMap) {
+ WindowState win = windowForClientLocked(session, client, false);
+ if (win == null) {
+ return;
+ }
+ win.mWinAnimator.destroyDeferredSurfaceLocked();
+ }
+ } finally {
+ Binder.restoreCallingIdentity(origId);
+ }
+ }
+
+ public boolean outOfMemoryWindow(Session session, IWindow client) {
+ long origId = Binder.clearCallingIdentity();
+
+ try {
+ synchronized (mWindowMap) {
+ WindowState win = windowForClientLocked(session, client, false);
+ if (win == null) {
+ return false;
+ }
+ return reclaimSomeSurfaceMemoryLocked(win.mWinAnimator, "from-client", false);
+ }
+ } finally {
+ Binder.restoreCallingIdentity(origId);
+ }
+ }
+
+ public void finishDrawingWindow(Session session, IWindow client) {
+ final long origId = Binder.clearCallingIdentity();
+ try {
+ synchronized (mWindowMap) {
+ WindowState win = windowForClientLocked(session, client, false);
+ if (win != null && win.mWinAnimator.finishDrawingLocked()) {
+ if ((win.mAttrs.flags & FLAG_SHOW_WALLPAPER) != 0) {
+ getDefaultDisplayContentLocked().pendingLayoutChanges |=
+ WindowManagerPolicy.FINISH_LAYOUT_REDO_WALLPAPER;
+ }
+ final DisplayContent displayContent = win.getDisplayContent();
+ if (displayContent != null) {
+ displayContent.layoutNeeded = true;
+ }
+ requestTraversalLocked();
+ }
+ }
+ } finally {
+ Binder.restoreCallingIdentity(origId);
+ }
+ }
+
+ private boolean applyAnimationLocked(AppWindowToken atoken,
+ WindowManager.LayoutParams lp, int transit, boolean enter, boolean isVoiceInteraction) {
+ // Only apply an animation if the display isn't frozen. If it is
+ // frozen, there is no reason to animate and it can cause strange
+ // artifacts when we unfreeze the display if some different animation
+ // is running.
+ if (okToDisplay()) {
+ DisplayInfo displayInfo = getDefaultDisplayInfoLocked();
+ final int width = displayInfo.appWidth;
+ final int height = displayInfo.appHeight;
+ if (DEBUG_APP_TRANSITIONS || DEBUG_ANIM) Slog.v(TAG, "applyAnimation: atoken="
+ + atoken);
+
+ // Determine the visible rect to calculate the thumbnail clip
+ WindowState win = atoken.findMainWindow();
+ Rect containingFrame = new Rect(0, 0, width, height);
+ Rect contentInsets = new Rect();
+ boolean isFullScreen = true;
+ if (win != null) {
+ if (win.mContainingFrame != null) {
+ containingFrame.set(win.mContainingFrame);
+ }
+ if (win.mContentInsets != null) {
+ contentInsets.set(win.mContentInsets);
+ }
+ isFullScreen =
+ ((win.mSystemUiVisibility & SYSTEM_UI_FLAGS_LAYOUT_STABLE_FULLSCREEN) ==
+ SYSTEM_UI_FLAGS_LAYOUT_STABLE_FULLSCREEN) ||
+ ((win.mAttrs.flags & FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) != 0);
+ }
+
+ if (atoken.mLaunchTaskBehind) {
+ // Differentiate the two animations. This one which is briefly on the screen
+ // gets the !enter animation, and the other activity which remains on the
+ // screen gets the enter animation. Both appear in the mOpeningApps set.
+ enter = false;
+ }
+ Animation a = mAppTransition.loadAnimation(lp, transit, enter, width, height,
+ mCurConfiguration.orientation, containingFrame, contentInsets, isFullScreen,
+ isVoiceInteraction);
+ if (a != null) {
+ if (DEBUG_ANIM) {
+ RuntimeException e = null;
+ if (!HIDE_STACK_CRAWLS) {
+ e = new RuntimeException();
+ e.fillInStackTrace();
+ }
+ Slog.v(TAG, "Loaded animation " + a + " for " + atoken, e);
+ }
+ atoken.mAppAnimator.setAnimation(a, width, height);
+ }
+ } else {
+ atoken.mAppAnimator.clearAnimation();
+ }
+
+ return atoken.mAppAnimator.animation != null;
+ }
+
+ // -------------------------------------------------------------
+ // Application Window Tokens
+ // -------------------------------------------------------------
+
+ public void validateAppTokens(int stackId, List<TaskGroup> tasks) {
+ synchronized (mWindowMap) {
+ int t = tasks.size() - 1;
+ if (t < 0) {
+ Slog.w(TAG, "validateAppTokens: empty task list");
+ return;
+ }
+
+ TaskGroup task = tasks.get(0);
+ int taskId = task.taskId;
+ Task targetTask = mTaskIdToTask.get(taskId);
+ DisplayContent displayContent = targetTask.getDisplayContent();
+ if (displayContent == null) {
+ Slog.w(TAG, "validateAppTokens: no Display for taskId=" + taskId);
+ return;
+ }
+
+ final ArrayList<Task> localTasks = mStackIdToStack.get(stackId).getTasks();
+ int taskNdx;
+ for (taskNdx = localTasks.size() - 1; taskNdx >= 0 && t >= 0; --taskNdx, --t) {
+ AppTokenList localTokens = localTasks.get(taskNdx).mAppTokens;
+ task = tasks.get(t);
+ List<IApplicationToken> tokens = task.tokens;
+
+ DisplayContent lastDisplayContent = displayContent;
+ displayContent = mTaskIdToTask.get(taskId).getDisplayContent();
+ if (displayContent != lastDisplayContent) {
+ Slog.w(TAG, "validateAppTokens: displayContent changed in TaskGroup list!");
+ return;
+ }
+
+ int tokenNdx;
+ int v;
+ for (tokenNdx = localTokens.size() - 1, v = task.tokens.size() - 1;
+ tokenNdx >= 0 && v >= 0; ) {
+ final AppWindowToken atoken = localTokens.get(tokenNdx);
+ if (atoken.removed) {
+ --tokenNdx;
+ continue;
+ }
+ if (tokens.get(v) != atoken.token) {
+ break;
+ }
+ --tokenNdx;
+ v--;
+ }
+
+ if (tokenNdx >= 0 || v >= 0) {
+ break;
+ }
+ }
+
+ if (taskNdx >= 0 || t >= 0) {
+ Slog.w(TAG, "validateAppTokens: Mismatch! ActivityManager=" + tasks);
+ Slog.w(TAG, "validateAppTokens: Mismatch! WindowManager=" + localTasks);
+ Slog.w(TAG, "validateAppTokens: Mismatch! Callers=" + Debug.getCallers(4));
+ }
+ }
+ }
+
+ public void validateStackOrder(Integer[] remoteStackIds) {
+ // TODO:
+ }
+
+ boolean checkCallingPermission(String permission, String func) {
+ // Quick check: if the calling permission is me, it's all okay.
+ if (Binder.getCallingPid() == Process.myPid()) {
+ return true;
+ }
+
+ if (mContext.checkCallingPermission(permission)
+ == PackageManager.PERMISSION_GRANTED) {
+ return true;
+ }
+ String msg = "Permission Denial: " + func + " from pid="
+ + Binder.getCallingPid()
+ + ", uid=" + Binder.getCallingUid()
+ + " requires " + permission;
+ Slog.w(TAG, msg);
+ return false;
+ }
+
+ boolean okToDisplay() {
+ return !mDisplayFrozen && mDisplayEnabled && mPolicy.isScreenOn();
+ }
+
+ AppWindowToken findAppWindowToken(IBinder token) {
+ WindowToken wtoken = mTokenMap.get(token);
+ if (wtoken == null) {
+ return null;
+ }
+ return wtoken.appWindowToken;
+ }
+
+ @Override
+ public void addWindowToken(IBinder token, int type) {
+ if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS,
+ "addWindowToken()")) {
+ throw new SecurityException("Requires MANAGE_APP_TOKENS permission");
+ }
+
+ synchronized(mWindowMap) {
+ WindowToken wtoken = mTokenMap.get(token);
+ if (wtoken != null) {
+ Slog.w(TAG, "Attempted to add existing input method token: " + token);
+ return;
+ }
+ wtoken = new WindowToken(this, token, type, true);
+ mTokenMap.put(token, wtoken);
+ if (type == TYPE_WALLPAPER) {
+ mWallpaperTokens.add(wtoken);
+ }
+ }
+ }
+
+ @Override
+ public void removeWindowToken(IBinder token) {
+ if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS,
+ "removeWindowToken()")) {
+ throw new SecurityException("Requires MANAGE_APP_TOKENS permission");
+ }
+
+ final long origId = Binder.clearCallingIdentity();
+ synchronized(mWindowMap) {
+ DisplayContent displayContent = null;
+ WindowToken wtoken = mTokenMap.remove(token);
+ if (wtoken != null) {
+ boolean delayed = false;
+ if (!wtoken.hidden) {
+ final int N = wtoken.windows.size();
+ boolean changed = false;
+
+ for (int i=0; i<N; i++) {
+ WindowState win = wtoken.windows.get(i);
+ displayContent = win.getDisplayContent();
+
+ if (win.mWinAnimator.isAnimating()) {
+ delayed = true;
+ }
+
+ if (win.isVisibleNow()) {
+ win.mWinAnimator.applyAnimationLocked(WindowManagerPolicy.TRANSIT_EXIT,
+ false);
+ //TODO (multidisplay): Magnification is supported only for the default
+ if (mAccessibilityController != null && win.isDefaultDisplay()) {
+ mAccessibilityController.onWindowTransitionLocked(win,
+ WindowManagerPolicy.TRANSIT_EXIT);
+ }
+ changed = true;
+ if (displayContent != null) {
+ displayContent.layoutNeeded = true;
+ }
+ }
+ }
+
+ wtoken.hidden = true;
+
+ if (changed) {
+ performLayoutAndPlaceSurfacesLocked();
+ updateFocusedWindowLocked(UPDATE_FOCUS_NORMAL,
+ false /*updateInputWindows*/);
+ }
+
+ if (delayed) {
+ if (displayContent != null) {
+ displayContent.mExitingTokens.add(wtoken);
+ }
+ } else if (wtoken.windowType == TYPE_WALLPAPER) {
+ mWallpaperTokens.remove(wtoken);
+ }
+ }
+
+ mInputMonitor.updateInputWindowsLw(true /*force*/);
+ } else {
+ Slog.w(TAG, "Attempted to remove non-existing token: " + token);
+ }
+ }
+ Binder.restoreCallingIdentity(origId);
+ }
+
+ private Task createTask(int taskId, int stackId, int userId, AppWindowToken atoken) {
+ if (DEBUG_STACK) Slog.i(TAG, "createTask: taskId=" + taskId + " stackId=" + stackId
+ + " atoken=" + atoken);
+ final TaskStack stack = mStackIdToStack.get(stackId);
+ if (stack == null) {
+ throw new IllegalArgumentException("addAppToken: invalid stackId=" + stackId);
+ }
+ EventLog.writeEvent(EventLogTags.WM_TASK_CREATED, taskId, stackId);
+ Task task = new Task(atoken, stack, userId);
+ mTaskIdToTask.put(taskId, task);
+ stack.addTask(task, !atoken.mLaunchTaskBehind /* toTop */);
+ return task;
+ }
+
+ @Override
+ public void addAppToken(int addPos, IApplicationToken token, int taskId, int stackId,
+ int requestedOrientation, boolean fullscreen, boolean showWhenLocked, int userId,
+ int configChanges, boolean voiceInteraction, boolean launchTaskBehind) {
+ if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS,
+ "addAppToken()")) {
+ throw new SecurityException("Requires MANAGE_APP_TOKENS permission");
+ }
+
+ // Get the dispatching timeout here while we are not holding any locks so that it
+ // can be cached by the AppWindowToken. The timeout value is used later by the
+ // input dispatcher in code that does hold locks. If we did not cache the value
+ // here we would run the chance of introducing a deadlock between the window manager
+ // (which holds locks while updating the input dispatcher state) and the activity manager
+ // (which holds locks while querying the application token).
+ long inputDispatchingTimeoutNanos;
+ try {
+ inputDispatchingTimeoutNanos = token.getKeyDispatchingTimeout() * 1000000L;
+ } catch (RemoteException ex) {
+ Slog.w(TAG, "Could not get dispatching timeout.", ex);
+ inputDispatchingTimeoutNanos = DEFAULT_INPUT_DISPATCHING_TIMEOUT_NANOS;
+ }
+
+ synchronized(mWindowMap) {
+ AppWindowToken atoken = findAppWindowToken(token.asBinder());
+ if (atoken != null) {
+ Slog.w(TAG, "Attempted to add existing app token: " + token);
+ return;
+ }
+ atoken = new AppWindowToken(this, token, voiceInteraction);
+ atoken.inputDispatchingTimeoutNanos = inputDispatchingTimeoutNanos;
+ atoken.groupId = taskId;
+ atoken.appFullscreen = fullscreen;
+ atoken.showWhenLocked = showWhenLocked;
+ atoken.requestedOrientation = requestedOrientation;
+ atoken.layoutConfigChanges = (configChanges &
+ (ActivityInfo.CONFIG_SCREEN_SIZE | ActivityInfo.CONFIG_ORIENTATION)) != 0;
+ atoken.mLaunchTaskBehind = launchTaskBehind;
+ if (DEBUG_TOKEN_MOVEMENT || DEBUG_ADD_REMOVE) Slog.v(TAG, "addAppToken: " + atoken
+ + " to stack=" + stackId + " task=" + taskId + " at " + addPos);
+
+ Task task = mTaskIdToTask.get(taskId);
+ if (task == null) {
+ createTask(taskId, stackId, userId, atoken);
+ } else {
+ task.addAppToken(addPos, atoken);
+ }
+
+ mTokenMap.put(token.asBinder(), atoken);
+
+ // Application tokens start out hidden.
+ atoken.hidden = true;
+ atoken.hiddenRequested = true;
+
+ //dump();
+ }
+ }
+
+ @Override
+ public void setAppGroupId(IBinder token, int groupId) {
+ if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS,
+ "setAppGroupId()")) {
+ throw new SecurityException("Requires MANAGE_APP_TOKENS permission");
+ }
+
+ synchronized(mWindowMap) {
+ final AppWindowToken atoken = findAppWindowToken(token);
+ if (atoken == null) {
+ Slog.w(TAG, "Attempted to set group id of non-existing app token: " + token);
+ return;
+ }
+ final Task oldTask = mTaskIdToTask.get(atoken.groupId);
+ oldTask.removeAppToken(atoken);
+
+ atoken.groupId = groupId;
+ Task newTask = mTaskIdToTask.get(groupId);
+ if (newTask == null) {
+ newTask = createTask(groupId, oldTask.mStack.mStackId, oldTask.mUserId, atoken);
+ } else {
+ newTask.mAppTokens.add(atoken);
+ }
+ }
+ }
+
+ public int getOrientationFromWindowsLocked() {
+ if (mDisplayFrozen || mOpeningApps.size() > 0 || mClosingApps.size() > 0) {
+ // If the display is frozen, some activities may be in the middle
+ // of restarting, and thus have removed their old window. If the
+ // window has the flag to hide the lock screen, then the lock screen
+ // can re-appear and inflict its own orientation on us. Keep the
+ // orientation stable until this all settles down.
+ return mLastWindowForcedOrientation;
+ }
+
+ // TODO(multidisplay): Change to the correct display.
+ final WindowList windows = getDefaultWindowListLocked();
+ int pos = windows.size() - 1;
+ while (pos >= 0) {
+ WindowState win = windows.get(pos);
+ pos--;
+ if (win.mAppToken != null) {
+ // We hit an application window. so the orientation will be determined by the
+ // app window. No point in continuing further.
+ return (mLastWindowForcedOrientation=ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED);
+ }
+ if (!win.isVisibleLw() || !win.mPolicyVisibilityAfterAnim) {
+ continue;
+ }
+ int req = win.mAttrs.screenOrientation;
+ if((req == ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED) ||
+ (req == ActivityInfo.SCREEN_ORIENTATION_BEHIND)){
+ continue;
+ }
+
+ if (DEBUG_ORIENTATION) Slog.v(TAG, win + " forcing orientation to " + req);
+ return (mLastWindowForcedOrientation=req);
+ }
+ return (mLastWindowForcedOrientation=ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED);
+ }
+
+ public int getOrientationFromAppTokensLocked() {
+ int lastOrientation = ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
+ boolean findingBehind = false;
+ boolean lastFullscreen = false;
+ // TODO: Multi window.
+ DisplayContent displayContent = getDefaultDisplayContentLocked();
+ final ArrayList<Task> tasks = displayContent.getTasks();
+ for (int taskNdx = tasks.size() - 1; taskNdx >= 0; --taskNdx) {
+ AppTokenList tokens = tasks.get(taskNdx).mAppTokens;
+ final int firstToken = tokens.size() - 1;
+ for (int tokenNdx = firstToken; tokenNdx >= 0; --tokenNdx) {
+ final AppWindowToken atoken = tokens.get(tokenNdx);
+
+ if (DEBUG_APP_ORIENTATION) Slog.v(TAG, "Checking app orientation: " + atoken);
+
+ // if we're about to tear down this window and not seek for
+ // the behind activity, don't use it for orientation
+ if (!findingBehind
+ && (!atoken.hidden && atoken.hiddenRequested)) {
+ if (DEBUG_ORIENTATION) Slog.v(TAG, "Skipping " + atoken
+ + " -- going to hide");
+ continue;
+ }
+
+ if (tokenNdx == firstToken) {
+ // If we have hit a new Task, and the bottom
+ // of the previous group didn't explicitly say to use
+ // the orientation behind it, and the last app was
+ // full screen, then we'll stick with the
+ // user's orientation.
+ if (lastOrientation != ActivityInfo.SCREEN_ORIENTATION_BEHIND
+ && lastFullscreen) {
+ if (DEBUG_ORIENTATION) Slog.v(TAG, "Done at " + atoken
+ + " -- end of group, return " + lastOrientation);
+ return lastOrientation;
+ }
+ }
+
+ // We ignore any hidden applications on the top.
+ if (atoken.hiddenRequested || atoken.willBeHidden) {
+ if (DEBUG_ORIENTATION) Slog.v(TAG, "Skipping " + atoken
+ + " -- hidden on top");
+ continue;
+ }
+
+ if (tokenNdx == 0) {
+ // Last token in this task.
+ lastOrientation = atoken.requestedOrientation;
+ }
+
+ int or = atoken.requestedOrientation;
+ // If this application is fullscreen, and didn't explicitly say
+ // to use the orientation behind it, then just take whatever
+ // orientation it has and ignores whatever is under it.
+ lastFullscreen = atoken.appFullscreen;
+ if (lastFullscreen
+ && or != ActivityInfo.SCREEN_ORIENTATION_BEHIND) {
+ if (DEBUG_ORIENTATION) Slog.v(TAG, "Done at " + atoken
+ + " -- full screen, return " + or);
+ return or;
+ }
+ // If this application has requested an explicit orientation,
+ // then use it.
+ if (or != ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED
+ && or != ActivityInfo.SCREEN_ORIENTATION_BEHIND) {
+ if (DEBUG_ORIENTATION) Slog.v(TAG, "Done at " + atoken
+ + " -- explicitly set, return " + or);
+ return or;
+ }
+ findingBehind |= (or == ActivityInfo.SCREEN_ORIENTATION_BEHIND);
+ }
+ }
+ if (DEBUG_ORIENTATION) Slog.v(TAG, "No app is requesting an orientation");
+ return ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
+ }
+
+ @Override
+ public Configuration updateOrientationFromAppTokens(
+ Configuration currentConfig, IBinder freezeThisOneIfNeeded) {
+ if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS,
+ "updateOrientationFromAppTokens()")) {
+ throw new SecurityException("Requires MANAGE_APP_TOKENS permission");
+ }
+
+ Configuration config = null;
+ long ident = Binder.clearCallingIdentity();
+
+ synchronized(mWindowMap) {
+ config = updateOrientationFromAppTokensLocked(currentConfig,
+ freezeThisOneIfNeeded);
+ }
+
+ Binder.restoreCallingIdentity(ident);
+ return config;
+ }
+
+ private Configuration updateOrientationFromAppTokensLocked(
+ Configuration currentConfig, IBinder freezeThisOneIfNeeded) {
+ Configuration config = null;
+
+ if (updateOrientationFromAppTokensLocked(false)) {
+ if (freezeThisOneIfNeeded != null) {
+ AppWindowToken atoken = findAppWindowToken(freezeThisOneIfNeeded);
+ if (atoken != null) {
+ startAppFreezingScreenLocked(atoken);
+ }
+ }
+ config = computeNewConfigurationLocked();
+
+ } else if (currentConfig != null) {
+ // No obvious action we need to take, but if our current
+ // state mismatches the activity manager's, update it,
+ // disregarding font scale, which should remain set to
+ // the value of the previous configuration.
+ mTempConfiguration.setToDefaults();
+ mTempConfiguration.fontScale = currentConfig.fontScale;
+ if (computeScreenConfigurationLocked(mTempConfiguration)) {
+ if (currentConfig.diff(mTempConfiguration) != 0) {
+ mWaitingForConfig = true;
+ final DisplayContent displayContent = getDefaultDisplayContentLocked();
+ displayContent.layoutNeeded = true;
+ int anim[] = new int[2];
+ if (displayContent.isDimming()) {
+ anim[0] = anim[1] = 0;
+ } else {
+ mPolicy.selectRotationAnimationLw(anim);
+ }
+ startFreezingDisplayLocked(false, anim[0], anim[1]);
+ config = new Configuration(mTempConfiguration);
+ }
+ }
+ }
+
+ return config;
+ }
+
+ /*
+ * Determine the new desired orientation of the display, returning
+ * a non-null new Configuration if it has changed from the current
+ * orientation. IF TRUE IS RETURNED SOMEONE MUST CALL
+ * setNewConfiguration() TO TELL THE WINDOW MANAGER IT CAN UNFREEZE THE
+ * SCREEN. This will typically be done for you if you call
+ * sendNewConfiguration().
+ *
+ * The orientation is computed from non-application windows first. If none of
+ * the non-application windows specify orientation, the orientation is computed from
+ * application tokens.
+ * @see android.view.IWindowManager#updateOrientationFromAppTokens(
+ * android.os.IBinder)
+ */
+ boolean updateOrientationFromAppTokensLocked(boolean inTransaction) {
+ long ident = Binder.clearCallingIdentity();
+ try {
+ int req = getOrientationFromWindowsLocked();
+ if (req == ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED) {
+ req = getOrientationFromAppTokensLocked();
+ }
+
+ if (req != mForcedAppOrientation) {
+ mForcedAppOrientation = req;
+ //send a message to Policy indicating orientation change to take
+ //action like disabling/enabling sensors etc.,
+ mPolicy.setCurrentOrientationLw(req);
+ if (updateRotationUncheckedLocked(inTransaction)) {
+ // changed
+ return true;
+ }
+ }
+
+ return false;
+ } finally {
+ Binder.restoreCallingIdentity(ident);
+ }
+ }
+
+ @Override
+ public void setNewConfiguration(Configuration config) {
+ if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS,
+ "setNewConfiguration()")) {
+ throw new SecurityException("Requires MANAGE_APP_TOKENS permission");
+ }
+
+ synchronized(mWindowMap) {
+ mCurConfiguration = new Configuration(config);
+ if (mWaitingForConfig) {
+ mWaitingForConfig = false;
+ mLastFinishedFreezeSource = "new-config";
+ }
+ performLayoutAndPlaceSurfacesLocked();
+ }
+ }
+
+ @Override
+ public void setAppOrientation(IApplicationToken token, int requestedOrientation) {
+ if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS,
+ "setAppOrientation()")) {
+ throw new SecurityException("Requires MANAGE_APP_TOKENS permission");
+ }
+
+ synchronized(mWindowMap) {
+ AppWindowToken atoken = findAppWindowToken(token.asBinder());
+ if (atoken == null) {
+ Slog.w(TAG, "Attempted to set orientation of non-existing app token: " + token);
+ return;
+ }
+
+ atoken.requestedOrientation = requestedOrientation;
+ }
+ }
+
+ @Override
+ public int getAppOrientation(IApplicationToken token) {
+ synchronized(mWindowMap) {
+ AppWindowToken wtoken = findAppWindowToken(token.asBinder());
+ if (wtoken == null) {
+ return ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
+ }
+
+ return wtoken.requestedOrientation;
+ }
+ }
+
+ /** Call while in a Surface transaction. */
+ void setFocusedStackLayer() {
+ mFocusedStackLayer = 0;
+ if (mFocusedApp != null) {
+ final WindowList windows = mFocusedApp.allAppWindows;
+ for (int i = windows.size() - 1; i >= 0; --i) {
+ final WindowState win = windows.get(i);
+ final int animLayer = win.mWinAnimator.mAnimLayer;
+ if (win.mAttachedWindow == null && win.isVisibleLw() &&
+ animLayer > mFocusedStackLayer) {
+ mFocusedStackLayer = animLayer + LAYER_OFFSET_FOCUSED_STACK;
+ }
+ }
+ }
+ if (DEBUG_LAYERS) Slog.v(TAG, "Setting FocusedStackFrame to layer=" +
+ mFocusedStackLayer);
+ mFocusedStackFrame.setLayer(mFocusedStackLayer);
+ }
+
+ void setFocusedStackFrame() {
+ final TaskStack stack;
+ if (mFocusedApp != null) {
+ Task task = mTaskIdToTask.get(mFocusedApp.groupId);
+ stack = task.mStack;
+ final DisplayContent displayContent = task.getDisplayContent();
+ if (displayContent != null) {
+ displayContent.setTouchExcludeRegion(stack);
+ }
+ } else {
+ stack = null;
+ }
+ if (SHOW_LIGHT_TRANSACTIONS) Slog.i(TAG, ">>> OPEN TRANSACTION setFocusedStackFrame");
+ SurfaceControl.openTransaction();
+ try {
+ if (stack == null) {
+ mFocusedStackFrame.setVisibility(false);
+ } else {
+ mFocusedStackFrame.setBounds(stack);
+ final boolean multipleStacks = !stack.isFullscreen();
+ mFocusedStackFrame.setVisibility(multipleStacks);
+ }
+ } finally {
+ SurfaceControl.closeTransaction();
+ if (SHOW_LIGHT_TRANSACTIONS) Slog.i(TAG, ">>> CLOSE TRANSACTION setFocusedStackFrame");
+ }
+ }
+
+ @Override
+ public void setFocusedApp(IBinder token, boolean moveFocusNow) {
+ if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS,
+ "setFocusedApp()")) {
+ throw new SecurityException("Requires MANAGE_APP_TOKENS permission");
+ }
+
+ synchronized(mWindowMap) {
+ final AppWindowToken newFocus;
+ if (token == null) {
+ if (DEBUG_FOCUS_LIGHT) Slog.v(TAG, "Clearing focused app, was " + mFocusedApp);
+ newFocus = null;
+ } else {
+ newFocus = findAppWindowToken(token);
+ if (newFocus == null) {
+ Slog.w(TAG, "Attempted to set focus to non-existing app token: " + token);
+ }
+ if (DEBUG_FOCUS_LIGHT) Slog.v(TAG, "Set focused app to: " + newFocus
+ + " old focus=" + mFocusedApp + " moveFocusNow=" + moveFocusNow);
+ }
+
+ final boolean changed = mFocusedApp != newFocus;
+ if (changed) {
+ mFocusedApp = newFocus;
+ mInputMonitor.setFocusedAppLw(newFocus);
+ }
+
+ if (moveFocusNow && changed) {
+ final long origId = Binder.clearCallingIdentity();
+ updateFocusedWindowLocked(UPDATE_FOCUS_NORMAL, true /*updateInputWindows*/);
+ Binder.restoreCallingIdentity(origId);
+ }
+ }
+ }
+
+ @Override
+ public void prepareAppTransition(int transit, boolean alwaysKeepCurrent) {
+ if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS,
+ "prepareAppTransition()")) {
+ throw new SecurityException("Requires MANAGE_APP_TOKENS permission");
+ }
+
+ synchronized(mWindowMap) {
+ if (DEBUG_APP_TRANSITIONS) Slog.v(
+ TAG, "Prepare app transition: transit=" + transit
+ + " " + mAppTransition
+ + " alwaysKeepCurrent=" + alwaysKeepCurrent
+ + " Callers=" + Debug.getCallers(3));
+ if (!mAppTransition.isTransitionSet() || mAppTransition.isTransitionNone()) {
+ mAppTransition.setAppTransition(transit);
+ } else if (!alwaysKeepCurrent) {
+ if (transit == AppTransition.TRANSIT_TASK_OPEN
+ && mAppTransition.isTransitionEqual(
+ AppTransition.TRANSIT_TASK_CLOSE)) {
+ // Opening a new task always supersedes a close for the anim.
+ mAppTransition.setAppTransition(transit);
+ } else if (transit == AppTransition.TRANSIT_ACTIVITY_OPEN
+ && mAppTransition.isTransitionEqual(
+ AppTransition.TRANSIT_ACTIVITY_CLOSE)) {
+ // Opening a new activity always supersedes a close for the anim.
+ mAppTransition.setAppTransition(transit);
+ }
+ }
+ if (okToDisplay()) {
+ mAppTransition.prepare();
+ mStartingIconInTransition = false;
+ mSkipAppTransitionAnimation = false;
+ mH.removeMessages(H.APP_TRANSITION_TIMEOUT);
+ mH.sendEmptyMessageDelayed(H.APP_TRANSITION_TIMEOUT, 5000);
+ }
+ }
+ }
+
+ @Override
+ public int getPendingAppTransition() {
+ return mAppTransition.getAppTransition();
+ }
+
+ @Override
+ public void overridePendingAppTransition(String packageName,
+ int enterAnim, int exitAnim, IRemoteCallback startedCallback) {
+ synchronized(mWindowMap) {
+ mAppTransition.overridePendingAppTransition(packageName, enterAnim, exitAnim,
+ startedCallback);
+ }
+ }
+
+ @Override
+ public void overridePendingAppTransitionScaleUp(int startX, int startY, int startWidth,
+ int startHeight) {
+ synchronized(mWindowMap) {
+ mAppTransition.overridePendingAppTransitionScaleUp(startX, startY, startWidth,
+ startHeight);
+ }
+ }
+
+ @Override
+ public void overridePendingAppTransitionThumb(Bitmap srcThumb, int startX,
+ int startY, IRemoteCallback startedCallback, boolean scaleUp) {
+ synchronized(mWindowMap) {
+ mAppTransition.overridePendingAppTransitionThumb(srcThumb, startX, startY,
+ startedCallback, scaleUp);
+ }
+ }
+
+ @Override
+ public void overridePendingAppTransitionAspectScaledThumb(Bitmap srcThumb, int startX,
+ int startY, int targetWidth, int targetHeight, IRemoteCallback startedCallback,
+ boolean scaleUp) {
+ synchronized(mWindowMap) {
+ mAppTransition.overridePendingAppTransitionAspectScaledThumb(srcThumb, startX,
+ startY, targetWidth, targetHeight, startedCallback, scaleUp);
+ }
+ }
+
+ @Override
+ public void executeAppTransition() {
+ if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS,
+ "executeAppTransition()")) {
+ throw new SecurityException("Requires MANAGE_APP_TOKENS permission");
+ }
+
+ synchronized(mWindowMap) {
+ if (DEBUG_APP_TRANSITIONS) Slog.w(TAG, "Execute app transition: " + mAppTransition,
+ new RuntimeException("here").fillInStackTrace());
+ if (mAppTransition.isTransitionSet()) {
+ mAppTransition.setReady();
+ final long origId = Binder.clearCallingIdentity();
+ try {
+ performLayoutAndPlaceSurfacesLocked();
+ } finally {
+ Binder.restoreCallingIdentity(origId);
+ }
+ }
+ }
+ }
+
+ @Override
+ public void setAppStartingWindow(IBinder token, String pkg,
+ int theme, CompatibilityInfo compatInfo,
+ CharSequence nonLocalizedLabel, int labelRes, int icon, int logo,
+ int windowFlags, IBinder transferFrom, boolean createIfNeeded) {
+ if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS,
+ "setAppStartingWindow()")) {
+ throw new SecurityException("Requires MANAGE_APP_TOKENS permission");
+ }
+
+ synchronized(mWindowMap) {
+ if (DEBUG_STARTING_WINDOW) Slog.v(
+ TAG, "setAppStartingWindow: token=" + token + " pkg=" + pkg
+ + " transferFrom=" + transferFrom);
+
+ AppWindowToken wtoken = findAppWindowToken(token);
+ if (wtoken == null) {
+ Slog.w(TAG, "Attempted to set icon of non-existing app token: " + token);
+ return;
+ }
+
+ // If the display is frozen, we won't do anything until the
+ // actual window is displayed so there is no reason to put in
+ // the starting window.
+ if (!okToDisplay()) {
+ return;
+ }
+
+ if (wtoken.startingData != null) {
+ return;
+ }
+
+ if (transferFrom != null) {
+ AppWindowToken ttoken = findAppWindowToken(transferFrom);
+ if (ttoken != null) {
+ WindowState startingWindow = ttoken.startingWindow;
+ if (startingWindow != null) {
+ if (mStartingIconInTransition) {
+ // In this case, the starting icon has already
+ // been displayed, so start letting windows get
+ // shown immediately without any more transitions.
+ mSkipAppTransitionAnimation = true;
+ }
+ if (DEBUG_STARTING_WINDOW) Slog.v(TAG,
+ "Moving existing starting " + startingWindow + " from " + ttoken
+ + " to " + wtoken);
+ final long origId = Binder.clearCallingIdentity();
+
+ // Transfer the starting window over to the new
+ // token.
+ wtoken.startingData = ttoken.startingData;
+ wtoken.startingView = ttoken.startingView;
+ wtoken.startingDisplayed = ttoken.startingDisplayed;
+ ttoken.startingDisplayed = false;
+ wtoken.startingWindow = startingWindow;
+ wtoken.reportedVisible = ttoken.reportedVisible;
+ ttoken.startingData = null;
+ ttoken.startingView = null;
+ ttoken.startingWindow = null;
+ ttoken.startingMoved = true;
+ startingWindow.mToken = wtoken;
+ startingWindow.mRootToken = wtoken;
+ startingWindow.mAppToken = wtoken;
+ startingWindow.mWinAnimator.mAppAnimator = wtoken.mAppAnimator;
+
+ if (DEBUG_WINDOW_MOVEMENT || DEBUG_ADD_REMOVE || DEBUG_STARTING_WINDOW) {
+ Slog.v(TAG, "Removing starting window: " + startingWindow);
+ }
+ startingWindow.getWindowList().remove(startingWindow);
+ mWindowsChanged = true;
+ if (DEBUG_ADD_REMOVE) Slog.v(TAG,
+ "Removing starting " + startingWindow + " from " + ttoken);
+ ttoken.windows.remove(startingWindow);
+ ttoken.allAppWindows.remove(startingWindow);
+ addWindowToListInOrderLocked(startingWindow, true);
+
+ // Propagate other interesting state between the
+ // tokens. If the old token is displayed, we should
+ // immediately force the new one to be displayed. If
+ // it is animating, we need to move that animation to
+ // the new one.
+ if (ttoken.allDrawn) {
+ wtoken.allDrawn = true;
+ wtoken.deferClearAllDrawn = ttoken.deferClearAllDrawn;
+ }
+ if (ttoken.firstWindowDrawn) {
+ wtoken.firstWindowDrawn = true;
+ }
+ if (!ttoken.hidden) {
+ wtoken.hidden = false;
+ wtoken.hiddenRequested = false;
+ wtoken.willBeHidden = false;
+ }
+ if (wtoken.clientHidden != ttoken.clientHidden) {
+ wtoken.clientHidden = ttoken.clientHidden;
+ wtoken.sendAppVisibilityToClients();
+ }
+ final AppWindowAnimator tAppAnimator = ttoken.mAppAnimator;
+ final AppWindowAnimator wAppAnimator = wtoken.mAppAnimator;
+ if (tAppAnimator.animation != null) {
+ wAppAnimator.animation = tAppAnimator.animation;
+ wAppAnimator.animating = tAppAnimator.animating;
+ wAppAnimator.animLayerAdjustment = tAppAnimator.animLayerAdjustment;
+ tAppAnimator.animation = null;
+ tAppAnimator.animLayerAdjustment = 0;
+ wAppAnimator.updateLayers();
+ tAppAnimator.updateLayers();
+ }
+
+ updateFocusedWindowLocked(UPDATE_FOCUS_WILL_PLACE_SURFACES,
+ true /*updateInputWindows*/);
+ getDefaultDisplayContentLocked().layoutNeeded = true;
+ performLayoutAndPlaceSurfacesLocked();
+ Binder.restoreCallingIdentity(origId);
+ return;
+ } else if (ttoken.startingData != null) {
+ // The previous app was getting ready to show a
+ // starting window, but hasn't yet done so. Steal it!
+ if (DEBUG_STARTING_WINDOW) Slog.v(TAG,
+ "Moving pending starting from " + ttoken
+ + " to " + wtoken);
+ wtoken.startingData = ttoken.startingData;
+ ttoken.startingData = null;
+ ttoken.startingMoved = true;
+ Message m = mH.obtainMessage(H.ADD_STARTING, wtoken);
+ // Note: we really want to do sendMessageAtFrontOfQueue() because we
+ // want to process the message ASAP, before any other queued
+ // messages.
+ mH.sendMessageAtFrontOfQueue(m);
+ return;
+ }
+ final AppWindowAnimator tAppAnimator = ttoken.mAppAnimator;
+ final AppWindowAnimator wAppAnimator = wtoken.mAppAnimator;
+ if (tAppAnimator.thumbnail != null) {
+ // The old token is animating with a thumbnail, transfer
+ // that to the new token.
+ if (wAppAnimator.thumbnail != null) {
+ wAppAnimator.thumbnail.destroy();
+ }
+ wAppAnimator.thumbnail = tAppAnimator.thumbnail;
+ wAppAnimator.thumbnailX = tAppAnimator.thumbnailX;
+ wAppAnimator.thumbnailY = tAppAnimator.thumbnailY;
+ wAppAnimator.thumbnailLayer = tAppAnimator.thumbnailLayer;
+ wAppAnimator.thumbnailAnimation = tAppAnimator.thumbnailAnimation;
+ tAppAnimator.thumbnail = null;
+ }
+ }
+ }
+
+ // There is no existing starting window, and the caller doesn't
+ // want us to create one, so that's it!
+ if (!createIfNeeded) {
+ return;
+ }
+
+ // If this is a translucent window, then don't
+ // show a starting window -- the current effect (a full-screen
+ // opaque starting window that fades away to the real contents
+ // when it is ready) does not work for this.
+ if (DEBUG_STARTING_WINDOW) Slog.v(TAG, "Checking theme of starting window: 0x"
+ + Integer.toHexString(theme));
+ if (theme != 0) {
+ AttributeCache.Entry ent = AttributeCache.instance().get(pkg, theme,
+ com.android.internal.R.styleable.Window, mCurrentUserId);
+ if (ent == null) {
+ // Whoops! App doesn't exist. Um. Okay. We'll just
+ // pretend like we didn't see that.
+ return;
+ }
+ if (DEBUG_STARTING_WINDOW) Slog.v(TAG, "Translucent="
+ + ent.array.getBoolean(
+ com.android.internal.R.styleable.Window_windowIsTranslucent, false)
+ + " Floating="
+ + ent.array.getBoolean(
+ com.android.internal.R.styleable.Window_windowIsFloating, false)
+ + " ShowWallpaper="
+ + ent.array.getBoolean(
+ com.android.internal.R.styleable.Window_windowShowWallpaper, false));
+ if (ent.array.getBoolean(
+ com.android.internal.R.styleable.Window_windowIsTranslucent, false)) {
+ return;
+ }
+ if (ent.array.getBoolean(
+ com.android.internal.R.styleable.Window_windowIsFloating, false)) {
+ return;
+ }
+ if (ent.array.getBoolean(
+ com.android.internal.R.styleable.Window_windowShowWallpaper, false)) {
+ if (mWallpaperTarget == null) {
+ // If this theme is requesting a wallpaper, and the wallpaper
+ // is not curently visible, then this effectively serves as
+ // an opaque window and our starting window transition animation
+ // can still work. We just need to make sure the starting window
+ // is also showing the wallpaper.
+ windowFlags |= FLAG_SHOW_WALLPAPER;
+ } else {
+ return;
+ }
+ }
+ }
+
+ if (DEBUG_STARTING_WINDOW) Slog.v(TAG, "Creating StartingData");
+ mStartingIconInTransition = true;
+ wtoken.startingData = new StartingData(pkg, theme, compatInfo, nonLocalizedLabel,
+ labelRes, icon, logo, windowFlags);
+ Message m = mH.obtainMessage(H.ADD_STARTING, wtoken);
+ // Note: we really want to do sendMessageAtFrontOfQueue() because we
+ // want to process the message ASAP, before any other queued
+ // messages.
+ if (DEBUG_STARTING_WINDOW) Slog.v(TAG, "Enqueueing ADD_STARTING");
+ mH.sendMessageAtFrontOfQueue(m);
+ }
+ }
+
+ public void removeAppStartingWindow(IBinder token) {
+ synchronized (mWindowMap) {
+ AppWindowToken wtoken = mTokenMap.get(token).appWindowToken;
+ if (wtoken.startingWindow != null) {
+ scheduleRemoveStartingWindowLocked(wtoken);
+ }
+ }
+ }
+
+ @Override
+ public void setAppWillBeHidden(IBinder token) {
+ if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS,
+ "setAppWillBeHidden()")) {
+ throw new SecurityException("Requires MANAGE_APP_TOKENS permission");
+ }
+
+ AppWindowToken wtoken;
+
+ synchronized(mWindowMap) {
+ wtoken = findAppWindowToken(token);
+ if (wtoken == null) {
+ Slog.w(TAG, "Attempted to set will be hidden of non-existing app token: " + token);
+ return;
+ }
+ wtoken.willBeHidden = true;
+ }
+ }
+
+ public void setAppFullscreen(IBinder token, boolean toOpaque) {
+ synchronized (mWindowMap) {
+ AppWindowToken atoken = findAppWindowToken(token);
+ if (atoken != null) {
+ atoken.appFullscreen = toOpaque;
+ setWindowOpaqueLocked(token, toOpaque);
+ requestTraversalLocked();
+ }
+ }
+ }
+
+ public void setWindowOpaque(IBinder token, boolean isOpaque) {
+ synchronized (mWindowMap) {
+ setWindowOpaqueLocked(token, isOpaque);
+ }
+ }
+
+ public void setWindowOpaqueLocked(IBinder token, boolean isOpaque) {
+ AppWindowToken wtoken = findAppWindowToken(token);
+ if (wtoken != null) {
+ WindowState win = wtoken.findMainWindow();
+ if (win != null) {
+ win.mWinAnimator.setOpaqueLocked(isOpaque);
+ }
+ }
+ }
+
+ boolean setTokenVisibilityLocked(AppWindowToken wtoken, WindowManager.LayoutParams lp,
+ boolean visible, int transit, boolean performLayout, boolean isVoiceInteraction) {
+ boolean delayed = false;
+
+ if (wtoken.clientHidden == visible) {
+ wtoken.clientHidden = !visible;
+ wtoken.sendAppVisibilityToClients();
+ }
+
+ wtoken.willBeHidden = false;
+ if (wtoken.hidden == visible) {
+ boolean changed = false;
+ if (DEBUG_APP_TRANSITIONS) Slog.v(
+ TAG, "Changing app " + wtoken + " hidden=" + wtoken.hidden
+ + " performLayout=" + performLayout);
+
+ boolean runningAppAnimation = false;
+
+ if (transit != AppTransition.TRANSIT_UNSET) {
+ if (wtoken.mAppAnimator.animation == AppWindowAnimator.sDummyAnimation) {
+ wtoken.mAppAnimator.animation = null;
+ }
+ if (applyAnimationLocked(wtoken, lp, transit, visible, isVoiceInteraction)) {
+ delayed = runningAppAnimation = true;
+ }
+ WindowState window = wtoken.findMainWindow();
+ //TODO (multidisplay): Magnification is supported only for the default display.
+ if (window != null && mAccessibilityController != null
+ && window.getDisplayId() == Display.DEFAULT_DISPLAY) {
+ mAccessibilityController.onAppWindowTransitionLocked(window, transit);
+ }
+ changed = true;
+ }
+
+ final int N = wtoken.allAppWindows.size();
+ for (int i=0; i<N; i++) {
+ WindowState win = wtoken.allAppWindows.get(i);
+ if (win == wtoken.startingWindow) {
+ continue;
+ }
+
+ //Slog.i(TAG, "Window " + win + ": vis=" + win.isVisible());
+ //win.dump(" ");
+ if (visible) {
+ if (!win.isVisibleNow()) {
+ if (!runningAppAnimation) {
+ win.mWinAnimator.applyAnimationLocked(
+ WindowManagerPolicy.TRANSIT_ENTER, true);
+ //TODO (multidisplay): Magnification is supported only for the default
+ if (mAccessibilityController != null
+ && win.getDisplayId() == Display.DEFAULT_DISPLAY) {
+ mAccessibilityController.onWindowTransitionLocked(win,
+ WindowManagerPolicy.TRANSIT_ENTER);
+ }
+ }
+ changed = true;
+ final DisplayContent displayContent = win.getDisplayContent();
+ if (displayContent != null) {
+ displayContent.layoutNeeded = true;
+ }
+ }
+ } else if (win.isVisibleNow()) {
+ if (!runningAppAnimation) {
+ win.mWinAnimator.applyAnimationLocked(
+ WindowManagerPolicy.TRANSIT_EXIT, false);
+ //TODO (multidisplay): Magnification is supported only for the default
+ if (mAccessibilityController != null
+ && win.getDisplayId() == Display.DEFAULT_DISPLAY) {
+ mAccessibilityController.onWindowTransitionLocked(win,
+ WindowManagerPolicy.TRANSIT_EXIT);
+ }
+ }
+ changed = true;
+ final DisplayContent displayContent = win.getDisplayContent();
+ if (displayContent != null) {
+ displayContent.layoutNeeded = true;
+ }
+ }
+ }
+
+ wtoken.hidden = wtoken.hiddenRequested = !visible;
+ if (!visible) {
+ unsetAppFreezingScreenLocked(wtoken, true, true);
+ } else {
+ // If we are being set visible, and the starting window is
+ // not yet displayed, then make sure it doesn't get displayed.
+ WindowState swin = wtoken.startingWindow;
+ if (swin != null && !swin.isDrawnLw()) {
+ swin.mPolicyVisibility = false;
+ swin.mPolicyVisibilityAfterAnim = false;
+ }
+ }
+
+ if (DEBUG_APP_TRANSITIONS) Slog.v(TAG, "setTokenVisibilityLocked: " + wtoken
+ + ": hidden=" + wtoken.hidden + " hiddenRequested="
+ + wtoken.hiddenRequested);
+
+ if (changed) {
+ mInputMonitor.setUpdateInputWindowsNeededLw();
+ if (performLayout) {
+ updateFocusedWindowLocked(UPDATE_FOCUS_WILL_PLACE_SURFACES,
+ false /*updateInputWindows*/);
+ performLayoutAndPlaceSurfacesLocked();
+ }
+ mInputMonitor.updateInputWindowsLw(false /*force*/);
+ }
+ }
+
+ if (wtoken.mAppAnimator.animation != null) {
+ delayed = true;
+ }
+
+ for (int i = wtoken.allAppWindows.size() - 1; i >= 0 && !delayed; i--) {
+ if (wtoken.allAppWindows.get(i).mWinAnimator.isWindowAnimating()) {
+ delayed = true;
+ }
+ }
+
+ return delayed;
+ }
+
+ @Override
+ public void setAppVisibility(IBinder token, boolean visible) {
+ if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS,
+ "setAppVisibility()")) {
+ throw new SecurityException("Requires MANAGE_APP_TOKENS permission");
+ }
+
+ AppWindowToken wtoken;
+
+ synchronized(mWindowMap) {
+ wtoken = findAppWindowToken(token);
+ if (wtoken == null) {
+ Slog.w(TAG, "Attempted to set visibility of non-existing app token: " + token);
+ return;
+ }
+
+ if (DEBUG_APP_TRANSITIONS || DEBUG_ORIENTATION) Slog.v(TAG, "setAppVisibility(" +
+ token + ", visible=" + visible + "): " + mAppTransition +
+ " hidden=" + wtoken.hidden + " hiddenRequested=" +
+ wtoken.hiddenRequested, HIDE_STACK_CRAWLS ?
+ null : new RuntimeException("here").fillInStackTrace());
+
+ // If we are preparing an app transition, then delay changing
+ // the visibility of this token until we execute that transition.
+ if (okToDisplay() && mAppTransition.isTransitionSet()) {
+ wtoken.hiddenRequested = !visible;
+
+ if (!wtoken.startingDisplayed) {
+ if (DEBUG_APP_TRANSITIONS) Slog.v(
+ TAG, "Setting dummy animation on: " + wtoken);
+ wtoken.mAppAnimator.setDummyAnimation();
+ }
+ mOpeningApps.remove(wtoken);
+ mClosingApps.remove(wtoken);
+ wtoken.waitingToShow = wtoken.waitingToHide = false;
+ wtoken.inPendingTransaction = true;
+ if (visible) {
+ mOpeningApps.add(wtoken);
+ wtoken.startingMoved = false;
+ wtoken.mEnteringAnimation = true;
+
+ // If the token is currently hidden (should be the
+ // common case), then we need to set up to wait for
+ // its windows to be ready.
+ if (wtoken.hidden) {
+ wtoken.allDrawn = false;
+ wtoken.deferClearAllDrawn = false;
+ wtoken.waitingToShow = true;
+
+ if (wtoken.clientHidden) {
+ // In the case where we are making an app visible
+ // but holding off for a transition, we still need
+ // to tell the client to make its windows visible so
+ // they get drawn. Otherwise, we will wait on
+ // performing the transition until all windows have
+ // been drawn, they never will be, and we are sad.
+ wtoken.clientHidden = false;
+ wtoken.sendAppVisibilityToClients();
+ }
+ }
+ } else {
+ mClosingApps.add(wtoken);
+ wtoken.mEnteringAnimation = false;
+
+ // If the token is currently visible (should be the
+ // common case), then set up to wait for it to be hidden.
+ if (!wtoken.hidden) {
+ wtoken.waitingToHide = true;
+ }
+ }
+ if (mAppTransition.getAppTransition() == AppTransition.TRANSIT_TASK_OPEN_BEHIND) {
+ // We're launchingBehind, add the launching activity to mOpeningApps.
+ final WindowState win =
+ findFocusedWindowLocked(getDefaultDisplayContentLocked());
+ if (win != null) {
+ final AppWindowToken focusedToken = win.mAppToken;
+ if (focusedToken != null) {
+ if (DEBUG_APP_TRANSITIONS) Slog.d(TAG, "TRANSIT_TASK_OPEN_BEHIND, " +
+ " adding " + focusedToken + " to mOpeningApps");
+ // Force animation to be loaded.
+ focusedToken.hidden = true;
+ mOpeningApps.add(focusedToken);
+ }
+ }
+ }
+ return;
+ }
+
+ final long origId = Binder.clearCallingIdentity();
+ setTokenVisibilityLocked(wtoken, null, visible, AppTransition.TRANSIT_UNSET,
+ true, wtoken.voiceInteraction);
+ wtoken.updateReportedVisibilityLocked();
+ Binder.restoreCallingIdentity(origId);
+ }
+ }
+
+ void unsetAppFreezingScreenLocked(AppWindowToken wtoken,
+ boolean unfreezeSurfaceNow, boolean force) {
+ if (wtoken.mAppAnimator.freezingScreen) {
+ if (DEBUG_ORIENTATION) Slog.v(TAG, "Clear freezing of " + wtoken
+ + " force=" + force);
+ final int N = wtoken.allAppWindows.size();
+ boolean unfrozeWindows = false;
+ for (int i=0; i<N; i++) {
+ WindowState w = wtoken.allAppWindows.get(i);
+ if (w.mAppFreezing) {
+ w.mAppFreezing = false;
+ if (w.mHasSurface && !w.mOrientationChanging) {
+ if (DEBUG_ORIENTATION) Slog.v(TAG, "set mOrientationChanging of " + w);
+ w.mOrientationChanging = true;
+ mInnerFields.mOrientationChangeComplete = false;
+ }
+ w.mLastFreezeDuration = 0;
+ unfrozeWindows = true;
+ final DisplayContent displayContent = w.getDisplayContent();
+ if (displayContent != null) {
+ displayContent.layoutNeeded = true;
+ }
+ }
+ }
+ if (force || unfrozeWindows) {
+ if (DEBUG_ORIENTATION) Slog.v(TAG, "No longer freezing: " + wtoken);
+ wtoken.mAppAnimator.freezingScreen = false;
+ wtoken.mAppAnimator.lastFreezeDuration = (int)(SystemClock.elapsedRealtime()
+ - mDisplayFreezeTime);
+ mAppsFreezingScreen--;
+ mLastFinishedFreezeSource = wtoken;
+ }
+ if (unfreezeSurfaceNow) {
+ if (unfrozeWindows) {
+ performLayoutAndPlaceSurfacesLocked();
+ }
+ stopFreezingDisplayLocked();
+ }
+ }
+ }
+
+ private void startAppFreezingScreenLocked(AppWindowToken wtoken) {
+ if (DEBUG_ORIENTATION) {
+ RuntimeException e = null;
+ if (!HIDE_STACK_CRAWLS) {
+ e = new RuntimeException();
+ e.fillInStackTrace();
+ }
+ Slog.i(TAG, "Set freezing of " + wtoken.appToken
+ + ": hidden=" + wtoken.hidden + " freezing="
+ + wtoken.mAppAnimator.freezingScreen, e);
+ }
+ if (!wtoken.hiddenRequested) {
+ if (!wtoken.mAppAnimator.freezingScreen) {
+ wtoken.mAppAnimator.freezingScreen = true;
+ wtoken.mAppAnimator.lastFreezeDuration = 0;
+ mAppsFreezingScreen++;
+ if (mAppsFreezingScreen == 1) {
+ startFreezingDisplayLocked(false, 0, 0);
+ mH.removeMessages(H.APP_FREEZE_TIMEOUT);
+ mH.sendEmptyMessageDelayed(H.APP_FREEZE_TIMEOUT, 5000);
+ }
+ }
+ final int N = wtoken.allAppWindows.size();
+ for (int i=0; i<N; i++) {
+ WindowState w = wtoken.allAppWindows.get(i);
+ w.mAppFreezing = true;
+ }
+ }
+ }
+
+ @Override
+ public void startAppFreezingScreen(IBinder token, int configChanges) {
+ if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS,
+ "setAppFreezingScreen()")) {
+ throw new SecurityException("Requires MANAGE_APP_TOKENS permission");
+ }
+
+ synchronized(mWindowMap) {
+ if (configChanges == 0 && okToDisplay()) {
+ if (DEBUG_ORIENTATION) Slog.v(TAG, "Skipping set freeze of " + token);
+ return;
+ }
+
+ AppWindowToken wtoken = findAppWindowToken(token);
+ if (wtoken == null || wtoken.appToken == null) {
+ Slog.w(TAG, "Attempted to freeze screen with non-existing app token: " + wtoken);
+ return;
+ }
+ final long origId = Binder.clearCallingIdentity();
+ startAppFreezingScreenLocked(wtoken);
+ Binder.restoreCallingIdentity(origId);
+ }
+ }
+
+ @Override
+ public void stopAppFreezingScreen(IBinder token, boolean force) {
+ if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS,
+ "setAppFreezingScreen()")) {
+ throw new SecurityException("Requires MANAGE_APP_TOKENS permission");
+ }
+
+ synchronized(mWindowMap) {
+ AppWindowToken wtoken = findAppWindowToken(token);
+ if (wtoken == null || wtoken.appToken == null) {
+ return;
+ }
+ final long origId = Binder.clearCallingIdentity();
+ if (DEBUG_ORIENTATION) Slog.v(TAG, "Clear freezing of " + token
+ + ": hidden=" + wtoken.hidden + " freezing=" + wtoken.mAppAnimator.freezingScreen);
+ unsetAppFreezingScreenLocked(wtoken, true, force);
+ Binder.restoreCallingIdentity(origId);
+ }
+ }
+
+ void removeAppFromTaskLocked(AppWindowToken wtoken) {
+ wtoken.removeAllWindows();
+
+ final Task task = mTaskIdToTask.get(wtoken.groupId);
+ if (task != null) {
+ if (!task.removeAppToken(wtoken)) {
+ Slog.e(TAG, "removeAppFromTaskLocked: token=" + wtoken + " not found.");
+ }
+ }
+ }
+
+ @Override
+ public void removeAppToken(IBinder token) {
+ if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS,
+ "removeAppToken()")) {
+ throw new SecurityException("Requires MANAGE_APP_TOKENS permission");
+ }
+
+ AppWindowToken wtoken = null;
+ AppWindowToken startingToken = null;
+ boolean delayed = false;
+
+ final long origId = Binder.clearCallingIdentity();
+ synchronized(mWindowMap) {
+ WindowToken basewtoken = mTokenMap.remove(token);
+ if (basewtoken != null && (wtoken=basewtoken.appWindowToken) != null) {
+ if (DEBUG_APP_TRANSITIONS) Slog.v(TAG, "Removing app token: " + wtoken);
+ delayed = setTokenVisibilityLocked(wtoken, null, false,
+ AppTransition.TRANSIT_UNSET, true, wtoken.voiceInteraction);
+ wtoken.inPendingTransaction = false;
+ mOpeningApps.remove(wtoken);
+ wtoken.waitingToShow = false;
+ if (mClosingApps.contains(wtoken)) {
+ delayed = true;
+ } else if (mAppTransition.isTransitionSet()) {
+ mClosingApps.add(wtoken);
+ wtoken.waitingToHide = true;
+ delayed = true;
+ }
+ if (DEBUG_APP_TRANSITIONS) Slog.v(
+ TAG, "Removing app " + wtoken + " delayed=" + delayed
+ + " animation=" + wtoken.mAppAnimator.animation
+ + " animating=" + wtoken.mAppAnimator.animating);
+ if (DEBUG_ADD_REMOVE || DEBUG_TOKEN_MOVEMENT) Slog.v(TAG, "removeAppToken: "
+ + wtoken + " delayed=" + delayed + " Callers=" + Debug.getCallers(4));
+ final TaskStack stack = mTaskIdToTask.get(wtoken.groupId).mStack;
+ if (delayed) {
+ // set the token aside because it has an active animation to be finished
+ if (DEBUG_ADD_REMOVE || DEBUG_TOKEN_MOVEMENT) Slog.v(TAG,
+ "removeAppToken make exiting: " + wtoken);
+ stack.mExitingAppTokens.add(wtoken);
+ wtoken.mDeferRemoval = true;
+ } else {
+ // Make sure there is no animation running on this token,
+ // so any windows associated with it will be removed as
+ // soon as their animations are complete
+ wtoken.mAppAnimator.clearAnimation();
+ wtoken.mAppAnimator.animating = false;
+ removeAppFromTaskLocked(wtoken);
+ }
+
+ wtoken.removed = true;
+ if (wtoken.startingData != null) {
+ startingToken = wtoken;
+ }
+ unsetAppFreezingScreenLocked(wtoken, true, true);
+ if (mFocusedApp == wtoken) {
+ if (DEBUG_FOCUS_LIGHT) Slog.v(TAG, "Removing focused app token:" + wtoken);
+ mFocusedApp = null;
+ updateFocusedWindowLocked(UPDATE_FOCUS_NORMAL, true /*updateInputWindows*/);
+ mInputMonitor.setFocusedAppLw(null);
+ }
+ } else {
+ Slog.w(TAG, "Attempted to remove non-existing app token: " + token);
+ }
+
+ if (!delayed && wtoken != null) {
+ wtoken.updateReportedVisibilityLocked();
+ }
+
+ // Will only remove if startingToken non null.
+ scheduleRemoveStartingWindowLocked(startingToken);
+ }
+ Binder.restoreCallingIdentity(origId);
+
+ }
+
+ void scheduleRemoveStartingWindowLocked(AppWindowToken wtoken) {
+ if (mH.hasMessages(H.REMOVE_STARTING, wtoken)) {
+ // Already scheduled.
+ return;
+ }
+ if (wtoken != null && wtoken.startingWindow != null) {
+ if (DEBUG_STARTING_WINDOW) Slog.v(TAG, Debug.getCallers(1) +
+ ": Schedule remove starting " + wtoken + (wtoken != null ?
+ " startingWindow=" + wtoken.startingWindow : ""));
+ Message m = mH.obtainMessage(H.REMOVE_STARTING, wtoken);
+ mH.sendMessage(m);
+ }
+ }
+
+ private boolean tmpRemoveAppWindowsLocked(WindowToken token) {
+ WindowList windows = token.windows;
+ final int NW = windows.size();
+ if (NW > 0) {
+ mWindowsChanged = true;
+ }
+ for (int i = 0; i < NW; i++) {
+ WindowState win = windows.get(i);
+ if (DEBUG_WINDOW_MOVEMENT) Slog.v(TAG, "Tmp removing app window " + win);
+ win.getWindowList().remove(win);
+ int j = win.mChildWindows.size();
+ while (j > 0) {
+ j--;
+ WindowState cwin = win.mChildWindows.get(j);
+ if (DEBUG_WINDOW_MOVEMENT) Slog.v(TAG,
+ "Tmp removing child window " + cwin);
+ cwin.getWindowList().remove(cwin);
+ }
+ }
+ return NW > 0;
+ }
+
+ void dumpAppTokensLocked() {
+ final int numStacks = mStackIdToStack.size();
+ for (int stackNdx = 0; stackNdx < numStacks; ++stackNdx) {
+ final TaskStack stack = mStackIdToStack.valueAt(stackNdx);
+ Slog.v(TAG, " Stack #" + stack.mStackId + " tasks from bottom to top:");
+ final ArrayList<Task> tasks = stack.getTasks();
+ final int numTasks = tasks.size();
+ for (int taskNdx = 0; taskNdx < numTasks; ++taskNdx) {
+ final Task task = tasks.get(taskNdx);
+ Slog.v(TAG, " Task #" + task.taskId + " activities from bottom to top:");
+ AppTokenList tokens = task.mAppTokens;
+ final int numTokens = tokens.size();
+ for (int tokenNdx = 0; tokenNdx < numTokens; ++tokenNdx) {
+ Slog.v(TAG, " activity #" + tokenNdx + ": " + tokens.get(tokenNdx).token);
+ }
+ }
+ }
+ }
+
+ void dumpWindowsLocked() {
+ final int numDisplays = mDisplayContents.size();
+ for (int displayNdx = 0; displayNdx < numDisplays; ++displayNdx) {
+ final DisplayContent displayContent = mDisplayContents.valueAt(displayNdx);
+ Slog.v(TAG, " Display #" + displayContent.getDisplayId());
+ final WindowList windows = displayContent.getWindowList();
+ for (int winNdx = windows.size() - 1; winNdx >= 0; --winNdx) {
+ Slog.v(TAG, " #" + winNdx + ": " + windows.get(winNdx));
+ }
+ }
+ }
+
+ private int findAppWindowInsertionPointLocked(AppWindowToken target) {
+ final int taskId = target.groupId;
+ Task targetTask = mTaskIdToTask.get(taskId);
+ if (targetTask == null) {
+ Slog.w(TAG, "findAppWindowInsertionPointLocked: no Task for " + target + " taskId="
+ + taskId);
+ return 0;
+ }
+ DisplayContent displayContent = targetTask.getDisplayContent();
+ if (displayContent == null) {
+ Slog.w(TAG, "findAppWindowInsertionPointLocked: no DisplayContent for " + target);
+ return 0;
+ }
+ final WindowList windows = displayContent.getWindowList();
+ final int NW = windows.size();
+
+ boolean found = false;
+ final ArrayList<Task> tasks = displayContent.getTasks();
+ for (int taskNdx = tasks.size() - 1; taskNdx >= 0; --taskNdx) {
+ final Task task = tasks.get(taskNdx);
+ if (!found && task.taskId != taskId) {
+ continue;
+ }
+ AppTokenList tokens = task.mAppTokens;
+ for (int tokenNdx = tokens.size() - 1; tokenNdx >= 0; --tokenNdx) {
+ final AppWindowToken wtoken = tokens.get(tokenNdx);
+ if (!found && wtoken == target) {
+ found = true;
+ }
+ if (found) {
+ // Find the first app token below the new position that has
+ // a window displayed.
+ if (DEBUG_REORDER) Slog.v(TAG, "Looking for lower windows in " + wtoken.token);
+ if (wtoken.sendingToBottom) {
+ if (DEBUG_REORDER) Slog.v(TAG, "Skipping token -- currently sending to bottom");
+ continue;
+ }
+ for (int i = wtoken.windows.size() - 1; i >= 0; --i) {
+ WindowState win = wtoken.windows.get(i);
+ for (int j = win.mChildWindows.size() - 1; j >= 0; --j) {
+ WindowState cwin = win.mChildWindows.get(j);
+ if (cwin.mSubLayer >= 0) {
+ for (int pos = NW - 1; pos >= 0; pos--) {
+ if (windows.get(pos) == cwin) {
+ if (DEBUG_REORDER) Slog.v(TAG,
+ "Found child win @" + (pos + 1));
+ return pos + 1;
+ }
+ }
+ }
+ }
+ for (int pos = NW - 1; pos >= 0; pos--) {
+ if (windows.get(pos) == win) {
+ if (DEBUG_REORDER) Slog.v(TAG, "Found win @" + (pos + 1));
+ return pos + 1;
+ }
+ }
+ }
+ }
+ }
+ }
+ // Never put an app window underneath wallpaper.
+ for (int pos = NW - 1; pos >= 0; pos--) {
+ if (windows.get(pos).mIsWallpaper) {
+ if (DEBUG_REORDER) Slog.v(TAG, "Found wallpaper @" + pos);
+ return pos + 1;
+ }
+ }
+ return 0;
+ }
+
+ private final int reAddWindowLocked(int index, WindowState win) {
+ final WindowList windows = win.getWindowList();
+ final int NCW = win.mChildWindows.size();
+ boolean added = false;
+ for (int j=0; j<NCW; j++) {
+ WindowState cwin = win.mChildWindows.get(j);
+ if (!added && cwin.mSubLayer >= 0) {
+ if (DEBUG_WINDOW_MOVEMENT) Slog.v(TAG, "Re-adding child window at "
+ + index + ": " + cwin);
+ win.mRebuilding = false;
+ windows.add(index, win);
+ index++;
+ added = true;
+ }
+ if (DEBUG_WINDOW_MOVEMENT) Slog.v(TAG, "Re-adding window at "
+ + index + ": " + cwin);
+ cwin.mRebuilding = false;
+ windows.add(index, cwin);
+ index++;
+ }
+ if (!added) {
+ if (DEBUG_WINDOW_MOVEMENT) Slog.v(TAG, "Re-adding window at "
+ + index + ": " + win);
+ win.mRebuilding = false;
+ windows.add(index, win);
+ index++;
+ }
+ mWindowsChanged = true;
+ return index;
+ }
+
+ private final int reAddAppWindowsLocked(final DisplayContent displayContent, int index,
+ WindowToken token) {
+ final int NW = token.windows.size();
+ for (int i=0; i<NW; i++) {
+ final WindowState win = token.windows.get(i);
+ final DisplayContent winDisplayContent = win.getDisplayContent();
+ if (winDisplayContent == displayContent || winDisplayContent == null) {
+ win.mDisplayContent = displayContent;
+ index = reAddWindowLocked(index, win);
+ }
+ }
+ return index;
+ }
+
+ void tmpRemoveTaskWindowsLocked(Task task) {
+ AppTokenList tokens = task.mAppTokens;
+ for (int tokenNdx = tokens.size() - 1; tokenNdx >= 0; --tokenNdx) {
+ tmpRemoveAppWindowsLocked(tokens.get(tokenNdx));
+ }
+ }
+
+ void moveStackWindowsLocked(DisplayContent displayContent) {
+ // First remove all of the windows from the list.
+ final ArrayList<Task> tasks = displayContent.getTasks();
+ final int numTasks = tasks.size();
+ for (int taskNdx = 0; taskNdx < numTasks; ++taskNdx) {
+ tmpRemoveTaskWindowsLocked(tasks.get(taskNdx));
+ }
+
+ // And now add them back at the correct place.
+ // Where to start adding?
+ for (int taskNdx = 0; taskNdx < numTasks; ++taskNdx) {
+ AppTokenList tokens = tasks.get(taskNdx).mAppTokens;
+ final int numTokens = tokens.size();
+ if (numTokens == 0) {
+ continue;
+ }
+ int pos = findAppWindowInsertionPointLocked(tokens.get(0));
+ for (int tokenNdx = 0; tokenNdx < numTokens; ++tokenNdx) {
+ final AppWindowToken wtoken = tokens.get(tokenNdx);
+ if (wtoken != null) {
+ final int newPos = reAddAppWindowsLocked(displayContent, pos, wtoken);
+ if (newPos != pos) {
+ displayContent.layoutNeeded = true;
+ }
+ pos = newPos;
+ }
+ }
+ }
+
+ if (!updateFocusedWindowLocked(UPDATE_FOCUS_WILL_PLACE_SURFACES,
+ false /*updateInputWindows*/)) {
+ assignLayersLocked(displayContent.getWindowList());
+ }
+
+ mInputMonitor.setUpdateInputWindowsNeededLw();
+ performLayoutAndPlaceSurfacesLocked();
+ mInputMonitor.updateInputWindowsLw(false /*force*/);
+
+ //dump();
+ }
+
+ public void moveTaskToTop(int taskId) {
+ final long origId = Binder.clearCallingIdentity();
+ try {
+ synchronized(mWindowMap) {
+ Task task = mTaskIdToTask.get(taskId);
+ if (task == null) {
+ // Normal behavior, addAppToken will be called next and task will be created.
+ return;
+ }
+ final TaskStack stack = task.mStack;
+ final DisplayContent displayContent = task.getDisplayContent();
+ displayContent.moveStack(stack, true);
+ if (displayContent.isDefaultDisplay) {
+ final TaskStack homeStack = displayContent.getHomeStack();
+ if (homeStack != stack) {
+ // When a non-home stack moves to the top, the home stack moves to the
+ // bottom.
+ displayContent.moveStack(homeStack, false);
+ }
+ }
+ stack.moveTaskToTop(task);
++ if (mAppTransition.isTransitionSet()) {
++ task.setSendingToBottom(false);
++ }
+ }
+ } finally {
+ Binder.restoreCallingIdentity(origId);
+ }
+ }
+
+ public void moveTaskToBottom(int taskId) {
+ final long origId = Binder.clearCallingIdentity();
+ try {
+ synchronized(mWindowMap) {
+ Task task = mTaskIdToTask.get(taskId);
+ if (task == null) {
+ Slog.e(TAG, "moveTaskToBottom: taskId=" + taskId
+ + " not found in mTaskIdToTask");
+ return;
+ }
+ final TaskStack stack = task.mStack;
+ stack.moveTaskToBottom(task);
++ if (mAppTransition.isTransitionSet()) {
++ task.setSendingToBottom(true);
++ }
+ moveStackWindowsLocked(stack.getDisplayContent());
+ }
+ } finally {
+ Binder.restoreCallingIdentity(origId);
+ }
+ }
+
+ /**
+ * Create a new TaskStack and place it on a DisplayContent.
+ * @param stackId The unique identifier of the new stack.
+ * @param displayId The unique identifier of the DisplayContent.
+ */
+ public void attachStack(int stackId, int displayId) {
+ final long origId = Binder.clearCallingIdentity();
+ try {
+ synchronized (mWindowMap) {
+ final DisplayContent displayContent = mDisplayContents.get(displayId);
+ if (displayContent != null) {
+ TaskStack stack = mStackIdToStack.get(stackId);
+ if (stack == null) {
+ if (DEBUG_STACK) Slog.d(TAG, "attachStack: stackId=" + stackId);
+ stack = new TaskStack(this, stackId);
+ mStackIdToStack.put(stackId, stack);
+ }
+ stack.attachDisplayContent(displayContent);
+ displayContent.attachStack(stack);
+ moveStackWindowsLocked(displayContent);
+ final WindowList windows = displayContent.getWindowList();
+ for (int winNdx = windows.size() - 1; winNdx >= 0; --winNdx) {
+ windows.get(winNdx).reportResized();
+ }
+ }
+ }
+ } finally {
+ Binder.restoreCallingIdentity(origId);
+ }
+ }
+
+ void detachStackLocked(DisplayContent displayContent, TaskStack stack) {
+ displayContent.detachStack(stack);
+ stack.detachDisplay();
+ }
+
+ public void detachStack(int stackId) {
+ synchronized (mWindowMap) {
+ TaskStack stack = mStackIdToStack.get(stackId);
+ if (stack != null) {
+ final DisplayContent displayContent = stack.getDisplayContent();
+ if (displayContent != null) {
+ if (stack.isAnimating()) {
+ stack.mDeferDetach = true;
+ return;
+ }
+ detachStackLocked(displayContent, stack);
+ }
+ }
+ }
+ }
+
+ public void removeStack(int stackId) {
+ mStackIdToStack.remove(stackId);
+ }
+
+ void removeTaskLocked(Task task) {
+ final int taskId = task.taskId;
+ final TaskStack stack = task.mStack;
+ if (stack.isAnimating()) {
+ if (DEBUG_STACK) Slog.i(TAG, "removeTask: deferring removing taskId=" + taskId);
+ task.mDeferRemoval = true;
+ return;
+ }
+ if (DEBUG_STACK) Slog.i(TAG, "removeTask: removing taskId=" + taskId);
+ EventLog.writeEvent(EventLogTags.WM_TASK_REMOVED, taskId, "removeTask");
+ task.mDeferRemoval = false;
+ task.mStack.removeTask(task);
+ mTaskIdToTask.delete(task.taskId);
+ }
+
+ public void removeTask(int taskId) {
+ synchronized (mWindowMap) {
+ Task task = mTaskIdToTask.get(taskId);
+ if (task == null) {
+ if (DEBUG_STACK) Slog.i(TAG, "removeTask: could not find taskId=" + taskId);
+ return;
+ }
+ removeTaskLocked(task);
+ }
+ }
+
+ public void addTask(int taskId, int stackId, boolean toTop) {
+ synchronized (mWindowMap) {
+ if (DEBUG_STACK) Slog.i(TAG, "addTask: adding taskId=" + taskId
+ + " to " + (toTop ? "top" : "bottom"));
+ Task task = mTaskIdToTask.get(taskId);
+ if (task == null) {
+ return;
+ }
+ TaskStack stack = mStackIdToStack.get(stackId);
+ stack.addTask(task, toTop);
+ final DisplayContent displayContent = stack.getDisplayContent();
+ displayContent.layoutNeeded = true;
+ performLayoutAndPlaceSurfacesLocked();
+ }
+ }
+
+ public void resizeStack(int stackId, Rect bounds) {
+ synchronized (mWindowMap) {
+ final TaskStack stack = mStackIdToStack.get(stackId);
+ if (stack == null) {
+ throw new IllegalArgumentException("resizeStack: stackId " + stackId
+ + " not found.");
+ }
+ if (stack.setBounds(bounds)) {
+ stack.resizeWindows();
+ stack.getDisplayContent().layoutNeeded = true;
+ performLayoutAndPlaceSurfacesLocked();
+ }
+ }
+ }
+
+ public void getStackBounds(int stackId, Rect bounds) {
+ final TaskStack stack = mStackIdToStack.get(stackId);
+ if (stack != null) {
+ stack.getBounds(bounds);
+ return;
+ }
+ bounds.setEmpty();
+ }
+
+ // -------------------------------------------------------------
+ // Misc IWindowSession methods
+ // -------------------------------------------------------------
+
+ @Override
+ public void startFreezingScreen(int exitAnim, int enterAnim) {
+ if (!checkCallingPermission(android.Manifest.permission.FREEZE_SCREEN,
+ "startFreezingScreen()")) {
+ throw new SecurityException("Requires FREEZE_SCREEN permission");
+ }
+
+ synchronized(mWindowMap) {
+ if (!mClientFreezingScreen) {
+ mClientFreezingScreen = true;
+ final long origId = Binder.clearCallingIdentity();
+ try {
+ startFreezingDisplayLocked(false, exitAnim, enterAnim);
+ mH.removeMessages(H.CLIENT_FREEZE_TIMEOUT);
+ mH.sendEmptyMessageDelayed(H.CLIENT_FREEZE_TIMEOUT, 5000);
+ } finally {
+ Binder.restoreCallingIdentity(origId);
+ }
+ }
+ }
+ }
+
+ @Override
+ public void stopFreezingScreen() {
+ if (!checkCallingPermission(android.Manifest.permission.FREEZE_SCREEN,
+ "stopFreezingScreen()")) {
+ throw new SecurityException("Requires FREEZE_SCREEN permission");
+ }
+
+ synchronized(mWindowMap) {
+ if (mClientFreezingScreen) {
+ mClientFreezingScreen = false;
+ mLastFinishedFreezeSource = "client";
+ final long origId = Binder.clearCallingIdentity();
+ try {
+ stopFreezingDisplayLocked();
+ } finally {
+ Binder.restoreCallingIdentity(origId);
+ }
+ }
+ }
+ }
+
+ @Override
+ public void disableKeyguard(IBinder token, String tag) {
+ if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DISABLE_KEYGUARD)
+ != PackageManager.PERMISSION_GRANTED) {
+ throw new SecurityException("Requires DISABLE_KEYGUARD permission");
+ }
+
+ if (token == null) {
+ throw new IllegalArgumentException("token == null");
+ }
+
+ mKeyguardDisableHandler.sendMessage(mKeyguardDisableHandler.obtainMessage(
+ KeyguardDisableHandler.KEYGUARD_DISABLE, new Pair<IBinder, String>(token, tag)));
+ }
+
+ @Override
+ public void reenableKeyguard(IBinder token) {
+ if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DISABLE_KEYGUARD)
+ != PackageManager.PERMISSION_GRANTED) {
+ throw new SecurityException("Requires DISABLE_KEYGUARD permission");
+ }
+
+ if (token == null) {
+ throw new IllegalArgumentException("token == null");
+ }
+
+ mKeyguardDisableHandler.sendMessage(mKeyguardDisableHandler.obtainMessage(
+ KeyguardDisableHandler.KEYGUARD_REENABLE, token));
+ }
+
+ /**
+ * @see android.app.KeyguardManager#exitKeyguardSecurely
+ */
+ @Override
+ public void exitKeyguardSecurely(final IOnKeyguardExitResult callback) {
+ if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DISABLE_KEYGUARD)
+ != PackageManager.PERMISSION_GRANTED) {
+ throw new SecurityException("Requires DISABLE_KEYGUARD permission");
+ }
+
+ if (callback == null) {
+ throw new IllegalArgumentException("callback == null");
+ }
+
+ mPolicy.exitKeyguardSecurely(new WindowManagerPolicy.OnKeyguardExitResult() {
+ @Override
+ public void onKeyguardExitResult(boolean success) {
+ try {
+ callback.onKeyguardExitResult(success);
+ } catch (RemoteException e) {
+ // Client has died, we don't care.
+ }
+ }
+ });
+ }
+
+ @Override
+ public boolean inKeyguardRestrictedInputMode() {
+ return mPolicy.inKeyguardRestrictedKeyInputMode();
+ }
+
+ @Override
+ public boolean isKeyguardLocked() {
+ return mPolicy.isKeyguardLocked();
+ }
+
+ @Override
+ public boolean isKeyguardSecure() {
+ return mPolicy.isKeyguardSecure();
+ }
+
+ @Override
+ public void dismissKeyguard() {
+ if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DISABLE_KEYGUARD)
+ != PackageManager.PERMISSION_GRANTED) {
+ throw new SecurityException("Requires DISABLE_KEYGUARD permission");
+ }
+ synchronized(mWindowMap) {
+ mPolicy.dismissKeyguardLw();
+ }
+ }
+
+ @Override
+ public void keyguardGoingAway(boolean disableWindowAnimations,
+ boolean keyguardGoingToNotificationShade) {
+ if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DISABLE_KEYGUARD)
+ != PackageManager.PERMISSION_GRANTED) {
+ throw new SecurityException("Requires DISABLE_KEYGUARD permission");
+ }
+ synchronized (mWindowMap) {
+ mAnimator.mKeyguardGoingAway = true;
+ mAnimator.mKeyguardGoingAwayToNotificationShade = keyguardGoingToNotificationShade;
+ mAnimator.mKeyguardGoingAwayDisableWindowAnimations = disableWindowAnimations;
+ requestTraversalLocked();
+ }
+ }
+
+ public void keyguardWaitingForActivityDrawn() {
+ synchronized (mWindowMap) {
+ mKeyguardWaitingForActivityDrawn = true;
+ }
+ }
+
+ public void notifyActivityDrawnForKeyguard() {
+ synchronized (mWindowMap) {
+ if (mKeyguardWaitingForActivityDrawn) {
+ mPolicy.notifyActivityDrawnForKeyguardLw();
+ mKeyguardWaitingForActivityDrawn = false;
+ }
+ }
+ }
+
+ void showGlobalActions() {
+ mPolicy.showGlobalActions();
+ }
+
+ @Override
+ public void closeSystemDialogs(String reason) {
+ synchronized(mWindowMap) {
+ final int numDisplays = mDisplayContents.size();
+ for (int displayNdx = 0; displayNdx < numDisplays; ++displayNdx) {
+ final WindowList windows = mDisplayContents.valueAt(displayNdx).getWindowList();
+ final int numWindows = windows.size();
+ for (int winNdx = 0; winNdx < numWindows; ++winNdx) {
+ final WindowState w = windows.get(winNdx);
+ if (w.mHasSurface) {
+ try {
+ w.mClient.closeSystemDialogs(reason);
+ } catch (RemoteException e) {
+ }
+ }
+ }
+ }
+ }
+ }
+
+ static float fixScale(float scale) {
+ if (scale < 0) scale = 0;
+ else if (scale > 20) scale = 20;
+ return Math.abs(scale);
+ }
+
+ @Override
+ public void setAnimationScale(int which, float scale) {
+ if (!checkCallingPermission(android.Manifest.permission.SET_ANIMATION_SCALE,
+ "setAnimationScale()")) {
+ throw new SecurityException("Requires SET_ANIMATION_SCALE permission");
+ }
+
+ scale = fixScale(scale);
+ switch (which) {
+ case 0: mWindowAnimationScaleSetting = scale; break;
+ case 1: mTransitionAnimationScaleSetting = scale; break;
+ case 2: mAnimatorDurationScaleSetting = scale; break;
+ }
+
+ // Persist setting
+ mH.sendEmptyMessage(H.PERSIST_ANIMATION_SCALE);
+ }
+
+ @Override
+ public void setAnimationScales(float[] scales) {
+ if (!checkCallingPermission(android.Manifest.permission.SET_ANIMATION_SCALE,
+ "setAnimationScale()")) {
+ throw new SecurityException("Requires SET_ANIMATION_SCALE permission");
+ }
+
+ if (scales != null) {
+ if (scales.length >= 1) {
+ mWindowAnimationScaleSetting = fixScale(scales[0]);
+ }
+ if (scales.length >= 2) {
+ mTransitionAnimationScaleSetting = fixScale(scales[1]);
+ }
+ if (scales.length >= 3) {
+ mAnimatorDurationScaleSetting = fixScale(scales[2]);
+ dispatchNewAnimatorScaleLocked(null);
+ }
+ }
+
+ // Persist setting
+ mH.sendEmptyMessage(H.PERSIST_ANIMATION_SCALE);
+ }
+
+ private void setAnimatorDurationScale(float scale) {
+ mAnimatorDurationScaleSetting = scale;
+ ValueAnimator.setDurationScale(scale);
+ }
+
+ public float getWindowAnimationScaleLocked() {
+ return mAnimationsDisabled ? 0 : mWindowAnimationScaleSetting;
+ }
+
+ public float getTransitionAnimationScaleLocked() {
+ return mAnimationsDisabled ? 0 : mTransitionAnimationScaleSetting;
+ }
+
+ @Override
+ public float getAnimationScale(int which) {
+ switch (which) {
+ case 0: return mWindowAnimationScaleSetting;
+ case 1: return mTransitionAnimationScaleSetting;
+ case 2: return mAnimatorDurationScaleSetting;
+ }
+ return 0;
+ }
+
+ @Override
+ public float[] getAnimationScales() {
+ return new float[] { mWindowAnimationScaleSetting, mTransitionAnimationScaleSetting,
+ mAnimatorDurationScaleSetting };
+ }
+
+ @Override
+ public float getCurrentAnimatorScale() {
+ synchronized(mWindowMap) {
+ return mAnimationsDisabled ? 0 : mAnimatorDurationScaleSetting;
+ }
+ }
+
+ void dispatchNewAnimatorScaleLocked(Session session) {
+ mH.obtainMessage(H.NEW_ANIMATOR_SCALE, session).sendToTarget();
+ }
+
+ @Override
+ public void registerPointerEventListener(PointerEventListener listener) {
+ mPointerEventDispatcher.registerInputEventListener(listener);
+ }
+
+ @Override
+ public void unregisterPointerEventListener(PointerEventListener listener) {
+ mPointerEventDispatcher.unregisterInputEventListener(listener);
+ }
+
+ // Called by window manager policy. Not exposed externally.
+ @Override
+ public int getLidState() {
+ int sw = mInputManager.getSwitchState(-1, InputDevice.SOURCE_ANY,
+ InputManagerService.SW_LID);
+ if (sw > 0) {
+ // Switch state: AKEY_STATE_DOWN or AKEY_STATE_VIRTUAL.
+ return LID_CLOSED;
+ } else if (sw == 0) {
+ // Switch state: AKEY_STATE_UP.
+ return LID_OPEN;
+ } else {
+ // Switch state: AKEY_STATE_UNKNOWN.
+ return LID_ABSENT;
+ }
+ }
+
+ // Called by window manager policy. Not exposed externally.
+ @Override
+ public int getCameraLensCoverState() {
+ int sw = mInputManager.getSwitchState(-1, InputDevice.SOURCE_ANY,
+ InputManagerService.SW_CAMERA_LENS_COVER);
+ if (sw > 0) {
+ // Switch state: AKEY_STATE_DOWN or AKEY_STATE_VIRTUAL.
+ return CAMERA_LENS_COVERED;
+ } else if (sw == 0) {
+ // Switch state: AKEY_STATE_UP.
+ return CAMERA_LENS_UNCOVERED;
+ } else {
+ // Switch state: AKEY_STATE_UNKNOWN.
+ return CAMERA_LENS_COVER_ABSENT;
+ }
+ }
+
+ // Called by window manager policy. Not exposed externally.
+ @Override
+ public void switchKeyboardLayout(int deviceId, int direction) {
+ mInputManager.switchKeyboardLayout(deviceId, direction);
+ }
+
+ // Called by window manager policy. Not exposed externally.
+ @Override
+ public void shutdown(boolean confirm) {
+ ShutdownThread.shutdown(mContext, confirm);
+ }
+
+ // Called by window manager policy. Not exposed externally.
+ @Override
+ public void rebootSafeMode(boolean confirm) {
+ ShutdownThread.rebootSafeMode(mContext, confirm);
+ }
+
+ public void setCurrentProfileIds(final int[] currentProfileIds) {
+ synchronized (mWindowMap) {
+ mCurrentProfileIds = currentProfileIds;
+ }
+ }
+
+ public void setCurrentUser(final int newUserId, final int[] currentProfileIds) {
+ synchronized (mWindowMap) {
+ mCurrentUserId = newUserId;
+ mCurrentProfileIds = currentProfileIds;
+ mAppTransition.setCurrentUser(newUserId);
+ mPolicy.setCurrentUserLw(newUserId);
+
+ // Hide windows that should not be seen by the new user.
+ final int numDisplays = mDisplayContents.size();
+ for (int displayNdx = 0; displayNdx < numDisplays; ++displayNdx) {
+ final DisplayContent displayContent = mDisplayContents.valueAt(displayNdx);
+ displayContent.switchUserStacks(newUserId);
+ rebuildAppWindowListLocked(displayContent);
+ }
+ performLayoutAndPlaceSurfacesLocked();
+ }
+ }
+
+ /* Called by WindowState */
+ boolean isCurrentProfileLocked(int userId) {
+ if (userId == mCurrentUserId) return true;
+ for (int i = 0; i < mCurrentProfileIds.length; i++) {
+ if (mCurrentProfileIds[i] == userId) return true;
+ }
+ return false;
+ }
+
+ public void enableScreenAfterBoot() {
+ synchronized(mWindowMap) {
+ if (DEBUG_BOOT) {
+ RuntimeException here = new RuntimeException("here");
+ here.fillInStackTrace();
+ Slog.i(TAG, "enableScreenAfterBoot: mDisplayEnabled=" + mDisplayEnabled
+ + " mForceDisplayEnabled=" + mForceDisplayEnabled
+ + " mShowingBootMessages=" + mShowingBootMessages
+ + " mSystemBooted=" + mSystemBooted, here);
+ }
+ if (mSystemBooted) {
+ return;
+ }
+ mSystemBooted = true;
+ hideBootMessagesLocked();
+ // If the screen still doesn't come up after 30 seconds, give
+ // up and turn it on.
+ mH.sendEmptyMessageDelayed(H.BOOT_TIMEOUT, 30*1000);
+ }
+
+ mPolicy.systemBooted();
+
+ performEnableScreen();
+ }
+
+ @Override
+ public void enableScreenIfNeeded() {
+ synchronized (mWindowMap) {
+ enableScreenIfNeededLocked();
+ }
+ }
+
+ void enableScreenIfNeededLocked() {
+ if (DEBUG_BOOT) {
+ RuntimeException here = new RuntimeException("here");
+ here.fillInStackTrace();
+ Slog.i(TAG, "enableScreenIfNeededLocked: mDisplayEnabled=" + mDisplayEnabled
+ + " mForceDisplayEnabled=" + mForceDisplayEnabled
+ + " mShowingBootMessages=" + mShowingBootMessages
+ + " mSystemBooted=" + mSystemBooted, here);
+ }
+ if (mDisplayEnabled) {
+ return;
+ }
+ if (!mSystemBooted && !mShowingBootMessages) {
+ return;
+ }
+ mH.sendEmptyMessage(H.ENABLE_SCREEN);
+ }
+
+ public void performBootTimeout() {
+ synchronized(mWindowMap) {
+ if (mDisplayEnabled) {
+ return;
+ }
+ Slog.w(TAG, "***** BOOT TIMEOUT: forcing display enabled");
+ mForceDisplayEnabled = true;
+ }
+ performEnableScreen();
+ }
+
+ private boolean checkWaitingForWindowsLocked() {
+
+ boolean haveBootMsg = false;
+ boolean haveApp = false;
+ // if the wallpaper service is disabled on the device, we're never going to have
+ // wallpaper, don't bother waiting for it
+ boolean haveWallpaper = false;
+ boolean wallpaperEnabled = mContext.getResources().getBoolean(
+ com.android.internal.R.bool.config_enableWallpaperService)
+ && !mOnlyCore;
+ boolean haveKeyguard = true;
+ // TODO(multidisplay): Expand to all displays?
+ final WindowList windows = getDefaultWindowListLocked();
+ final int N = windows.size();
+ for (int i=0; i<N; i++) {
+ WindowState w = windows.get(i);
+ if (w.isVisibleLw() && !w.mObscured && !w.isDrawnLw()) {
+ return true;
+ }
+ if (w.isDrawnLw()) {
+ if (w.mAttrs.type == TYPE_BOOT_PROGRESS) {
+ haveBootMsg = true;
+ } else if (w.mAttrs.type == TYPE_APPLICATION) {
+ haveApp = true;
+ } else if (w.mAttrs.type == TYPE_WALLPAPER) {
+ haveWallpaper = true;
+ } else if (w.mAttrs.type == TYPE_STATUS_BAR) {
+ haveKeyguard = mPolicy.isKeyguardDrawnLw();
+ }
+ }
+ }
+
+ if (DEBUG_SCREEN_ON || DEBUG_BOOT) {
+ Slog.i(TAG, "******** booted=" + mSystemBooted + " msg=" + mShowingBootMessages
+ + " haveBoot=" + haveBootMsg + " haveApp=" + haveApp
+ + " haveWall=" + haveWallpaper + " wallEnabled=" + wallpaperEnabled
+ + " haveKeyguard=" + haveKeyguard);
+ }
+
+ // If we are turning on the screen to show the boot message,
+ // don't do it until the boot message is actually displayed.
+ if (!mSystemBooted && !haveBootMsg) {
+ return true;
+ }
+
+ // If we are turning on the screen after the boot is completed
+ // normally, don't do so until we have the application and
+ // wallpaper.
+ if (mSystemBooted && ((!haveApp && !haveKeyguard) ||
+ (wallpaperEnabled && !haveWallpaper))) {
+ return true;
+ }
+
+ return false;
+ }
+
+ public void performEnableScreen() {
+ synchronized(mWindowMap) {
+ if (DEBUG_BOOT) Slog.i(TAG, "performEnableScreen: mDisplayEnabled=" + mDisplayEnabled
+ + " mForceDisplayEnabled=" + mForceDisplayEnabled
+ + " mShowingBootMessages=" + mShowingBootMessages
+ + " mSystemBooted=" + mSystemBooted
+ + " mOnlyCore=" + mOnlyCore,
+ new RuntimeException("here").fillInStackTrace());
+ if (mDisplayEnabled) {
+ return;
+ }
+ if (!mSystemBooted && !mShowingBootMessages) {
+ return;
+ }
+
+ // Don't enable the screen until all existing windows have been drawn.
+ if (!mForceDisplayEnabled && checkWaitingForWindowsLocked()) {
+ return;
+ }
+
+ if (!mBootAnimationStopped) {
+ // Do this one time.
+ try {
+ IBinder surfaceFlinger = ServiceManager.getService("SurfaceFlinger");
+ if (surfaceFlinger != null) {
+ //Slog.i(TAG, "******* TELLING SURFACE FLINGER WE ARE BOOTED!");
+ Parcel data = Parcel.obtain();
+ data.writeInterfaceToken("android.ui.ISurfaceComposer");
+ surfaceFlinger.transact(IBinder.FIRST_CALL_TRANSACTION, // BOOT_FINISHED
+ data, null, 0);
+ data.recycle();
+ }
+ } catch (RemoteException ex) {
+ Slog.e(TAG, "Boot completed: SurfaceFlinger is dead!");
+ }
+ mBootAnimationStopped = true;
+ }
+
+ if (!mForceDisplayEnabled && !checkBootAnimationCompleteLocked()) {
+ if (DEBUG_BOOT) Slog.i(TAG, "performEnableScreen: Waiting for anim complete");
+ return;
+ }
+
+ mDisplayEnabled = true;
+ if (DEBUG_SCREEN_ON || DEBUG_BOOT) Slog.i(TAG, "******************** ENABLING SCREEN!");
+
+ // Enable input dispatch.
+ mInputMonitor.setEventDispatchingLw(mEventDispatchingEnabled);
+ }
+
+ try {
+ mActivityManager.bootAnimationComplete();
+ } catch (RemoteException e) {
+ }
+
+ mPolicy.enableScreenAfterBoot();
+
+ // Make sure the last requested orientation has been applied.
+ updateRotationUnchecked(false, false);
+ }
+
+ private boolean checkBootAnimationCompleteLocked() {
+ if (SystemService.isRunning(BOOT_ANIMATION_SERVICE)) {
+ mH.removeMessages(H.CHECK_IF_BOOT_ANIMATION_FINISHED);
+ mH.sendEmptyMessageDelayed(H.CHECK_IF_BOOT_ANIMATION_FINISHED,
+ BOOT_ANIMATION_POLL_INTERVAL);
+ if (DEBUG_BOOT) Slog.i(TAG, "checkBootAnimationComplete: Waiting for anim complete");
+ return false;
+ }
+ if (DEBUG_BOOT) Slog.i(TAG, "checkBootAnimationComplete: Animation complete!");
+ return true;
+ }
+
+ public void showBootMessage(final CharSequence msg, final boolean always) {
+ boolean first = false;
+ synchronized(mWindowMap) {
+ if (DEBUG_BOOT) {
+ RuntimeException here = new RuntimeException("here");
+ here.fillInStackTrace();
+ Slog.i(TAG, "showBootMessage: msg=" + msg + " always=" + always
+ + " mAllowBootMessages=" + mAllowBootMessages
+ + " mShowingBootMessages=" + mShowingBootMessages
+ + " mSystemBooted=" + mSystemBooted, here);
+ }
+ if (!mAllowBootMessages) {
+ return;
+ }
+ if (!mShowingBootMessages) {
+ if (!always) {
+ return;
+ }
+ first = true;
+ }
+ if (mSystemBooted) {
+ return;
+ }
+ mShowingBootMessages = true;
+ mPolicy.showBootMessage(msg, always);
+ }
+ if (first) {
+ performEnableScreen();
+ }
+ }
+
+ public void hideBootMessagesLocked() {
+ if (DEBUG_BOOT) {
+ RuntimeException here = new RuntimeException("here");
+ here.fillInStackTrace();
+ Slog.i(TAG, "hideBootMessagesLocked: mDisplayEnabled=" + mDisplayEnabled
+ + " mForceDisplayEnabled=" + mForceDisplayEnabled
+ + " mShowingBootMessages=" + mShowingBootMessages
+ + " mSystemBooted=" + mSystemBooted, here);
+ }
+ if (mShowingBootMessages) {
+ mShowingBootMessages = false;
+ mPolicy.hideBootMessages();
+ }
+ }
+
+ @Override
+ public void setInTouchMode(boolean mode) {
+ synchronized(mWindowMap) {
+ mInTouchMode = mode;
+ }
+ }
+
+ public void showCircularDisplayMaskIfNeeded() {
+ // we're fullscreen and not hosted in an ActivityView
+ if (mContext.getResources().getBoolean(
+ com.android.internal.R.bool.config_windowIsRound)
+ && mContext.getResources().getBoolean(
+ com.android.internal.R.bool.config_windowShowCircularMask)) {
+ mH.sendMessage(mH.obtainMessage(H.SHOW_CIRCULAR_DISPLAY_MASK));
+ }
+ }
+
+ public void showEmulatorDisplayOverlayIfNeeded() {
+ if (mContext.getResources().getBoolean(
+ com.android.internal.R.bool.config_windowEnableCircularEmulatorDisplayOverlay)
+ && SystemProperties.getBoolean(PROPERTY_EMULATOR_CIRCULAR, false)
+ && Build.HARDWARE.contains("goldfish")) {
+ mH.sendMessage(mH.obtainMessage(H.SHOW_EMULATOR_DISPLAY_OVERLAY));
+ }
+ }
+
+ public void showCircularMask() {
+ synchronized(mWindowMap) {
+
+ if (SHOW_LIGHT_TRANSACTIONS) Slog.i(TAG,
+ ">>> OPEN TRANSACTION showCircularMask");
+ SurfaceControl.openTransaction();
+ try {
+ // TODO(multi-display): support multiple displays
+ if (mCircularDisplayMask == null) {
+ int screenOffset = mContext.getResources().getDimensionPixelSize(
+ com.android.internal.R.dimen.circular_display_mask_offset);
+
+ mCircularDisplayMask = new CircularDisplayMask(
+ getDefaultDisplayContentLocked().getDisplay(),
+ mFxSession,
+ mPolicy.windowTypeToLayerLw(
+ WindowManager.LayoutParams.TYPE_POINTER)
+ * TYPE_LAYER_MULTIPLIER + 10, screenOffset);
+ }
+ mCircularDisplayMask.setVisibility(true);
+ } finally {
+ SurfaceControl.closeTransaction();
+ if (SHOW_LIGHT_TRANSACTIONS) Slog.i(TAG,
+ "<<< CLOSE TRANSACTION showCircularMask");
+ }
+ }
+ }
+
+ public void showEmulatorDisplayOverlay() {
+ synchronized(mWindowMap) {
+
+ if (SHOW_LIGHT_TRANSACTIONS) Slog.i(TAG,
+ ">>> OPEN TRANSACTION showEmulatorDisplayOverlay");
+ SurfaceControl.openTransaction();
+ try {
+ if (mEmulatorDisplayOverlay == null) {
+ mEmulatorDisplayOverlay = new EmulatorDisplayOverlay(
+ mContext,
+ getDefaultDisplayContentLocked().getDisplay(),
+ mFxSession,
+ mPolicy.windowTypeToLayerLw(
+ WindowManager.LayoutParams.TYPE_POINTER)
+ * TYPE_LAYER_MULTIPLIER + 10);
+ }
+ mEmulatorDisplayOverlay.setVisibility(true);
+ } finally {
+ SurfaceControl.closeTransaction();
+ if (SHOW_LIGHT_TRANSACTIONS) Slog.i(TAG,
+ "<<< CLOSE TRANSACTION showEmulatorDisplayOverlay");
+ }
+ }
+ }
+
+ // TODO: more accounting of which pid(s) turned it on, keep count,
+ // only allow disables from pids which have count on, etc.
+ @Override
+ public void showStrictModeViolation(boolean on) {
+ int pid = Binder.getCallingPid();
+ mH.sendMessage(mH.obtainMessage(H.SHOW_STRICT_MODE_VIOLATION, on ? 1 : 0, pid));
+ }
+
+ private void showStrictModeViolation(int arg, int pid) {
+ final boolean on = arg != 0;
+ synchronized(mWindowMap) {
+ // Ignoring requests to enable the red border from clients
+ // which aren't on screen. (e.g. Broadcast Receivers in
+ // the background..)
+ if (on) {
+ boolean isVisible = false;
+ final int numDisplays = mDisplayContents.size();
+ for (int displayNdx = 0; displayNdx < numDisplays; ++displayNdx) {
+ final WindowList windows = mDisplayContents.valueAt(displayNdx).getWindowList();
+ final int numWindows = windows.size();
+ for (int winNdx = 0; winNdx < numWindows; ++winNdx) {
+ final WindowState ws = windows.get(winNdx);
+ if (ws.mSession.mPid == pid && ws.isVisibleLw()) {
+ isVisible = true;
+ break;
+ }
+ }
+ }
+ if (!isVisible) {
+ return;
+ }
+ }
+
+ if (SHOW_LIGHT_TRANSACTIONS) Slog.i(TAG,
+ ">>> OPEN TRANSACTION showStrictModeViolation");
+ SurfaceControl.openTransaction();
+ try {
+ // TODO(multi-display): support multiple displays
+ if (mStrictModeFlash == null) {
+ mStrictModeFlash = new StrictModeFlash(
+ getDefaultDisplayContentLocked().getDisplay(), mFxSession);
+ }
+ mStrictModeFlash.setVisibility(on);
+ } finally {
+ SurfaceControl.closeTransaction();
+ if (SHOW_LIGHT_TRANSACTIONS) Slog.i(TAG,
+ "<<< CLOSE TRANSACTION showStrictModeViolation");
+ }
+ }
+ }
+
+ @Override
+ public void setStrictModeVisualIndicatorPreference(String value) {
+ SystemProperties.set(StrictMode.VISUAL_PROPERTY, value);
+ }
+
+ private static void convertCropForSurfaceFlinger(Rect crop, int rot, int dw, int dh) {
+ if (rot == Surface.ROTATION_90) {
+ final int tmp = crop.top;
+ crop.top = dw - crop.right;
+ crop.right = crop.bottom;
+ crop.bottom = dw - crop.left;
+ crop.left = tmp;
+ } else if (rot == Surface.ROTATION_180) {
+ int tmp = crop.top;
+ crop.top = dh - crop.bottom;
+ crop.bottom = dh - tmp;
+ tmp = crop.right;
+ crop.right = dw - crop.left;
+ crop.left = dw - tmp;
+ } else if (rot == Surface.ROTATION_270) {
+ final int tmp = crop.top;
+ crop.top = crop.left;
+ crop.left = dh - crop.bottom;
+ crop.bottom = crop.right;
+ crop.right = dh - tmp;
+ }
+ }
+
+ /**
+ * Takes a snapshot of the screen. In landscape mode this grabs the whole screen.
+ * In portrait mode, it grabs the upper region of the screen based on the vertical dimension
+ * of the target image.
+ *
+ * @param displayId the Display to take a screenshot of.
+ * @param width the width of the target bitmap
+ * @param height the height of the target bitmap
+ * @param force565 if true the returned bitmap will be RGB_565, otherwise it
+ * will be the same config as the surface
+ */
+ @Override
+ public Bitmap screenshotApplications(IBinder appToken, int displayId, int width,
+ int height, boolean force565) {
+ if (!checkCallingPermission(Manifest.permission.READ_FRAME_BUFFER,
+ "screenshotApplications()")) {
+ throw new SecurityException("Requires READ_FRAME_BUFFER permission");
+ }
+
+ final DisplayContent displayContent = getDisplayContentLocked(displayId);
+ if (displayContent == null) {
+ if (DEBUG_SCREENSHOT) Slog.i(TAG, "Screenshot of " + appToken
+ + ": returning null. No Display for displayId=" + displayId);
+ return null;
+ }
+ final DisplayInfo displayInfo = displayContent.getDisplayInfo();
+ int dw = displayInfo.logicalWidth;
+ int dh = displayInfo.logicalHeight;
+ if (dw == 0 || dh == 0) {
+ if (DEBUG_SCREENSHOT) Slog.i(TAG, "Screenshot of " + appToken
+ + ": returning null. logical widthxheight=" + dw + "x" + dh);
+ return null;
+ }
+
+ Bitmap bm = null;
+
+ int maxLayer = 0;
+ final Rect frame = new Rect();
+ final Rect stackBounds = new Rect();
+
+ float scale = 0;
+ int rot = Surface.ROTATION_0;
+
+ boolean screenshotReady;
+ int minLayer;
+ if (appToken == null) {
+ screenshotReady = true;
+ minLayer = 0;
+ } else {
+ screenshotReady = false;
+ minLayer = Integer.MAX_VALUE;
+ }
+
+ int retryCount = 0;
+ WindowState appWin = null;
+
+ final boolean appIsImTarget = mInputMethodTarget != null
+ && mInputMethodTarget.mAppToken != null
+ && mInputMethodTarget.mAppToken.appToken != null
+ && mInputMethodTarget.mAppToken.appToken.asBinder() == appToken;
+
+ final int aboveAppLayer = (mPolicy.windowTypeToLayerLw(TYPE_APPLICATION) + 1)
+ * TYPE_LAYER_MULTIPLIER + TYPE_LAYER_OFFSET;
+
+ while (true) {
+ if (retryCount++ > 0) {
+ try {
+ Thread.sleep(100);
+ } catch (InterruptedException e) {
+ }
+ }
+ synchronized(mWindowMap) {
+ // Figure out the part of the screen that is actually the app.
+ appWin = null;
+ final WindowList windows = displayContent.getWindowList();
+ for (int i = windows.size() - 1; i >= 0; i--) {
+ WindowState ws = windows.get(i);
+ if (!ws.mHasSurface) {
+ continue;
+ }
+ if (ws.mLayer >= aboveAppLayer) {
+ continue;
+ }
+ if (ws.mIsImWindow) {
+ if (!appIsImTarget) {
+ continue;
+ }
+ } else if (ws.mIsWallpaper) {
+ // Fall through.
+ } else if (appToken != null) {
+ if (ws.mAppToken == null || ws.mAppToken.token != appToken) {
+ // This app window is of no interest if it is not associated with the
+ // screenshot app.
+ continue;
+ }
+ appWin = ws;
+ }
+
+ // Include this window.
+
+ final WindowStateAnimator winAnim = ws.mWinAnimator;
+ if (maxLayer < winAnim.mSurfaceLayer) {
+ maxLayer = winAnim.mSurfaceLayer;
+ }
+ if (minLayer > winAnim.mSurfaceLayer) {
+ minLayer = winAnim.mSurfaceLayer;
+ }
+
+ // Don't include wallpaper in bounds calculation
+ if (!ws.mIsWallpaper) {
+ final Rect wf = ws.mFrame;
+ final Rect cr = ws.mContentInsets;
+ int left = wf.left + cr.left;
+ int top = wf.top + cr.top;
+ int right = wf.right - cr.right;
+ int bottom = wf.bottom - cr.bottom;
+ frame.union(left, top, right, bottom);
+ ws.getStackBounds(stackBounds);
+ frame.intersect(stackBounds);
+ }
+
+ if (ws.mAppToken != null && ws.mAppToken.token == appToken &&
+ ws.isDisplayedLw()) {
+ screenshotReady = true;
+ }
+ }
+
+ if (appToken != null && appWin == null) {
+ // Can't find a window to snapshot.
+ if (DEBUG_SCREENSHOT) Slog.i(TAG,
+ "Screenshot: Couldn't find a surface matching " + appToken);
+ return null;
+ }
+
+ if (!screenshotReady) {
+ if (retryCount > MAX_SCREENSHOT_RETRIES) {
+ Slog.i(TAG, "Screenshot max retries " + retryCount + " of " + appToken +
+ " appWin=" + (appWin == null ? "null" : (appWin + " drawState=" +
+ appWin.mWinAnimator.mDrawState)));
+ return null;
+ }
+
+ // Delay and hope that window gets drawn.
+ if (DEBUG_SCREENSHOT) Slog.i(TAG, "Screenshot: No image ready for " + appToken
+ + ", " + appWin + " drawState=" + appWin.mWinAnimator.mDrawState);
+ continue;
+ }
+
+ // Screenshot is ready to be taken. Everything from here below will continue
+ // through the bottom of the loop and return a value. We only stay in the loop
+ // because we don't want to release the mWindowMap lock until the screenshot is
+ // taken.
+
+ if (maxLayer == 0) {
+ if (DEBUG_SCREENSHOT) Slog.i(TAG, "Screenshot of " + appToken
+ + ": returning null maxLayer=" + maxLayer);
+ return null;
+ }
+
+ // Constrain frame to the screen size.
+ frame.intersect(0, 0, dw, dh);
+
+ // Tell surface flinger what part of the image to crop. Take the top
+ // right part of the application, and crop the larger dimension to fit.
+ Rect crop = new Rect(frame);
+ if (width / (float) frame.width() < height / (float) frame.height()) {
+ int cropWidth = (int)((float)width / (float)height * frame.height());
+ crop.right = crop.left + cropWidth;
+ } else {
+ int cropHeight = (int)((float)height / (float)width * frame.width());
+ crop.bottom = crop.top + cropHeight;
+ }
+
+ // The screenshot API does not apply the current screen rotation.
+ rot = getDefaultDisplayContentLocked().getDisplay().getRotation();
+
+ if (rot == Surface.ROTATION_90 || rot == Surface.ROTATION_270) {
+ rot = (rot == Surface.ROTATION_90) ? Surface.ROTATION_270 : Surface.ROTATION_90;
+ }
+
+ // Surfaceflinger is not aware of orientation, so convert our logical
+ // crop to surfaceflinger's portrait orientation.
+ convertCropForSurfaceFlinger(crop, rot, dw, dh);
+
+ if (DEBUG_SCREENSHOT) {
+ Slog.i(TAG, "Screenshot: " + dw + "x" + dh + " from " + minLayer + " to "
+ + maxLayer + " appToken=" + appToken);
+ for (int i = 0; i < windows.size(); i++) {
+ WindowState win = windows.get(i);
+ Slog.i(TAG, win + ": " + win.mLayer
+ + " animLayer=" + win.mWinAnimator.mAnimLayer
+ + " surfaceLayer=" + win.mWinAnimator.mSurfaceLayer);
+ }
+ }
+
+ ScreenRotationAnimation screenRotationAnimation =
+ mAnimator.getScreenRotationAnimationLocked(Display.DEFAULT_DISPLAY);
+ final boolean inRotation = screenRotationAnimation != null &&
+ screenRotationAnimation.isAnimating();
+ if (DEBUG_SCREENSHOT && inRotation) Slog.v(TAG,
+ "Taking screenshot while rotating");
+
+ bm = SurfaceControl.screenshot(crop, width, height, minLayer, maxLayer,
+ inRotation, rot);
+ if (bm == null) {
+ Slog.w(TAG, "Screenshot failure taking screenshot for (" + dw + "x" + dh
+ + ") to layer " + maxLayer);
+ return null;
+ }
+ }
+
+ break;
+ }
+
+ if (DEBUG_SCREENSHOT) {
+ // TEST IF IT's ALL BLACK
+ int[] buffer = new int[bm.getWidth() * bm.getHeight()];
+ bm.getPixels(buffer, 0, bm.getWidth(), 0, 0, bm.getWidth(), bm.getHeight());
+ boolean allBlack = true;
+ final int firstColor = buffer[0];
+ for (int i = 0; i < buffer.length; i++) {
+ if (buffer[i] != firstColor) {
+ allBlack = false;
+ break;
+ }
+ }
+ if (allBlack) {
+ Slog.i(TAG, "Screenshot " + appWin + " was monochrome(" +
+ Integer.toHexString(firstColor) + ")! mSurfaceLayer=" +
+ (appWin != null ? appWin.mWinAnimator.mSurfaceLayer : "null") +
+ " minLayer=" + minLayer + " maxLayer=" + maxLayer);
+ }
+ }
+
+ // Copy the screenshot bitmap to another buffer so that the gralloc backed
+ // bitmap will not have a long lifetime. Gralloc memory can be pinned or
+ // duplicated and might have a higher cost than a skia backed buffer.
+ Bitmap ret = bm.copy(bm.getConfig(),true);
+ bm.recycle();
+ return ret;
+ }
+
+ /**
+ * Freeze rotation changes. (Enable "rotation lock".)
+ * Persists across reboots.
+ * @param rotation The desired rotation to freeze to, or -1 to use the
+ * current rotation.
+ */
+ @Override
+ public void freezeRotation(int rotation) {
+ if (!checkCallingPermission(android.Manifest.permission.SET_ORIENTATION,
+ "freezeRotation()")) {
+ throw new SecurityException("Requires SET_ORIENTATION permission");
+ }
+ if (rotation < -1 || rotation > Surface.ROTATION_270) {
+ throw new IllegalArgumentException("Rotation argument must be -1 or a valid "
+ + "rotation constant.");
+ }
+
+ if (DEBUG_ORIENTATION) Slog.v(TAG, "freezeRotation: mRotation=" + mRotation);
+
+ long origId = Binder.clearCallingIdentity();
+ try {
+ mPolicy.setUserRotationMode(WindowManagerPolicy.USER_ROTATION_LOCKED,
+ rotation == -1 ? mRotation : rotation);
+ } finally {
+ Binder.restoreCallingIdentity(origId);
+ }
+
+ updateRotationUnchecked(false, false);
+ }
+
+ /**
+ * Thaw rotation changes. (Disable "rotation lock".)
+ * Persists across reboots.
+ */
+ @Override
+ public void thawRotation() {
+ if (!checkCallingPermission(android.Manifest.permission.SET_ORIENTATION,
+ "thawRotation()")) {
+ throw new SecurityException("Requires SET_ORIENTATION permission");
+ }
+
+ if (DEBUG_ORIENTATION) Slog.v(TAG, "thawRotation: mRotation=" + mRotation);
+
+ long origId = Binder.clearCallingIdentity();
+ try {
+ mPolicy.setUserRotationMode(WindowManagerPolicy.USER_ROTATION_FREE,
+ 777); // rot not used
+ } finally {
+ Binder.restoreCallingIdentity(origId);
+ }
+
+ updateRotationUnchecked(false, false);
+ }
+
+ /**
+ * Recalculate the current rotation.
+ *
+ * Called by the window manager policy whenever the state of the system changes
+ * such that the current rotation might need to be updated, such as when the
+ * device is docked or rotated into a new posture.
+ */
+ @Override
+ public void updateRotation(boolean alwaysSendConfiguration, boolean forceRelayout) {
+ updateRotationUnchecked(alwaysSendConfiguration, forceRelayout);
+ }
+
+ /**
+ * Temporarily pauses rotation changes until resumed.
+ *
+ * This can be used to prevent rotation changes from occurring while the user is
+ * performing certain operations, such as drag and drop.
+ *
+ * This call nests and must be matched by an equal number of calls to
+ * {@link #resumeRotationLocked}.
+ */
+ void pauseRotationLocked() {
+ mDeferredRotationPauseCount += 1;
+ }
+
+ /**
+ * Resumes normal rotation changes after being paused.
+ */
+ void resumeRotationLocked() {
+ if (mDeferredRotationPauseCount > 0) {
+ mDeferredRotationPauseCount -= 1;
+ if (mDeferredRotationPauseCount == 0) {
+ boolean changed = updateRotationUncheckedLocked(false);
+ if (changed) {
+ mH.sendEmptyMessage(H.SEND_NEW_CONFIGURATION);
+ }
+ }
+ }
+ }
+
+ public void updateRotationUnchecked(boolean alwaysSendConfiguration, boolean forceRelayout) {
+ if(DEBUG_ORIENTATION) Slog.v(TAG, "updateRotationUnchecked("
+ + "alwaysSendConfiguration=" + alwaysSendConfiguration + ")");
+
+ long origId = Binder.clearCallingIdentity();
+ boolean changed;
+ synchronized(mWindowMap) {
+ changed = updateRotationUncheckedLocked(false);
+ if (!changed || forceRelayout) {
+ getDefaultDisplayContentLocked().layoutNeeded = true;
+ performLayoutAndPlaceSurfacesLocked();
+ }
+ }
+
+ if (changed || alwaysSendConfiguration) {
+ sendNewConfiguration();
+ }
+
+ Binder.restoreCallingIdentity(origId);
+ }
+
+ // TODO(multidisplay): Rotate any display?
+ /**
+ * Updates the current rotation.
+ *
+ * Returns true if the rotation has been changed. In this case YOU
+ * MUST CALL sendNewConfiguration() TO UNFREEZE THE SCREEN.
+ */
+ public boolean updateRotationUncheckedLocked(boolean inTransaction) {
+ if (mDeferredRotationPauseCount > 0) {
+ // Rotation updates have been paused temporarily. Defer the update until
+ // updates have been resumed.
+ if (DEBUG_ORIENTATION) Slog.v(TAG, "Deferring rotation, rotation is paused.");
+ return false;
+ }
+
+ ScreenRotationAnimation screenRotationAnimation =
+ mAnimator.getScreenRotationAnimationLocked(Display.DEFAULT_DISPLAY);
+ if (screenRotationAnimation != null && screenRotationAnimation.isAnimating()) {
+ // Rotation updates cannot be performed while the previous rotation change
+ // animation is still in progress. Skip this update. We will try updating
+ // again after the animation is finished and the display is unfrozen.
+ if (DEBUG_ORIENTATION) Slog.v(TAG, "Deferring rotation, animation in progress.");
+ return false;
+ }
+
+ if (!mDisplayEnabled) {
+ // No point choosing a rotation if the display is not enabled.
+ if (DEBUG_ORIENTATION) Slog.v(TAG, "Deferring rotation, display is not enabled.");
+ return false;
+ }
+
+ // TODO: Implement forced rotation changes.
+ // Set mAltOrientation to indicate that the application is receiving
+ // an orientation that has different metrics than it expected.
+ // eg. Portrait instead of Landscape.
+
+ int rotation = mPolicy.rotationForOrientationLw(mForcedAppOrientation, mRotation);
+ boolean altOrientation = !mPolicy.rotationHasCompatibleMetricsLw(
+ mForcedAppOrientation, rotation);
+
+ if (DEBUG_ORIENTATION) {
+ Slog.v(TAG, "Application requested orientation "
+ + mForcedAppOrientation + ", got rotation " + rotation
+ + " which has " + (altOrientation ? "incompatible" : "compatible")
+ + " metrics");
+ }
+
+ if (mRotation == rotation && mAltOrientation == altOrientation) {
+ // No change.
+ return false;
+ }
+
+ if (DEBUG_ORIENTATION) {
+ Slog.v(TAG,
+ "Rotation changed to " + rotation + (altOrientation ? " (alt)" : "")
+ + " from " + mRotation + (mAltOrientation ? " (alt)" : "")
+ + ", forceApp=" + mForcedAppOrientation);
+ }
+
+ mRotation = rotation;
+ mAltOrientation = altOrientation;
+ mPolicy.setRotationLw(mRotation);
+
+ mWindowsFreezingScreen = true;
+ mH.removeMessages(H.WINDOW_FREEZE_TIMEOUT);
+ mH.sendEmptyMessageDelayed(H.WINDOW_FREEZE_TIMEOUT, WINDOW_FREEZE_TIMEOUT_DURATION);
+ mWaitingForConfig = true;
+ final DisplayContent displayContent = getDefaultDisplayContentLocked();
+ displayContent.layoutNeeded = true;
+ final int[] anim = new int[2];
+ if (displayContent.isDimming()) {
+ anim[0] = anim[1] = 0;
+ } else {
+ mPolicy.selectRotationAnimationLw(anim);
+ }
+ startFreezingDisplayLocked(inTransaction, anim[0], anim[1]);
+ // startFreezingDisplayLocked can reset the ScreenRotationAnimation.
+ screenRotationAnimation =
+ mAnimator.getScreenRotationAnimationLocked(Display.DEFAULT_DISPLAY);
+
+ // We need to update our screen size information to match the new
+ // rotation. Note that this is redundant with the later call to
+ // sendNewConfiguration() that must be called after this function
+ // returns... however we need to do the screen size part of that
+ // before then so we have the correct size to use when initializing
+ // the rotation animation for the new rotation.
+ computeScreenConfigurationLocked(null);
+
+ final DisplayInfo displayInfo = displayContent.getDisplayInfo();
+ if (!inTransaction) {
+ if (SHOW_TRANSACTIONS) {
+ Slog.i(TAG, ">>> OPEN TRANSACTION setRotationUnchecked");
+ }
+ SurfaceControl.openTransaction();
+ }
+ try {
+ // NOTE: We disable the rotation in the emulator because
+ // it doesn't support hardware OpenGL emulation yet.
+ if (CUSTOM_SCREEN_ROTATION && screenRotationAnimation != null
+ && screenRotationAnimation.hasScreenshot()) {
+ if (screenRotationAnimation.setRotationInTransaction(
+ rotation, mFxSession,
+ MAX_ANIMATION_DURATION, getTransitionAnimationScaleLocked(),
+ displayInfo.logicalWidth, displayInfo.logicalHeight)) {
+ scheduleAnimationLocked();
+ }
+ }
+
+ mDisplayManagerInternal.performTraversalInTransactionFromWindowManager();
+ } finally {
+ if (!inTransaction) {
+ SurfaceControl.closeTransaction();
+ if (SHOW_LIGHT_TRANSACTIONS) {
+ Slog.i(TAG, "<<< CLOSE TRANSACTION setRotationUnchecked");
+ }
+ }
+ }
+
+ final WindowList windows = displayContent.getWindowList();
+ for (int i = windows.size() - 1; i >= 0; i--) {
+ WindowState w = windows.get(i);
+ if (w.mHasSurface) {
+ if (DEBUG_ORIENTATION) Slog.v(TAG, "Set mOrientationChanging of " + w);
+ w.mOrientationChanging = true;
+ mInnerFields.mOrientationChangeComplete = false;
+ }
+ w.mLastFreezeDuration = 0;
+ }
+
+ for (int i=mRotationWatchers.size()-1; i>=0; i--) {
+ try {
+ mRotationWatchers.get(i).watcher.onRotationChanged(rotation);
+ } catch (RemoteException e) {
+ }
+ }
+
+ //TODO (multidisplay): Magnification is supported only for the default display.
+ // Announce rotation only if we will not animate as we already have the
+ // windows in final state. Otherwise, we make this call at the rotation end.
+ if (screenRotationAnimation == null && mAccessibilityController != null
+ && displayContent.getDisplayId() == Display.DEFAULT_DISPLAY) {
+ mAccessibilityController.onRotationChangedLocked(getDefaultDisplayContentLocked(),
+ rotation);
+ }
+
+ return true;
+ }
+
+ @Override
+ public int getRotation() {
+ return mRotation;
+ }
+
+ @Override
+ public boolean isRotationFrozen() {
+ return mPolicy.getUserRotationMode() == WindowManagerPolicy.USER_ROTATION_LOCKED;
+ }
+
+ @Override
+ public int watchRotation(IRotationWatcher watcher) {
+ final IBinder watcherBinder = watcher.asBinder();
+ IBinder.DeathRecipient dr = new IBinder.DeathRecipient() {
+ @Override
+ public void binderDied() {
+ synchronized (mWindowMap) {
+ for (int i=0; i<mRotationWatchers.size(); i++) {
+ if (watcherBinder == mRotationWatchers.get(i).watcher.asBinder()) {
+ RotationWatcher removed = mRotationWatchers.remove(i);
+ IBinder binder = removed.watcher.asBinder();
+ if (binder != null) {
+ binder.unlinkToDeath(this, 0);
+ }
+ i--;
+ }
+ }
+ }
+ }
+ };
+
+ synchronized (mWindowMap) {
+ try {
+ watcher.asBinder().linkToDeath(dr, 0);
+ mRotationWatchers.add(new RotationWatcher(watcher, dr));
+ } catch (RemoteException e) {
+ // Client died, no cleanup needed.
+ }
+
+ return mRotation;
+ }
+ }
+
+ @Override
+ public void removeRotationWatcher(IRotationWatcher watcher) {
+ final IBinder watcherBinder = watcher.asBinder();
+ synchronized (mWindowMap) {
+ for (int i=0; i<mRotationWatchers.size(); i++) {
+ RotationWatcher rotationWatcher = mRotationWatchers.get(i);
+ if (watcherBinder == rotationWatcher.watcher.asBinder()) {
+ RotationWatcher removed = mRotationWatchers.remove(i);
+ IBinder binder = removed.watcher.asBinder();
+ if (binder != null) {
+ binder.unlinkToDeath(removed.deathRecipient, 0);
+ }
+ i--;
+ }
+ }
+ }
+ }
+
+ /**
+ * Apps that use the compact menu panel (as controlled by the panelMenuIsCompact
+ * theme attribute) on devices that feature a physical options menu key attempt to position
+ * their menu panel window along the edge of the screen nearest the physical menu key.
+ * This lowers the travel distance between invoking the menu panel and selecting
+ * a menu option.
+ *
+ * This method helps control where that menu is placed. Its current implementation makes
+ * assumptions about the menu key and its relationship to the screen based on whether
+ * the device's natural orientation is portrait (width < height) or landscape.
+ *
+ * The menu key is assumed to be located along the bottom edge of natural-portrait
+ * devices and along the right edge of natural-landscape devices. If these assumptions
+ * do not hold for the target device, this method should be changed to reflect that.
+ *
+ * @return A {@link Gravity} value for placing the options menu window
+ */
+ @Override
+ public int getPreferredOptionsPanelGravity() {
+ synchronized (mWindowMap) {
+ final int rotation = getRotation();
+
+ // TODO(multidisplay): Assume that such devices physical keys are on the main screen.
+ final DisplayContent displayContent = getDefaultDisplayContentLocked();
+ if (displayContent.mInitialDisplayWidth < displayContent.mInitialDisplayHeight) {
+ // On devices with a natural orientation of portrait
+ switch (rotation) {
+ default:
+ case Surface.ROTATION_0:
+ return Gravity.CENTER_HORIZONTAL | Gravity.BOTTOM;
+ case Surface.ROTATION_90:
+ return Gravity.RIGHT | Gravity.BOTTOM;
+ case Surface.ROTATION_180:
+ return Gravity.CENTER_HORIZONTAL | Gravity.BOTTOM;
+ case Surface.ROTATION_270:
+ return Gravity.START | Gravity.BOTTOM;
+ }
+ }
+
+ // On devices with a natural orientation of landscape
+ switch (rotation) {
+ default:
+ case Surface.ROTATION_0:
+ return Gravity.RIGHT | Gravity.BOTTOM;
+ case Surface.ROTATION_90:
+ return Gravity.CENTER_HORIZONTAL | Gravity.BOTTOM;
+ case Surface.ROTATION_180:
+ return Gravity.START | Gravity.BOTTOM;
+ case Surface.ROTATION_270:
+ return Gravity.CENTER_HORIZONTAL | Gravity.BOTTOM;
+ }
+ }
+ }
+
+ /**
+ * Starts the view server on the specified port.
+ *
+ * @param port The port to listener to.
+ *
+ * @return True if the server was successfully started, false otherwise.
+ *
+ * @see com.android.server.wm.ViewServer
+ * @see com.android.server.wm.ViewServer#VIEW_SERVER_DEFAULT_PORT
+ */
+ @Override
+ public boolean startViewServer(int port) {
+ if (isSystemSecure()) {
+ return false;
+ }
+
+ if (!checkCallingPermission(Manifest.permission.DUMP, "startViewServer")) {
+ return false;
+ }
+
+ if (port < 1024) {
+ return false;
+ }
+
+ if (mViewServer != null) {
+ if (!mViewServer.isRunning()) {
+ try {
+ return mViewServer.start();
+ } catch (IOException e) {
+ Slog.w(TAG, "View server did not start");
+ }
+ }
+ return false;
+ }
+
+ try {
+ mViewServer = new ViewServer(this, port);
+ return mViewServer.start();
+ } catch (IOException e) {
+ Slog.w(TAG, "View server did not start");
+ }
+ return false;
+ }
+
+ private boolean isSystemSecure() {
+ return "1".equals(SystemProperties.get(SYSTEM_SECURE, "1")) &&
+ "0".equals(SystemProperties.get(SYSTEM_DEBUGGABLE, "0"));
+ }
+
+ /**
+ * Stops the view server if it exists.
+ *
+ * @return True if the server stopped, false if it wasn't started or
+ * couldn't be stopped.
+ *
+ * @see com.android.server.wm.ViewServer
+ */
+ @Override
+ public boolean stopViewServer() {
+ if (isSystemSecure()) {
+ return false;
+ }
+
+ if (!checkCallingPermission(Manifest.permission.DUMP, "stopViewServer")) {
+ return false;
+ }
+
+ if (mViewServer != null) {
+ return mViewServer.stop();
+ }
+ return false;
+ }
+
+ /**
+ * Indicates whether the view server is running.
+ *
+ * @return True if the server is running, false otherwise.
+ *
+ * @see com.android.server.wm.ViewServer
+ */
+ @Override
+ public boolean isViewServerRunning() {
+ if (isSystemSecure()) {
+ return false;
+ }
+
+ if (!checkCallingPermission(Manifest.permission.DUMP, "isViewServerRunning")) {
+ return false;
+ }
+
+ return mViewServer != null && mViewServer.isRunning();
+ }
+
+ /**
+ * Lists all availble windows in the system. The listing is written in the
+ * specified Socket's output stream with the following syntax:
+ * windowHashCodeInHexadecimal windowName
+ * Each line of the ouput represents a different window.
+ *
+ * @param client The remote client to send the listing to.
+ * @return False if an error occured, true otherwise.
+ */
+ boolean viewServerListWindows(Socket client) {
+ if (isSystemSecure()) {
+ return false;
+ }
+
+ boolean result = true;
+
+ WindowList windows = new WindowList();
+ synchronized (mWindowMap) {
+ //noinspection unchecked
+ final int numDisplays = mDisplayContents.size();
+ for (int displayNdx = 0; displayNdx < numDisplays; ++displayNdx) {
+ final DisplayContent displayContent = mDisplayContents.valueAt(displayNdx);
+ windows.addAll(displayContent.getWindowList());
+ }
+ }
+
+ BufferedWriter out = null;
+
+ // Any uncaught exception will crash the system process
+ try {
+ OutputStream clientStream = client.getOutputStream();
+ out = new BufferedWriter(new OutputStreamWriter(clientStream), 8 * 1024);
+
+ final int count = windows.size();
+ for (int i = 0; i < count; i++) {
+ final WindowState w = windows.get(i);
+ out.write(Integer.toHexString(System.identityHashCode(w)));
+ out.write(' ');
+ out.append(w.mAttrs.getTitle());
+ out.write('\n');
+ }
+
+ out.write("DONE.\n");
+ out.flush();
+ } catch (Exception e) {
+ result = false;
+ } finally {
+ if (out != null) {
+ try {
+ out.close();
+ } catch (IOException e) {
+ result = false;
+ }
+ }
+ }
+
+ return result;
+ }
+
+ // TODO(multidisplay): Extend to multiple displays.
+ /**
+ * Returns the focused window in the following format:
+ * windowHashCodeInHexadecimal windowName
+ *
+ * @param client The remote client to send the listing to.
+ * @return False if an error occurred, true otherwise.
+ */
+ boolean viewServerGetFocusedWindow(Socket client) {
+ if (isSystemSecure()) {
+ return false;
+ }
+
+ boolean result = true;
+
+ WindowState focusedWindow = getFocusedWindow();
+
+ BufferedWriter out = null;
+
+ // Any uncaught exception will crash the system process
+ try {
+ OutputStream clientStream = client.getOutputStream();
+ out = new BufferedWriter(new OutputStreamWriter(clientStream), 8 * 1024);
+
+ if(focusedWindow != null) {
+ out.write(Integer.toHexString(System.identityHashCode(focusedWindow)));
+ out.write(' ');
+ out.append(focusedWindow.mAttrs.getTitle());
+ }
+ out.write('\n');
+ out.flush();
+ } catch (Exception e) {
+ result = false;
+ } finally {
+ if (out != null) {
+ try {
+ out.close();
+ } catch (IOException e) {
+ result = false;
+ }
+ }
+ }
+
+ return result;
+ }
+
+ /**
+ * Sends a command to a target window. The result of the command, if any, will be
+ * written in the output stream of the specified socket.
+ *
+ * The parameters must follow this syntax:
+ * windowHashcode extra
+ *
+ * Where XX is the length in characeters of the windowTitle.
+ *
+ * The first parameter is the target window. The window with the specified hashcode
+ * will be the target. If no target can be found, nothing happens. The extra parameters
+ * will be delivered to the target window and as parameters to the command itself.
+ *
+ * @param client The remote client to sent the result, if any, to.
+ * @param command The command to execute.
+ * @param parameters The command parameters.
+ *
+ * @return True if the command was successfully delivered, false otherwise. This does
+ * not indicate whether the command itself was successful.
+ */
+ boolean viewServerWindowCommand(Socket client, String command, String parameters) {
+ if (isSystemSecure()) {
+ return false;
+ }
+
+ boolean success = true;
+ Parcel data = null;
+ Parcel reply = null;
+
+ BufferedWriter out = null;
+
+ // Any uncaught exception will crash the system process
+ try {
+ // Find the hashcode of the window
+ int index = parameters.indexOf(' ');
+ if (index == -1) {
+ index = parameters.length();
+ }
+ final String code = parameters.substring(0, index);
+ int hashCode = (int) Long.parseLong(code, 16);
+
+ // Extract the command's parameter after the window description
+ if (index < parameters.length()) {
+ parameters = parameters.substring(index + 1);
+ } else {
+ parameters = "";
+ }
+
+ final WindowState window = findWindow(hashCode);
+ if (window == null) {
+ return false;
+ }
+
+ data = Parcel.obtain();
+ data.writeInterfaceToken("android.view.IWindow");
+ data.writeString(command);
+ data.writeString(parameters);
+ data.writeInt(1);
+ ParcelFileDescriptor.fromSocket(client).writeToParcel(data, 0);
+
+ reply = Parcel.obtain();
+
+ final IBinder binder = window.mClient.asBinder();
+ // TODO: GET THE TRANSACTION CODE IN A SAFER MANNER
+ binder.transact(IBinder.FIRST_CALL_TRANSACTION, data, reply, 0);
+
+ reply.readException();
+
+ if (!client.isOutputShutdown()) {
+ out = new BufferedWriter(new OutputStreamWriter(client.getOutputStream()));
+ out.write("DONE\n");
+ out.flush();
+ }
+
+ } catch (Exception e) {
+ Slog.w(TAG, "Could not send command " + command + " with parameters " + parameters, e);
+ success = false;
+ } finally {
+ if (data != null) {
+ data.recycle();
+ }
+ if (reply != null) {
+ reply.recycle();
+ }
+ if (out != null) {
+ try {
+ out.close();
+ } catch (IOException e) {
+
+ }
+ }
+ }
+
+ return success;
+ }
+
+ public void addWindowChangeListener(WindowChangeListener listener) {
+ synchronized(mWindowMap) {
+ mWindowChangeListeners.add(listener);
+ }
+ }
+
+ public void removeWindowChangeListener(WindowChangeListener listener) {
+ synchronized(mWindowMap) {
+ mWindowChangeListeners.remove(listener);
+ }
+ }
+
+ private void notifyWindowsChanged() {
+ WindowChangeListener[] windowChangeListeners;
+ synchronized(mWindowMap) {
+ if(mWindowChangeListeners.isEmpty()) {
+ return;
+ }
+ windowChangeListeners = new WindowChangeListener[mWindowChangeListeners.size()];
+ windowChangeListeners = mWindowChangeListeners.toArray(windowChangeListeners);
+ }
+ int N = windowChangeListeners.length;
+ for(int i = 0; i < N; i++) {
+ windowChangeListeners[i].windowsChanged();
+ }
+ }
+
+ private void notifyFocusChanged() {
+ WindowChangeListener[] windowChangeListeners;
+ synchronized(mWindowMap) {
+ if(mWindowChangeListeners.isEmpty()) {
+ return;
+ }
+ windowChangeListeners = new WindowChangeListener[mWindowChangeListeners.size()];
+ windowChangeListeners = mWindowChangeListeners.toArray(windowChangeListeners);
+ }
+ int N = windowChangeListeners.length;
+ for(int i = 0; i < N; i++) {
+ windowChangeListeners[i].focusChanged();
+ }
+ }
+
+ private WindowState findWindow(int hashCode) {
+ if (hashCode == -1) {
+ // TODO(multidisplay): Extend to multiple displays.
+ return getFocusedWindow();
+ }
+
+ synchronized (mWindowMap) {
+ final int numDisplays = mDisplayContents.size();
+ for (int displayNdx = 0; displayNdx < numDisplays; ++displayNdx) {
+ final WindowList windows = mDisplayContents.valueAt(displayNdx).getWindowList();
+ final int numWindows = windows.size();
+ for (int winNdx = 0; winNdx < numWindows; ++winNdx) {
+ final WindowState w = windows.get(winNdx);
+ if (System.identityHashCode(w) == hashCode) {
+ return w;
+ }
+ }
+ }
+ }
+
+ return null;
+ }
+
+ /*
+ * Instruct the Activity Manager to fetch the current configuration and broadcast
+ * that to config-changed listeners if appropriate.
+ */
+ void sendNewConfiguration() {
+ try {
+ mActivityManager.updateConfiguration(null);
+ } catch (RemoteException e) {
+ }
+ }
+
+ public Configuration computeNewConfiguration() {
+ synchronized (mWindowMap) {
+ Configuration config = computeNewConfigurationLocked();
+ if (config == null && mWaitingForConfig) {
+ // Nothing changed but we are waiting for something... stop that!
+ mWaitingForConfig = false;
+ mLastFinishedFreezeSource = "new-config";
+ performLayoutAndPlaceSurfacesLocked();
+ }
+ return config;
+ }
+ }
+
+ Configuration computeNewConfigurationLocked() {
+ Configuration config = new Configuration();
+ config.fontScale = 0;
+ if (!computeScreenConfigurationLocked(config)) {
+ return null;
+ }
+ return config;
+ }
+
+ private void adjustDisplaySizeRanges(DisplayInfo displayInfo, int rotation, int dw, int dh) {
+ // TODO: Multidisplay: for now only use with default display.
+ final int width = mPolicy.getConfigDisplayWidth(dw, dh, rotation);
+ if (width < displayInfo.smallestNominalAppWidth) {
+ displayInfo.smallestNominalAppWidth = width;
+ }
+ if (width > displayInfo.largestNominalAppWidth) {
+ displayInfo.largestNominalAppWidth = width;
+ }
+ final int height = mPolicy.getConfigDisplayHeight(dw, dh, rotation);
+ if (height < displayInfo.smallestNominalAppHeight) {
+ displayInfo.smallestNominalAppHeight = height;
+ }
+ if (height > displayInfo.largestNominalAppHeight) {
+ displayInfo.largestNominalAppHeight = height;
+ }
+ }
+
+ private int reduceConfigLayout(int curLayout, int rotation, float density,
+ int dw, int dh) {
+ // TODO: Multidisplay: for now only use with default display.
+ // Get the app screen size at this rotation.
+ int w = mPolicy.getNonDecorDisplayWidth(dw, dh, rotation);
+ int h = mPolicy.getNonDecorDisplayHeight(dw, dh, rotation);
+
+ // Compute the screen layout size class for this rotation.
+ int longSize = w;
+ int shortSize = h;
+ if (longSize < shortSize) {
+ int tmp = longSize;
+ longSize = shortSize;
+ shortSize = tmp;
+ }
+ longSize = (int)(longSize/density);
+ shortSize = (int)(shortSize/density);
+ return Configuration.reduceScreenLayout(curLayout, longSize, shortSize);
+ }
+
+ private void computeSizeRangesAndScreenLayout(DisplayInfo displayInfo, boolean rotated,
+ int dw, int dh, float density, Configuration outConfig) {
+ // TODO: Multidisplay: for now only use with default display.
+
+ // We need to determine the smallest width that will occur under normal
+ // operation. To this, start with the base screen size and compute the
+ // width under the different possible rotations. We need to un-rotate
+ // the current screen dimensions before doing this.
+ int unrotDw, unrotDh;
+ if (rotated) {
+ unrotDw = dh;
+ unrotDh = dw;
+ } else {
+ unrotDw = dw;
+ unrotDh = dh;
+ }
+ displayInfo.smallestNominalAppWidth = 1<<30;
+ displayInfo.smallestNominalAppHeight = 1<<30;
+ displayInfo.largestNominalAppWidth = 0;
+ displayInfo.largestNominalAppHeight = 0;
+ adjustDisplaySizeRanges(displayInfo, Surface.ROTATION_0, unrotDw, unrotDh);
+ adjustDisplaySizeRanges(displayInfo, Surface.ROTATION_90, unrotDh, unrotDw);
+ adjustDisplaySizeRanges(displayInfo, Surface.ROTATION_180, unrotDw, unrotDh);
+ adjustDisplaySizeRanges(displayInfo, Surface.ROTATION_270, unrotDh, unrotDw);
+ int sl = Configuration.resetScreenLayout(outConfig.screenLayout);
+ sl = reduceConfigLayout(sl, Surface.ROTATION_0, density, unrotDw, unrotDh);
+ sl = reduceConfigLayout(sl, Surface.ROTATION_90, density, unrotDh, unrotDw);
+ sl = reduceConfigLayout(sl, Surface.ROTATION_180, density, unrotDw, unrotDh);
+ sl = reduceConfigLayout(sl, Surface.ROTATION_270, density, unrotDh, unrotDw);
+ outConfig.smallestScreenWidthDp = (int)(displayInfo.smallestNominalAppWidth / density);
+ outConfig.screenLayout = sl;
+ }
+
+ private int reduceCompatConfigWidthSize(int curSize, int rotation, DisplayMetrics dm,
+ int dw, int dh) {
+ // TODO: Multidisplay: for now only use with default display.
+ dm.noncompatWidthPixels = mPolicy.getNonDecorDisplayWidth(dw, dh, rotation);
+ dm.noncompatHeightPixels = mPolicy.getNonDecorDisplayHeight(dw, dh, rotation);
+ float scale = CompatibilityInfo.computeCompatibleScaling(dm, null);
+ int size = (int)(((dm.noncompatWidthPixels / scale) / dm.density) + .5f);
+ if (curSize == 0 || size < curSize) {
+ curSize = size;
+ }
+ return curSize;
+ }
+
+ private int computeCompatSmallestWidth(boolean rotated, DisplayMetrics dm, int dw, int dh) {
+ // TODO: Multidisplay: for now only use with default display.
+ mTmpDisplayMetrics.setTo(dm);
+ final DisplayMetrics tmpDm = mTmpDisplayMetrics;
+ final int unrotDw, unrotDh;
+ if (rotated) {
+ unrotDw = dh;
+ unrotDh = dw;
+ } else {
+ unrotDw = dw;
+ unrotDh = dh;
+ }
+ int sw = reduceCompatConfigWidthSize(0, Surface.ROTATION_0, tmpDm, unrotDw, unrotDh);
+ sw = reduceCompatConfigWidthSize(sw, Surface.ROTATION_90, tmpDm, unrotDh, unrotDw);
+ sw = reduceCompatConfigWidthSize(sw, Surface.ROTATION_180, tmpDm, unrotDw, unrotDh);
+ sw = reduceCompatConfigWidthSize(sw, Surface.ROTATION_270, tmpDm, unrotDh, unrotDw);
+ return sw;
+ }
+
+ boolean computeScreenConfigurationLocked(Configuration config) {
+ if (!mDisplayReady) {
+ return false;
+ }
+
+ // TODO(multidisplay): For now, apply Configuration to main screen only.
+ final DisplayContent displayContent = getDefaultDisplayContentLocked();
+
+ // Use the effective "visual" dimensions based on current rotation
+ final boolean rotated = (mRotation == Surface.ROTATION_90
+ || mRotation == Surface.ROTATION_270);
+ final int realdw = rotated ?
+ displayContent.mBaseDisplayHeight : displayContent.mBaseDisplayWidth;
+ final int realdh = rotated ?
+ displayContent.mBaseDisplayWidth : displayContent.mBaseDisplayHeight;
+ int dw = realdw;
+ int dh = realdh;
+
+ if (mAltOrientation) {
+ if (realdw > realdh) {
+ // Turn landscape into portrait.
+ int maxw = (int)(realdh/1.3f);
+ if (maxw < realdw) {
+ dw = maxw;
+ }
+ } else {
+ // Turn portrait into landscape.
+ int maxh = (int)(realdw/1.3f);
+ if (maxh < realdh) {
+ dh = maxh;
+ }
+ }
+ }
+
+ if (config != null) {
+ config.orientation = (dw <= dh) ? Configuration.ORIENTATION_PORTRAIT :
+ Configuration.ORIENTATION_LANDSCAPE;
+ }
+
+ // Update application display metrics.
+ final int appWidth = mPolicy.getNonDecorDisplayWidth(dw, dh, mRotation);
+ final int appHeight = mPolicy.getNonDecorDisplayHeight(dw, dh, mRotation);
+ final DisplayInfo displayInfo = displayContent.getDisplayInfo();
+ synchronized(displayContent.mDisplaySizeLock) {
+ displayInfo.rotation = mRotation;
+ displayInfo.logicalWidth = dw;
+ displayInfo.logicalHeight = dh;
+ displayInfo.logicalDensityDpi = displayContent.mBaseDisplayDensity;
+ displayInfo.appWidth = appWidth;
+ displayInfo.appHeight = appHeight;
+ displayInfo.getLogicalMetrics(mRealDisplayMetrics,
+ CompatibilityInfo.DEFAULT_COMPATIBILITY_INFO, null);
+ displayInfo.getAppMetrics(mDisplayMetrics);
+ mDisplayManagerInternal.setDisplayInfoOverrideFromWindowManager(
+ displayContent.getDisplayId(), displayInfo);
+ }
+ if (false) {
+ Slog.i(TAG, "Set app display size: " + appWidth + " x " + appHeight);
+ }
+
+ final DisplayMetrics dm = mDisplayMetrics;
+ mCompatibleScreenScale = CompatibilityInfo.computeCompatibleScaling(dm,
+ mCompatDisplayMetrics);
+
+ if (config != null) {
+ config.screenWidthDp = (int)(mPolicy.getConfigDisplayWidth(dw, dh, mRotation)
+ / dm.density);
+ config.screenHeightDp = (int)(mPolicy.getConfigDisplayHeight(dw, dh, mRotation)
+ / dm.density);
+ computeSizeRangesAndScreenLayout(displayInfo, rotated, dw, dh, dm.density, config);
+
+ config.compatScreenWidthDp = (int)(config.screenWidthDp / mCompatibleScreenScale);
+ config.compatScreenHeightDp = (int)(config.screenHeightDp / mCompatibleScreenScale);
+ config.compatSmallestScreenWidthDp = computeCompatSmallestWidth(rotated, dm, dw, dh);
+ config.densityDpi = displayContent.mBaseDisplayDensity;
+
+ // Update the configuration based on available input devices, lid switch,
+ // and platform configuration.
+ config.touchscreen = Configuration.TOUCHSCREEN_NOTOUCH;
+ config.keyboard = Configuration.KEYBOARD_NOKEYS;
+ config.navigation = Configuration.NAVIGATION_NONAV;
+
+ int keyboardPresence = 0;
+ int navigationPresence = 0;
+ final InputDevice[] devices = mInputManager.getInputDevices();
+ final int len = devices.length;
+ for (int i = 0; i < len; i++) {
+ InputDevice device = devices[i];
+ if (!device.isVirtual()) {
+ final int sources = device.getSources();
+ final int presenceFlag = device.isExternal() ?
+ WindowManagerPolicy.PRESENCE_EXTERNAL :
+ WindowManagerPolicy.PRESENCE_INTERNAL;
+
+ if (mIsTouchDevice) {
+ if ((sources & InputDevice.SOURCE_TOUCHSCREEN) ==
+ InputDevice.SOURCE_TOUCHSCREEN) {
+ config.touchscreen = Configuration.TOUCHSCREEN_FINGER;
+ }
+ } else {
+ config.touchscreen = Configuration.TOUCHSCREEN_NOTOUCH;
+ }
+
+ if ((sources & InputDevice.SOURCE_TRACKBALL) == InputDevice.SOURCE_TRACKBALL) {
+ config.navigation = Configuration.NAVIGATION_TRACKBALL;
+ navigationPresence |= presenceFlag;
+ } else if ((sources & InputDevice.SOURCE_DPAD) == InputDevice.SOURCE_DPAD
+ && config.navigation == Configuration.NAVIGATION_NONAV) {
+ config.navigation = Configuration.NAVIGATION_DPAD;
+ navigationPresence |= presenceFlag;
+ }
+
+ if (device.getKeyboardType() == InputDevice.KEYBOARD_TYPE_ALPHABETIC) {
+ config.keyboard = Configuration.KEYBOARD_QWERTY;
+ keyboardPresence |= presenceFlag;
+ }
+ }
+ }
+
+ if (config.navigation == Configuration.NAVIGATION_NONAV && mHasPermanentDpad) {
+ config.navigation = Configuration.NAVIGATION_DPAD;
+ navigationPresence |= WindowManagerPolicy.PRESENCE_INTERNAL;
+ }
+
+ // Determine whether a hard keyboard is available and enabled.
+ boolean hardKeyboardAvailable = config.keyboard != Configuration.KEYBOARD_NOKEYS;
+ if (hardKeyboardAvailable != mHardKeyboardAvailable) {
+ mHardKeyboardAvailable = hardKeyboardAvailable;
+ mH.removeMessages(H.REPORT_HARD_KEYBOARD_STATUS_CHANGE);
+ mH.sendEmptyMessage(H.REPORT_HARD_KEYBOARD_STATUS_CHANGE);
+ }
+ if (mShowImeWithHardKeyboard) {
+ config.keyboard = Configuration.KEYBOARD_NOKEYS;
+ }
+
+ // Let the policy update hidden states.
+ config.keyboardHidden = Configuration.KEYBOARDHIDDEN_NO;
+ config.hardKeyboardHidden = Configuration.HARDKEYBOARDHIDDEN_NO;
+ config.navigationHidden = Configuration.NAVIGATIONHIDDEN_NO;
+ mPolicy.adjustConfigurationLw(config, keyboardPresence, navigationPresence);
+ }
+
+ return true;
+ }
+
+ public boolean isHardKeyboardAvailable() {
+ synchronized (mWindowMap) {
+ return mHardKeyboardAvailable;
+ }
+ }
+
+ public void updateShowImeWithHardKeyboard() {
+ final boolean showImeWithHardKeyboard = Settings.Secure.getIntForUser(
+ mContext.getContentResolver(), Settings.Secure.SHOW_IME_WITH_HARD_KEYBOARD, 0,
+ mCurrentUserId) == 1;
+ synchronized (mWindowMap) {
+ if (mShowImeWithHardKeyboard != showImeWithHardKeyboard) {
+ mShowImeWithHardKeyboard = showImeWithHardKeyboard;
+ mH.sendEmptyMessage(H.SEND_NEW_CONFIGURATION);
+ }
+ }
+ }
+
+ public void setOnHardKeyboardStatusChangeListener(
+ OnHardKeyboardStatusChangeListener listener) {
+ synchronized (mWindowMap) {
+ mHardKeyboardStatusChangeListener = listener;
+ }
+ }
+
+ void notifyHardKeyboardStatusChange() {
+ final boolean available;
+ final OnHardKeyboardStatusChangeListener listener;
+ synchronized (mWindowMap) {
+ listener = mHardKeyboardStatusChangeListener;
+ available = mHardKeyboardAvailable;
+ }
+ if (listener != null) {
+ listener.onHardKeyboardStatusChange(available);
+ }
+ }
+
+ // -------------------------------------------------------------
+ // Drag and drop
+ // -------------------------------------------------------------
+
+ IBinder prepareDragSurface(IWindow window, SurfaceSession session,
+ int flags, int width, int height, Surface outSurface) {
+ if (DEBUG_DRAG) {
+ Slog.d(TAG, "prepare drag surface: w=" + width + " h=" + height
+ + " flags=" + Integer.toHexString(flags) + " win=" + window
+ + " asbinder=" + window.asBinder());
+ }
+
+ final int callerPid = Binder.getCallingPid();
+ final long origId = Binder.clearCallingIdentity();
+ IBinder token = null;
+
+ try {
+ synchronized (mWindowMap) {
+ try {
+ if (mDragState == null) {
+ // TODO(multi-display): support other displays
+ final DisplayContent displayContent = getDefaultDisplayContentLocked();
+ final Display display = displayContent.getDisplay();
+ SurfaceControl surface = new SurfaceControl(session, "drag surface",
+ width, height, PixelFormat.TRANSLUCENT, SurfaceControl.HIDDEN);
+ surface.setLayerStack(display.getLayerStack());
+ if (SHOW_TRANSACTIONS) Slog.i(TAG, " DRAG "
+ + surface + ": CREATE");
+ outSurface.copyFrom(surface);
+ final IBinder winBinder = window.asBinder();
+ token = new Binder();
+ mDragState = new DragState(this, token, surface, /*flags*/ 0, winBinder);
+ token = mDragState.mToken = new Binder();
+
+ // 5 second timeout for this window to actually begin the drag
+ mH.removeMessages(H.DRAG_START_TIMEOUT, winBinder);
+ Message msg = mH.obtainMessage(H.DRAG_START_TIMEOUT, winBinder);
+ mH.sendMessageDelayed(msg, 5000);
+ } else {
+ Slog.w(TAG, "Drag already in progress");
+ }
+ } catch (OutOfResourcesException e) {
+ Slog.e(TAG, "Can't allocate drag surface w=" + width + " h=" + height, e);
+ if (mDragState != null) {
+ mDragState.reset();
+ mDragState = null;
+ }
+ }
+ }
+ } finally {
+ Binder.restoreCallingIdentity(origId);
+ }
+
+ return token;
+ }
+
+ // -------------------------------------------------------------
+ // Input Events and Focus Management
+ // -------------------------------------------------------------
+
+ final InputMonitor mInputMonitor = new InputMonitor(this);
+ private boolean mEventDispatchingEnabled;
+
+ @Override
+ public void pauseKeyDispatching(IBinder _token) {
+ if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS,
+ "pauseKeyDispatching()")) {
+ throw new SecurityException("Requires MANAGE_APP_TOKENS permission");
+ }
+
+ synchronized (mWindowMap) {
+ WindowToken token = mTokenMap.get(_token);
+ if (token != null) {
+ mInputMonitor.pauseDispatchingLw(token);
+ }
+ }
+ }
+
+ @Override
+ public void resumeKeyDispatching(IBinder _token) {
+ if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS,
+ "resumeKeyDispatching()")) {
+ throw new SecurityException("Requires MANAGE_APP_TOKENS permission");
+ }
+
+ synchronized (mWindowMap) {
+ WindowToken token = mTokenMap.get(_token);
+ if (token != null) {
+ mInputMonitor.resumeDispatchingLw(token);
+ }
+ }
+ }
+
+ @Override
+ public void setEventDispatching(boolean enabled) {
+ if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS,
+ "setEventDispatching()")) {
+ throw new SecurityException("Requires MANAGE_APP_TOKENS permission");
+ }
+
+ synchronized (mWindowMap) {
+ mEventDispatchingEnabled = enabled;
+ if (mDisplayEnabled) {
+ mInputMonitor.setEventDispatchingLw(enabled);
+ }
+ }
+ }
+
+ private WindowState getFocusedWindow() {
+ synchronized (mWindowMap) {
+ return getFocusedWindowLocked();
+ }
+ }
+
+ private WindowState getFocusedWindowLocked() {
+ return mCurrentFocus;
+ }
+
+ public boolean detectSafeMode() {
+ if (!mInputMonitor.waitForInputDevicesReady(
+ INPUT_DEVICES_READY_FOR_SAFE_MODE_DETECTION_TIMEOUT_MILLIS)) {
+ Slog.w(TAG, "Devices still not ready after waiting "
+ + INPUT_DEVICES_READY_FOR_SAFE_MODE_DETECTION_TIMEOUT_MILLIS
+ + " milliseconds before attempting to detect safe mode.");
+ }
+
+ int menuState = mInputManager.getKeyCodeState(-1, InputDevice.SOURCE_ANY,
+ KeyEvent.KEYCODE_MENU);
+ int sState = mInputManager.getKeyCodeState(-1, InputDevice.SOURCE_ANY, KeyEvent.KEYCODE_S);
+ int dpadState = mInputManager.getKeyCodeState(-1, InputDevice.SOURCE_DPAD,
+ KeyEvent.KEYCODE_DPAD_CENTER);
+ int trackballState = mInputManager.getScanCodeState(-1, InputDevice.SOURCE_TRACKBALL,
+ InputManagerService.BTN_MOUSE);
+ int volumeDownState = mInputManager.getKeyCodeState(-1, InputDevice.SOURCE_ANY,
+ KeyEvent.KEYCODE_VOLUME_DOWN);
+ mSafeMode = menuState > 0 || sState > 0 || dpadState > 0 || trackballState > 0
+ || volumeDownState > 0;
+ try {
+ if (SystemProperties.getInt(ShutdownThread.REBOOT_SAFEMODE_PROPERTY, 0) != 0) {
+ mSafeMode = true;
+ SystemProperties.set(ShutdownThread.REBOOT_SAFEMODE_PROPERTY, "");
+ }
+ } catch (IllegalArgumentException e) {
+ }
+ if (mSafeMode) {
+ Log.i(TAG, "SAFE MODE ENABLED (menu=" + menuState + " s=" + sState
+ + " dpad=" + dpadState + " trackball=" + trackballState + ")");
+ } else {
+ Log.i(TAG, "SAFE MODE not enabled");
+ }
+ mPolicy.setSafeMode(mSafeMode);
+ return mSafeMode;
+ }
+
+ public void displayReady() {
+ displayReady(Display.DEFAULT_DISPLAY);
+
+ synchronized(mWindowMap) {
+ final DisplayContent displayContent = getDefaultDisplayContentLocked();
+ readForcedDisplaySizeAndDensityLocked(displayContent);
+ mDisplayReady = true;
+ }
+
+ try {
+ mActivityManager.updateConfiguration(null);
+ } catch (RemoteException e) {
+ }
+
+ synchronized(mWindowMap) {
+ mIsTouchDevice = mContext.getPackageManager().hasSystemFeature(
+ PackageManager.FEATURE_TOUCHSCREEN);
+ configureDisplayPolicyLocked(getDefaultDisplayContentLocked());
+ }
+
+ try {
+ mActivityManager.updateConfiguration(null);
+ } catch (RemoteException e) {
+ }
+ }
+
+ private void displayReady(int displayId) {
+ synchronized(mWindowMap) {
+ final DisplayContent displayContent = getDisplayContentLocked(displayId);
+ if (displayContent != null) {
+ mAnimator.addDisplayLocked(displayId);
+ synchronized(displayContent.mDisplaySizeLock) {
+ // Bootstrap the default logical display from the display manager.
+ final DisplayInfo displayInfo = displayContent.getDisplayInfo();
+ DisplayInfo newDisplayInfo = mDisplayManagerInternal.getDisplayInfo(displayId);
+ if (newDisplayInfo != null) {
+ displayInfo.copyFrom(newDisplayInfo);
+ }
+ displayContent.mInitialDisplayWidth = displayInfo.logicalWidth;
+ displayContent.mInitialDisplayHeight = displayInfo.logicalHeight;
+ displayContent.mInitialDisplayDensity = displayInfo.logicalDensityDpi;
+ displayContent.mBaseDisplayWidth = displayContent.mInitialDisplayWidth;
+ displayContent.mBaseDisplayHeight = displayContent.mInitialDisplayHeight;
+ displayContent.mBaseDisplayDensity = displayContent.mInitialDisplayDensity;
+ displayContent.mBaseDisplayRect.set(0, 0,
+ displayContent.mBaseDisplayWidth, displayContent.mBaseDisplayHeight);
+ }
+ }
+ }
+ }
+
+ public void systemReady() {
+ mPolicy.systemReady();
+ }
+
+ // -------------------------------------------------------------
+ // Async Handler
+ // -------------------------------------------------------------
+
+ final class H extends Handler {
+ public static final int REPORT_FOCUS_CHANGE = 2;
+ public static final int REPORT_LOSING_FOCUS = 3;
+ public static final int DO_TRAVERSAL = 4;
+ public static final int ADD_STARTING = 5;
+ public static final int REMOVE_STARTING = 6;
+ public static final int FINISHED_STARTING = 7;
+ public static final int REPORT_APPLICATION_TOKEN_WINDOWS = 8;
+ public static final int REPORT_APPLICATION_TOKEN_DRAWN = 9;
+ public static final int WINDOW_FREEZE_TIMEOUT = 11;
+
+ public static final int APP_TRANSITION_TIMEOUT = 13;
+ public static final int PERSIST_ANIMATION_SCALE = 14;
+ public static final int FORCE_GC = 15;
+ public static final int ENABLE_SCREEN = 16;
+ public static final int APP_FREEZE_TIMEOUT = 17;
+ public static final int SEND_NEW_CONFIGURATION = 18;
+ public static final int REPORT_WINDOWS_CHANGE = 19;
+ public static final int DRAG_START_TIMEOUT = 20;
+ public static final int DRAG_END_TIMEOUT = 21;
+ public static final int REPORT_HARD_KEYBOARD_STATUS_CHANGE = 22;
+ public static final int BOOT_TIMEOUT = 23;
+ public static final int WAITING_FOR_DRAWN_TIMEOUT = 24;
+ public static final int SHOW_STRICT_MODE_VIOLATION = 25;
+ public static final int DO_ANIMATION_CALLBACK = 26;
+
+ public static final int DO_DISPLAY_ADDED = 27;
+ public static final int DO_DISPLAY_REMOVED = 28;
+ public static final int DO_DISPLAY_CHANGED = 29;
+
+ public static final int CLIENT_FREEZE_TIMEOUT = 30;
+ public static final int TAP_OUTSIDE_STACK = 31;
+ public static final int NOTIFY_ACTIVITY_DRAWN = 32;
+
+ public static final int ALL_WINDOWS_DRAWN = 33;
+
+ public static final int NEW_ANIMATOR_SCALE = 34;
+
+ public static final int SHOW_CIRCULAR_DISPLAY_MASK = 35;
+ public static final int SHOW_EMULATOR_DISPLAY_OVERLAY = 36;
+
+ public static final int CHECK_IF_BOOT_ANIMATION_FINISHED = 37;
+
+ @Override
+ public void handleMessage(Message msg) {
+ if (DEBUG_WINDOW_TRACE) {
+ Slog.v(TAG, "handleMessage: entry what=" + msg.what);
+ }
+ switch (msg.what) {
+ case REPORT_FOCUS_CHANGE: {
+ WindowState lastFocus;
+ WindowState newFocus;
+
+ synchronized(mWindowMap) {
+ lastFocus = mLastFocus;
+ newFocus = mCurrentFocus;
+ if (lastFocus == newFocus) {
+ // Focus is not changing, so nothing to do.
+ return;
+ }
+ mLastFocus = newFocus;
+ if (DEBUG_FOCUS_LIGHT) Slog.i(TAG, "Focus moving from " + lastFocus +
+ " to " + newFocus);
+ if (newFocus != null && lastFocus != null
+ && !newFocus.isDisplayedLw()) {
+ //Slog.i(TAG, "Delaying loss of focus...");
+ mLosingFocus.add(lastFocus);
+ lastFocus = null;
+ }
+ }
+
+ //System.out.println("Changing focus from " + lastFocus
+ // + " to " + newFocus);
+ if (newFocus != null) {
+ if (DEBUG_FOCUS_LIGHT) Slog.i(TAG, "Gaining focus: " + newFocus);
+ newFocus.reportFocusChangedSerialized(true, mInTouchMode);
+ notifyFocusChanged();
+ }
+
+ if (lastFocus != null) {
+ if (DEBUG_FOCUS_LIGHT) Slog.i(TAG, "Losing focus: " + lastFocus);
+ lastFocus.reportFocusChangedSerialized(false, mInTouchMode);
+ }
+ } break;
+
+ case REPORT_LOSING_FOCUS: {
+ ArrayList<WindowState> losers;
+
+ synchronized(mWindowMap) {
+ losers = mLosingFocus;
+ mLosingFocus = new ArrayList<WindowState>();
+ }
+
+ final int N = losers.size();
+ for (int i=0; i<N; i++) {
+ if (DEBUG_FOCUS_LIGHT) Slog.i(TAG, "Losing delayed focus: " +
+ losers.get(i));
+ losers.get(i).reportFocusChangedSerialized(false, mInTouchMode);
+ }
+ } break;
+
+ case DO_TRAVERSAL: {
+ synchronized(mWindowMap) {
+ mTraversalScheduled = false;
+ performLayoutAndPlaceSurfacesLocked();
+ }
+ } break;
+
+ case ADD_STARTING: {
+ final AppWindowToken wtoken = (AppWindowToken)msg.obj;
+ final StartingData sd = wtoken.startingData;
+
+ if (sd == null) {
+ // Animation has been canceled... do nothing.
+ return;
+ }
+
+ if (DEBUG_STARTING_WINDOW) Slog.v(TAG, "Add starting "
+ + wtoken + ": pkg=" + sd.pkg);
+
+ View view = null;
+ try {
+ view = mPolicy.addStartingWindow(
+ wtoken.token, sd.pkg, sd.theme, sd.compatInfo,
+ sd.nonLocalizedLabel, sd.labelRes, sd.icon, sd.logo, sd.windowFlags);
+ } catch (Exception e) {
+ Slog.w(TAG, "Exception when adding starting window", e);
+ }
+
+ if (view != null) {
+ boolean abort = false;
+
+ synchronized(mWindowMap) {
+ if (wtoken.removed || wtoken.startingData == null) {
+ // If the window was successfully added, then
+ // we need to remove it.
+ if (wtoken.startingWindow != null) {
+ if (DEBUG_STARTING_WINDOW) Slog.v(TAG,
+ "Aborted starting " + wtoken
+ + ": removed=" + wtoken.removed
+ + " startingData=" + wtoken.startingData);
+ wtoken.startingWindow = null;
+ wtoken.startingData = null;
+ abort = true;
+ }
+ } else {
+ wtoken.startingView = view;
+ }
+ if (DEBUG_STARTING_WINDOW && !abort) Slog.v(TAG,
+ "Added starting " + wtoken
+ + ": startingWindow="
+ + wtoken.startingWindow + " startingView="
+ + wtoken.startingView);
+ }
+
+ if (abort) {
+ try {
+ mPolicy.removeStartingWindow(wtoken.token, view);
+ } catch (Exception e) {
+ Slog.w(TAG, "Exception when removing starting window", e);
+ }
+ }
+ }
+ } break;
+
+ case REMOVE_STARTING: {
+ final AppWindowToken wtoken = (AppWindowToken)msg.obj;
+ IBinder token = null;
+ View view = null;
+ synchronized (mWindowMap) {
+ if (DEBUG_STARTING_WINDOW) Slog.v(TAG, "Remove starting "
+ + wtoken + ": startingWindow="
+ + wtoken.startingWindow + " startingView="
+ + wtoken.startingView);
+ if (wtoken.startingWindow != null) {
+ view = wtoken.startingView;
+ token = wtoken.token;
+ wtoken.startingData = null;
+ wtoken.startingView = null;
+ wtoken.startingWindow = null;
+ wtoken.startingDisplayed = false;
+ }
+ }
+ if (view != null) {
+ try {
+ mPolicy.removeStartingWindow(token, view);
+ } catch (Exception e) {
+ Slog.w(TAG, "Exception when removing starting window", e);
+ }
+ }
+ } break;
+
+ case FINISHED_STARTING: {
+ IBinder token = null;
+ View view = null;
+ while (true) {
+ synchronized (mWindowMap) {
+ final int N = mFinishedStarting.size();
+ if (N <= 0) {
+ break;
+ }
+ AppWindowToken wtoken = mFinishedStarting.remove(N-1);
+
+ if (DEBUG_STARTING_WINDOW) Slog.v(TAG,
+ "Finished starting " + wtoken
+ + ": startingWindow=" + wtoken.startingWindow
+ + " startingView=" + wtoken.startingView);
+
+ if (wtoken.startingWindow == null) {
+ continue;
+ }
+
+ view = wtoken.startingView;
+ token = wtoken.token;
+ wtoken.startingData = null;
+ wtoken.startingView = null;
+ wtoken.startingWindow = null;
+ wtoken.startingDisplayed = false;
+ }
+
+ try {
+ mPolicy.removeStartingWindow(token, view);
+ } catch (Exception e) {
+ Slog.w(TAG, "Exception when removing starting window", e);
+ }
+ }
+ } break;
+
+ case REPORT_APPLICATION_TOKEN_DRAWN: {
+ final AppWindowToken wtoken = (AppWindowToken)msg.obj;
+
+ try {
+ if (DEBUG_VISIBILITY) Slog.v(
+ TAG, "Reporting drawn in " + wtoken);
+ wtoken.appToken.windowsDrawn();
+ } catch (RemoteException ex) {
+ }
+ } break;
+
+ case REPORT_APPLICATION_TOKEN_WINDOWS: {
+ final AppWindowToken wtoken = (AppWindowToken)msg.obj;
+
+ boolean nowVisible = msg.arg1 != 0;
+ boolean nowGone = msg.arg2 != 0;
+
+ try {
+ if (DEBUG_VISIBILITY) Slog.v(
+ TAG, "Reporting visible in " + wtoken
+ + " visible=" + nowVisible
+ + " gone=" + nowGone);
+ if (nowVisible) {
+ wtoken.appToken.windowsVisible();
+ } else {
+ wtoken.appToken.windowsGone();
+ }
+ } catch (RemoteException ex) {
+ }
+ } break;
+
+ case WINDOW_FREEZE_TIMEOUT: {
+ // TODO(multidisplay): Can non-default displays rotate?
+ synchronized (mWindowMap) {
+ Slog.w(TAG, "Window freeze timeout expired.");
+ final WindowList windows = getDefaultWindowListLocked();
+ int i = windows.size();
+ while (i > 0) {
+ i--;
+ WindowState w = windows.get(i);
+ if (w.mOrientationChanging) {
+ w.mOrientationChanging = false;
+ w.mLastFreezeDuration = (int)(SystemClock.elapsedRealtime()
+ - mDisplayFreezeTime);
+ Slog.w(TAG, "Force clearing orientation change: " + w);
+ }
+ }
+ performLayoutAndPlaceSurfacesLocked();
+ }
+ break;
+ }
+
+ case APP_TRANSITION_TIMEOUT: {
+ synchronized (mWindowMap) {
+ if (mAppTransition.isTransitionSet()) {
+ if (DEBUG_APP_TRANSITIONS) Slog.v(TAG, "*** APP TRANSITION TIMEOUT");
+ mAppTransition.setTimeout();
+ performLayoutAndPlaceSurfacesLocked();
+ }
+ }
+ break;
+ }
+
+ case PERSIST_ANIMATION_SCALE: {
+ Settings.Global.putFloat(mContext.getContentResolver(),
+ Settings.Global.WINDOW_ANIMATION_SCALE, mWindowAnimationScaleSetting);
+ Settings.Global.putFloat(mContext.getContentResolver(),
+ Settings.Global.TRANSITION_ANIMATION_SCALE,
+ mTransitionAnimationScaleSetting);
+ Settings.Global.putFloat(mContext.getContentResolver(),
+ Settings.Global.ANIMATOR_DURATION_SCALE, mAnimatorDurationScaleSetting);
+ break;
+ }
+
+ case FORCE_GC: {
+ synchronized (mWindowMap) {
+ // Since we're holding both mWindowMap and mAnimator we don't need to
+ // hold mAnimator.mLayoutToAnim.
+ if (mAnimator.mAnimating || mAnimationScheduled) {
+ // If we are animating, don't do the gc now but
+ // delay a bit so we don't interrupt the animation.
+ sendEmptyMessageDelayed(H.FORCE_GC, 2000);
+ return;
+ }
+ // If we are currently rotating the display, it will
+ // schedule a new message when done.
+ if (mDisplayFrozen) {
+ return;
+ }
+ }
+ Runtime.getRuntime().gc();
+ break;
+ }
+
+ case ENABLE_SCREEN: {
+ performEnableScreen();
+ break;
+ }
+
+ case APP_FREEZE_TIMEOUT: {
+ synchronized (mWindowMap) {
+ Slog.w(TAG, "App freeze timeout expired.");
+ final int numStacks = mStackIdToStack.size();
+ for (int stackNdx = 0; stackNdx < numStacks; ++stackNdx) {
+ final TaskStack stack = mStackIdToStack.valueAt(stackNdx);
+ final ArrayList<Task> tasks = stack.getTasks();
+ for (int taskNdx = tasks.size() - 1; taskNdx >= 0; --taskNdx) {
+ AppTokenList tokens = tasks.get(taskNdx).mAppTokens;
+ for (int tokenNdx = tokens.size() - 1; tokenNdx >= 0; --tokenNdx) {
+ AppWindowToken tok = tokens.get(tokenNdx);
+ if (tok.mAppAnimator.freezingScreen) {
+ Slog.w(TAG, "Force clearing freeze: " + tok);
+ unsetAppFreezingScreenLocked(tok, true, true);
+ }
+ }
+ }
+ }
+ }
+ break;
+ }
+
+ case CLIENT_FREEZE_TIMEOUT: {
+ synchronized (mWindowMap) {
+ if (mClientFreezingScreen) {
+ mClientFreezingScreen = false;
+ mLastFinishedFreezeSource = "client-timeout";
+ stopFreezingDisplayLocked();
+ }
+ }
+ break;
+ }
+
+ case SEND_NEW_CONFIGURATION: {
+ removeMessages(SEND_NEW_CONFIGURATION);
+ sendNewConfiguration();
+ break;
+ }
+
+ case REPORT_WINDOWS_CHANGE: {
+ if (mWindowsChanged) {
+ synchronized (mWindowMap) {
+ mWindowsChanged = false;
+ }
+ notifyWindowsChanged();
+ }
+ break;
+ }
+
+ case DRAG_START_TIMEOUT: {
+ IBinder win = (IBinder)msg.obj;
+ if (DEBUG_DRAG) {
+ Slog.w(TAG, "Timeout starting drag by win " + win);
+ }
+ synchronized (mWindowMap) {
+ // !!! TODO: ANR the app that has failed to start the drag in time
+ if (mDragState != null) {
+ mDragState.unregister();
+ mInputMonitor.updateInputWindowsLw(true /*force*/);
+ mDragState.reset();
+ mDragState = null;
+ }
+ }
+ break;
+ }
+
+ case DRAG_END_TIMEOUT: {
+ IBinder win = (IBinder)msg.obj;
+ if (DEBUG_DRAG) {
+ Slog.w(TAG, "Timeout ending drag to win " + win);
+ }
+ synchronized (mWindowMap) {
+ // !!! TODO: ANR the drag-receiving app
+ if (mDragState != null) {
+ mDragState.mDragResult = false;
+ mDragState.endDragLw();
+ }
+ }
+ break;
+ }
+
+ case REPORT_HARD_KEYBOARD_STATUS_CHANGE: {
+ notifyHardKeyboardStatusChange();
+ break;
+ }
+
+ case BOOT_TIMEOUT: {
+ performBootTimeout();
+ break;
+ }
+
+ case WAITING_FOR_DRAWN_TIMEOUT: {
+ Runnable callback = null;
+ synchronized (mWindowMap) {
+ Slog.w(TAG, "Timeout waiting for drawn: undrawn=" + mWaitingForDrawn);
+ mWaitingForDrawn.clear();
+ callback = mWaitingForDrawnCallback;
+ mWaitingForDrawnCallback = null;
+ }
+ if (callback != null) {
+ callback.run();
+ }
+ break;
+ }
+
+ case SHOW_STRICT_MODE_VIOLATION: {
+ showStrictModeViolation(msg.arg1, msg.arg2);
+ break;
+ }
+
+ case SHOW_CIRCULAR_DISPLAY_MASK: {
+ showCircularMask();
+ break;
+ }
+
+ case SHOW_EMULATOR_DISPLAY_OVERLAY: {
+ showEmulatorDisplayOverlay();
+ break;
+ }
+
+ case DO_ANIMATION_CALLBACK: {
+ try {
+ ((IRemoteCallback)msg.obj).sendResult(null);
+ } catch (RemoteException e) {
+ }
+ break;
+ }
+
+ case DO_DISPLAY_ADDED:
+ handleDisplayAdded(msg.arg1);
+ break;
+
+ case DO_DISPLAY_REMOVED:
+ synchronized (mWindowMap) {
+ handleDisplayRemovedLocked(msg.arg1);
+ }
+ break;
+
+ case DO_DISPLAY_CHANGED:
+ synchronized (mWindowMap) {
+ handleDisplayChangedLocked(msg.arg1);
+ }
+ break;
+
+ case TAP_OUTSIDE_STACK: {
+ int stackId;
+ synchronized (mWindowMap) {
+ stackId = ((DisplayContent)msg.obj).stackIdFromPoint(msg.arg1, msg.arg2);
+ }
+ if (stackId >= 0) {
+ try {
+ mActivityManager.setFocusedStack(stackId);
+ } catch (RemoteException e) {
+ }
+ }
+ }
+ break;
+ case NOTIFY_ACTIVITY_DRAWN:
+ try {
+ mActivityManager.notifyActivityDrawn((IBinder) msg.obj);
+ } catch (RemoteException e) {
+ }
+ break;
+ case ALL_WINDOWS_DRAWN: {
+ Runnable callback;
+ synchronized (mWindowMap) {
+ callback = mWaitingForDrawnCallback;
+ mWaitingForDrawnCallback = null;
+ }
+ if (callback != null) {
+ callback.run();
+ }
+ }
+ case NEW_ANIMATOR_SCALE: {
+ float scale = getCurrentAnimatorScale();
+ ValueAnimator.setDurationScale(scale);
+ Session session = (Session)msg.obj;
+ if (session != null) {
+ try {
+ session.mCallback.onAnimatorScaleChanged(scale);
+ } catch (RemoteException e) {
+ }
+ } else {
+ ArrayList<IWindowSessionCallback> callbacks
+ = new ArrayList<IWindowSessionCallback>();
+ synchronized (mWindowMap) {
+ for (int i=0; i<mSessions.size(); i++) {
+ callbacks.add(mSessions.valueAt(i).mCallback);
+ }
+
+ }
+ for (int i=0; i<callbacks.size(); i++) {
+ try {
+ callbacks.get(i).onAnimatorScaleChanged(scale);
+ } catch (RemoteException e) {
+ }
+ }
+ }
+ }
+ break;
+ case CHECK_IF_BOOT_ANIMATION_FINISHED: {
+ final boolean bootAnimationComplete;
+ synchronized (mWindowMap) {
+ if (DEBUG_BOOT) Slog.i(TAG, "CHECK_IF_BOOT_ANIMATION_FINISHED:");
+ bootAnimationComplete = checkBootAnimationCompleteLocked();
+ }
+ if (bootAnimationComplete) {
+ performEnableScreen();
+ }
+ }
+ break;
+ }
+ if (DEBUG_WINDOW_TRACE) {
+ Slog.v(TAG, "handleMessage: exit");
+ }
+ }
+ }
+
+ // -------------------------------------------------------------
+ // IWindowManager API
+ // -------------------------------------------------------------
+
+ @Override
+ public IWindowSession openSession(IWindowSessionCallback callback, IInputMethodClient client,
+ IInputContext inputContext) {
+ if (client == null) throw new IllegalArgumentException("null client");
+ if (inputContext == null) throw new IllegalArgumentException("null inputContext");
+ Session session = new Session(this, callback, client, inputContext);
+ return session;
+ }
+
+ @Override
+ public boolean inputMethodClientHasFocus(IInputMethodClient client) {
+ synchronized (mWindowMap) {
+ // The focus for the client is the window immediately below
+ // where we would place the input method window.
+ int idx = findDesiredInputMethodWindowIndexLocked(false);
+ if (idx > 0) {
+ // TODO(multidisplay): IMEs are only supported on the default display.
+ WindowState imFocus = getDefaultWindowListLocked().get(idx-1);
+ if (DEBUG_INPUT_METHOD) {
+ Slog.i(TAG, "Desired input method target: " + imFocus);
+ Slog.i(TAG, "Current focus: " + mCurrentFocus);
+ Slog.i(TAG, "Last focus: " + mLastFocus);
+ }
+ if (imFocus != null) {
+ // This may be a starting window, in which case we still want
+ // to count it as okay.
+ if (imFocus.mAttrs.type == LayoutParams.TYPE_APPLICATION_STARTING
+ && imFocus.mAppToken != null) {
+ // The client has definitely started, so it really should
+ // have a window in this app token. Let's look for it.
+ for (int i=0; i<imFocus.mAppToken.windows.size(); i++) {
+ WindowState w = imFocus.mAppToken.windows.get(i);
+ if (w != imFocus) {
+ Log.i(TAG, "Switching to real app window: " + w);
+ imFocus = w;
+ break;
+ }
+ }
+ }
+ if (DEBUG_INPUT_METHOD) {
+ Slog.i(TAG, "IM target client: " + imFocus.mSession.mClient);
+ if (imFocus.mSession.mClient != null) {
+ Slog.i(TAG, "IM target client binder: "
+ + imFocus.mSession.mClient.asBinder());
+ Slog.i(TAG, "Requesting client binder: " + client.asBinder());
+ }
+ }
+ if (imFocus.mSession.mClient != null &&
+ imFocus.mSession.mClient.asBinder() == client.asBinder()) {
+ return true;
+ }
+ }
+ }
+
+ // Okay, how about this... what is the current focus?
+ // It seems in some cases we may not have moved the IM
+ // target window, such as when it was in a pop-up window,
+ // so let's also look at the current focus. (An example:
+ // go to Gmail, start searching so the keyboard goes up,
+ // press home. Sometimes the IME won't go down.)
+ // Would be nice to fix this more correctly, but it's
+ // way at the end of a release, and this should be good enough.
+ if (mCurrentFocus != null && mCurrentFocus.mSession.mClient != null
+ && mCurrentFocus.mSession.mClient.asBinder() == client.asBinder()) {
+ return true;
+ }
+ }
+ return false;
+ }
+
+ @Override
+ public void getInitialDisplaySize(int displayId, Point size) {
+ synchronized (mWindowMap) {
+ final DisplayContent displayContent = getDisplayContentLocked(displayId);
+ if (displayContent != null && displayContent.hasAccess(Binder.getCallingUid())) {
+ synchronized(displayContent.mDisplaySizeLock) {
+ size.x = displayContent.mInitialDisplayWidth;
+ size.y = displayContent.mInitialDisplayHeight;
+ }
+ }
+ }
+ }
+
+ @Override
+ public void getBaseDisplaySize(int displayId, Point size) {
+ synchronized (mWindowMap) {
+ final DisplayContent displayContent = getDisplayContentLocked(displayId);
+ if (displayContent != null && displayContent.hasAccess(Binder.getCallingUid())) {
+ synchronized(displayContent.mDisplaySizeLock) {
+ size.x = displayContent.mBaseDisplayWidth;
+ size.y = displayContent.mBaseDisplayHeight;
+ }
+ }
+ }
+ }
+
+ @Override
+ public void setForcedDisplaySize(int displayId, int width, int height) {
+ if (mContext.checkCallingOrSelfPermission(
+ android.Manifest.permission.WRITE_SECURE_SETTINGS) !=
+ PackageManager.PERMISSION_GRANTED) {
+ throw new SecurityException("Must hold permission " +
+ android.Manifest.permission.WRITE_SECURE_SETTINGS);
+ }
+ if (displayId != Display.DEFAULT_DISPLAY) {
+ throw new IllegalArgumentException("Can only set the default display");
+ }
+ final long ident = Binder.clearCallingIdentity();
+ try {
+ synchronized(mWindowMap) {
+ // Set some sort of reasonable bounds on the size of the display that we
+ // will try to emulate.
+ final int MIN_WIDTH = 200;
+ final int MIN_HEIGHT = 200;
+ final int MAX_SCALE = 2;
+ final DisplayContent displayContent = getDisplayContentLocked(displayId);
+ if (displayContent != null) {
+ width = Math.min(Math.max(width, MIN_WIDTH),
+ displayContent.mInitialDisplayWidth * MAX_SCALE);
+ height = Math.min(Math.max(height, MIN_HEIGHT),
+ displayContent.mInitialDisplayHeight * MAX_SCALE);
+ setForcedDisplaySizeLocked(displayContent, width, height);
+ Settings.Global.putString(mContext.getContentResolver(),
+ Settings.Global.DISPLAY_SIZE_FORCED, width + "," + height);
+ }
+ }
+ } finally {
+ Binder.restoreCallingIdentity(ident);
+ }
+ }
+
+ private void readForcedDisplaySizeAndDensityLocked(final DisplayContent displayContent) {
+ String sizeStr = Settings.Global.getString(mContext.getContentResolver(),
+ Settings.Global.DISPLAY_SIZE_FORCED);
+ if (sizeStr == null || sizeStr.length() == 0) {
+ sizeStr = SystemProperties.get(SIZE_OVERRIDE, null);
+ }
+ if (sizeStr != null && sizeStr.length() > 0) {
+ final int pos = sizeStr.indexOf(',');
+ if (pos > 0 && sizeStr.lastIndexOf(',') == pos) {
+ int width, height;
+ try {
+ width = Integer.parseInt(sizeStr.substring(0, pos));
+ height = Integer.parseInt(sizeStr.substring(pos+1));
+ synchronized(displayContent.mDisplaySizeLock) {
+ if (displayContent.mBaseDisplayWidth != width
+ || displayContent.mBaseDisplayHeight != height) {
+ Slog.i(TAG, "FORCED DISPLAY SIZE: " + width + "x" + height);
+ displayContent.mBaseDisplayWidth = width;
+ displayContent.mBaseDisplayHeight = height;
+ }
+ }
+ } catch (NumberFormatException ex) {
+ }
+ }
+ }
+ String densityStr = Settings.Global.getString(mContext.getContentResolver(),
+ Settings.Global.DISPLAY_DENSITY_FORCED);
+ if (densityStr == null || densityStr.length() == 0) {
+ densityStr = SystemProperties.get(DENSITY_OVERRIDE, null);
+ }
+ if (densityStr != null && densityStr.length() > 0) {
+ int density;
+ try {
+ density = Integer.parseInt(densityStr);
+ synchronized(displayContent.mDisplaySizeLock) {
+ if (displayContent.mBaseDisplayDensity != density) {
+ Slog.i(TAG, "FORCED DISPLAY DENSITY: " + density);
+ displayContent.mBaseDisplayDensity = density;
+ }
+ }
+ } catch (NumberFormatException ex) {
+ }
+ }
+ }
+
+ // displayContent must not be null
+ private void setForcedDisplaySizeLocked(DisplayContent displayContent, int width, int height) {
+ Slog.i(TAG, "Using new display size: " + width + "x" + height);
+
+ synchronized(displayContent.mDisplaySizeLock) {
+ displayContent.mBaseDisplayWidth = width;
+ displayContent.mBaseDisplayHeight = height;
+ }
+ reconfigureDisplayLocked(displayContent);
+ }
+
+ @Override
+ public void clearForcedDisplaySize(int displayId) {
+ if (mContext.checkCallingOrSelfPermission(
+ android.Manifest.permission.WRITE_SECURE_SETTINGS) !=
+ PackageManager.PERMISSION_GRANTED) {
+ throw new SecurityException("Must hold permission " +
+ android.Manifest.permission.WRITE_SECURE_SETTINGS);
+ }
+ if (displayId != Display.DEFAULT_DISPLAY) {
+ throw new IllegalArgumentException("Can only set the default display");
+ }
+ final long ident = Binder.clearCallingIdentity();
+ try {
+ synchronized(mWindowMap) {
+ final DisplayContent displayContent = getDisplayContentLocked(displayId);
+ if (displayContent != null) {
+ setForcedDisplaySizeLocked(displayContent, displayContent.mInitialDisplayWidth,
+ displayContent.mInitialDisplayHeight);
+ Settings.Global.putString(mContext.getContentResolver(),
+ Settings.Global.DISPLAY_SIZE_FORCED, "");
+ }
+ }
+ } finally {
+ Binder.restoreCallingIdentity(ident);
+ }
+ }
+
+ @Override
+ public int getInitialDisplayDensity(int displayId) {
+ synchronized (mWindowMap) {
+ final DisplayContent displayContent = getDisplayContentLocked(displayId);
+ if (displayContent != null && displayContent.hasAccess(Binder.getCallingUid())) {
+ synchronized(displayContent.mDisplaySizeLock) {
+ return displayContent.mInitialDisplayDensity;
+ }
+ }
+ }
+ return -1;
+ }
+
+ @Override
+ public int getBaseDisplayDensity(int displayId) {
+ synchronized (mWindowMap) {
+ final DisplayContent displayContent = getDisplayContentLocked(displayId);
+ if (displayContent != null && displayContent.hasAccess(Binder.getCallingUid())) {
+ synchronized(displayContent.mDisplaySizeLock) {
+ return displayContent.mBaseDisplayDensity;
+ }
+ }
+ }
+ return -1;
+ }
+
+ @Override
+ public void setForcedDisplayDensity(int displayId, int density) {
+ if (mContext.checkCallingOrSelfPermission(
+ android.Manifest.permission.WRITE_SECURE_SETTINGS) !=
+ PackageManager.PERMISSION_GRANTED) {
+ throw new SecurityException("Must hold permission " +
+ android.Manifest.permission.WRITE_SECURE_SETTINGS);
+ }
+ if (displayId != Display.DEFAULT_DISPLAY) {
+ throw new IllegalArgumentException("Can only set the default display");
+ }
+ final long ident = Binder.clearCallingIdentity();
+ try {
+ synchronized(mWindowMap) {
+ final DisplayContent displayContent = getDisplayContentLocked(displayId);
+ if (displayContent != null) {
+ setForcedDisplayDensityLocked(displayContent, density);
+ Settings.Global.putString(mContext.getContentResolver(),
+ Settings.Global.DISPLAY_DENSITY_FORCED, Integer.toString(density));
+ }
+ }
+ } finally {
+ Binder.restoreCallingIdentity(ident);
+ }
+ }
+
+ // displayContent must not be null
+ private void setForcedDisplayDensityLocked(DisplayContent displayContent, int density) {
+ Slog.i(TAG, "Using new display density: " + density);
+
+ synchronized(displayContent.mDisplaySizeLock) {
+ displayContent.mBaseDisplayDensity = density;
+ }
+ reconfigureDisplayLocked(displayContent);
+ }
+
+ @Override
+ public void clearForcedDisplayDensity(int displayId) {
+ if (mContext.checkCallingOrSelfPermission(
+ android.Manifest.permission.WRITE_SECURE_SETTINGS) !=
+ PackageManager.PERMISSION_GRANTED) {
+ throw new SecurityException("Must hold permission " +
+ android.Manifest.permission.WRITE_SECURE_SETTINGS);
+ }
+ if (displayId != Display.DEFAULT_DISPLAY) {
+ throw new IllegalArgumentException("Can only set the default display");
+ }
+ final long ident = Binder.clearCallingIdentity();
+ try {
+ synchronized(mWindowMap) {
+ final DisplayContent displayContent = getDisplayContentLocked(displayId);
+ if (displayContent != null) {
+ setForcedDisplayDensityLocked(displayContent,
+ displayContent.mInitialDisplayDensity);
+ Settings.Global.putString(mContext.getContentResolver(),
+ Settings.Global.DISPLAY_DENSITY_FORCED, "");
+ }
+ }
+ } finally {
+ Binder.restoreCallingIdentity(ident);
+ }
+ }
+
+ // displayContent must not be null
+ private void reconfigureDisplayLocked(DisplayContent displayContent) {
+ // TODO: Multidisplay: for now only use with default display.
+ configureDisplayPolicyLocked(displayContent);
+ displayContent.layoutNeeded = true;
+
+ boolean configChanged = updateOrientationFromAppTokensLocked(false);
+ mTempConfiguration.setToDefaults();
+ mTempConfiguration.fontScale = mCurConfiguration.fontScale;
+ if (computeScreenConfigurationLocked(mTempConfiguration)) {
+ if (mCurConfiguration.diff(mTempConfiguration) != 0) {
+ configChanged = true;
+ }
+ }
+
+ if (configChanged) {
+ mWaitingForConfig = true;
+ startFreezingDisplayLocked(false, 0, 0);
+ mH.sendEmptyMessage(H.SEND_NEW_CONFIGURATION);
+ }
+
+ performLayoutAndPlaceSurfacesLocked();
+ }
+
+ private void configureDisplayPolicyLocked(DisplayContent displayContent) {
+ mPolicy.setInitialDisplaySize(displayContent.getDisplay(),
+ displayContent.mBaseDisplayWidth,
+ displayContent.mBaseDisplayHeight,
+ displayContent.mBaseDisplayDensity);
+
+ DisplayInfo displayInfo = displayContent.getDisplayInfo();
+ mPolicy.setDisplayOverscan(displayContent.getDisplay(),
+ displayInfo.overscanLeft, displayInfo.overscanTop,
+ displayInfo.overscanRight, displayInfo.overscanBottom);
+ }
+
+ @Override
+ public void setOverscan(int displayId, int left, int top, int right, int bottom) {
+ if (mContext.checkCallingOrSelfPermission(
+ android.Manifest.permission.WRITE_SECURE_SETTINGS) !=
+ PackageManager.PERMISSION_GRANTED) {
+ throw new SecurityException("Must hold permission " +
+ android.Manifest.permission.WRITE_SECURE_SETTINGS);
+ }
+ final long ident = Binder.clearCallingIdentity();
+ try {
+ synchronized(mWindowMap) {
+ DisplayContent displayContent = getDisplayContentLocked(displayId);
+ if (displayContent != null) {
+ setOverscanLocked(displayContent, left, top, right, bottom);
+ }
+ }
+ } finally {
+ Binder.restoreCallingIdentity(ident);
+ }
+ }
+
+ private void setOverscanLocked(DisplayContent displayContent,
+ int left, int top, int right, int bottom) {
+ final DisplayInfo displayInfo = displayContent.getDisplayInfo();
+ synchronized (displayContent.mDisplaySizeLock) {
+ displayInfo.overscanLeft = left;
+ displayInfo.overscanTop = top;
+ displayInfo.overscanRight = right;
+ displayInfo.overscanBottom = bottom;
+ }
+
+ mDisplaySettings.setOverscanLocked(displayInfo.name, left, top, right, bottom);
+ mDisplaySettings.writeSettingsLocked();
+
+ reconfigureDisplayLocked(displayContent);
+ }
+
+ // -------------------------------------------------------------
+ // Internals
+ // -------------------------------------------------------------
+
+ final WindowState windowForClientLocked(Session session, IWindow client,
+ boolean throwOnError) {
+ return windowForClientLocked(session, client.asBinder(), throwOnError);
+ }
+
+ final WindowState windowForClientLocked(Session session, IBinder client,
+ boolean throwOnError) {
+ WindowState win = mWindowMap.get(client);
+ if (localLOGV) Slog.v(
+ TAG, "Looking up client " + client + ": " + win);
+ if (win == null) {
+ RuntimeException ex = new IllegalArgumentException(
+ "Requested window " + client + " does not exist");
+ if (throwOnError) {
+ throw ex;
+ }
+ Slog.w(TAG, "Failed looking up window", ex);
+ return null;
+ }
+ if (session != null && win.mSession != session) {
+ RuntimeException ex = new IllegalArgumentException(
+ "Requested window " + client + " is in session " +
+ win.mSession + ", not " + session);
+ if (throwOnError) {
+ throw ex;
+ }
+ Slog.w(TAG, "Failed looking up window", ex);
+ return null;
+ }
+
+ return win;
+ }
+
+ final void rebuildAppWindowListLocked() {
+ rebuildAppWindowListLocked(getDefaultDisplayContentLocked());
+ }
+
+ private void rebuildAppWindowListLocked(final DisplayContent displayContent) {
+ final WindowList windows = displayContent.getWindowList();
+ int NW = windows.size();
+ int i;
+ int lastBelow = -1;
+ int numRemoved = 0;
+
+ if (mRebuildTmp.length < NW) {
+ mRebuildTmp = new WindowState[NW+10];
+ }
+
+ // First remove all existing app windows.
+ i=0;
+ while (i < NW) {
+ WindowState w = windows.get(i);
+ if (w.mAppToken != null) {
+ WindowState win = windows.remove(i);
+ win.mRebuilding = true;
+ mRebuildTmp[numRemoved] = win;
+ mWindowsChanged = true;
+ if (DEBUG_WINDOW_MOVEMENT) Slog.v(TAG, "Rebuild removing window: " + win);
+ NW--;
+ numRemoved++;
+ continue;
+ } else if (lastBelow == i-1) {
+ if (w.mAttrs.type == TYPE_WALLPAPER || w.mAttrs.type == TYPE_UNIVERSE_BACKGROUND) {
+ lastBelow = i;
+ }
+ }
+ i++;
+ }
+
+ // Keep whatever windows were below the app windows still below,
+ // by skipping them.
+ lastBelow++;
+ i = lastBelow;
+
+ // First add all of the exiting app tokens... these are no longer
+ // in the main app list, but still have windows shown. We put them
+ // in the back because now that the animation is over we no longer
+ // will care about them.
+ final ArrayList<TaskStack> stacks = displayContent.getStacks();
+ final int numStacks = stacks.size();
+ for (int stackNdx = 0; stackNdx < numStacks; ++stackNdx) {
+ AppTokenList exitingAppTokens = stacks.get(stackNdx).mExitingAppTokens;
+ int NT = exitingAppTokens.size();
+ for (int j = 0; j < NT; j++) {
+ i = reAddAppWindowsLocked(displayContent, i, exitingAppTokens.get(j));
+ }
+ }
+
+ // And add in the still active app tokens in Z order.
+ for (int stackNdx = 0; stackNdx < numStacks; ++stackNdx) {
+ final ArrayList<Task> tasks = stacks.get(stackNdx).getTasks();
+ final int numTasks = tasks.size();
+ for (int taskNdx = 0; taskNdx < numTasks; ++taskNdx) {
+ final AppTokenList tokens = tasks.get(taskNdx).mAppTokens;
+ final int numTokens = tokens.size();
+ for (int tokenNdx = 0; tokenNdx < numTokens; ++tokenNdx) {
+ final AppWindowToken wtoken = tokens.get(tokenNdx);
+ if (wtoken.mDeferRemoval) {
+ continue;
+ }
+ i = reAddAppWindowsLocked(displayContent, i, wtoken);
+ }
+ }
+ }
+
+ i -= lastBelow;
+ if (i != numRemoved) {
+ Slog.w(TAG, "On display=" + displayContent.getDisplayId() + " Rebuild removed " +
+ numRemoved + " windows but added " + i,
+ new RuntimeException("here").fillInStackTrace());
+ for (i=0; i<numRemoved; i++) {
+ WindowState ws = mRebuildTmp[i];
+ if (ws.mRebuilding) {
+ StringWriter sw = new StringWriter();
+ PrintWriter pw = new FastPrintWriter(sw, false, 1024);
+ ws.dump(pw, "", true);
+ pw.flush();
+ Slog.w(TAG, "This window was lost: " + ws);
+ Slog.w(TAG, sw.toString());
+ ws.mWinAnimator.destroySurfaceLocked();
+ }
+ }
+ Slog.w(TAG, "Current app token list:");
+ dumpAppTokensLocked();
+ Slog.w(TAG, "Final window list:");
+ dumpWindowsLocked();
+ }
+ }
+
+ private final void assignLayersLocked(WindowList windows) {
+ int N = windows.size();
+ int curBaseLayer = 0;
+ int curLayer = 0;
+ int i;
+
+ if (DEBUG_LAYERS) Slog.v(TAG, "Assigning layers based on windows=" + windows,
+ new RuntimeException("here").fillInStackTrace());
+
+ boolean anyLayerChanged = false;
+
+ for (i=0; i<N; i++) {
+ final WindowState w = windows.get(i);
+ final WindowStateAnimator winAnimator = w.mWinAnimator;
+ boolean layerChanged = false;
+ int oldLayer = w.mLayer;
+ if (w.mBaseLayer == curBaseLayer || w.mIsImWindow
+ || (i > 0 && w.mIsWallpaper)) {
+ curLayer += WINDOW_LAYER_MULTIPLIER;
+ w.mLayer = curLayer;
+ } else {
+ curBaseLayer = curLayer = w.mBaseLayer;
+ w.mLayer = curLayer;
+ }
+ if (w.mLayer != oldLayer) {
+ layerChanged = true;
+ anyLayerChanged = true;
+ }
+ final AppWindowToken wtoken = w.mAppToken;
+ oldLayer = winAnimator.mAnimLayer;
+ if (w.mTargetAppToken != null) {
+ winAnimator.mAnimLayer =
+ w.mLayer + w.mTargetAppToken.mAppAnimator.animLayerAdjustment;
+ } else if (wtoken != null) {
+ winAnimator.mAnimLayer =
+ w.mLayer + wtoken.mAppAnimator.animLayerAdjustment;
+ } else {
+ winAnimator.mAnimLayer = w.mLayer;
+ }
+ if (w.mIsImWindow) {
+ winAnimator.mAnimLayer += mInputMethodAnimLayerAdjustment;
+ } else if (w.mIsWallpaper) {
+ winAnimator.mAnimLayer += mWallpaperAnimLayerAdjustment;
+ }
+ if (winAnimator.mAnimLayer != oldLayer) {
+ layerChanged = true;
+ anyLayerChanged = true;
+ }
+ final TaskStack stack = w.getStack();
+ if (layerChanged && stack != null && stack.isDimming(winAnimator)) {
+ // Force an animation pass just to update the mDimLayer layer.
+ scheduleAnimationLocked();
+ }
+ if (DEBUG_LAYERS) Slog.v(TAG, "Assign layer " + w + ": "
+ + "mBase=" + w.mBaseLayer
+ + " mLayer=" + w.mLayer
+ + (wtoken == null ?
+ "" : " mAppLayer=" + wtoken.mAppAnimator.animLayerAdjustment)
+ + " =mAnimLayer=" + winAnimator.mAnimLayer);
+ //System.out.println(
+ // "Assigned layer " + curLayer + " to " + w.mClient.asBinder());
+ }
+
+ //TODO (multidisplay): Magnification is supported only for the default display.
+ if (mAccessibilityController != null && anyLayerChanged
+ && windows.get(windows.size() - 1).getDisplayId() == Display.DEFAULT_DISPLAY) {
+ mAccessibilityController.onWindowLayersChangedLocked();
+ }
+ }
+
+ private final void performLayoutAndPlaceSurfacesLocked() {
+ int loopCount = 6;
+ do {
+ mTraversalScheduled = false;
+ performLayoutAndPlaceSurfacesLockedLoop();
+ mH.removeMessages(H.DO_TRAVERSAL);
+ loopCount--;
+ } while (mTraversalScheduled && loopCount > 0);
+ mInnerFields.mWallpaperActionPending = false;
+ }
+
+ private boolean mInLayout = false;
+ private final void performLayoutAndPlaceSurfacesLockedLoop() {
+ if (mInLayout) {
+ if (DEBUG) {
+ throw new RuntimeException("Recursive call!");
+ }
+ Slog.w(TAG, "performLayoutAndPlaceSurfacesLocked called while in layout. Callers="
+ + Debug.getCallers(3));
+ return;
+ }
+
+ if (mWaitingForConfig) {
+ // Our configuration has changed (most likely rotation), but we
+ // don't yet have the complete configuration to report to
+ // applications. Don't do any window layout until we have it.
+ return;
+ }
+
+ if (!mDisplayReady) {
+ // Not yet initialized, nothing to do.
+ return;
+ }
+
+ Trace.traceBegin(Trace.TRACE_TAG_WINDOW_MANAGER, "wmLayout");
+ mInLayout = true;
+ boolean recoveringMemory = false;
+
+ try {
+ if (mForceRemoves != null) {
+ recoveringMemory = true;
+ // Wait a little bit for things to settle down, and off we go.
+ for (int i=0; i<mForceRemoves.size(); i++) {
+ WindowState ws = mForceRemoves.get(i);
+ Slog.i(TAG, "Force removing: " + ws);
+ removeWindowInnerLocked(ws.mSession, ws);
+ }
+ mForceRemoves = null;
+ Slog.w(TAG, "Due to memory failure, waiting a bit for next layout");
+ Object tmp = new Object();
+ synchronized (tmp) {
+ try {
+ tmp.wait(250);
+ } catch (InterruptedException e) {
+ }
+ }
+ }
+ } catch (RuntimeException e) {
+ Slog.wtf(TAG, "Unhandled exception while force removing for memory", e);
+ }
+
+ try {
+ performLayoutAndPlaceSurfacesLockedInner(recoveringMemory);
+
+ mInLayout = false;
+
+ if (needsLayout()) {
+ if (++mLayoutRepeatCount < 6) {
+ requestTraversalLocked();
+ } else {
+ Slog.e(TAG, "Performed 6 layouts in a row. Skipping");
+ mLayoutRepeatCount = 0;
+ }
+ } else {
+ mLayoutRepeatCount = 0;
+ }
+
+ if (mWindowsChanged && !mWindowChangeListeners.isEmpty()) {
+ mH.removeMessages(H.REPORT_WINDOWS_CHANGE);
+ mH.sendEmptyMessage(H.REPORT_WINDOWS_CHANGE);
+ }
+ } catch (RuntimeException e) {
+ mInLayout = false;
+ Slog.wtf(TAG, "Unhandled exception while laying out windows", e);
+ }
+
+ Trace.traceEnd(Trace.TRACE_TAG_WINDOW_MANAGER);
+ }
+
+ private final void performLayoutLockedInner(final DisplayContent displayContent,
+ boolean initial, boolean updateInputWindows) {
+ if (!displayContent.layoutNeeded) {
+ return;
+ }
+ displayContent.layoutNeeded = false;
+ WindowList windows = displayContent.getWindowList();
+ boolean isDefaultDisplay = displayContent.isDefaultDisplay;
+
+ DisplayInfo displayInfo = displayContent.getDisplayInfo();
+ final int dw = displayInfo.logicalWidth;
+ final int dh = displayInfo.logicalHeight;
+
+ final int NFW = mFakeWindows.size();
+ for (int i=0; i<NFW; i++) {
+ mFakeWindows.get(i).layout(dw, dh);
+ }
+
+ final int N = windows.size();
+ int i;
+
+ if (DEBUG_LAYOUT) {
+ Slog.v(TAG, "-------------------------------------");
+ Slog.v(TAG, "performLayout: needed="
+ + displayContent.layoutNeeded + " dw=" + dw + " dh=" + dh);
+ }
+
+ WindowStateAnimator universeBackground = null;
+
+ mPolicy.beginLayoutLw(isDefaultDisplay, dw, dh, mRotation);
+ if (isDefaultDisplay) {
+ // Not needed on non-default displays.
+ mSystemDecorLayer = mPolicy.getSystemDecorLayerLw();
+ mScreenRect.set(0, 0, dw, dh);
+ }
+
+ mPolicy.getContentRectLw(mTmpContentRect);
+ displayContent.resize(mTmpContentRect);
+
+ int seq = mLayoutSeq+1;
+ if (seq < 0) seq = 0;
+ mLayoutSeq = seq;
+
+ boolean behindDream = false;
+
+ // First perform layout of any root windows (not attached
+ // to another window).
+ int topAttached = -1;
+ for (i = N-1; i >= 0; i--) {
+ final WindowState win = windows.get(i);
+
+ // Don't do layout of a window if it is not visible, or
+ // soon won't be visible, to avoid wasting time and funky
+ // changes while a window is animating away.
+ final boolean gone = (behindDream && mPolicy.canBeForceHidden(win, win.mAttrs))
+ || win.isGoneForLayoutLw();
+
+ if (DEBUG_LAYOUT && !win.mLayoutAttached) {
+ Slog.v(TAG, "1ST PASS " + win
+ + ": gone=" + gone + " mHaveFrame=" + win.mHaveFrame
+ + " mLayoutAttached=" + win.mLayoutAttached
+ + " screen changed=" + win.isConfigChanged());
+ final AppWindowToken atoken = win.mAppToken;
+ if (gone) Slog.v(TAG, " GONE: mViewVisibility="
+ + win.mViewVisibility + " mRelayoutCalled="
+ + win.mRelayoutCalled + " hidden="
+ + win.mRootToken.hidden + " hiddenRequested="
+ + (atoken != null && atoken.hiddenRequested)
+ + " mAttachedHidden=" + win.mAttachedHidden);
+ else Slog.v(TAG, " VIS: mViewVisibility="
+ + win.mViewVisibility + " mRelayoutCalled="
+ + win.mRelayoutCalled + " hidden="
+ + win.mRootToken.hidden + " hiddenRequested="
+ + (atoken != null && atoken.hiddenRequested)
+ + " mAttachedHidden=" + win.mAttachedHidden);
+ }
+
+ // If this view is GONE, then skip it -- keep the current
+ // frame, and let the caller know so they can ignore it
+ // if they want. (We do the normal layout for INVISIBLE
+ // windows, since that means "perform layout as normal,
+ // just don't display").
+ if (!gone || !win.mHaveFrame || win.mLayoutNeeded
+ || ((win.isConfigChanged() || win.setInsetsChanged()) &&
+ ((win.mAttrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0 ||
+ win.mAppToken != null && win.mAppToken.layoutConfigChanges))
+ || win.mAttrs.type == TYPE_UNIVERSE_BACKGROUND) {
+ if (!win.mLayoutAttached) {
+ if (initial) {
+ //Slog.i(TAG, "Window " + this + " clearing mContentChanged - initial");
+ win.mContentChanged = false;
+ }
+ if (win.mAttrs.type == TYPE_DREAM) {
+ // Don't layout windows behind a dream, so that if it
+ // does stuff like hide the status bar we won't get a
+ // bad transition when it goes away.
+ behindDream = true;
+ }
+ win.mLayoutNeeded = false;
+ win.prelayout();
+ mPolicy.layoutWindowLw(win, null);
+ win.mLayoutSeq = seq;
+ if (DEBUG_LAYOUT) Slog.v(TAG, " LAYOUT: mFrame="
+ + win.mFrame + " mContainingFrame="
+ + win.mContainingFrame + " mDisplayFrame="
+ + win.mDisplayFrame);
+ } else {
+ if (topAttached < 0) topAttached = i;
+ }
+ }
+ if (win.mViewVisibility == View.VISIBLE
+ && win.mAttrs.type == TYPE_UNIVERSE_BACKGROUND
+ && universeBackground == null) {
+ universeBackground = win.mWinAnimator;
+ }
+ }
+
+ if (mAnimator.mUniverseBackground != universeBackground) {
+ mFocusMayChange = true;
+ mAnimator.mUniverseBackground = universeBackground;
+ }
+
+ boolean attachedBehindDream = false;
+
+ // Now perform layout of attached windows, which usually
+ // depend on the position of the window they are attached to.
+ // XXX does not deal with windows that are attached to windows
+ // that are themselves attached.
+ for (i = topAttached; i >= 0; i--) {
+ final WindowState win = windows.get(i);
+
+ if (win.mLayoutAttached) {
+ if (DEBUG_LAYOUT) Slog.v(TAG, "2ND PASS " + win
+ + " mHaveFrame=" + win.mHaveFrame
+ + " mViewVisibility=" + win.mViewVisibility
+ + " mRelayoutCalled=" + win.mRelayoutCalled);
+ // If this view is GONE, then skip it -- keep the current
+ // frame, and let the caller know so they can ignore it
+ // if they want. (We do the normal layout for INVISIBLE
+ // windows, since that means "perform layout as normal,
+ // just don't display").
+ if (attachedBehindDream && mPolicy.canBeForceHidden(win, win.mAttrs)) {
+ continue;
+ }
+ if ((win.mViewVisibility != View.GONE && win.mRelayoutCalled)
+ || !win.mHaveFrame || win.mLayoutNeeded) {
+ if (initial) {
+ //Slog.i(TAG, "Window " + this + " clearing mContentChanged - initial");
+ win.mContentChanged = false;
+ }
+ win.mLayoutNeeded = false;
+ win.prelayout();
+ mPolicy.layoutWindowLw(win, win.mAttachedWindow);
+ win.mLayoutSeq = seq;
+ if (DEBUG_LAYOUT) Slog.v(TAG, " LAYOUT: mFrame="
+ + win.mFrame + " mContainingFrame="
+ + win.mContainingFrame + " mDisplayFrame="
+ + win.mDisplayFrame);
+ }
+ } else if (win.mAttrs.type == TYPE_DREAM) {
+ // Don't layout windows behind a dream, so that if it
+ // does stuff like hide the status bar we won't get a
+ // bad transition when it goes away.
+ attachedBehindDream = behindDream;
+ }
+ }
+
+ // Window frames may have changed. Tell the input dispatcher about it.
+ mInputMonitor.setUpdateInputWindowsNeededLw();
+ if (updateInputWindows) {
+ mInputMonitor.updateInputWindowsLw(false /*force*/);
+ }
+
+ mPolicy.finishLayoutLw();
+ }
+
+ void makeWindowFreezingScreenIfNeededLocked(WindowState w) {
+ // If the screen is currently frozen or off, then keep
+ // it frozen/off until this window draws at its new
+ // orientation.
+ if (!okToDisplay()) {
+ if (DEBUG_ORIENTATION) Slog.v(TAG, "Changing surface while display frozen: " + w);
+ w.mOrientationChanging = true;
+ w.mLastFreezeDuration = 0;
+ mInnerFields.mOrientationChangeComplete = false;
+ if (!mWindowsFreezingScreen) {
+ mWindowsFreezingScreen = true;
+ // XXX should probably keep timeout from
+ // when we first froze the display.
+ mH.removeMessages(H.WINDOW_FREEZE_TIMEOUT);
+ mH.sendEmptyMessageDelayed(H.WINDOW_FREEZE_TIMEOUT,
+ WINDOW_FREEZE_TIMEOUT_DURATION);
+ }
+ }
+ }
+
+ /**
+ * Extracted from {@link #performLayoutAndPlaceSurfacesLockedInner} to reduce size of method.
+ * @param windows List of windows on default display.
+ * @return bitmap indicating if another pass through layout must be made.
+ */
+ public int handleAppTransitionReadyLocked(WindowList windows) {
+ int changes = 0;
+ int i;
+ int NN = mOpeningApps.size();
+ boolean goodToGo = true;
+ if (DEBUG_APP_TRANSITIONS) Slog.v(TAG,
+ "Checking " + NN + " opening apps (frozen="
+ + mDisplayFrozen + " timeout="
+ + mAppTransition.isTimeout() + ")...");
+ if (!mDisplayFrozen && !mAppTransition.isTimeout()) {
+ // If the display isn't frozen, wait to do anything until
+ // all of the apps are ready. Otherwise just go because
+ // we'll unfreeze the display when everyone is ready.
+ for (i=0; i<NN && goodToGo; i++) {
+ AppWindowToken wtoken = mOpeningApps.valueAt(i);
+ if (DEBUG_APP_TRANSITIONS) Slog.v(TAG,
+ "Check opening app=" + wtoken + ": allDrawn="
+ + wtoken.allDrawn + " startingDisplayed="
+ + wtoken.startingDisplayed + " startingMoved="
+ + wtoken.startingMoved);
+ if (!wtoken.allDrawn && !wtoken.startingDisplayed
+ && !wtoken.startingMoved) {
+ goodToGo = false;
+ }
+ }
+ }
+ if (goodToGo) {
+ if (DEBUG_APP_TRANSITIONS) Slog.v(TAG, "**** GOOD TO GO");
+ int transit = mAppTransition.getAppTransition();
+ if (mSkipAppTransitionAnimation) {
+ transit = AppTransition.TRANSIT_UNSET;
+ }
+ mAppTransition.goodToGo();
+ mStartingIconInTransition = false;
+ mSkipAppTransitionAnimation = false;
+
+ mH.removeMessages(H.APP_TRANSITION_TIMEOUT);
+
+ rebuildAppWindowListLocked();
+
+ // if wallpaper is animating in or out set oldWallpaper to null else to wallpaper
+ WindowState oldWallpaper =
+ mWallpaperTarget != null && mWallpaperTarget.mWinAnimator.isAnimating()
+ && !mWallpaperTarget.mWinAnimator.isDummyAnimation()
+ ? null : mWallpaperTarget;
+
+ mInnerFields.mWallpaperMayChange = false;
+
+ // The top-most window will supply the layout params,
+ // and we will determine it below.
+ LayoutParams animLp = null;
+ int bestAnimLayer = -1;
+ boolean fullscreenAnim = false;
+ boolean voiceInteraction = false;
+
+ if (DEBUG_APP_TRANSITIONS) Slog.v(TAG,
+ "New wallpaper target=" + mWallpaperTarget
+ + ", oldWallpaper=" + oldWallpaper
+ + ", lower target=" + mLowerWallpaperTarget
+ + ", upper target=" + mUpperWallpaperTarget);
+
+ boolean openingAppHasWallpaper = false;
+ boolean closingAppHasWallpaper = false;
+ final AppWindowToken lowerWallpaperAppToken;
+ final AppWindowToken upperWallpaperAppToken;
+ if (mLowerWallpaperTarget == null) {
+ lowerWallpaperAppToken = upperWallpaperAppToken = null;
+ } else {
+ lowerWallpaperAppToken = mLowerWallpaperTarget.mAppToken;
+ upperWallpaperAppToken = mUpperWallpaperTarget.mAppToken;
+ }
+
+ // Do a first pass through the tokens for two
+ // things:
+ // (1) Determine if both the closing and opening
+ // app token sets are wallpaper targets, in which
+ // case special animations are needed
+ // (since the wallpaper needs to stay static
+ // behind them).
+ // (2) Find the layout params of the top-most
+ // application window in the tokens, which is
+ // what will control the animation theme.
+ final int NC = mClosingApps.size();
+ NN = NC + mOpeningApps.size();
+ for (i=0; i<NN; i++) {
+ final AppWindowToken wtoken;
+ if (i < NC) {
+ wtoken = mClosingApps.valueAt(i);
+ if (wtoken == lowerWallpaperAppToken || wtoken == upperWallpaperAppToken) {
+ closingAppHasWallpaper = true;
+ }
+ } else {
+ wtoken = mOpeningApps.valueAt(i - NC);
+ if (wtoken == lowerWallpaperAppToken || wtoken == upperWallpaperAppToken) {
+ openingAppHasWallpaper = true;
+ }
+ }
+
+ voiceInteraction |= wtoken.voiceInteraction;
+
+ if (wtoken.appFullscreen) {
+ WindowState ws = wtoken.findMainWindow();
+ if (ws != null) {
+ animLp = ws.mAttrs;
+ bestAnimLayer = ws.mLayer;
+ fullscreenAnim = true;
+ }
+ } else if (!fullscreenAnim) {
+ WindowState ws = wtoken.findMainWindow();
+ if (ws != null) {
+ if (ws.mLayer > bestAnimLayer) {
+ animLp = ws.mAttrs;
+ bestAnimLayer = ws.mLayer;
+ }
+ }
+ }
+ }
+
+ mAnimateWallpaperWithTarget = false;
+ if (closingAppHasWallpaper && openingAppHasWallpaper) {
+ if (DEBUG_APP_TRANSITIONS) Slog.v(TAG, "Wallpaper animation!");
+ switch (transit) {
+ case AppTransition.TRANSIT_ACTIVITY_OPEN:
+ case AppTransition.TRANSIT_TASK_OPEN:
+ case AppTransition.TRANSIT_TASK_TO_FRONT:
+ transit = AppTransition.TRANSIT_WALLPAPER_INTRA_OPEN;
+ break;
+ case AppTransition.TRANSIT_ACTIVITY_CLOSE:
+ case AppTransition.TRANSIT_TASK_CLOSE:
+ case AppTransition.TRANSIT_TASK_TO_BACK:
+ transit = AppTransition.TRANSIT_WALLPAPER_INTRA_CLOSE;
+ break;
+ }
+ if (DEBUG_APP_TRANSITIONS) Slog.v(TAG, "New transit: " + transit);
+ } else if ((oldWallpaper != null) && !mOpeningApps.isEmpty()
+ && !mOpeningApps.contains(oldWallpaper.mAppToken)) {
+ // We are transitioning from an activity with
+ // a wallpaper to one without.
+ transit = AppTransition.TRANSIT_WALLPAPER_CLOSE;
+ if (DEBUG_APP_TRANSITIONS) Slog.v(TAG,
+ "New transit away from wallpaper: " + transit);
+ } else if (mWallpaperTarget != null && mWallpaperTarget.isVisibleLw()) {
+ // We are transitioning from an activity without
+ // a wallpaper to now showing the wallpaper
+ transit = AppTransition.TRANSIT_WALLPAPER_OPEN;
+ if (DEBUG_APP_TRANSITIONS) Slog.v(TAG,
+ "New transit into wallpaper: " + transit);
+ } else {
+ mAnimateWallpaperWithTarget = true;
+ }
+
+ // If all closing windows are obscured, then there is
+ // no need to do an animation. This is the case, for
+ // example, when this transition is being done behind
+ // the lock screen.
+ if (!mPolicy.allowAppAnimationsLw()) {
+ if (DEBUG_APP_TRANSITIONS) Slog.v(TAG,
+ "Animations disallowed by keyguard or dream.");
+ animLp = null;
+ }
+
+ AppWindowToken topOpeningApp = null;
+ AppWindowToken topClosingApp = null;
+ int topOpeningLayer = 0;
+ int topClosingLayer = 0;
+
+ NN = mOpeningApps.size();
+ for (i=0; i<NN; i++) {
+ AppWindowToken wtoken = mOpeningApps.valueAt(i);
+ final AppWindowAnimator appAnimator = wtoken.mAppAnimator;
+ if (DEBUG_APP_TRANSITIONS) Slog.v(TAG, "Now opening app" + wtoken);
+ appAnimator.clearThumbnail();
+ appAnimator.animation = null;
+ wtoken.inPendingTransaction = false;
+ setTokenVisibilityLocked(wtoken, animLp, true, transit, false, voiceInteraction);
+ wtoken.updateReportedVisibilityLocked();
+ wtoken.waitingToShow = false;
+
+ appAnimator.mAllAppWinAnimators.clear();
+ final int N = wtoken.allAppWindows.size();
+ for (int j = 0; j < N; j++) {
+ appAnimator.mAllAppWinAnimators.add(wtoken.allAppWindows.get(j).mWinAnimator);
+ }
+ mAnimator.mAnimating |= appAnimator.showAllWindowsLocked();
+
+ if (animLp != null) {
+ int layer = -1;
+ for (int j=0; j<wtoken.windows.size(); j++) {
+ WindowState win = wtoken.windows.get(j);
+ if (win.mWinAnimator.mAnimLayer > layer) {
+ layer = win.mWinAnimator.mAnimLayer;
+ }
+ }
+ if (topOpeningApp == null || layer > topOpeningLayer) {
+ topOpeningApp = wtoken;
+ topOpeningLayer = layer;
+ }
+ }
+ }
+ NN = mClosingApps.size();
+ for (i=0; i<NN; i++) {
+ AppWindowToken wtoken = mClosingApps.valueAt(i);
+ final AppWindowAnimator appAnimator = wtoken.mAppAnimator;
+ if (DEBUG_APP_TRANSITIONS) Slog.v(TAG, "Now closing app " + wtoken);
+ appAnimator.clearThumbnail();
+ appAnimator.animation = null;
+ wtoken.inPendingTransaction = false;
+ setTokenVisibilityLocked(wtoken, animLp, false, transit, false, voiceInteraction);
+ wtoken.updateReportedVisibilityLocked();
+ wtoken.waitingToHide = false;
+ // Force the allDrawn flag, because we want to start
+ // this guy's animations regardless of whether it's
+ // gotten drawn.
+ wtoken.allDrawn = true;
+ wtoken.deferClearAllDrawn = false;
+ // Ensure that apps that are mid-starting are also scheduled to have their
+ // starting windows removed after the animation is complete
+ if (wtoken.startingWindow != null && !wtoken.startingWindow.mExiting) {
+ scheduleRemoveStartingWindowLocked(wtoken);
+ }
+
+ if (animLp != null) {
+ int layer = -1;
+ for (int j=0; j<wtoken.windows.size(); j++) {
+ WindowState win = wtoken.windows.get(j);
+ if (win.mWinAnimator.mAnimLayer > layer) {
+ layer = win.mWinAnimator.mAnimLayer;
+ }
+ }
+ if (topClosingApp == null || layer > topClosingLayer) {
+ topClosingApp = wtoken;
+ topClosingLayer = layer;
+ }
+ }
+ }
+
+ AppWindowAnimator openingAppAnimator = (topOpeningApp == null) ? null :
+ topOpeningApp.mAppAnimator;
+ AppWindowAnimator closingAppAnimator = (topClosingApp == null) ? null :
+ topClosingApp.mAppAnimator;
+ Bitmap nextAppTransitionThumbnail = mAppTransition.getNextAppTransitionThumbnail();
+ if (nextAppTransitionThumbnail != null
+ && openingAppAnimator != null && openingAppAnimator.animation != null &&
+ nextAppTransitionThumbnail.getConfig() != Config.ALPHA_8) {
+ // This thumbnail animation is very special, we need to have
+ // an extra surface with the thumbnail included with the animation.
+ Rect dirty = new Rect(0, 0, nextAppTransitionThumbnail.getWidth(),
+ nextAppTransitionThumbnail.getHeight());
+ try {
+ // TODO(multi-display): support other displays
+ final DisplayContent displayContent = getDefaultDisplayContentLocked();
+ final Display display = displayContent.getDisplay();
+ final DisplayInfo displayInfo = displayContent.getDisplayInfo();
+
+ // Create a new surface for the thumbnail
+ SurfaceControl surfaceControl = new SurfaceControl(mFxSession,
+ "thumbnail anim", dirty.width(), dirty.height(),
+ PixelFormat.TRANSLUCENT, SurfaceControl.HIDDEN);
+ surfaceControl.setLayerStack(display.getLayerStack());
+ if (SHOW_TRANSACTIONS) {
+ Slog.i(TAG, " THUMBNAIL " + surfaceControl + ": CREATE");
+ }
+
+ // Draw the thumbnail onto the surface
+ Surface drawSurface = new Surface();
+ drawSurface.copyFrom(surfaceControl);
+ Canvas c = drawSurface.lockCanvas(dirty);
+ c.drawBitmap(nextAppTransitionThumbnail, 0, 0, null);
+ drawSurface.unlockCanvasAndPost(c);
+ drawSurface.release();
+
+ // Get the thumbnail animation
+ Animation anim;
+ if (mAppTransition.isNextThumbnailTransitionAspectScaled()) {
+ // For the new aspect-scaled transition, we want it to always show
+ // above the animating opening/closing window, and we want to
+ // synchronize its thumbnail surface with the surface for the
+ // open/close animation (only on the way down)
+ anim = mAppTransition.createThumbnailAspectScaleAnimationLocked(
+ displayInfo.appWidth, displayInfo.appHeight,
+ displayInfo.logicalWidth, transit);
+ openingAppAnimator.thumbnailForceAboveLayer = Math.max(topOpeningLayer,
+ topClosingLayer);
+ openingAppAnimator.deferThumbnailDestruction =
+ !mAppTransition.isNextThumbnailTransitionScaleUp();
+ if (openingAppAnimator.deferThumbnailDestruction) {
+ if (closingAppAnimator != null &&
+ closingAppAnimator.animation != null) {
+ closingAppAnimator.deferredThumbnail = surfaceControl;
+ }
+ }
+ } else {
+ anim = mAppTransition.createThumbnailScaleAnimationLocked(
+ displayInfo.appWidth, displayInfo.appHeight, transit);
+ }
+ anim.restrictDuration(MAX_ANIMATION_DURATION);
+ anim.scaleCurrentDuration(getTransitionAnimationScaleLocked());
+
+ openingAppAnimator.thumbnail = surfaceControl;
+ openingAppAnimator.thumbnailLayer = topOpeningLayer;
+ openingAppAnimator.thumbnailAnimation = anim;
+ openingAppAnimator.thumbnailX = mAppTransition.getStartingX();
+ openingAppAnimator.thumbnailY = mAppTransition.getStartingY();
+ } catch (OutOfResourcesException e) {
+ Slog.e(TAG, "Can't allocate thumbnail/Canvas surface w=" + dirty.width()
+ + " h=" + dirty.height(), e);
+ openingAppAnimator.clearThumbnail();
+ }
+ }
+
+ mAppTransition.postAnimationCallback();
+ mAppTransition.clear();
+
+ mOpeningApps.clear();
+ mClosingApps.clear();
+
+ // This has changed the visibility of windows, so perform
+ // a new layout to get them all up-to-date.
+ changes |= WindowManagerPolicy.FINISH_LAYOUT_REDO_LAYOUT
+ | WindowManagerPolicy.FINISH_LAYOUT_REDO_CONFIG;
+ getDefaultDisplayContentLocked().layoutNeeded = true;
+
+ // TODO(multidisplay): IMEs are only supported on the default display.
+ if (windows == getDefaultWindowListLocked()
+ && !moveInputMethodWindowsIfNeededLocked(true)) {
+ assignLayersLocked(windows);
+ }
+ updateFocusedWindowLocked(UPDATE_FOCUS_PLACING_SURFACES, true /*updateInputWindows*/);
+ mFocusMayChange = false;
+ }
+
+ return changes;
+ }
+
+ /**
+ * Extracted from {@link #performLayoutAndPlaceSurfacesLockedInner} to reduce size of method.
+ * @return bitmap indicating if another pass through layout must be made.
+ */
+ private int handleAnimatingStoppedAndTransitionLocked() {
+ int changes = 0;
+
+ mAppTransition.setIdle();
+ // Restore window app tokens to the ActivityManager views
+ ArrayList<TaskStack> stacks = getDefaultDisplayContentLocked().getStacks();
+ for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) {
+ final ArrayList<Task> tasks = stacks.get(stackNdx).getTasks();
+ for (int taskNdx = tasks.size() - 1; taskNdx >= 0; --taskNdx) {
+ final AppTokenList tokens = tasks.get(taskNdx).mAppTokens;
+ for (int tokenNdx = tokens.size() - 1; tokenNdx >= 0; --tokenNdx) {
+ tokens.get(tokenNdx).sendingToBottom = false;
+ }
+ }
+ }
+ rebuildAppWindowListLocked();
+
+ changes |= PhoneWindowManager.FINISH_LAYOUT_REDO_LAYOUT;
+ if (DEBUG_WALLPAPER_LIGHT) Slog.v(TAG,
+ "Wallpaper layer changed: assigning layers + relayout");
+ moveInputMethodWindowsIfNeededLocked(true);
+ mInnerFields.mWallpaperMayChange = true;
+ // Since the window list has been rebuilt, focus might
+ // have to be recomputed since the actual order of windows
+ // might have changed again.
+ mFocusMayChange = true;
+
+ return changes;
+ }
+
+ private void updateResizingWindows(final WindowState w) {
+ final WindowStateAnimator winAnimator = w.mWinAnimator;
+ if (w.mHasSurface && w.mLayoutSeq == mLayoutSeq) {
+ w.setInsetsChanged();
+ boolean configChanged = w.isConfigChanged();
+ if (DEBUG_CONFIGURATION && configChanged) {
+ Slog.v(TAG, "Win " + w + " config changed: "
+ + mCurConfiguration);
+ }
+ if (localLOGV) Slog.v(TAG, "Resizing " + w
+ + ": configChanged=" + configChanged
+ + " last=" + w.mLastFrame + " frame=" + w.mFrame);
+ w.mLastFrame.set(w.mFrame);
+ if (w.mContentInsetsChanged
+ || w.mVisibleInsetsChanged
+ || winAnimator.mSurfaceResized
+ || configChanged) {
+ if (DEBUG_RESIZE || DEBUG_ORIENTATION) {
+ Slog.v(TAG, "Resize reasons for w=" + w + ": "
+ + " contentInsetsChanged=" + w.mContentInsetsChanged
+ + " " + w.mContentInsets.toShortString()
+ + " visibleInsetsChanged=" + w.mVisibleInsetsChanged
+ + " " + w.mVisibleInsets.toShortString()
+ + " stableInsetsChanged=" + w.mStableInsetsChanged
+ + " " + w.mStableInsets.toShortString()
+ + " surfaceResized=" + winAnimator.mSurfaceResized
+ + " configChanged=" + configChanged);
+ }
+
+ w.mLastOverscanInsets.set(w.mOverscanInsets);
+ w.mLastContentInsets.set(w.mContentInsets);
+ w.mLastVisibleInsets.set(w.mVisibleInsets);
+ w.mLastStableInsets.set(w.mStableInsets);
+ makeWindowFreezingScreenIfNeededLocked(w);
+ // If the orientation is changing, then we need to
+ // hold off on unfreezing the display until this
+ // window has been redrawn; to do that, we need
+ // to go through the process of getting informed
+ // by the application when it has finished drawing.
+ if (w.mOrientationChanging) {
+ if (DEBUG_SURFACE_TRACE || DEBUG_ANIM || DEBUG_ORIENTATION) Slog.v(TAG,
+ "Orientation start waiting for draw mDrawState=DRAW_PENDING in "
+ + w + ", surface " + winAnimator.mSurfaceControl);
+ winAnimator.mDrawState = WindowStateAnimator.DRAW_PENDING;
+ if (w.mAppToken != null) {
+ w.mAppToken.allDrawn = false;
+ w.mAppToken.deferClearAllDrawn = false;
+ }
+ }
+ if (!mResizingWindows.contains(w)) {
+ if (DEBUG_RESIZE || DEBUG_ORIENTATION) Slog.v(TAG,
+ "Resizing window " + w + " to " + winAnimator.mSurfaceW
+ + "x" + winAnimator.mSurfaceH);
+ mResizingWindows.add(w);
+ }
+ } else if (w.mOrientationChanging) {
+ if (w.isDrawnLw()) {
+ if (DEBUG_ORIENTATION) Slog.v(TAG,
+ "Orientation not waiting for draw in "
+ + w + ", surface " + winAnimator.mSurfaceControl);
+ w.mOrientationChanging = false;
+ w.mLastFreezeDuration = (int)(SystemClock.elapsedRealtime()
+ - mDisplayFreezeTime);
+ }
+ }
+ }
+ }
+
+ /**
+ * Extracted from {@link #performLayoutAndPlaceSurfacesLockedInner} to reduce size of method.
+ *
+ * @param w WindowState this method is applied to.
+ * @param currentTime The time which animations use for calculating transitions.
+ * @param innerDw Width of app window.
+ * @param innerDh Height of app window.
+ */
+ private void handleNotObscuredLocked(final WindowState w, final long currentTime,
+ final int innerDw, final int innerDh) {
+ final WindowManager.LayoutParams attrs = w.mAttrs;
+ final int attrFlags = attrs.flags;
+ final boolean canBeSeen = w.isDisplayedLw();
+ final boolean opaqueDrawn = canBeSeen && w.isOpaqueDrawn();
+
+ if (opaqueDrawn && w.isFullscreen(innerDw, innerDh)) {
+ // This window completely covers everything behind it,
+ // so we want to leave all of them as undimmed (for
+ // performance reasons).
+ mInnerFields.mObscured = true;
+ }
+
+ if (w.mHasSurface) {
+ if ((attrFlags&FLAG_KEEP_SCREEN_ON) != 0) {
+ mInnerFields.mHoldScreen = w.mSession;
+ }
+ if (!mInnerFields.mSyswin && w.mAttrs.screenBrightness >= 0
+ && mInnerFields.mScreenBrightness < 0) {
+ mInnerFields.mScreenBrightness = w.mAttrs.screenBrightness;
+ }
+ if (!mInnerFields.mSyswin && w.mAttrs.buttonBrightness >= 0
+ && mInnerFields.mButtonBrightness < 0) {
+ mInnerFields.mButtonBrightness = w.mAttrs.buttonBrightness;
+ }
+ if (!mInnerFields.mSyswin && w.mAttrs.userActivityTimeout >= 0
+ && mInnerFields.mUserActivityTimeout < 0) {
+ mInnerFields.mUserActivityTimeout = w.mAttrs.userActivityTimeout;
+ }
+
+ final int type = attrs.type;
+ if (canBeSeen
+ && (type == TYPE_SYSTEM_DIALOG
+ || type == TYPE_SYSTEM_ERROR
+ || (attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0)) {
+ mInnerFields.mSyswin = true;
+ }
+
+ if (canBeSeen) {
+ // This function assumes that the contents of the default display are
+ // processed first before secondary displays.
+ final DisplayContent displayContent = w.getDisplayContent();
+ if (displayContent != null && displayContent.isDefaultDisplay) {
+ // While a dream or keyguard is showing, obscure ordinary application
+ // content on secondary displays (by forcibly enabling mirroring unless
+ // there is other content we want to show) but still allow opaque
+ // keyguard dialogs to be shown.
+ if (type == TYPE_DREAM || (attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
+ mInnerFields.mObscureApplicationContentOnSecondaryDisplays = true;
+ }
+ mInnerFields.mDisplayHasContent = true;
+ } else if (displayContent != null &&
+ (!mInnerFields.mObscureApplicationContentOnSecondaryDisplays
+ || (mInnerFields.mObscured && type == TYPE_KEYGUARD_DIALOG))) {
+ // Allow full screen keyguard presentation dialogs to be seen.
+ mInnerFields.mDisplayHasContent = true;
+ }
+ if (mInnerFields.mPreferredRefreshRate == 0
+ && w.mAttrs.preferredRefreshRate != 0) {
+ mInnerFields.mPreferredRefreshRate = w.mAttrs.preferredRefreshRate;
+ }
+ }
+ }
+ }
+
+ private void handleFlagDimBehind(WindowState w) {
+ final WindowManager.LayoutParams attrs = w.mAttrs;
+ if ((attrs.flags & FLAG_DIM_BEHIND) != 0
+ && w.isDisplayedLw()
+ && !w.mExiting) {
+ final WindowStateAnimator winAnimator = w.mWinAnimator;
+ final TaskStack stack = w.getStack();
+ if (stack == null) {
+ return;
+ }
+ stack.setDimmingTag();
+ if (!stack.isDimming(winAnimator)) {
+ if (localLOGV) Slog.v(TAG, "Win " + w + " start dimming.");
+ stack.startDimmingIfNeeded(winAnimator);
+ }
+ }
+ }
+
+ private void updateAllDrawnLocked(DisplayContent displayContent) {
+ // See if any windows have been drawn, so they (and others
+ // associated with them) can now be shown.
+ ArrayList<TaskStack> stacks = displayContent.getStacks();
+ for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) {
+ final ArrayList<Task> tasks = stacks.get(stackNdx).getTasks();
+ for (int taskNdx = tasks.size() - 1; taskNdx >= 0; --taskNdx) {
+ final AppTokenList tokens = tasks.get(taskNdx).mAppTokens;
+ for (int tokenNdx = tokens.size() - 1; tokenNdx >= 0; --tokenNdx) {
+ final AppWindowToken wtoken = tokens.get(tokenNdx);
+ if (!wtoken.allDrawn) {
+ int numInteresting = wtoken.numInterestingWindows;
+ if (numInteresting > 0 && wtoken.numDrawnWindows >= numInteresting) {
+ if (DEBUG_VISIBILITY) Slog.v(TAG,
+ "allDrawn: " + wtoken
+ + " interesting=" + numInteresting
+ + " drawn=" + wtoken.numDrawnWindows);
+ wtoken.allDrawn = true;
+ mH.obtainMessage(H.NOTIFY_ACTIVITY_DRAWN, wtoken.token).sendToTarget();
+ }
+ }
+ }
+ }
+ }
+ }
+
+ // "Something has changed! Let's make it correct now."
+ private final void performLayoutAndPlaceSurfacesLockedInner(boolean recoveringMemory) {
+ if (DEBUG_WINDOW_TRACE) {
+ Slog.v(TAG, "performLayoutAndPlaceSurfacesLockedInner: entry. Called by "
+ + Debug.getCallers(3));
+ }
+
+ final long currentTime = SystemClock.uptimeMillis();
+
+ int i;
+ boolean updateInputWindowsNeeded = false;
+
+ if (mFocusMayChange) {
+ mFocusMayChange = false;
+ updateInputWindowsNeeded = updateFocusedWindowLocked(UPDATE_FOCUS_WILL_PLACE_SURFACES,
+ false /*updateInputWindows*/);
+ }
+
+ // Initialize state of exiting tokens.
+ final int numDisplays = mDisplayContents.size();
+ for (int displayNdx = 0; displayNdx < numDisplays; ++displayNdx) {
+ final DisplayContent displayContent = mDisplayContents.valueAt(displayNdx);
+ for (i=displayContent.mExitingTokens.size()-1; i>=0; i--) {
+ displayContent.mExitingTokens.get(i).hasVisible = false;
+ }
+ }
+
+ for (int stackNdx = mStackIdToStack.size() - 1; stackNdx >= 0; --stackNdx) {
+ // Initialize state of exiting applications.
+ final AppTokenList exitingAppTokens =
+ mStackIdToStack.valueAt(stackNdx).mExitingAppTokens;
+ for (int tokenNdx = exitingAppTokens.size() - 1; tokenNdx >= 0; --tokenNdx) {
+ exitingAppTokens.get(tokenNdx).hasVisible = false;
+ }
+ }
+
+ mInnerFields.mHoldScreen = null;
+ mInnerFields.mScreenBrightness = -1;
+ mInnerFields.mButtonBrightness = -1;
+ mInnerFields.mUserActivityTimeout = -1;
+ mInnerFields.mObscureApplicationContentOnSecondaryDisplays = false;
+
+ mTransactionSequence++;
+
+ final DisplayContent defaultDisplay = getDefaultDisplayContentLocked();
+ final DisplayInfo defaultInfo = defaultDisplay.getDisplayInfo();
+ final int defaultDw = defaultInfo.logicalWidth;
+ final int defaultDh = defaultInfo.logicalHeight;
+
+ if (SHOW_LIGHT_TRANSACTIONS) Slog.i(TAG,
+ ">>> OPEN TRANSACTION performLayoutAndPlaceSurfaces");
+ SurfaceControl.openTransaction();
+ try {
+
+ if (mWatermark != null) {
+ mWatermark.positionSurface(defaultDw, defaultDh);
+ }
+ if (mStrictModeFlash != null) {
+ mStrictModeFlash.positionSurface(defaultDw, defaultDh);
+ }
+ if (mCircularDisplayMask != null) {
+ mCircularDisplayMask.positionSurface(defaultDw, defaultDh, mRotation);
+ }
+ if (mEmulatorDisplayOverlay != null) {
+ mEmulatorDisplayOverlay.positionSurface(defaultDw, defaultDh, mRotation);
+ }
+
+ boolean focusDisplayed = false;
+
+ for (int displayNdx = 0; displayNdx < numDisplays; ++displayNdx) {
+ final DisplayContent displayContent = mDisplayContents.valueAt(displayNdx);
+ boolean updateAllDrawn = false;
+ WindowList windows = displayContent.getWindowList();
+ DisplayInfo displayInfo = displayContent.getDisplayInfo();
+ final int displayId = displayContent.getDisplayId();
+ final int dw = displayInfo.logicalWidth;
+ final int dh = displayInfo.logicalHeight;
+ final int innerDw = displayInfo.appWidth;
+ final int innerDh = displayInfo.appHeight;
+ final boolean isDefaultDisplay = (displayId == Display.DEFAULT_DISPLAY);
+
+ // Reset for each display.
+ mInnerFields.mDisplayHasContent = false;
+ mInnerFields.mPreferredRefreshRate = 0;
+
+ int repeats = 0;
+ do {
+ repeats++;
+ if (repeats > 6) {
+ Slog.w(TAG, "Animation repeat aborted after too many iterations");
+ displayContent.layoutNeeded = false;
+ break;
+ }
+
+ if (DEBUG_LAYOUT_REPEATS) debugLayoutRepeats("On entry to LockedInner",
+ displayContent.pendingLayoutChanges);
+
+ if ((displayContent.pendingLayoutChanges &
+ WindowManagerPolicy.FINISH_LAYOUT_REDO_WALLPAPER) != 0 &&
+ (adjustWallpaperWindowsLocked() &
+ ADJUST_WALLPAPER_LAYERS_CHANGED) != 0) {
+ assignLayersLocked(windows);
+ displayContent.layoutNeeded = true;
+ }
+
+ if (isDefaultDisplay && (displayContent.pendingLayoutChanges
+ & WindowManagerPolicy.FINISH_LAYOUT_REDO_CONFIG) != 0) {
+ if (DEBUG_LAYOUT) Slog.v(TAG, "Computing new config from layout");
+ if (updateOrientationFromAppTokensLocked(true)) {
+ displayContent.layoutNeeded = true;
+ mH.sendEmptyMessage(H.SEND_NEW_CONFIGURATION);
+ }
+ }
+
+ if ((displayContent.pendingLayoutChanges
+ & WindowManagerPolicy.FINISH_LAYOUT_REDO_LAYOUT) != 0) {
+ displayContent.layoutNeeded = true;
+ }
+
+ // FIRST LOOP: Perform a layout, if needed.
+ if (repeats < 4) {
+ performLayoutLockedInner(displayContent, repeats == 1,
+ false /*updateInputWindows*/);
+ } else {
+ Slog.w(TAG, "Layout repeat skipped after too many iterations");
+ }
+
+ // FIRST AND ONE HALF LOOP: Make WindowManagerPolicy think
+ // it is animating.
+ displayContent.pendingLayoutChanges = 0;
+
+ if (DEBUG_LAYOUT_REPEATS) debugLayoutRepeats("loop number "
+ + mLayoutRepeatCount, displayContent.pendingLayoutChanges);
+
+ if (isDefaultDisplay) {
+ mPolicy.beginPostLayoutPolicyLw(dw, dh);
+ for (i = windows.size() - 1; i >= 0; i--) {
+ WindowState w = windows.get(i);
+ if (w.mHasSurface) {
+ mPolicy.applyPostLayoutPolicyLw(w, w.mAttrs);
+ }
+ }
+ displayContent.pendingLayoutChanges |= mPolicy.finishPostLayoutPolicyLw();
+ if (DEBUG_LAYOUT_REPEATS) debugLayoutRepeats(
+ "after finishPostLayoutPolicyLw", displayContent.pendingLayoutChanges);
+ }
+ } while (displayContent.pendingLayoutChanges != 0);
+
+ mInnerFields.mObscured = false;
+ mInnerFields.mSyswin = false;
+ displayContent.resetDimming();
+
+ // Only used if default window
+ final boolean someoneLosingFocus = !mLosingFocus.isEmpty();
+
+ final int N = windows.size();
+ for (i=N-1; i>=0; i--) {
+ WindowState w = windows.get(i);
+ final TaskStack stack = w.getStack();
+ if (stack == null && w.getAttrs().type != TYPE_PRIVATE_PRESENTATION) {
+ continue;
+ }
+
+ final boolean obscuredChanged = w.mObscured != mInnerFields.mObscured;
+
+ // Update effect.
+ w.mObscured = mInnerFields.mObscured;
+ if (!mInnerFields.mObscured) {
+ handleNotObscuredLocked(w, currentTime, innerDw, innerDh);
+ }
+
+ if (stack != null && !stack.testDimmingTag()) {
+ handleFlagDimBehind(w);
+ }
+
+ if (isDefaultDisplay && obscuredChanged && (mWallpaperTarget == w)
+ && w.isVisibleLw()) {
+ // This is the wallpaper target and its obscured state
+ // changed... make sure the current wallaper's visibility
+ // has been updated accordingly.
+ updateWallpaperVisibilityLocked();
+ }
+
+ final WindowStateAnimator winAnimator = w.mWinAnimator;
+
+ // If the window has moved due to its containing
+ // content frame changing, then we'd like to animate
+ // it.
+ if (w.mHasSurface && w.shouldAnimateMove()) {
+ // Frame has moved, containing content frame
+ // has also moved, and we're not currently animating...
+ // let's do something.
+ Animation a = AnimationUtils.loadAnimation(mContext,
+ com.android.internal.R.anim.window_move_from_decor);
+ winAnimator.setAnimation(a);
+ winAnimator.mAnimDw = w.mLastFrame.left - w.mFrame.left;
+ winAnimator.mAnimDh = w.mLastFrame.top - w.mFrame.top;
+
+ //TODO (multidisplay): Accessibility supported only for the default display.
+ if (mAccessibilityController != null
+ && displayId == Display.DEFAULT_DISPLAY) {
+ mAccessibilityController.onSomeWindowResizedOrMovedLocked();
+ }
+
+ try {
+ w.mClient.moved(w.mFrame.left, w.mFrame.top);
+ } catch (RemoteException e) {
+ }
+ }
+
+ //Slog.i(TAG, "Window " + this + " clearing mContentChanged - done placing");
+ w.mContentChanged = false;
+
+ // Moved from updateWindowsAndWallpaperLocked().
+ if (w.mHasSurface) {
+ // Take care of the window being ready to display.
+ final boolean committed =
+ winAnimator.commitFinishDrawingLocked(currentTime);
+ if (isDefaultDisplay && committed) {
+ if (w.mAttrs.type == TYPE_DREAM) {
+ // HACK: When a dream is shown, it may at that
+ // point hide the lock screen. So we need to
+ // redo the layout to let the phone window manager
+ // make this happen.
+ displayContent.pendingLayoutChanges |=
+ WindowManagerPolicy.FINISH_LAYOUT_REDO_LAYOUT;
+ if (DEBUG_LAYOUT_REPEATS) {
+ debugLayoutRepeats(
+ "dream and commitFinishDrawingLocked true",
+ displayContent.pendingLayoutChanges);
+ }
+ }
+ if ((w.mAttrs.flags & FLAG_SHOW_WALLPAPER) != 0) {
+ if (DEBUG_WALLPAPER_LIGHT) Slog.v(TAG,
+ "First draw done in potential wallpaper target " + w);
+ mInnerFields.mWallpaperMayChange = true;
+ displayContent.pendingLayoutChanges |=
+ WindowManagerPolicy.FINISH_LAYOUT_REDO_WALLPAPER;
+ if (DEBUG_LAYOUT_REPEATS) {
+ debugLayoutRepeats(
+ "wallpaper and commitFinishDrawingLocked true",
+ displayContent.pendingLayoutChanges);
+ }
+ }
+ }
+
+ winAnimator.setSurfaceBoundariesLocked(recoveringMemory);
+
+ final AppWindowToken atoken = w.mAppToken;
+ if (DEBUG_STARTING_WINDOW && atoken != null
+ && w == atoken.startingWindow) {
+ Slog.d(TAG, "updateWindows: starting " + w + " isOnScreen="
+ + w.isOnScreen() + " allDrawn=" + atoken.allDrawn
+ + " freezingScreen=" + atoken.mAppAnimator.freezingScreen);
+ }
+ if (atoken != null
+ && (!atoken.allDrawn || atoken.mAppAnimator.freezingScreen)) {
+ if (atoken.lastTransactionSequence != mTransactionSequence) {
+ atoken.lastTransactionSequence = mTransactionSequence;
+ atoken.numInterestingWindows = atoken.numDrawnWindows = 0;
+ atoken.startingDisplayed = false;
+ }
+ if ((w.isOnScreen() || winAnimator.mAttrType == TYPE_BASE_APPLICATION)
+ && !w.mExiting && !w.mDestroying) {
+ if (DEBUG_VISIBILITY || DEBUG_ORIENTATION) {
+ Slog.v(TAG, "Eval win " + w + ": isDrawn=" + w.isDrawnLw()
+ + ", isAnimating=" + winAnimator.isAnimating());
+ if (!w.isDrawnLw()) {
+ Slog.v(TAG, "Not displayed: s=" + winAnimator.mSurfaceControl
+ + " pv=" + w.mPolicyVisibility
+ + " mDrawState=" + winAnimator.mDrawState
+ + " ah=" + w.mAttachedHidden
+ + " th=" + atoken.hiddenRequested
+ + " a=" + winAnimator.mAnimating);
+ }
+ }
+ if (w != atoken.startingWindow) {
+ if (!atoken.mAppAnimator.freezingScreen || !w.mAppFreezing) {
+ atoken.numInterestingWindows++;
+ if (w.isDrawnLw()) {
+ atoken.numDrawnWindows++;
+ if (DEBUG_VISIBILITY || DEBUG_ORIENTATION) Slog.v(TAG,
+ "tokenMayBeDrawn: " + atoken
+ + " freezingScreen=" + atoken.mAppAnimator.freezingScreen
+ + " mAppFreezing=" + w.mAppFreezing);
+ updateAllDrawn = true;
+ }
+ }
+ } else if (w.isDrawnLw()) {
+ atoken.startingDisplayed = true;
+ }
+ }
+ }
+ }
+
+ if (isDefaultDisplay && someoneLosingFocus && (w == mCurrentFocus)
+ && w.isDisplayedLw()) {
+ focusDisplayed = true;
+ }
+
+ updateResizingWindows(w);
+ }
+
+ mDisplayManagerInternal.setDisplayProperties(displayId,
+ mInnerFields.mDisplayHasContent, mInnerFields.mPreferredRefreshRate,
+ true /* inTraversal, must call performTraversalInTrans... below */);
+
+ getDisplayContentLocked(displayId).stopDimmingIfNeeded();
+
+ if (updateAllDrawn) {
+ updateAllDrawnLocked(displayContent);
+ }
+ }
+
+ if (focusDisplayed) {
+ mH.sendEmptyMessage(H.REPORT_LOSING_FOCUS);
+ }
+
+ // Give the display manager a chance to adjust properties
+ // like display rotation if it needs to.
+ mDisplayManagerInternal.performTraversalInTransactionFromWindowManager();
+
+ } catch (RuntimeException e) {
+ Slog.wtf(TAG, "Unhandled exception in Window Manager", e);
+ } finally {
+ SurfaceControl.closeTransaction();
+ if (SHOW_LIGHT_TRANSACTIONS) Slog.i(TAG,
+ "<<< CLOSE TRANSACTION performLayoutAndPlaceSurfaces");
+ }
+
+ final WindowList defaultWindows = defaultDisplay.getWindowList();
+
+ // If we are ready to perform an app transition, check through
+ // all of the app tokens to be shown and see if they are ready
+ // to go.
+ if (mAppTransition.isReady()) {
+ defaultDisplay.pendingLayoutChanges |= handleAppTransitionReadyLocked(defaultWindows);
+ if (DEBUG_LAYOUT_REPEATS) debugLayoutRepeats("after handleAppTransitionReadyLocked",
+ defaultDisplay.pendingLayoutChanges);
+ }
+
+ if (!mAnimator.mAnimating && mAppTransition.isRunning()) {
+ // We have finished the animation of an app transition. To do
+ // this, we have delayed a lot of operations like showing and
+ // hiding apps, moving apps in Z-order, etc. The app token list
+ // reflects the correct Z-order, but the window list may now
+ // be out of sync with it. So here we will just rebuild the
+ // entire app window list. Fun!
+ defaultDisplay.pendingLayoutChanges |= handleAnimatingStoppedAndTransitionLocked();
+ if (DEBUG_LAYOUT_REPEATS) debugLayoutRepeats("after handleAnimStopAndXitionLock",
+ defaultDisplay.pendingLayoutChanges);
+ }
+
+ if (mInnerFields.mWallpaperForceHidingChanged && defaultDisplay.pendingLayoutChanges == 0
+ && !mAppTransition.isReady()) {
+ // At this point, there was a window with a wallpaper that
+ // was force hiding other windows behind it, but now it
+ // is going away. This may be simple -- just animate
+ // away the wallpaper and its window -- or it may be
+ // hard -- the wallpaper now needs to be shown behind
+ // something that was hidden.
+ defaultDisplay.pendingLayoutChanges |= WindowManagerPolicy.FINISH_LAYOUT_REDO_LAYOUT;
+ if (DEBUG_LAYOUT_REPEATS) debugLayoutRepeats("after animateAwayWallpaperLocked",
+ defaultDisplay.pendingLayoutChanges);
+ }
+ mInnerFields.mWallpaperForceHidingChanged = false;
+
+ if (mInnerFields.mWallpaperMayChange) {
+ if (DEBUG_WALLPAPER_LIGHT) Slog.v(TAG, "Wallpaper may change! Adjusting");
+ defaultDisplay.pendingLayoutChanges |=
+ WindowManagerPolicy.FINISH_LAYOUT_REDO_WALLPAPER;
+ if (DEBUG_LAYOUT_REPEATS) debugLayoutRepeats("WallpaperMayChange",
+ defaultDisplay.pendingLayoutChanges);
+ }
+
+ if (mFocusMayChange) {
+ mFocusMayChange = false;
+ if (updateFocusedWindowLocked(UPDATE_FOCUS_PLACING_SURFACES,
+ false /*updateInputWindows*/)) {
+ updateInputWindowsNeeded = true;
+ defaultDisplay.pendingLayoutChanges |= WindowManagerPolicy.FINISH_LAYOUT_REDO_ANIM;
+ }
+ }
+
+ if (needsLayout()) {
+ defaultDisplay.pendingLayoutChanges |= WindowManagerPolicy.FINISH_LAYOUT_REDO_LAYOUT;
+ if (DEBUG_LAYOUT_REPEATS) debugLayoutRepeats("mLayoutNeeded",
+ defaultDisplay.pendingLayoutChanges);
+ }
+
+ for (i = mResizingWindows.size() - 1; i >= 0; i--) {
+ WindowState win = mResizingWindows.get(i);
+ if (win.mAppFreezing) {
+ // Don't remove this window until rotation has completed.
+ continue;
+ }
+ win.reportResized();
+ mResizingWindows.remove(i);
+ }
+
+ if (DEBUG_ORIENTATION && mDisplayFrozen) Slog.v(TAG,
+ "With display frozen, orientationChangeComplete="
+ + mInnerFields.mOrientationChangeComplete);
+ if (mInnerFields.mOrientationChangeComplete) {
+ if (mWindowsFreezingScreen) {
+ mWindowsFreezingScreen = false;
+ mLastFinishedFreezeSource = mInnerFields.mLastWindowFreezeSource;
+ mH.removeMessages(H.WINDOW_FREEZE_TIMEOUT);
+ }
+ stopFreezingDisplayLocked();
+ }
+
+ // Destroy the surface of any windows that are no longer visible.
+ boolean wallpaperDestroyed = false;
+ i = mDestroySurface.size();
+ if (i > 0) {
+ do {
+ i--;
+ WindowState win = mDestroySurface.get(i);
+ win.mDestroying = false;
+ if (mInputMethodWindow == win) {
+ mInputMethodWindow = null;
+ }
+ if (win == mWallpaperTarget) {
+ wallpaperDestroyed = true;
+ }
+ win.mWinAnimator.destroySurfaceLocked();
+ } while (i > 0);
+ mDestroySurface.clear();
+ }
+
+ // Time to remove any exiting tokens?
+ for (int displayNdx = 0; displayNdx < numDisplays; ++displayNdx) {
+ final DisplayContent displayContent = mDisplayContents.valueAt(displayNdx);
+ ArrayList<WindowToken> exitingTokens = displayContent.mExitingTokens;
+ for (i = exitingTokens.size() - 1; i >= 0; i--) {
+ WindowToken token = exitingTokens.get(i);
+ if (!token.hasVisible) {
+ exitingTokens.remove(i);
+ if (token.windowType == TYPE_WALLPAPER) {
+ mWallpaperTokens.remove(token);
+ }
+ }
+ }
+ }
+
+ // Time to remove any exiting applications?
+ for (int stackNdx = mStackIdToStack.size() - 1; stackNdx >= 0; --stackNdx) {
+ // Initialize state of exiting applications.
+ final AppTokenList exitingAppTokens =
+ mStackIdToStack.valueAt(stackNdx).mExitingAppTokens;
+ for (i = exitingAppTokens.size() - 1; i >= 0; i--) {
+ AppWindowToken token = exitingAppTokens.get(i);
+ if (!token.hasVisible && !mClosingApps.contains(token) && !token.mDeferRemoval) {
+ // Make sure there is no animation running on this token,
+ // so any windows associated with it will be removed as
+ // soon as their animations are complete
+ token.mAppAnimator.clearAnimation();
+ token.mAppAnimator.animating = false;
+ if (DEBUG_ADD_REMOVE || DEBUG_TOKEN_MOVEMENT) Slog.v(TAG,
+ "performLayout: App token exiting now removed" + token);
+ removeAppFromTaskLocked(token);
+ exitingAppTokens.remove(i);
+ }
+ }
+ }
+
+ if (!mAnimator.mAnimating && mRelayoutWhileAnimating.size() > 0) {
+ for (int j=mRelayoutWhileAnimating.size()-1; j>=0; j--) {
+ try {
+ mRelayoutWhileAnimating.get(j).mClient.doneAnimating();
+ } catch (RemoteException e) {
+ }
+ }
+ mRelayoutWhileAnimating.clear();
+ }
+
+ if (wallpaperDestroyed) {
+ defaultDisplay.pendingLayoutChanges |=
+ WindowManagerPolicy.FINISH_LAYOUT_REDO_WALLPAPER;
+ defaultDisplay.layoutNeeded = true;
+ }
+
+ for (int displayNdx = 0; displayNdx < numDisplays; ++displayNdx) {
+ final DisplayContent displayContent = mDisplayContents.valueAt(displayNdx);
+ if (displayContent.pendingLayoutChanges != 0) {
+ displayContent.layoutNeeded = true;
+ }
+ }
+
+ // Finally update all input windows now that the window changes have stabilized.
+ mInputMonitor.updateInputWindowsLw(true /*force*/);
+
+ setHoldScreenLocked(mInnerFields.mHoldScreen);
+ if (!mDisplayFrozen) {
+ if (mInnerFields.mScreenBrightness < 0 || mInnerFields.mScreenBrightness > 1.0f) {
+ mPowerManagerInternal.setScreenBrightnessOverrideFromWindowManager(-1);
+ } else {
+ mPowerManagerInternal.setScreenBrightnessOverrideFromWindowManager(
+ toBrightnessOverride(mInnerFields.mScreenBrightness));
+ }
+ if (mInnerFields.mButtonBrightness < 0 || mInnerFields.mButtonBrightness > 1.0f) {
+ mPowerManagerInternal.setButtonBrightnessOverrideFromWindowManager(-1);
+ } else {
+ mPowerManagerInternal.setButtonBrightnessOverrideFromWindowManager(
+ toBrightnessOverride(mInnerFields.mButtonBrightness));
+ }
+ mPowerManagerInternal.setUserActivityTimeoutOverrideFromWindowManager(
+ mInnerFields.mUserActivityTimeout);
+ }
+
+ if (mTurnOnScreen) {
+ if (DEBUG_VISIBILITY) Slog.v(TAG, "Turning screen on after layout!");
+ mPowerManager.wakeUp(SystemClock.uptimeMillis());
+ mTurnOnScreen = false;
+ }
+
+ if (mInnerFields.mUpdateRotation) {
+ if (DEBUG_ORIENTATION) Slog.d(TAG, "Performing post-rotate rotation");
+ if (updateRotationUncheckedLocked(false)) {
+ mH.sendEmptyMessage(H.SEND_NEW_CONFIGURATION);
+ } else {
+ mInnerFields.mUpdateRotation = false;
+ }
+ }
+
+ if (mWaitingForDrawnCallback != null ||
+ (mInnerFields.mOrientationChangeComplete && !defaultDisplay.layoutNeeded &&
+ !mInnerFields.mUpdateRotation)) {
+ checkDrawnWindowsLocked();
+ }
+
+ final int N = mPendingRemove.size();
+ if (N > 0) {
+ if (mPendingRemoveTmp.length < N) {
+ mPendingRemoveTmp = new WindowState[N+10];
+ }
+ mPendingRemove.toArray(mPendingRemoveTmp);
+ mPendingRemove.clear();
+ DisplayContentList displayList = new DisplayContentList();
+ for (i = 0; i < N; i++) {
+ WindowState w = mPendingRemoveTmp[i];
+ removeWindowInnerLocked(w.mSession, w);
+ final DisplayContent displayContent = w.getDisplayContent();
+ if (displayContent != null && !displayList.contains(displayContent)) {
+ displayList.add(displayContent);
+ }
+ }
+
+ for (DisplayContent displayContent : displayList) {
+ assignLayersLocked(displayContent.getWindowList());
+ displayContent.layoutNeeded = true;
+ }
+ }
+
+ // Remove all deferred displays stacks, tasks, and activities.
+ for (int displayNdx = mDisplayContents.size() - 1; displayNdx >= 0; --displayNdx) {
+ mDisplayContents.valueAt(displayNdx).checkForDeferredActions();
+ }
+
+ if (updateInputWindowsNeeded) {
+ mInputMonitor.updateInputWindowsLw(false /*force*/);
+ }
+ setFocusedStackFrame();
+
+ // Check to see if we are now in a state where the screen should
+ // be enabled, because the window obscured flags have changed.
+ enableScreenIfNeededLocked();
+
+ scheduleAnimationLocked();
+
+ if (DEBUG_WINDOW_TRACE) {
+ Slog.e(TAG, "performLayoutAndPlaceSurfacesLockedInner exit: animating="
+ + mAnimator.mAnimating);
+ }
+ }
+
+ private int toBrightnessOverride(float value) {
+ return (int)(value * PowerManager.BRIGHTNESS_ON);
+ }
+
+ void checkDrawnWindowsLocked() {
+ if (mWaitingForDrawn.isEmpty() || mWaitingForDrawnCallback == null) {
+ return;
+ }
+ for (int j = mWaitingForDrawn.size() - 1; j >= 0; j--) {
+ WindowState win = mWaitingForDrawn.get(j);
+ if (DEBUG_SCREEN_ON) Slog.i(TAG, "Waiting for drawn " + win +
+ ": removed=" + win.mRemoved + " visible=" + win.isVisibleLw() +
+ " mHasSurface=" + win.mHasSurface +
+ " drawState=" + win.mWinAnimator.mDrawState);
+ if (win.mRemoved || !win.mHasSurface) {
+ // Window has been removed; no draw will now happen, so stop waiting.
+ if (DEBUG_SCREEN_ON) Slog.w(TAG, "Aborted waiting for drawn: " + win);
+ mWaitingForDrawn.remove(win);
+ } else if (win.hasDrawnLw()) {
+ // Window is now drawn (and shown).
+ if (DEBUG_SCREEN_ON) Slog.d(TAG, "Window drawn win=" + win);
+ mWaitingForDrawn.remove(win);
+ }
+ }
+ if (mWaitingForDrawn.isEmpty()) {
+ if (DEBUG_SCREEN_ON) Slog.d(TAG, "All windows drawn!");
+ mH.removeMessages(H.WAITING_FOR_DRAWN_TIMEOUT);
+ mH.sendEmptyMessage(H.ALL_WINDOWS_DRAWN);
+ }
+ }
+
+ void setHoldScreenLocked(final Session newHoldScreen) {
+ final boolean hold = newHoldScreen != null;
+
+ if (hold && mHoldingScreenOn != newHoldScreen) {
+ mHoldingScreenWakeLock.setWorkSource(new WorkSource(newHoldScreen.mUid));
+ }
+ mHoldingScreenOn = newHoldScreen;
+
+ final boolean state = mHoldingScreenWakeLock.isHeld();
+ if (hold != state) {
+ if (hold) {
+ mHoldingScreenWakeLock.acquire();
+ mPolicy.keepScreenOnStartedLw();
+ } else {
+ mPolicy.keepScreenOnStoppedLw();
+ mHoldingScreenWakeLock.release();
+ }
+ }
+ }
+
+ void requestTraversal() {
+ synchronized (mWindowMap) {
+ requestTraversalLocked();
+ }
+ }
+
+ void requestTraversalLocked() {
+ if (!mTraversalScheduled) {
+ mTraversalScheduled = true;
+ mH.sendEmptyMessage(H.DO_TRAVERSAL);
+ }
+ }
+
+ /** Note that Locked in this case is on mLayoutToAnim */
+ void scheduleAnimationLocked() {
+ if (!mAnimationScheduled) {
+ mAnimationScheduled = true;
+ mChoreographer.postCallback(
+ Choreographer.CALLBACK_ANIMATION, mAnimator.mAnimationRunnable, null);
+ }
+ }
+
+ private boolean needsLayout() {
+ final int numDisplays = mDisplayContents.size();
+ for (int displayNdx = 0; displayNdx < numDisplays; ++displayNdx) {
+ final DisplayContent displayContent = mDisplayContents.valueAt(displayNdx);
+ if (displayContent.layoutNeeded) {
+ return true;
+ }
+ }
+ return false;
+ }
+
+ boolean copyAnimToLayoutParamsLocked() {
+ boolean doRequest = false;
+
+ final int bulkUpdateParams = mAnimator.mBulkUpdateParams;
+ if ((bulkUpdateParams & LayoutFields.SET_UPDATE_ROTATION) != 0) {
+ mInnerFields.mUpdateRotation = true;
+ doRequest = true;
+ }
+ if ((bulkUpdateParams & LayoutFields.SET_WALLPAPER_MAY_CHANGE) != 0) {
+ mInnerFields.mWallpaperMayChange = true;
+ doRequest = true;
+ }
+ if ((bulkUpdateParams & LayoutFields.SET_FORCE_HIDING_CHANGED) != 0) {
+ mInnerFields.mWallpaperForceHidingChanged = true;
+ doRequest = true;
+ }
+ if ((bulkUpdateParams & LayoutFields.SET_ORIENTATION_CHANGE_COMPLETE) == 0) {
+ mInnerFields.mOrientationChangeComplete = false;
+ } else {
+ mInnerFields.mOrientationChangeComplete = true;
+ mInnerFields.mLastWindowFreezeSource = mAnimator.mLastWindowFreezeSource;
+ if (mWindowsFreezingScreen) {
+ doRequest = true;
+ }
+ }
+ if ((bulkUpdateParams & LayoutFields.SET_TURN_ON_SCREEN) != 0) {
+ mTurnOnScreen = true;
+ }
+ if ((bulkUpdateParams & LayoutFields.SET_WALLPAPER_ACTION_PENDING) != 0) {
+ mInnerFields.mWallpaperActionPending = true;
+ }
+
+ return doRequest;
+ }
+
+ /** If a window that has an animation specifying a colored background and the current wallpaper
+ * is visible, then the color goes *below* the wallpaper so we don't cause the wallpaper to
+ * suddenly disappear. */
+ int adjustAnimationBackground(WindowStateAnimator winAnimator) {
+ WindowList windows = winAnimator.mWin.getWindowList();
+ for (int i = windows.size() - 1; i >= 0; --i) {
+ WindowState testWin = windows.get(i);
+ if (testWin.mIsWallpaper && testWin.isVisibleNow()) {
+ return testWin.mWinAnimator.mAnimLayer;
+ }
+ }
+ return winAnimator.mAnimLayer;
+ }
+
+ boolean reclaimSomeSurfaceMemoryLocked(WindowStateAnimator winAnimator, String operation,
+ boolean secure) {
+ final SurfaceControl surface = winAnimator.mSurfaceControl;
+ boolean leakedSurface = false;
+ boolean killedApps = false;
+
+ EventLog.writeEvent(EventLogTags.WM_NO_SURFACE_MEMORY, winAnimator.mWin.toString(),
+ winAnimator.mSession.mPid, operation);
+
+ if (mForceRemoves == null) {
+ mForceRemoves = new ArrayList<WindowState>();
+ }
+
+ long callingIdentity = Binder.clearCallingIdentity();
+ try {
+ // There was some problem... first, do a sanity check of the
+ // window list to make sure we haven't left any dangling surfaces
+ // around.
+
+ Slog.i(TAG, "Out of memory for surface! Looking for leaks...");
+ final int numDisplays = mDisplayContents.size();
+ for (int displayNdx = 0; displayNdx < numDisplays; ++displayNdx) {
+ final WindowList windows = mDisplayContents.valueAt(displayNdx).getWindowList();
+ final int numWindows = windows.size();
+ for (int winNdx = 0; winNdx < numWindows; ++winNdx) {
+ final WindowState ws = windows.get(winNdx);
+ WindowStateAnimator wsa = ws.mWinAnimator;
+ if (wsa.mSurfaceControl != null) {
+ if (!mSessions.contains(wsa.mSession)) {
+ Slog.w(TAG, "LEAKED SURFACE (session doesn't exist): "
+ + ws + " surface=" + wsa.mSurfaceControl
+ + " token=" + ws.mToken
+ + " pid=" + ws.mSession.mPid
+ + " uid=" + ws.mSession.mUid);
+ if (SHOW_TRANSACTIONS) logSurface(ws, "LEAK DESTROY", null);
+ wsa.mSurfaceControl.destroy();
+ wsa.mSurfaceShown = false;
+ wsa.mSurfaceControl = null;
+ ws.mHasSurface = false;
+ mForceRemoves.add(ws);
+ leakedSurface = true;
+ } else if (ws.mAppToken != null && ws.mAppToken.clientHidden) {
+ Slog.w(TAG, "LEAKED SURFACE (app token hidden): "
+ + ws + " surface=" + wsa.mSurfaceControl
+ + " token=" + ws.mAppToken);
+ if (SHOW_TRANSACTIONS) logSurface(ws, "LEAK DESTROY", null);
+ wsa.mSurfaceControl.destroy();
+ wsa.mSurfaceShown = false;
+ wsa.mSurfaceControl = null;
+ ws.mHasSurface = false;
+ leakedSurface = true;
+ }
+ }
+ }
+ }
+
+ if (!leakedSurface) {
+ Slog.w(TAG, "No leaked surfaces; killing applicatons!");
+ SparseIntArray pidCandidates = new SparseIntArray();
+ for (int displayNdx = 0; displayNdx < numDisplays; ++displayNdx) {
+ final WindowList windows = mDisplayContents.valueAt(displayNdx).getWindowList();
+ final int numWindows = windows.size();
+ for (int winNdx = 0; winNdx < numWindows; ++winNdx) {
+ final WindowState ws = windows.get(winNdx);
+ if (mForceRemoves.contains(ws)) {
+ continue;
+ }
+ WindowStateAnimator wsa = ws.mWinAnimator;
+ if (wsa.mSurfaceControl != null) {
+ pidCandidates.append(wsa.mSession.mPid, wsa.mSession.mPid);
+ }
+ }
+ if (pidCandidates.size() > 0) {
+ int[] pids = new int[pidCandidates.size()];
+ for (int i=0; i<pids.length; i++) {
+ pids[i] = pidCandidates.keyAt(i);
+ }
+ try {
+ if (mActivityManager.killPids(pids, "Free memory", secure)) {
+ killedApps = true;
+ }
+ } catch (RemoteException e) {
+ }
+ }
+ }
+ }
+
+ if (leakedSurface || killedApps) {
+ // We managed to reclaim some memory, so get rid of the trouble
+ // surface and ask the app to request another one.
+ Slog.w(TAG, "Looks like we have reclaimed some memory, clearing surface for retry.");
+ if (surface != null) {
+ if (SHOW_TRANSACTIONS || SHOW_SURFACE_ALLOC) logSurface(winAnimator.mWin,
+ "RECOVER DESTROY", null);
+ surface.destroy();
+ winAnimator.mSurfaceShown = false;
+ winAnimator.mSurfaceControl = null;
+ winAnimator.mWin.mHasSurface = false;
+ scheduleRemoveStartingWindowLocked(winAnimator.mWin.mAppToken);
+ }
+
+ try {
+ winAnimator.mWin.mClient.dispatchGetNewSurface();
+ } catch (RemoteException e) {
+ }
+ }
+ } finally {
+ Binder.restoreCallingIdentity(callingIdentity);
+ }
+
+ return leakedSurface || killedApps;
+ }
+
+ private boolean updateFocusedWindowLocked(int mode, boolean updateInputWindows) {
+ WindowState newFocus = computeFocusedWindowLocked();
+ if (mCurrentFocus != newFocus) {
+ Trace.traceBegin(Trace.TRACE_TAG_WINDOW_MANAGER, "wmUpdateFocus");
+ // This check makes sure that we don't already have the focus
+ // change message pending.
+ mH.removeMessages(H.REPORT_FOCUS_CHANGE);
+ mH.sendEmptyMessage(H.REPORT_FOCUS_CHANGE);
+ // TODO(multidisplay): Focused windows on default display only.
+ final DisplayContent displayContent = getDefaultDisplayContentLocked();
+ final boolean imWindowChanged = moveInputMethodWindowsIfNeededLocked(
+ mode != UPDATE_FOCUS_WILL_ASSIGN_LAYERS
+ && mode != UPDATE_FOCUS_WILL_PLACE_SURFACES);
+ if (imWindowChanged) {
+ displayContent.layoutNeeded = true;
+ newFocus = computeFocusedWindowLocked();
+ }
+
+ if (DEBUG_FOCUS_LIGHT || localLOGV) Slog.v(TAG, "Changing focus from " +
+ mCurrentFocus + " to " + newFocus + " Callers=" + Debug.getCallers(4));
+ final WindowState oldFocus = mCurrentFocus;
+ mCurrentFocus = newFocus;
+ mLosingFocus.remove(newFocus);
+
+ // TODO(multidisplay): Accessibilty supported only of default desiplay.
+ if (mAccessibilityController != null
+ && displayContent.getDisplayId() == Display.DEFAULT_DISPLAY) {
+ mAccessibilityController.onWindowFocusChangedLocked();
+ }
+
+ int focusChanged = mPolicy.focusChangedLw(oldFocus, newFocus);
+
+ if (imWindowChanged && oldFocus != mInputMethodWindow) {
+ // Focus of the input method window changed. Perform layout if needed.
+ if (mode == UPDATE_FOCUS_PLACING_SURFACES) {
+ performLayoutLockedInner(displayContent, true /*initial*/, updateInputWindows);
+ focusChanged &= ~WindowManagerPolicy.FINISH_LAYOUT_REDO_LAYOUT;
+ } else if (mode == UPDATE_FOCUS_WILL_PLACE_SURFACES) {
+ // Client will do the layout, but we need to assign layers
+ // for handleNewWindowLocked() below.
+ assignLayersLocked(displayContent.getWindowList());
+ }
+ }
+
+ if ((focusChanged & WindowManagerPolicy.FINISH_LAYOUT_REDO_LAYOUT) != 0) {
+ // The change in focus caused us to need to do a layout. Okay.
+ displayContent.layoutNeeded = true;
+ if (mode == UPDATE_FOCUS_PLACING_SURFACES) {
+ performLayoutLockedInner(displayContent, true /*initial*/, updateInputWindows);
+ }
+ }
+
+ if (mode != UPDATE_FOCUS_WILL_ASSIGN_LAYERS) {
+ // If we defer assigning layers, then the caller is responsible for
+ // doing this part.
+ mInputMonitor.setInputFocusLw(mCurrentFocus, updateInputWindows);
+ }
+
+ Trace.traceEnd(Trace.TRACE_TAG_WINDOW_MANAGER);
+ return true;
+ }
+ return false;
+ }
+
+ private WindowState computeFocusedWindowLocked() {
+ if (mAnimator.mUniverseBackground != null
+ && mAnimator.mUniverseBackground.mWin.canReceiveKeys()) {
+ return mAnimator.mUniverseBackground.mWin;
+ }
+
+ final int displayCount = mDisplayContents.size();
+ for (int i = 0; i < displayCount; i++) {
+ final DisplayContent displayContent = mDisplayContents.valueAt(i);
+ WindowState win = findFocusedWindowLocked(displayContent);
+ if (win != null) {
+ return win;
+ }
+ }
+ return null;
+ }
+
+ private WindowState findFocusedWindowLocked(DisplayContent displayContent) {
+ final WindowList windows = displayContent.getWindowList();
+ for (int i = windows.size() - 1; i >= 0; i--) {
+ final WindowState win = windows.get(i);
+
+ if (localLOGV || DEBUG_FOCUS) Slog.v(
+ TAG, "Looking for focus: " + i
+ + " = " + win
+ + ", flags=" + win.mAttrs.flags
+ + ", canReceive=" + win.canReceiveKeys());
+
+ AppWindowToken wtoken = win.mAppToken;
+
+ // If this window's application has been removed, just skip it.
+ if (wtoken != null && (wtoken.removed || wtoken.sendingToBottom)) {
+ if (DEBUG_FOCUS) Slog.v(TAG, "Skipping " + wtoken + " because "
+ + (wtoken.removed ? "removed" : "sendingToBottom"));
+ continue;
+ }
+
+ if (!win.canReceiveKeys()) {
+ continue;
+ }
+
+ // Descend through all of the app tokens and find the first that either matches
+ // win.mAppToken (return win) or mFocusedApp (return null).
+ if (wtoken != null && win.mAttrs.type != TYPE_APPLICATION_STARTING &&
+ mFocusedApp != null) {
+ ArrayList<Task> tasks = displayContent.getTasks();
+ for (int taskNdx = tasks.size() - 1; taskNdx >= 0; --taskNdx) {
+ AppTokenList tokens = tasks.get(taskNdx).mAppTokens;
+ int tokenNdx = tokens.size() - 1;
+ for ( ; tokenNdx >= 0; --tokenNdx) {
+ final AppWindowToken token = tokens.get(tokenNdx);
+ if (wtoken == token) {
+ break;
+ }
+ if (mFocusedApp == token) {
+ // Whoops, we are below the focused app... no focus for you!
+ if (localLOGV || DEBUG_FOCUS_LIGHT) Slog.v(TAG,
+ "findFocusedWindow: Reached focused app=" + mFocusedApp);
+ return null;
+ }
+ }
+ if (tokenNdx >= 0) {
+ // Early exit from loop, must have found the matching token.
+ break;
+ }
+ }
+ }
+
+ if (DEBUG_FOCUS_LIGHT) Slog.v(TAG, "findFocusedWindow: Found new focus @ " + i +
+ " = " + win);
+ return win;
+ }
+
+ if (DEBUG_FOCUS_LIGHT) Slog.v(TAG, "findFocusedWindow: No focusable windows.");
+ return null;
+ }
+
+ private void startFreezingDisplayLocked(boolean inTransaction, int exitAnim, int enterAnim) {
+ if (mDisplayFrozen) {
+ return;
+ }
+
+ if (!mDisplayReady || !mPolicy.isScreenOn()) {
+ // No need to freeze the screen before the system is ready or if
+ // the screen is off.
+ return;
+ }
+
+ mScreenFrozenLock.acquire();
+
+ mDisplayFrozen = true;
+ mDisplayFreezeTime = SystemClock.elapsedRealtime();
+ mLastFinishedFreezeSource = null;
+
+ mInputMonitor.freezeInputDispatchingLw();
+
+ // Clear the last input window -- that is just used for
+ // clean transitions between IMEs, and if we are freezing
+ // the screen then the whole world is changing behind the scenes.
+ mPolicy.setLastInputMethodWindowLw(null, null);
+
+ if (mAppTransition.isTransitionSet()) {
+ mAppTransition.freeze();
+ }
+
+ if (PROFILE_ORIENTATION) {
+ File file = new File("/data/system/frozen");
+ Debug.startMethodTracing(file.toString(), 8 * 1024 * 1024);
+ }
+
+ if (CUSTOM_SCREEN_ROTATION) {
+ mExitAnimId = exitAnim;
+ mEnterAnimId = enterAnim;
+ final DisplayContent displayContent = getDefaultDisplayContentLocked();
+ final int displayId = displayContent.getDisplayId();
+ ScreenRotationAnimation screenRotationAnimation =
+ mAnimator.getScreenRotationAnimationLocked(displayId);
+ if (screenRotationAnimation != null) {
+ screenRotationAnimation.kill();
+ }
+
+ // Check whether the current screen contains any secure content.
+ boolean isSecure = false;
+ final WindowList windows = getDefaultWindowListLocked();
+ final int N = windows.size();
+ for (int i = 0; i < N; i++) {
+ WindowState ws = windows.get(i);
+ if (ws.isOnScreen() && (ws.mAttrs.flags & FLAG_SECURE) != 0) {
+ isSecure = true;
+ break;
+ }
+ }
+
+ // TODO(multidisplay): rotation on main screen only.
+ displayContent.updateDisplayInfo();
+ screenRotationAnimation = new ScreenRotationAnimation(mContext, displayContent,
+ mFxSession, inTransaction, mPolicy.isDefaultOrientationForced(), isSecure);
+ mAnimator.setScreenRotationAnimationLocked(displayId, screenRotationAnimation);
+ }
+ }
+
+ private void stopFreezingDisplayLocked() {
+ if (!mDisplayFrozen) {
+ return;
+ }
+
+ if (mWaitingForConfig || mAppsFreezingScreen > 0 || mWindowsFreezingScreen
+ || mClientFreezingScreen) {
+ if (DEBUG_ORIENTATION) Slog.d(TAG,
+ "stopFreezingDisplayLocked: Returning mWaitingForConfig=" + mWaitingForConfig
+ + ", mAppsFreezingScreen=" + mAppsFreezingScreen
+ + ", mWindowsFreezingScreen=" + mWindowsFreezingScreen
+ + ", mClientFreezingScreen=" + mClientFreezingScreen);
+ return;
+ }
+
+ mDisplayFrozen = false;
+ mLastDisplayFreezeDuration = (int)(SystemClock.elapsedRealtime() - mDisplayFreezeTime);
+ StringBuilder sb = new StringBuilder(128);
+ sb.append("Screen frozen for ");
+ TimeUtils.formatDuration(mLastDisplayFreezeDuration, sb);
+ if (mLastFinishedFreezeSource != null) {
+ sb.append(" due to ");
+ sb.append(mLastFinishedFreezeSource);
+ }
+ Slog.i(TAG, sb.toString());
+ mH.removeMessages(H.APP_FREEZE_TIMEOUT);
+ mH.removeMessages(H.CLIENT_FREEZE_TIMEOUT);
+ if (PROFILE_ORIENTATION) {
+ Debug.stopMethodTracing();
+ }
+
+ boolean updateRotation = false;
+
+ final DisplayContent displayContent = getDefaultDisplayContentLocked();
+ final int displayId = displayContent.getDisplayId();
+ ScreenRotationAnimation screenRotationAnimation =
+ mAnimator.getScreenRotationAnimationLocked(displayId);
+ if (CUSTOM_SCREEN_ROTATION && screenRotationAnimation != null
+ && screenRotationAnimation.hasScreenshot()) {
+ if (DEBUG_ORIENTATION) Slog.i(TAG, "**** Dismissing screen rotation animation");
+ // TODO(multidisplay): rotation on main screen only.
+ DisplayInfo displayInfo = displayContent.getDisplayInfo();
+ // Get rotation animation again, with new top window
+ boolean isDimming = displayContent.isDimming();
+ if (!mPolicy.validateRotationAnimationLw(mExitAnimId, mEnterAnimId, isDimming)) {
+ mExitAnimId = mEnterAnimId = 0;
+ }
+ if (screenRotationAnimation.dismiss(mFxSession, MAX_ANIMATION_DURATION,
+ getTransitionAnimationScaleLocked(), displayInfo.logicalWidth,
+ displayInfo.logicalHeight, mExitAnimId, mEnterAnimId)) {
+ scheduleAnimationLocked();
+ } else {
+ screenRotationAnimation.kill();
+ screenRotationAnimation = null;
+ mAnimator.setScreenRotationAnimationLocked(displayId, screenRotationAnimation);
+ updateRotation = true;
+ }
+ } else {
+ if (screenRotationAnimation != null) {
+ screenRotationAnimation.kill();
+ screenRotationAnimation = null;
+ mAnimator.setScreenRotationAnimationLocked(displayId, screenRotationAnimation);
+ }
+ updateRotation = true;
+ }
+
+ mInputMonitor.thawInputDispatchingLw();
+
+ boolean configChanged;
+
+ // While the display is frozen we don't re-compute the orientation
+ // to avoid inconsistent states. However, something interesting
+ // could have actually changed during that time so re-evaluate it
+ // now to catch that.
+ configChanged = updateOrientationFromAppTokensLocked(false);
+
+ // A little kludge: a lot could have happened while the
+ // display was frozen, so now that we are coming back we
+ // do a gc so that any remote references the system
+ // processes holds on others can be released if they are
+ // no longer needed.
+ mH.removeMessages(H.FORCE_GC);
+ mH.sendEmptyMessageDelayed(H.FORCE_GC, 2000);
+
+ mScreenFrozenLock.release();
+
+ if (updateRotation) {
+ if (DEBUG_ORIENTATION) Slog.d(TAG, "Performing post-rotate rotation");
+ configChanged |= updateRotationUncheckedLocked(false);
+ }
+
+ if (configChanged) {
+ mH.sendEmptyMessage(H.SEND_NEW_CONFIGURATION);
+ }
+ }
+
+ static int getPropertyInt(String[] tokens, int index, int defUnits, int defDps,
+ DisplayMetrics dm) {
+ if (index < tokens.length) {
+ String str = tokens[index];
+ if (str != null && str.length() > 0) {
+ try {
+ int val = Integer.parseInt(str);
+ return val;
+ } catch (Exception e) {
+ }
+ }
+ }
+ if (defUnits == TypedValue.COMPLEX_UNIT_PX) {
+ return defDps;
+ }
+ int val = (int)TypedValue.applyDimension(defUnits, defDps, dm);
+ return val;
+ }
+
+ void createWatermarkInTransaction() {
+ if (mWatermark != null) {
+ return;
+ }
+
+ File file = new File("/system/etc/setup.conf");
+ FileInputStream in = null;
+ DataInputStream ind = null;
+ try {
+ in = new FileInputStream(file);
+ ind = new DataInputStream(in);
+ String line = ind.readLine();
+ if (line != null) {
+ String[] toks = line.split("%");
+ if (toks != null && toks.length > 0) {
+ mWatermark = new Watermark(getDefaultDisplayContentLocked().getDisplay(),
+ mRealDisplayMetrics, mFxSession, toks);
+ }
+ }
+ } catch (FileNotFoundException e) {
+ } catch (IOException e) {
+ } finally {
+ if (ind != null) {
+ try {
+ ind.close();
+ } catch (IOException e) {
+ }
+ } else if (in != null) {
+ try {
+ in.close();
+ } catch (IOException e) {
+ }
+ }
+ }
+ }
+
+ @Override
+ public void statusBarVisibilityChanged(int visibility) {
+ if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.STATUS_BAR)
+ != PackageManager.PERMISSION_GRANTED) {
+ throw new SecurityException("Caller does not hold permission "
+ + android.Manifest.permission.STATUS_BAR);
+ }
+
+ synchronized (mWindowMap) {
+ mLastStatusBarVisibility = visibility;
+ visibility = mPolicy.adjustSystemUiVisibilityLw(visibility);
+ updateStatusBarVisibilityLocked(visibility);
+ }
+ }
+
+ // TOOD(multidisplay): StatusBar on multiple screens?
+ void updateStatusBarVisibilityLocked(int visibility) {
+ mInputManager.setSystemUiVisibility(visibility);
+ final WindowList windows = getDefaultWindowListLocked();
+ final int N = windows.size();
+ for (int i = 0; i < N; i++) {
+ WindowState ws = windows.get(i);
+ try {
+ int curValue = ws.mSystemUiVisibility;
+ int diff = curValue ^ visibility;
+ // We are only interested in differences of one of the
+ // clearable flags...
+ diff &= View.SYSTEM_UI_CLEARABLE_FLAGS;
+ // ...if it has actually been cleared.
+ diff &= ~visibility;
+ int newValue = (curValue&~diff) | (visibility&diff);
+ if (newValue != curValue) {
+ ws.mSeq++;
+ ws.mSystemUiVisibility = newValue;
+ }
+ if (newValue != curValue || ws.mAttrs.hasSystemUiListeners) {
+ ws.mClient.dispatchSystemUiVisibilityChanged(ws.mSeq,
+ visibility, newValue, diff);
+ }
+ } catch (RemoteException e) {
+ // so sorry
+ }
+ }
+ }
+
+ @Override
+ public void reevaluateStatusBarVisibility() {
+ synchronized (mWindowMap) {
+ int visibility = mPolicy.adjustSystemUiVisibilityLw(mLastStatusBarVisibility);
+ updateStatusBarVisibilityLocked(visibility);
+ performLayoutAndPlaceSurfacesLocked();
+ }
+ }
+
+ @Override
+ public FakeWindow addFakeWindow(Looper looper,
+ InputEventReceiver.Factory inputEventReceiverFactory,
+ String name, int windowType, int layoutParamsFlags, int layoutParamsPrivateFlags,
+ boolean canReceiveKeys, boolean hasFocus, boolean touchFullscreen) {
+ synchronized (mWindowMap) {
+ FakeWindowImpl fw = new FakeWindowImpl(this, looper, inputEventReceiverFactory,
+ name, windowType,
+ layoutParamsFlags, layoutParamsPrivateFlags, canReceiveKeys,
+ hasFocus, touchFullscreen);
+ int i=0;
+ while (i<mFakeWindows.size()) {
+ if (mFakeWindows.get(i).mWindowLayer <= fw.mWindowLayer) {
+ break;
+ }
+ }
+ mFakeWindows.add(i, fw);
+ mInputMonitor.updateInputWindowsLw(true);
+ return fw;
+ }
+ }
+
+ boolean removeFakeWindowLocked(FakeWindow window) {
+ synchronized (mWindowMap) {
+ if (mFakeWindows.remove(window)) {
+ mInputMonitor.updateInputWindowsLw(true);
+ return true;
+ }
+ return false;
+ }
+ }
+
+ // It is assumed that this method is called only by InputMethodManagerService.
+ public void saveLastInputMethodWindowForTransition() {
+ synchronized (mWindowMap) {
+ // TODO(multidisplay): Pass in the displayID.
+ DisplayContent displayContent = getDefaultDisplayContentLocked();
+ if (mInputMethodWindow != null) {
+ mPolicy.setLastInputMethodWindowLw(mInputMethodWindow, mInputMethodTarget);
+ }
+ }
+ }
+
+ public int getInputMethodWindowVisibleHeight() {
+ synchronized (mWindowMap) {
+ return mPolicy.getInputMethodWindowVisibleHeightLw();
+ }
+ }
+
+ @Override
+ public boolean hasNavigationBar() {
+ return mPolicy.hasNavigationBar();
+ }
+
+ @Override
+ public void lockNow(Bundle options) {
+ mPolicy.lockNow(options);
+ }
+
+ public void showRecentApps() {
+ mPolicy.showRecentApps();
+ }
+
+ @Override
+ public boolean isSafeModeEnabled() {
+ return mSafeMode;
+ }
+
+ @Override
+ public boolean clearWindowContentFrameStats(IBinder token) {
+ if (!checkCallingPermission(Manifest.permission.FRAME_STATS,
+ "clearWindowContentFrameStats()")) {
+ throw new SecurityException("Requires FRAME_STATS permission");
+ }
+ synchronized (mWindowMap) {
+ WindowState windowState = mWindowMap.get(token);
+ if (windowState == null) {
+ return false;
+ }
+ SurfaceControl surfaceControl = windowState.mWinAnimator.mSurfaceControl;
+ if (surfaceControl == null) {
+ return false;
+ }
+ return surfaceControl.clearContentFrameStats();
+ }
+ }
+
+ @Override
+ public WindowContentFrameStats getWindowContentFrameStats(IBinder token) {
+ if (!checkCallingPermission(Manifest.permission.FRAME_STATS,
+ "getWindowContentFrameStats()")) {
+ throw new SecurityException("Requires FRAME_STATS permission");
+ }
+ synchronized (mWindowMap) {
+ WindowState windowState = mWindowMap.get(token);
+ if (windowState == null) {
+ return null;
+ }
+ SurfaceControl surfaceControl = windowState.mWinAnimator.mSurfaceControl;
+ if (surfaceControl == null) {
+ return null;
+ }
+ if (mTempWindowRenderStats == null) {
+ mTempWindowRenderStats = new WindowContentFrameStats();
+ }
+ WindowContentFrameStats stats = mTempWindowRenderStats;
+ if (!surfaceControl.getContentFrameStats(stats)) {
+ return null;
+ }
+ return stats;
+ }
+ }
+
+ void dumpPolicyLocked(PrintWriter pw, String[] args, boolean dumpAll) {
+ pw.println("WINDOW MANAGER POLICY STATE (dumpsys window policy)");
+ mPolicy.dump(" ", pw, args);
+ }
+
+ void dumpAnimatorLocked(PrintWriter pw, String[] args, boolean dumpAll) {
+ pw.println("WINDOW MANAGER ANIMATOR STATE (dumpsys window animator)");
+ mAnimator.dumpLocked(pw, " ", dumpAll);
+ }
+
+ void dumpTokensLocked(PrintWriter pw, boolean dumpAll) {
+ pw.println("WINDOW MANAGER TOKENS (dumpsys window tokens)");
+ if (mTokenMap.size() > 0) {
+ pw.println(" All tokens:");
+ Iterator<WindowToken> it = mTokenMap.values().iterator();
+ while (it.hasNext()) {
+ WindowToken token = it.next();
+ pw.print(" "); pw.print(token);
+ if (dumpAll) {
+ pw.println(':');
+ token.dump(pw, " ");
+ } else {
+ pw.println();
+ }
+ }
+ }
+ if (mWallpaperTokens.size() > 0) {
+ pw.println();
+ pw.println(" Wallpaper tokens:");
+ for (int i=mWallpaperTokens.size()-1; i>=0; i--) {
+ WindowToken token = mWallpaperTokens.get(i);
+ pw.print(" Wallpaper #"); pw.print(i);
+ pw.print(' '); pw.print(token);
+ if (dumpAll) {
+ pw.println(':');
+ token.dump(pw, " ");
+ } else {
+ pw.println();
+ }
+ }
+ }
+ if (mFinishedStarting.size() > 0) {
+ pw.println();
+ pw.println(" Finishing start of application tokens:");
+ for (int i=mFinishedStarting.size()-1; i>=0; i--) {
+ WindowToken token = mFinishedStarting.get(i);
+ pw.print(" Finished Starting #"); pw.print(i);
+ pw.print(' '); pw.print(token);
+ if (dumpAll) {
+ pw.println(':');
+ token.dump(pw, " ");
+ } else {
+ pw.println();
+ }
+ }
+ }
+ if (mOpeningApps.size() > 0 || mClosingApps.size() > 0) {
+ pw.println();
+ if (mOpeningApps.size() > 0) {
+ pw.print(" mOpeningApps="); pw.println(mOpeningApps);
+ }
+ if (mClosingApps.size() > 0) {
+ pw.print(" mClosingApps="); pw.println(mClosingApps);
+ }
+ }
+ }
+
+ void dumpSessionsLocked(PrintWriter pw, boolean dumpAll) {
+ pw.println("WINDOW MANAGER SESSIONS (dumpsys window sessions)");
+ for (int i=0; i<mSessions.size(); i++) {
+ Session s = mSessions.valueAt(i);
+ pw.print(" Session "); pw.print(s); pw.println(':');
+ s.dump(pw, " ");
+ }
+ }
+
+ void dumpDisplayContentsLocked(PrintWriter pw, boolean dumpAll) {
+ pw.println("WINDOW MANAGER DISPLAY CONTENTS (dumpsys window displays)");
+ if (mDisplayReady) {
+ final int numDisplays = mDisplayContents.size();
+ for (int displayNdx = 0; displayNdx < numDisplays; ++displayNdx) {
+ final DisplayContent displayContent = mDisplayContents.valueAt(displayNdx);
+ displayContent.dump(" ", pw);
+ }
+ } else {
+ pw.println(" NO DISPLAY");
+ }
+ }
+
+ void dumpWindowsLocked(PrintWriter pw, boolean dumpAll,
+ ArrayList<WindowState> windows) {
+ pw.println("WINDOW MANAGER WINDOWS (dumpsys window windows)");
+ dumpWindowsNoHeaderLocked(pw, dumpAll, windows);
+ }
+
+ void dumpWindowsNoHeaderLocked(PrintWriter pw, boolean dumpAll,
+ ArrayList<WindowState> windows) {
+ final int numDisplays = mDisplayContents.size();
+ for (int displayNdx = 0; displayNdx < numDisplays; ++displayNdx) {
+ final WindowList windowList = mDisplayContents.valueAt(displayNdx).getWindowList();
+ for (int winNdx = windowList.size() - 1; winNdx >= 0; --winNdx) {
+ final WindowState w = windowList.get(winNdx);
+ if (windows == null || windows.contains(w)) {
+ pw.print(" Window #"); pw.print(winNdx); pw.print(' ');
+ pw.print(w); pw.println(":");
+ w.dump(pw, " ", dumpAll || windows != null);
+ }
+ }
+ }
+ if (mInputMethodDialogs.size() > 0) {
+ pw.println();
+ pw.println(" Input method dialogs:");
+ for (int i=mInputMethodDialogs.size()-1; i>=0; i--) {
+ WindowState w = mInputMethodDialogs.get(i);
+ if (windows == null || windows.contains(w)) {
+ pw.print(" IM Dialog #"); pw.print(i); pw.print(": "); pw.println(w);
+ }
+ }
+ }
+ if (mPendingRemove.size() > 0) {
+ pw.println();
+ pw.println(" Remove pending for:");
+ for (int i=mPendingRemove.size()-1; i>=0; i--) {
+ WindowState w = mPendingRemove.get(i);
+ if (windows == null || windows.contains(w)) {
+ pw.print(" Remove #"); pw.print(i); pw.print(' ');
+ pw.print(w);
+ if (dumpAll) {
+ pw.println(":");
+ w.dump(pw, " ", true);
+ } else {
+ pw.println();
+ }
+ }
+ }
+ }
+ if (mForceRemoves != null && mForceRemoves.size() > 0) {
+ pw.println();
+ pw.println(" Windows force removing:");
+ for (int i=mForceRemoves.size()-1; i>=0; i--) {
+ WindowState w = mForceRemoves.get(i);
+ pw.print(" Removing #"); pw.print(i); pw.print(' ');
+ pw.print(w);
+ if (dumpAll) {
+ pw.println(":");
+ w.dump(pw, " ", true);
+ } else {
+ pw.println();
+ }
+ }
+ }
+ if (mDestroySurface.size() > 0) {
+ pw.println();
+ pw.println(" Windows waiting to destroy their surface:");
+ for (int i=mDestroySurface.size()-1; i>=0; i--) {
+ WindowState w = mDestroySurface.get(i);
+ if (windows == null || windows.contains(w)) {
+ pw.print(" Destroy #"); pw.print(i); pw.print(' ');
+ pw.print(w);
+ if (dumpAll) {
+ pw.println(":");
+ w.dump(pw, " ", true);
+ } else {
+ pw.println();
+ }
+ }
+ }
+ }
+ if (mLosingFocus.size() > 0) {
+ pw.println();
+ pw.println(" Windows losing focus:");
+ for (int i=mLosingFocus.size()-1; i>=0; i--) {
+ WindowState w = mLosingFocus.get(i);
+ if (windows == null || windows.contains(w)) {
+ pw.print(" Losing #"); pw.print(i); pw.print(' ');
+ pw.print(w);
+ if (dumpAll) {
+ pw.println(":");
+ w.dump(pw, " ", true);
+ } else {
+ pw.println();
+ }
+ }
+ }
+ }
+ if (mResizingWindows.size() > 0) {
+ pw.println();
+ pw.println(" Windows waiting to resize:");
+ for (int i=mResizingWindows.size()-1; i>=0; i--) {
+ WindowState w = mResizingWindows.get(i);
+ if (windows == null || windows.contains(w)) {
+ pw.print(" Resizing #"); pw.print(i); pw.print(' ');
+ pw.print(w);
+ if (dumpAll) {
+ pw.println(":");
+ w.dump(pw, " ", true);
+ } else {
+ pw.println();
+ }
+ }
+ }
+ }
+ if (mWaitingForDrawn.size() > 0) {
+ pw.println();
+ pw.println(" Clients waiting for these windows to be drawn:");
+ for (int i=mWaitingForDrawn.size()-1; i>=0; i--) {
+ WindowState win = mWaitingForDrawn.get(i);
+ pw.print(" Waiting #"); pw.print(i); pw.print(' '); pw.print(win);
+ }
+ }
+ pw.println();
+ pw.print(" mCurConfiguration="); pw.println(this.mCurConfiguration);
+ pw.print(" mHasPermanentDpad="); pw.println(mHasPermanentDpad);
+ pw.print(" mCurrentFocus="); pw.println(mCurrentFocus);
+ if (mLastFocus != mCurrentFocus) {
+ pw.print(" mLastFocus="); pw.println(mLastFocus);
+ }
+ pw.print(" mFocusedApp="); pw.println(mFocusedApp);
+ if (mInputMethodTarget != null) {
+ pw.print(" mInputMethodTarget="); pw.println(mInputMethodTarget);
+ }
+ pw.print(" mInTouchMode="); pw.print(mInTouchMode);
+ pw.print(" mLayoutSeq="); pw.println(mLayoutSeq);
+ pw.print(" mLastDisplayFreezeDuration=");
+ TimeUtils.formatDuration(mLastDisplayFreezeDuration, pw);
+ if ( mLastFinishedFreezeSource != null) {
+ pw.print(" due to ");
+ pw.print(mLastFinishedFreezeSource);
+ }
+ pw.println();
+ if (dumpAll) {
+ pw.print(" mSystemDecorLayer="); pw.print(mSystemDecorLayer);
+ pw.print(" mScreenRect="); pw.println(mScreenRect.toShortString());
+ if (mLastStatusBarVisibility != 0) {
+ pw.print(" mLastStatusBarVisibility=0x");
+ pw.println(Integer.toHexString(mLastStatusBarVisibility));
+ }
+ if (mInputMethodWindow != null) {
+ pw.print(" mInputMethodWindow="); pw.println(mInputMethodWindow);
+ }
+ pw.print(" mWallpaperTarget="); pw.println(mWallpaperTarget);
+ if (mLowerWallpaperTarget != null || mUpperWallpaperTarget != null) {
+ pw.print(" mLowerWallpaperTarget="); pw.println(mLowerWallpaperTarget);
+ pw.print(" mUpperWallpaperTarget="); pw.println(mUpperWallpaperTarget);
+ }
+ pw.print(" mLastWallpaperX="); pw.print(mLastWallpaperX);
+ pw.print(" mLastWallpaperY="); pw.println(mLastWallpaperY);
+ if (mLastWallpaperDisplayOffsetX != Integer.MIN_VALUE
+ || mLastWallpaperDisplayOffsetY != Integer.MIN_VALUE) {
+ pw.print(" mLastWallpaperDisplayOffsetX="); pw.print(mLastWallpaperDisplayOffsetX);
+ pw.print(" mLastWallpaperDisplayOffsetY=");
+ pw.println(mLastWallpaperDisplayOffsetY);
+ }
+ if (mInputMethodAnimLayerAdjustment != 0 ||
+ mWallpaperAnimLayerAdjustment != 0) {
+ pw.print(" mInputMethodAnimLayerAdjustment=");
+ pw.print(mInputMethodAnimLayerAdjustment);
+ pw.print(" mWallpaperAnimLayerAdjustment=");
+ pw.println(mWallpaperAnimLayerAdjustment);
+ }
+ pw.print(" mSystemBooted="); pw.print(mSystemBooted);
+ pw.print(" mDisplayEnabled="); pw.println(mDisplayEnabled);
+ if (needsLayout()) {
+ pw.print(" layoutNeeded on displays=");
+ for (int displayNdx = 0; displayNdx < numDisplays; ++displayNdx) {
+ final DisplayContent displayContent = mDisplayContents.valueAt(displayNdx);
+ if (displayContent.layoutNeeded) {
+ pw.print(displayContent.getDisplayId());
+ }
+ }
+ pw.println();
+ }
+ pw.print(" mTransactionSequence="); pw.println(mTransactionSequence);
+ pw.print(" mDisplayFrozen="); pw.print(mDisplayFrozen);
+ pw.print(" windows="); pw.print(mWindowsFreezingScreen);
+ pw.print(" client="); pw.print(mClientFreezingScreen);
+ pw.print(" apps="); pw.print(mAppsFreezingScreen);
+ pw.print(" waitingForConfig="); pw.println(mWaitingForConfig);
+ pw.print(" mRotation="); pw.print(mRotation);
+ pw.print(" mAltOrientation="); pw.println(mAltOrientation);
+ pw.print(" mLastWindowForcedOrientation="); pw.print(mLastWindowForcedOrientation);
+ pw.print(" mForcedAppOrientation="); pw.println(mForcedAppOrientation);
+ pw.print(" mDeferredRotationPauseCount="); pw.println(mDeferredRotationPauseCount);
+ pw.print(" Animation settings: disabled="); pw.print(mAnimationsDisabled);
+ pw.print(" window="); pw.print(mWindowAnimationScaleSetting);
+ pw.print(" transition="); pw.print(mTransitionAnimationScaleSetting);
+ pw.print(" animator="); pw.println(mAnimatorDurationScaleSetting);
+ pw.print(" mTraversalScheduled="); pw.println(mTraversalScheduled);
+ pw.print(" mStartingIconInTransition="); pw.print(mStartingIconInTransition);
+ pw.print(" mSkipAppTransitionAnimation="); pw.println(mSkipAppTransitionAnimation);
+ pw.println(" mLayoutToAnim:");
+ mAppTransition.dump(pw);
+ }
+ }
+
+ boolean dumpWindows(PrintWriter pw, String name, String[] args,
+ int opti, boolean dumpAll) {
+ WindowList windows = new WindowList();
+ if ("visible".equals(name)) {
+ synchronized(mWindowMap) {
+ final int numDisplays = mDisplayContents.size();
+ for (int displayNdx = 0; displayNdx < numDisplays; ++displayNdx) {
+ final WindowList windowList =
+ mDisplayContents.valueAt(displayNdx).getWindowList();
+ for (int winNdx = windowList.size() - 1; winNdx >= 0; --winNdx) {
+ final WindowState w = windowList.get(winNdx);
+ if (w.mWinAnimator.mSurfaceShown) {
+ windows.add(w);
+ }
+ }
+ }
+ }
+ } else {
+ int objectId = 0;
+ // See if this is an object ID.
+ try {
+ objectId = Integer.parseInt(name, 16);
+ name = null;
+ } catch (RuntimeException e) {
+ }
+ synchronized(mWindowMap) {
+ final int numDisplays = mDisplayContents.size();
+ for (int displayNdx = 0; displayNdx < numDisplays; ++displayNdx) {
+ final WindowList windowList =
+ mDisplayContents.valueAt(displayNdx).getWindowList();
+ for (int winNdx = windowList.size() - 1; winNdx >= 0; --winNdx) {
+ final WindowState w = windowList.get(winNdx);
+ if (name != null) {
+ if (w.mAttrs.getTitle().toString().contains(name)) {
+ windows.add(w);
+ }
+ } else if (System.identityHashCode(w) == objectId) {
+ windows.add(w);
+ }
+ }
+ }
+ }
+ }
+
+ if (windows.size() <= 0) {
+ return false;
+ }
+
+ synchronized(mWindowMap) {
+ dumpWindowsLocked(pw, dumpAll, windows);
+ }
+ return true;
+ }
+
+ void dumpLastANRLocked(PrintWriter pw) {
+ pw.println("WINDOW MANAGER LAST ANR (dumpsys window lastanr)");
+ if (mLastANRState == null) {
+ pw.println(" <no ANR has occurred since boot>");
+ } else {
+ pw.println(mLastANRState);
+ }
+ }
+
+ /**
+ * Saves information about the state of the window manager at
+ * the time an ANR occurred before anything else in the system changes
+ * in response.
+ *
+ * @param appWindowToken The application that ANR'd, may be null.
+ * @param windowState The window that ANR'd, may be null.
+ * @param reason The reason for the ANR, may be null.
+ */
+ public void saveANRStateLocked(AppWindowToken appWindowToken, WindowState windowState,
+ String reason) {
+ StringWriter sw = new StringWriter();
+ PrintWriter pw = new FastPrintWriter(sw, false, 1024);
+ pw.println(" ANR time: " + DateFormat.getInstance().format(new Date()));
+ if (appWindowToken != null) {
+ pw.println(" Application at fault: " + appWindowToken.stringName);
+ }
+ if (windowState != null) {
+ pw.println(" Window at fault: " + windowState.mAttrs.getTitle());
+ }
+ if (reason != null) {
+ pw.println(" Reason: " + reason);
+ }
+ pw.println();
+ dumpWindowsNoHeaderLocked(pw, true, null);
+ pw.close();
+ mLastANRState = sw.toString();
+ }
+
+ @Override
+ public void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
+ if (mContext.checkCallingOrSelfPermission("android.permission.DUMP")
+ != PackageManager.PERMISSION_GRANTED) {
+ pw.println("Permission Denial: can't dump WindowManager from from pid="
+ + Binder.getCallingPid()
+ + ", uid=" + Binder.getCallingUid());
+ return;
+ }
+
+ boolean dumpAll = false;
+
+ int opti = 0;
+ while (opti < args.length) {
+ String opt = args[opti];
+ if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') {
+ break;
+ }
+ opti++;
+ if ("-a".equals(opt)) {
+ dumpAll = true;
+ } else if ("-h".equals(opt)) {
+ pw.println("Window manager dump options:");
+ pw.println(" [-a] [-h] [cmd] ...");
+ pw.println(" cmd may be one of:");
+ pw.println(" l[astanr]: last ANR information");
+ pw.println(" p[policy]: policy state");
+ pw.println(" a[animator]: animator state");
+ pw.println(" s[essions]: active sessions");
+ pw.println(" surfaces: active surfaces (debugging enabled only)");
+ pw.println(" d[isplays]: active display contents");
+ pw.println(" t[okens]: token list");
+ pw.println(" w[indows]: window list");
+ pw.println(" cmd may also be a NAME to dump windows. NAME may");
+ pw.println(" be a partial substring in a window name, a");
+ pw.println(" Window hex object identifier, or");
+ pw.println(" \"all\" for all windows, or");
+ pw.println(" \"visible\" for the visible windows.");
+ pw.println(" -a: include all available server state.");
+ return;
+ } else {
+ pw.println("Unknown argument: " + opt + "; use -h for help");
+ }
+ }
+
+ // Is the caller requesting to dump a particular piece of data?
+ if (opti < args.length) {
+ String cmd = args[opti];
+ opti++;
+ if ("lastanr".equals(cmd) || "l".equals(cmd)) {
+ synchronized(mWindowMap) {
+ dumpLastANRLocked(pw);
+ }
+ return;
+ } else if ("policy".equals(cmd) || "p".equals(cmd)) {
+ synchronized(mWindowMap) {
+ dumpPolicyLocked(pw, args, true);
+ }
+ return;
+ } else if ("animator".equals(cmd) || "a".equals(cmd)) {
+ synchronized(mWindowMap) {
+ dumpAnimatorLocked(pw, args, true);
+ }
+ return;
+ } else if ("sessions".equals(cmd) || "s".equals(cmd)) {
+ synchronized(mWindowMap) {
+ dumpSessionsLocked(pw, true);
+ }
+ return;
+ } else if ("surfaces".equals(cmd)) {
+ synchronized(mWindowMap) {
+ WindowStateAnimator.SurfaceTrace.dumpAllSurfaces(pw, null);
+ }
+ return;
+ } else if ("displays".equals(cmd) || "d".equals(cmd)) {
+ synchronized(mWindowMap) {
+ dumpDisplayContentsLocked(pw, true);
+ }
+ return;
+ } else if ("tokens".equals(cmd) || "t".equals(cmd)) {
+ synchronized(mWindowMap) {
+ dumpTokensLocked(pw, true);
+ }
+ return;
+ } else if ("windows".equals(cmd) || "w".equals(cmd)) {
+ synchronized(mWindowMap) {
+ dumpWindowsLocked(pw, true, null);
+ }
+ return;
+ } else if ("all".equals(cmd) || "a".equals(cmd)) {
+ synchronized(mWindowMap) {
+ dumpWindowsLocked(pw, true, null);
+ }
+ return;
+ } else {
+ // Dumping a single name?
+ if (!dumpWindows(pw, cmd, args, opti, dumpAll)) {
+ pw.println("Bad window command, or no windows match: " + cmd);
+ pw.println("Use -h for help.");
+ }
+ return;
+ }
+ }
+
+ synchronized(mWindowMap) {
+ pw.println();
+ if (dumpAll) {
+ pw.println("-------------------------------------------------------------------------------");
+ }
+ dumpLastANRLocked(pw);
+ pw.println();
+ if (dumpAll) {
+ pw.println("-------------------------------------------------------------------------------");
+ }
+ dumpPolicyLocked(pw, args, dumpAll);
+ pw.println();
+ if (dumpAll) {
+ pw.println("-------------------------------------------------------------------------------");
+ }
+ dumpAnimatorLocked(pw, args, dumpAll);
+ pw.println();
+ if (dumpAll) {
+ pw.println("-------------------------------------------------------------------------------");
+ }
+ dumpSessionsLocked(pw, dumpAll);
+ pw.println();
+ if (dumpAll) {
+ pw.println("-------------------------------------------------------------------------------");
+ }
+ WindowStateAnimator.SurfaceTrace.dumpAllSurfaces(pw, dumpAll ?
+ "-------------------------------------------------------------------------------"
+ : null);
+ pw.println();
+ if (dumpAll) {
+ pw.println("-------------------------------------------------------------------------------");
+ }
+ dumpDisplayContentsLocked(pw, dumpAll);
+ pw.println();
+ if (dumpAll) {
+ pw.println("-------------------------------------------------------------------------------");
+ }
+ dumpTokensLocked(pw, dumpAll);
+ pw.println();
+ if (dumpAll) {
+ pw.println("-------------------------------------------------------------------------------");
+ }
+ dumpWindowsLocked(pw, dumpAll, null);
+ }
+ }
+
+ // Called by the heartbeat to ensure locks are not held indefnitely (for deadlock detection).
+ @Override
+ public void monitor() {
+ synchronized (mWindowMap) { }
+ }
+
+ public interface OnHardKeyboardStatusChangeListener {
+ public void onHardKeyboardStatusChange(boolean available);
+ }
+
+ void debugLayoutRepeats(final String msg, int pendingLayoutChanges) {
+ if (mLayoutRepeatCount >= LAYOUT_REPEAT_THRESHOLD) {
+ Slog.v(TAG, "Layouts looping: " + msg + ", mPendingLayoutChanges = 0x" +
+ Integer.toHexString(pendingLayoutChanges));
+ }
+ }
+
+ private DisplayContent newDisplayContentLocked(final Display display) {
+ DisplayContent displayContent = new DisplayContent(display, this);
+ final int displayId = display.getDisplayId();
+ if (DEBUG_DISPLAY) Slog.v(TAG, "Adding display=" + display);
+ mDisplayContents.put(displayId, displayContent);
+
+ DisplayInfo displayInfo = displayContent.getDisplayInfo();
+ final Rect rect = new Rect();
+ mDisplaySettings.getOverscanLocked(displayInfo.name, rect);
+ synchronized (displayContent.mDisplaySizeLock) {
+ displayInfo.overscanLeft = rect.left;
+ displayInfo.overscanTop = rect.top;
+ displayInfo.overscanRight = rect.right;
+ displayInfo.overscanBottom = rect.bottom;
+ mDisplayManagerInternal.setDisplayInfoOverrideFromWindowManager(
+ displayId, displayInfo);
+ }
+ configureDisplayPolicyLocked(displayContent);
+
+ // TODO: Create an input channel for each display with touch capability.
+ if (displayId == Display.DEFAULT_DISPLAY) {
+ displayContent.mTapDetector = new StackTapPointerEventListener(this, displayContent);
+ registerPointerEventListener(displayContent.mTapDetector);
+ }
+
+ return displayContent;
+ }
+
+ public void createDisplayContentLocked(final Display display) {
+ if (display == null) {
+ throw new IllegalArgumentException("getDisplayContent: display must not be null");
+ }
+ getDisplayContentLocked(display.getDisplayId());
+ }
+
+ /**
+ * Retrieve the DisplayContent for the specified displayId. Will create a new DisplayContent if
+ * there is a Display for the displayId.
+ * @param displayId The display the caller is interested in.
+ * @return The DisplayContent associated with displayId or null if there is no Display for it.
+ */
+ public DisplayContent getDisplayContentLocked(final int displayId) {
+ DisplayContent displayContent = mDisplayContents.get(displayId);
+ if (displayContent == null) {
+ final Display display = mDisplayManager.getDisplay(displayId);
+ if (display != null) {
+ displayContent = newDisplayContentLocked(display);
+ }
+ }
+ return displayContent;
+ }
+
+ // There is an inherent assumption that this will never return null.
+ public DisplayContent getDefaultDisplayContentLocked() {
+ return getDisplayContentLocked(Display.DEFAULT_DISPLAY);
+ }
+
+ public WindowList getDefaultWindowListLocked() {
+ return getDefaultDisplayContentLocked().getWindowList();
+ }
+
+ public DisplayInfo getDefaultDisplayInfoLocked() {
+ return getDefaultDisplayContentLocked().getDisplayInfo();
+ }
+
+ /**
+ * Return the list of WindowStates associated on the passed display.
+ * @param display The screen to return windows from.
+ * @return The list of WindowStates on the screen, or null if the there is no screen.
+ */
+ public WindowList getWindowListLocked(final Display display) {
+ return getWindowListLocked(display.getDisplayId());
+ }
+
+ /**
+ * Return the list of WindowStates associated on the passed display.
+ * @param displayId The screen to return windows from.
+ * @return The list of WindowStates on the screen, or null if the there is no screen.
+ */
+ public WindowList getWindowListLocked(final int displayId) {
+ final DisplayContent displayContent = getDisplayContentLocked(displayId);
+ return displayContent != null ? displayContent.getWindowList() : null;
+ }
+
+ public void onDisplayAdded(int displayId) {
+ mH.sendMessage(mH.obtainMessage(H.DO_DISPLAY_ADDED, displayId, 0));
+ }
+
+ public void handleDisplayAdded(int displayId) {
+ synchronized (mWindowMap) {
+ final Display display = mDisplayManager.getDisplay(displayId);
+ if (display != null) {
+ createDisplayContentLocked(display);
+ displayReady(displayId);
+ }
+ requestTraversalLocked();
+ }
+ }
+
+ public void onDisplayRemoved(int displayId) {
+ mH.sendMessage(mH.obtainMessage(H.DO_DISPLAY_REMOVED, displayId, 0));
+ }
+
+ private void handleDisplayRemovedLocked(int displayId) {
+ final DisplayContent displayContent = getDisplayContentLocked(displayId);
+ if (displayContent != null) {
+ if (displayContent.isAnimating()) {
+ displayContent.mDeferredRemoval = true;
+ return;
+ }
+ if (DEBUG_DISPLAY) Slog.v(TAG, "Removing display=" + displayContent);
+ mDisplayContents.delete(displayId);
+ displayContent.close();
+ if (displayId == Display.DEFAULT_DISPLAY) {
+ unregisterPointerEventListener(displayContent.mTapDetector);
+ }
+ }
+ mAnimator.removeDisplayLocked(displayId);
+ requestTraversalLocked();
+ }
+
+ public void onDisplayChanged(int displayId) {
+ mH.sendMessage(mH.obtainMessage(H.DO_DISPLAY_CHANGED, displayId, 0));
+ }
+
+ private void handleDisplayChangedLocked(int displayId) {
+ final DisplayContent displayContent = getDisplayContentLocked(displayId);
+ if (displayContent != null) {
+ displayContent.updateDisplayInfo();
+ }
+ requestTraversalLocked();
+ }
+
+ @Override
+ public Object getWindowManagerLock() {
+ return mWindowMap;
+ }
+
+ private final class LocalService extends WindowManagerInternal {
+ @Override
+ public void requestTraversalFromDisplayManager() {
+ requestTraversal();
+ }
+
+ @Override
+ public void setMagnificationSpec(MagnificationSpec spec) {
+ synchronized (mWindowMap) {
+ if (mAccessibilityController != null) {
+ mAccessibilityController.setMagnificationSpecLocked(spec);
+ } else {
+ throw new IllegalStateException("Magnification callbacks not set!");
+ }
+ }
+ if (Binder.getCallingPid() != android.os.Process.myPid()) {
+ spec.recycle();
+ }
+ }
+
+ @Override
+ public MagnificationSpec getCompatibleMagnificationSpecForWindow(IBinder windowToken) {
+ synchronized (mWindowMap) {
+ WindowState windowState = mWindowMap.get(windowToken);
+ if (windowState == null) {
+ return null;
+ }
+ MagnificationSpec spec = null;
+ if (mAccessibilityController != null) {
+ spec = mAccessibilityController.getMagnificationSpecForWindowLocked(windowState);
+ }
+ if ((spec == null || spec.isNop()) && windowState.mGlobalScale == 1.0f) {
+ return null;
+ }
+ spec = (spec == null) ? MagnificationSpec.obtain() : MagnificationSpec.obtain(spec);
+ spec.scale *= windowState.mGlobalScale;
+ return spec;
+ }
+ }
+
+ @Override
+ public void setMagnificationCallbacks(MagnificationCallbacks callbacks) {
+ synchronized (mWindowMap) {
+ if (mAccessibilityController == null) {
+ mAccessibilityController = new AccessibilityController(
+ WindowManagerService.this);
+ }
+ mAccessibilityController.setMagnificationCallbacksLocked(callbacks);
+ if (!mAccessibilityController.hasCallbacksLocked()) {
+ mAccessibilityController = null;
+ }
+ }
+ }
+
+ @Override
+ public void setWindowsForAccessibilityCallback(WindowsForAccessibilityCallback callback) {
+ synchronized (mWindowMap) {
+ if (mAccessibilityController == null) {
+ mAccessibilityController = new AccessibilityController(
+ WindowManagerService.this);
+ }
+ mAccessibilityController.setWindowsForAccessibilityCallback(callback);
+ if (!mAccessibilityController.hasCallbacksLocked()) {
+ mAccessibilityController = null;
+ }
+ }
+ }
+
+ @Override
+ public void setInputFilter(IInputFilter filter) {
+ mInputManager.setInputFilter(filter);
+ }
+
+ @Override
+ public IBinder getFocusedWindowToken() {
+ synchronized (mWindowMap) {
+ WindowState windowState = getFocusedWindowLocked();
+ if (windowState != null) {
+ return windowState.mClient.asBinder();
+ }
+ return null;
+ }
+ }
+
+ @Override
+ public boolean isKeyguardLocked() {
+ return WindowManagerService.this.isKeyguardLocked();
+ }
+
+ @Override
+ public void showGlobalActions() {
+ WindowManagerService.this.showGlobalActions();
+ }
+
+ @Override
+ public void getWindowFrame(IBinder token, Rect outBounds) {
+ synchronized (mWindowMap) {
+ WindowState windowState = mWindowMap.get(token);
+ if (windowState != null) {
+ outBounds.set(windowState.mFrame);
+ } else {
+ outBounds.setEmpty();
+ }
+ }
+ }
+
+ @Override
+ public void waitForAllWindowsDrawn(Runnable callback, long timeout) {
+ synchronized (mWindowMap) {
+ mWaitingForDrawnCallback = callback;
+ final WindowList windows = getDefaultWindowListLocked();
+ for (int winNdx = windows.size() - 1; winNdx >= 0; --winNdx) {
+ final WindowState win = windows.get(winNdx);
+ if (win.isVisibleLw()
+ && (win.mAppToken != null || mPolicy.isForceHiding(win.mAttrs))) {
+ win.mWinAnimator.mDrawState = WindowStateAnimator.DRAW_PENDING;
+ // Force add to mResizingWindows.
+ win.mLastContentInsets.set(-1, -1, -1, -1);
+ mWaitingForDrawn.add(win);
+ }
+ }
+ requestTraversalLocked();
+ }
+ mH.removeMessages(H.WAITING_FOR_DRAWN_TIMEOUT);
+ if (mWaitingForDrawn.isEmpty()) {
+ callback.run();
+ } else {
+ mH.sendEmptyMessageDelayed(H.WAITING_FOR_DRAWN_TIMEOUT, timeout);
+ checkDrawnWindowsLocked();
+ }
+ }
+ }
+}
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