services/core/java/com/android/server/policy/PhoneWindowManager.java

   1 /*
   2  * Copyright (C) 2006 The Android Open Source Project
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *      http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 package com.android.server.policy;
  18
  19 import android.app.ActivityManager;
  20 import android.app.ActivityManagerInternal;
  21 import android.app.ActivityManagerInternal.SleepToken;
  22 import android.app.ActivityManagerNative;
  23 import android.app.AppOpsManager;
  24 import android.app.IUiModeManager;
  25 import android.app.ProgressDialog;
  26 import android.app.SearchManager;
  27 import android.app.StatusBarManager;
  28 import android.app.UiModeManager;
  29 import android.content.ActivityNotFoundException;
  30 import android.content.BroadcastReceiver;
  31 import android.content.ComponentName;
  32 import android.content.ContentResolver;
  33 import android.content.Context;
  34 import android.content.Intent;
  35 import android.content.IntentFilter;
  36 import android.content.ServiceConnection;
  37 import android.content.pm.ActivityInfo;
  38 import android.content.pm.PackageManager;
  39 import android.content.pm.ResolveInfo;
  40 import android.content.res.CompatibilityInfo;
  41 import android.content.res.Configuration;
  42 import android.content.res.Resources;
  43 import android.content.res.TypedArray;
  44 import android.database.ContentObserver;
  45 import android.graphics.PixelFormat;
  46 import android.graphics.Rect;
  47 import android.hardware.hdmi.HdmiControlManager;
  48 import android.hardware.hdmi.HdmiPlaybackClient;
  49 import android.hardware.hdmi.HdmiPlaybackClient.OneTouchPlayCallback;
  50 import android.media.AudioAttributes;
  51 import android.media.AudioManager;
  52 import android.media.AudioSystem;
  53 import android.media.IAudioService;
  54 import android.media.Ringtone;
  55 import android.media.RingtoneManager;
  56 import android.media.session.MediaSessionLegacyHelper;
  57 import android.os.Binder;
  58 import android.os.Bundle;
  59 import android.os.Debug;
  60 import android.os.FactoryTest;
  61 import android.os.Handler;
  62 import android.os.IBinder;
  63 import android.os.IDeviceIdleController;
  64 import android.os.Looper;
  65 import android.os.Message;
  66 import android.os.Messenger;
  67 import android.os.PowerManager;
  68 import android.os.PowerManagerInternal;
  69 import android.os.Process;
  70 import android.os.RemoteException;
  71 import android.os.ServiceManager;
  72 import android.os.SystemClock;
  73 import android.os.SystemProperties;
  74 import android.os.UEventObserver;
  75 import android.os.UserHandle;
  76 import android.os.Vibrator;
  77 import android.provider.MediaStore;
  78 import android.provider.Settings;
  79 import android.service.dreams.DreamManagerInternal;
  80 import android.service.dreams.DreamService;
  81 import android.service.dreams.IDreamManager;
  82 import android.speech.RecognizerIntent;
  83 import android.telecom.TelecomManager;
  84 import android.util.DisplayMetrics;
  85 import android.util.EventLog;
  86 import android.util.Log;
  87 import android.util.Slog;
  88 import android.util.SparseArray;
  89 import android.view.Display;
  90 import android.view.Gravity;
  91 import android.view.HapticFeedbackConstants;
  92 import android.view.IApplicationToken;
  93 import android.view.IWindowManager;
  94 import android.view.InputChannel;
  95 import android.view.InputDevice;
  96 import android.view.InputEvent;
  97 import android.view.InputEventReceiver;
  98 import android.view.KeyCharacterMap;
  99 import android.view.KeyCharacterMap.FallbackAction;
 100 import android.view.KeyEvent;
 101 import android.view.MotionEvent;
 102
 103 import com.android.internal.logging.MetricsLogger;
 104 import com.android.internal.policy.PhoneWindow;
 105 import android.view.Surface;
 106 import android.view.View;
 107 import android.view.ViewConfiguration;
 108 import android.view.WindowManager;
 109 import android.view.WindowManagerGlobal;
 110 import android.view.WindowManagerInternal;
 111 import android.view.WindowManagerPolicy;
 112 import android.view.accessibility.AccessibilityEvent;
 113 import android.view.accessibility.AccessibilityManager;
 114 import android.view.animation.Animation;
 115 import android.view.animation.AnimationSet;
 116 import android.view.animation.AnimationUtils;
 117 import com.android.internal.R;
 118 import com.android.internal.statusbar.IStatusBarService;
 119 import com.android.internal.util.ScreenShapeHelper;
 120 import com.android.internal.widget.PointerLocationView;
 121 import com.android.server.GestureLauncherService;
 122 import com.android.server.LocalServices;
 123 import com.android.server.policy.keyguard.KeyguardServiceDelegate;
 124 import com.android.server.policy.keyguard.KeyguardServiceDelegate.DrawnListener;
 125
 126 import java.io.File;
 127 import java.io.FileReader;
 128 import java.io.IOException;
 129 import java.io.PrintWriter;
 130 import java.util.HashSet;
 131 import java.util.List;
 132
 133 import static android.view.WindowManager.LayoutParams.*;
 134 import static android.view.WindowManagerPolicy.WindowManagerFuncs.LID_ABSENT;
 135 import static android.view.WindowManagerPolicy.WindowManagerFuncs.LID_OPEN;
 136 import static android.view.WindowManagerPolicy.WindowManagerFuncs.LID_CLOSED;
 137 import static android.view.WindowManagerPolicy.WindowManagerFuncs.CAMERA_LENS_COVER_ABSENT;
 138 import static android.view.WindowManagerPolicy.WindowManagerFuncs.CAMERA_LENS_UNCOVERED;
 139 import static android.view.WindowManagerPolicy.WindowManagerFuncs.CAMERA_LENS_COVERED;
 140
 141 /**
 142  * WindowManagerPolicy implementation for the Android phone UI.  This
 143  * introduces a new method suffix, Lp, for an internal lock of the
 144  * PhoneWindowManager.  This is used to protect some internal state, and
 145  * can be acquired with either the Lw and Li lock held, so has the restrictions
 146  * of both of those when held.
 147  */
 148 public class PhoneWindowManager implements WindowManagerPolicy {
 149     static final String TAG = "WindowManager";
 150     static final boolean DEBUG = false;
 151     static final boolean localLOGV = false;
 152     static final boolean DEBUG_INPUT = false;
 153     static final boolean DEBUG_KEYGUARD = false;
 154     static final boolean DEBUG_LAYOUT = false;
 155     static final boolean DEBUG_STARTING_WINDOW = false;
 156     static final boolean DEBUG_WAKEUP = false;
 157     static final boolean SHOW_STARTING_ANIMATIONS = true;
 158     static final boolean SHOW_PROCESSES_ON_ALT_MENU = false;
 159
 160     // Whether to allow dock apps with METADATA_DOCK_HOME to temporarily take over the Home key.
 161     // No longer recommended for desk docks; still useful in car docks.
 162     static final boolean ENABLE_CAR_DOCK_HOME_CAPTURE = true;
 163     static final boolean ENABLE_DESK_DOCK_HOME_CAPTURE = false;
 164
 165     static final int SHORT_PRESS_POWER_NOTHING = 0;
 166     static final int SHORT_PRESS_POWER_GO_TO_SLEEP = 1;
 167     static final int SHORT_PRESS_POWER_REALLY_GO_TO_SLEEP = 2;
 168     static final int SHORT_PRESS_POWER_REALLY_GO_TO_SLEEP_AND_GO_HOME = 3;
 169     static final int SHORT_PRESS_POWER_GO_HOME = 4;
 170
 171     static final int LONG_PRESS_POWER_NOTHING = 0;
 172     static final int LONG_PRESS_POWER_GLOBAL_ACTIONS = 1;
 173     static final int LONG_PRESS_POWER_SHUT_OFF = 2;
 174     static final int LONG_PRESS_POWER_SHUT_OFF_NO_CONFIRM = 3;
 175
 176     static final int MULTI_PRESS_POWER_NOTHING = 0;
 177     static final int MULTI_PRESS_POWER_THEATER_MODE = 1;
 178     static final int MULTI_PRESS_POWER_BRIGHTNESS_BOOST = 2;
 179
 180     // These need to match the documentation/constant in
 181     // core/res/res/values/config.xml
 182     static final int LONG_PRESS_HOME_NOTHING = 0;
 183     static final int LONG_PRESS_HOME_RECENT_SYSTEM_UI = 1;
 184     static final int LONG_PRESS_HOME_ASSIST = 2;
 185
 186     static final int DOUBLE_TAP_HOME_NOTHING = 0;
 187     static final int DOUBLE_TAP_HOME_RECENT_SYSTEM_UI = 1;
 188
 189     static final int SHORT_PRESS_SLEEP_GO_TO_SLEEP = 0;
 190     static final int SHORT_PRESS_SLEEP_GO_TO_SLEEP_AND_GO_HOME = 1;
 191
 192     static final int APPLICATION_MEDIA_SUBLAYER = -2;
 193     static final int APPLICATION_MEDIA_OVERLAY_SUBLAYER = -1;
 194     static final int APPLICATION_PANEL_SUBLAYER = 1;
 195     static final int APPLICATION_SUB_PANEL_SUBLAYER = 2;
 196     static final int APPLICATION_ABOVE_SUB_PANEL_SUBLAYER = 3;
 197
 198     static public final String SYSTEM_DIALOG_REASON_KEY = "reason";
 199     static public final String SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS = "globalactions";
 200     static public final String SYSTEM_DIALOG_REASON_RECENT_APPS = "recentapps";
 201     static public final String SYSTEM_DIALOG_REASON_HOME_KEY = "homekey";
 202     static public final String SYSTEM_DIALOG_REASON_ASSIST = "assist";
 203
 204     /**
 205      * These are the system UI flags that, when changing, can cause the layout
 206      * of the screen to change.
 207      */
 208     static final int SYSTEM_UI_CHANGING_LAYOUT =
 209               View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
 210             | View.SYSTEM_UI_FLAG_FULLSCREEN
 211             | View.STATUS_BAR_TRANSLUCENT
 212             | View.NAVIGATION_BAR_TRANSLUCENT
 213             | View.SYSTEM_UI_TRANSPARENT;
 214
 215     private static final AudioAttributes VIBRATION_ATTRIBUTES = new AudioAttributes.Builder()
 216             .setContentType(AudioAttributes.CONTENT_TYPE_SONIFICATION)
 217             .setUsage(AudioAttributes.USAGE_ASSISTANCE_SONIFICATION)
 218             .build();
 219
 220     // The panic gesture may become active only after the keyguard is dismissed and the immersive
 221     // app shows again. If that doesn't happen for 30s we drop the gesture.
 222     private static final long PANIC_GESTURE_EXPIRATION = 30000;
 223
 224     /**
 225      * Keyguard stuff
 226      */
 227     private WindowState mKeyguardScrim;
 228     private boolean mKeyguardHidden;
 229     private boolean mKeyguardDrawnOnce;
 230
 231     /* Table of Application Launch keys.  Maps from key codes to intent categories.
 232      *
 233      * These are special keys that are used to launch particular kinds of applications,
 234      * such as a web browser.  HID defines nearly a hundred of them in the Consumer (0x0C)
 235      * usage page.  We don't support quite that many yet...
 236      */
 237     static SparseArray<String> sApplicationLaunchKeyCategories;
 238     static {
 239         sApplicationLaunchKeyCategories = new SparseArray<String>();
 240         sApplicationLaunchKeyCategories.append(
 241                 KeyEvent.KEYCODE_EXPLORER, Intent.CATEGORY_APP_BROWSER);
 242         sApplicationLaunchKeyCategories.append(
 243                 KeyEvent.KEYCODE_ENVELOPE, Intent.CATEGORY_APP_EMAIL);
 244         sApplicationLaunchKeyCategories.append(
 245                 KeyEvent.KEYCODE_CONTACTS, Intent.CATEGORY_APP_CONTACTS);
 246         sApplicationLaunchKeyCategories.append(
 247                 KeyEvent.KEYCODE_CALENDAR, Intent.CATEGORY_APP_CALENDAR);
 248         sApplicationLaunchKeyCategories.append(
 249                 KeyEvent.KEYCODE_MUSIC, Intent.CATEGORY_APP_MUSIC);
 250         sApplicationLaunchKeyCategories.append(
 251                 KeyEvent.KEYCODE_CALCULATOR, Intent.CATEGORY_APP_CALCULATOR);
 252     }
 253
 254     /** Amount of time (in milliseconds) to wait for windows drawn before powering on. */
 255     static final int WAITING_FOR_DRAWN_TIMEOUT = 1000;
 256
 257     /**
 258      * Lock protecting internal state.  Must not call out into window
 259      * manager with lock held.  (This lock will be acquired in places
 260      * where the window manager is calling in with its own lock held.)
 261      */
 262     private final Object mLock = new Object();
 263
 264     Context mContext;
 265     IWindowManager mWindowManager;
 266     WindowManagerFuncs mWindowManagerFuncs;
 267     WindowManagerInternal mWindowManagerInternal;
 268     PowerManager mPowerManager;
 269     ActivityManagerInternal mActivityManagerInternal;
 270     DreamManagerInternal mDreamManagerInternal;
 271     PowerManagerInternal mPowerManagerInternal;
 272     IStatusBarService mStatusBarService;
 273     boolean mPreloadedRecentApps;
 274     final Object mServiceAquireLock = new Object();
 275     Vibrator mVibrator; // Vibrator for giving feedback of orientation changes
 276     SearchManager mSearchManager;
 277     AccessibilityManager mAccessibilityManager;
 278     BurnInProtectionHelper mBurnInProtectionHelper;
 279     AppOpsManager mAppOpsManager;
 280
 281     // Vibrator pattern for haptic feedback of a long press.
 282     long[] mLongPressVibePattern;
 283
 284     // Vibrator pattern for haptic feedback of virtual key press.
 285     long[] mVirtualKeyVibePattern;
 286
 287     // Vibrator pattern for a short vibration.
 288     long[] mKeyboardTapVibePattern;
 289
 290     // Vibrator pattern for a short vibration when tapping on an hour/minute tick of a Clock.
 291     long[] mClockTickVibePattern;
 292
 293     // Vibrator pattern for a short vibration when tapping on a day/month/year date of a Calendar.
 294     long[] mCalendarDateVibePattern;
 295
 296     // Vibrator pattern for haptic feedback during boot when safe mode is disabled.
 297     long[] mSafeModeDisabledVibePattern;
 298
 299     // Vibrator pattern for haptic feedback during boot when safe mode is enabled.
 300     long[] mSafeModeEnabledVibePattern;
 301
 302     // Vibrator pattern for haptic feedback of a context click.
 303     long[] mContextClickVibePattern;
 304
 305     /** If true, hitting shift & menu will broadcast Intent.ACTION_BUG_REPORT */
 306     boolean mEnableShiftMenuBugReports = false;
 307
 308     boolean mSafeMode;
 309     WindowState mStatusBar = null;
 310     int mStatusBarHeight;
 311     WindowState mNavigationBar = null;
 312     boolean mHasNavigationBar = false;
 313     boolean mCanHideNavigationBar = false;
 314     boolean mNavigationBarCanMove = false; // can the navigation bar ever move to the side?
 315     boolean mNavigationBarOnBottom = true; // is the navigation bar on the bottom *right now*?
 316     int[] mNavigationBarHeightForRotation = new int[4];
 317     int[] mNavigationBarWidthForRotation = new int[4];
 318
 319     boolean mBootMessageNeedsHiding;
 320     KeyguardServiceDelegate mKeyguardDelegate;
 321     final Runnable mWindowManagerDrawCallback = new Runnable() {
 322         @Override
 323         public void run() {
 324             if (DEBUG_WAKEUP) Slog.i(TAG, "All windows ready for display!");
 325             mHandler.sendEmptyMessage(MSG_WINDOW_MANAGER_DRAWN_COMPLETE);
 326         }
 327     };
 328     final DrawnListener mKeyguardDrawnCallback = new DrawnListener() {
 329         @Override
 330         public void onDrawn() {
 331             if (DEBUG_WAKEUP) Slog.d(TAG, "mKeyguardDelegate.ShowListener.onDrawn.");
 332             mHandler.sendEmptyMessage(MSG_KEYGUARD_DRAWN_COMPLETE);
 333         }
 334     };
 335
 336     GlobalActions mGlobalActions;
 337     Handler mHandler;
 338     WindowState mLastInputMethodWindow = null;
 339     WindowState mLastInputMethodTargetWindow = null;
 340
 341     // FIXME This state is shared between the input reader and handler thread.
 342     // Technically it's broken and buggy but it has been like this for many years
 343     // and we have not yet seen any problems.  Someday we'll rewrite this logic
 344     // so that only one thread is involved in handling input policy.  Unfortunately
 345     // it's on a critical path for power management so we can't just post the work to the
 346     // handler thread.  We'll need to resolve this someday by teaching the input dispatcher
 347     // to hold wakelocks during dispatch and eliminating the critical path.
 348     volatile boolean mPowerKeyHandled;
 349     volatile boolean mBeganFromNonInteractive;
 350     volatile int mPowerKeyPressCounter;
 351     volatile boolean mEndCallKeyHandled;
 352
 353     boolean mRecentsVisible;
 354     int mRecentAppsHeldModifiers;
 355     boolean mLanguageSwitchKeyPressed;
 356
 357     int mLidState = LID_ABSENT;
 358     int mCameraLensCoverState = CAMERA_LENS_COVER_ABSENT;
 359     boolean mHaveBuiltInKeyboard;
 360
 361     boolean mSystemReady;
 362     boolean mSystemBooted;
 363     private boolean mDeferBindKeyguard;
 364     boolean mHdmiPlugged;
 365     HdmiControl mHdmiControl;
 366     IUiModeManager mUiModeManager;
 367     int mUiMode;
 368     int mDockMode = Intent.EXTRA_DOCK_STATE_UNDOCKED;
 369     int mLidOpenRotation;
 370     int mCarDockRotation;
 371     int mDeskDockRotation;
 372     int mUndockedHdmiRotation;
 373     int mDemoHdmiRotation;
 374     boolean mDemoHdmiRotationLock;
 375     int mDemoRotation;
 376     boolean mDemoRotationLock;
 377
 378     boolean mWakeGestureEnabledSetting;
 379     MyWakeGestureListener mWakeGestureListener;
 380
 381     // Default display does not rotate, apps that require non-default orientation will have to
 382     // have the orientation emulated.
 383     private boolean mForceDefaultOrientation = false;
 384
 385     int mUserRotationMode = WindowManagerPolicy.USER_ROTATION_FREE;
 386     int mUserRotation = Surface.ROTATION_0;
 387     boolean mAccelerometerDefault;
 388
 389     boolean mSupportAutoRotation;
 390     int mAllowAllRotations = -1;
 391     boolean mCarDockEnablesAccelerometer;
 392     boolean mDeskDockEnablesAccelerometer;
 393     int mLidKeyboardAccessibility;
 394     int mLidNavigationAccessibility;
 395     boolean mLidControlsSleep;
 396     int mShortPressOnPowerBehavior;
 397     int mLongPressOnPowerBehavior;
 398     int mDoublePressOnPowerBehavior;
 399     int mTriplePressOnPowerBehavior;
 400     int mShortPressOnSleepBehavior;
 401     boolean mAwake;
 402     boolean mScreenOnEarly;
 403     boolean mScreenOnFully;
 404     ScreenOnListener mScreenOnListener;
 405     boolean mKeyguardDrawComplete;
 406     boolean mWindowManagerDrawComplete;
 407     boolean mOrientationSensorEnabled = false;
 408     int mCurrentAppOrientation = ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
 409     boolean mHasSoftInput = false;
 410     boolean mTranslucentDecorEnabled = true;
 411     boolean mUseTvRouting;
 412
 413     int mPointerLocationMode = 0; // guarded by mLock
 414
 415     // The last window we were told about in focusChanged.
 416     WindowState mFocusedWindow;
 417     IApplicationToken mFocusedApp;
 418
 419     PointerLocationView mPointerLocationView;
 420
 421     // The current size of the screen; really; extends into the overscan area of
 422     // the screen and doesn't account for any system elements like the status bar.
 423     int mOverscanScreenLeft, mOverscanScreenTop;
 424     int mOverscanScreenWidth, mOverscanScreenHeight;
 425     // The current visible size of the screen; really; (ir)regardless of whether the status
 426     // bar can be hidden but not extending into the overscan area.
 427     int mUnrestrictedScreenLeft, mUnrestrictedScreenTop;
 428     int mUnrestrictedScreenWidth, mUnrestrictedScreenHeight;
 429     // Like mOverscanScreen*, but allowed to move into the overscan region where appropriate.
 430     int mRestrictedOverscanScreenLeft, mRestrictedOverscanScreenTop;
 431     int mRestrictedOverscanScreenWidth, mRestrictedOverscanScreenHeight;
 432     // The current size of the screen; these may be different than (0,0)-(dw,dh)
 433     // if the status bar can't be hidden; in that case it effectively carves out
 434     // that area of the display from all other windows.
 435     int mRestrictedScreenLeft, mRestrictedScreenTop;
 436     int mRestrictedScreenWidth, mRestrictedScreenHeight;
 437     // During layout, the current screen borders accounting for any currently
 438     // visible system UI elements.
 439     int mSystemLeft, mSystemTop, mSystemRight, mSystemBottom;
 440     // For applications requesting stable content insets, these are them.
 441     int mStableLeft, mStableTop, mStableRight, mStableBottom;
 442     // For applications requesting stable content insets but have also set the
 443     // fullscreen window flag, these are the stable dimensions without the status bar.
 444     int mStableFullscreenLeft, mStableFullscreenTop;
 445     int mStableFullscreenRight, mStableFullscreenBottom;
 446     // During layout, the current screen borders with all outer decoration
 447     // (status bar, input method dock) accounted for.
 448     int mCurLeft, mCurTop, mCurRight, mCurBottom;
 449     // During layout, the frame in which content should be displayed
 450     // to the user, accounting for all screen decoration except for any
 451     // space they deem as available for other content.  This is usually
 452     // the same as mCur*, but may be larger if the screen decor has supplied
 453     // content insets.
 454     int mContentLeft, mContentTop, mContentRight, mContentBottom;
 455     // During layout, the frame in which voice content should be displayed
 456     // to the user, accounting for all screen decoration except for any
 457     // space they deem as available for other content.
 458     int mVoiceContentLeft, mVoiceContentTop, mVoiceContentRight, mVoiceContentBottom;
 459     // During layout, the current screen borders along which input method
 460     // windows are placed.
 461     int mDockLeft, mDockTop, mDockRight, mDockBottom;
 462     // During layout, the layer at which the doc window is placed.
 463     int mDockLayer;
 464     // During layout, this is the layer of the status bar.
 465     int mStatusBarLayer;
 466     int mLastSystemUiFlags;
 467     // Bits that we are in the process of clearing, so we want to prevent
 468     // them from being set by applications until everything has been updated
 469     // to have them clear.
 470     int mResettingSystemUiFlags = 0;
 471     // Bits that we are currently always keeping cleared.
 472     int mForceClearedSystemUiFlags = 0;
 473     // What we last reported to system UI about whether the compatibility
 474     // menu needs to be displayed.
 475     boolean mLastFocusNeedsMenu = false;
 476     // If nonzero, a panic gesture was performed at that time in uptime millis and is still pending.
 477     private long mPendingPanicGestureUptime;
 478
 479     InputConsumer mInputConsumer = null;
 480
 481     static final Rect mTmpParentFrame = new Rect();
 482     static final Rect mTmpDisplayFrame = new Rect();
 483     static final Rect mTmpOverscanFrame = new Rect();
 484     static final Rect mTmpContentFrame = new Rect();
 485     static final Rect mTmpVisibleFrame = new Rect();
 486     static final Rect mTmpDecorFrame = new Rect();
 487     static final Rect mTmpStableFrame = new Rect();
 488     static final Rect mTmpNavigationFrame = new Rect();
 489     static final Rect mTmpOutsetFrame = new Rect();
 490
 491     WindowState mTopFullscreenOpaqueWindowState;
 492     WindowState mTopFullscreenOpaqueOrDimmingWindowState;
 493     HashSet<IApplicationToken> mAppsToBeHidden = new HashSet<IApplicationToken>();
 494     HashSet<IApplicationToken> mAppsThatDismissKeyguard = new HashSet<IApplicationToken>();
 495     boolean mTopIsFullscreen;
 496     boolean mForceStatusBar;
 497     boolean mForceStatusBarFromKeyguard;
 498     private boolean mForceStatusBarTransparent;
 499     boolean mHideLockScreen;
 500     boolean mForcingShowNavBar;
 501     int mForcingShowNavBarLayer;
 502
 503     // States of keyguard dismiss.
 504     private static final int DISMISS_KEYGUARD_NONE = 0; // Keyguard not being dismissed.
 505     private static final int DISMISS_KEYGUARD_START = 1; // Keyguard needs to be dismissed.
 506     private static final int DISMISS_KEYGUARD_CONTINUE = 2; // Keyguard has been dismissed.
 507     int mDismissKeyguard = DISMISS_KEYGUARD_NONE;
 508
 509     /** The window that is currently dismissing the keyguard. Dismissing the keyguard must only
 510      * be done once per window. */
 511     private WindowState mWinDismissingKeyguard;
 512
 513     /** When window is currently dismissing the keyguard, dismissing the keyguard must handle
 514      * the keygaurd secure state change instantly case, e.g. the use case of inserting a PIN
 515      * lock SIM card. This variable is used to record the previous keyguard secure state for
 516      * monitoring secure state change on window dismissing keyguard. */
 517     private boolean mSecureDismissingKeyguard;
 518
 519     /** The window that is currently showing "over" the keyguard. If there is an app window
 520      * belonging to another app on top of this the keyguard shows. If there is a fullscreen
 521      * app window under this, still dismiss the keyguard but don't show the app underneath. Show
 522      * the wallpaper. */
 523     private WindowState mWinShowWhenLocked;
 524
 525     boolean mShowingLockscreen;
 526     boolean mShowingDream;
 527     boolean mDreamingLockscreen;
 528     boolean mDreamingSleepTokenNeeded;
 529     SleepToken mDreamingSleepToken;
 530     SleepToken mScreenOffSleepToken;
 531     boolean mKeyguardSecure;
 532     boolean mKeyguardSecureIncludingHidden;
 533     volatile boolean mKeyguardOccluded;
 534     boolean mHomePressed;
 535     boolean mHomeConsumed;
 536     boolean mHomeDoubleTapPending;
 537     Intent mHomeIntent;
 538     Intent mCarDockIntent;
 539     Intent mDeskDockIntent;
 540     boolean mSearchKeyShortcutPending;
 541     boolean mConsumeSearchKeyUp;
 542     boolean mAssistKeyLongPressed;
 543     boolean mPendingMetaAction;
 544
 545     // support for activating the lock screen while the screen is on
 546     boolean mAllowLockscreenWhenOn;
 547     int mLockScreenTimeout;
 548     boolean mLockScreenTimerActive;
 549
 550     // Behavior of ENDCALL Button.  (See Settings.System.END_BUTTON_BEHAVIOR.)
 551     int mEndcallBehavior;
 552
 553     // Behavior of POWER button while in-call and screen on.
 554     // (See Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR.)
 555     int mIncallPowerBehavior;
 556
 557     Display mDisplay;
 558
 559     private int mDisplayRotation;
 560
 561     int mLandscapeRotation = 0;  // default landscape rotation
 562     int mSeascapeRotation = 0;   // "other" landscape rotation, 180 degrees from mLandscapeRotation
 563     int mPortraitRotation = 0;   // default portrait rotation
 564     int mUpsideDownRotation = 0; // "other" portrait rotation
 565
 566     int mOverscanLeft = 0;
 567     int mOverscanTop = 0;
 568     int mOverscanRight = 0;
 569     int mOverscanBottom = 0;
 570
 571     // What we do when the user long presses on home
 572     private int mLongPressOnHomeBehavior;
 573
 574     // What we do when the user double-taps on home
 575     private int mDoubleTapOnHomeBehavior;
 576
 577     // Allowed theater mode wake actions
 578     private boolean mAllowTheaterModeWakeFromKey;
 579     private boolean mAllowTheaterModeWakeFromPowerKey;
 580     private boolean mAllowTheaterModeWakeFromMotion;
 581     private boolean mAllowTheaterModeWakeFromMotionWhenNotDreaming;
 582     private boolean mAllowTheaterModeWakeFromCameraLens;
 583     private boolean mAllowTheaterModeWakeFromLidSwitch;
 584     private boolean mAllowTheaterModeWakeFromWakeGesture;
 585
 586     // Whether to support long press from power button in non-interactive mode
 587     private boolean mSupportLongPressPowerWhenNonInteractive;
 588
 589     // Whether to go to sleep entering theater mode from power button
 590     private boolean mGoToSleepOnButtonPressTheaterMode;
 591
 592     // Screenshot trigger states
 593     // Time to volume and power must be pressed within this interval of each other.
 594     private static final long SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS = 150;
 595     // Increase the chord delay when taking a screenshot from the keyguard
 596     private static final float KEYGUARD_SCREENSHOT_CHORD_DELAY_MULTIPLIER = 2.5f;
 597     private boolean mScreenshotChordEnabled;
 598     private boolean mScreenshotChordVolumeDownKeyTriggered;
 599     private long mScreenshotChordVolumeDownKeyTime;
 600     private boolean mScreenshotChordVolumeDownKeyConsumed;
 601     private boolean mScreenshotChordVolumeUpKeyTriggered;
 602     private boolean mScreenshotChordPowerKeyTriggered;
 603     private long mScreenshotChordPowerKeyTime;
 604
 605     /* The number of steps between min and max brightness */
 606     private static final int BRIGHTNESS_STEPS = 10;
 607
 608     SettingsObserver mSettingsObserver;
 609     ShortcutManager mShortcutManager;
 610     PowerManager.WakeLock mBroadcastWakeLock;
 611     PowerManager.WakeLock mPowerKeyWakeLock;
 612     boolean mHavePendingMediaKeyRepeatWithWakeLock;
 613
 614     private int mCurrentUserId;
 615
 616     // Maps global key codes to the components that will handle them.
 617     private GlobalKeyManager mGlobalKeyManager;
 618
 619     // Fallback actions by key code.
 620     private final SparseArray<KeyCharacterMap.FallbackAction> mFallbackActions =
 621             new SparseArray<KeyCharacterMap.FallbackAction>();
 622
 623     private final LogDecelerateInterpolator mLogDecelerateInterpolator
 624             = new LogDecelerateInterpolator(100, 0);
 625
 626     private static final int MSG_ENABLE_POINTER_LOCATION = 1;
 627     private static final int MSG_DISABLE_POINTER_LOCATION = 2;
 628     private static final int MSG_DISPATCH_MEDIA_KEY_WITH_WAKE_LOCK = 3;
 629     private static final int MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK = 4;
 630     private static final int MSG_KEYGUARD_DRAWN_COMPLETE = 5;
 631     private static final int MSG_KEYGUARD_DRAWN_TIMEOUT = 6;
 632     private static final int MSG_WINDOW_MANAGER_DRAWN_COMPLETE = 7;
 633     private static final int MSG_DISPATCH_SHOW_RECENTS = 9;
 634     private static final int MSG_DISPATCH_SHOW_GLOBAL_ACTIONS = 10;
 635     private static final int MSG_HIDE_BOOT_MESSAGE = 11;
 636     private static final int MSG_LAUNCH_VOICE_ASSIST_WITH_WAKE_LOCK = 12;
 637     private static final int MSG_POWER_DELAYED_PRESS = 13;
 638     private static final int MSG_POWER_LONG_PRESS = 14;
 639     private static final int MSG_UPDATE_DREAMING_SLEEP_TOKEN = 15;
 640
 641     private class PolicyHandler extends Handler {
 642         @Override
 643         public void handleMessage(Message msg) {
 644             switch (msg.what) {
 645                 case MSG_ENABLE_POINTER_LOCATION:
 646                     enablePointerLocation();
 647                     break;
 648                 case MSG_DISABLE_POINTER_LOCATION:
 649                     disablePointerLocation();
 650                     break;
 651                 case MSG_DISPATCH_MEDIA_KEY_WITH_WAKE_LOCK:
 652                     dispatchMediaKeyWithWakeLock((KeyEvent)msg.obj);
 653                     break;
 654                 case MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK:
 655                     dispatchMediaKeyRepeatWithWakeLock((KeyEvent)msg.obj);
 656                     break;
 657                 case MSG_DISPATCH_SHOW_RECENTS:
 658                     showRecentApps(false);
 659                     break;
 660                 case MSG_DISPATCH_SHOW_GLOBAL_ACTIONS:
 661                     showGlobalActionsInternal();
 662                     break;
 663                 case MSG_KEYGUARD_DRAWN_COMPLETE:
 664                     if (DEBUG_WAKEUP) Slog.w(TAG, "Setting mKeyguardDrawComplete");
 665                     finishKeyguardDrawn();
 666                     break;
 667                 case MSG_KEYGUARD_DRAWN_TIMEOUT:
 668                     Slog.w(TAG, "Keyguard drawn timeout. Setting mKeyguardDrawComplete");
 669                     finishKeyguardDrawn();
 670                     break;
 671                 case MSG_WINDOW_MANAGER_DRAWN_COMPLETE:
 672                     if (DEBUG_WAKEUP) Slog.w(TAG, "Setting mWindowManagerDrawComplete");
 673                     finishWindowsDrawn();
 674                     break;
 675                 case MSG_HIDE_BOOT_MESSAGE:
 676                     handleHideBootMessage();
 677                     break;
 678                 case MSG_LAUNCH_VOICE_ASSIST_WITH_WAKE_LOCK:
 679                     launchVoiceAssistWithWakeLock(msg.arg1 != 0);
 680                     break;
 681                 case MSG_POWER_DELAYED_PRESS:
 682                     powerPress((Long)msg.obj, msg.arg1 != 0, msg.arg2);
 683                     finishPowerKeyPress();
 684                     break;
 685                 case MSG_POWER_LONG_PRESS:
 686                     powerLongPress();
 687                     break;
 688                 case MSG_UPDATE_DREAMING_SLEEP_TOKEN:
 689                     updateDreamingSleepToken(msg.arg1 != 0);
 690                     break;
 691             }
 692         }
 693     }
 694
 695     private UEventObserver mHDMIObserver = new UEventObserver() {
 696         @Override
 697         public void onUEvent(UEventObserver.UEvent event) {
 698             setHdmiPlugged("1".equals(event.get("SWITCH_STATE")));
 699         }
 700     };
 701
 702     class SettingsObserver extends ContentObserver {
 703         SettingsObserver(Handler handler) {
 704             super(handler);
 705         }
 706
 707         void observe() {
 708             // Observe all users' changes
 709             ContentResolver resolver = mContext.getContentResolver();
 710             resolver.registerContentObserver(Settings.System.getUriFor(
 711                     Settings.System.END_BUTTON_BEHAVIOR), false, this,
 712                     UserHandle.USER_ALL);
 713             resolver.registerContentObserver(Settings.Secure.getUriFor(
 714                     Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR), false, this,
 715                     UserHandle.USER_ALL);
 716             resolver.registerContentObserver(Settings.Secure.getUriFor(
 717                     Settings.Secure.WAKE_GESTURE_ENABLED), false, this,
 718                     UserHandle.USER_ALL);
 719             resolver.registerContentObserver(Settings.System.getUriFor(
 720                     Settings.System.ACCELEROMETER_ROTATION), false, this,
 721                     UserHandle.USER_ALL);
 722             resolver.registerContentObserver(Settings.System.getUriFor(
 723                     Settings.System.USER_ROTATION), false, this,
 724                     UserHandle.USER_ALL);
 725             resolver.registerContentObserver(Settings.System.getUriFor(
 726                     Settings.System.SCREEN_OFF_TIMEOUT), false, this,
 727                     UserHandle.USER_ALL);
 728             resolver.registerContentObserver(Settings.System.getUriFor(
 729                     Settings.System.POINTER_LOCATION), false, this,
 730                     UserHandle.USER_ALL);
 731             resolver.registerContentObserver(Settings.Secure.getUriFor(
 732                     Settings.Secure.DEFAULT_INPUT_METHOD), false, this,
 733                     UserHandle.USER_ALL);
 734             resolver.registerContentObserver(Settings.Secure.getUriFor(
 735                     Settings.Secure.IMMERSIVE_MODE_CONFIRMATIONS), false, this,
 736                     UserHandle.USER_ALL);
 737             resolver.registerContentObserver(Settings.Global.getUriFor(
 738                     Settings.Global.POLICY_CONTROL), false, this,
 739                     UserHandle.USER_ALL);
 740             updateSettings();
 741         }
 742
 743         @Override public void onChange(boolean selfChange) {
 744             updateSettings();
 745             updateRotation(false);
 746         }
 747     }
 748
 749     class MyWakeGestureListener extends WakeGestureListener {
 750         MyWakeGestureListener(Context context, Handler handler) {
 751             super(context, handler);
 752         }
 753
 754         @Override
 755         public void onWakeUp() {
 756             synchronized (mLock) {
 757                 if (shouldEnableWakeGestureLp()) {
 758                     performHapticFeedbackLw(null, HapticFeedbackConstants.VIRTUAL_KEY, false);
 759                     wakeUp(SystemClock.uptimeMillis(), mAllowTheaterModeWakeFromWakeGesture,
 760                             "android.policy:GESTURE");
 761                 }
 762             }
 763         }
 764     }
 765
 766     class MyOrientationListener extends WindowOrientationListener {
 767         private final Runnable mUpdateRotationRunnable = new Runnable() {
 768             @Override
 769             public void run() {
 770                 // send interaction hint to improve redraw performance
 771                 mPowerManagerInternal.powerHint(PowerManagerInternal.POWER_HINT_INTERACTION, 0);
 772                 updateRotation(false);
 773             }
 774         };
 775
 776         MyOrientationListener(Context context, Handler handler) {
 777             super(context, handler);
 778         }
 779
 780         @Override
 781         public void onProposedRotationChanged(int rotation) {
 782             if (localLOGV) Slog.v(TAG, "onProposedRotationChanged, rotation=" + rotation);
 783             mHandler.post(mUpdateRotationRunnable);
 784         }
 785     }
 786     MyOrientationListener mOrientationListener;
 787
 788     private final StatusBarController mStatusBarController = new StatusBarController();
 789
 790     private final BarController mNavigationBarController = new BarController("NavigationBar",
 791             View.NAVIGATION_BAR_TRANSIENT,
 792             View.NAVIGATION_BAR_UNHIDE,
 793             View.NAVIGATION_BAR_TRANSLUCENT,
 794             StatusBarManager.WINDOW_NAVIGATION_BAR,
 795             WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
 796
 797     private ImmersiveModeConfirmation mImmersiveModeConfirmation;
 798
 799     private SystemGesturesPointerEventListener mSystemGestures;
 800
 801     IStatusBarService getStatusBarService() {
 802         synchronized (mServiceAquireLock) {
 803             if (mStatusBarService == null) {
 804                 mStatusBarService = IStatusBarService.Stub.asInterface(
 805                         ServiceManager.getService("statusbar"));
 806             }
 807             return mStatusBarService;
 808         }
 809     }
 810
 811     /*
 812      * We always let the sensor be switched on by default except when
 813      * the user has explicitly disabled sensor based rotation or when the
 814      * screen is switched off.
 815      */
 816     boolean needSensorRunningLp() {
 817         if (mSupportAutoRotation) {
 818             if (mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR
 819                     || mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR
 820                     || mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT
 821                     || mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE) {
 822                 // If the application has explicitly requested to follow the
 823                 // orientation, then we need to turn the sensor on.
 824                 return true;
 825             }
 826         }
 827         if ((mCarDockEnablesAccelerometer && mDockMode == Intent.EXTRA_DOCK_STATE_CAR) ||
 828                 (mDeskDockEnablesAccelerometer && (mDockMode == Intent.EXTRA_DOCK_STATE_DESK
 829                         || mDockMode == Intent.EXTRA_DOCK_STATE_LE_DESK
 830                         || mDockMode == Intent.EXTRA_DOCK_STATE_HE_DESK))) {
 831             // enable accelerometer if we are docked in a dock that enables accelerometer
 832             // orientation management,
 833             return true;
 834         }
 835         if (mUserRotationMode == USER_ROTATION_LOCKED) {
 836             // If the setting for using the sensor by default is enabled, then
 837             // we will always leave it on.  Note that the user could go to
 838             // a window that forces an orientation that does not use the
 839             // sensor and in theory we could turn it off... however, when next
 840             // turning it on we won't have a good value for the current
 841             // orientation for a little bit, which can cause orientation
 842             // changes to lag, so we'd like to keep it always on.  (It will
 843             // still be turned off when the screen is off.)
 844             return false;
 845         }
 846         return mSupportAutoRotation;
 847     }
 848
 849     /*
 850      * Various use cases for invoking this function
 851      * screen turning off, should always disable listeners if already enabled
 852      * screen turned on and current app has sensor based orientation, enable listeners
 853      * if not already enabled
 854      * screen turned on and current app does not have sensor orientation, disable listeners if
 855      * already enabled
 856      * screen turning on and current app has sensor based orientation, enable listeners if needed
 857      * screen turning on and current app has nosensor based orientation, do nothing
 858      */
 859     void updateOrientationListenerLp() {
 860         if (!mOrientationListener.canDetectOrientation()) {
 861             // If sensor is turned off or nonexistent for some reason
 862             return;
 863         }
 864         // Could have been invoked due to screen turning on or off or
 865         // change of the currently visible window's orientation.
 866         if (localLOGV) Slog.v(TAG, "mScreenOnEarly=" + mScreenOnEarly
 867                 + ", mAwake=" + mAwake + ", mCurrentAppOrientation=" + mCurrentAppOrientation
 868                 + ", mOrientationSensorEnabled=" + mOrientationSensorEnabled
 869                 + ", mKeyguardDrawComplete=" + mKeyguardDrawComplete
 870                 + ", mWindowManagerDrawComplete=" + mWindowManagerDrawComplete);
 871         boolean disable = true;
 872         // Note: We postpone the rotating of the screen until the keyguard as well as the
 873         // window manager have reported a draw complete.
 874         if (mScreenOnEarly && mAwake &&
 875                 mKeyguardDrawComplete && mWindowManagerDrawComplete) {
 876             if (needSensorRunningLp()) {
 877                 disable = false;
 878                 //enable listener if not already enabled
 879                 if (!mOrientationSensorEnabled) {
 880                     mOrientationListener.enable();
 881                     if(localLOGV) Slog.v(TAG, "Enabling listeners");
 882                     mOrientationSensorEnabled = true;
 883                 }
 884             }
 885         }
 886         //check if sensors need to be disabled
 887         if (disable && mOrientationSensorEnabled) {
 888             mOrientationListener.disable();
 889             if(localLOGV) Slog.v(TAG, "Disabling listeners");
 890             mOrientationSensorEnabled = false;
 891         }
 892     }
 893
 894     private void interceptPowerKeyDown(KeyEvent event, boolean interactive) {
 895         // Hold a wake lock until the power key is released.
 896         if (!mPowerKeyWakeLock.isHeld()) {
 897             mPowerKeyWakeLock.acquire();
 898         }
 899
 900         // Cancel multi-press detection timeout.
 901         if (mPowerKeyPressCounter != 0) {
 902             mHandler.removeMessages(MSG_POWER_DELAYED_PRESS);
 903         }
 904
 905         // Detect user pressing the power button in panic when an application has
 906         // taken over the whole screen.
 907         boolean panic = mImmersiveModeConfirmation.onPowerKeyDown(interactive,
 908                 SystemClock.elapsedRealtime(), isImmersiveMode(mLastSystemUiFlags));
 909         if (panic) {
 910             mHandler.post(mHiddenNavPanic);
 911         }
 912
 913         // Latch power key state to detect screenshot chord.
 914         if (interactive && !mScreenshotChordPowerKeyTriggered
 915                 && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
 916             mScreenshotChordPowerKeyTriggered = true;
 917             mScreenshotChordPowerKeyTime = event.getDownTime();
 918             interceptScreenshotChord();
 919         }
 920
 921         // Stop ringing or end call if configured to do so when power is pressed.
 922         TelecomManager telecomManager = getTelecommService();
 923         boolean hungUp = false;
 924         if (telecomManager != null) {
 925             if (telecomManager.isRinging()) {
 926                 // Pressing Power while there's a ringing incoming
 927                 // call should silence the ringer.
 928                 telecomManager.silenceRinger();
 929             } else if ((mIncallPowerBehavior
 930                     & Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR_HANGUP) != 0
 931                     && telecomManager.isInCall() && interactive) {
 932                 // Otherwise, if "Power button ends call" is enabled,
 933                 // the Power button will hang up any current active call.
 934                 hungUp = telecomManager.endCall();
 935             }
 936         }
 937
 938         GestureLauncherService gestureService = LocalServices.getService(
 939                 GestureLauncherService.class);
 940         boolean gesturedServiceIntercepted = false;
 941         if (gestureService != null) {
 942             gesturedServiceIntercepted = gestureService.interceptPowerKeyDown(event, interactive);
 943         }
 944
 945         // If the power key has still not yet been handled, then detect short
 946         // press, long press, or multi press and decide what to do.
 947         mPowerKeyHandled = hungUp || mScreenshotChordVolumeDownKeyTriggered
 948                 || mScreenshotChordVolumeUpKeyTriggered || gesturedServiceIntercepted;
 949         if (!mPowerKeyHandled) {
 950             if (interactive) {
 951                 // When interactive, we're already awake.
 952                 // Wait for a long press or for the button to be released to decide what to do.
 953                 if (hasLongPressOnPowerBehavior()) {
 954                     Message msg = mHandler.obtainMessage(MSG_POWER_LONG_PRESS);
 955                     msg.setAsynchronous(true);
 956                     mHandler.sendMessageDelayed(msg,
 957                             ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
 958                 }
 959             } else {
 960                 wakeUpFromPowerKey(event.getDownTime());
 961
 962                 if (mSupportLongPressPowerWhenNonInteractive && hasLongPressOnPowerBehavior()) {
 963                     Message msg = mHandler.obtainMessage(MSG_POWER_LONG_PRESS);
 964                     msg.setAsynchronous(true);
 965                     mHandler.sendMessageDelayed(msg,
 966                             ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
 967                     mBeganFromNonInteractive = true;
 968                 } else {
 969                     final int maxCount = getMaxMultiPressPowerCount();
 970
 971                     if (maxCount <= 1) {
 972                         mPowerKeyHandled = true;
 973                     } else {
 974                         mBeganFromNonInteractive = true;
 975                     }
 976                 }
 977             }
 978         }
 979     }
 980
 981     private void interceptPowerKeyUp(KeyEvent event, boolean interactive, boolean canceled) {
 982         final boolean handled = canceled || mPowerKeyHandled;
 983         mScreenshotChordPowerKeyTriggered = false;
 984         cancelPendingScreenshotChordAction();
 985         cancelPendingPowerKeyAction();
 986
 987         if (!handled) {
 988             // Figure out how to handle the key now that it has been released.
 989             mPowerKeyPressCounter += 1;
 990
 991             final int maxCount = getMaxMultiPressPowerCount();
 992             final long eventTime = event.getDownTime();
 993             if (mPowerKeyPressCounter < maxCount) {
 994                 // This could be a multi-press.  Wait a little bit longer to confirm.
 995                 // Continue holding the wake lock.
 996                 Message msg = mHandler.obtainMessage(MSG_POWER_DELAYED_PRESS,
 997                         interactive ? 1 : 0, mPowerKeyPressCounter, eventTime);
 998                 msg.setAsynchronous(true);
 999                 mHandler.sendMessageDelayed(msg, ViewConfiguration.getDoubleTapTimeout());
1000                 return;
1001             }
1002
1003             // No other actions.  Handle it immediately.
1004             powerPress(eventTime, interactive, mPowerKeyPressCounter);
1005         }
1006
1007         // Done.  Reset our state.
1008         finishPowerKeyPress();
1009     }
1010
1011     private void finishPowerKeyPress() {
1012         mBeganFromNonInteractive = false;
1013         mPowerKeyPressCounter = 0;
1014         if (mPowerKeyWakeLock.isHeld()) {
1015             mPowerKeyWakeLock.release();
1016         }
1017     }
1018
1019     private void cancelPendingPowerKeyAction() {
1020         if (!mPowerKeyHandled) {
1021             mPowerKeyHandled = true;
1022             mHandler.removeMessages(MSG_POWER_LONG_PRESS);
1023         }
1024     }
1025
1026     private void powerPress(long eventTime, boolean interactive, int count) {
1027         if (mScreenOnEarly && !mScreenOnFully) {
1028             Slog.i(TAG, "Suppressed redundant power key press while "
1029                     + "already in the process of turning the screen on.");
1030             return;
1031         }
1032
1033         if (count == 2) {
1034             powerMultiPressAction(eventTime, interactive, mDoublePressOnPowerBehavior);
1035         } else if (count == 3) {
1036             powerMultiPressAction(eventTime, interactive, mTriplePressOnPowerBehavior);
1037         } else if (interactive && !mBeganFromNonInteractive) {
1038             switch (mShortPressOnPowerBehavior) {
1039                 case SHORT_PRESS_POWER_NOTHING:
1040                     break;
1041                 case SHORT_PRESS_POWER_GO_TO_SLEEP:
1042                     mPowerManager.goToSleep(eventTime,
1043                             PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON, 0);
1044                     break;
1045                 case SHORT_PRESS_POWER_REALLY_GO_TO_SLEEP:
1046                     mPowerManager.goToSleep(eventTime,
1047                             PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON,
1048                             PowerManager.GO_TO_SLEEP_FLAG_NO_DOZE);
1049                     break;
1050                 case SHORT_PRESS_POWER_REALLY_GO_TO_SLEEP_AND_GO_HOME:
1051                     mPowerManager.goToSleep(eventTime,
1052                             PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON,
1053                             PowerManager.GO_TO_SLEEP_FLAG_NO_DOZE);
1054                     launchHomeFromHotKey();
1055                     break;
1056                 case SHORT_PRESS_POWER_GO_HOME:
1057                     launchHomeFromHotKey(true /* awakenFromDreams */, false /*respectKeyguard*/);
1058                     break;
1059             }
1060         }
1061     }
1062
1063     private void powerMultiPressAction(long eventTime, boolean interactive, int behavior) {
1064         switch (behavior) {
1065             case MULTI_PRESS_POWER_NOTHING:
1066                 break;
1067             case MULTI_PRESS_POWER_THEATER_MODE:
1068                 if (!isUserSetupComplete()) {
1069                     Slog.i(TAG, "Ignoring toggling theater mode - device not setup.");
1070                     break;
1071                 }
1072
1073                 if (isTheaterModeEnabled()) {
1074                     Slog.i(TAG, "Toggling theater mode off.");
1075                     Settings.Global.putInt(mContext.getContentResolver(),
1076                             Settings.Global.THEATER_MODE_ON, 0);
1077                     if (!interactive) {
1078                         wakeUpFromPowerKey(eventTime);
1079                     }
1080                 } else {
1081                     Slog.i(TAG, "Toggling theater mode on.");
1082                     Settings.Global.putInt(mContext.getContentResolver(),
1083                             Settings.Global.THEATER_MODE_ON, 1);
1084
1085                     if (mGoToSleepOnButtonPressTheaterMode && interactive) {
1086                         mPowerManager.goToSleep(eventTime,
1087                                 PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON, 0);
1088                     }
1089                 }
1090                 break;
1091             case MULTI_PRESS_POWER_BRIGHTNESS_BOOST:
1092                 Slog.i(TAG, "Starting brightness boost.");
1093                 if (!interactive) {
1094                     wakeUpFromPowerKey(eventTime);
1095                 }
1096                 mPowerManager.boostScreenBrightness(eventTime);
1097                 break;
1098         }
1099     }
1100
1101     private int getMaxMultiPressPowerCount() {
1102         if (mTriplePressOnPowerBehavior != MULTI_PRESS_POWER_NOTHING) {
1103             return 3;
1104         }
1105         if (mDoublePressOnPowerBehavior != MULTI_PRESS_POWER_NOTHING) {
1106             return 2;
1107         }
1108         return 1;
1109     }
1110
1111     private void powerLongPress() {
1112         final int behavior = getResolvedLongPressOnPowerBehavior();
1113         switch (behavior) {
1114         case LONG_PRESS_POWER_NOTHING:
1115             break;
1116         case LONG_PRESS_POWER_GLOBAL_ACTIONS:
1117             mPowerKeyHandled = true;
1118             if (!performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false)) {
1119                 performAuditoryFeedbackForAccessibilityIfNeed();
1120             }
1121             showGlobalActionsInternal();
1122             break;
1123         case LONG_PRESS_POWER_SHUT_OFF:
1124         case LONG_PRESS_POWER_SHUT_OFF_NO_CONFIRM:
1125             mPowerKeyHandled = true;
1126             performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
1127             sendCloseSystemWindows(SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS);
1128             mWindowManagerFuncs.shutdown(behavior == LONG_PRESS_POWER_SHUT_OFF);
1129             break;
1130         }
1131     }
1132
1133     private void sleepPress(long eventTime) {
1134         if (mShortPressOnSleepBehavior == SHORT_PRESS_SLEEP_GO_TO_SLEEP_AND_GO_HOME) {
1135             launchHomeFromHotKey(false /* awakenDreams */, true /*respectKeyguard*/);
1136         }
1137     }
1138
1139     private void sleepRelease(long eventTime) {
1140         switch (mShortPressOnSleepBehavior) {
1141             case SHORT_PRESS_SLEEP_GO_TO_SLEEP:
1142             case SHORT_PRESS_SLEEP_GO_TO_SLEEP_AND_GO_HOME:
1143                 Slog.i(TAG, "sleepRelease() calling goToSleep(GO_TO_SLEEP_REASON_SLEEP_BUTTON)");
1144                 mPowerManager.goToSleep(eventTime,
1145                        PowerManager.GO_TO_SLEEP_REASON_SLEEP_BUTTON, 0);
1146                 break;
1147         }
1148     }
1149
1150     private int getResolvedLongPressOnPowerBehavior() {
1151         if (FactoryTest.isLongPressOnPowerOffEnabled()) {
1152             return LONG_PRESS_POWER_SHUT_OFF_NO_CONFIRM;
1153         }
1154         return mLongPressOnPowerBehavior;
1155     }
1156
1157     private boolean hasLongPressOnPowerBehavior() {
1158         return getResolvedLongPressOnPowerBehavior() != LONG_PRESS_POWER_NOTHING;
1159     }
1160
1161     private void interceptScreenshotChord() {
1162         if (mScreenshotChordEnabled
1163                 && mScreenshotChordVolumeDownKeyTriggered && mScreenshotChordPowerKeyTriggered
1164                 && !mScreenshotChordVolumeUpKeyTriggered) {
1165             final long now = SystemClock.uptimeMillis();
1166             if (now <= mScreenshotChordVolumeDownKeyTime + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS
1167                     && now <= mScreenshotChordPowerKeyTime
1168                             + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS) {
1169                 mScreenshotChordVolumeDownKeyConsumed = true;
1170                 cancelPendingPowerKeyAction();
1171
1172                 mHandler.postDelayed(mScreenshotRunnable, getScreenshotChordLongPressDelay());
1173             }
1174         }
1175     }
1176
1177     private long getScreenshotChordLongPressDelay() {
1178         if (mKeyguardDelegate.isShowing()) {
1179             // Double the time it takes to take a screenshot from the keyguard
1180             return (long) (KEYGUARD_SCREENSHOT_CHORD_DELAY_MULTIPLIER *
1181                     ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
1182         }
1183         return ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout();
1184     }
1185
1186     private void cancelPendingScreenshotChordAction() {
1187         mHandler.removeCallbacks(mScreenshotRunnable);
1188     }
1189
1190     private final Runnable mEndCallLongPress = new Runnable() {
1191         @Override
1192         public void run() {
1193             mEndCallKeyHandled = true;
1194             if (!performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false)) {
1195                 performAuditoryFeedbackForAccessibilityIfNeed();
1196             }
1197             showGlobalActionsInternal();
1198         }
1199     };
1200
1201     private final Runnable mScreenshotRunnable = new Runnable() {
1202         @Override
1203         public void run() {
1204             takeScreenshot();
1205         }
1206     };
1207
1208     @Override
1209     public void showGlobalActions() {
1210         mHandler.removeMessages(MSG_DISPATCH_SHOW_GLOBAL_ACTIONS);
1211         mHandler.sendEmptyMessage(MSG_DISPATCH_SHOW_GLOBAL_ACTIONS);
1212     }
1213
1214     void showGlobalActionsInternal() {
1215         sendCloseSystemWindows(SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS);
1216         if (mGlobalActions == null) {
1217             mGlobalActions = new GlobalActions(mContext, mWindowManagerFuncs);
1218         }
1219         final boolean keyguardShowing = isKeyguardShowingAndNotOccluded();
1220         mGlobalActions.showDialog(keyguardShowing, isDeviceProvisioned());
1221         if (keyguardShowing) {
1222             // since it took two seconds of long press to bring this up,
1223             // poke the wake lock so they have some time to see the dialog.
1224             mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
1225         }
1226     }
1227
1228     boolean isDeviceProvisioned() {
1229         return Settings.Global.getInt(
1230                 mContext.getContentResolver(), Settings.Global.DEVICE_PROVISIONED, 0) != 0;
1231     }
1232
1233     boolean isUserSetupComplete() {
1234         return Settings.Secure.getIntForUser(mContext.getContentResolver(),
1235                 Settings.Secure.USER_SETUP_COMPLETE, 0, UserHandle.USER_CURRENT) != 0;
1236     }
1237
1238     private void handleShortPressOnHome() {
1239         // Turn on the connected TV and switch HDMI input if we're a HDMI playback device.
1240         getHdmiControl().turnOnTv();
1241
1242         // If there's a dream running then use home to escape the dream
1243         // but don't actually go home.
1244         if (mDreamManagerInternal != null && mDreamManagerInternal.isDreaming()) {
1245             mDreamManagerInternal.stopDream(false /*immediate*/);
1246             return;
1247         }
1248
1249         // Go home!
1250         launchHomeFromHotKey();
1251     }
1252
1253     /**
1254      * Creates an accessor to HDMI control service that performs the operation of
1255      * turning on TV (optional) and switching input to us. If HDMI control service
1256      * is not available or we're not a HDMI playback device, the operation is no-op.
1257      */
1258     private HdmiControl getHdmiControl() {
1259         if (null == mHdmiControl) {
1260             HdmiControlManager manager = (HdmiControlManager) mContext.getSystemService(
1261                         Context.HDMI_CONTROL_SERVICE);
1262             HdmiPlaybackClient client = null;
1263             if (manager != null) {
1264                 client = manager.getPlaybackClient();
1265             }
1266             mHdmiControl = new HdmiControl(client);
1267         }
1268         return mHdmiControl;
1269     }
1270
1271     private static class HdmiControl {
1272         private final HdmiPlaybackClient mClient;
1273
1274         private HdmiControl(HdmiPlaybackClient client) {
1275             mClient = client;
1276         }
1277
1278         public void turnOnTv() {
1279             if (mClient == null) {
1280                 return;
1281             }
1282             mClient.oneTouchPlay(new OneTouchPlayCallback() {
1283                 @Override
1284                 public void onComplete(int result) {
1285                     if (result != HdmiControlManager.RESULT_SUCCESS) {
1286                         Log.w(TAG, "One touch play failed: " + result);
1287                     }
1288                 }
1289             });
1290         }
1291     }
1292
1293     private void handleLongPressOnHome(int deviceId) {
1294         if (mLongPressOnHomeBehavior != LONG_PRESS_HOME_NOTHING) {
1295             mHomeConsumed = true;
1296             performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
1297
1298             if (mLongPressOnHomeBehavior == LONG_PRESS_HOME_RECENT_SYSTEM_UI) {
1299                 toggleRecentApps();
1300             } else if (mLongPressOnHomeBehavior == LONG_PRESS_HOME_ASSIST) {
1301                 launchAssistAction(null, deviceId);
1302             }
1303         }
1304     }
1305
1306     private void handleDoubleTapOnHome() {
1307         if (mDoubleTapOnHomeBehavior == DOUBLE_TAP_HOME_RECENT_SYSTEM_UI) {
1308             mHomeConsumed = true;
1309             toggleRecentApps();
1310         }
1311     }
1312
1313     private final Runnable mHomeDoubleTapTimeoutRunnable = new Runnable() {
1314         @Override
1315         public void run() {
1316             if (mHomeDoubleTapPending) {
1317                 mHomeDoubleTapPending = false;
1318                 handleShortPressOnHome();
1319             }
1320         }
1321     };
1322
1323     private boolean isRoundWindow() {
1324         return mContext.getResources().getConfiguration().isScreenRound();
1325     }
1326
1327     /** {@inheritDoc} */
1328     @Override
1329     public void init(Context context, IWindowManager windowManager,
1330             WindowManagerFuncs windowManagerFuncs) {
1331         mContext = context;
1332         mWindowManager = windowManager;
1333         mWindowManagerFuncs = windowManagerFuncs;
1334         mWindowManagerInternal = LocalServices.getService(WindowManagerInternal.class);
1335         mActivityManagerInternal = LocalServices.getService(ActivityManagerInternal.class);
1336         mDreamManagerInternal = LocalServices.getService(DreamManagerInternal.class);
1337         mPowerManagerInternal = LocalServices.getService(PowerManagerInternal.class);
1338         mAppOpsManager = (AppOpsManager) mContext.getSystemService(Context.APP_OPS_SERVICE);
1339
1340         // Init display burn-in protection
1341         boolean burnInProtectionEnabled = context.getResources().getBoolean(
1342                 com.android.internal.R.bool.config_enableBurnInProtection);
1343         // Allow a system property to override this. Used by developer settings.
1344         boolean burnInProtectionDevMode =
1345                 SystemProperties.getBoolean("persist.debug.force_burn_in", false);
1346         if (burnInProtectionEnabled || burnInProtectionDevMode) {
1347             final int minHorizontal;
1348             final int maxHorizontal;
1349             final int minVertical;
1350             final int maxVertical;
1351             final int maxRadius;
1352             if (burnInProtectionDevMode) {
1353                 minHorizontal = -8;
1354                 maxHorizontal = 8;
1355                 minVertical = -8;
1356                 maxVertical = -4;
1357                 maxRadius = (isRoundWindow()) ? 6 : -1;
1358             } else {
1359                 Resources resources = context.getResources();
1360                 minHorizontal = resources.getInteger(
1361                         com.android.internal.R.integer.config_burnInProtectionMinHorizontalOffset);
1362                 maxHorizontal = resources.getInteger(
1363                         com.android.internal.R.integer.config_burnInProtectionMaxHorizontalOffset);
1364                 minVertical = resources.getInteger(
1365                         com.android.internal.R.integer.config_burnInProtectionMinVerticalOffset);
1366                 maxVertical = resources.getInteger(
1367                         com.android.internal.R.integer.config_burnInProtectionMaxVerticalOffset);
1368                 maxRadius = resources.getInteger(
1369                         com.android.internal.R.integer.config_burnInProtectionMaxRadius);
1370             }
1371             mBurnInProtectionHelper = new BurnInProtectionHelper(
1372                     context, minHorizontal, maxHorizontal, minVertical, maxVertical, maxRadius);
1373         }
1374
1375         mHandler = new PolicyHandler();
1376         mWakeGestureListener = new MyWakeGestureListener(mContext, mHandler);
1377         mOrientationListener = new MyOrientationListener(mContext, mHandler);
1378         try {
1379             mOrientationListener.setCurrentRotation(windowManager.getRotation());
1380         } catch (RemoteException ex) { }
1381         mSettingsObserver = new SettingsObserver(mHandler);
1382         mSettingsObserver.observe();
1383         mShortcutManager = new ShortcutManager(context);
1384         mUiMode = context.getResources().getInteger(
1385                 com.android.internal.R.integer.config_defaultUiModeType);
1386         mHomeIntent =  new Intent(Intent.ACTION_MAIN, null);
1387         mHomeIntent.addCategory(Intent.CATEGORY_HOME);
1388         mHomeIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
1389                 | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
1390         mCarDockIntent =  new Intent(Intent.ACTION_MAIN, null);
1391         mCarDockIntent.addCategory(Intent.CATEGORY_CAR_DOCK);
1392         mCarDockIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
1393                 | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
1394         mDeskDockIntent =  new Intent(Intent.ACTION_MAIN, null);
1395         mDeskDockIntent.addCategory(Intent.CATEGORY_DESK_DOCK);
1396         mDeskDockIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
1397                 | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
1398
1399         mPowerManager = (PowerManager)context.getSystemService(Context.POWER_SERVICE);
1400         mBroadcastWakeLock = mPowerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK,
1401                 "PhoneWindowManager.mBroadcastWakeLock");
1402         mPowerKeyWakeLock = mPowerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK,
1403                 "PhoneWindowManager.mPowerKeyWakeLock");
1404         mEnableShiftMenuBugReports = "1".equals(SystemProperties.get("ro.debuggable"));
1405         mSupportAutoRotation = mContext.getResources().getBoolean(
1406                 com.android.internal.R.bool.config_supportAutoRotation);
1407         mLidOpenRotation = readRotation(
1408                 com.android.internal.R.integer.config_lidOpenRotation);
1409         mCarDockRotation = readRotation(
1410                 com.android.internal.R.integer.config_carDockRotation);
1411         mDeskDockRotation = readRotation(
1412                 com.android.internal.R.integer.config_deskDockRotation);
1413         mUndockedHdmiRotation = readRotation(
1414                 com.android.internal.R.integer.config_undockedHdmiRotation);
1415         mCarDockEnablesAccelerometer = mContext.getResources().getBoolean(
1416                 com.android.internal.R.bool.config_carDockEnablesAccelerometer);
1417         mDeskDockEnablesAccelerometer = mContext.getResources().getBoolean(
1418                 com.android.internal.R.bool.config_deskDockEnablesAccelerometer);
1419         mLidKeyboardAccessibility = mContext.getResources().getInteger(
1420                 com.android.internal.R.integer.config_lidKeyboardAccessibility);
1421         mLidNavigationAccessibility = mContext.getResources().getInteger(
1422                 com.android.internal.R.integer.config_lidNavigationAccessibility);
1423         mLidControlsSleep = mContext.getResources().getBoolean(
1424                 com.android.internal.R.bool.config_lidControlsSleep);
1425         mTranslucentDecorEnabled = mContext.getResources().getBoolean(
1426                 com.android.internal.R.bool.config_enableTranslucentDecor);
1427
1428         mAllowTheaterModeWakeFromKey = mContext.getResources().getBoolean(
1429                 com.android.internal.R.bool.config_allowTheaterModeWakeFromKey);
1430         mAllowTheaterModeWakeFromPowerKey = mAllowTheaterModeWakeFromKey
1431                 || mContext.getResources().getBoolean(
1432                     com.android.internal.R.bool.config_allowTheaterModeWakeFromPowerKey);
1433         mAllowTheaterModeWakeFromMotion = mContext.getResources().getBoolean(
1434                 com.android.internal.R.bool.config_allowTheaterModeWakeFromMotion);
1435         mAllowTheaterModeWakeFromMotionWhenNotDreaming = mContext.getResources().getBoolean(
1436                 com.android.internal.R.bool.config_allowTheaterModeWakeFromMotionWhenNotDreaming);
1437         mAllowTheaterModeWakeFromCameraLens = mContext.getResources().getBoolean(
1438                 com.android.internal.R.bool.config_allowTheaterModeWakeFromCameraLens);
1439         mAllowTheaterModeWakeFromLidSwitch = mContext.getResources().getBoolean(
1440                 com.android.internal.R.bool.config_allowTheaterModeWakeFromLidSwitch);
1441         mAllowTheaterModeWakeFromWakeGesture = mContext.getResources().getBoolean(
1442                 com.android.internal.R.bool.config_allowTheaterModeWakeFromGesture);
1443
1444         mGoToSleepOnButtonPressTheaterMode = mContext.getResources().getBoolean(
1445                 com.android.internal.R.bool.config_goToSleepOnButtonPressTheaterMode);
1446
1447         mSupportLongPressPowerWhenNonInteractive = mContext.getResources().getBoolean(
1448                 com.android.internal.R.bool.config_supportLongPressPowerWhenNonInteractive);
1449
1450         mShortPressOnPowerBehavior = mContext.getResources().getInteger(
1451                 com.android.internal.R.integer.config_shortPressOnPowerBehavior);
1452         mLongPressOnPowerBehavior = mContext.getResources().getInteger(
1453                 com.android.internal.R.integer.config_longPressOnPowerBehavior);
1454         mDoublePressOnPowerBehavior = mContext.getResources().getInteger(
1455                 com.android.internal.R.integer.config_doublePressOnPowerBehavior);
1456         mTriplePressOnPowerBehavior = mContext.getResources().getInteger(
1457                 com.android.internal.R.integer.config_triplePressOnPowerBehavior);
1458         mShortPressOnSleepBehavior = mContext.getResources().getInteger(
1459                 com.android.internal.R.integer.config_shortPressOnSleepBehavior);
1460
1461         mUseTvRouting = AudioSystem.getPlatformType(mContext) == AudioSystem.PLATFORM_TELEVISION;
1462
1463         readConfigurationDependentBehaviors();
1464
1465         mAccessibilityManager = (AccessibilityManager) context.getSystemService(
1466                 Context.ACCESSIBILITY_SERVICE);
1467
1468         // register for dock events
1469         IntentFilter filter = new IntentFilter();
1470         filter.addAction(UiModeManager.ACTION_ENTER_CAR_MODE);
1471         filter.addAction(UiModeManager.ACTION_EXIT_CAR_MODE);
1472         filter.addAction(UiModeManager.ACTION_ENTER_DESK_MODE);
1473         filter.addAction(UiModeManager.ACTION_EXIT_DESK_MODE);
1474         filter.addAction(Intent.ACTION_DOCK_EVENT);
1475         Intent intent = context.registerReceiver(mDockReceiver, filter);
1476         if (intent != null) {
1477             // Retrieve current sticky dock event broadcast.
1478             mDockMode = intent.getIntExtra(Intent.EXTRA_DOCK_STATE,
1479                     Intent.EXTRA_DOCK_STATE_UNDOCKED);
1480         }
1481
1482         // register for dream-related broadcasts
1483         filter = new IntentFilter();
1484         filter.addAction(Intent.ACTION_DREAMING_STARTED);
1485         filter.addAction(Intent.ACTION_DREAMING_STOPPED);
1486         context.registerReceiver(mDreamReceiver, filter);
1487
1488         // register for multiuser-relevant broadcasts
1489         filter = new IntentFilter(Intent.ACTION_USER_SWITCHED);
1490         context.registerReceiver(mMultiuserReceiver, filter);
1491
1492         // monitor for system gestures
1493         mSystemGestures = new SystemGesturesPointerEventListener(context,
1494                 new SystemGesturesPointerEventListener.Callbacks() {
1495                     @Override
1496                     public void onSwipeFromTop() {
1497                         if (mStatusBar != null) {
1498                             requestTransientBars(mStatusBar);
1499                         }
1500                     }
1501                     @Override
1502                     public void onSwipeFromBottom() {
1503                         if (mNavigationBar != null && mNavigationBarOnBottom) {
1504                             requestTransientBars(mNavigationBar);
1505                         }
1506                     }
1507                     @Override
1508                     public void onSwipeFromRight() {
1509                         if (mNavigationBar != null && !mNavigationBarOnBottom) {
1510                             requestTransientBars(mNavigationBar);
1511                         }
1512                     }
1513                     @Override
1514                     public void onFling(int duration) {
1515                         if (mPowerManagerInternal != null) {
1516                             mPowerManagerInternal.powerHint(
1517                                     PowerManagerInternal.POWER_HINT_INTERACTION, duration);
1518                         }
1519                     }
1520                     @Override
1521                     public void onDebug() {
1522                         // no-op
1523                     }
1524                     @Override
1525                     public void onDown() {
1526                         mOrientationListener.onTouchStart();
1527                     }
1528                     @Override
1529                     public void onUpOrCancel() {
1530                         mOrientationListener.onTouchEnd();
1531                     }
1532                 });
1533         mImmersiveModeConfirmation = new ImmersiveModeConfirmation(mContext);
1534         mWindowManagerFuncs.registerPointerEventListener(mSystemGestures);
1535
1536         mVibrator = (Vibrator)context.getSystemService(Context.VIBRATOR_SERVICE);
1537         mLongPressVibePattern = getLongIntArray(mContext.getResources(),
1538                 com.android.internal.R.array.config_longPressVibePattern);
1539         mVirtualKeyVibePattern = getLongIntArray(mContext.getResources(),
1540                 com.android.internal.R.array.config_virtualKeyVibePattern);
1541         mKeyboardTapVibePattern = getLongIntArray(mContext.getResources(),
1542                 com.android.internal.R.array.config_keyboardTapVibePattern);
1543         mClockTickVibePattern = getLongIntArray(mContext.getResources(),
1544                 com.android.internal.R.array.config_clockTickVibePattern);
1545         mCalendarDateVibePattern = getLongIntArray(mContext.getResources(),
1546                 com.android.internal.R.array.config_calendarDateVibePattern);
1547         mSafeModeDisabledVibePattern = getLongIntArray(mContext.getResources(),
1548                 com.android.internal.R.array.config_safeModeDisabledVibePattern);
1549         mSafeModeEnabledVibePattern = getLongIntArray(mContext.getResources(),
1550                 com.android.internal.R.array.config_safeModeEnabledVibePattern);
1551         mContextClickVibePattern = getLongIntArray(mContext.getResources(),
1552                 com.android.internal.R.array.config_contextClickVibePattern);
1553
1554         mScreenshotChordEnabled = mContext.getResources().getBoolean(
1555                 com.android.internal.R.bool.config_enableScreenshotChord);
1556
1557         mGlobalKeyManager = new GlobalKeyManager(mContext);
1558
1559         // Controls rotation and the like.
1560         initializeHdmiState();
1561
1562         // Match current screen state.
1563         if (!mPowerManager.isInteractive()) {
1564             startedGoingToSleep(WindowManagerPolicy.OFF_BECAUSE_OF_USER);
1565             finishedGoingToSleep(WindowManagerPolicy.OFF_BECAUSE_OF_USER);
1566         }
1567
1568         mWindowManagerInternal.registerAppTransitionListener(
1569                 mStatusBarController.getAppTransitionListener());
1570     }
1571
1572     /**
1573      * Read values from config.xml that may be overridden depending on
1574      * the configuration of the device.
1575      * eg. Disable long press on home goes to recents on sw600dp.
1576      */
1577     private void readConfigurationDependentBehaviors() {
1578         mLongPressOnHomeBehavior = mContext.getResources().getInteger(
1579                 com.android.internal.R.integer.config_longPressOnHomeBehavior);
1580         if (mLongPressOnHomeBehavior < LONG_PRESS_HOME_NOTHING ||
1581                 mLongPressOnHomeBehavior > LONG_PRESS_HOME_ASSIST) {
1582             mLongPressOnHomeBehavior = LONG_PRESS_HOME_NOTHING;
1583         }
1584
1585         mDoubleTapOnHomeBehavior = mContext.getResources().getInteger(
1586                 com.android.internal.R.integer.config_doubleTapOnHomeBehavior);
1587         if (mDoubleTapOnHomeBehavior < DOUBLE_TAP_HOME_NOTHING ||
1588                 mDoubleTapOnHomeBehavior > DOUBLE_TAP_HOME_RECENT_SYSTEM_UI) {
1589             mDoubleTapOnHomeBehavior = LONG_PRESS_HOME_NOTHING;
1590         }
1591     }
1592
1593     @Override
1594     public void setInitialDisplaySize(Display display, int width, int height, int density) {
1595         // This method might be called before the policy has been fully initialized
1596         // or for other displays we don't care about.
1597         if (mContext == null || display.getDisplayId() != Display.DEFAULT_DISPLAY) {
1598             return;
1599         }
1600         mDisplay = display;
1601
1602         final Resources res = mContext.getResources();
1603         int shortSize, longSize;
1604         if (width > height) {
1605             shortSize = height;
1606             longSize = width;
1607             mLandscapeRotation = Surface.ROTATION_0;
1608             mSeascapeRotation = Surface.ROTATION_180;
1609             if (res.getBoolean(com.android.internal.R.bool.config_reverseDefaultRotation)) {
1610                 mPortraitRotation = Surface.ROTATION_90;
1611                 mUpsideDownRotation = Surface.ROTATION_270;
1612             } else {
1613                 mPortraitRotation = Surface.ROTATION_270;
1614                 mUpsideDownRotation = Surface.ROTATION_90;
1615             }
1616         } else {
1617             shortSize = width;
1618             longSize = height;
1619             mPortraitRotation = Surface.ROTATION_0;
1620             mUpsideDownRotation = Surface.ROTATION_180;
1621             if (res.getBoolean(com.android.internal.R.bool.config_reverseDefaultRotation)) {
1622                 mLandscapeRotation = Surface.ROTATION_270;
1623                 mSeascapeRotation = Surface.ROTATION_90;
1624             } else {
1625                 mLandscapeRotation = Surface.ROTATION_90;
1626                 mSeascapeRotation = Surface.ROTATION_270;
1627             }
1628         }
1629
1630         mStatusBarHeight =
1631                 res.getDimensionPixelSize(com.android.internal.R.dimen.status_bar_height);
1632
1633         // Height of the navigation bar when presented horizontally at bottom
1634         mNavigationBarHeightForRotation[mPortraitRotation] =
1635         mNavigationBarHeightForRotation[mUpsideDownRotation] =
1636                 res.getDimensionPixelSize(com.android.internal.R.dimen.navigation_bar_height);
1637         mNavigationBarHeightForRotation[mLandscapeRotation] =
1638         mNavigationBarHeightForRotation[mSeascapeRotation] = res.getDimensionPixelSize(
1639                 com.android.internal.R.dimen.navigation_bar_height_landscape);
1640
1641         // Width of the navigation bar when presented vertically along one side
1642         mNavigationBarWidthForRotation[mPortraitRotation] =
1643         mNavigationBarWidthForRotation[mUpsideDownRotation] =
1644         mNavigationBarWidthForRotation[mLandscapeRotation] =
1645         mNavigationBarWidthForRotation[mSeascapeRotation] =
1646                 res.getDimensionPixelSize(com.android.internal.R.dimen.navigation_bar_width);
1647
1648         // SystemUI (status bar) layout policy
1649         int shortSizeDp = shortSize * DisplayMetrics.DENSITY_DEFAULT / density;
1650         int longSizeDp = longSize * DisplayMetrics.DENSITY_DEFAULT / density;
1651
1652         // Allow the navigation bar to move on non-square small devices (phones).
1653         mNavigationBarCanMove = width != height && shortSizeDp < 600;
1654
1655         mHasNavigationBar = res.getBoolean(com.android.internal.R.bool.config_showNavigationBar);
1656         // Allow a system property to override this. Used by the emulator.
1657         // See also hasNavigationBar().
1658         String navBarOverride = SystemProperties.get("qemu.hw.mainkeys");
1659         if ("1".equals(navBarOverride)) {
1660             mHasNavigationBar = false;
1661         } else if ("0".equals(navBarOverride)) {
1662             mHasNavigationBar = true;
1663         }
1664
1665         // For demo purposes, allow the rotation of the HDMI display to be controlled.
1666         // By default, HDMI locks rotation to landscape.
1667         if ("portrait".equals(SystemProperties.get("persist.demo.hdmirotation"))) {
1668             mDemoHdmiRotation = mPortraitRotation;
1669         } else {
1670             mDemoHdmiRotation = mLandscapeRotation;
1671         }
1672         mDemoHdmiRotationLock = SystemProperties.getBoolean("persist.demo.hdmirotationlock", false);
1673
1674         // For demo purposes, allow the rotation of the remote display to be controlled.
1675         // By default, remote display locks rotation to landscape.
1676         if ("portrait".equals(SystemProperties.get("persist.demo.remoterotation"))) {
1677             mDemoRotation = mPortraitRotation;
1678         } else {
1679             mDemoRotation = mLandscapeRotation;
1680         }
1681         mDemoRotationLock = SystemProperties.getBoolean(
1682                 "persist.demo.rotationlock", false);
1683
1684         // Only force the default orientation if the screen is xlarge, at least 960dp x 720dp, per
1685         // http://developer.android.com/guide/practices/screens_support.html#range
1686         mForceDefaultOrientation = longSizeDp >= 960 && shortSizeDp >= 720 &&
1687                 res.getBoolean(com.android.internal.R.bool.config_forceDefaultOrientation) &&
1688                 // For debug purposes the next line turns this feature off with:
1689                 // $ adb shell setprop config.override_forced_orient true
1690                 // $ adb shell wm size reset
1691                 !"true".equals(SystemProperties.get("config.override_forced_orient"));
1692     }
1693
1694     /**
1695      * @return whether the navigation bar can be hidden, e.g. the device has a
1696      *         navigation bar and touch exploration is not enabled
1697      */
1698     private boolean canHideNavigationBar() {
1699         return mHasNavigationBar
1700                 && !mAccessibilityManager.isTouchExplorationEnabled();
1701     }
1702
1703     @Override
1704     public boolean isDefaultOrientationForced() {
1705         return mForceDefaultOrientation;
1706     }
1707
1708     @Override
1709     public void setDisplayOverscan(Display display, int left, int top, int right, int bottom) {
1710         if (display.getDisplayId() == Display.DEFAULT_DISPLAY) {
1711             mOverscanLeft = left;
1712             mOverscanTop = top;
1713             mOverscanRight = right;
1714             mOverscanBottom = bottom;
1715         }
1716     }
1717
1718     public void updateSettings() {
1719         ContentResolver resolver = mContext.getContentResolver();
1720         boolean updateRotation = false;
1721         synchronized (mLock) {
1722             mEndcallBehavior = Settings.System.getIntForUser(resolver,
1723                     Settings.System.END_BUTTON_BEHAVIOR,
1724                     Settings.System.END_BUTTON_BEHAVIOR_DEFAULT,
1725                     UserHandle.USER_CURRENT);
1726             mIncallPowerBehavior = Settings.Secure.getIntForUser(resolver,
1727                     Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR,
1728                     Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR_DEFAULT,
1729                     UserHandle.USER_CURRENT);
1730
1731             // Configure wake gesture.
1732             boolean wakeGestureEnabledSetting = Settings.Secure.getIntForUser(resolver,
1733                     Settings.Secure.WAKE_GESTURE_ENABLED, 0,
1734                     UserHandle.USER_CURRENT) != 0;
1735             if (mWakeGestureEnabledSetting != wakeGestureEnabledSetting) {
1736                 mWakeGestureEnabledSetting = wakeGestureEnabledSetting;
1737                 updateWakeGestureListenerLp();
1738             }
1739
1740             // Configure rotation lock.
1741             int userRotation = Settings.System.getIntForUser(resolver,
1742                     Settings.System.USER_ROTATION, Surface.ROTATION_0,
1743                     UserHandle.USER_CURRENT);
1744             if (mUserRotation != userRotation) {
1745                 mUserRotation = userRotation;
1746                 updateRotation = true;
1747             }
1748             int userRotationMode = Settings.System.getIntForUser(resolver,
1749                     Settings.System.ACCELEROMETER_ROTATION, 0, UserHandle.USER_CURRENT) != 0 ?
1750                             WindowManagerPolicy.USER_ROTATION_FREE :
1751                                     WindowManagerPolicy.USER_ROTATION_LOCKED;
1752             if (mUserRotationMode != userRotationMode) {
1753                 mUserRotationMode = userRotationMode;
1754                 updateRotation = true;
1755                 updateOrientationListenerLp();
1756             }
1757
1758             if (mSystemReady) {
1759                 int pointerLocation = Settings.System.getIntForUser(resolver,
1760                         Settings.System.POINTER_LOCATION, 0, UserHandle.USER_CURRENT);
1761                 if (mPointerLocationMode != pointerLocation) {
1762                     mPointerLocationMode = pointerLocation;
1763                     mHandler.sendEmptyMessage(pointerLocation != 0 ?
1764                             MSG_ENABLE_POINTER_LOCATION : MSG_DISABLE_POINTER_LOCATION);
1765                 }
1766             }
1767             // use screen off timeout setting as the timeout for the lockscreen
1768             mLockScreenTimeout = Settings.System.getIntForUser(resolver,
1769                     Settings.System.SCREEN_OFF_TIMEOUT, 0, UserHandle.USER_CURRENT);
1770             String imId = Settings.Secure.getStringForUser(resolver,
1771                     Settings.Secure.DEFAULT_INPUT_METHOD, UserHandle.USER_CURRENT);
1772             boolean hasSoftInput = imId != null && imId.length() > 0;
1773             if (mHasSoftInput != hasSoftInput) {
1774                 mHasSoftInput = hasSoftInput;
1775                 updateRotation = true;
1776             }
1777             if (mImmersiveModeConfirmation != null) {
1778                 mImmersiveModeConfirmation.loadSetting(mCurrentUserId);
1779             }
1780         }
1781         synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
1782             PolicyControl.reloadFromSetting(mContext);
1783         }
1784         if (updateRotation) {
1785             updateRotation(true);
1786         }
1787     }
1788
1789     private void updateWakeGestureListenerLp() {
1790         if (shouldEnableWakeGestureLp()) {
1791             mWakeGestureListener.requestWakeUpTrigger();
1792         } else {
1793             mWakeGestureListener.cancelWakeUpTrigger();
1794         }
1795     }
1796
1797     private boolean shouldEnableWakeGestureLp() {
1798         return mWakeGestureEnabledSetting && !mAwake
1799                 && (!mLidControlsSleep || mLidState != LID_CLOSED)
1800                 && mWakeGestureListener.isSupported();
1801     }
1802
1803     private void enablePointerLocation() {
1804         if (mPointerLocationView == null) {
1805             mPointerLocationView = new PointerLocationView(mContext);
1806             mPointerLocationView.setPrintCoords(false);
1807             WindowManager.LayoutParams lp = new WindowManager.LayoutParams(
1808                     WindowManager.LayoutParams.MATCH_PARENT,
1809                     WindowManager.LayoutParams.MATCH_PARENT);
1810             lp.type = WindowManager.LayoutParams.TYPE_SECURE_SYSTEM_OVERLAY;
1811             lp.flags = WindowManager.LayoutParams.FLAG_FULLSCREEN
1812                     | WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE
1813                     | WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
1814                     | WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN;
1815             if (ActivityManager.isHighEndGfx()) {
1816                 lp.flags |= WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED;
1817                 lp.privateFlags |=
1818                         WindowManager.LayoutParams.PRIVATE_FLAG_FORCE_HARDWARE_ACCELERATED;
1819             }
1820             lp.format = PixelFormat.TRANSLUCENT;
1821             lp.setTitle("PointerLocation");
1822             WindowManager wm = (WindowManager)
1823                     mContext.getSystemService(Context.WINDOW_SERVICE);
1824             lp.inputFeatures |= WindowManager.LayoutParams.INPUT_FEATURE_NO_INPUT_CHANNEL;
1825             wm.addView(mPointerLocationView, lp);
1826             mWindowManagerFuncs.registerPointerEventListener(mPointerLocationView);
1827         }
1828     }
1829
1830     private void disablePointerLocation() {
1831         if (mPointerLocationView != null) {
1832             mWindowManagerFuncs.unregisterPointerEventListener(mPointerLocationView);
1833             WindowManager wm = (WindowManager) mContext.getSystemService(Context.WINDOW_SERVICE);
1834             wm.removeView(mPointerLocationView);
1835             mPointerLocationView = null;
1836         }
1837     }
1838
1839     private int readRotation(int resID) {
1840         try {
1841             int rotation = mContext.getResources().getInteger(resID);
1842             switch (rotation) {
1843                 case 0:
1844                     return Surface.ROTATION_0;
1845                 case 90:
1846                     return Surface.ROTATION_90;
1847                 case 180:
1848                     return Surface.ROTATION_180;
1849                 case 270:
1850                     return Surface.ROTATION_270;
1851             }
1852         } catch (Resources.NotFoundException e) {
1853             // fall through
1854         }
1855         return -1;
1856     }
1857
1858     /** {@inheritDoc} */
1859     @Override
1860     public int checkAddPermission(WindowManager.LayoutParams attrs, int[] outAppOp) {
1861         int type = attrs.type;
1862
1863         outAppOp[0] = AppOpsManager.OP_NONE;
1864
1865         if (!((type >= FIRST_APPLICATION_WINDOW && type <= LAST_APPLICATION_WINDOW)
1866                 || (type >= FIRST_SUB_WINDOW && type <= LAST_SUB_WINDOW)
1867                 || (type >= FIRST_SYSTEM_WINDOW && type <= LAST_SYSTEM_WINDOW))) {
1868             return WindowManagerGlobal.ADD_INVALID_TYPE;
1869         }
1870
1871         if (type < FIRST_SYSTEM_WINDOW || type > LAST_SYSTEM_WINDOW) {
1872             // Window manager will make sure these are okay.
1873             return WindowManagerGlobal.ADD_OKAY;
1874         }
1875         String permission = null;
1876         switch (type) {
1877             case TYPE_TOAST:
1878                 // XXX right now the app process has complete control over
1879                 // this...  should introduce a token to let the system
1880                 // monitor/control what they are doing.
1881                 outAppOp[0] = AppOpsManager.OP_TOAST_WINDOW;
1882                 break;
1883             case TYPE_DREAM:
1884             case TYPE_INPUT_METHOD:
1885             case TYPE_WALLPAPER:
1886             case TYPE_PRIVATE_PRESENTATION:
1887             case TYPE_VOICE_INTERACTION:
1888             case TYPE_ACCESSIBILITY_OVERLAY:
1889                 // The window manager will check these.
1890                 break;
1891             case TYPE_PHONE:
1892             case TYPE_PRIORITY_PHONE:
1893             case TYPE_SYSTEM_ALERT:
1894             case TYPE_SYSTEM_ERROR:
1895             case TYPE_SYSTEM_OVERLAY:
1896                 permission = android.Manifest.permission.SYSTEM_ALERT_WINDOW;
1897                 outAppOp[0] = AppOpsManager.OP_SYSTEM_ALERT_WINDOW;
1898                 break;
1899             default:
1900                 permission = android.Manifest.permission.INTERNAL_SYSTEM_WINDOW;
1901         }
1902         if (permission != null) {
1903             if (permission == android.Manifest.permission.SYSTEM_ALERT_WINDOW) {
1904                 final int callingUid = Binder.getCallingUid();
1905                 // system processes will be automatically allowed privilege to draw
1906                 if (callingUid == Process.SYSTEM_UID) {
1907                     return WindowManagerGlobal.ADD_OKAY;
1908                 }
1909
1910                 // check if user has enabled this operation. SecurityException will be thrown if
1911                 // this app has not been allowed by the user
1912                 final int mode = mAppOpsManager.checkOp(outAppOp[0], callingUid,
1913                         attrs.packageName);
1914                 switch (mode) {
1915                     case AppOpsManager.MODE_ALLOWED:
1916                     case AppOpsManager.MODE_IGNORED:
1917                         // although we return ADD_OKAY for MODE_IGNORED, the added window will
1918                         // actually be hidden in WindowManagerService
1919                         return WindowManagerGlobal.ADD_OKAY;
1920                     case AppOpsManager.MODE_ERRORED:
1921                         return WindowManagerGlobal.ADD_PERMISSION_DENIED;
1922                     default:
1923                         // in the default mode, we will make a decision here based on
1924                         // checkCallingPermission()
1925                         if (mContext.checkCallingPermission(permission) !=
1926                                 PackageManager.PERMISSION_GRANTED) {
1927                             return WindowManagerGlobal.ADD_PERMISSION_DENIED;
1928                         } else {
1929                             return WindowManagerGlobal.ADD_OKAY;
1930                         }
1931                 }
1932             }
1933
1934             if (mContext.checkCallingOrSelfPermission(permission)
1935                     != PackageManager.PERMISSION_GRANTED) {
1936                 return WindowManagerGlobal.ADD_PERMISSION_DENIED;
1937             }
1938         }
1939         return WindowManagerGlobal.ADD_OKAY;
1940     }
1941
1942     @Override
1943     public boolean checkShowToOwnerOnly(WindowManager.LayoutParams attrs) {
1944
1945         // If this switch statement is modified, modify the comment in the declarations of
1946         // the type in {@link WindowManager.LayoutParams} as well.
1947         switch (attrs.type) {
1948             default:
1949                 // These are the windows that by default are shown only to the user that created
1950                 // them. If this needs to be overridden, set
1951                 // {@link WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS} in
1952                 // {@link WindowManager.LayoutParams}. Note that permission
1953                 // {@link android.Manifest.permission.INTERNAL_SYSTEM_WINDOW} is required as well.
1954                 if ((attrs.privateFlags & PRIVATE_FLAG_SHOW_FOR_ALL_USERS) == 0) {
1955                     return true;
1956                 }
1957                 break;
1958
1959             // These are the windows that by default are shown to all users. However, to
1960             // protect against spoofing, check permissions below.
1961             case TYPE_APPLICATION_STARTING:
1962             case TYPE_BOOT_PROGRESS:
1963             case TYPE_DISPLAY_OVERLAY:
1964             case TYPE_INPUT_CONSUMER:
1965             case TYPE_KEYGUARD_SCRIM:
1966             case TYPE_KEYGUARD_DIALOG:
1967             case TYPE_MAGNIFICATION_OVERLAY:
1968             case TYPE_NAVIGATION_BAR:
1969             case TYPE_NAVIGATION_BAR_PANEL:
1970             case TYPE_PHONE:
1971             case TYPE_POINTER:
1972             case TYPE_PRIORITY_PHONE:
1973             case TYPE_SEARCH_BAR:
1974             case TYPE_STATUS_BAR:
1975             case TYPE_STATUS_BAR_PANEL:
1976             case TYPE_STATUS_BAR_SUB_PANEL:
1977             case TYPE_SYSTEM_DIALOG:
1978             case TYPE_VOLUME_OVERLAY:
1979             case TYPE_PRIVATE_PRESENTATION:
1980                 break;
1981         }
1982
1983         // Check if third party app has set window to system window type.
1984         return mContext.checkCallingOrSelfPermission(
1985                 android.Manifest.permission.INTERNAL_SYSTEM_WINDOW)
1986                         != PackageManager.PERMISSION_GRANTED;
1987     }
1988
1989     @Override
1990     public void adjustWindowParamsLw(WindowManager.LayoutParams attrs) {
1991         switch (attrs.type) {
1992             case TYPE_SYSTEM_OVERLAY:
1993             case TYPE_SECURE_SYSTEM_OVERLAY:
1994                 // These types of windows can't receive input events.
1995                 attrs.flags |= WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
1996                         | WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE;
1997                 attrs.flags &= ~WindowManager.LayoutParams.FLAG_WATCH_OUTSIDE_TOUCH;
1998                 break;
1999             case TYPE_STATUS_BAR:
2000
2001                 // If the Keyguard is in a hidden state (occluded by another window), we force to
2002                 // remove the wallpaper and keyguard flag so that any change in-flight after setting
2003                 // the keyguard as occluded wouldn't set these flags again.
2004                 // See {@link #processKeyguardSetHiddenResultLw}.
2005                 if (mKeyguardHidden) {
2006                     attrs.flags &= ~WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER;
2007                     attrs.privateFlags &= ~WindowManager.LayoutParams.PRIVATE_FLAG_KEYGUARD;
2008                 }
2009                 break;
2010         }
2011
2012         if (attrs.type != TYPE_STATUS_BAR) {
2013             // The status bar is the only window allowed to exhibit keyguard behavior.
2014             attrs.privateFlags &= ~WindowManager.LayoutParams.PRIVATE_FLAG_KEYGUARD;
2015         }
2016
2017         if (ActivityManager.isHighEndGfx()
2018                 && (attrs.flags & FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) != 0) {
2019             attrs.subtreeSystemUiVisibility |= View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
2020                     | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION;
2021         }
2022     }
2023
2024     void readLidState() {
2025         mLidState = mWindowManagerFuncs.getLidState();
2026     }
2027
2028     private void readCameraLensCoverState() {
2029         mCameraLensCoverState = mWindowManagerFuncs.getCameraLensCoverState();
2030     }
2031
2032     private boolean isHidden(int accessibilityMode) {
2033         switch (accessibilityMode) {
2034             case 1:
2035                 return mLidState == LID_CLOSED;
2036             case 2:
2037                 return mLidState == LID_OPEN;
2038             default:
2039                 return false;
2040         }
2041     }
2042
2043     /** {@inheritDoc} */
2044     @Override
2045     public void adjustConfigurationLw(Configuration config, int keyboardPresence,
2046             int navigationPresence) {
2047         mHaveBuiltInKeyboard = (keyboardPresence & PRESENCE_INTERNAL) != 0;
2048
2049         readConfigurationDependentBehaviors();
2050         readLidState();
2051         applyLidSwitchState();
2052
2053         if (config.keyboard == Configuration.KEYBOARD_NOKEYS
2054                 || (keyboardPresence == PRESENCE_INTERNAL
2055                         && isHidden(mLidKeyboardAccessibility))) {
2056             config.hardKeyboardHidden = Configuration.HARDKEYBOARDHIDDEN_YES;
2057             if (!mHasSoftInput) {
2058                 config.keyboardHidden = Configuration.KEYBOARDHIDDEN_YES;
2059             }
2060         }
2061
2062         if (config.navigation == Configuration.NAVIGATION_NONAV
2063                 || (navigationPresence == PRESENCE_INTERNAL
2064                         && isHidden(mLidNavigationAccessibility))) {
2065             config.navigationHidden = Configuration.NAVIGATIONHIDDEN_YES;
2066         }
2067     }
2068
2069     /** {@inheritDoc} */
2070     @Override
2071     public int windowTypeToLayerLw(int type) {
2072         if (type >= FIRST_APPLICATION_WINDOW && type <= LAST_APPLICATION_WINDOW) {
2073             return 2;
2074         }
2075         switch (type) {
2076         case TYPE_PRIVATE_PRESENTATION:
2077             return 2;
2078         case TYPE_WALLPAPER:
2079             // wallpaper is at the bottom, though the window manager may move it.
2080             return 2;
2081         case TYPE_PHONE:
2082             return 3;
2083         case TYPE_SEARCH_BAR:
2084         case TYPE_VOICE_INTERACTION_STARTING:
2085             return 4;
2086         case TYPE_VOICE_INTERACTION:
2087             // voice interaction layer is almost immediately above apps.
2088             return 5;
2089         case TYPE_INPUT_CONSUMER:
2090             return 6;
2091         case TYPE_SYSTEM_DIALOG:
2092             return 7;
2093         case TYPE_TOAST:
2094             // toasts and the plugged-in battery thing
2095             return 8;
2096         case TYPE_PRIORITY_PHONE:
2097             // SIM errors and unlock.  Not sure if this really should be in a high layer.
2098             return 9;
2099         case TYPE_DREAM:
2100             // used for Dreams (screensavers with TYPE_DREAM windows)
2101             return 10;
2102         case TYPE_SYSTEM_ALERT:
2103             // like the ANR / app crashed dialogs
2104             return 11;
2105         case TYPE_INPUT_METHOD:
2106             // on-screen keyboards and other such input method user interfaces go here.
2107             return 12;
2108         case TYPE_INPUT_METHOD_DIALOG:
2109             // on-screen keyboards and other such input method user interfaces go here.
2110             return 13;
2111         case TYPE_KEYGUARD_SCRIM:
2112             // the safety window that shows behind keyguard while keyguard is starting
2113             return 14;
2114         case TYPE_STATUS_BAR_SUB_PANEL:
2115             return 15;
2116         case TYPE_STATUS_BAR:
2117             return 16;
2118         case TYPE_STATUS_BAR_PANEL:
2119             return 17;
2120         case TYPE_KEYGUARD_DIALOG:
2121             return 18;
2122         case TYPE_VOLUME_OVERLAY:
2123             // the on-screen volume indicator and controller shown when the user
2124             // changes the device volume
2125             return 19;
2126         case TYPE_SYSTEM_OVERLAY:
2127             // the on-screen volume indicator and controller shown when the user
2128             // changes the device volume
2129             return 20;
2130         case TYPE_NAVIGATION_BAR:
2131             // the navigation bar, if available, shows atop most things
2132             return 21;
2133         case TYPE_NAVIGATION_BAR_PANEL:
2134             // some panels (e.g. search) need to show on top of the navigation bar
2135             return 22;
2136         case TYPE_SYSTEM_ERROR:
2137             // system-level error dialogs
2138             return 23;
2139         case TYPE_MAGNIFICATION_OVERLAY:
2140             // used to highlight the magnified portion of a display
2141             return 24;
2142         case TYPE_DISPLAY_OVERLAY:
2143             // used to simulate secondary display devices
2144             return 25;
2145         case TYPE_DRAG:
2146             // the drag layer: input for drag-and-drop is associated with this window,
2147             // which sits above all other focusable windows
2148             return 26;
2149         case TYPE_ACCESSIBILITY_OVERLAY:
2150             // overlay put by accessibility services to intercept user interaction
2151             return 27;
2152         case TYPE_SECURE_SYSTEM_OVERLAY:
2153             return 28;
2154         case TYPE_BOOT_PROGRESS:
2155             return 29;
2156         case TYPE_POINTER:
2157             // the (mouse) pointer layer
2158             return 30;
2159         }
2160         Log.e(TAG, "Unknown window type: " + type);
2161         return 2;
2162     }
2163
2164     /** {@inheritDoc} */
2165     @Override
2166     public int subWindowTypeToLayerLw(int type) {
2167         switch (type) {
2168         case TYPE_APPLICATION_PANEL:
2169         case TYPE_APPLICATION_ATTACHED_DIALOG:
2170             return APPLICATION_PANEL_SUBLAYER;
2171         case TYPE_APPLICATION_MEDIA:
2172             return APPLICATION_MEDIA_SUBLAYER;
2173         case TYPE_APPLICATION_MEDIA_OVERLAY:
2174             return APPLICATION_MEDIA_OVERLAY_SUBLAYER;
2175         case TYPE_APPLICATION_SUB_PANEL:
2176             return APPLICATION_SUB_PANEL_SUBLAYER;
2177         case TYPE_APPLICATION_ABOVE_SUB_PANEL:
2178             return APPLICATION_ABOVE_SUB_PANEL_SUBLAYER;
2179         }
2180         Log.e(TAG, "Unknown sub-window type: " + type);
2181         return 0;
2182     }
2183
2184     @Override
2185     public int getMaxWallpaperLayer() {
2186         return windowTypeToLayerLw(TYPE_STATUS_BAR);
2187     }
2188
2189     @Override
2190     public int getNonDecorDisplayWidth(int fullWidth, int fullHeight, int rotation) {
2191         if (mHasNavigationBar) {
2192             // For a basic navigation bar, when we are in landscape mode we place
2193             // the navigation bar to the side.
2194             if (mNavigationBarCanMove && fullWidth > fullHeight) {
2195                 return fullWidth - mNavigationBarWidthForRotation[rotation];
2196             }
2197         }
2198         return fullWidth;
2199     }
2200
2201     @Override
2202     public int getNonDecorDisplayHeight(int fullWidth, int fullHeight, int rotation) {
2203         if (mHasNavigationBar) {
2204             // For a basic navigation bar, when we are in portrait mode we place
2205             // the navigation bar to the bottom.
2206             if (!mNavigationBarCanMove || fullWidth < fullHeight) {
2207                 return fullHeight - mNavigationBarHeightForRotation[rotation];
2208             }
2209         }
2210         return fullHeight;
2211     }
2212
2213     @Override
2214     public int getConfigDisplayWidth(int fullWidth, int fullHeight, int rotation) {
2215         return getNonDecorDisplayWidth(fullWidth, fullHeight, rotation);
2216     }
2217
2218     @Override
2219     public int getConfigDisplayHeight(int fullWidth, int fullHeight, int rotation) {
2220         // There is a separate status bar at the top of the display.  We don't count that as part
2221         // of the fixed decor, since it can hide; however, for purposes of configurations,
2222         // we do want to exclude it since applications can't generally use that part
2223         // of the screen.
2224         return getNonDecorDisplayHeight(fullWidth, fullHeight, rotation) - mStatusBarHeight;
2225     }
2226
2227     @Override
2228     public boolean isForceHiding(WindowManager.LayoutParams attrs) {
2229         return (attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0 ||
2230                 (isKeyguardHostWindow(attrs) &&
2231                         (mKeyguardDelegate != null && mKeyguardDelegate.isShowing())) ||
2232                 (attrs.type == TYPE_KEYGUARD_SCRIM);
2233     }
2234
2235     @Override
2236     public boolean isKeyguardHostWindow(WindowManager.LayoutParams attrs) {
2237         return attrs.type == TYPE_STATUS_BAR;
2238     }
2239
2240     @Override
2241     public boolean canBeForceHidden(WindowState win, WindowManager.LayoutParams attrs) {
2242         switch (attrs.type) {
2243             case TYPE_STATUS_BAR:
2244             case TYPE_NAVIGATION_BAR:
2245             case TYPE_WALLPAPER:
2246             case TYPE_DREAM:
2247             case TYPE_KEYGUARD_SCRIM:
2248                 return false;
2249             default:
2250                 // Hide only windows below the keyguard host window.
2251                 return windowTypeToLayerLw(win.getBaseType())
2252                         < windowTypeToLayerLw(TYPE_STATUS_BAR);
2253         }
2254     }
2255
2256     @Override
2257     public WindowState getWinShowWhenLockedLw() {
2258         return mWinShowWhenLocked;
2259     }
2260
2261     /** {@inheritDoc} */
2262     @Override
2263     public View addStartingWindow(IBinder appToken, String packageName, int theme,
2264             CompatibilityInfo compatInfo, CharSequence nonLocalizedLabel, int labelRes,
2265             int icon, int logo, int windowFlags) {
2266         if (!SHOW_STARTING_ANIMATIONS) {
2267             return null;
2268         }
2269         if (packageName == null) {
2270             return null;
2271         }
2272
2273         WindowManager wm = null;
2274         View view = null;
2275
2276         try {
2277             Context context = mContext;
2278             if (DEBUG_STARTING_WINDOW) Slog.d(TAG, "addStartingWindow " + packageName
2279                     + ": nonLocalizedLabel=" + nonLocalizedLabel + " theme="
2280                     + Integer.toHexString(theme));
2281             if (theme != context.getThemeResId() || labelRes != 0) {
2282                 try {
2283                     context = context.createPackageContext(packageName, 0);
2284                     context.setTheme(theme);
2285                 } catch (PackageManager.NameNotFoundException e) {
2286                     // Ignore
2287                 }
2288             }
2289
2290             PhoneWindow win = new PhoneWindow(context);
2291             win.setIsStartingWindow(true);
2292             final TypedArray ta = win.getWindowStyle();
2293             if (ta.getBoolean(
2294                         com.android.internal.R.styleable.Window_windowDisablePreview, false)
2295                 || ta.getBoolean(
2296                         com.android.internal.R.styleable.Window_windowShowWallpaper,false)) {
2297                 return null;
2298             }
2299
2300             Resources r = context.getResources();
2301             win.setTitle(r.getText(labelRes, nonLocalizedLabel));
2302
2303             win.setType(
2304                 WindowManager.LayoutParams.TYPE_APPLICATION_STARTING);
2305
2306             synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
2307                 // Assumes it's safe to show starting windows of launched apps while
2308                 // the keyguard is being hidden. This is okay because starting windows never show
2309                 // secret information.
2310                 if (mKeyguardHidden) {
2311                     windowFlags |= FLAG_SHOW_WHEN_LOCKED;
2312                 }
2313             }
2314
2315             // Force the window flags: this is a fake window, so it is not really
2316             // touchable or focusable by the user.  We also add in the ALT_FOCUSABLE_IM
2317             // flag because we do know that the next window will take input
2318             // focus, so we want to get the IME window up on top of us right away.
2319             win.setFlags(
2320                 windowFlags|
2321                 WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE|
2322                 WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE|
2323                 WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM,
2324                 windowFlags|
2325                 WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE|
2326                 WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE|
2327                 WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM);
2328
2329             win.setDefaultIcon(icon);
2330             win.setDefaultLogo(logo);
2331
2332             win.setLayout(WindowManager.LayoutParams.MATCH_PARENT,
2333                     WindowManager.LayoutParams.MATCH_PARENT);
2334
2335             final WindowManager.LayoutParams params = win.getAttributes();
2336             params.token = appToken;
2337             params.packageName = packageName;
2338             params.windowAnimations = win.getWindowStyle().getResourceId(
2339                     com.android.internal.R.styleable.Window_windowAnimationStyle, 0);
2340             params.privateFlags |=
2341                     WindowManager.LayoutParams.PRIVATE_FLAG_FAKE_HARDWARE_ACCELERATED;
2342             params.privateFlags |= WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS;
2343
2344             if (!compatInfo.supportsScreen()) {
2345                 params.privateFlags |= WindowManager.LayoutParams.PRIVATE_FLAG_COMPATIBLE_WINDOW;
2346             }
2347
2348             params.setTitle("Starting " + packageName);
2349
2350             wm = (WindowManager)context.getSystemService(Context.WINDOW_SERVICE);
2351             view = win.getDecorView();
2352
2353             if (win.isFloating()) {
2354                 // Whoops, there is no way to display an animation/preview
2355                 // of such a thing!  After all that work...  let's skip it.
2356                 // (Note that we must do this here because it is in
2357                 // getDecorView() where the theme is evaluated...  maybe
2358                 // we should peek the floating attribute from the theme
2359                 // earlier.)
2360                 return null;
2361             }
2362
2363             if (DEBUG_STARTING_WINDOW) Slog.d(
2364                 TAG, "Adding starting window for " + packageName
2365                 + " / " + appToken + ": "
2366                 + (view.getParent() != null ? view : null));
2367
2368             wm.addView(view, params);
2369
2370             // Only return the view if it was successfully added to the
2371             // window manager... which we can tell by it having a parent.
2372             return view.getParent() != null ? view : null;
2373         } catch (WindowManager.BadTokenException e) {
2374             // ignore
2375             Log.w(TAG, appToken + " already running, starting window not displayed. " +
2376                     e.getMessage());
2377         } catch (RuntimeException e) {
2378             // don't crash if something else bad happens, for example a
2379             // failure loading resources because we are loading from an app
2380             // on external storage that has been unmounted.
2381             Log.w(TAG, appToken + " failed creating starting window", e);
2382         } finally {
2383             if (view != null && view.getParent() == null) {
2384                 Log.w(TAG, "view not successfully added to wm, removing view");
2385                 wm.removeViewImmediate(view);
2386             }
2387         }
2388
2389         return null;
2390     }
2391
2392     /** {@inheritDoc} */
2393     @Override
2394     public void removeStartingWindow(IBinder appToken, View window) {
2395         if (DEBUG_STARTING_WINDOW) Slog.v(TAG, "Removing starting window for " + appToken + ": "
2396                 + window + " Callers=" + Debug.getCallers(4));
2397
2398         if (window != null) {
2399             WindowManager wm = (WindowManager)mContext.getSystemService(Context.WINDOW_SERVICE);
2400             wm.removeView(window);
2401         }
2402     }
2403
2404     /**
2405      * Preflight adding a window to the system.
2406      *
2407      * Currently enforces that three window types are singletons:
2408      * <ul>
2409      * <li>STATUS_BAR_TYPE</li>
2410      * <li>KEYGUARD_TYPE</li>
2411      * </ul>
2412      *
2413      * @param win The window to be added
2414      * @param attrs Information about the window to be added
2415      *
2416      * @return If ok, WindowManagerImpl.ADD_OKAY.  If too many singletons,
2417      * WindowManagerImpl.ADD_MULTIPLE_SINGLETON
2418      */
2419     @Override
2420     public int prepareAddWindowLw(WindowState win, WindowManager.LayoutParams attrs) {
2421         switch (attrs.type) {
2422             case TYPE_STATUS_BAR:
2423                 mContext.enforceCallingOrSelfPermission(
2424                         android.Manifest.permission.STATUS_BAR_SERVICE,
2425                         "PhoneWindowManager");
2426                 if (mStatusBar != null) {
2427                     if (mStatusBar.isAlive()) {
2428                         return WindowManagerGlobal.ADD_MULTIPLE_SINGLETON;
2429                     }
2430                 }
2431                 mStatusBar = win;
2432                 mStatusBarController.setWindow(win);
2433                 break;
2434             case TYPE_NAVIGATION_BAR:
2435                 mContext.enforceCallingOrSelfPermission(
2436                         android.Manifest.permission.STATUS_BAR_SERVICE,
2437                         "PhoneWindowManager");
2438                 if (mNavigationBar != null) {
2439                     if (mNavigationBar.isAlive()) {
2440                         return WindowManagerGlobal.ADD_MULTIPLE_SINGLETON;
2441                     }
2442                 }
2443                 mNavigationBar = win;
2444                 mNavigationBarController.setWindow(win);
2445                 if (DEBUG_LAYOUT) Slog.i(TAG, "NAVIGATION BAR: " + mNavigationBar);
2446                 break;
2447             case TYPE_NAVIGATION_BAR_PANEL:
2448             case TYPE_STATUS_BAR_PANEL:
2449             case TYPE_STATUS_BAR_SUB_PANEL:
2450             case TYPE_VOICE_INTERACTION_STARTING:
2451                 mContext.enforceCallingOrSelfPermission(
2452                         android.Manifest.permission.STATUS_BAR_SERVICE,
2453                         "PhoneWindowManager");
2454                 break;
2455             case TYPE_KEYGUARD_SCRIM:
2456                 if (mKeyguardScrim != null) {
2457                     return WindowManagerGlobal.ADD_MULTIPLE_SINGLETON;
2458                 }
2459                 mKeyguardScrim = win;
2460                 break;
2461         }
2462         return WindowManagerGlobal.ADD_OKAY;
2463     }
2464
2465     /** {@inheritDoc} */
2466     @Override
2467     public void removeWindowLw(WindowState win) {
2468         if (mStatusBar == win) {
2469             mStatusBar = null;
2470             mStatusBarController.setWindow(null);
2471             mKeyguardDelegate.showScrim();
2472         } else if (mKeyguardScrim == win) {
2473             Log.v(TAG, "Removing keyguard scrim");
2474             mKeyguardScrim = null;
2475         } if (mNavigationBar == win) {
2476             mNavigationBar = null;
2477             mNavigationBarController.setWindow(null);
2478         }
2479     }
2480
2481     static final boolean PRINT_ANIM = false;
2482
2483     /** {@inheritDoc} */
2484     @Override
2485     public int selectAnimationLw(WindowState win, int transit) {
2486         if (PRINT_ANIM) Log.i(TAG, "selectAnimation in " + win
2487               + ": transit=" + transit);
2488         if (win == mStatusBar) {
2489             boolean isKeyguard = (win.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0;
2490             if (transit == TRANSIT_EXIT
2491                     || transit == TRANSIT_HIDE) {
2492                 return isKeyguard ? -1 : R.anim.dock_top_exit;
2493             } else if (transit == TRANSIT_ENTER
2494                     || transit == TRANSIT_SHOW) {
2495                 return isKeyguard ? -1 : R.anim.dock_top_enter;
2496             }
2497         } else if (win == mNavigationBar) {
2498             if (win.getAttrs().windowAnimations != 0) {
2499                 return 0;
2500             }
2501             // This can be on either the bottom or the right.
2502             if (mNavigationBarOnBottom) {
2503                 if (transit == TRANSIT_EXIT
2504                         || transit == TRANSIT_HIDE) {
2505                     return R.anim.dock_bottom_exit;
2506                 } else if (transit == TRANSIT_ENTER
2507                         || transit == TRANSIT_SHOW) {
2508                     return R.anim.dock_bottom_enter;
2509                 }
2510             } else {
2511                 if (transit == TRANSIT_EXIT
2512                         || transit == TRANSIT_HIDE) {
2513                     return R.anim.dock_right_exit;
2514                 } else if (transit == TRANSIT_ENTER
2515                         || transit == TRANSIT_SHOW) {
2516                     return R.anim.dock_right_enter;
2517                 }
2518             }
2519         }
2520
2521         if (transit == TRANSIT_PREVIEW_DONE) {
2522             if (win.hasAppShownWindows()) {
2523                 if (PRINT_ANIM) Log.i(TAG, "**** STARTING EXIT");
2524                 return com.android.internal.R.anim.app_starting_exit;
2525             }
2526         } else if (win.getAttrs().type == TYPE_DREAM && mDreamingLockscreen
2527                 && transit == TRANSIT_ENTER) {
2528             // Special case: we are animating in a dream, while the keyguard
2529             // is shown.  We don't want an animation on the dream, because
2530             // we need it shown immediately with the keyguard animating away
2531             // to reveal it.
2532             return -1;
2533         }
2534
2535         return 0;
2536     }
2537
2538     @Override
2539     public void selectRotationAnimationLw(int anim[]) {
2540         if (PRINT_ANIM) Slog.i(TAG, "selectRotationAnimation mTopFullscreen="
2541                 + mTopFullscreenOpaqueWindowState + " rotationAnimation="
2542                 + (mTopFullscreenOpaqueWindowState == null ?
2543                         "0" : mTopFullscreenOpaqueWindowState.getAttrs().rotationAnimation));
2544         if (mTopFullscreenOpaqueWindowState != null && mTopIsFullscreen) {
2545             switch (mTopFullscreenOpaqueWindowState.getAttrs().rotationAnimation) {
2546                 case ROTATION_ANIMATION_CROSSFADE:
2547                     anim[0] = R.anim.rotation_animation_xfade_exit;
2548                     anim[1] = R.anim.rotation_animation_enter;
2549                     break;
2550                 case ROTATION_ANIMATION_JUMPCUT:
2551                     anim[0] = R.anim.rotation_animation_jump_exit;
2552                     anim[1] = R.anim.rotation_animation_enter;
2553                     break;
2554                 case ROTATION_ANIMATION_ROTATE:
2555                 default:
2556                     anim[0] = anim[1] = 0;
2557                     break;
2558             }
2559         } else {
2560             anim[0] = anim[1] = 0;
2561         }
2562     }
2563
2564     @Override
2565     public boolean validateRotationAnimationLw(int exitAnimId, int enterAnimId,
2566             boolean forceDefault) {
2567         switch (exitAnimId) {
2568             case R.anim.rotation_animation_xfade_exit:
2569             case R.anim.rotation_animation_jump_exit:
2570                 // These are the only cases that matter.
2571                 if (forceDefault) {
2572                     return false;
2573                 }
2574                 int anim[] = new int[2];
2575                 selectRotationAnimationLw(anim);
2576                 return (exitAnimId == anim[0] && enterAnimId == anim[1]);
2577             default:
2578                 return true;
2579         }
2580     }
2581
2582     @Override
2583     public Animation createForceHideEnterAnimation(boolean onWallpaper,
2584             boolean goingToNotificationShade) {
2585         if (goingToNotificationShade) {
2586             return AnimationUtils.loadAnimation(mContext, R.anim.lock_screen_behind_enter_fade_in);
2587         }
2588
2589         AnimationSet set = (AnimationSet) AnimationUtils.loadAnimation(mContext, onWallpaper ?
2590                     R.anim.lock_screen_behind_enter_wallpaper :
2591                     R.anim.lock_screen_behind_enter);
2592
2593         // TODO: Use XML interpolators when we have log interpolators available in XML.
2594         final List<Animation> animations = set.getAnimations();
2595         for (int i = animations.size() - 1; i >= 0; --i) {
2596             animations.get(i).setInterpolator(mLogDecelerateInterpolator);
2597         }
2598
2599         return set;
2600     }
2601
2602
2603     @Override
2604     public Animation createForceHideWallpaperExitAnimation(boolean goingToNotificationShade) {
2605         if (goingToNotificationShade) {
2606             return null;
2607         } else {
2608             return AnimationUtils.loadAnimation(mContext, R.anim.lock_screen_wallpaper_exit);
2609         }
2610     }
2611
2612     private static void awakenDreams() {
2613         IDreamManager dreamManager = getDreamManager();
2614         if (dreamManager != null) {
2615             try {
2616                 dreamManager.awaken();
2617             } catch (RemoteException e) {
2618                 // fine, stay asleep then
2619             }
2620         }
2621     }
2622
2623     static IDreamManager getDreamManager() {
2624         return IDreamManager.Stub.asInterface(
2625                 ServiceManager.checkService(DreamService.DREAM_SERVICE));
2626     }
2627
2628     TelecomManager getTelecommService() {
2629         return (TelecomManager) mContext.getSystemService(Context.TELECOM_SERVICE);
2630     }
2631
2632     static IAudioService getAudioService() {
2633         IAudioService audioService = IAudioService.Stub.asInterface(
2634                 ServiceManager.checkService(Context.AUDIO_SERVICE));
2635         if (audioService == null) {
2636             Log.w(TAG, "Unable to find IAudioService interface.");
2637         }
2638         return audioService;
2639     }
2640
2641     boolean keyguardOn() {
2642         return isKeyguardShowingAndNotOccluded() || inKeyguardRestrictedKeyInputMode();
2643     }
2644
2645     private static final int[] WINDOW_TYPES_WHERE_HOME_DOESNT_WORK = {
2646             WindowManager.LayoutParams.TYPE_SYSTEM_ALERT,
2647             WindowManager.LayoutParams.TYPE_SYSTEM_ERROR,
2648         };
2649
2650     /** {@inheritDoc} */
2651     @Override
2652     public long interceptKeyBeforeDispatching(WindowState win, KeyEvent event, int policyFlags) {
2653         final boolean keyguardOn = keyguardOn();
2654         final int keyCode = event.getKeyCode();
2655         final int repeatCount = event.getRepeatCount();
2656         final int metaState = event.getMetaState();
2657         final int flags = event.getFlags();
2658         final boolean down = event.getAction() == KeyEvent.ACTION_DOWN;
2659         final boolean canceled = event.isCanceled();
2660
2661         if (DEBUG_INPUT) {
2662             Log.d(TAG, "interceptKeyTi keyCode=" + keyCode + " down=" + down + " repeatCount="
2663                     + repeatCount + " keyguardOn=" + keyguardOn + " mHomePressed=" + mHomePressed
2664                     + " canceled=" + canceled);
2665         }
2666
2667         // If we think we might have a volume down & power key chord on the way
2668         // but we're not sure, then tell the dispatcher to wait a little while and
2669         // try again later before dispatching.
2670         if (mScreenshotChordEnabled && (flags & KeyEvent.FLAG_FALLBACK) == 0) {
2671             if (mScreenshotChordVolumeDownKeyTriggered && !mScreenshotChordPowerKeyTriggered) {
2672                 final long now = SystemClock.uptimeMillis();
2673                 final long timeoutTime = mScreenshotChordVolumeDownKeyTime
2674                         + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS;
2675                 if (now < timeoutTime) {
2676                     return timeoutTime - now;
2677                 }
2678             }
2679             if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN
2680                     && mScreenshotChordVolumeDownKeyConsumed) {
2681                 if (!down) {
2682                     mScreenshotChordVolumeDownKeyConsumed = false;
2683                 }
2684                 return -1;
2685             }
2686         }
2687
2688         // Cancel any pending meta actions if we see any other keys being pressed between the down
2689         // of the meta key and its corresponding up.
2690         if (mPendingMetaAction && !KeyEvent.isMetaKey(keyCode)) {
2691             mPendingMetaAction = false;
2692         }
2693
2694         // First we always handle the home key here, so applications
2695         // can never break it, although if keyguard is on, we do let
2696         // it handle it, because that gives us the correct 5 second
2697         // timeout.
2698         if (keyCode == KeyEvent.KEYCODE_HOME) {
2699
2700             // If we have released the home key, and didn't do anything else
2701             // while it was pressed, then it is time to go home!
2702             if (!down) {
2703                 cancelPreloadRecentApps();
2704
2705                 mHomePressed = false;
2706                 if (mHomeConsumed) {
2707                     mHomeConsumed = false;
2708                     return -1;
2709                 }
2710
2711                 if (canceled) {
2712                     Log.i(TAG, "Ignoring HOME; event canceled.");
2713                     return -1;
2714                 }
2715
2716                 // If an incoming call is ringing, HOME is totally disabled.
2717                 // (The user is already on the InCallUI at this point,
2718                 // and his ONLY options are to answer or reject the call.)
2719                 TelecomManager telecomManager = getTelecommService();
2720                 if (telecomManager != null && telecomManager.isRinging()) {
2721                     Log.i(TAG, "Ignoring HOME; there's a ringing incoming call.");
2722                     return -1;
2723                 }
2724
2725                 // Delay handling home if a double-tap is possible.
2726                 if (mDoubleTapOnHomeBehavior != DOUBLE_TAP_HOME_NOTHING) {
2727                     mHandler.removeCallbacks(mHomeDoubleTapTimeoutRunnable); // just in case
2728                     mHomeDoubleTapPending = true;
2729                     mHandler.postDelayed(mHomeDoubleTapTimeoutRunnable,
2730                             ViewConfiguration.getDoubleTapTimeout());
2731                     return -1;
2732                 }
2733
2734                 handleShortPressOnHome();
2735                 return -1;
2736             }
2737
2738             // If a system window has focus, then it doesn't make sense
2739             // right now to interact with applications.
2740             WindowManager.LayoutParams attrs = win != null ? win.getAttrs() : null;
2741             if (attrs != null) {
2742                 final int type = attrs.type;
2743                 if (type == WindowManager.LayoutParams.TYPE_KEYGUARD_SCRIM
2744                         || type == WindowManager.LayoutParams.TYPE_KEYGUARD_DIALOG
2745                         || (attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
2746                     // the "app" is keyguard, so give it the key
2747                     return 0;
2748                 }
2749                 final int typeCount = WINDOW_TYPES_WHERE_HOME_DOESNT_WORK.length;
2750                 for (int i=0; i<typeCount; i++) {
2751                     if (type == WINDOW_TYPES_WHERE_HOME_DOESNT_WORK[i]) {
2752                         // don't do anything, but also don't pass it to the app
2753                         return -1;
2754                     }
2755                 }
2756             }
2757
2758             // Remember that home is pressed and handle special actions.
2759             if (repeatCount == 0) {
2760                 mHomePressed = true;
2761                 if (mHomeDoubleTapPending) {
2762                     mHomeDoubleTapPending = false;
2763                     mHandler.removeCallbacks(mHomeDoubleTapTimeoutRunnable);
2764                     handleDoubleTapOnHome();
2765                 } else if (mLongPressOnHomeBehavior == LONG_PRESS_HOME_RECENT_SYSTEM_UI
2766                         || mDoubleTapOnHomeBehavior == DOUBLE_TAP_HOME_RECENT_SYSTEM_UI) {
2767                     preloadRecentApps();
2768                 }
2769             } else if ((event.getFlags() & KeyEvent.FLAG_LONG_PRESS) != 0) {
2770                 if (!keyguardOn) {
2771                     handleLongPressOnHome(event.getDeviceId());
2772                 }
2773             }
2774             return -1;
2775         } else if (keyCode == KeyEvent.KEYCODE_MENU) {
2776             // Hijack modified menu keys for debugging features
2777             final int chordBug = KeyEvent.META_SHIFT_ON;
2778
2779             if (down && repeatCount == 0) {
2780                 if (mEnableShiftMenuBugReports && (metaState & chordBug) == chordBug) {
2781                     Intent intent = new Intent(Intent.ACTION_BUG_REPORT);
2782                     mContext.sendOrderedBroadcastAsUser(intent, UserHandle.CURRENT,
2783                             null, null, null, 0, null, null);
2784                     return -1;
2785                 } else if (SHOW_PROCESSES_ON_ALT_MENU &&
2786                         (metaState & KeyEvent.META_ALT_ON) == KeyEvent.META_ALT_ON) {
2787                     Intent service = new Intent();
2788                     service.setClassName(mContext, "com.android.server.LoadAverageService");
2789                     ContentResolver res = mContext.getContentResolver();
2790                     boolean shown = Settings.Global.getInt(
2791                             res, Settings.Global.SHOW_PROCESSES, 0) != 0;
2792                     if (!shown) {
2793                         mContext.startService(service);
2794                     } else {
2795                         mContext.stopService(service);
2796                     }
2797                     Settings.Global.putInt(
2798                             res, Settings.Global.SHOW_PROCESSES, shown ? 0 : 1);
2799                     return -1;
2800                 }
2801             }
2802         } else if (keyCode == KeyEvent.KEYCODE_SEARCH) {
2803             if (down) {
2804                 if (repeatCount == 0) {
2805                     mSearchKeyShortcutPending = true;
2806                     mConsumeSearchKeyUp = false;
2807                 }
2808             } else {
2809                 mSearchKeyShortcutPending = false;
2810                 if (mConsumeSearchKeyUp) {
2811                     mConsumeSearchKeyUp = false;
2812                     return -1;
2813                 }
2814             }
2815             return 0;
2816         } else if (keyCode == KeyEvent.KEYCODE_APP_SWITCH) {
2817             if (!keyguardOn) {
2818                 if (down && repeatCount == 0) {
2819                     preloadRecentApps();
2820                 } else if (!down) {
2821                     toggleRecentApps();
2822                 }
2823             }
2824             return -1;
2825         } else if (keyCode == KeyEvent.KEYCODE_N && event.isMetaPressed()) {
2826             if (down) {
2827                 IStatusBarService service = getStatusBarService();
2828                 if (service != null) {
2829                     try {
2830                         service.expandNotificationsPanel();
2831                     } catch (RemoteException e) {
2832                         // do nothing.
2833                     }
2834                 }
2835             }
2836         } else if (keyCode == KeyEvent.KEYCODE_ASSIST) {
2837             if (down) {
2838                 if (repeatCount == 0) {
2839                     mAssistKeyLongPressed = false;
2840                 } else if (repeatCount == 1) {
2841                     mAssistKeyLongPressed = true;
2842                     if (!keyguardOn) {
2843                          launchAssistLongPressAction();
2844                     }
2845                 }
2846             } else {
2847                 if (mAssistKeyLongPressed) {
2848                     mAssistKeyLongPressed = false;
2849                 } else {
2850                     if (!keyguardOn) {
2851                         launchAssistAction(null, event.getDeviceId());
2852                     }
2853                 }
2854             }
2855             return -1;
2856         } else if (keyCode == KeyEvent.KEYCODE_VOICE_ASSIST) {
2857             if (!down) {
2858                 Intent voiceIntent;
2859                 if (!keyguardOn) {
2860                     voiceIntent = new Intent(RecognizerIntent.ACTION_WEB_SEARCH);
2861                 } else {
2862                     IDeviceIdleController dic = IDeviceIdleController.Stub.asInterface(
2863                             ServiceManager.getService(Context.DEVICE_IDLE_CONTROLLER));
2864                     if (dic != null) {
2865                         try {
2866                             dic.exitIdle("voice-search");
2867                         } catch (RemoteException e) {
2868                         }
2869                     }
2870                     voiceIntent = new Intent(RecognizerIntent.ACTION_VOICE_SEARCH_HANDS_FREE);
2871                     voiceIntent.putExtra(RecognizerIntent.EXTRA_SECURE, true);
2872                 }
2873                 startActivityAsUser(voiceIntent, UserHandle.CURRENT_OR_SELF);
2874             }
2875         } else if (keyCode == KeyEvent.KEYCODE_SYSRQ) {
2876             if (down && repeatCount == 0) {
2877                 mHandler.post(mScreenshotRunnable);
2878             }
2879             return -1;
2880         } else if (keyCode == KeyEvent.KEYCODE_BRIGHTNESS_UP
2881                 || keyCode == KeyEvent.KEYCODE_BRIGHTNESS_DOWN) {
2882             if (down) {
2883                 int direction = keyCode == KeyEvent.KEYCODE_BRIGHTNESS_UP ? 1 : -1;
2884
2885                 // Disable autobrightness if it's on
2886                 int auto = Settings.System.getIntForUser(
2887                         mContext.getContentResolver(),
2888                         Settings.System.SCREEN_BRIGHTNESS_MODE,
2889                         Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL,
2890                         UserHandle.USER_CURRENT_OR_SELF);
2891                 if (auto != 0) {
2892                     Settings.System.putIntForUser(mContext.getContentResolver(),
2893                             Settings.System.SCREEN_BRIGHTNESS_MODE,
2894                             Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL,
2895                             UserHandle.USER_CURRENT_OR_SELF);
2896                 }
2897
2898                 int min = mPowerManager.getMinimumScreenBrightnessSetting();
2899                 int max = mPowerManager.getMaximumScreenBrightnessSetting();
2900                 int step = (max - min + BRIGHTNESS_STEPS - 1) / BRIGHTNESS_STEPS * direction;
2901                 int brightness = Settings.System.getIntForUser(mContext.getContentResolver(),
2902                         Settings.System.SCREEN_BRIGHTNESS,
2903                         mPowerManager.getDefaultScreenBrightnessSetting(),
2904                         UserHandle.USER_CURRENT_OR_SELF);
2905                 brightness += step;
2906                 // Make sure we don't go beyond the limits.
2907                 brightness = Math.min(max, brightness);
2908                 brightness = Math.max(min, brightness);
2909
2910                 Settings.System.putIntForUser(mContext.getContentResolver(),
2911                         Settings.System.SCREEN_BRIGHTNESS, brightness,
2912                         UserHandle.USER_CURRENT_OR_SELF);
2913                 startActivityAsUser(new Intent(Intent.ACTION_SHOW_BRIGHTNESS_DIALOG),
2914                         UserHandle.CURRENT_OR_SELF);
2915             }
2916             return -1;
2917         } else if (KeyEvent.isMetaKey(keyCode)) {
2918             if (down) {
2919                 mPendingMetaAction = true;
2920             } else if (mPendingMetaAction) {
2921                 launchAssistAction(Intent.EXTRA_ASSIST_INPUT_HINT_KEYBOARD, event.getDeviceId());
2922             }
2923             return -1;
2924         }
2925
2926         // Shortcuts are invoked through Search+key, so intercept those here
2927         // Any printing key that is chorded with Search should be consumed
2928         // even if no shortcut was invoked.  This prevents text from being
2929         // inadvertently inserted when using a keyboard that has built-in macro
2930         // shortcut keys (that emit Search+x) and some of them are not registered.
2931         if (mSearchKeyShortcutPending) {
2932             final KeyCharacterMap kcm = event.getKeyCharacterMap();
2933             if (kcm.isPrintingKey(keyCode)) {
2934                 mConsumeSearchKeyUp = true;
2935                 mSearchKeyShortcutPending = false;
2936                 if (down && repeatCount == 0 && !keyguardOn) {
2937                     Intent shortcutIntent = mShortcutManager.getIntent(kcm, keyCode, metaState);
2938                     if (shortcutIntent != null) {
2939                         shortcutIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
2940                         try {
2941                             startActivityAsUser(shortcutIntent, UserHandle.CURRENT);
2942                         } catch (ActivityNotFoundException ex) {
2943                             Slog.w(TAG, "Dropping shortcut key combination because "
2944                                     + "the activity to which it is registered was not found: "
2945                                     + "SEARCH+" + KeyEvent.keyCodeToString(keyCode), ex);
2946                         }
2947                     } else {
2948                         Slog.i(TAG, "Dropping unregistered shortcut key combination: "
2949                                 + "SEARCH+" + KeyEvent.keyCodeToString(keyCode));
2950                     }
2951                 }
2952                 return -1;
2953             }
2954         }
2955
2956         // Invoke shortcuts using Meta.
2957         if (down && repeatCount == 0 && !keyguardOn
2958                 && (metaState & KeyEvent.META_META_ON) != 0) {
2959             final KeyCharacterMap kcm = event.getKeyCharacterMap();
2960             if (kcm.isPrintingKey(keyCode)) {
2961                 Intent shortcutIntent = mShortcutManager.getIntent(kcm, keyCode,
2962                         metaState & ~(KeyEvent.META_META_ON
2963                                 | KeyEvent.META_META_LEFT_ON | KeyEvent.META_META_RIGHT_ON));
2964                 if (shortcutIntent != null) {
2965                     shortcutIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
2966                     try {
2967                         startActivityAsUser(shortcutIntent, UserHandle.CURRENT);
2968                     } catch (ActivityNotFoundException ex) {
2969                         Slog.w(TAG, "Dropping shortcut key combination because "
2970                                 + "the activity to which it is registered was not found: "
2971                                 + "META+" + KeyEvent.keyCodeToString(keyCode), ex);
2972                     }
2973                     return -1;
2974                 }
2975             }
2976         }
2977
2978         // Handle application launch keys.
2979         if (down && repeatCount == 0 && !keyguardOn) {
2980             String category = sApplicationLaunchKeyCategories.get(keyCode);
2981             if (category != null) {
2982                 Intent intent = Intent.makeMainSelectorActivity(Intent.ACTION_MAIN, category);
2983                 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
2984                 try {
2985                     startActivityAsUser(intent, UserHandle.CURRENT);
2986                 } catch (ActivityNotFoundException ex) {
2987                     Slog.w(TAG, "Dropping application launch key because "
2988                             + "the activity to which it is registered was not found: "
2989                             + "keyCode=" + keyCode + ", category=" + category, ex);
2990                 }
2991                 return -1;
2992             }
2993         }
2994
2995         // Display task switcher for ALT-TAB.
2996         if (down && repeatCount == 0 && keyCode == KeyEvent.KEYCODE_TAB) {
2997             if (mRecentAppsHeldModifiers == 0 && !keyguardOn && isUserSetupComplete()) {
2998                 final int shiftlessModifiers = event.getModifiers() & ~KeyEvent.META_SHIFT_MASK;
2999                 if (KeyEvent.metaStateHasModifiers(shiftlessModifiers, KeyEvent.META_ALT_ON)) {
3000                     mRecentAppsHeldModifiers = shiftlessModifiers;
3001                     showRecentApps(true);
3002                     return -1;
3003                 }
3004             }
3005         } else if (!down && mRecentAppsHeldModifiers != 0
3006                 && (metaState & mRecentAppsHeldModifiers) == 0) {
3007             mRecentAppsHeldModifiers = 0;
3008             hideRecentApps(true, false);
3009         }
3010
3011         // Handle keyboard language switching.
3012         if (down && repeatCount == 0
3013                 && (keyCode == KeyEvent.KEYCODE_LANGUAGE_SWITCH
3014                         || (keyCode == KeyEvent.KEYCODE_SPACE
3015                                 && (metaState & KeyEvent.META_CTRL_MASK) != 0))) {
3016             int direction = (metaState & KeyEvent.META_SHIFT_MASK) != 0 ? -1 : 1;
3017             mWindowManagerFuncs.switchKeyboardLayout(event.getDeviceId(), direction);
3018             return -1;
3019         }
3020         if (mLanguageSwitchKeyPressed && !down
3021                 && (keyCode == KeyEvent.KEYCODE_LANGUAGE_SWITCH
3022                         || keyCode == KeyEvent.KEYCODE_SPACE)) {
3023             mLanguageSwitchKeyPressed = false;
3024             return -1;
3025         }
3026
3027         if (isValidGlobalKey(keyCode)
3028                 && mGlobalKeyManager.handleGlobalKey(mContext, keyCode, event)) {
3029             return -1;
3030         }
3031
3032         // Reserve all the META modifier combos for system behavior
3033         if ((metaState & KeyEvent.META_META_ON) != 0) {
3034             return -1;
3035         }
3036
3037         // Let the application handle the key.
3038         return 0;
3039     }
3040
3041     /** {@inheritDoc} */
3042     @Override
3043     public KeyEvent dispatchUnhandledKey(WindowState win, KeyEvent event, int policyFlags) {
3044         // Note: This method is only called if the initial down was unhandled.
3045         if (DEBUG_INPUT) {
3046             Slog.d(TAG, "Unhandled key: win=" + win + ", action=" + event.getAction()
3047                     + ", flags=" + event.getFlags()
3048                     + ", keyCode=" + event.getKeyCode()
3049                     + ", scanCode=" + event.getScanCode()
3050                     + ", metaState=" + event.getMetaState()
3051                     + ", repeatCount=" + event.getRepeatCount()
3052                     + ", policyFlags=" + policyFlags);
3053         }
3054
3055         KeyEvent fallbackEvent = null;
3056         if ((event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
3057             final KeyCharacterMap kcm = event.getKeyCharacterMap();
3058             final int keyCode = event.getKeyCode();
3059             final int metaState = event.getMetaState();
3060             final boolean initialDown = event.getAction() == KeyEvent.ACTION_DOWN
3061                     && event.getRepeatCount() == 0;
3062
3063             // Check for fallback actions specified by the key character map.
3064             final FallbackAction fallbackAction;
3065             if (initialDown) {
3066                 fallbackAction = kcm.getFallbackAction(keyCode, metaState);
3067             } else {
3068                 fallbackAction = mFallbackActions.get(keyCode);
3069             }
3070
3071             if (fallbackAction != null) {
3072                 if (DEBUG_INPUT) {
3073                     Slog.d(TAG, "Fallback: keyCode=" + fallbackAction.keyCode
3074                             + " metaState=" + Integer.toHexString(fallbackAction.metaState));
3075                 }
3076
3077                 final int flags = event.getFlags() | KeyEvent.FLAG_FALLBACK;
3078                 fallbackEvent = KeyEvent.obtain(
3079                         event.getDownTime(), event.getEventTime(),
3080                         event.getAction(), fallbackAction.keyCode,
3081                         event.getRepeatCount(), fallbackAction.metaState,
3082                         event.getDeviceId(), event.getScanCode(),
3083                         flags, event.getSource(), null);
3084
3085                 if (!interceptFallback(win, fallbackEvent, policyFlags)) {
3086                     fallbackEvent.recycle();
3087                     fallbackEvent = null;
3088                 }
3089
3090                 if (initialDown) {
3091                     mFallbackActions.put(keyCode, fallbackAction);
3092                 } else if (event.getAction() == KeyEvent.ACTION_UP) {
3093                     mFallbackActions.remove(keyCode);
3094                     fallbackAction.recycle();
3095                 }
3096             }
3097         }
3098
3099         if (DEBUG_INPUT) {
3100             if (fallbackEvent == null) {
3101                 Slog.d(TAG, "No fallback.");
3102             } else {
3103                 Slog.d(TAG, "Performing fallback: " + fallbackEvent);
3104             }
3105         }
3106         return fallbackEvent;
3107     }
3108
3109     private boolean interceptFallback(WindowState win, KeyEvent fallbackEvent, int policyFlags) {
3110         int actions = interceptKeyBeforeQueueing(fallbackEvent, policyFlags);
3111         if ((actions & ACTION_PASS_TO_USER) != 0) {
3112             long delayMillis = interceptKeyBeforeDispatching(
3113                     win, fallbackEvent, policyFlags);
3114             if (delayMillis == 0) {
3115                 return true;
3116             }
3117         }
3118         return false;
3119     }
3120
3121     private void launchAssistLongPressAction() {
3122         performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
3123         sendCloseSystemWindows(SYSTEM_DIALOG_REASON_ASSIST);
3124
3125         // launch the search activity
3126         Intent intent = new Intent(Intent.ACTION_SEARCH_LONG_PRESS);
3127         intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
3128         try {
3129             // TODO: This only stops the factory-installed search manager.
3130             // Need to formalize an API to handle others
3131             SearchManager searchManager = getSearchManager();
3132             if (searchManager != null) {
3133                 searchManager.stopSearch();
3134             }
3135             startActivityAsUser(intent, UserHandle.CURRENT);
3136         } catch (ActivityNotFoundException e) {
3137             Slog.w(TAG, "No activity to handle assist long press action.", e);
3138         }
3139     }
3140
3141     private void launchAssistAction(String hint, int deviceId) {
3142         sendCloseSystemWindows(SYSTEM_DIALOG_REASON_ASSIST);
3143         if (!isUserSetupComplete()) {
3144             // Disable opening assist window during setup
3145             return;
3146         }
3147         Bundle args = null;
3148         if (deviceId > Integer.MIN_VALUE) {
3149             args = new Bundle();
3150             args.putInt(Intent.EXTRA_ASSIST_INPUT_DEVICE_ID, deviceId);
3151         }
3152         if ((mContext.getResources().getConfiguration().uiMode
3153                 & Configuration.UI_MODE_TYPE_MASK) == Configuration.UI_MODE_TYPE_TELEVISION) {
3154             // On TV, use legacy handling until assistants are implemented in the proper way.
3155             ((SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE))
3156                     .launchLegacyAssist(hint, UserHandle.myUserId(), args);
3157         } else {
3158             try {
3159                 if (hint != null) {
3160                     if (args == null) {
3161                         args = new Bundle();
3162                     }
3163                     args.putBoolean(hint, true);
3164                 }
3165                 IStatusBarService statusbar = getStatusBarService();
3166                 if (statusbar != null) {
3167                     statusbar.startAssist(args);
3168                 }
3169             } catch (RemoteException e) {
3170                 Slog.e(TAG, "RemoteException when starting assist", e);
3171                 // re-acquire status bar service next time it is needed.
3172                 mStatusBarService = null;
3173             }
3174         }
3175     }
3176
3177     private void startActivityAsUser(Intent intent, UserHandle handle) {
3178         if (isUserSetupComplete()) {
3179             mContext.startActivityAsUser(intent, handle);
3180         } else {
3181             Slog.i(TAG, "Not starting activity because user setup is in progress: " + intent);
3182         }
3183     }
3184
3185     private SearchManager getSearchManager() {
3186         if (mSearchManager == null) {
3187             mSearchManager = (SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE);
3188         }
3189         return mSearchManager;
3190     }
3191
3192     private void preloadRecentApps() {
3193         mPreloadedRecentApps = true;
3194         try {
3195             IStatusBarService statusbar = getStatusBarService();
3196             if (statusbar != null) {
3197                 statusbar.preloadRecentApps();
3198             }
3199         } catch (RemoteException e) {
3200             Slog.e(TAG, "RemoteException when preloading recent apps", e);
3201             // re-acquire status bar service next time it is needed.
3202             mStatusBarService = null;
3203         }
3204     }
3205
3206     private void cancelPreloadRecentApps() {
3207         if (mPreloadedRecentApps) {
3208             mPreloadedRecentApps = false;
3209             try {
3210                 IStatusBarService statusbar = getStatusBarService();
3211                 if (statusbar != null) {
3212                     statusbar.cancelPreloadRecentApps();
3213                 }
3214             } catch (RemoteException e) {
3215                 Slog.e(TAG, "RemoteException when cancelling recent apps preload", e);
3216                 // re-acquire status bar service next time it is needed.
3217                 mStatusBarService = null;
3218             }
3219         }
3220     }
3221
3222     private void toggleRecentApps() {
3223         mPreloadedRecentApps = false; // preloading no longer needs to be canceled
3224         try {
3225             IStatusBarService statusbar = getStatusBarService();
3226             if (statusbar != null) {
3227                 statusbar.toggleRecentApps();
3228             }
3229         } catch (RemoteException e) {
3230             Slog.e(TAG, "RemoteException when toggling recent apps", e);
3231             // re-acquire status bar service next time it is needed.
3232             mStatusBarService = null;
3233         }
3234     }
3235
3236     @Override
3237     public void showRecentApps() {
3238         mHandler.removeMessages(MSG_DISPATCH_SHOW_RECENTS);
3239         mHandler.sendEmptyMessage(MSG_DISPATCH_SHOW_RECENTS);
3240     }
3241
3242     private void showRecentApps(boolean triggeredFromAltTab) {
3243         mPreloadedRecentApps = false; // preloading no longer needs to be canceled
3244         try {
3245             IStatusBarService statusbar = getStatusBarService();
3246             if (statusbar != null) {
3247                 statusbar.showRecentApps(triggeredFromAltTab);
3248             }
3249         } catch (RemoteException e) {
3250             Slog.e(TAG, "RemoteException when showing recent apps", e);
3251             // re-acquire status bar service next time it is needed.
3252             mStatusBarService = null;
3253         }
3254     }
3255
3256     private void hideRecentApps(boolean triggeredFromAltTab, boolean triggeredFromHome) {
3257         mPreloadedRecentApps = false; // preloading no longer needs to be canceled
3258         try {
3259             IStatusBarService statusbar = getStatusBarService();
3260             if (statusbar != null) {
3261                 statusbar.hideRecentApps(triggeredFromAltTab, triggeredFromHome);
3262             }
3263         } catch (RemoteException e) {
3264             Slog.e(TAG, "RemoteException when closing recent apps", e);
3265             // re-acquire status bar service next time it is needed.
3266             mStatusBarService = null;
3267         }
3268     }
3269
3270     void launchHomeFromHotKey() {
3271         launchHomeFromHotKey(true /* awakenFromDreams */, true /*respectKeyguard*/);
3272     }
3273
3274     /**
3275      * A home key -> launch home action was detected.  Take the appropriate action
3276      * given the situation with the keyguard.
3277      */
3278     void launchHomeFromHotKey(final boolean awakenFromDreams, final boolean respectKeyguard) {
3279         if (respectKeyguard) {
3280             if (isKeyguardShowingAndNotOccluded()) {
3281                 // don't launch home if keyguard showing
3282                 return;
3283             }
3284
3285             if (!mHideLockScreen && mKeyguardDelegate.isInputRestricted()) {
3286                 // when in keyguard restricted mode, must first verify unlock
3287                 // before launching home
3288                 mKeyguardDelegate.verifyUnlock(new OnKeyguardExitResult() {
3289                     @Override
3290                     public void onKeyguardExitResult(boolean success) {
3291                         if (success) {
3292                             try {
3293                                 ActivityManagerNative.getDefault().stopAppSwitches();
3294                             } catch (RemoteException e) {
3295                             }
3296                             sendCloseSystemWindows(SYSTEM_DIALOG_REASON_HOME_KEY);
3297                             startDockOrHome(true /*fromHomeKey*/, awakenFromDreams);
3298                         }
3299                     }
3300                 });
3301                 return;
3302             }
3303         }
3304
3305         // no keyguard stuff to worry about, just launch home!
3306         try {
3307             ActivityManagerNative.getDefault().stopAppSwitches();
3308         } catch (RemoteException e) {
3309         }
3310         if (mRecentsVisible) {
3311             // Hide Recents and notify it to launch Home
3312             if (awakenFromDreams) {
3313                 awakenDreams();
3314             }
3315             sendCloseSystemWindows(SYSTEM_DIALOG_REASON_HOME_KEY);
3316             hideRecentApps(false, true);
3317         } else {
3318             // Otherwise, just launch Home
3319             sendCloseSystemWindows(SYSTEM_DIALOG_REASON_HOME_KEY);
3320             startDockOrHome(true /*fromHomeKey*/, awakenFromDreams);
3321         }
3322     }
3323
3324     private final Runnable mClearHideNavigationFlag = new Runnable() {
3325         @Override
3326         public void run() {
3327             synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
3328                 // Clear flags.
3329                 mForceClearedSystemUiFlags &=
3330                         ~View.SYSTEM_UI_FLAG_HIDE_NAVIGATION;
3331             }
3332             mWindowManagerFuncs.reevaluateStatusBarVisibility();
3333         }
3334     };
3335
3336     /**
3337      * Input handler used while nav bar is hidden.  Captures any touch on the screen,
3338      * to determine when the nav bar should be shown and prevent applications from
3339      * receiving those touches.
3340      */
3341     final class HideNavInputEventReceiver extends InputEventReceiver {
3342         public HideNavInputEventReceiver(InputChannel inputChannel, Looper looper) {
3343             super(inputChannel, looper);
3344         }
3345
3346         @Override
3347         public void onInputEvent(InputEvent event) {
3348             boolean handled = false;
3349             try {
3350                 if (event instanceof MotionEvent
3351                         && (event.getSource() & InputDevice.SOURCE_CLASS_POINTER) != 0) {
3352                     final MotionEvent motionEvent = (MotionEvent)event;
3353                     if (motionEvent.getAction() == MotionEvent.ACTION_DOWN) {
3354                         // When the user taps down, we re-show the nav bar.
3355                         boolean changed = false;
3356                         synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
3357                             // Any user activity always causes us to show the
3358                             // navigation controls, if they had been hidden.
3359                             // We also clear the low profile and only content
3360                             // flags so that tapping on the screen will atomically
3361                             // restore all currently hidden screen decorations.
3362                             int newVal = mResettingSystemUiFlags |
3363                                     View.SYSTEM_UI_FLAG_HIDE_NAVIGATION |
3364                                     View.SYSTEM_UI_FLAG_LOW_PROFILE |
3365                                     View.SYSTEM_UI_FLAG_FULLSCREEN;
3366                             if (mResettingSystemUiFlags != newVal) {
3367                                 mResettingSystemUiFlags = newVal;
3368                                 changed = true;
3369                             }
3370                             // We don't allow the system's nav bar to be hidden
3371                             // again for 1 second, to prevent applications from
3372                             // spamming us and keeping it from being shown.
3373                             newVal = mForceClearedSystemUiFlags |
3374                                     View.SYSTEM_UI_FLAG_HIDE_NAVIGATION;
3375                             if (mForceClearedSystemUiFlags != newVal) {
3376                                 mForceClearedSystemUiFlags = newVal;
3377                                 changed = true;
3378                                 mHandler.postDelayed(mClearHideNavigationFlag, 1000);
3379                             }
3380                         }
3381                         if (changed) {
3382                             mWindowManagerFuncs.reevaluateStatusBarVisibility();
3383                         }
3384                     }
3385                 }
3386             } finally {
3387                 finishInputEvent(event, handled);
3388             }
3389         }
3390     }
3391     final InputEventReceiver.Factory mHideNavInputEventReceiverFactory =
3392             new InputEventReceiver.Factory() {
3393         @Override
3394         public InputEventReceiver createInputEventReceiver(
3395                 InputChannel inputChannel, Looper looper) {
3396             return new HideNavInputEventReceiver(inputChannel, looper);
3397         }
3398     };
3399
3400     @Override
3401     public int adjustSystemUiVisibilityLw(int visibility) {
3402         mStatusBarController.adjustSystemUiVisibilityLw(mLastSystemUiFlags, visibility);
3403         mNavigationBarController.adjustSystemUiVisibilityLw(mLastSystemUiFlags, visibility);
3404         mRecentsVisible = (visibility & View.RECENT_APPS_VISIBLE) > 0;
3405
3406         // Reset any bits in mForceClearingStatusBarVisibility that
3407         // are now clear.
3408         mResettingSystemUiFlags &= visibility;
3409         // Clear any bits in the new visibility that are currently being
3410         // force cleared, before reporting it.
3411         return visibility & ~mResettingSystemUiFlags
3412                 & ~mForceClearedSystemUiFlags;
3413     }
3414
3415     @Override
3416     public void getInsetHintLw(WindowManager.LayoutParams attrs, int displayRotation,
3417             Rect outContentInsets, Rect outStableInsets, Rect outOutsets) {
3418         final int fl = PolicyControl.getWindowFlags(null, attrs);
3419         final int sysuiVis = PolicyControl.getSystemUiVisibility(null, attrs);
3420         final int systemUiVisibility = (sysuiVis | attrs.subtreeSystemUiVisibility);
3421
3422         final boolean useOutsets = outOutsets != null && shouldUseOutsets(attrs, fl);
3423         if (useOutsets) {
3424             int outset = ScreenShapeHelper.getWindowOutsetBottomPx(mContext.getResources());
3425             if (outset > 0) {
3426                 if (displayRotation == Surface.ROTATION_0) {
3427                     outOutsets.bottom += outset;
3428                 } else if (displayRotation == Surface.ROTATION_90) {
3429                     outOutsets.right += outset;
3430                 } else if (displayRotation == Surface.ROTATION_180) {
3431                     outOutsets.top += outset;
3432                 } else if (displayRotation == Surface.ROTATION_270) {
3433                     outOutsets.left += outset;
3434                 }
3435             }
3436         }
3437
3438         if ((fl & (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR))
3439                 == (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR)) {
3440             int availRight, availBottom;
3441             if (canHideNavigationBar() &&
3442                     (systemUiVisibility & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0) {
3443                 availRight = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
3444                 availBottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
3445             } else {
3446                 availRight = mRestrictedScreenLeft + mRestrictedScreenWidth;
3447                 availBottom = mRestrictedScreenTop + mRestrictedScreenHeight;
3448             }
3449             if ((systemUiVisibility & View.SYSTEM_UI_FLAG_LAYOUT_STABLE) != 0) {
3450                 if ((fl & FLAG_FULLSCREEN) != 0) {
3451                     outContentInsets.set(mStableFullscreenLeft, mStableFullscreenTop,
3452                             availRight - mStableFullscreenRight,
3453                             availBottom - mStableFullscreenBottom);
3454                 } else {
3455                     outContentInsets.set(mStableLeft, mStableTop,
3456                             availRight - mStableRight, availBottom - mStableBottom);
3457                 }
3458             } else if ((fl & FLAG_FULLSCREEN) != 0 || (fl & FLAG_LAYOUT_IN_OVERSCAN) != 0) {
3459                 outContentInsets.setEmpty();
3460             } else if ((systemUiVisibility & (View.SYSTEM_UI_FLAG_FULLSCREEN
3461                         | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN)) == 0) {
3462                 outContentInsets.set(mCurLeft, mCurTop,
3463                         availRight - mCurRight, availBottom - mCurBottom);
3464             } else {
3465                 outContentInsets.set(mCurLeft, mCurTop,
3466                         availRight - mCurRight, availBottom - mCurBottom);
3467             }
3468
3469             outStableInsets.set(mStableLeft, mStableTop,
3470                     availRight - mStableRight, availBottom - mStableBottom);
3471             return;
3472         }
3473         outContentInsets.setEmpty();
3474         outStableInsets.setEmpty();
3475     }
3476
3477     private boolean shouldUseOutsets(WindowManager.LayoutParams attrs, int fl) {
3478         return attrs.type == TYPE_WALLPAPER || (fl & (WindowManager.LayoutParams.FLAG_FULLSCREEN
3479                 | WindowManager.LayoutParams.FLAG_LAYOUT_IN_OVERSCAN)) != 0;
3480     }
3481
3482     /** {@inheritDoc} */
3483     @Override
3484     public void beginLayoutLw(boolean isDefaultDisplay, int displayWidth, int displayHeight,
3485                               int displayRotation) {
3486         mDisplayRotation = displayRotation;
3487         final int overscanLeft, overscanTop, overscanRight, overscanBottom;
3488         if (isDefaultDisplay) {
3489             switch (displayRotation) {
3490                 case Surface.ROTATION_90:
3491                     overscanLeft = mOverscanTop;
3492                     overscanTop = mOverscanRight;
3493                     overscanRight = mOverscanBottom;
3494                     overscanBottom = mOverscanLeft;
3495                     break;
3496                 case Surface.ROTATION_180:
3497                     overscanLeft = mOverscanRight;
3498                     overscanTop = mOverscanBottom;
3499                     overscanRight = mOverscanLeft;
3500                     overscanBottom = mOverscanTop;
3501                     break;
3502                 case Surface.ROTATION_270:
3503                     overscanLeft = mOverscanBottom;
3504                     overscanTop = mOverscanLeft;
3505                     overscanRight = mOverscanTop;
3506                     overscanBottom = mOverscanRight;
3507                     break;
3508                 default:
3509                     overscanLeft = mOverscanLeft;
3510                     overscanTop = mOverscanTop;
3511                     overscanRight = mOverscanRight;
3512                     overscanBottom = mOverscanBottom;
3513                     break;
3514             }
3515         } else {
3516             overscanLeft = 0;
3517             overscanTop = 0;
3518             overscanRight = 0;
3519             overscanBottom = 0;
3520         }
3521         mOverscanScreenLeft = mRestrictedOverscanScreenLeft = 0;
3522         mOverscanScreenTop = mRestrictedOverscanScreenTop = 0;
3523         mOverscanScreenWidth = mRestrictedOverscanScreenWidth = displayWidth;
3524         mOverscanScreenHeight = mRestrictedOverscanScreenHeight = displayHeight;
3525         mSystemLeft = 0;
3526         mSystemTop = 0;
3527         mSystemRight = displayWidth;
3528         mSystemBottom = displayHeight;
3529         mUnrestrictedScreenLeft = overscanLeft;
3530         mUnrestrictedScreenTop = overscanTop;
3531         mUnrestrictedScreenWidth = displayWidth - overscanLeft - overscanRight;
3532         mUnrestrictedScreenHeight = displayHeight - overscanTop - overscanBottom;
3533         mRestrictedScreenLeft = mUnrestrictedScreenLeft;
3534         mRestrictedScreenTop = mUnrestrictedScreenTop;
3535         mRestrictedScreenWidth = mSystemGestures.screenWidth = mUnrestrictedScreenWidth;
3536         mRestrictedScreenHeight = mSystemGestures.screenHeight = mUnrestrictedScreenHeight;
3537         mDockLeft = mContentLeft = mVoiceContentLeft = mStableLeft = mStableFullscreenLeft
3538                 = mCurLeft = mUnrestrictedScreenLeft;
3539         mDockTop = mContentTop = mVoiceContentTop = mStableTop = mStableFullscreenTop
3540                 = mCurTop = mUnrestrictedScreenTop;
3541         mDockRight = mContentRight = mVoiceContentRight = mStableRight = mStableFullscreenRight
3542                 = mCurRight = displayWidth - overscanRight;
3543         mDockBottom = mContentBottom = mVoiceContentBottom = mStableBottom = mStableFullscreenBottom
3544                 = mCurBottom = displayHeight - overscanBottom;
3545         mDockLayer = 0x10000000;
3546         mStatusBarLayer = -1;
3547
3548         // start with the current dock rect, which will be (0,0,displayWidth,displayHeight)
3549         final Rect pf = mTmpParentFrame;
3550         final Rect df = mTmpDisplayFrame;
3551         final Rect of = mTmpOverscanFrame;
3552         final Rect vf = mTmpVisibleFrame;
3553         final Rect dcf = mTmpDecorFrame;
3554         final Rect osf = mTmpOutsetFrame;
3555         pf.left = df.left = of.left = vf.left = mDockLeft;
3556         pf.top = df.top = of.top = vf.top = mDockTop;
3557         pf.right = df.right = of.right = vf.right = mDockRight;
3558         pf.bottom = df.bottom = of.bottom = vf.bottom = mDockBottom;
3559         dcf.setEmpty();  // Decor frame N/A for system bars.
3560
3561         if (isDefaultDisplay) {
3562             // For purposes of putting out fake window up to steal focus, we will
3563             // drive nav being hidden only by whether it is requested.
3564             final int sysui = mLastSystemUiFlags;
3565             boolean navVisible = (sysui & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) == 0;
3566             boolean navTranslucent = (sysui
3567                     & (View.NAVIGATION_BAR_TRANSLUCENT | View.SYSTEM_UI_TRANSPARENT)) != 0;
3568             boolean immersive = (sysui & View.SYSTEM_UI_FLAG_IMMERSIVE) != 0;
3569             boolean immersiveSticky = (sysui & View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY) != 0;
3570             boolean navAllowedHidden = immersive || immersiveSticky;
3571             navTranslucent &= !immersiveSticky;  // transient trumps translucent
3572             boolean isKeyguardShowing = isStatusBarKeyguard() && !mHideLockScreen;
3573             if (!isKeyguardShowing) {
3574                 navTranslucent &= areTranslucentBarsAllowed();
3575             }
3576
3577             // When the navigation bar isn't visible, we put up a fake
3578             // input window to catch all touch events.  This way we can
3579             // detect when the user presses anywhere to bring back the nav
3580             // bar and ensure the application doesn't see the event.
3581             if (navVisible || navAllowedHidden) {
3582                 if (mInputConsumer != null) {
3583                     mInputConsumer.dismiss();
3584                     mInputConsumer = null;
3585                 }
3586             } else if (mInputConsumer == null) {
3587                 mInputConsumer = mWindowManagerFuncs.addInputConsumer(mHandler.getLooper(),
3588                         mHideNavInputEventReceiverFactory);
3589             }
3590
3591             // For purposes of positioning and showing the nav bar, if we have
3592             // decided that it can't be hidden (because of the screen aspect ratio),
3593             // then take that into account.
3594             navVisible |= !canHideNavigationBar();
3595
3596             boolean updateSysUiVisibility = false;
3597             if (mNavigationBar != null) {
3598                 boolean transientNavBarShowing = mNavigationBarController.isTransientShowing();
3599                 // Force the navigation bar to its appropriate place and
3600                 // size.  We need to do this directly, instead of relying on
3601                 // it to bubble up from the nav bar, because this needs to
3602                 // change atomically with screen rotations.
3603                 mNavigationBarOnBottom = (!mNavigationBarCanMove || displayWidth < displayHeight);
3604                 if (mNavigationBarOnBottom) {
3605                     // It's a system nav bar or a portrait screen; nav bar goes on bottom.
3606                     int top = displayHeight - overscanBottom
3607                             - mNavigationBarHeightForRotation[displayRotation];
3608                     mTmpNavigationFrame.set(0, top, displayWidth, displayHeight - overscanBottom);
3609                     mStableBottom = mStableFullscreenBottom = mTmpNavigationFrame.top;
3610                     if (transientNavBarShowing) {
3611                         mNavigationBarController.setBarShowingLw(true);
3612                     } else if (navVisible) {
3613                         mNavigationBarController.setBarShowingLw(true);
3614                         mDockBottom = mTmpNavigationFrame.top;
3615                         mRestrictedScreenHeight = mDockBottom - mRestrictedScreenTop;
3616                         mRestrictedOverscanScreenHeight = mDockBottom - mRestrictedOverscanScreenTop;
3617                     } else {
3618                         // We currently want to hide the navigation UI.
3619                         mNavigationBarController.setBarShowingLw(false);
3620                     }
3621                     if (navVisible && !navTranslucent && !navAllowedHidden
3622                             && !mNavigationBar.isAnimatingLw()
3623                             && !mNavigationBarController.wasRecentlyTranslucent()) {
3624                         // If the opaque nav bar is currently requested to be visible,
3625                         // and not in the process of animating on or off, then
3626                         // we can tell the app that it is covered by it.
3627                         mSystemBottom = mTmpNavigationFrame.top;
3628                     }
3629                 } else {
3630                     // Landscape screen; nav bar goes to the right.
3631                     int left = displayWidth - overscanRight
3632                             - mNavigationBarWidthForRotation[displayRotation];
3633                     mTmpNavigationFrame.set(left, 0, displayWidth - overscanRight, displayHeight);
3634                     mStableRight = mStableFullscreenRight = mTmpNavigationFrame.left;
3635                     if (transientNavBarShowing) {
3636                         mNavigationBarController.setBarShowingLw(true);
3637                     } else if (navVisible) {
3638                         mNavigationBarController.setBarShowingLw(true);
3639                         mDockRight = mTmpNavigationFrame.left;
3640                         mRestrictedScreenWidth = mDockRight - mRestrictedScreenLeft;
3641                         mRestrictedOverscanScreenWidth = mDockRight - mRestrictedOverscanScreenLeft;
3642                     } else {
3643                         // We currently want to hide the navigation UI.
3644                         mNavigationBarController.setBarShowingLw(false);
3645                     }
3646                     if (navVisible && !navTranslucent && !navAllowedHidden
3647                             && !mNavigationBar.isAnimatingLw()
3648                             && !mNavigationBarController.wasRecentlyTranslucent()) {
3649                         // If the nav bar is currently requested to be visible,
3650                         // and not in the process of animating on or off, then
3651                         // we can tell the app that it is covered by it.
3652                         mSystemRight = mTmpNavigationFrame.left;
3653                     }
3654                 }
3655                 // Make sure the content and current rectangles are updated to
3656                 // account for the restrictions from the navigation bar.
3657                 mContentTop = mVoiceContentTop = mCurTop = mDockTop;
3658                 mContentBottom = mVoiceContentBottom = mCurBottom = mDockBottom;
3659                 mContentLeft = mVoiceContentLeft = mCurLeft = mDockLeft;
3660                 mContentRight = mVoiceContentRight = mCurRight = mDockRight;
3661                 mStatusBarLayer = mNavigationBar.getSurfaceLayer();
3662                 // And compute the final frame.
3663                 mNavigationBar.computeFrameLw(mTmpNavigationFrame, mTmpNavigationFrame,
3664                         mTmpNavigationFrame, mTmpNavigationFrame, mTmpNavigationFrame, dcf,
3665                         mTmpNavigationFrame, mTmpNavigationFrame);
3666                 if (DEBUG_LAYOUT) Slog.i(TAG, "mNavigationBar frame: " + mTmpNavigationFrame);
3667                 if (mNavigationBarController.checkHiddenLw()) {
3668                     updateSysUiVisibility = true;
3669                 }
3670             }
3671             if (DEBUG_LAYOUT) Slog.i(TAG, String.format("mDock rect: (%d,%d - %d,%d)",
3672                     mDockLeft, mDockTop, mDockRight, mDockBottom));
3673
3674             // decide where the status bar goes ahead of time
3675             if (mStatusBar != null) {
3676                 // apply any navigation bar insets
3677                 pf.left = df.left = of.left = mUnrestrictedScreenLeft;
3678                 pf.top = df.top = of.top = mUnrestrictedScreenTop;
3679                 pf.right = df.right = of.right = mUnrestrictedScreenWidth + mUnrestrictedScreenLeft;
3680                 pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenHeight
3681                         + mUnrestrictedScreenTop;
3682                 vf.left = mStableLeft;
3683                 vf.top = mStableTop;
3684                 vf.right = mStableRight;
3685                 vf.bottom = mStableBottom;
3686
3687                 mStatusBarLayer = mStatusBar.getSurfaceLayer();
3688
3689                 // Let the status bar determine its size.
3690                 mStatusBar.computeFrameLw(pf /* parentFrame */, df /* displayFrame */,
3691                         vf /* overlayFrame */, vf /* contentFrame */, vf /* visibleFrame */,
3692                         dcf /* decorFrame */, vf /* stableFrame */, vf /* outsetFrame */);
3693
3694                 // For layout, the status bar is always at the top with our fixed height.
3695                 mStableTop = mUnrestrictedScreenTop + mStatusBarHeight;
3696
3697                 boolean statusBarTransient = (sysui & View.STATUS_BAR_TRANSIENT) != 0;
3698                 boolean statusBarTranslucent = (sysui
3699                         & (View.STATUS_BAR_TRANSLUCENT | View.SYSTEM_UI_TRANSPARENT)) != 0;
3700                 if (!isKeyguardShowing) {
3701                     statusBarTranslucent &= areTranslucentBarsAllowed();
3702                 }
3703
3704                 // If the status bar is hidden, we don't want to cause
3705                 // windows behind it to scroll.
3706                 if (mStatusBar.isVisibleLw() && !statusBarTransient) {
3707                     // Status bar may go away, so the screen area it occupies
3708                     // is available to apps but just covering them when the
3709                     // status bar is visible.
3710                     mDockTop = mUnrestrictedScreenTop + mStatusBarHeight;
3711
3712                     mContentTop = mVoiceContentTop = mCurTop = mDockTop;
3713                     mContentBottom = mVoiceContentBottom = mCurBottom = mDockBottom;
3714                     mContentLeft = mVoiceContentLeft = mCurLeft = mDockLeft;
3715                     mContentRight = mVoiceContentRight = mCurRight = mDockRight;
3716
3717                     if (DEBUG_LAYOUT) Slog.v(TAG, "Status bar: " +
3718                         String.format(
3719                             "dock=[%d,%d][%d,%d] content=[%d,%d][%d,%d] cur=[%d,%d][%d,%d]",
3720                             mDockLeft, mDockTop, mDockRight, mDockBottom,
3721                             mContentLeft, mContentTop, mContentRight, mContentBottom,
3722                             mCurLeft, mCurTop, mCurRight, mCurBottom));
3723                 }
3724                 if (mStatusBar.isVisibleLw() && !mStatusBar.isAnimatingLw()
3725                         && !statusBarTransient && !statusBarTranslucent
3726                         && !mStatusBarController.wasRecentlyTranslucent()) {
3727                     // If the opaque status bar is currently requested to be visible,
3728                     // and not in the process of animating on or off, then
3729                     // we can tell the app that it is covered by it.
3730                     mSystemTop = mUnrestrictedScreenTop + mStatusBarHeight;
3731                 }
3732                 if (mStatusBarController.checkHiddenLw()) {
3733                     updateSysUiVisibility = true;
3734                 }
3735             }
3736             if (updateSysUiVisibility) {
3737                 updateSystemUiVisibilityLw();
3738             }
3739         }
3740     }
3741
3742     /** {@inheritDoc} */
3743     @Override
3744     public int getSystemDecorLayerLw() {
3745         if (mStatusBar != null && mStatusBar.isVisibleLw()) {
3746             return mStatusBar.getSurfaceLayer();
3747         }
3748
3749         if (mNavigationBar != null && mNavigationBar.isVisibleLw()) {
3750             return mNavigationBar.getSurfaceLayer();
3751         }
3752
3753         return 0;
3754     }
3755
3756     @Override
3757     public void getContentRectLw(Rect r) {
3758         r.set(mContentLeft, mContentTop, mContentRight, mContentBottom);
3759     }
3760
3761     void setAttachedWindowFrames(WindowState win, int fl, int adjust, WindowState attached,
3762             boolean insetDecors, Rect pf, Rect df, Rect of, Rect cf, Rect vf) {
3763         if (win.getSurfaceLayer() > mDockLayer && attached.getSurfaceLayer() < mDockLayer) {
3764             // Here's a special case: if this attached window is a panel that is
3765             // above the dock window, and the window it is attached to is below
3766             // the dock window, then the frames we computed for the window it is
3767             // attached to can not be used because the dock is effectively part
3768             // of the underlying window and the attached window is floating on top
3769             // of the whole thing.  So, we ignore the attached window and explicitly
3770             // compute the frames that would be appropriate without the dock.
3771             df.left = of.left = cf.left = vf.left = mDockLeft;
3772             df.top = of.top = cf.top = vf.top = mDockTop;
3773             df.right = of.right = cf.right = vf.right = mDockRight;
3774             df.bottom = of.bottom = cf.bottom = vf.bottom = mDockBottom;
3775         } else {
3776             // The effective display frame of the attached window depends on
3777             // whether it is taking care of insetting its content.  If not,
3778             // we need to use the parent's content frame so that the entire
3779             // window is positioned within that content.  Otherwise we can use
3780             // the overscan frame and let the attached window take care of
3781             // positioning its content appropriately.
3782             if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
3783                 // Set the content frame of the attached window to the parent's decor frame
3784                 // (same as content frame when IME isn't present) if specifically requested by
3785                 // setting {@link WindowManager.LayoutParams#FLAG_LAYOUT_ATTACHED_IN_DECOR} flag.
3786                 // Otherwise, use the overscan frame.
3787                 cf.set((fl & FLAG_LAYOUT_ATTACHED_IN_DECOR) != 0
3788                         ? attached.getContentFrameLw() : attached.getOverscanFrameLw());
3789             } else {
3790                 // If the window is resizing, then we want to base the content
3791                 // frame on our attached content frame to resize...  however,
3792                 // things can be tricky if the attached window is NOT in resize
3793                 // mode, in which case its content frame will be larger.
3794                 // Ungh.  So to deal with that, make sure the content frame
3795                 // we end up using is not covering the IM dock.
3796                 cf.set(attached.getContentFrameLw());
3797                 if (attached.isVoiceInteraction()) {
3798                     if (cf.left < mVoiceContentLeft) cf.left = mVoiceContentLeft;
3799                     if (cf.top < mVoiceContentTop) cf.top = mVoiceContentTop;
3800                     if (cf.right > mVoiceContentRight) cf.right = mVoiceContentRight;
3801                     if (cf.bottom > mVoiceContentBottom) cf.bottom = mVoiceContentBottom;
3802                 } else if (attached.getSurfaceLayer() < mDockLayer) {
3803                     if (cf.left < mContentLeft) cf.left = mContentLeft;
3804                     if (cf.top < mContentTop) cf.top = mContentTop;
3805                     if (cf.right > mContentRight) cf.right = mContentRight;
3806                     if (cf.bottom > mContentBottom) cf.bottom = mContentBottom;
3807                 }
3808             }
3809             df.set(insetDecors ? attached.getDisplayFrameLw() : cf);
3810             of.set(insetDecors ? attached.getOverscanFrameLw() : cf);
3811             vf.set(attached.getVisibleFrameLw());
3812         }
3813         // The LAYOUT_IN_SCREEN flag is used to determine whether the attached
3814         // window should be positioned relative to its parent or the entire
3815         // screen.
3816         pf.set((fl & FLAG_LAYOUT_IN_SCREEN) == 0
3817                 ? attached.getFrameLw() : df);
3818     }
3819
3820     private void applyStableConstraints(int sysui, int fl, Rect r) {
3821         if ((sysui & View.SYSTEM_UI_FLAG_LAYOUT_STABLE) != 0) {
3822             // If app is requesting a stable layout, don't let the
3823             // content insets go below the stable values.
3824             if ((fl & FLAG_FULLSCREEN) != 0) {
3825                 if (r.left < mStableFullscreenLeft) r.left = mStableFullscreenLeft;
3826                 if (r.top < mStableFullscreenTop) r.top = mStableFullscreenTop;
3827                 if (r.right > mStableFullscreenRight) r.right = mStableFullscreenRight;
3828                 if (r.bottom > mStableFullscreenBottom) r.bottom = mStableFullscreenBottom;
3829             } else {
3830                 if (r.left < mStableLeft) r.left = mStableLeft;
3831                 if (r.top < mStableTop) r.top = mStableTop;
3832                 if (r.right > mStableRight) r.right = mStableRight;
3833                 if (r.bottom > mStableBottom) r.bottom = mStableBottom;
3834             }
3835         }
3836     }
3837
3838     private boolean canReceiveInput(WindowState win) {
3839         boolean notFocusable =
3840                 (win.getAttrs().flags & WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE) != 0;
3841         boolean altFocusableIm =
3842                 (win.getAttrs().flags & WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM) != 0;
3843         boolean notFocusableForIm = notFocusable ^ altFocusableIm;
3844         return !notFocusableForIm;
3845     }
3846
3847     /** {@inheritDoc} */
3848     @Override
3849     public void layoutWindowLw(WindowState win, WindowState attached) {
3850         // We've already done the navigation bar and status bar. If the status bar can receive
3851         // input, we need to layout it again to accomodate for the IME window.
3852         if ((win == mStatusBar && !canReceiveInput(win)) || win == mNavigationBar) {
3853             return;
3854         }
3855         final WindowManager.LayoutParams attrs = win.getAttrs();
3856         final boolean isDefaultDisplay = win.isDefaultDisplay();
3857         final boolean needsToOffsetInputMethodTarget = isDefaultDisplay &&
3858                 (win == mLastInputMethodTargetWindow && mLastInputMethodWindow != null);
3859         if (needsToOffsetInputMethodTarget) {
3860             if (DEBUG_LAYOUT) Slog.i(TAG, "Offset ime target window by the last ime window state");
3861             offsetInputMethodWindowLw(mLastInputMethodWindow);
3862         }
3863
3864         final int fl = PolicyControl.getWindowFlags(win, attrs);
3865         final int sim = attrs.softInputMode;
3866         final int sysUiFl = PolicyControl.getSystemUiVisibility(win, null);
3867
3868         final Rect pf = mTmpParentFrame;
3869         final Rect df = mTmpDisplayFrame;
3870         final Rect of = mTmpOverscanFrame;
3871         final Rect cf = mTmpContentFrame;
3872         final Rect vf = mTmpVisibleFrame;
3873         final Rect dcf = mTmpDecorFrame;
3874         final Rect sf = mTmpStableFrame;
3875         Rect osf = null;
3876         dcf.setEmpty();
3877
3878         final boolean hasNavBar = (isDefaultDisplay && mHasNavigationBar
3879                 && mNavigationBar != null && mNavigationBar.isVisibleLw());
3880
3881         final int adjust = sim & SOFT_INPUT_MASK_ADJUST;
3882
3883         if (isDefaultDisplay) {
3884             sf.set(mStableLeft, mStableTop, mStableRight, mStableBottom);
3885         } else {
3886             sf.set(mOverscanLeft, mOverscanTop, mOverscanRight, mOverscanBottom);
3887         }
3888
3889         if (!isDefaultDisplay) {
3890             if (attached != null) {
3891                 // If this window is attached to another, our display
3892                 // frame is the same as the one we are attached to.
3893                 setAttachedWindowFrames(win, fl, adjust, attached, true, pf, df, of, cf, vf);
3894             } else {
3895                 // Give the window full screen.
3896                 pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
3897                 pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
3898                 pf.right = df.right = of.right = cf.right
3899                         = mOverscanScreenLeft + mOverscanScreenWidth;
3900                 pf.bottom = df.bottom = of.bottom = cf.bottom
3901                         = mOverscanScreenTop + mOverscanScreenHeight;
3902             }
3903         } else if (attrs.type == TYPE_INPUT_METHOD) {
3904             pf.left = df.left = of.left = cf.left = vf.left = mDockLeft;
3905             pf.top = df.top = of.top = cf.top = vf.top = mDockTop;
3906             pf.right = df.right = of.right = cf.right = vf.right = mDockRight;
3907             // IM dock windows layout below the nav bar...
3908             pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
3909             // ...with content insets above the nav bar
3910             cf.bottom = vf.bottom = mStableBottom;
3911             // IM dock windows always go to the bottom of the screen.
3912             attrs.gravity = Gravity.BOTTOM;
3913             mDockLayer = win.getSurfaceLayer();
3914         } else if (attrs.type == TYPE_VOICE_INTERACTION) {
3915             pf.left = df.left = of.left = mUnrestrictedScreenLeft;
3916             pf.top = df.top = of.top = mUnrestrictedScreenTop;
3917             pf.right = df.right = of.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
3918             pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
3919             cf.bottom = vf.bottom = mStableBottom;
3920             // Note: In Phone landscape mode, the button bar should also be excluded.
3921             cf.right = vf.right = mStableRight;
3922             cf.left = vf.left = mStableLeft;
3923             cf.top = vf.top = mStableTop;
3924         } else if (win == mStatusBar) {
3925             pf.left = df.left = of.left = mUnrestrictedScreenLeft;
3926             pf.top = df.top = of.top = mUnrestrictedScreenTop;
3927             pf.right = df.right = of.right = mUnrestrictedScreenWidth + mUnrestrictedScreenLeft;
3928             pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenHeight + mUnrestrictedScreenTop;
3929             cf.left = vf.left = mStableLeft;
3930             cf.top = vf.top = mStableTop;
3931             cf.right = vf.right = mStableRight;
3932             vf.bottom = mStableBottom;
3933             cf.bottom = mContentBottom;
3934         } else {
3935
3936             // Default policy decor for the default display
3937             dcf.left = mSystemLeft;
3938             dcf.top = mSystemTop;
3939             dcf.right = mSystemRight;
3940             dcf.bottom = mSystemBottom;
3941             final boolean inheritTranslucentDecor = (attrs.privateFlags
3942                     & WindowManager.LayoutParams.PRIVATE_FLAG_INHERIT_TRANSLUCENT_DECOR) != 0;
3943             final boolean isAppWindow =
3944                     attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW &&
3945                     attrs.type <= WindowManager.LayoutParams.LAST_APPLICATION_WINDOW;
3946             final boolean topAtRest =
3947                     win == mTopFullscreenOpaqueWindowState && !win.isAnimatingLw();
3948             if (isAppWindow && !inheritTranslucentDecor && !topAtRest) {
3949                 if ((sysUiFl & View.SYSTEM_UI_FLAG_FULLSCREEN) == 0
3950                         && (fl & WindowManager.LayoutParams.FLAG_FULLSCREEN) == 0
3951                         && (fl & WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS) == 0
3952                         && (fl & WindowManager.LayoutParams.
3953                                 FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) == 0) {
3954                     // Ensure policy decor includes status bar
3955                     dcf.top = mStableTop;
3956                 }
3957                 if ((fl & WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION) == 0
3958                         && (sysUiFl & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) == 0
3959                         && (fl & WindowManager.LayoutParams.
3960                                 FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) == 0) {
3961                     // Ensure policy decor includes navigation bar
3962                     dcf.bottom = mStableBottom;
3963                     dcf.right = mStableRight;
3964                 }
3965             }
3966
3967             if ((fl & (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR))
3968                     == (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR)) {
3969                 if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle()
3970                             + "): IN_SCREEN, INSET_DECOR");
3971                 // This is the case for a normal activity window: we want it
3972                 // to cover all of the screen space, and it can take care of
3973                 // moving its contents to account for screen decorations that
3974                 // intrude into that space.
3975                 if (attached != null) {
3976                     // If this window is attached to another, our display
3977                     // frame is the same as the one we are attached to.
3978                     setAttachedWindowFrames(win, fl, adjust, attached, true, pf, df, of, cf, vf);
3979                 } else {
3980                     if (attrs.type == TYPE_STATUS_BAR_PANEL
3981                             || attrs.type == TYPE_STATUS_BAR_SUB_PANEL) {
3982                         // Status bar panels are the only windows who can go on top of
3983                         // the status bar.  They are protected by the STATUS_BAR_SERVICE
3984                         // permission, so they have the same privileges as the status
3985                         // bar itself.
3986                         //
3987                         // However, they should still dodge the navigation bar if it exists.
3988
3989                         pf.left = df.left = of.left = hasNavBar
3990                                 ? mDockLeft : mUnrestrictedScreenLeft;
3991                         pf.top = df.top = of.top = mUnrestrictedScreenTop;
3992                         pf.right = df.right = of.right = hasNavBar
3993                                 ? mRestrictedScreenLeft+mRestrictedScreenWidth
3994                                 : mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
3995                         pf.bottom = df.bottom = of.bottom = hasNavBar
3996                                 ? mRestrictedScreenTop+mRestrictedScreenHeight
3997                                 : mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
3998
3999                         if (DEBUG_LAYOUT) Slog.v(TAG, String.format(
4000                                         "Laying out status bar window: (%d,%d - %d,%d)",
4001                                         pf.left, pf.top, pf.right, pf.bottom));
4002                     } else if ((fl & FLAG_LAYOUT_IN_OVERSCAN) != 0
4003                             && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
4004                             && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
4005                         // Asking to layout into the overscan region, so give it that pure
4006                         // unrestricted area.
4007                         pf.left = df.left = of.left = mOverscanScreenLeft;
4008                         pf.top = df.top = of.top = mOverscanScreenTop;
4009                         pf.right = df.right = of.right = mOverscanScreenLeft + mOverscanScreenWidth;
4010                         pf.bottom = df.bottom = of.bottom = mOverscanScreenTop
4011                                 + mOverscanScreenHeight;
4012                     } else if (canHideNavigationBar()
4013                             && (sysUiFl & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0
4014                             && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
4015                             && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
4016                         // Asking for layout as if the nav bar is hidden, lets the
4017                         // application extend into the unrestricted overscan screen area.  We
4018                         // only do this for application windows to ensure no window that
4019                         // can be above the nav bar can do this.
4020                         pf.left = df.left = mOverscanScreenLeft;
4021                         pf.top = df.top = mOverscanScreenTop;
4022                         pf.right = df.right = mOverscanScreenLeft + mOverscanScreenWidth;
4023                         pf.bottom = df.bottom = mOverscanScreenTop + mOverscanScreenHeight;
4024                         // We need to tell the app about where the frame inside the overscan
4025                         // is, so it can inset its content by that amount -- it didn't ask
4026                         // to actually extend itself into the overscan region.
4027                         of.left = mUnrestrictedScreenLeft;
4028                         of.top = mUnrestrictedScreenTop;
4029                         of.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4030                         of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4031                     } else {
4032                         pf.left = df.left = mRestrictedOverscanScreenLeft;
4033                         pf.top = df.top = mRestrictedOverscanScreenTop;
4034                         pf.right = df.right = mRestrictedOverscanScreenLeft
4035                                 + mRestrictedOverscanScreenWidth;
4036                         pf.bottom = df.bottom = mRestrictedOverscanScreenTop
4037                                 + mRestrictedOverscanScreenHeight;
4038                         // We need to tell the app about where the frame inside the overscan
4039                         // is, so it can inset its content by that amount -- it didn't ask
4040                         // to actually extend itself into the overscan region.
4041                         of.left = mUnrestrictedScreenLeft;
4042                         of.top = mUnrestrictedScreenTop;
4043                         of.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4044                         of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4045                     }
4046
4047                     if ((fl & FLAG_FULLSCREEN) == 0) {
4048                         if (win.isVoiceInteraction()) {
4049                             cf.left = mVoiceContentLeft;
4050                             cf.top = mVoiceContentTop;
4051                             cf.right = mVoiceContentRight;
4052                             cf.bottom = mVoiceContentBottom;
4053                         } else {
4054                             if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
4055                                 cf.left = mDockLeft;
4056                                 cf.top = mDockTop;
4057                                 cf.right = mDockRight;
4058                                 cf.bottom = mDockBottom;
4059                             } else {
4060                                 cf.left = mContentLeft;
4061                                 cf.top = mContentTop;
4062                                 cf.right = mContentRight;
4063                                 cf.bottom = mContentBottom;
4064                             }
4065                         }
4066                     } else {
4067                         // Full screen windows are always given a layout that is as if the
4068                         // status bar and other transient decors are gone.  This is to avoid
4069                         // bad states when moving from a window that is not hding the
4070                         // status bar to one that is.
4071                         cf.left = mRestrictedScreenLeft;
4072                         cf.top = mRestrictedScreenTop;
4073                         cf.right = mRestrictedScreenLeft + mRestrictedScreenWidth;
4074                         cf.bottom = mRestrictedScreenTop + mRestrictedScreenHeight;
4075                     }
4076                     applyStableConstraints(sysUiFl, fl, cf);
4077                     if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
4078                         vf.left = mCurLeft;
4079                         vf.top = mCurTop;
4080                         vf.right = mCurRight;
4081                         vf.bottom = mCurBottom;
4082                     } else {
4083                         vf.set(cf);
4084                     }
4085                 }
4086             } else if ((fl & FLAG_LAYOUT_IN_SCREEN) != 0 || (sysUiFl
4087                     & (View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
4088                             | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION)) != 0) {
4089                 if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle() +
4090                         "): IN_SCREEN");
4091                 // A window that has requested to fill the entire screen just
4092                 // gets everything, period.
4093                 if (attrs.type == TYPE_STATUS_BAR_PANEL
4094                         || attrs.type == TYPE_STATUS_BAR_SUB_PANEL
4095                         || attrs.type == TYPE_VOLUME_OVERLAY) {
4096                     pf.left = df.left = of.left = cf.left = hasNavBar
4097                             ? mDockLeft : mUnrestrictedScreenLeft;
4098                     pf.top = df.top = of.top = cf.top = mUnrestrictedScreenTop;
4099                     pf.right = df.right = of.right = cf.right = hasNavBar
4100                                         ? mRestrictedScreenLeft+mRestrictedScreenWidth
4101                                         : mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4102                     pf.bottom = df.bottom = of.bottom = cf.bottom = hasNavBar
4103                                           ? mRestrictedScreenTop+mRestrictedScreenHeight
4104                                           : mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4105                     if (DEBUG_LAYOUT) Slog.v(TAG, String.format(
4106                                     "Laying out IN_SCREEN status bar window: (%d,%d - %d,%d)",
4107                                     pf.left, pf.top, pf.right, pf.bottom));
4108                 } else if (attrs.type == TYPE_NAVIGATION_BAR
4109                         || attrs.type == TYPE_NAVIGATION_BAR_PANEL) {
4110                     // The navigation bar has Real Ultimate Power.
4111                     pf.left = df.left = of.left = mUnrestrictedScreenLeft;
4112                     pf.top = df.top = of.top = mUnrestrictedScreenTop;
4113                     pf.right = df.right = of.right = mUnrestrictedScreenLeft
4114                             + mUnrestrictedScreenWidth;
4115                     pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenTop
4116                             + mUnrestrictedScreenHeight;
4117                     if (DEBUG_LAYOUT) Slog.v(TAG, String.format(
4118                                     "Laying out navigation bar window: (%d,%d - %d,%d)",
4119                                     pf.left, pf.top, pf.right, pf.bottom));
4120                 } else if ((attrs.type == TYPE_SECURE_SYSTEM_OVERLAY
4121                                 || attrs.type == TYPE_BOOT_PROGRESS)
4122                         && ((fl & FLAG_FULLSCREEN) != 0)) {
4123                     // Fullscreen secure system overlays get what they ask for.
4124                     pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
4125                     pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
4126                     pf.right = df.right = of.right = cf.right = mOverscanScreenLeft
4127                             + mOverscanScreenWidth;
4128                     pf.bottom = df.bottom = of.bottom = cf.bottom = mOverscanScreenTop
4129                             + mOverscanScreenHeight;
4130                 } else if (attrs.type == TYPE_BOOT_PROGRESS) {
4131                     // Boot progress screen always covers entire display.
4132                     pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
4133                     pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
4134                     pf.right = df.right = of.right = cf.right = mOverscanScreenLeft
4135                             + mOverscanScreenWidth;
4136                     pf.bottom = df.bottom = of.bottom = cf.bottom = mOverscanScreenTop
4137                             + mOverscanScreenHeight;
4138                 } else if (attrs.type == TYPE_WALLPAPER) {
4139                     // The wallpaper also has Real Ultimate Power, but we want to tell
4140                     // it about the overscan area.
4141                     pf.left = df.left = mOverscanScreenLeft;
4142                     pf.top = df.top = mOverscanScreenTop;
4143                     pf.right = df.right = mOverscanScreenLeft + mOverscanScreenWidth;
4144                     pf.bottom = df.bottom = mOverscanScreenTop + mOverscanScreenHeight;
4145                     of.left = cf.left = mUnrestrictedScreenLeft;
4146                     of.top = cf.top = mUnrestrictedScreenTop;
4147                     of.right = cf.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
4148                     of.bottom = cf.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
4149                 } else if ((fl & FLAG_LAYOUT_IN_OVERSCAN) != 0
4150                         && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
4151                         && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
4152                     // Asking to layout into the overscan region, so give it that pure
4153                     // unrestricted area.
4154                     pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
4155                     pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
4156                     pf.right = df.right = of.right = cf.right
4157                             = mOverscanScreenLeft + mOverscanScreenWidth;
4158                     pf.bottom = df.bottom = of.bottom = cf.bottom
4159                             = mOverscanScreenTop + mOverscanScreenHeight;
4160                 } else if (canHideNavigationBar()
4161                         && (sysUiFl & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0
4162                         && (attrs.type == TYPE_STATUS_BAR
4163                             || attrs.type == TYPE_TOAST
4164                             || attrs.type == TYPE_VOICE_INTERACTION_STARTING
4165                             || (attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
4166                             && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW))) {
4167                     // Asking for layout as if the nav bar is hidden, lets the
4168                     // application extend into the unrestricted screen area.  We
4169                     // only do this for application windows (or toasts) to ensure no window that
4170                     // can be above the nav bar can do this.
4171                     // XXX This assumes that an app asking for this will also
4172                     // ask for layout in only content.  We can't currently figure out
4173                     // what the screen would be if only laying out to hide the nav bar.
4174                     pf.left = df.left = of.left = cf.left = mUnrestrictedScreenLeft;
4175                     pf.top = df.top = of.top = cf.top = mUnrestrictedScreenTop;
4176                     pf.right = df.right = of.right = cf.right = mUnrestrictedScreenLeft
4177                             + mUnrestrictedScreenWidth;
4178                     pf.bottom = df.bottom = of.bottom = cf.bottom = mUnrestrictedScreenTop
4179                             + mUnrestrictedScreenHeight;
4180                 } else {
4181                     pf.left = df.left = of.left = cf.left = mRestrictedScreenLeft;
4182                     pf.top = df.top = of.top = cf.top = mRestrictedScreenTop;
4183                     pf.right = df.right = of.right = cf.right = mRestrictedScreenLeft
4184                             + mRestrictedScreenWidth;
4185                     pf.bottom = df.bottom = of.bottom = cf.bottom = mRestrictedScreenTop
4186                             + mRestrictedScreenHeight;
4187                 }
4188
4189                 applyStableConstraints(sysUiFl, fl, cf);
4190
4191                 if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
4192                     vf.left = mCurLeft;
4193                     vf.top = mCurTop;
4194                     vf.right = mCurRight;
4195                     vf.bottom = mCurBottom;
4196                 } else {
4197                     vf.set(cf);
4198                 }
4199             } else if (attached != null) {
4200                 if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle() +
4201                         "): attached to " + attached);
4202                 // A child window should be placed inside of the same visible
4203                 // frame that its parent had.
4204                 setAttachedWindowFrames(win, fl, adjust, attached, false, pf, df, of, cf, vf);
4205             } else {
4206                 if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle() +
4207                         "): normal window");
4208                 // Otherwise, a normal window must be placed inside the content
4209                 // of all screen decorations.
4210                 if (attrs.type == TYPE_STATUS_BAR_PANEL || attrs.type == TYPE_VOLUME_OVERLAY) {
4211                     // Status bar panels and the volume dialog are the only windows who can go on
4212                     // top of the status bar.  They are protected by the STATUS_BAR_SERVICE
4213                     // permission, so they have the same privileges as the status
4214                     // bar itself.
4215                     pf.left = df.left = of.left = cf.left = mRestrictedScreenLeft;
4216                     pf.top = df.top = of.top = cf.top = mRestrictedScreenTop;
4217                     pf.right = df.right = of.right = cf.right = mRestrictedScreenLeft
4218                             + mRestrictedScreenWidth;
4219                     pf.bottom = df.bottom = of.bottom = cf.bottom = mRestrictedScreenTop
4220                             + mRestrictedScreenHeight;
4221                 } else if (attrs.type == TYPE_TOAST || attrs.type == TYPE_SYSTEM_ALERT) {
4222                     // These dialogs are stable to interim decor changes.
4223                     pf.left = df.left = of.left = cf.left = mStableLeft;
4224                     pf.top = df.top = of.top = cf.top = mStableTop;
4225                     pf.right = df.right = of.right = cf.right = mStableRight;
4226                     pf.bottom = df.bottom = of.bottom = cf.bottom = mStableBottom;
4227                 } else {
4228                     pf.left = mContentLeft;
4229                     pf.top = mContentTop;
4230                     pf.right = mContentRight;
4231                     pf.bottom = mContentBottom;
4232                     if (win.isVoiceInteraction()) {
4233                         df.left = of.left = cf.left = mVoiceContentLeft;
4234                         df.top = of.top = cf.top = mVoiceContentTop;
4235                         df.right = of.right = cf.right = mVoiceContentRight;
4236                         df.bottom = of.bottom = cf.bottom = mVoiceContentBottom;
4237                     } else if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
4238                         df.left = of.left = cf.left = mDockLeft;
4239                         df.top = of.top = cf.top = mDockTop;
4240                         df.right = of.right = cf.right = mDockRight;
4241                         df.bottom = of.bottom = cf.bottom = mDockBottom;
4242                     } else {
4243                         df.left = of.left = cf.left = mContentLeft;
4244                         df.top = of.top = cf.top = mContentTop;
4245                         df.right = of.right = cf.right = mContentRight;
4246                         df.bottom = of.bottom = cf.bottom = mContentBottom;
4247                     }
4248                     if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
4249                         vf.left = mCurLeft;
4250                         vf.top = mCurTop;
4251                         vf.right = mCurRight;
4252                         vf.bottom = mCurBottom;
4253                     } else {
4254                         vf.set(cf);
4255                     }
4256                 }
4257             }
4258         }
4259
4260         // TYPE_SYSTEM_ERROR is above the NavigationBar so it can't be allowed to extend over it.
4261         if ((fl & FLAG_LAYOUT_NO_LIMITS) != 0 && attrs.type != TYPE_SYSTEM_ERROR) {
4262             df.left = df.top = -10000;
4263             df.right = df.bottom = 10000;
4264             if (attrs.type != TYPE_WALLPAPER) {
4265                 of.left = of.top = cf.left = cf.top = vf.left = vf.top = -10000;
4266                 of.right = of.bottom = cf.right = cf.bottom = vf.right = vf.bottom = 10000;
4267             }
4268         }
4269
4270         // If the device has a chin (e.g. some watches), a dead area at the bottom of the screen we
4271         // need to provide information to the clients that want to pretend that you can draw there.
4272         // We only want to apply outsets to certain types of windows. For example, we never want to
4273         // apply the outsets to floating dialogs, because they wouldn't make sense there.
4274         final boolean useOutsets = shouldUseOutsets(attrs, fl);
4275         if (isDefaultDisplay && useOutsets) {
4276             osf = mTmpOutsetFrame;
4277             osf.set(cf.left, cf.top, cf.right, cf.bottom);
4278             int outset = ScreenShapeHelper.getWindowOutsetBottomPx(mContext.getResources());
4279             if (outset > 0) {
4280                 int rotation = mDisplayRotation;
4281                 if (rotation == Surface.ROTATION_0) {
4282                     osf.bottom += outset;
4283                 } else if (rotation == Surface.ROTATION_90) {
4284                     osf.right += outset;
4285                 } else if (rotation == Surface.ROTATION_180) {
4286                     osf.top -= outset;
4287                 } else if (rotation == Surface.ROTATION_270) {
4288                     osf.left -= outset;
4289                 }
4290                 if (DEBUG_LAYOUT) Slog.v(TAG, "applying bottom outset of " + outset
4291                         + " with rotation " + rotation + ", result: " + osf);
4292             }
4293         }
4294
4295         if (DEBUG_LAYOUT) Slog.v(TAG, "Compute frame " + attrs.getTitle()
4296                 + ": sim=#" + Integer.toHexString(sim)
4297                 + " attach=" + attached + " type=" + attrs.type
4298                 + String.format(" flags=0x%08x", fl)
4299                 + " pf=" + pf.toShortString() + " df=" + df.toShortString()
4300                 + " of=" + of.toShortString()
4301                 + " cf=" + cf.toShortString() + " vf=" + vf.toShortString()
4302                 + " dcf=" + dcf.toShortString()
4303                 + " sf=" + sf.toShortString()
4304                 + " osf=" + (osf == null ? "null" : osf.toShortString()));
4305
4306         win.computeFrameLw(pf, df, of, cf, vf, dcf, sf, osf);
4307
4308         // Dock windows carve out the bottom of the screen, so normal windows
4309         // can't appear underneath them.
4310         if (attrs.type == TYPE_INPUT_METHOD && win.isVisibleOrBehindKeyguardLw()
4311                 && !win.getGivenInsetsPendingLw()) {
4312             setLastInputMethodWindowLw(null, null);
4313             offsetInputMethodWindowLw(win);
4314         }
4315         if (attrs.type == TYPE_VOICE_INTERACTION && win.isVisibleOrBehindKeyguardLw()
4316                 && !win.getGivenInsetsPendingLw()) {
4317             offsetVoiceInputWindowLw(win);
4318         }
4319     }
4320
4321     private void offsetInputMethodWindowLw(WindowState win) {
4322         int top = Math.max(win.getDisplayFrameLw().top, win.getContentFrameLw().top);
4323         top += win.getGivenContentInsetsLw().top;
4324         if (mContentBottom > top) {
4325             mContentBottom = top;
4326         }
4327         if (mVoiceContentBottom > top) {
4328             mVoiceContentBottom = top;
4329         }
4330         top = win.getVisibleFrameLw().top;
4331         top += win.getGivenVisibleInsetsLw().top;
4332         if (mCurBottom > top) {
4333             mCurBottom = top;
4334         }
4335         if (DEBUG_LAYOUT) Slog.v(TAG, "Input method: mDockBottom="
4336                 + mDockBottom + " mContentBottom="
4337                 + mContentBottom + " mCurBottom=" + mCurBottom);
4338     }
4339
4340     private void offsetVoiceInputWindowLw(WindowState win) {
4341         int top = Math.max(win.getDisplayFrameLw().top, win.getContentFrameLw().top);
4342         top += win.getGivenContentInsetsLw().top;
4343         if (mVoiceContentBottom > top) {
4344             mVoiceContentBottom = top;
4345         }
4346     }
4347
4348     /** {@inheritDoc} */
4349     @Override
4350     public void finishLayoutLw() {
4351         return;
4352     }
4353
4354     /** {@inheritDoc} */
4355     @Override
4356     public void beginPostLayoutPolicyLw(int displayWidth, int displayHeight) {
4357         mTopFullscreenOpaqueWindowState = null;
4358         mTopFullscreenOpaqueOrDimmingWindowState = null;
4359         mAppsToBeHidden.clear();
4360         mAppsThatDismissKeyguard.clear();
4361         mForceStatusBar = false;
4362         mForceStatusBarFromKeyguard = false;
4363         mForceStatusBarTransparent = false;
4364         mForcingShowNavBar = false;
4365         mForcingShowNavBarLayer = -1;
4366
4367         mHideLockScreen = false;
4368         mAllowLockscreenWhenOn = false;
4369         mDismissKeyguard = DISMISS_KEYGUARD_NONE;
4370         mShowingLockscreen = false;
4371         mShowingDream = false;
4372         mWinShowWhenLocked = null;
4373         mKeyguardSecure = isKeyguardSecure();
4374         mKeyguardSecureIncludingHidden = mKeyguardSecure
4375                 && (mKeyguardDelegate != null && mKeyguardDelegate.isShowing());
4376     }
4377
4378     /** {@inheritDoc} */
4379     @Override
4380     public void applyPostLayoutPolicyLw(WindowState win, WindowManager.LayoutParams attrs,
4381             WindowState attached) {
4382         if (DEBUG_LAYOUT) Slog.i(TAG, "Win " + win + ": isVisibleOrBehindKeyguardLw="
4383                 + win.isVisibleOrBehindKeyguardLw());
4384         final int fl = PolicyControl.getWindowFlags(win, attrs);
4385         if (mTopFullscreenOpaqueWindowState == null
4386                 && win.isVisibleLw() && attrs.type == TYPE_INPUT_METHOD) {
4387             mForcingShowNavBar = true;
4388             mForcingShowNavBarLayer = win.getSurfaceLayer();
4389         }
4390         if (attrs.type == TYPE_STATUS_BAR) {
4391             if ((attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
4392                 mForceStatusBarFromKeyguard = true;
4393                 mShowingLockscreen = true;
4394             }
4395             if ((attrs.privateFlags & PRIVATE_FLAG_FORCE_STATUS_BAR_VISIBLE_TRANSPARENT) != 0) {
4396                 mForceStatusBarTransparent = true;
4397             }
4398         }
4399
4400         boolean appWindow = attrs.type >= FIRST_APPLICATION_WINDOW
4401                 && attrs.type < FIRST_SYSTEM_WINDOW;
4402         final boolean showWhenLocked = (fl & FLAG_SHOW_WHEN_LOCKED) != 0;
4403         final boolean dismissKeyguard = (fl & FLAG_DISMISS_KEYGUARD) != 0;
4404
4405         if (mTopFullscreenOpaqueWindowState == null &&
4406                 win.isVisibleOrBehindKeyguardLw() && !win.isGoneForLayoutLw()) {
4407             if ((fl & FLAG_FORCE_NOT_FULLSCREEN) != 0) {
4408                 if ((attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
4409                     mForceStatusBarFromKeyguard = true;
4410                 } else {
4411                     mForceStatusBar = true;
4412                 }
4413             }
4414             if (attrs.type == TYPE_DREAM) {
4415                 // If the lockscreen was showing when the dream started then wait
4416                 // for the dream to draw before hiding the lockscreen.
4417                 if (!mDreamingLockscreen
4418                         || (win.isVisibleLw() && win.hasDrawnLw())) {
4419                     mShowingDream = true;
4420                     appWindow = true;
4421                 }
4422             }
4423
4424             final IApplicationToken appToken = win.getAppToken();
4425
4426             // For app windows that are not attached, we decide if all windows in the app they
4427             // represent should be hidden or if we should hide the lockscreen. For attached app
4428             // windows we defer the decision to the window it is attached to.
4429             if (appWindow && attached == null) {
4430                 if (showWhenLocked) {
4431                     // Remove any previous windows with the same appToken.
4432                     mAppsToBeHidden.remove(appToken);
4433                     mAppsThatDismissKeyguard.remove(appToken);
4434                     if (mAppsToBeHidden.isEmpty()) {
4435                         if (dismissKeyguard && !mKeyguardSecure) {
4436                             mAppsThatDismissKeyguard.add(appToken);
4437                         } else if (win.isDrawnLw() || win.hasAppShownWindows()) {
4438                             mWinShowWhenLocked = win;
4439                             mHideLockScreen = true;
4440                             mForceStatusBarFromKeyguard = false;
4441                         }
4442                     }
4443                 } else if (dismissKeyguard) {
4444                     if (mKeyguardSecure) {
4445                         mAppsToBeHidden.add(appToken);
4446                     } else {
4447                         mAppsToBeHidden.remove(appToken);
4448                     }
4449                     mAppsThatDismissKeyguard.add(appToken);
4450                 } else {
4451                     mAppsToBeHidden.add(appToken);
4452                 }
4453                 if (attrs.x == 0 && attrs.y == 0
4454                         && attrs.width == WindowManager.LayoutParams.MATCH_PARENT
4455                         && attrs.height == WindowManager.LayoutParams.MATCH_PARENT) {
4456                     if (DEBUG_LAYOUT) Slog.v(TAG, "Fullscreen window: " + win);
4457                     mTopFullscreenOpaqueWindowState = win;
4458                     if (mTopFullscreenOpaqueOrDimmingWindowState == null) {
4459                         mTopFullscreenOpaqueOrDimmingWindowState = win;
4460                     }
4461                     if (!mAppsThatDismissKeyguard.isEmpty() &&
4462                             mDismissKeyguard == DISMISS_KEYGUARD_NONE) {
4463                         if (DEBUG_LAYOUT) Slog.v(TAG,
4464                                 "Setting mDismissKeyguard true by win " + win);
4465                         mDismissKeyguard = (mWinDismissingKeyguard == win
4466                                 && mSecureDismissingKeyguard == mKeyguardSecure)
4467                                 ? DISMISS_KEYGUARD_CONTINUE : DISMISS_KEYGUARD_START;
4468                         mWinDismissingKeyguard = win;
4469                         mSecureDismissingKeyguard = mKeyguardSecure;
4470                         mForceStatusBarFromKeyguard = mShowingLockscreen && mKeyguardSecure;
4471                     } else if (mAppsToBeHidden.isEmpty() && showWhenLocked
4472                             && (win.isDrawnLw() || win.hasAppShownWindows())) {
4473                         if (DEBUG_LAYOUT) Slog.v(TAG,
4474                                 "Setting mHideLockScreen to true by win " + win);
4475                         mHideLockScreen = true;
4476                         mForceStatusBarFromKeyguard = false;
4477                     }
4478                     if ((fl & FLAG_ALLOW_LOCK_WHILE_SCREEN_ON) != 0) {
4479                         mAllowLockscreenWhenOn = true;
4480                     }
4481                 }
4482
4483                 if (mWinShowWhenLocked != null &&
4484                         mWinShowWhenLocked.getAppToken() != win.getAppToken() &&
4485                         (attrs.flags & FLAG_SHOW_WHEN_LOCKED) == 0) {
4486                     win.hideLw(false);
4487                 }
4488             }
4489         } else if (mTopFullscreenOpaqueWindowState == null && mWinShowWhenLocked == null) {
4490             // No TopFullscreenOpaqueWindow is showing, but we found a SHOW_WHEN_LOCKED window
4491             // that is being hidden in an animation - keep the
4492             // keyguard hidden until the new window shows up and
4493             // we know whether to show the keyguard or not.
4494             if (win.isAnimatingLw() && appWindow && showWhenLocked && mKeyguardHidden) {
4495                 mHideLockScreen = true;
4496                 mWinShowWhenLocked = win;
4497             }
4498         }
4499         if (mTopFullscreenOpaqueOrDimmingWindowState == null
4500                 && win.isVisibleOrBehindKeyguardLw() && !win.isGoneForLayoutLw()
4501                 && win.isDimming()) {
4502             mTopFullscreenOpaqueOrDimmingWindowState = win;
4503         }
4504     }
4505
4506     /** {@inheritDoc} */
4507     @Override
4508     public int finishPostLayoutPolicyLw() {
4509         if (mWinShowWhenLocked != null && mTopFullscreenOpaqueWindowState != null &&
4510                 mWinShowWhenLocked.getAppToken() != mTopFullscreenOpaqueWindowState.getAppToken()
4511                 && isKeyguardLocked()) {
4512             // A dialog is dismissing the keyguard. Put the wallpaper behind it and hide the
4513             // fullscreen window.
4514             // TODO: Make sure FLAG_SHOW_WALLPAPER is restored when dialog is dismissed. Or not.
4515             mWinShowWhenLocked.getAttrs().flags |= FLAG_SHOW_WALLPAPER;
4516             mTopFullscreenOpaqueWindowState.hideLw(false);
4517             mTopFullscreenOpaqueWindowState = mWinShowWhenLocked;
4518         }
4519
4520         int changes = 0;
4521         boolean topIsFullscreen = false;
4522
4523         final WindowManager.LayoutParams lp = (mTopFullscreenOpaqueWindowState != null)
4524                 ? mTopFullscreenOpaqueWindowState.getAttrs()
4525                 : null;
4526
4527         // If we are not currently showing a dream then remember the current
4528         // lockscreen state.  We will use this to determine whether the dream
4529         // started while the lockscreen was showing and remember this state
4530         // while the dream is showing.
4531         if (!mShowingDream) {
4532             mDreamingLockscreen = mShowingLockscreen;
4533             if (mDreamingSleepTokenNeeded) {
4534                 mDreamingSleepTokenNeeded = false;
4535                 mHandler.obtainMessage(MSG_UPDATE_DREAMING_SLEEP_TOKEN, 0, 1).sendToTarget();
4536             }
4537         } else {
4538             if (!mDreamingSleepTokenNeeded) {
4539                 mDreamingSleepTokenNeeded = true;
4540                 mHandler.obtainMessage(MSG_UPDATE_DREAMING_SLEEP_TOKEN, 1, 1).sendToTarget();
4541             }
4542         }
4543
4544         if (mStatusBar != null) {
4545             if (DEBUG_LAYOUT) Slog.i(TAG, "force=" + mForceStatusBar
4546                     + " forcefkg=" + mForceStatusBarFromKeyguard
4547                     + " top=" + mTopFullscreenOpaqueWindowState);
4548             boolean shouldBeTransparent = mForceStatusBarTransparent
4549                     && !mForceStatusBar
4550                     && !mForceStatusBarFromKeyguard;
4551             if (!shouldBeTransparent) {
4552                 mStatusBarController.setShowTransparent(false /* transparent */);
4553             } else if (!mStatusBar.isVisibleLw()) {
4554                 mStatusBarController.setShowTransparent(true /* transparent */);
4555             }
4556             if (mForceStatusBar || mForceStatusBarFromKeyguard || mForceStatusBarTransparent) {
4557                 if (DEBUG_LAYOUT) Slog.v(TAG, "Showing status bar: forced");
4558                 if (mStatusBarController.setBarShowingLw(true)) {
4559                     changes |= FINISH_LAYOUT_REDO_LAYOUT;
4560                 }
4561                 // Maintain fullscreen layout until incoming animation is complete.
4562                 topIsFullscreen = mTopIsFullscreen && mStatusBar.isAnimatingLw();
4563                 // Transient status bar on the lockscreen is not allowed
4564                 if (mForceStatusBarFromKeyguard && mStatusBarController.isTransientShowing()) {
4565                     mStatusBarController.updateVisibilityLw(false /*transientAllowed*/,
4566                             mLastSystemUiFlags, mLastSystemUiFlags);
4567                 }
4568             } else if (mTopFullscreenOpaqueWindowState != null) {
4569                 final int fl = PolicyControl.getWindowFlags(null, lp);
4570                 if (localLOGV) {
4571                     Slog.d(TAG, "frame: " + mTopFullscreenOpaqueWindowState.getFrameLw()
4572                             + " shown frame: " + mTopFullscreenOpaqueWindowState.getShownFrameLw());
4573                     Slog.d(TAG, "attr: " + mTopFullscreenOpaqueWindowState.getAttrs()
4574                             + " lp.flags=0x" + Integer.toHexString(fl));
4575                 }
4576                 topIsFullscreen = (fl & WindowManager.LayoutParams.FLAG_FULLSCREEN) != 0
4577                         || (mLastSystemUiFlags & View.SYSTEM_UI_FLAG_FULLSCREEN) != 0;
4578                 // The subtle difference between the window for mTopFullscreenOpaqueWindowState
4579                 // and mTopIsFullscreen is that mTopIsFullscreen is set only if the window
4580                 // has the FLAG_FULLSCREEN set.  Not sure if there is another way that to be the
4581                 // case though.
4582                 if (mStatusBarController.isTransientShowing()) {
4583                     if (mStatusBarController.setBarShowingLw(true)) {
4584                         changes |= FINISH_LAYOUT_REDO_LAYOUT;
4585                     }
4586                 } else if (topIsFullscreen) {
4587                     if (DEBUG_LAYOUT) Slog.v(TAG, "** HIDING status bar");
4588                     if (mStatusBarController.setBarShowingLw(false)) {
4589                         changes |= FINISH_LAYOUT_REDO_LAYOUT;
4590                     } else {
4591                         if (DEBUG_LAYOUT) Slog.v(TAG, "Status bar already hiding");
4592                     }
4593                 } else {
4594                     if (DEBUG_LAYOUT) Slog.v(TAG, "** SHOWING status bar: top is not fullscreen");
4595                     if (mStatusBarController.setBarShowingLw(true)) {
4596                         changes |= FINISH_LAYOUT_REDO_LAYOUT;
4597                     }
4598                 }
4599             }
4600         }
4601
4602         if (mTopIsFullscreen != topIsFullscreen) {
4603             if (!topIsFullscreen) {
4604                 // Force another layout when status bar becomes fully shown.
4605                 changes |= FINISH_LAYOUT_REDO_LAYOUT;
4606             }
4607             mTopIsFullscreen = topIsFullscreen;
4608         }
4609
4610         // Hide the key guard if a visible window explicitly specifies that it wants to be
4611         // displayed when the screen is locked.
4612         if (mKeyguardDelegate != null && mStatusBar != null) {
4613             if (localLOGV) Slog.v(TAG, "finishPostLayoutPolicyLw: mHideKeyguard="
4614                     + mHideLockScreen);
4615             if (mDismissKeyguard != DISMISS_KEYGUARD_NONE && !mKeyguardSecure) {
4616                 mKeyguardHidden = true;
4617                 if (setKeyguardOccludedLw(true)) {
4618                     changes |= FINISH_LAYOUT_REDO_LAYOUT
4619                             | FINISH_LAYOUT_REDO_CONFIG
4620                             | FINISH_LAYOUT_REDO_WALLPAPER;
4621                 }
4622                 if (mKeyguardDelegate.isShowing()) {
4623                     mHandler.post(new Runnable() {
4624                         @Override
4625                         public void run() {
4626                             mKeyguardDelegate.keyguardDone(false, false);
4627                         }
4628                     });
4629                 }
4630             } else if (mHideLockScreen) {
4631                 mKeyguardHidden = true;
4632                 mWinDismissingKeyguard = null;
4633                 if (setKeyguardOccludedLw(true)) {
4634                     changes |= FINISH_LAYOUT_REDO_LAYOUT
4635                             | FINISH_LAYOUT_REDO_CONFIG
4636                             | FINISH_LAYOUT_REDO_WALLPAPER;
4637                 }
4638             } else if (mDismissKeyguard != DISMISS_KEYGUARD_NONE) {
4639                 mKeyguardHidden = false;
4640                 if (setKeyguardOccludedLw(false)) {
4641                     changes |= FINISH_LAYOUT_REDO_LAYOUT
4642                             | FINISH_LAYOUT_REDO_CONFIG
4643                             | FINISH_LAYOUT_REDO_WALLPAPER;
4644                 }
4645                 if (mDismissKeyguard == DISMISS_KEYGUARD_START) {
4646                     // Only launch the next keyguard unlock window once per window.
4647                     mHandler.post(new Runnable() {
4648                         @Override
4649                         public void run() {
4650                             mKeyguardDelegate.dismiss();
4651                         }
4652                     });
4653                 }
4654             } else {
4655                 mWinDismissingKeyguard = null;
4656                 mSecureDismissingKeyguard = false;
4657                 mKeyguardHidden = false;
4658                 if (setKeyguardOccludedLw(false)) {
4659                     changes |= FINISH_LAYOUT_REDO_LAYOUT
4660                             | FINISH_LAYOUT_REDO_CONFIG
4661                             | FINISH_LAYOUT_REDO_WALLPAPER;
4662                 }
4663             }
4664         }
4665
4666         if ((updateSystemUiVisibilityLw()&SYSTEM_UI_CHANGING_LAYOUT) != 0) {
4667             // If the navigation bar has been hidden or shown, we need to do another
4668             // layout pass to update that window.
4669             changes |= FINISH_LAYOUT_REDO_LAYOUT;
4670         }
4671
4672         // update since mAllowLockscreenWhenOn might have changed
4673         updateLockScreenTimeout();
4674         return changes;
4675     }
4676
4677     /**
4678      * Updates the occluded state of the Keyguard.
4679      *
4680      * @return Whether the flags have changed and we have to redo the layout.
4681      */
4682     private boolean setKeyguardOccludedLw(boolean isOccluded) {
4683         boolean wasOccluded = mKeyguardOccluded;
4684         boolean showing = mKeyguardDelegate.isShowing();
4685         if (wasOccluded && !isOccluded && showing) {
4686             mKeyguardOccluded = false;
4687             mKeyguardDelegate.setOccluded(false);
4688             mStatusBar.getAttrs().privateFlags |= PRIVATE_FLAG_KEYGUARD;
4689             mStatusBar.getAttrs().flags |= FLAG_SHOW_WALLPAPER;
4690             return true;
4691         } else if (!wasOccluded && isOccluded && showing) {
4692             mKeyguardOccluded = true;
4693             mKeyguardDelegate.setOccluded(true);
4694             mStatusBar.getAttrs().privateFlags &= ~PRIVATE_FLAG_KEYGUARD;
4695             mStatusBar.getAttrs().flags &= ~FLAG_SHOW_WALLPAPER;
4696             return true;
4697         } else {
4698             return false;
4699         }
4700     }
4701
4702     private boolean isStatusBarKeyguard() {
4703         return mStatusBar != null
4704                 && (mStatusBar.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0;
4705     }
4706
4707     @Override
4708     public boolean allowAppAnimationsLw() {
4709         if (isStatusBarKeyguard() || mShowingDream) {
4710             // If keyguard or dreams is currently visible, no reason to animate behind it.
4711             return false;
4712         }
4713         return true;
4714     }
4715
4716     @Override
4717     public int focusChangedLw(WindowState lastFocus, WindowState newFocus) {
4718         mFocusedWindow = newFocus;
4719         if ((updateSystemUiVisibilityLw()&SYSTEM_UI_CHANGING_LAYOUT) != 0) {
4720             // If the navigation bar has been hidden or shown, we need to do another
4721             // layout pass to update that window.
4722             return FINISH_LAYOUT_REDO_LAYOUT;
4723         }
4724         return 0;
4725     }
4726
4727     /** {@inheritDoc} */
4728     @Override
4729     public void notifyLidSwitchChanged(long whenNanos, boolean lidOpen) {
4730         // lid changed state
4731         final int newLidState = lidOpen ? LID_OPEN : LID_CLOSED;
4732         if (newLidState == mLidState) {
4733             return;
4734         }
4735
4736         mLidState = newLidState;
4737         applyLidSwitchState();
4738         updateRotation(true);
4739
4740         if (lidOpen) {
4741             wakeUp(SystemClock.uptimeMillis(), mAllowTheaterModeWakeFromLidSwitch,
4742                     "android.policy:LID");
4743         } else if (!mLidControlsSleep) {
4744             mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
4745         }
4746     }
4747
4748     @Override
4749     public void notifyCameraLensCoverSwitchChanged(long whenNanos, boolean lensCovered) {
4750         int lensCoverState = lensCovered ? CAMERA_LENS_COVERED : CAMERA_LENS_UNCOVERED;
4751         if (mCameraLensCoverState == lensCoverState) {
4752             return;
4753         }
4754         if (mCameraLensCoverState == CAMERA_LENS_COVERED &&
4755                 lensCoverState == CAMERA_LENS_UNCOVERED) {
4756             Intent intent;
4757             final boolean keyguardActive = mKeyguardDelegate == null ? false :
4758                     mKeyguardDelegate.isShowing();
4759             if (keyguardActive) {
4760                 intent = new Intent(MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA_SECURE);
4761             } else {
4762                 intent = new Intent(MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA);
4763             }
4764             wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromCameraLens,
4765                     "android.policy:CAMERA_COVER");
4766             startActivityAsUser(intent, UserHandle.CURRENT_OR_SELF);
4767         }
4768         mCameraLensCoverState = lensCoverState;
4769     }
4770
4771     void setHdmiPlugged(boolean plugged) {
4772         if (mHdmiPlugged != plugged) {
4773             mHdmiPlugged = plugged;
4774             updateRotation(true, true);
4775             Intent intent = new Intent(ACTION_HDMI_PLUGGED);
4776             intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT);
4777             intent.putExtra(EXTRA_HDMI_PLUGGED_STATE, plugged);
4778             mContext.sendStickyBroadcastAsUser(intent, UserHandle.ALL);
4779         }
4780     }
4781
4782     void initializeHdmiState() {
4783         boolean plugged = false;
4784         // watch for HDMI plug messages if the hdmi switch exists
4785         if (new File("/sys/devices/virtual/switch/hdmi/state").exists()) {
4786             mHDMIObserver.startObserving("DEVPATH=/devices/virtual/switch/hdmi");
4787
4788             final String filename = "/sys/class/switch/hdmi/state";
4789             FileReader reader = null;
4790             try {
4791                 reader = new FileReader(filename);
4792                 char[] buf = new char[15];
4793                 int n = reader.read(buf);
4794                 if (n > 1) {
4795                     plugged = 0 != Integer.parseInt(new String(buf, 0, n-1));
4796                 }
4797             } catch (IOException ex) {
4798                 Slog.w(TAG, "Couldn't read hdmi state from " + filename + ": " + ex);
4799             } catch (NumberFormatException ex) {
4800                 Slog.w(TAG, "Couldn't read hdmi state from " + filename + ": " + ex);
4801             } finally {
4802                 if (reader != null) {
4803                     try {
4804                         reader.close();
4805                     } catch (IOException ex) {
4806                     }
4807                 }
4808             }
4809         }
4810         // This dance forces the code in setHdmiPlugged to run.
4811         // Always do this so the sticky intent is stuck (to false) if there is no hdmi.
4812         mHdmiPlugged = !plugged;
4813         setHdmiPlugged(!mHdmiPlugged);
4814     }
4815
4816     final Object mScreenshotLock = new Object();
4817     ServiceConnection mScreenshotConnection = null;
4818
4819     final Runnable mScreenshotTimeout = new Runnable() {
4820         @Override public void run() {
4821             synchronized (mScreenshotLock) {
4822                 if (mScreenshotConnection != null) {
4823                     mContext.unbindService(mScreenshotConnection);
4824                     mScreenshotConnection = null;
4825                 }
4826             }
4827         }
4828     };
4829
4830     // Assume this is called from the Handler thread.
4831     private void takeScreenshot() {
4832         synchronized (mScreenshotLock) {
4833             if (mScreenshotConnection != null) {
4834                 return;
4835             }
4836             ComponentName cn = new ComponentName("com.android.systemui",
4837                     "com.android.systemui.screenshot.TakeScreenshotService");
4838             Intent intent = new Intent();
4839             intent.setComponent(cn);
4840             ServiceConnection conn = new ServiceConnection() {
4841                 @Override
4842                 public void onServiceConnected(ComponentName name, IBinder service) {
4843                     synchronized (mScreenshotLock) {
4844                         if (mScreenshotConnection != this) {
4845                             return;
4846                         }
4847                         Messenger messenger = new Messenger(service);
4848                         Message msg = Message.obtain(null, 1);
4849                         final ServiceConnection myConn = this;
4850                         Handler h = new Handler(mHandler.getLooper()) {
4851                             @Override
4852                             public void handleMessage(Message msg) {
4853                                 synchronized (mScreenshotLock) {
4854                                     if (mScreenshotConnection == myConn) {
4855                                         mContext.unbindService(mScreenshotConnection);
4856                                         mScreenshotConnection = null;
4857                                         mHandler.removeCallbacks(mScreenshotTimeout);
4858                                     }
4859                                 }
4860                             }
4861                         };
4862                         msg.replyTo = new Messenger(h);
4863                         msg.arg1 = msg.arg2 = 0;
4864                         if (mStatusBar != null && mStatusBar.isVisibleLw())
4865                             msg.arg1 = 1;
4866                         if (mNavigationBar != null && mNavigationBar.isVisibleLw())
4867                             msg.arg2 = 1;
4868                         try {
4869                             messenger.send(msg);
4870                         } catch (RemoteException e) {
4871                         }
4872                     }
4873                 }
4874                 @Override
4875                 public void onServiceDisconnected(ComponentName name) {}
4876             };
4877             if (mContext.bindServiceAsUser(
4878                     intent, conn, Context.BIND_AUTO_CREATE, UserHandle.CURRENT)) {
4879                 mScreenshotConnection = conn;
4880                 mHandler.postDelayed(mScreenshotTimeout, 10000);
4881             }
4882         }
4883     }
4884
4885     /** {@inheritDoc} */
4886     @Override
4887     public int interceptKeyBeforeQueueing(KeyEvent event, int policyFlags) {
4888         if (!mSystemBooted) {
4889             // If we have not yet booted, don't let key events do anything.
4890             return 0;
4891         }
4892
4893         final boolean interactive = (policyFlags & FLAG_INTERACTIVE) != 0;
4894         final boolean down = event.getAction() == KeyEvent.ACTION_DOWN;
4895         final boolean canceled = event.isCanceled();
4896         final int keyCode = event.getKeyCode();
4897
4898         final boolean isInjected = (policyFlags & WindowManagerPolicy.FLAG_INJECTED) != 0;
4899
4900         // If screen is off then we treat the case where the keyguard is open but hidden
4901         // the same as if it were open and in front.
4902         // This will prevent any keys other than the power button from waking the screen
4903         // when the keyguard is hidden by another activity.
4904         final boolean keyguardActive = (mKeyguardDelegate == null ? false :
4905                                             (interactive ?
4906                                                 isKeyguardShowingAndNotOccluded() :
4907                                                 mKeyguardDelegate.isShowing()));
4908
4909         if (DEBUG_INPUT) {
4910             Log.d(TAG, "interceptKeyTq keycode=" + keyCode
4911                     + " interactive=" + interactive + " keyguardActive=" + keyguardActive
4912                     + " policyFlags=" + Integer.toHexString(policyFlags));
4913         }
4914
4915         // Basic policy based on interactive state.
4916         int result;
4917         boolean isWakeKey = (policyFlags & WindowManagerPolicy.FLAG_WAKE) != 0
4918                 || event.isWakeKey();
4919         if (interactive || (isInjected && !isWakeKey)) {
4920             // When the device is interactive or the key is injected pass the
4921             // key to the application.
4922             result = ACTION_PASS_TO_USER;
4923             isWakeKey = false;
4924         } else if (!interactive && shouldDispatchInputWhenNonInteractive()) {
4925             // If we're currently dozing with the screen on and the keyguard showing, pass the key
4926             // to the application but preserve its wake key status to make sure we still move
4927             // from dozing to fully interactive if we would normally go from off to fully
4928             // interactive.
4929             result = ACTION_PASS_TO_USER;
4930         } else {
4931             // When the screen is off and the key is not injected, determine whether
4932             // to wake the device but don't pass the key to the application.
4933             result = 0;
4934             if (isWakeKey && (!down || !isWakeKeyWhenScreenOff(keyCode))) {
4935                 isWakeKey = false;
4936             }
4937         }
4938
4939         // If the key would be handled globally, just return the result, don't worry about special
4940         // key processing.
4941         if (isValidGlobalKey(keyCode)
4942                 && mGlobalKeyManager.shouldHandleGlobalKey(keyCode, event)) {
4943             if (isWakeKey) {
4944                 wakeUp(event.getEventTime(), mAllowTheaterModeWakeFromKey, "android.policy:KEY");
4945             }
4946             return result;
4947         }
4948
4949         boolean useHapticFeedback = down
4950                 && (policyFlags & WindowManagerPolicy.FLAG_VIRTUAL) != 0
4951                 && event.getRepeatCount() == 0;
4952
4953         // Handle special keys.
4954         switch (keyCode) {
4955             case KeyEvent.KEYCODE_VOLUME_DOWN:
4956             case KeyEvent.KEYCODE_VOLUME_UP:
4957             case KeyEvent.KEYCODE_VOLUME_MUTE: {
4958                 if (mUseTvRouting) {
4959                     // On TVs volume keys never go to the foreground app
4960                     result &= ~ACTION_PASS_TO_USER;
4961                 }
4962                 if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN) {
4963                     if (down) {
4964                         if (interactive && !mScreenshotChordVolumeDownKeyTriggered
4965                                 && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
4966                             mScreenshotChordVolumeDownKeyTriggered = true;
4967                             mScreenshotChordVolumeDownKeyTime = event.getDownTime();
4968                             mScreenshotChordVolumeDownKeyConsumed = false;
4969                             cancelPendingPowerKeyAction();
4970                             interceptScreenshotChord();
4971                         }
4972                     } else {
4973                         mScreenshotChordVolumeDownKeyTriggered = false;
4974                         cancelPendingScreenshotChordAction();
4975                     }
4976                 } else if (keyCode == KeyEvent.KEYCODE_VOLUME_UP) {
4977                     if (down) {
4978                         if (interactive && !mScreenshotChordVolumeUpKeyTriggered
4979                                 && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
4980                             mScreenshotChordVolumeUpKeyTriggered = true;
4981                             cancelPendingPowerKeyAction();
4982                             cancelPendingScreenshotChordAction();
4983                         }
4984                     } else {
4985                         mScreenshotChordVolumeUpKeyTriggered = false;
4986                         cancelPendingScreenshotChordAction();
4987                     }
4988                 }
4989                 if (down) {
4990                     TelecomManager telecomManager = getTelecommService();
4991                     if (telecomManager != null) {
4992                         if (telecomManager.isRinging()) {
4993                             // If an incoming call is ringing, either VOLUME key means
4994                             // "silence ringer".  We handle these keys here, rather than
4995                             // in the InCallScreen, to make sure we'll respond to them
4996                             // even if the InCallScreen hasn't come to the foreground yet.
4997                             // Look for the DOWN event here, to agree with the "fallback"
4998                             // behavior in the InCallScreen.
4999                             Log.i(TAG, "interceptKeyBeforeQueueing:"
5000                                   + " VOLUME key-down while ringing: Silence ringer!");
5001
5002                             // Silence the ringer.  (It's safe to call this
5003                             // even if the ringer has already been silenced.)
5004                             telecomManager.silenceRinger();
5005
5006                             // And *don't* pass this key thru to the current activity
5007                             // (which is probably the InCallScreen.)
5008                             result &= ~ACTION_PASS_TO_USER;
5009                             break;
5010                         }
5011                         if (telecomManager.isInCall()
5012                                 && (result & ACTION_PASS_TO_USER) == 0) {
5013                             // If we are in call but we decided not to pass the key to
5014                             // the application, just pass it to the session service.
5015
5016                             MediaSessionLegacyHelper.getHelper(mContext)
5017                                     .sendVolumeKeyEvent(event, false);
5018                             break;
5019                         }
5020                     }
5021
5022                     if ((result & ACTION_PASS_TO_USER) == 0) {
5023                         if (mUseTvRouting) {
5024                             dispatchDirectAudioEvent(event);
5025                         } else {
5026                             // If we aren't passing to the user and no one else
5027                             // handled it send it to the session manager to
5028                             // figure out.
5029                             MediaSessionLegacyHelper.getHelper(mContext)
5030                                     .sendVolumeKeyEvent(event, true);
5031                         }
5032                         break;
5033                     }
5034                 }
5035                 break;
5036             }
5037
5038             case KeyEvent.KEYCODE_ENDCALL: {
5039                 result &= ~ACTION_PASS_TO_USER;
5040                 if (down) {
5041                     TelecomManager telecomManager = getTelecommService();
5042                     boolean hungUp = false;
5043                     if (telecomManager != null) {
5044                         hungUp = telecomManager.endCall();
5045                     }
5046                     if (interactive && !hungUp) {
5047                         mEndCallKeyHandled = false;
5048                         mHandler.postDelayed(mEndCallLongPress,
5049                                 ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
5050                     } else {
5051                         mEndCallKeyHandled = true;
5052                     }
5053                 } else {
5054                     if (!mEndCallKeyHandled) {
5055                         mHandler.removeCallbacks(mEndCallLongPress);
5056                         if (!canceled) {
5057                             if ((mEndcallBehavior
5058                                     & Settings.System.END_BUTTON_BEHAVIOR_HOME) != 0) {
5059                                 if (goHome()) {
5060                                     break;
5061                                 }
5062                             }
5063                             if ((mEndcallBehavior
5064                                     & Settings.System.END_BUTTON_BEHAVIOR_SLEEP) != 0) {
5065                                 mPowerManager.goToSleep(event.getEventTime(),
5066                                         PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON, 0);
5067                                 isWakeKey = false;
5068                             }
5069                         }
5070                     }
5071                 }
5072                 break;
5073             }
5074
5075             case KeyEvent.KEYCODE_POWER: {
5076                 result &= ~ACTION_PASS_TO_USER;
5077                 isWakeKey = false; // wake-up will be handled separately
5078                 if (down) {
5079                     interceptPowerKeyDown(event, interactive);
5080                 } else {
5081                     interceptPowerKeyUp(event, interactive, canceled);
5082                 }
5083                 break;
5084             }
5085
5086             case KeyEvent.KEYCODE_SLEEP: {
5087                 result &= ~ACTION_PASS_TO_USER;
5088                 isWakeKey = false;
5089                 if (!mPowerManager.isInteractive()) {
5090                     useHapticFeedback = false; // suppress feedback if already non-interactive
5091                 }
5092                 if (down) {
5093                     sleepPress(event.getEventTime());
5094                 } else {
5095                     sleepRelease(event.getEventTime());
5096                 }
5097                 break;
5098             }
5099
5100             case KeyEvent.KEYCODE_WAKEUP: {
5101                 result &= ~ACTION_PASS_TO_USER;
5102                 isWakeKey = true;
5103                 break;
5104             }
5105
5106             case KeyEvent.KEYCODE_MEDIA_PLAY:
5107             case KeyEvent.KEYCODE_MEDIA_PAUSE:
5108             case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
5109             case KeyEvent.KEYCODE_HEADSETHOOK:
5110             case KeyEvent.KEYCODE_MUTE:
5111             case KeyEvent.KEYCODE_MEDIA_STOP:
5112             case KeyEvent.KEYCODE_MEDIA_NEXT:
5113             case KeyEvent.KEYCODE_MEDIA_PREVIOUS:
5114             case KeyEvent.KEYCODE_MEDIA_REWIND:
5115             case KeyEvent.KEYCODE_MEDIA_RECORD:
5116             case KeyEvent.KEYCODE_MEDIA_FAST_FORWARD:
5117             case KeyEvent.KEYCODE_MEDIA_AUDIO_TRACK: {
5118                 if (MediaSessionLegacyHelper.getHelper(mContext).isGlobalPriorityActive()) {
5119                     // If the global session is active pass all media keys to it
5120                     // instead of the active window.
5121                     result &= ~ACTION_PASS_TO_USER;
5122                 }
5123                 if ((result & ACTION_PASS_TO_USER) == 0) {
5124                     // Only do this if we would otherwise not pass it to the user. In that
5125                     // case, the PhoneWindow class will do the same thing, except it will
5126                     // only do it if the showing app doesn't process the key on its own.
5127                     // Note that we need to make a copy of the key event here because the
5128                     // original key event will be recycled when we return.
5129                     mBroadcastWakeLock.acquire();
5130                     Message msg = mHandler.obtainMessage(MSG_DISPATCH_MEDIA_KEY_WITH_WAKE_LOCK,
5131                             new KeyEvent(event));
5132                     msg.setAsynchronous(true);
5133                     msg.sendToTarget();
5134                 }
5135                 break;
5136             }
5137
5138             case KeyEvent.KEYCODE_CALL: {
5139                 if (down) {
5140                     TelecomManager telecomManager = getTelecommService();
5141                     if (telecomManager != null) {
5142                         if (telecomManager.isRinging()) {
5143                             Log.i(TAG, "interceptKeyBeforeQueueing:"
5144                                   + " CALL key-down while ringing: Answer the call!");
5145                             telecomManager.acceptRingingCall();
5146
5147                             // And *don't* pass this key thru to the current activity
5148                             // (which is presumably the InCallScreen.)
5149                             result &= ~ACTION_PASS_TO_USER;
5150                         }
5151                     }
5152                 }
5153                 break;
5154             }
5155             case KeyEvent.KEYCODE_VOICE_ASSIST: {
5156                 // Only do this if we would otherwise not pass it to the user. In that case,
5157                 // interceptKeyBeforeDispatching would apply a similar but different policy in
5158                 // order to invoke voice assist actions. Note that we need to make a copy of the
5159                 // key event here because the original key event will be recycled when we return.
5160                 if ((result & ACTION_PASS_TO_USER) == 0 && !down) {
5161                     mBroadcastWakeLock.acquire();
5162                     Message msg = mHandler.obtainMessage(MSG_LAUNCH_VOICE_ASSIST_WITH_WAKE_LOCK,
5163                             keyguardActive ? 1 : 0, 0);
5164                     msg.setAsynchronous(true);
5165                     msg.sendToTarget();
5166                 }
5167             }
5168         }
5169
5170         if (useHapticFeedback) {
5171             performHapticFeedbackLw(null, HapticFeedbackConstants.VIRTUAL_KEY, false);
5172         }
5173
5174         if (isWakeKey) {
5175             wakeUp(event.getEventTime(), mAllowTheaterModeWakeFromKey, "android.policy:KEY");
5176         }
5177
5178         return result;
5179     }
5180
5181     /**
5182      * Returns true if the key can have global actions attached to it.
5183      * We reserve all power management keys for the system since they require
5184      * very careful handling.
5185      */
5186     private static boolean isValidGlobalKey(int keyCode) {
5187         switch (keyCode) {
5188             case KeyEvent.KEYCODE_POWER:
5189             case KeyEvent.KEYCODE_WAKEUP:
5190             case KeyEvent.KEYCODE_SLEEP:
5191                 return false;
5192             default:
5193                 return true;
5194         }
5195     }
5196
5197     /**
5198      * When the screen is off we ignore some keys that might otherwise typically
5199      * be considered wake keys.  We filter them out here.
5200      *
5201      * {@link KeyEvent#KEYCODE_POWER} is notably absent from this list because it
5202      * is always considered a wake key.
5203      */
5204     private boolean isWakeKeyWhenScreenOff(int keyCode) {
5205         switch (keyCode) {
5206             // ignore volume keys unless docked
5207             case KeyEvent.KEYCODE_VOLUME_UP:
5208             case KeyEvent.KEYCODE_VOLUME_DOWN:
5209             case KeyEvent.KEYCODE_VOLUME_MUTE:
5210                 return mDockMode != Intent.EXTRA_DOCK_STATE_UNDOCKED;
5211
5212             // ignore media and camera keys
5213             case KeyEvent.KEYCODE_MUTE:
5214             case KeyEvent.KEYCODE_HEADSETHOOK:
5215             case KeyEvent.KEYCODE_MEDIA_PLAY:
5216             case KeyEvent.KEYCODE_MEDIA_PAUSE:
5217             case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
5218             case KeyEvent.KEYCODE_MEDIA_STOP:
5219             case KeyEvent.KEYCODE_MEDIA_NEXT:
5220             case KeyEvent.KEYCODE_MEDIA_PREVIOUS:
5221             case KeyEvent.KEYCODE_MEDIA_REWIND:
5222             case KeyEvent.KEYCODE_MEDIA_RECORD:
5223             case KeyEvent.KEYCODE_MEDIA_FAST_FORWARD:
5224             case KeyEvent.KEYCODE_MEDIA_AUDIO_TRACK:
5225             case KeyEvent.KEYCODE_CAMERA:
5226                 return false;
5227         }
5228         return true;
5229     }
5230
5231
5232     /** {@inheritDoc} */
5233     @Override
5234     public int interceptMotionBeforeQueueingNonInteractive(long whenNanos, int policyFlags) {
5235         if ((policyFlags & FLAG_WAKE) != 0) {
5236             if (wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromMotion,
5237                     "android.policy:MOTION")) {
5238                 return 0;
5239             }
5240         }
5241
5242         if (shouldDispatchInputWhenNonInteractive()) {
5243             return ACTION_PASS_TO_USER;
5244         }
5245
5246         // If we have not passed the action up and we are in theater mode without dreaming,
5247         // there will be no dream to intercept the touch and wake into ambient.  The device should
5248         // wake up in this case.
5249         if (isTheaterModeEnabled() && (policyFlags & FLAG_WAKE) != 0) {
5250             wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromMotionWhenNotDreaming,
5251                     "android.policy:MOTION");
5252         }
5253
5254         return 0;
5255     }
5256
5257     private boolean shouldDispatchInputWhenNonInteractive() {
5258         if (mDisplay == null || mDisplay.getState() == Display.STATE_OFF) {
5259             return false;
5260         }
5261         // Send events to keyguard while the screen is on and it's showing.
5262         if (isKeyguardShowingAndNotOccluded()) {
5263             return true;
5264         }
5265
5266         // Send events to a dozing dream even if the screen is off since the dream
5267         // is in control of the state of the screen.
5268         IDreamManager dreamManager = getDreamManager();
5269
5270         try {
5271             if (dreamManager != null && dreamManager.isDreaming()) {
5272                 return true;
5273             }
5274         } catch (RemoteException e) {
5275             Slog.e(TAG, "RemoteException when checking if dreaming", e);
5276         }
5277
5278         // Otherwise, consume events since the user can't see what is being
5279         // interacted with.
5280         return false;
5281     }
5282
5283     private void dispatchDirectAudioEvent(KeyEvent event) {
5284         if (event.getAction() != KeyEvent.ACTION_DOWN) {
5285             return;
5286         }
5287         int keyCode = event.getKeyCode();
5288         int flags = AudioManager.FLAG_SHOW_UI | AudioManager.FLAG_PLAY_SOUND
5289                 | AudioManager.FLAG_FROM_KEY;
5290         String pkgName = mContext.getOpPackageName();
5291         switch (keyCode) {
5292             case KeyEvent.KEYCODE_VOLUME_UP:
5293                 try {
5294                     getAudioService().adjustSuggestedStreamVolume(AudioManager.ADJUST_RAISE,
5295                             AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName, TAG);
5296                 } catch (RemoteException e) {
5297                     Log.e(TAG, "Error dispatching volume up in dispatchTvAudioEvent.", e);
5298                 }
5299                 break;
5300             case KeyEvent.KEYCODE_VOLUME_DOWN:
5301                 try {
5302                     getAudioService().adjustSuggestedStreamVolume(AudioManager.ADJUST_LOWER,
5303                             AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName, TAG);
5304                 } catch (RemoteException e) {
5305                     Log.e(TAG, "Error dispatching volume down in dispatchTvAudioEvent.", e);
5306                 }
5307                 break;
5308             case KeyEvent.KEYCODE_VOLUME_MUTE:
5309                 try {
5310                     if (event.getRepeatCount() == 0) {
5311                         getAudioService().adjustSuggestedStreamVolume(
5312                                 AudioManager.ADJUST_TOGGLE_MUTE,
5313                                 AudioManager.USE_DEFAULT_STREAM_TYPE, flags, pkgName, TAG);
5314                     }
5315                 } catch (RemoteException e) {
5316                     Log.e(TAG, "Error dispatching mute in dispatchTvAudioEvent.", e);
5317                 }
5318                 break;
5319         }
5320     }
5321
5322     void dispatchMediaKeyWithWakeLock(KeyEvent event) {
5323         if (DEBUG_INPUT) {
5324             Slog.d(TAG, "dispatchMediaKeyWithWakeLock: " + event);
5325         }
5326
5327         if (mHavePendingMediaKeyRepeatWithWakeLock) {
5328             if (DEBUG_INPUT) {
5329                 Slog.d(TAG, "dispatchMediaKeyWithWakeLock: canceled repeat");
5330             }
5331
5332             mHandler.removeMessages(MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK);
5333             mHavePendingMediaKeyRepeatWithWakeLock = false;
5334             mBroadcastWakeLock.release(); // pending repeat was holding onto the wake lock
5335         }
5336
5337         dispatchMediaKeyWithWakeLockToAudioService(event);
5338
5339         if (event.getAction() == KeyEvent.ACTION_DOWN
5340                 && event.getRepeatCount() == 0) {
5341             mHavePendingMediaKeyRepeatWithWakeLock = true;
5342
5343             Message msg = mHandler.obtainMessage(
5344                     MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK, event);
5345             msg.setAsynchronous(true);
5346             mHandler.sendMessageDelayed(msg, ViewConfiguration.getKeyRepeatTimeout());
5347         } else {
5348             mBroadcastWakeLock.release();
5349         }
5350     }
5351
5352     void dispatchMediaKeyRepeatWithWakeLock(KeyEvent event) {
5353         mHavePendingMediaKeyRepeatWithWakeLock = false;
5354
5355         KeyEvent repeatEvent = KeyEvent.changeTimeRepeat(event,
5356                 SystemClock.uptimeMillis(), 1, event.getFlags() | KeyEvent.FLAG_LONG_PRESS);
5357         if (DEBUG_INPUT) {
5358             Slog.d(TAG, "dispatchMediaKeyRepeatWithWakeLock: " + repeatEvent);
5359         }
5360
5361         dispatchMediaKeyWithWakeLockToAudioService(repeatEvent);
5362         mBroadcastWakeLock.release();
5363     }
5364
5365     void dispatchMediaKeyWithWakeLockToAudioService(KeyEvent event) {
5366         if (ActivityManagerNative.isSystemReady()) {
5367             MediaSessionLegacyHelper.getHelper(mContext).sendMediaButtonEvent(event, true);
5368         }
5369     }
5370
5371     void launchVoiceAssistWithWakeLock(boolean keyguardActive) {
5372         IDeviceIdleController dic = IDeviceIdleController.Stub.asInterface(
5373                 ServiceManager.getService(Context.DEVICE_IDLE_CONTROLLER));
5374         if (dic != null) {
5375             try {
5376                 dic.exitIdle("voice-search");
5377             } catch (RemoteException e) {
5378             }
5379         }
5380         Intent voiceIntent =
5381             new Intent(RecognizerIntent.ACTION_VOICE_SEARCH_HANDS_FREE);
5382         voiceIntent.putExtra(RecognizerIntent.EXTRA_SECURE, keyguardActive);
5383         startActivityAsUser(voiceIntent, UserHandle.CURRENT_OR_SELF);
5384         mBroadcastWakeLock.release();
5385     }
5386
5387     BroadcastReceiver mDockReceiver = new BroadcastReceiver() {
5388         @Override
5389         public void onReceive(Context context, Intent intent) {
5390             if (Intent.ACTION_DOCK_EVENT.equals(intent.getAction())) {
5391                 mDockMode = intent.getIntExtra(Intent.EXTRA_DOCK_STATE,
5392                         Intent.EXTRA_DOCK_STATE_UNDOCKED);
5393             } else {
5394                 try {
5395                     IUiModeManager uiModeService = IUiModeManager.Stub.asInterface(
5396                             ServiceManager.getService(Context.UI_MODE_SERVICE));
5397                     mUiMode = uiModeService.getCurrentModeType();
5398                 } catch (RemoteException e) {
5399                 }
5400             }
5401             updateRotation(true);
5402             synchronized (mLock) {
5403                 updateOrientationListenerLp();
5404             }
5405         }
5406     };
5407
5408     BroadcastReceiver mDreamReceiver = new BroadcastReceiver() {
5409         @Override
5410         public void onReceive(Context context, Intent intent) {
5411             if (Intent.ACTION_DREAMING_STARTED.equals(intent.getAction())) {
5412                 if (mKeyguardDelegate != null) {
5413                     mKeyguardDelegate.onDreamingStarted();
5414                 }
5415             } else if (Intent.ACTION_DREAMING_STOPPED.equals(intent.getAction())) {
5416                 if (mKeyguardDelegate != null) {
5417                     mKeyguardDelegate.onDreamingStopped();
5418                 }
5419             }
5420         }
5421     };
5422
5423     BroadcastReceiver mMultiuserReceiver = new BroadcastReceiver() {
5424         @Override
5425         public void onReceive(Context context, Intent intent) {
5426             if (Intent.ACTION_USER_SWITCHED.equals(intent.getAction())) {
5427                 // tickle the settings observer: this first ensures that we're
5428                 // observing the relevant settings for the newly-active user,
5429                 // and then updates our own bookkeeping based on the now-
5430                 // current user.
5431                 mSettingsObserver.onChange(false);
5432
5433                 // force a re-application of focused window sysui visibility.
5434                 // the window may never have been shown for this user
5435                 // e.g. the keyguard when going through the new-user setup flow
5436                 synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
5437                     mLastSystemUiFlags = 0;
5438                     updateSystemUiVisibilityLw();
5439                 }
5440             }
5441         }
5442     };
5443
5444     private final Runnable mHiddenNavPanic = new Runnable() {
5445         @Override
5446         public void run() {
5447             synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
5448                 if (!isUserSetupComplete()) {
5449                     // Swipe-up for navigation bar is disabled during setup
5450                     return;
5451                 }
5452                 mPendingPanicGestureUptime = SystemClock.uptimeMillis();
5453                 mNavigationBarController.showTransient();
5454             }
5455         }
5456     };
5457
5458     private void requestTransientBars(WindowState swipeTarget) {
5459         synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
5460             if (!isUserSetupComplete()) {
5461                 // Swipe-up for navigation bar is disabled during setup
5462                 return;
5463             }
5464             boolean sb = mStatusBarController.checkShowTransientBarLw();
5465             boolean nb = mNavigationBarController.checkShowTransientBarLw();
5466             if (sb || nb) {
5467                 // Don't show status bar when swiping on already visible navigation bar
5468                 if (!nb && swipeTarget == mNavigationBar) {
5469                     if (DEBUG) Slog.d(TAG, "Not showing transient bar, wrong swipe target");
5470                     return;
5471                 }
5472                 if (sb) mStatusBarController.showTransient();
5473                 if (nb) mNavigationBarController.showTransient();
5474                 mImmersiveModeConfirmation.confirmCurrentPrompt();
5475                 updateSystemUiVisibilityLw();
5476             }
5477         }
5478     }
5479
5480     // Called on the PowerManager's Notifier thread.
5481     @Override
5482     public void startedGoingToSleep(int why) {
5483         if (DEBUG_WAKEUP) Slog.i(TAG, "Started going to sleep... (why=" + why + ")");
5484         if (mKeyguardDelegate != null) {
5485             mKeyguardDelegate.onStartedGoingToSleep(why);
5486         }
5487     }
5488
5489     // Called on the PowerManager's Notifier thread.
5490     @Override
5491     public void finishedGoingToSleep(int why) {
5492         EventLog.writeEvent(70000, 0);
5493         if (DEBUG_WAKEUP) Slog.i(TAG, "Finished going to sleep... (why=" + why + ")");
5494         MetricsLogger.histogram(mContext, "screen_timeout", mLockScreenTimeout / 1000);
5495
5496         // We must get this work done here because the power manager will drop
5497         // the wake lock and let the system suspend once this function returns.
5498         synchronized (mLock) {
5499             mAwake = false;
5500             updateWakeGestureListenerLp();
5501             updateOrientationListenerLp();
5502             updateLockScreenTimeout();
5503         }
5504         if (mKeyguardDelegate != null) {
5505             mKeyguardDelegate.onFinishedGoingToSleep(why);
5506         }
5507     }
5508
5509     // Called on the PowerManager's Notifier thread.
5510     @Override
5511     public void startedWakingUp() {
5512         EventLog.writeEvent(70000, 1);
5513         if (DEBUG_WAKEUP) Slog.i(TAG, "Started waking up...");
5514
5515         // Since goToSleep performs these functions synchronously, we must
5516         // do the same here.  We cannot post this work to a handler because
5517         // that might cause it to become reordered with respect to what
5518         // may happen in a future call to goToSleep.
5519         synchronized (mLock) {
5520             mAwake = true;
5521
5522             updateWakeGestureListenerLp();
5523             updateOrientationListenerLp();
5524             updateLockScreenTimeout();
5525         }
5526
5527         if (mKeyguardDelegate != null) {
5528             mKeyguardDelegate.onStartedWakingUp();
5529         }
5530     }
5531
5532     // Called on the PowerManager's Notifier thread.
5533     @Override
5534     public void finishedWakingUp() {
5535         if (DEBUG_WAKEUP) Slog.i(TAG, "Finished waking up...");
5536     }
5537
5538     private void wakeUpFromPowerKey(long eventTime) {
5539         wakeUp(eventTime, mAllowTheaterModeWakeFromPowerKey, "android.policy:POWER");
5540     }
5541
5542     private boolean wakeUp(long wakeTime, boolean wakeInTheaterMode, String reason) {
5543         final boolean theaterModeEnabled = isTheaterModeEnabled();
5544         if (!wakeInTheaterMode && theaterModeEnabled) {
5545             return false;
5546         }
5547
5548         if (theaterModeEnabled) {
5549             Settings.Global.putInt(mContext.getContentResolver(),
5550                     Settings.Global.THEATER_MODE_ON, 0);
5551         }
5552
5553         mPowerManager.wakeUp(wakeTime, reason);
5554         return true;
5555     }
5556
5557     private void finishKeyguardDrawn() {
5558         synchronized (mLock) {
5559             if (!mScreenOnEarly || mKeyguardDrawComplete) {
5560                 return; // We are not awake yet or we have already informed of this event.
5561             }
5562
5563             mKeyguardDrawComplete = true;
5564             if (mKeyguardDelegate != null) {
5565                 mHandler.removeMessages(MSG_KEYGUARD_DRAWN_TIMEOUT);
5566             }
5567             mWindowManagerDrawComplete = false;
5568         }
5569
5570         // ... eventually calls finishWindowsDrawn which will finalize our screen turn on
5571         // as well as enabling the orientation change logic/sensor.
5572         mWindowManagerInternal.waitForAllWindowsDrawn(mWindowManagerDrawCallback,
5573                 WAITING_FOR_DRAWN_TIMEOUT);
5574     }
5575
5576     // Called on the DisplayManager's DisplayPowerController thread.
5577     @Override
5578     public void screenTurnedOff() {
5579         if (DEBUG_WAKEUP) Slog.i(TAG, "Screen turned off...");
5580
5581         updateScreenOffSleepToken(true);
5582         synchronized (mLock) {
5583             mScreenOnEarly = false;
5584             mScreenOnFully = false;
5585             mKeyguardDrawComplete = false;
5586             mWindowManagerDrawComplete = false;
5587             mScreenOnListener = null;
5588             updateOrientationListenerLp();
5589
5590             if (mKeyguardDelegate != null) {
5591                 mKeyguardDelegate.onScreenTurnedOff();
5592             }
5593         }
5594     }
5595
5596     // Called on the DisplayManager's DisplayPowerController thread.
5597     @Override
5598     public void screenTurningOn(final ScreenOnListener screenOnListener) {
5599         if (DEBUG_WAKEUP) Slog.i(TAG, "Screen turning on...");
5600
5601         updateScreenOffSleepToken(false);
5602         synchronized (mLock) {
5603             mScreenOnEarly = true;
5604             mScreenOnFully = false;
5605             mKeyguardDrawComplete = false;
5606             mWindowManagerDrawComplete = false;
5607             mScreenOnListener = screenOnListener;
5608
5609             if (mKeyguardDelegate != null) {
5610                 mHandler.removeMessages(MSG_KEYGUARD_DRAWN_TIMEOUT);
5611                 mHandler.sendEmptyMessageDelayed(MSG_KEYGUARD_DRAWN_TIMEOUT, 1000);
5612                 mKeyguardDelegate.onScreenTurningOn(mKeyguardDrawnCallback);
5613             } else {
5614                 if (DEBUG_WAKEUP) Slog.d(TAG,
5615                         "null mKeyguardDelegate: setting mKeyguardDrawComplete.");
5616                 finishKeyguardDrawn();
5617             }
5618         }
5619     }
5620
5621     // Called on the DisplayManager's DisplayPowerController thread.
5622     @Override
5623     public void screenTurnedOn() {
5624         synchronized (mLock) {
5625             if (mKeyguardDelegate != null) {
5626                 mKeyguardDelegate.onScreenTurnedOn();
5627             }
5628         }
5629     }
5630
5631     private void finishWindowsDrawn() {
5632         synchronized (mLock) {
5633             if (!mScreenOnEarly || mWindowManagerDrawComplete) {
5634                 return; // Screen is not turned on or we did already handle this case earlier.
5635             }
5636
5637             mWindowManagerDrawComplete = true;
5638         }
5639
5640         finishScreenTurningOn();
5641     }
5642
5643     private void finishScreenTurningOn() {
5644         synchronized (mLock) {
5645             // We have just finished drawing screen content. Since the orientation listener
5646             // gets only installed when all windows are drawn, we try to install it again.
5647             updateOrientationListenerLp();
5648         }
5649         final ScreenOnListener listener;
5650         final boolean enableScreen;
5651         synchronized (mLock) {
5652             if (DEBUG_WAKEUP) Slog.d(TAG,
5653                     "finishScreenTurningOn: mAwake=" + mAwake
5654                             + ", mScreenOnEarly=" + mScreenOnEarly
5655                             + ", mScreenOnFully=" + mScreenOnFully
5656                             + ", mKeyguardDrawComplete=" + mKeyguardDrawComplete
5657                             + ", mWindowManagerDrawComplete=" + mWindowManagerDrawComplete);
5658
5659             if (mScreenOnFully || !mScreenOnEarly || !mWindowManagerDrawComplete
5660                     || (mAwake && !mKeyguardDrawComplete)) {
5661                 return; // spurious or not ready yet
5662             }
5663
5664             if (DEBUG_WAKEUP) Slog.i(TAG, "Finished screen turning on...");
5665             listener = mScreenOnListener;
5666             mScreenOnListener = null;
5667             mScreenOnFully = true;
5668
5669             // Remember the first time we draw the keyguard so we know when we're done with
5670             // the main part of booting and can enable the screen and hide boot messages.
5671             if (!mKeyguardDrawnOnce && mAwake) {
5672                 mKeyguardDrawnOnce = true;
5673                 enableScreen = true;
5674                 if (mBootMessageNeedsHiding) {
5675                     mBootMessageNeedsHiding = false;
5676                     hideBootMessages();
5677                 }
5678             } else {
5679                 enableScreen = false;
5680             }
5681         }
5682
5683         if (listener != null) {
5684             listener.onScreenOn();
5685         }
5686
5687         if (enableScreen) {
5688             try {
5689                 mWindowManager.enableScreenIfNeeded();
5690             } catch (RemoteException unhandled) {
5691             }
5692         }
5693     }
5694
5695     private void handleHideBootMessage() {
5696         synchronized (mLock) {
5697             if (!mKeyguardDrawnOnce) {
5698                 mBootMessageNeedsHiding = true;
5699                 return; // keyguard hasn't drawn the first time yet, not done booting
5700             }
5701         }
5702
5703         if (mBootMsgDialog != null) {
5704             if (DEBUG_WAKEUP) Slog.d(TAG, "handleHideBootMessage: dismissing");
5705             mBootMsgDialog.dismiss();
5706             mBootMsgDialog = null;
5707         }
5708     }
5709
5710     @Override
5711     public boolean isScreenOn() {
5712         return mScreenOnFully;
5713     }
5714
5715     /** {@inheritDoc} */
5716     @Override
5717     public void enableKeyguard(boolean enabled) {
5718         if (mKeyguardDelegate != null) {
5719             mKeyguardDelegate.setKeyguardEnabled(enabled);
5720         }
5721     }
5722
5723     /** {@inheritDoc} */
5724     @Override
5725     public void exitKeyguardSecurely(OnKeyguardExitResult callback) {
5726         if (mKeyguardDelegate != null) {
5727             mKeyguardDelegate.verifyUnlock(callback);
5728         }
5729     }
5730
5731     private boolean isKeyguardShowingAndNotOccluded() {
5732         if (mKeyguardDelegate == null) return false;
5733         return mKeyguardDelegate.isShowing() && !mKeyguardOccluded;
5734     }
5735
5736     /** {@inheritDoc} */
5737     @Override
5738     public boolean isKeyguardLocked() {
5739         return keyguardOn();
5740     }
5741
5742     /** {@inheritDoc} */
5743     @Override
5744     public boolean isKeyguardSecure() {
5745         if (mKeyguardDelegate == null) return false;
5746         return mKeyguardDelegate.isSecure();
5747     }
5748
5749     /** {@inheritDoc} */
5750     @Override
5751     public boolean isKeyguardShowingOrOccluded() {
5752         return mKeyguardDelegate == null ? false : mKeyguardDelegate.isShowing();
5753     }
5754
5755     /** {@inheritDoc} */
5756     @Override
5757     public boolean inKeyguardRestrictedKeyInputMode() {
5758         if (mKeyguardDelegate == null) return false;
5759         return mKeyguardDelegate.isInputRestricted();
5760     }
5761
5762     @Override
5763     public void dismissKeyguardLw() {
5764         if (mKeyguardDelegate != null && mKeyguardDelegate.isShowing()) {
5765             if (DEBUG_KEYGUARD) Slog.d(TAG, "PWM.dismissKeyguardLw");
5766             mHandler.post(new Runnable() {
5767                 @Override
5768                 public void run() {
5769                     // ask the keyguard to prompt the user to authenticate if necessary
5770                     mKeyguardDelegate.dismiss();
5771                 }
5772             });
5773         }
5774     }
5775
5776     public void notifyActivityDrawnForKeyguardLw() {
5777         if (mKeyguardDelegate != null) {
5778             mHandler.post(new Runnable() {
5779                 @Override
5780                 public void run() {
5781                     mKeyguardDelegate.onActivityDrawn();
5782                 }
5783             });
5784         }
5785     }
5786
5787     @Override
5788     public boolean isKeyguardDrawnLw() {
5789         synchronized (mLock) {
5790             return mKeyguardDrawnOnce;
5791         }
5792     }
5793
5794     @Override
5795     public void startKeyguardExitAnimation(long startTime, long fadeoutDuration) {
5796         if (mKeyguardDelegate != null) {
5797             if (DEBUG_KEYGUARD) Slog.d(TAG, "PWM.startKeyguardExitAnimation");
5798             mKeyguardDelegate.startKeyguardExitAnimation(startTime, fadeoutDuration);
5799         }
5800     }
5801
5802     void sendCloseSystemWindows() {
5803         PhoneWindow.sendCloseSystemWindows(mContext, null);
5804     }
5805
5806     void sendCloseSystemWindows(String reason) {
5807         PhoneWindow.sendCloseSystemWindows(mContext, reason);
5808     }
5809
5810     @Override
5811     public int rotationForOrientationLw(int orientation, int lastRotation) {
5812         if (false) {
5813             Slog.v(TAG, "rotationForOrientationLw(orient="
5814                         + orientation + ", last=" + lastRotation
5815                         + "); user=" + mUserRotation + " "
5816                         + ((mUserRotationMode == WindowManagerPolicy.USER_ROTATION_LOCKED)
5817                             ? "USER_ROTATION_LOCKED" : "")
5818                         );
5819         }
5820
5821         if (mForceDefaultOrientation) {
5822             return Surface.ROTATION_0;
5823         }
5824
5825         synchronized (mLock) {
5826             int sensorRotation = mOrientationListener.getProposedRotation(); // may be -1
5827             if (sensorRotation < 0) {
5828                 sensorRotation = lastRotation;
5829             }
5830
5831             final int preferredRotation;
5832             if (mLidState == LID_OPEN && mLidOpenRotation >= 0) {
5833                 // Ignore sensor when lid switch is open and rotation is forced.
5834                 preferredRotation = mLidOpenRotation;
5835             } else if (mDockMode == Intent.EXTRA_DOCK_STATE_CAR
5836                     && (mCarDockEnablesAccelerometer || mCarDockRotation >= 0)) {
5837                 // Ignore sensor when in car dock unless explicitly enabled.
5838                 // This case can override the behavior of NOSENSOR, and can also
5839                 // enable 180 degree rotation while docked.
5840                 preferredRotation = mCarDockEnablesAccelerometer
5841                         ? sensorRotation : mCarDockRotation;
5842             } else if ((mDockMode == Intent.EXTRA_DOCK_STATE_DESK
5843                     || mDockMode == Intent.EXTRA_DOCK_STATE_LE_DESK
5844                     || mDockMode == Intent.EXTRA_DOCK_STATE_HE_DESK)
5845                     && (mDeskDockEnablesAccelerometer || mDeskDockRotation >= 0)) {
5846                 // Ignore sensor when in desk dock unless explicitly enabled.
5847                 // This case can override the behavior of NOSENSOR, and can also
5848                 // enable 180 degree rotation while docked.
5849                 preferredRotation = mDeskDockEnablesAccelerometer
5850                         ? sensorRotation : mDeskDockRotation;
5851             } else if (mHdmiPlugged && mDemoHdmiRotationLock) {
5852                 // Ignore sensor when plugged into HDMI when demo HDMI rotation lock enabled.
5853                 // Note that the dock orientation overrides the HDMI orientation.
5854                 preferredRotation = mDemoHdmiRotation;
5855             } else if (mHdmiPlugged && mDockMode == Intent.EXTRA_DOCK_STATE_UNDOCKED
5856                     && mUndockedHdmiRotation >= 0) {
5857                 // Ignore sensor when plugged into HDMI and an undocked orientation has
5858                 // been specified in the configuration (only for legacy devices without
5859                 // full multi-display support).
5860                 // Note that the dock orientation overrides the HDMI orientation.
5861                 preferredRotation = mUndockedHdmiRotation;
5862             } else if (mDemoRotationLock) {
5863                 // Ignore sensor when demo rotation lock is enabled.
5864                 // Note that the dock orientation and HDMI rotation lock override this.
5865                 preferredRotation = mDemoRotation;
5866             } else if (orientation == ActivityInfo.SCREEN_ORIENTATION_LOCKED) {
5867                 // Application just wants to remain locked in the last rotation.
5868                 preferredRotation = lastRotation;
5869             } else if (!mSupportAutoRotation) {
5870                 // If we don't support auto-rotation then bail out here and ignore
5871                 // the sensor and any rotation lock settings.
5872                 preferredRotation = -1;
5873             } else if ((mUserRotationMode == WindowManagerPolicy.USER_ROTATION_FREE
5874                             && (orientation == ActivityInfo.SCREEN_ORIENTATION_USER
5875                                     || orientation == ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED
5876                                     || orientation == ActivityInfo.SCREEN_ORIENTATION_USER_LANDSCAPE
5877                                     || orientation == ActivityInfo.SCREEN_ORIENTATION_USER_PORTRAIT
5878                                     || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_USER))
5879                     || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR
5880                     || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR
5881                     || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE
5882                     || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT) {
5883                 // Otherwise, use sensor only if requested by the application or enabled
5884                 // by default for USER or UNSPECIFIED modes.  Does not apply to NOSENSOR.
5885                 if (mAllowAllRotations < 0) {
5886                     // Can't read this during init() because the context doesn't
5887                     // have display metrics at that time so we cannot determine
5888                     // tablet vs. phone then.
5889                     mAllowAllRotations = mContext.getResources().getBoolean(
5890                             com.android.internal.R.bool.config_allowAllRotations) ? 1 : 0;
5891                 }
5892                 if (sensorRotation != Surface.ROTATION_180
5893                         || mAllowAllRotations == 1
5894                         || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR
5895                         || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_USER) {
5896                     preferredRotation = sensorRotation;
5897                 } else {
5898                     preferredRotation = lastRotation;
5899                 }
5900             } else if (mUserRotationMode == WindowManagerPolicy.USER_ROTATION_LOCKED
5901                     && orientation != ActivityInfo.SCREEN_ORIENTATION_NOSENSOR) {
5902                 // Apply rotation lock.  Does not apply to NOSENSOR.
5903                 // The idea is that the user rotation expresses a weak preference for the direction
5904                 // of gravity and as NOSENSOR is never affected by gravity, then neither should
5905                 // NOSENSOR be affected by rotation lock (although it will be affected by docks).
5906                 preferredRotation = mUserRotation;
5907             } else {
5908                 // No overriding preference.
5909                 // We will do exactly what the application asked us to do.
5910                 preferredRotation = -1;
5911             }
5912
5913             switch (orientation) {
5914                 case ActivityInfo.SCREEN_ORIENTATION_PORTRAIT:
5915                     // Return portrait unless overridden.
5916                     if (isAnyPortrait(preferredRotation)) {
5917                         return preferredRotation;
5918                     }
5919                     return mPortraitRotation;
5920
5921                 case ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE:
5922                     // Return landscape unless overridden.
5923                     if (isLandscapeOrSeascape(preferredRotation)) {
5924                         return preferredRotation;
5925                     }
5926                     return mLandscapeRotation;
5927
5928                 case ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT:
5929                     // Return reverse portrait unless overridden.
5930                     if (isAnyPortrait(preferredRotation)) {
5931                         return preferredRotation;
5932                     }
5933                     return mUpsideDownRotation;
5934
5935                 case ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE:
5936                     // Return seascape unless overridden.
5937                     if (isLandscapeOrSeascape(preferredRotation)) {
5938                         return preferredRotation;
5939                     }
5940                     return mSeascapeRotation;
5941
5942                 case ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE:
5943                 case ActivityInfo.SCREEN_ORIENTATION_USER_LANDSCAPE:
5944                     // Return either landscape rotation.
5945                     if (isLandscapeOrSeascape(preferredRotation)) {
5946                         return preferredRotation;
5947                     }
5948                     if (isLandscapeOrSeascape(lastRotation)) {
5949                         return lastRotation;
5950                     }
5951                     return mLandscapeRotation;
5952
5953                 case ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT:
5954                 case ActivityInfo.SCREEN_ORIENTATION_USER_PORTRAIT:
5955                     // Return either portrait rotation.
5956                     if (isAnyPortrait(preferredRotation)) {
5957                         return preferredRotation;
5958                     }
5959                     if (isAnyPortrait(lastRotation)) {
5960                         return lastRotation;
5961                     }
5962                     return mPortraitRotation;
5963
5964                 default:
5965                     // For USER, UNSPECIFIED, NOSENSOR, SENSOR and FULL_SENSOR,
5966                     // just return the preferred orientation we already calculated.
5967                     if (preferredRotation >= 0) {
5968                         return preferredRotation;
5969                     }
5970                     return Surface.ROTATION_0;
5971             }
5972         }
5973     }
5974
5975     @Override
5976     public boolean rotationHasCompatibleMetricsLw(int orientation, int rotation) {
5977         switch (orientation) {
5978             case ActivityInfo.SCREEN_ORIENTATION_PORTRAIT:
5979             case ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT:
5980             case ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT:
5981                 return isAnyPortrait(rotation);
5982
5983             case ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE:
5984             case ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE:
5985             case ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE:
5986                 return isLandscapeOrSeascape(rotation);
5987
5988             default:
5989                 return true;
5990         }
5991     }
5992
5993     @Override
5994     public void setRotationLw(int rotation) {
5995         mOrientationListener.setCurrentRotation(rotation);
5996     }
5997
5998     private boolean isLandscapeOrSeascape(int rotation) {
5999         return rotation == mLandscapeRotation || rotation == mSeascapeRotation;
6000     }
6001
6002     private boolean isAnyPortrait(int rotation) {
6003         return rotation == mPortraitRotation || rotation == mUpsideDownRotation;
6004     }
6005
6006     @Override
6007     public int getUserRotationMode() {
6008         return Settings.System.getIntForUser(mContext.getContentResolver(),
6009                 Settings.System.ACCELEROMETER_ROTATION, 0, UserHandle.USER_CURRENT) != 0 ?
6010                         WindowManagerPolicy.USER_ROTATION_FREE :
6011                                 WindowManagerPolicy.USER_ROTATION_LOCKED;
6012     }
6013
6014     // User rotation: to be used when all else fails in assigning an orientation to the device
6015     @Override
6016     public void setUserRotationMode(int mode, int rot) {
6017         ContentResolver res = mContext.getContentResolver();
6018
6019         // mUserRotationMode and mUserRotation will be assigned by the content observer
6020         if (mode == WindowManagerPolicy.USER_ROTATION_LOCKED) {
6021             Settings.System.putIntForUser(res,
6022                     Settings.System.USER_ROTATION,
6023                     rot,
6024                     UserHandle.USER_CURRENT);
6025             Settings.System.putIntForUser(res,
6026                     Settings.System.ACCELEROMETER_ROTATION,
6027                     0,
6028                     UserHandle.USER_CURRENT);
6029         } else {
6030             Settings.System.putIntForUser(res,
6031                     Settings.System.ACCELEROMETER_ROTATION,
6032                     1,
6033                     UserHandle.USER_CURRENT);
6034         }
6035     }
6036
6037     @Override
6038     public void setSafeMode(boolean safeMode) {
6039         mSafeMode = safeMode;
6040         performHapticFeedbackLw(null, safeMode
6041                 ? HapticFeedbackConstants.SAFE_MODE_ENABLED
6042                 : HapticFeedbackConstants.SAFE_MODE_DISABLED, true);
6043     }
6044
6045     static long[] getLongIntArray(Resources r, int resid) {
6046         int[] ar = r.getIntArray(resid);
6047         if (ar == null) {
6048             return null;
6049         }
6050         long[] out = new long[ar.length];
6051         for (int i=0; i<ar.length; i++) {
6052             out[i] = ar[i];
6053         }
6054         return out;
6055     }
6056
6057     /** {@inheritDoc} */
6058     @Override
6059     public void systemReady() {
6060         mKeyguardDelegate = new KeyguardServiceDelegate(mContext);
6061         mKeyguardDelegate.onSystemReady();
6062
6063         readCameraLensCoverState();
6064         updateUiMode();
6065         boolean bindKeyguardNow;
6066         synchronized (mLock) {
6067             updateOrientationListenerLp();
6068             mSystemReady = true;
6069             mHandler.post(new Runnable() {
6070                 @Override
6071                 public void run() {
6072                     updateSettings();
6073                 }
6074             });
6075
6076             bindKeyguardNow = mDeferBindKeyguard;
6077             if (bindKeyguardNow) {
6078                 // systemBooted ran but wasn't able to bind to the Keyguard, we'll do it now.
6079                 mDeferBindKeyguard = false;
6080             }
6081         }
6082
6083         if (bindKeyguardNow) {
6084             mKeyguardDelegate.bindService(mContext);
6085             mKeyguardDelegate.onBootCompleted();
6086         }
6087         mSystemGestures.systemReady();
6088     }
6089
6090     /** {@inheritDoc} */
6091     @Override
6092     public void systemBooted() {
6093         boolean bindKeyguardNow = false;
6094         synchronized (mLock) {
6095             // Time to bind Keyguard; take care to only bind it once, either here if ready or
6096             // in systemReady if not.
6097             if (mKeyguardDelegate != null) {
6098                 bindKeyguardNow = true;
6099             } else {
6100                 // Because mKeyguardDelegate is null, we know that the synchronized block in
6101                 // systemReady didn't run yet and setting this will actually have an effect.
6102                 mDeferBindKeyguard = true;
6103             }
6104         }
6105         if (bindKeyguardNow) {
6106             mKeyguardDelegate.bindService(mContext);
6107             mKeyguardDelegate.onBootCompleted();
6108         }
6109         synchronized (mLock) {
6110             mSystemBooted = true;
6111         }
6112         startedWakingUp();
6113         screenTurningOn(null);
6114         screenTurnedOn();
6115     }
6116
6117     ProgressDialog mBootMsgDialog = null;
6118
6119     /** {@inheritDoc} */
6120     @Override
6121     public void showBootMessage(final CharSequence msg, final boolean always) {
6122         mHandler.post(new Runnable() {
6123             @Override public void run() {
6124                 if (mBootMsgDialog == null) {
6125                     int theme;
6126                     if (mContext.getPackageManager().hasSystemFeature(
6127                             PackageManager.FEATURE_WATCH)) {
6128                         theme = com.android.internal.R.style.Theme_Micro_Dialog_Alert;
6129                     } else if (mContext.getPackageManager().hasSystemFeature(
6130                             PackageManager.FEATURE_TELEVISION)) {
6131                         theme = com.android.internal.R.style.Theme_Leanback_Dialog_Alert;
6132                     } else {
6133                         theme = 0;
6134                     }
6135
6136                     mBootMsgDialog = new ProgressDialog(mContext, theme) {
6137                         // This dialog will consume all events coming in to
6138                         // it, to avoid it trying to do things too early in boot.
6139                         @Override public boolean dispatchKeyEvent(KeyEvent event) {
6140                             return true;
6141                         }
6142                         @Override public boolean dispatchKeyShortcutEvent(KeyEvent event) {
6143                             return true;
6144                         }
6145                         @Override public boolean dispatchTouchEvent(MotionEvent ev) {
6146                             return true;
6147                         }
6148                         @Override public boolean dispatchTrackballEvent(MotionEvent ev) {
6149                             return true;
6150                         }
6151                         @Override public boolean dispatchGenericMotionEvent(MotionEvent ev) {
6152                             return true;
6153                         }
6154                         @Override public boolean dispatchPopulateAccessibilityEvent(
6155                                 AccessibilityEvent event) {
6156                             return true;
6157                         }
6158                     };
6159                     if (mContext.getPackageManager().isUpgrade()) {
6160                         mBootMsgDialog.setTitle(R.string.android_upgrading_title);
6161                     } else {
6162                         mBootMsgDialog.setTitle(R.string.android_start_title);
6163                     }
6164                     mBootMsgDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);
6165                     mBootMsgDialog.setIndeterminate(true);
6166                     mBootMsgDialog.getWindow().setType(
6167                             WindowManager.LayoutParams.TYPE_BOOT_PROGRESS);
6168                     mBootMsgDialog.getWindow().addFlags(
6169                             WindowManager.LayoutParams.FLAG_DIM_BEHIND
6170                             | WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN);
6171                     mBootMsgDialog.getWindow().setDimAmount(1);
6172                     WindowManager.LayoutParams lp = mBootMsgDialog.getWindow().getAttributes();
6173                     lp.screenOrientation = ActivityInfo.SCREEN_ORIENTATION_NOSENSOR;
6174                     mBootMsgDialog.getWindow().setAttributes(lp);
6175                     mBootMsgDialog.setCancelable(false);
6176                     mBootMsgDialog.show();
6177                 }
6178                 mBootMsgDialog.setMessage(msg);
6179             }
6180         });
6181     }
6182
6183     /** {@inheritDoc} */
6184     @Override
6185     public void hideBootMessages() {
6186         mHandler.sendEmptyMessage(MSG_HIDE_BOOT_MESSAGE);
6187     }
6188
6189     /** {@inheritDoc} */
6190     @Override
6191     public void userActivity() {
6192         // ***************************************
6193         // NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE
6194         // ***************************************
6195         // THIS IS CALLED FROM DEEP IN THE POWER MANAGER
6196         // WITH ITS LOCKS HELD.
6197         //
6198         // This code must be VERY careful about the locks
6199         // it acquires.
6200         // In fact, the current code acquires way too many,
6201         // and probably has lurking deadlocks.
6202
6203         synchronized (mScreenLockTimeout) {
6204             if (mLockScreenTimerActive) {
6205                 // reset the timer
6206                 mHandler.removeCallbacks(mScreenLockTimeout);
6207                 mHandler.postDelayed(mScreenLockTimeout, mLockScreenTimeout);
6208             }
6209         }
6210     }
6211
6212     class ScreenLockTimeout implements Runnable {
6213         Bundle options;
6214
6215         @Override
6216         public void run() {
6217             synchronized (this) {
6218                 if (localLOGV) Log.v(TAG, "mScreenLockTimeout activating keyguard");
6219                 if (mKeyguardDelegate != null) {
6220                     mKeyguardDelegate.doKeyguardTimeout(options);
6221                 }
6222                 mLockScreenTimerActive = false;
6223                 options = null;
6224             }
6225         }
6226
6227         public void setLockOptions(Bundle options) {
6228             this.options = options;
6229         }
6230     }
6231
6232     ScreenLockTimeout mScreenLockTimeout = new ScreenLockTimeout();
6233
6234     @Override
6235     public void lockNow(Bundle options) {
6236         mContext.enforceCallingOrSelfPermission(android.Manifest.permission.DEVICE_POWER, null);
6237         mHandler.removeCallbacks(mScreenLockTimeout);
6238         if (options != null) {
6239             // In case multiple calls are made to lockNow, we don't wipe out the options
6240             // until the runnable actually executes.
6241             mScreenLockTimeout.setLockOptions(options);
6242         }
6243         mHandler.post(mScreenLockTimeout);
6244     }
6245
6246     private void updateLockScreenTimeout() {
6247         synchronized (mScreenLockTimeout) {
6248             boolean enable = (mAllowLockscreenWhenOn && mAwake &&
6249                     mKeyguardDelegate != null && mKeyguardDelegate.isSecure());
6250             if (mLockScreenTimerActive != enable) {
6251                 if (enable) {
6252                     if (localLOGV) Log.v(TAG, "setting lockscreen timer");
6253                     mHandler.postDelayed(mScreenLockTimeout, mLockScreenTimeout);
6254                 } else {
6255                     if (localLOGV) Log.v(TAG, "clearing lockscreen timer");
6256                     mHandler.removeCallbacks(mScreenLockTimeout);
6257                 }
6258                 mLockScreenTimerActive = enable;
6259             }
6260         }
6261     }
6262
6263     private void updateDreamingSleepToken(boolean acquire) {
6264         if (acquire) {
6265             if (mDreamingSleepToken == null) {
6266                 mDreamingSleepToken = mActivityManagerInternal.acquireSleepToken("Dream");
6267             }
6268         } else {
6269             if (mDreamingSleepToken != null) {
6270                 mDreamingSleepToken.release();
6271                 mDreamingSleepToken = null;
6272             }
6273         }
6274     }
6275
6276     private void updateScreenOffSleepToken(boolean acquire) {
6277         if (acquire) {
6278             if (mScreenOffSleepToken == null) {
6279                 mScreenOffSleepToken = mActivityManagerInternal.acquireSleepToken("ScreenOff");
6280             }
6281         } else {
6282             if (mScreenOffSleepToken != null) {
6283                 mScreenOffSleepToken.release();
6284                 mScreenOffSleepToken = null;
6285             }
6286         }
6287     }
6288
6289     /** {@inheritDoc} */
6290     @Override
6291     public void enableScreenAfterBoot() {
6292         readLidState();
6293         applyLidSwitchState();
6294         updateRotation(true);
6295     }
6296
6297     private void applyLidSwitchState() {
6298         if (mLidState == LID_CLOSED && mLidControlsSleep) {
6299             mPowerManager.goToSleep(SystemClock.uptimeMillis(),
6300                     PowerManager.GO_TO_SLEEP_REASON_LID_SWITCH,
6301                     PowerManager.GO_TO_SLEEP_FLAG_NO_DOZE);
6302         }
6303
6304         synchronized (mLock) {
6305             updateWakeGestureListenerLp();
6306         }
6307     }
6308
6309     void updateUiMode() {
6310         if (mUiModeManager == null) {
6311             mUiModeManager = IUiModeManager.Stub.asInterface(
6312                     ServiceManager.getService(Context.UI_MODE_SERVICE));
6313         }
6314         try {
6315             mUiMode = mUiModeManager.getCurrentModeType();
6316         } catch (RemoteException e) {
6317         }
6318     }
6319
6320     void updateRotation(boolean alwaysSendConfiguration) {
6321         try {
6322             //set orientation on WindowManager
6323             mWindowManager.updateRotation(alwaysSendConfiguration, false);
6324         } catch (RemoteException e) {
6325             // Ignore
6326         }
6327     }
6328
6329     void updateRotation(boolean alwaysSendConfiguration, boolean forceRelayout) {
6330         try {
6331             //set orientation on WindowManager
6332             mWindowManager.updateRotation(alwaysSendConfiguration, forceRelayout);
6333         } catch (RemoteException e) {
6334             // Ignore
6335         }
6336     }
6337
6338     /**
6339      * Return an Intent to launch the currently active dock app as home.  Returns
6340      * null if the standard home should be launched, which is the case if any of the following is
6341      * true:
6342      * <ul>
6343      *  <li>The device is not in either car mode or desk mode
6344      *  <li>The device is in car mode but ENABLE_CAR_DOCK_HOME_CAPTURE is false
6345      *  <li>The device is in desk mode but ENABLE_DESK_DOCK_HOME_CAPTURE is false
6346      *  <li>The device is in car mode but there's no CAR_DOCK app with METADATA_DOCK_HOME
6347      *  <li>The device is in desk mode but there's no DESK_DOCK app with METADATA_DOCK_HOME
6348      * </ul>
6349      * @return A dock intent.
6350      */
6351     Intent createHomeDockIntent() {
6352         Intent intent = null;
6353
6354         // What home does is based on the mode, not the dock state.  That
6355         // is, when in car mode you should be taken to car home regardless
6356         // of whether we are actually in a car dock.
6357         if (mUiMode == Configuration.UI_MODE_TYPE_CAR) {
6358             if (ENABLE_CAR_DOCK_HOME_CAPTURE) {
6359                 intent = mCarDockIntent;
6360             }
6361         } else if (mUiMode == Configuration.UI_MODE_TYPE_DESK) {
6362             if (ENABLE_DESK_DOCK_HOME_CAPTURE) {
6363                 intent = mDeskDockIntent;
6364             }
6365         } else if (mUiMode == Configuration.UI_MODE_TYPE_WATCH
6366                 && (mDockMode == Intent.EXTRA_DOCK_STATE_DESK
6367                         || mDockMode == Intent.EXTRA_DOCK_STATE_HE_DESK
6368                         || mDockMode == Intent.EXTRA_DOCK_STATE_LE_DESK)) {
6369             // Always launch dock home from home when watch is docked, if it exists.
6370             intent = mDeskDockIntent;
6371         }
6372
6373         if (intent == null) {
6374             return null;
6375         }
6376
6377         ActivityInfo ai = null;
6378         ResolveInfo info = mContext.getPackageManager().resolveActivityAsUser(
6379                 intent,
6380                 PackageManager.MATCH_DEFAULT_ONLY | PackageManager.GET_META_DATA,
6381                 mCurrentUserId);
6382         if (info != null) {
6383             ai = info.activityInfo;
6384         }
6385         if (ai != null
6386                 && ai.metaData != null
6387                 && ai.metaData.getBoolean(Intent.METADATA_DOCK_HOME)) {
6388             intent = new Intent(intent);
6389             intent.setClassName(ai.packageName, ai.name);
6390             return intent;
6391         }
6392
6393         return null;
6394     }
6395
6396     void startDockOrHome(boolean fromHomeKey, boolean awakenFromDreams) {
6397         if (awakenFromDreams) {
6398             awakenDreams();
6399         }
6400
6401         Intent dock = createHomeDockIntent();
6402         if (dock != null) {
6403             try {
6404                 if (fromHomeKey) {
6405                     dock.putExtra(WindowManagerPolicy.EXTRA_FROM_HOME_KEY, fromHomeKey);
6406                 }
6407                 startActivityAsUser(dock, UserHandle.CURRENT);
6408                 return;
6409             } catch (ActivityNotFoundException e) {
6410             }
6411         }
6412
6413         Intent intent;
6414
6415         if (fromHomeKey) {
6416             intent = new Intent(mHomeIntent);
6417             intent.putExtra(WindowManagerPolicy.EXTRA_FROM_HOME_KEY, fromHomeKey);
6418         } else {
6419             intent = mHomeIntent;
6420         }
6421
6422         startActivityAsUser(intent, UserHandle.CURRENT);
6423     }
6424
6425     /**
6426      * goes to the home screen
6427      * @return whether it did anything
6428      */
6429     boolean goHome() {
6430         if (!isUserSetupComplete()) {
6431             Slog.i(TAG, "Not going home because user setup is in progress.");
6432             return false;
6433         }
6434         if (false) {
6435             // This code always brings home to the front.
6436             try {
6437                 ActivityManagerNative.getDefault().stopAppSwitches();
6438             } catch (RemoteException e) {
6439             }
6440             sendCloseSystemWindows();
6441             startDockOrHome(false /*fromHomeKey*/, true /* awakenFromDreams */);
6442         } else {
6443             // This code brings home to the front or, if it is already
6444             // at the front, puts the device to sleep.
6445             try {
6446                 if (SystemProperties.getInt("persist.sys.uts-test-mode", 0) == 1) {
6447                     /// Roll back EndcallBehavior as the cupcake design to pass P1 lab entry.
6448                     Log.d(TAG, "UTS-TEST-MODE");
6449                 } else {
6450                     ActivityManagerNative.getDefault().stopAppSwitches();
6451                     sendCloseSystemWindows();
6452                     Intent dock = createHomeDockIntent();
6453                     if (dock != null) {
6454                         int result = ActivityManagerNative.getDefault()
6455                                 .startActivityAsUser(null, null, dock,
6456                                         dock.resolveTypeIfNeeded(mContext.getContentResolver()),
6457                                         null, null, 0,
6458                                         ActivityManager.START_FLAG_ONLY_IF_NEEDED,
6459                                         null, null, UserHandle.USER_CURRENT);
6460                         if (result == ActivityManager.START_RETURN_INTENT_TO_CALLER) {
6461                             return false;
6462                         }
6463                     }
6464                 }
6465                 int result = ActivityManagerNative.getDefault()
6466                         .startActivityAsUser(null, null, mHomeIntent,
6467                                 mHomeIntent.resolveTypeIfNeeded(mContext.getContentResolver()),
6468                                 null, null, 0,
6469                                 ActivityManager.START_FLAG_ONLY_IF_NEEDED,
6470                                 null, null, UserHandle.USER_CURRENT);
6471                 if (result == ActivityManager.START_RETURN_INTENT_TO_CALLER) {
6472                     return false;
6473                 }
6474             } catch (RemoteException ex) {
6475                 // bummer, the activity manager, which is in this process, is dead
6476             }
6477         }
6478         return true;
6479     }
6480
6481     @Override
6482     public void setCurrentOrientationLw(int newOrientation) {
6483         synchronized (mLock) {
6484             if (newOrientation != mCurrentAppOrientation) {
6485                 mCurrentAppOrientation = newOrientation;
6486                 updateOrientationListenerLp();
6487             }
6488         }
6489     }
6490
6491     private void performAuditoryFeedbackForAccessibilityIfNeed() {
6492         if (!isGlobalAccessibilityGestureEnabled()) {
6493             return;
6494         }
6495         AudioManager audioManager = (AudioManager) mContext.getSystemService(
6496                 Context.AUDIO_SERVICE);
6497         if (audioManager.isSilentMode()) {
6498             return;
6499         }
6500         Ringtone ringTone = RingtoneManager.getRingtone(mContext,
6501                 Settings.System.DEFAULT_NOTIFICATION_URI);
6502         ringTone.setStreamType(AudioManager.STREAM_MUSIC);
6503         ringTone.play();
6504     }
6505
6506     private boolean isTheaterModeEnabled() {
6507         return Settings.Global.getInt(mContext.getContentResolver(),
6508                 Settings.Global.THEATER_MODE_ON, 0) == 1;
6509     }
6510
6511     private boolean isGlobalAccessibilityGestureEnabled() {
6512         return Settings.Global.getInt(mContext.getContentResolver(),
6513                 Settings.Global.ENABLE_ACCESSIBILITY_GLOBAL_GESTURE_ENABLED, 0) == 1;
6514     }
6515
6516     @Override
6517     public boolean performHapticFeedbackLw(WindowState win, int effectId, boolean always) {
6518         if (!mVibrator.hasVibrator()) {
6519             return false;
6520         }
6521         final boolean hapticsDisabled = Settings.System.getIntForUser(mContext.getContentResolver(),
6522                 Settings.System.HAPTIC_FEEDBACK_ENABLED, 0, UserHandle.USER_CURRENT) == 0;
6523         if (hapticsDisabled && !always) {
6524             return false;
6525         }
6526         long[] pattern = null;
6527         switch (effectId) {
6528             case HapticFeedbackConstants.LONG_PRESS:
6529                 pattern = mLongPressVibePattern;
6530                 break;
6531             case HapticFeedbackConstants.VIRTUAL_KEY:
6532                 pattern = mVirtualKeyVibePattern;
6533                 break;
6534             case HapticFeedbackConstants.KEYBOARD_TAP:
6535                 pattern = mKeyboardTapVibePattern;
6536                 break;
6537             case HapticFeedbackConstants.CLOCK_TICK:
6538                 pattern = mClockTickVibePattern;
6539                 break;
6540             case HapticFeedbackConstants.CALENDAR_DATE:
6541                 pattern = mCalendarDateVibePattern;
6542                 break;
6543             case HapticFeedbackConstants.SAFE_MODE_DISABLED:
6544                 pattern = mSafeModeDisabledVibePattern;
6545                 break;
6546             case HapticFeedbackConstants.SAFE_MODE_ENABLED:
6547                 pattern = mSafeModeEnabledVibePattern;
6548                 break;
6549             case HapticFeedbackConstants.CONTEXT_CLICK:
6550                 pattern = mContextClickVibePattern;
6551                 break;
6552             default:
6553                 return false;
6554         }
6555         int owningUid;
6556         String owningPackage;
6557         if (win != null) {
6558             owningUid = win.getOwningUid();
6559             owningPackage = win.getOwningPackage();
6560         } else {
6561             owningUid = android.os.Process.myUid();
6562             owningPackage = mContext.getOpPackageName();
6563         }
6564         if (pattern.length == 1) {
6565             // One-shot vibration
6566             mVibrator.vibrate(owningUid, owningPackage, pattern[0], VIBRATION_ATTRIBUTES);
6567         } else {
6568             // Pattern vibration
6569             mVibrator.vibrate(owningUid, owningPackage, pattern, -1, VIBRATION_ATTRIBUTES);
6570         }
6571         return true;
6572     }
6573
6574     @Override
6575     public void keepScreenOnStartedLw() {
6576     }
6577
6578     @Override
6579     public void keepScreenOnStoppedLw() {
6580         if (isKeyguardShowingAndNotOccluded()) {
6581             mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
6582         }
6583     }
6584
6585     private int updateSystemUiVisibilityLw() {
6586         // If there is no window focused, there will be nobody to handle the events
6587         // anyway, so just hang on in whatever state we're in until things settle down.
6588         final WindowState win = mFocusedWindow != null ? mFocusedWindow
6589                 : mTopFullscreenOpaqueWindowState;
6590         if (win == null) {
6591             return 0;
6592         }
6593         if ((win.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0 && mHideLockScreen == true) {
6594             // We are updating at a point where the keyguard has gotten
6595             // focus, but we were last in a state where the top window is
6596             // hiding it.  This is probably because the keyguard as been
6597             // shown while the top window was displayed, so we want to ignore
6598             // it here because this is just a very transient change and it
6599             // will quickly lose focus once it correctly gets hidden.
6600             return 0;
6601         }
6602
6603         int tmpVisibility = PolicyControl.getSystemUiVisibility(win, null)
6604                 & ~mResettingSystemUiFlags
6605                 & ~mForceClearedSystemUiFlags;
6606         if (mForcingShowNavBar && win.getSurfaceLayer() < mForcingShowNavBarLayer) {
6607             tmpVisibility &= ~PolicyControl.adjustClearableFlags(win, View.SYSTEM_UI_CLEARABLE_FLAGS);
6608         }
6609         tmpVisibility = updateLightStatusBarLw(tmpVisibility);
6610         final int visibility = updateSystemBarsLw(win, mLastSystemUiFlags, tmpVisibility);
6611         final int diff = visibility ^ mLastSystemUiFlags;
6612         final boolean needsMenu = win.getNeedsMenuLw(mTopFullscreenOpaqueWindowState);
6613         if (diff == 0 && mLastFocusNeedsMenu == needsMenu
6614                 && mFocusedApp == win.getAppToken()) {
6615             return 0;
6616         }
6617         mLastSystemUiFlags = visibility;
6618         mLastFocusNeedsMenu = needsMenu;
6619         mFocusedApp = win.getAppToken();
6620         mHandler.post(new Runnable() {
6621                 @Override
6622                 public void run() {
6623                     try {
6624                         IStatusBarService statusbar = getStatusBarService();
6625                         if (statusbar != null) {
6626                             statusbar.setSystemUiVisibility(visibility, 0xffffffff, win.toString());
6627                             statusbar.topAppWindowChanged(needsMenu);
6628                         }
6629                     } catch (RemoteException e) {
6630                         // re-acquire status bar service next time it is needed.
6631                         mStatusBarService = null;
6632                     }
6633                 }
6634             });
6635         return diff;
6636     }
6637
6638     private int updateLightStatusBarLw(int vis) {
6639         WindowState statusColorWin = isStatusBarKeyguard() && !mHideLockScreen
6640                 ? mStatusBar
6641                 : mTopFullscreenOpaqueOrDimmingWindowState;
6642
6643         if (statusColorWin != null) {
6644             if (statusColorWin == mTopFullscreenOpaqueWindowState) {
6645                 // If the top fullscreen-or-dimming window is also the top fullscreen, respect
6646                 // its light flag.
6647                 vis &= ~View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
6648                 vis |= PolicyControl.getSystemUiVisibility(statusColorWin, null)
6649                         & View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
6650             } else if (statusColorWin != null && statusColorWin.isDimming()) {
6651                 // Otherwise if it's dimming, clear the light flag.
6652                 vis &= ~View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
6653             }
6654         }
6655         return vis;
6656     }
6657
6658     private int updateSystemBarsLw(WindowState win, int oldVis, int vis) {
6659         // apply translucent bar vis flags
6660         WindowState transWin = isStatusBarKeyguard() && !mHideLockScreen
6661                 ? mStatusBar
6662                 : mTopFullscreenOpaqueWindowState;
6663         vis = mStatusBarController.applyTranslucentFlagLw(transWin, vis, oldVis);
6664         vis = mNavigationBarController.applyTranslucentFlagLw(transWin, vis, oldVis);
6665
6666         // prevent status bar interaction from clearing certain flags
6667         int type = win.getAttrs().type;
6668         boolean statusBarHasFocus = type == TYPE_STATUS_BAR;
6669         if (statusBarHasFocus && !isStatusBarKeyguard()) {
6670             int flags = View.SYSTEM_UI_FLAG_FULLSCREEN
6671                     | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
6672                     | View.SYSTEM_UI_FLAG_IMMERSIVE
6673                     | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY
6674                     | View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
6675             if (mHideLockScreen) {
6676                 flags |= View.STATUS_BAR_TRANSLUCENT | View.NAVIGATION_BAR_TRANSLUCENT;
6677             }
6678             vis = (vis & ~flags) | (oldVis & flags);
6679         }
6680
6681         if (!areTranslucentBarsAllowed() && transWin != mStatusBar) {
6682             vis &= ~(View.NAVIGATION_BAR_TRANSLUCENT | View.STATUS_BAR_TRANSLUCENT
6683                     | View.SYSTEM_UI_TRANSPARENT);
6684         }
6685
6686         // update status bar
6687         boolean immersiveSticky =
6688                 (vis & View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY) != 0;
6689         boolean hideStatusBarWM =
6690                 mTopFullscreenOpaqueWindowState != null &&
6691                 (PolicyControl.getWindowFlags(mTopFullscreenOpaqueWindowState, null)
6692                         & WindowManager.LayoutParams.FLAG_FULLSCREEN) != 0;
6693         boolean hideStatusBarSysui =
6694                 (vis & View.SYSTEM_UI_FLAG_FULLSCREEN) != 0;
6695         boolean hideNavBarSysui =
6696                 (vis & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) != 0;
6697
6698         boolean transientStatusBarAllowed =
6699                 mStatusBar != null && (
6700                 hideStatusBarWM
6701                 || (hideStatusBarSysui && immersiveSticky)
6702                 || statusBarHasFocus);
6703
6704         boolean transientNavBarAllowed =
6705                 mNavigationBar != null &&
6706                 hideNavBarSysui && immersiveSticky;
6707
6708         final long now = SystemClock.uptimeMillis();
6709         final boolean pendingPanic = mPendingPanicGestureUptime != 0
6710                 && now - mPendingPanicGestureUptime <= PANIC_GESTURE_EXPIRATION;
6711         if (pendingPanic && hideNavBarSysui && !isStatusBarKeyguard() && mKeyguardDrawComplete) {
6712             // The user performed the panic gesture recently, we're about to hide the bars,
6713             // we're no longer on the Keyguard and the screen is ready. We can now request the bars.
6714             mPendingPanicGestureUptime = 0;
6715             mStatusBarController.showTransient();
6716             mNavigationBarController.showTransient();
6717         }
6718
6719         boolean denyTransientStatus = mStatusBarController.isTransientShowRequested()
6720                 && !transientStatusBarAllowed && hideStatusBarSysui;
6721         boolean denyTransientNav = mNavigationBarController.isTransientShowRequested()
6722                 && !transientNavBarAllowed;
6723         if (denyTransientStatus || denyTransientNav) {
6724             // clear the clearable flags instead
6725             clearClearableFlagsLw();
6726             vis &= ~View.SYSTEM_UI_CLEARABLE_FLAGS;
6727         }
6728
6729         final boolean immersive = (vis & View.SYSTEM_UI_FLAG_IMMERSIVE) != 0;
6730         immersiveSticky = (vis & View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY) != 0;
6731         final boolean navAllowedHidden = immersive || immersiveSticky;
6732
6733         if (hideNavBarSysui && !navAllowedHidden && windowTypeToLayerLw(win.getBaseType())
6734                 > windowTypeToLayerLw(TYPE_INPUT_CONSUMER)) {
6735             // We can't hide the navbar from this window otherwise the input consumer would not get
6736             // the input events.
6737             vis = (vis & ~View.SYSTEM_UI_FLAG_HIDE_NAVIGATION);
6738         }
6739
6740         vis = mStatusBarController.updateVisibilityLw(transientStatusBarAllowed, oldVis, vis);
6741
6742         // update navigation bar
6743         boolean oldImmersiveMode = isImmersiveMode(oldVis);
6744         boolean newImmersiveMode = isImmersiveMode(vis);
6745         if (win != null && oldImmersiveMode != newImmersiveMode) {
6746             final String pkg = win.getOwningPackage();
6747             mImmersiveModeConfirmation.immersiveModeChanged(pkg, newImmersiveMode,
6748                     isUserSetupComplete());
6749         }
6750
6751         vis = mNavigationBarController.updateVisibilityLw(transientNavBarAllowed, oldVis, vis);
6752
6753         return vis;
6754     }
6755
6756     private void clearClearableFlagsLw() {
6757         int newVal = mResettingSystemUiFlags | View.SYSTEM_UI_CLEARABLE_FLAGS;
6758         if (newVal != mResettingSystemUiFlags) {
6759             mResettingSystemUiFlags = newVal;
6760             mWindowManagerFuncs.reevaluateStatusBarVisibility();
6761         }
6762     }
6763
6764     private boolean isImmersiveMode(int vis) {
6765         final int flags = View.SYSTEM_UI_FLAG_IMMERSIVE | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY;
6766         return mNavigationBar != null
6767                 && (vis & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) != 0
6768                 && (vis & flags) != 0
6769                 && canHideNavigationBar();
6770     }
6771
6772     /**
6773      * @return whether the navigation or status bar can be made translucent
6774      *
6775      * This should return true unless touch exploration is not enabled or
6776      * R.boolean.config_enableTranslucentDecor is false.
6777      */
6778     private boolean areTranslucentBarsAllowed() {
6779         return mTranslucentDecorEnabled
6780                 && !mAccessibilityManager.isTouchExplorationEnabled();
6781     }
6782
6783     // Use this instead of checking config_showNavigationBar so that it can be consistently
6784     // overridden by qemu.hw.mainkeys in the emulator.
6785     @Override
6786     public boolean hasNavigationBar() {
6787         return mHasNavigationBar;
6788     }
6789
6790     @Override
6791     public void setLastInputMethodWindowLw(WindowState ime, WindowState target) {
6792         mLastInputMethodWindow = ime;
6793         mLastInputMethodTargetWindow = target;
6794     }
6795
6796     @Override
6797     public int getInputMethodWindowVisibleHeightLw() {
6798         return mDockBottom - mCurBottom;
6799     }
6800
6801     @Override
6802     public void setCurrentUserLw(int newUserId) {
6803         mCurrentUserId = newUserId;
6804         if (mKeyguardDelegate != null) {
6805             mKeyguardDelegate.setCurrentUser(newUserId);
6806         }
6807         if (mStatusBarService != null) {
6808             try {
6809                 mStatusBarService.setCurrentUser(newUserId);
6810             } catch (RemoteException e) {
6811                 // oh well
6812             }
6813         }
6814         setLastInputMethodWindowLw(null, null);
6815     }
6816
6817     @Override
6818     public boolean canMagnifyWindow(int windowType) {
6819         switch (windowType) {
6820             case WindowManager.LayoutParams.TYPE_INPUT_METHOD:
6821             case WindowManager.LayoutParams.TYPE_INPUT_METHOD_DIALOG:
6822             case WindowManager.LayoutParams.TYPE_NAVIGATION_BAR:
6823             case WindowManager.LayoutParams.TYPE_MAGNIFICATION_OVERLAY: {
6824                 return false;
6825             }
6826         }
6827         return true;
6828     }
6829
6830     @Override
6831     public boolean isTopLevelWindow(int windowType) {
6832         if (windowType >= WindowManager.LayoutParams.FIRST_SUB_WINDOW
6833                 && windowType <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
6834             return (windowType == WindowManager.LayoutParams.TYPE_APPLICATION_ATTACHED_DIALOG);
6835         }
6836         return true;
6837     }
6838
6839     @Override
6840     public void dump(String prefix, PrintWriter pw, String[] args) {
6841         pw.print(prefix); pw.print("mSafeMode="); pw.print(mSafeMode);
6842                 pw.print(" mSystemReady="); pw.print(mSystemReady);
6843                 pw.print(" mSystemBooted="); pw.println(mSystemBooted);
6844         pw.print(prefix); pw.print("mLidState="); pw.print(mLidState);
6845                 pw.print(" mLidOpenRotation="); pw.print(mLidOpenRotation);
6846                 pw.print(" mCameraLensCoverState="); pw.print(mCameraLensCoverState);
6847                 pw.print(" mHdmiPlugged="); pw.println(mHdmiPlugged);
6848         if (mLastSystemUiFlags != 0 || mResettingSystemUiFlags != 0
6849                 || mForceClearedSystemUiFlags != 0) {
6850             pw.print(prefix); pw.print("mLastSystemUiFlags=0x");
6851                     pw.print(Integer.toHexString(mLastSystemUiFlags));
6852                     pw.print(" mResettingSystemUiFlags=0x");
6853                     pw.print(Integer.toHexString(mResettingSystemUiFlags));
6854                     pw.print(" mForceClearedSystemUiFlags=0x");
6855                     pw.println(Integer.toHexString(mForceClearedSystemUiFlags));
6856         }
6857         if (mLastFocusNeedsMenu) {
6858             pw.print(prefix); pw.print("mLastFocusNeedsMenu=");
6859                     pw.println(mLastFocusNeedsMenu);
6860         }
6861         pw.print(prefix); pw.print("mWakeGestureEnabledSetting=");
6862                 pw.println(mWakeGestureEnabledSetting);
6863
6864         pw.print(prefix); pw.print("mSupportAutoRotation="); pw.println(mSupportAutoRotation);
6865         pw.print(prefix); pw.print("mUiMode="); pw.print(mUiMode);
6866                 pw.print(" mDockMode="); pw.print(mDockMode);
6867                 pw.print(" mCarDockRotation="); pw.print(mCarDockRotation);
6868                 pw.print(" mDeskDockRotation="); pw.println(mDeskDockRotation);
6869         pw.print(prefix); pw.print("mUserRotationMode="); pw.print(mUserRotationMode);
6870                 pw.print(" mUserRotation="); pw.print(mUserRotation);
6871                 pw.print(" mAllowAllRotations="); pw.println(mAllowAllRotations);
6872         pw.print(prefix); pw.print("mCurrentAppOrientation="); pw.println(mCurrentAppOrientation);
6873         pw.print(prefix); pw.print("mCarDockEnablesAccelerometer=");
6874                 pw.print(mCarDockEnablesAccelerometer);
6875                 pw.print(" mDeskDockEnablesAccelerometer=");
6876                 pw.println(mDeskDockEnablesAccelerometer);
6877         pw.print(prefix); pw.print("mLidKeyboardAccessibility=");
6878                 pw.print(mLidKeyboardAccessibility);
6879                 pw.print(" mLidNavigationAccessibility="); pw.print(mLidNavigationAccessibility);
6880                 pw.print(" mLidControlsSleep="); pw.println(mLidControlsSleep);
6881         pw.print(prefix);
6882                 pw.print("mShortPressOnPowerBehavior="); pw.print(mShortPressOnPowerBehavior);
6883                 pw.print(" mLongPressOnPowerBehavior="); pw.println(mLongPressOnPowerBehavior);
6884         pw.print(prefix);
6885                 pw.print("mDoublePressOnPowerBehavior="); pw.print(mDoublePressOnPowerBehavior);
6886                 pw.print(" mTriplePressOnPowerBehavior="); pw.println(mTriplePressOnPowerBehavior);
6887         pw.print(prefix); pw.print("mHasSoftInput="); pw.println(mHasSoftInput);
6888         pw.print(prefix); pw.print("mAwake="); pw.println(mAwake);
6889         pw.print(prefix); pw.print("mScreenOnEarly="); pw.print(mScreenOnEarly);
6890                 pw.print(" mScreenOnFully="); pw.println(mScreenOnFully);
6891         pw.print(prefix); pw.print("mKeyguardDrawComplete="); pw.print(mKeyguardDrawComplete);
6892                 pw.print(" mWindowManagerDrawComplete="); pw.println(mWindowManagerDrawComplete);
6893         pw.print(prefix); pw.print("mOrientationSensorEnabled=");
6894                 pw.println(mOrientationSensorEnabled);
6895         pw.print(prefix); pw.print("mOverscanScreen=("); pw.print(mOverscanScreenLeft);
6896                 pw.print(","); pw.print(mOverscanScreenTop);
6897                 pw.print(") "); pw.print(mOverscanScreenWidth);
6898                 pw.print("x"); pw.println(mOverscanScreenHeight);
6899         if (mOverscanLeft != 0 || mOverscanTop != 0
6900                 || mOverscanRight != 0 || mOverscanBottom != 0) {
6901             pw.print(prefix); pw.print("mOverscan left="); pw.print(mOverscanLeft);
6902                     pw.print(" top="); pw.print(mOverscanTop);
6903                     pw.print(" right="); pw.print(mOverscanRight);
6904                     pw.print(" bottom="); pw.println(mOverscanBottom);
6905         }
6906         pw.print(prefix); pw.print("mRestrictedOverscanScreen=(");
6907                 pw.print(mRestrictedOverscanScreenLeft);
6908                 pw.print(","); pw.print(mRestrictedOverscanScreenTop);
6909                 pw.print(") "); pw.print(mRestrictedOverscanScreenWidth);
6910                 pw.print("x"); pw.println(mRestrictedOverscanScreenHeight);
6911         pw.print(prefix); pw.print("mUnrestrictedScreen=("); pw.print(mUnrestrictedScreenLeft);
6912                 pw.print(","); pw.print(mUnrestrictedScreenTop);
6913                 pw.print(") "); pw.print(mUnrestrictedScreenWidth);
6914                 pw.print("x"); pw.println(mUnrestrictedScreenHeight);
6915         pw.print(prefix); pw.print("mRestrictedScreen=("); pw.print(mRestrictedScreenLeft);
6916                 pw.print(","); pw.print(mRestrictedScreenTop);
6917                 pw.print(") "); pw.print(mRestrictedScreenWidth);
6918                 pw.print("x"); pw.println(mRestrictedScreenHeight);
6919         pw.print(prefix); pw.print("mStableFullscreen=("); pw.print(mStableFullscreenLeft);
6920                 pw.print(","); pw.print(mStableFullscreenTop);
6921                 pw.print(")-("); pw.print(mStableFullscreenRight);
6922                 pw.print(","); pw.print(mStableFullscreenBottom); pw.println(")");
6923         pw.print(prefix); pw.print("mStable=("); pw.print(mStableLeft);
6924                 pw.print(","); pw.print(mStableTop);
6925                 pw.print(")-("); pw.print(mStableRight);
6926                 pw.print(","); pw.print(mStableBottom); pw.println(")");
6927         pw.print(prefix); pw.print("mSystem=("); pw.print(mSystemLeft);
6928                 pw.print(","); pw.print(mSystemTop);
6929                 pw.print(")-("); pw.print(mSystemRight);
6930                 pw.print(","); pw.print(mSystemBottom); pw.println(")");
6931         pw.print(prefix); pw.print("mCur=("); pw.print(mCurLeft);
6932                 pw.print(","); pw.print(mCurTop);
6933                 pw.print(")-("); pw.print(mCurRight);
6934                 pw.print(","); pw.print(mCurBottom); pw.println(")");
6935         pw.print(prefix); pw.print("mContent=("); pw.print(mContentLeft);
6936                 pw.print(","); pw.print(mContentTop);
6937                 pw.print(")-("); pw.print(mContentRight);
6938                 pw.print(","); pw.print(mContentBottom); pw.println(")");
6939         pw.print(prefix); pw.print("mVoiceContent=("); pw.print(mVoiceContentLeft);
6940                 pw.print(","); pw.print(mVoiceContentTop);
6941                 pw.print(")-("); pw.print(mVoiceContentRight);
6942                 pw.print(","); pw.print(mVoiceContentBottom); pw.println(")");
6943         pw.print(prefix); pw.print("mDock=("); pw.print(mDockLeft);
6944                 pw.print(","); pw.print(mDockTop);
6945                 pw.print(")-("); pw.print(mDockRight);
6946                 pw.print(","); pw.print(mDockBottom); pw.println(")");
6947         pw.print(prefix); pw.print("mDockLayer="); pw.print(mDockLayer);
6948                 pw.print(" mStatusBarLayer="); pw.println(mStatusBarLayer);
6949         pw.print(prefix); pw.print("mShowingLockscreen="); pw.print(mShowingLockscreen);
6950                 pw.print(" mShowingDream="); pw.print(mShowingDream);
6951                 pw.print(" mDreamingLockscreen="); pw.print(mDreamingLockscreen);
6952                 pw.print(" mDreamingSleepToken="); pw.println(mDreamingSleepToken);
6953         if (mLastInputMethodWindow != null) {
6954             pw.print(prefix); pw.print("mLastInputMethodWindow=");
6955                     pw.println(mLastInputMethodWindow);
6956         }
6957         if (mLastInputMethodTargetWindow != null) {
6958             pw.print(prefix); pw.print("mLastInputMethodTargetWindow=");
6959                     pw.println(mLastInputMethodTargetWindow);
6960         }
6961         if (mStatusBar != null) {
6962             pw.print(prefix); pw.print("mStatusBar=");
6963                     pw.print(mStatusBar); pw.print(" isStatusBarKeyguard=");
6964                     pw.println(isStatusBarKeyguard());
6965         }
6966         if (mNavigationBar != null) {
6967             pw.print(prefix); pw.print("mNavigationBar=");
6968                     pw.println(mNavigationBar);
6969         }
6970         if (mFocusedWindow != null) {
6971             pw.print(prefix); pw.print("mFocusedWindow=");
6972                     pw.println(mFocusedWindow);
6973         }
6974         if (mFocusedApp != null) {
6975             pw.print(prefix); pw.print("mFocusedApp=");
6976                     pw.println(mFocusedApp);
6977         }
6978         if (mWinDismissingKeyguard != null) {
6979             pw.print(prefix); pw.print("mWinDismissingKeyguard=");
6980                     pw.println(mWinDismissingKeyguard);
6981         }
6982         if (mTopFullscreenOpaqueWindowState != null) {
6983             pw.print(prefix); pw.print("mTopFullscreenOpaqueWindowState=");
6984                     pw.println(mTopFullscreenOpaqueWindowState);
6985         }
6986         if (mTopFullscreenOpaqueOrDimmingWindowState != null) {
6987             pw.print(prefix); pw.print("mTopFullscreenOpaqueOrDimmingWindowState=");
6988                     pw.println(mTopFullscreenOpaqueOrDimmingWindowState);
6989         }
6990         if (mForcingShowNavBar) {
6991             pw.print(prefix); pw.print("mForcingShowNavBar=");
6992                     pw.println(mForcingShowNavBar); pw.print( "mForcingShowNavBarLayer=");
6993                     pw.println(mForcingShowNavBarLayer);
6994         }
6995         pw.print(prefix); pw.print("mTopIsFullscreen="); pw.print(mTopIsFullscreen);
6996                 pw.print(" mHideLockScreen="); pw.println(mHideLockScreen);
6997         pw.print(prefix); pw.print("mForceStatusBar="); pw.print(mForceStatusBar);
6998                 pw.print(" mForceStatusBarFromKeyguard=");
6999                 pw.println(mForceStatusBarFromKeyguard);
7000         pw.print(prefix); pw.print("mDismissKeyguard="); pw.print(mDismissKeyguard);
7001                 pw.print(" mWinDismissingKeyguard="); pw.print(mWinDismissingKeyguard);
7002                 pw.print(" mHomePressed="); pw.println(mHomePressed);
7003         pw.print(prefix); pw.print("mAllowLockscreenWhenOn="); pw.print(mAllowLockscreenWhenOn);
7004                 pw.print(" mLockScreenTimeout="); pw.print(mLockScreenTimeout);
7005                 pw.print(" mLockScreenTimerActive="); pw.println(mLockScreenTimerActive);
7006         pw.print(prefix); pw.print("mEndcallBehavior="); pw.print(mEndcallBehavior);
7007                 pw.print(" mIncallPowerBehavior="); pw.print(mIncallPowerBehavior);
7008                 pw.print(" mLongPressOnHomeBehavior="); pw.println(mLongPressOnHomeBehavior);
7009         pw.print(prefix); pw.print("mLandscapeRotation="); pw.print(mLandscapeRotation);
7010                 pw.print(" mSeascapeRotation="); pw.println(mSeascapeRotation);
7011         pw.print(prefix); pw.print("mPortraitRotation="); pw.print(mPortraitRotation);
7012                 pw.print(" mUpsideDownRotation="); pw.println(mUpsideDownRotation);
7013         pw.print(prefix); pw.print("mDemoHdmiRotation="); pw.print(mDemoHdmiRotation);
7014                 pw.print(" mDemoHdmiRotationLock="); pw.println(mDemoHdmiRotationLock);
7015         pw.print(prefix); pw.print("mUndockedHdmiRotation="); pw.println(mUndockedHdmiRotation);
7016
7017         mGlobalKeyManager.dump(prefix, pw);
7018         mStatusBarController.dump(pw, prefix);
7019         mNavigationBarController.dump(pw, prefix);
7020         PolicyControl.dump(prefix, pw);
7021
7022         if (mWakeGestureListener != null) {
7023             mWakeGestureListener.dump(pw, prefix);
7024         }
7025         if (mOrientationListener != null) {
7026             mOrientationListener.dump(pw, prefix);
7027         }
7028         if (mBurnInProtectionHelper != null) {
7029             mBurnInProtectionHelper.dump(prefix, pw);
7030         }
7031         if (mKeyguardDelegate != null) {
7032             mKeyguardDelegate.dump(prefix, pw);
7033         }
7034     }
7035 }