package com.android.server.am;
+import static android.Manifest.permission.ACTIVITY_EMBEDDING;
+import static android.Manifest.permission.INTERNAL_SYSTEM_WINDOW;
import static android.Manifest.permission.START_ANY_ACTIVITY;
+import static android.Manifest.permission.START_TASKS_FROM_RECENTS;
import static android.app.ActivityManager.LOCK_TASK_MODE_LOCKED;
import static android.app.ActivityManager.LOCK_TASK_MODE_NONE;
import static android.app.ActivityManager.LOCK_TASK_MODE_PINNED;
-import static android.content.Intent.FLAG_ACTIVITY_CLEAR_TASK;
-import static android.content.Intent.FLAG_ACTIVITY_CLEAR_TOP;
-import static android.content.Intent.FLAG_ACTIVITY_NEW_TASK;
-import static android.content.Intent.FLAG_ACTIVITY_TASK_ON_HOME;
-import static android.content.pm.ActivityInfo.FLAG_SHOW_FOR_ALL_USERS;
+import static android.app.ActivityManager.START_TASK_TO_FRONT;
+import static android.app.ActivityManager.StackId.DOCKED_STACK_ID;
+import static android.app.ActivityManager.StackId.FIRST_DYNAMIC_STACK_ID;
+import static android.app.ActivityManager.StackId.FIRST_STATIC_STACK_ID;
+import static android.app.ActivityManager.StackId.FREEFORM_WORKSPACE_STACK_ID;
+import static android.app.ActivityManager.StackId.FULLSCREEN_WORKSPACE_STACK_ID;
+import static android.app.ActivityManager.StackId.HOME_STACK_ID;
+import static android.app.ActivityManager.StackId.INVALID_STACK_ID;
+import static android.app.ActivityManager.StackId.LAST_STATIC_STACK_ID;
+import static android.app.ActivityManager.StackId.PINNED_STACK_ID;
+import static android.app.ActivityManager.StackId.RECENTS_STACK_ID;
+import static android.app.ITaskStackListener.FORCED_RESIZEABLE_REASON_SECONDARY_DISPLAY;
+import static android.app.ITaskStackListener.FORCED_RESIZEABLE_REASON_SPLIT_SCREEN;
+import static android.content.pm.PackageManager.PERMISSION_DENIED;
import static android.content.pm.PackageManager.PERMISSION_GRANTED;
-import static com.android.server.am.ActivityManagerDebugConfig.*;
+import static android.os.Process.SYSTEM_UID;
+import static android.os.PowerManager.PARTIAL_WAKE_LOCK;
+import static android.os.Trace.TRACE_TAG_ACTIVITY_MANAGER;
+import static android.view.Display.DEFAULT_DISPLAY;
+import static android.view.Display.FLAG_PRIVATE;
+import static android.view.Display.INVALID_DISPLAY;
+import static android.view.Display.REMOVE_MODE_DESTROY_CONTENT;
+import static android.view.Display.TYPE_VIRTUAL;
+
+import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.ACTION_PICTURE_IN_PICTURE_EXPANDED_TO_FULLSCREEN;
+import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_ALL;
+import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_FOCUS;
+import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_IDLE;
+import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_LOCKTASK;
+import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_PAUSE;
+import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_RECENTS;
+import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_RELEASE;
+import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_STACK;
+import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_STATES;
+import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_SWITCH;
+import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_TASKS;
+import static com.android.server.am.ActivityManagerDebugConfig.POSTFIX_FOCUS;
+import static com.android.server.am.ActivityManagerDebugConfig.POSTFIX_IDLE;
+import static com.android.server.am.ActivityManagerDebugConfig.POSTFIX_LOCKTASK;
+import static com.android.server.am.ActivityManagerDebugConfig.POSTFIX_PAUSE;
+import static com.android.server.am.ActivityManagerDebugConfig.POSTFIX_RECENTS;
+import static com.android.server.am.ActivityManagerDebugConfig.POSTFIX_RELEASE;
+import static com.android.server.am.ActivityManagerDebugConfig.POSTFIX_STACK;
+import static com.android.server.am.ActivityManagerDebugConfig.POSTFIX_STATES;
+import static com.android.server.am.ActivityManagerDebugConfig.POSTFIX_SWITCH;
+import static com.android.server.am.ActivityManagerDebugConfig.POSTFIX_TASKS;
+import static com.android.server.am.ActivityManagerDebugConfig.TAG_AM;
+import static com.android.server.am.ActivityManagerDebugConfig.TAG_WITH_CLASS_NAME;
+import static com.android.server.am.ActivityManagerService.ANIMATE;
import static com.android.server.am.ActivityManagerService.FIRST_SUPERVISOR_STACK_MSG;
-import static com.android.server.am.ActivityRecord.HOME_ACTIVITY_TYPE;
-import static com.android.server.am.ActivityRecord.RECENTS_ACTIVITY_TYPE;
import static com.android.server.am.ActivityRecord.APPLICATION_ACTIVITY_TYPE;
-import static com.android.server.am.ActivityStack.ActivityState.*;
+import static com.android.server.am.ActivityRecord.HOME_ACTIVITY_TYPE;
+import static com.android.server.am.ActivityStack.ActivityState.DESTROYED;
+import static com.android.server.am.ActivityStack.ActivityState.DESTROYING;
+import static com.android.server.am.ActivityStack.ActivityState.INITIALIZING;
+import static com.android.server.am.ActivityStack.ActivityState.PAUSED;
+import static com.android.server.am.ActivityStack.ActivityState.PAUSING;
+import static com.android.server.am.ActivityStack.ActivityState.RESUMED;
+import static com.android.server.am.ActivityStack.ActivityState.STOPPED;
+import static com.android.server.am.ActivityStack.ActivityState.STOPPING;
+import static com.android.server.am.ActivityStack.REMOVE_TASK_MODE_MOVING;
+import static com.android.server.am.ActivityStack.STACK_INVISIBLE;
+import static com.android.server.am.ActivityStack.STACK_VISIBLE;
import static com.android.server.am.TaskRecord.LOCK_TASK_AUTH_DONT_LOCK;
import static com.android.server.am.TaskRecord.LOCK_TASK_AUTH_LAUNCHABLE;
import static com.android.server.am.TaskRecord.LOCK_TASK_AUTH_LAUNCHABLE_PRIV;
import static com.android.server.am.TaskRecord.LOCK_TASK_AUTH_PINNABLE;
import static com.android.server.am.TaskRecord.LOCK_TASK_AUTH_WHITELISTED;
+import static com.android.server.am.TaskRecord.REPARENT_KEEP_STACK_AT_FRONT;
+import static com.android.server.am.TaskRecord.REPARENT_LEAVE_STACK_IN_PLACE;
+import static com.android.server.am.TaskRecord.REPARENT_MOVE_STACK_TO_FRONT;
+import static com.android.server.wm.AppTransition.TRANSIT_DOCK_TASK_FROM_RECENTS;
+import static java.lang.Integer.MAX_VALUE;
import android.Manifest;
+import android.annotation.IntDef;
+import android.annotation.NonNull;
+import android.annotation.UserIdInt;
import android.app.Activity;
import android.app.ActivityManager;
+import android.app.ActivityManager.RunningTaskInfo;
+import android.app.ActivityManager.StackId;
import android.app.ActivityManager.StackInfo;
+import android.app.ActivityManagerInternal.SleepToken;
import android.app.ActivityOptions;
-import android.app.AppGlobals;
import android.app.AppOpsManager;
-import android.app.IActivityContainer;
-import android.app.IActivityContainerCallback;
-import android.app.IActivityManager;
-import android.app.IApplicationThread;
-import android.app.PendingIntent;
import android.app.ProfilerInfo;
-import android.app.ActivityManager.RunningTaskInfo;
-import android.app.IActivityManager.WaitResult;
import android.app.ResultInfo;
import android.app.StatusBarManager;
+import android.app.WaitResult;
import android.app.admin.IDevicePolicyManager;
import android.content.ComponentName;
import android.content.Context;
-import android.content.IIntentSender;
import android.content.Intent;
-import android.content.IntentSender;
import android.content.pm.ActivityInfo;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
+import android.content.pm.UserInfo;
import android.content.res.Configuration;
-import android.graphics.Point;
import android.graphics.Rect;
import android.hardware.display.DisplayManager;
import android.hardware.display.DisplayManager.DisplayListener;
-import android.hardware.display.DisplayManagerGlobal;
-import android.hardware.display.VirtualDisplay;
-import android.hardware.input.InputManager;
+import android.hardware.display.DisplayManagerInternal;
import android.hardware.input.InputManagerInternal;
-import android.net.Uri;
import android.os.Binder;
import android.os.Bundle;
import android.os.Debug;
import android.os.IBinder;
import android.os.Looper;
import android.os.Message;
-import android.os.ParcelFileDescriptor;
import android.os.PowerManager;
import android.os.Process;
import android.os.RemoteException;
import android.os.ServiceManager;
import android.os.SystemClock;
-import android.os.TransactionTooLargeException;
+import android.os.Trace;
import android.os.UserHandle;
+import android.os.UserManager;
import android.os.WorkSource;
import android.provider.MediaStore;
import android.provider.Settings;
import android.util.ArrayMap;
import android.util.ArraySet;
import android.util.EventLog;
+import android.util.IntArray;
+import android.util.MergedConfiguration;
import android.util.Slog;
import android.util.SparseArray;
-
import android.util.SparseIntArray;
+import android.util.TimeUtils;
import android.view.Display;
-import android.view.DisplayInfo;
-import android.view.InputEvent;
-import android.view.Surface;
-import com.android.internal.app.HeavyWeightSwitcherActivity;
-import com.android.internal.app.IVoiceInteractor;
+
+import com.android.internal.annotations.VisibleForTesting;
import com.android.internal.content.ReferrerIntent;
+import com.android.internal.logging.MetricsLogger;
import com.android.internal.os.TransferPipe;
import com.android.internal.statusbar.IStatusBarService;
import com.android.internal.util.ArrayUtils;
import com.android.internal.widget.LockPatternUtils;
import com.android.server.LocalServices;
import com.android.server.am.ActivityStack.ActivityState;
+import com.android.server.wm.PinnedStackWindowController;
import com.android.server.wm.WindowManagerService;
-
import java.io.FileDescriptor;
import java.io.IOException;
import java.io.PrintWriter;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
import java.util.ArrayList;
import java.util.Arrays;
+import java.util.Iterator;
import java.util.List;
import java.util.Set;
-public final class ActivityStackSupervisor implements DisplayListener {
+public class ActivityStackSupervisor extends ConfigurationContainer implements DisplayListener {
private static final String TAG = TAG_WITH_CLASS_NAME ? "ActivityStackSupervisor" : TAG_AM;
- private static final String TAG_CONFIGURATION = TAG + POSTFIX_CONFIGURATION;
- private static final String TAG_CONTAINERS = TAG + POSTFIX_CONTAINERS;
private static final String TAG_FOCUS = TAG + POSTFIX_FOCUS;
private static final String TAG_IDLE = TAG + POSTFIX_IDLE;
private static final String TAG_LOCKTASK = TAG + POSTFIX_LOCKTASK;
private static final String TAG_PAUSE = TAG + POSTFIX_PAUSE;
private static final String TAG_RECENTS = TAG + POSTFIX_RECENTS;
private static final String TAG_RELEASE = TAG + POSTFIX_RELEASE;
- private static final String TAG_RESULTS = TAG + POSTFIX_RESULTS;
private static final String TAG_STACK = TAG + POSTFIX_STACK;
private static final String TAG_STATES = TAG + POSTFIX_STATES;
private static final String TAG_SWITCH = TAG + POSTFIX_SWITCH;
- private static final String TAG_TASKS = TAG + POSTFIX_TASKS;
- private static final String TAG_VISIBLE_BEHIND = TAG + POSTFIX_VISIBLE_BEHIND;
- private static final String TAG_USER_LEAVING = TAG + POSTFIX_USER_LEAVING;
-
- public static final int HOME_STACK_ID = 0;
+ static final String TAG_TASKS = TAG + POSTFIX_TASKS;
/** How long we wait until giving up on the last activity telling us it is idle. */
static final int IDLE_TIMEOUT = 10 * 1000;
static final int HANDLE_DISPLAY_ADDED = FIRST_SUPERVISOR_STACK_MSG + 5;
static final int HANDLE_DISPLAY_CHANGED = FIRST_SUPERVISOR_STACK_MSG + 6;
static final int HANDLE_DISPLAY_REMOVED = FIRST_SUPERVISOR_STACK_MSG + 7;
- static final int CONTAINER_CALLBACK_VISIBILITY = FIRST_SUPERVISOR_STACK_MSG + 8;
static final int LOCK_TASK_START_MSG = FIRST_SUPERVISOR_STACK_MSG + 9;
static final int LOCK_TASK_END_MSG = FIRST_SUPERVISOR_STACK_MSG + 10;
- static final int CONTAINER_CALLBACK_TASK_LIST_EMPTY = FIRST_SUPERVISOR_STACK_MSG + 11;
static final int LAUNCH_TASK_BEHIND_COMPLETE = FIRST_SUPERVISOR_STACK_MSG + 12;
static final int SHOW_LOCK_TASK_ESCAPE_MESSAGE_MSG = FIRST_SUPERVISOR_STACK_MSG + 13;
+ static final int REPORT_MULTI_WINDOW_MODE_CHANGED_MSG = FIRST_SUPERVISOR_STACK_MSG + 14;
+ static final int REPORT_PIP_MODE_CHANGED_MSG = FIRST_SUPERVISOR_STACK_MSG + 15;
- private final static String VIRTUAL_DISPLAY_BASE_NAME = "ActivityViewVirtualDisplay";
+ private static final String VIRTUAL_DISPLAY_BASE_NAME = "ActivityViewVirtualDisplay";
private static final String LOCK_TASK_TAG = "Lock-to-App";
+ // Used to indicate if an object (e.g. stack) that we are trying to get
+ // should be created if it doesn't exist already.
+ static final boolean CREATE_IF_NEEDED = true;
+
+ // Used to indicate that windows of activities should be preserved during the resize.
+ static final boolean PRESERVE_WINDOWS = true;
+
+ // Used to indicate if an object (e.g. task) should be moved/created
+ // at the top of its container (e.g. stack).
+ static final boolean ON_TOP = true;
+
+ // Used to indicate that an objects (e.g. task) removal from its container
+ // (e.g. stack) is due to it moving to another container.
+ static final boolean MOVING = true;
+
+ // Force the focus to change to the stack we are moving a task to..
+ static final boolean FORCE_FOCUS = true;
+
+ // Don't execute any calls to resume.
+ static final boolean DEFER_RESUME = true;
+
+ // Used to indicate that a task is removed it should also be removed from recents.
+ static final boolean REMOVE_FROM_RECENTS = true;
+
+ // Used to indicate that pausing an activity should occur immediately without waiting for
+ // the activity callback indicating that it has completed pausing
+ static final boolean PAUSE_IMMEDIATELY = true;
+
+ /**
+ * The modes which affect which tasks are returned when calling
+ * {@link ActivityStackSupervisor#anyTaskForIdLocked(int)}.
+ */
+ @Retention(RetentionPolicy.SOURCE)
+ @IntDef({
+ MATCH_TASK_IN_STACKS_ONLY,
+ MATCH_TASK_IN_STACKS_OR_RECENT_TASKS,
+ MATCH_TASK_IN_STACKS_OR_RECENT_TASKS_AND_RESTORE
+ })
+ public @interface AnyTaskForIdMatchTaskMode {}
+ // Match only tasks in the current stacks
+ static final int MATCH_TASK_IN_STACKS_ONLY = 0;
+ // Match either tasks in the current stacks, or in the recent tasks if not found in the stacks
+ static final int MATCH_TASK_IN_STACKS_OR_RECENT_TASKS = 1;
+ // Match either tasks in the current stacks, or in the recent tasks, restoring it to the
+ // provided stack id
+ static final int MATCH_TASK_IN_STACKS_OR_RECENT_TASKS_AND_RESTORE = 2;
+
// Activity actions an app cannot start if it uses a permission which is not granted.
private static final ArrayMap<String, String> ACTION_TO_RUNTIME_PERMISSION =
new ArrayMap<>();
+
static {
ACTION_TO_RUNTIME_PERMISSION.put(MediaStore.ACTION_IMAGE_CAPTURE,
Manifest.permission.CAMERA);
// For debugging to make sure the caller when acquiring/releasing our
// wake lock is the system process.
static final boolean VALIDATE_WAKE_LOCK_CALLER = false;
+ /** The number of distinct task ids that can be assigned to the tasks of a single user */
+ private static final int MAX_TASK_IDS_PER_USER = UserHandle.PER_USER_RANGE;
final ActivityManagerService mService;
- private final RecentTasks mRecentTasks;
+ private RecentTasks mRecentTasks;
final ActivityStackSupervisorHandler mHandler;
WindowManagerService mWindowManager;
DisplayManager mDisplayManager;
- /** Identifier counter for all ActivityStacks */
- private int mLastStackId = HOME_STACK_ID;
+ /** Counter for next free stack ID to use for dynamic activity stacks. */
+ private int mNextFreeStackId = FIRST_DYNAMIC_STACK_ID;
- /** Task identifier that activities are currently being started in. Incremented each time a
- * new task is created. */
- private int mCurTaskId = 0;
+ /**
+ * Maps the task identifier that activities are currently being started in to the userId of the
+ * task. Each time a new task is created, the entry for the userId of the task is incremented
+ */
+ private final SparseIntArray mCurTaskIdForUser = new SparseIntArray(20);
/** The current user */
- private int mCurrentUser;
+ int mCurrentUser;
/** The stack containing the launcher app. Assumed to always be attached to
* Display.DEFAULT_DISPLAY. */
- private ActivityStack mHomeStack;
+ ActivityStack mHomeStack;
/** The stack currently receiving input or launching the next activity. */
- private ActivityStack mFocusedStack;
+ ActivityStack mFocusedStack;
/** If this is the same as mFocusedStack then the activity on the top of the focused stack has
* been resumed. If stacks are changing position this will hold the old stack until the new
/** List of activities that are waiting for a new activity to become visible before completing
* whatever operation they are supposed to do. */
- final ArrayList<ActivityRecord> mWaitingVisibleActivities = new ArrayList<>();
+ // TODO: Remove mActivitiesWaitingForVisibleActivity list and just remove activity from
+ // mStoppingActivities when something else comes up.
+ final ArrayList<ActivityRecord> mActivitiesWaitingForVisibleActivity = new ArrayList<>();
- /** List of processes waiting to find out about the next visible activity. */
- final ArrayList<IActivityManager.WaitResult> mWaitingActivityVisible = new ArrayList<>();
+ /** List of processes waiting to find out when a specific activity becomes visible. */
+ private final ArrayList<WaitInfo> mWaitingForActivityVisible = new ArrayList<>();
/** List of processes waiting to find out about the next launched activity. */
- final ArrayList<IActivityManager.WaitResult> mWaitingActivityLaunched = new ArrayList<>();
+ final ArrayList<WaitResult> mWaitingActivityLaunched = new ArrayList<>();
/** List of activities that are ready to be stopped, but waiting for the next activity to
* settle down before doing so. */
/** List of activities that are in the process of going to sleep. */
final ArrayList<ActivityRecord> mGoingToSleepActivities = new ArrayList<>();
+ /** List of activities whose multi-window mode changed that we need to report to the
+ * application */
+ final ArrayList<ActivityRecord> mMultiWindowModeChangedActivities = new ArrayList<>();
+
+ /** List of activities whose picture-in-picture mode changed that we need to report to the
+ * application */
+ final ArrayList<ActivityRecord> mPipModeChangedActivities = new ArrayList<>();
+
+ /** The target stack bounds for the picture-in-picture mode changed that we need to report to
+ * the application */
+ Rect mPipModeChangedTargetStackBounds;
+
/** Used on user changes */
final ArrayList<UserState> mStartingUsers = new ArrayList<>();
- /** Used to queue up any background users being started */
- final ArrayList<UserState> mStartingBackgroundUsers = new ArrayList<>();
-
/** Set to indicate whether to issue an onUserLeaving callback when a newly launched activity
* is being brought in front of us. */
boolean mUserLeaving = false;
- /** Set when we have taken too long waiting to go to sleep. */
- boolean mSleepTimeout = false;
-
- /** Indicates if we are running on a Leanback-only (TV) device. Only initialized after
- * setWindowManager is called. **/
- private boolean mLeanbackOnlyDevice;
-
/**
* We don't want to allow the device to go to sleep while in the process
* of launching an activity. This is primarily to allow alarm intent
*/
PowerManager.WakeLock mGoingToSleep;
+ /**
+ * A list of tokens that cause the top activity to be put to sleep.
+ * They are used by components that may hide and block interaction with underlying
+ * activities.
+ */
+ final ArrayList<SleepToken> mSleepTokens = new ArrayList<SleepToken>();
+
/** Stack id of the front stack when user switched, indexed by userId. */
SparseIntArray mUserStackInFront = new SparseIntArray(2);
// TODO: Add listener for removal of references.
/** Mapping from (ActivityStack/TaskStack).mStackId to their current state */
- private SparseArray<ActivityContainer> mActivityContainers = new SparseArray<>();
+ SparseArray<ActivityStack> mStacks = new SparseArray<>();
+ // TODO: There should be an ActivityDisplayController coordinating am/wm interaction.
/** Mapping from displayId to display current state */
private final SparseArray<ActivityDisplay> mActivityDisplays = new SparseArray<>();
- InputManagerInternal mInputManagerInternal;
+ private final SparseArray<IntArray> mDisplayAccessUIDs = new SparseArray<>();
+
+ private DisplayManagerInternal mDisplayManagerInternal;
+ private InputManagerInternal mInputManagerInternal;
/** The chain of tasks in lockTask mode. The current frontmost task is at the top, and tasks
* may be finished until there is only one entry left. If this is empty the system is not
*/
private LockTaskNotify mLockTaskNotify;
- final ArrayList<PendingActivityLaunch> mPendingActivityLaunches = new ArrayList<>();
-
- /** Used to keep resumeTopActivityLocked() from being entered recursively */
+ /** Used to keep resumeTopActivityUncheckedLocked() from being entered recursively */
boolean inResumeTopActivity;
/**
+ * Temporary rect used during docked stack resize calculation so we don't need to create a new
+ * object each time.
+ */
+ private final Rect tempRect = new Rect();
+
+ // The default minimal size that will be used if the activity doesn't specify its minimal size.
+ // It will be calculated when the default display gets added.
+ int mDefaultMinSizeOfResizeableTask = -1;
+
+ // Whether tasks have moved and we need to rank the tasks before next OOM scoring
+ private boolean mTaskLayersChanged = true;
+
+ final ActivityMetricsLogger mActivityMetricsLogger;
+
+ private final ArrayList<ActivityRecord> mTmpActivityList = new ArrayList<>();
+
+ @Override
+ protected int getChildCount() {
+ return mActivityDisplays.size();
+ }
+
+ @Override
+ protected ActivityDisplay getChildAt(int index) {
+ return mActivityDisplays.valueAt(index);
+ }
+
+ @Override
+ protected ConfigurationContainer getParent() {
+ return null;
+ }
+
+ Configuration getDisplayOverrideConfiguration(int displayId) {
+ final ActivityDisplay activityDisplay = getActivityDisplayOrCreateLocked(displayId);
+ if (activityDisplay == null) {
+ throw new IllegalArgumentException("No display found with id: " + displayId);
+ }
+
+ return activityDisplay.getOverrideConfiguration();
+ }
+
+ void setDisplayOverrideConfiguration(Configuration overrideConfiguration, int displayId) {
+ final ActivityDisplay activityDisplay = getActivityDisplayOrCreateLocked(displayId);
+ if (activityDisplay == null) {
+ throw new IllegalArgumentException("No display found with id: " + displayId);
+ }
+
+ activityDisplay.onOverrideConfigurationChanged(overrideConfiguration);
+ }
+
+ /** Check if placing task or activity on specified display is allowed. */
+ boolean canPlaceEntityOnDisplay(int displayId, boolean resizeable, int callingPid,
+ int callingUid, ActivityInfo activityInfo) {
+ if (displayId == DEFAULT_DISPLAY) {
+ // No restrictions for the default display.
+ return true;
+ }
+ if (!mService.mSupportsMultiDisplay) {
+ // Can't launch on secondary displays if feature is not supported.
+ return false;
+ }
+ if (!resizeable && !displayConfigMatchesGlobal(displayId)) {
+ // Can't apply wrong configuration to non-resizeable activities.
+ return false;
+ }
+ if (!isCallerAllowedToLaunchOnDisplay(callingPid, callingUid, displayId, activityInfo)) {
+ // Can't place activities to a display that has restricted launch rules.
+ // In this case the request should be made by explicitly adding target display id and
+ // by caller with corresponding permissions. See #isCallerAllowedToLaunchOnDisplay().
+ return false;
+ }
+ return true;
+ }
+
+ /**
+ * Check if configuration of specified display matches current global config.
+ * Used to check if we can put a non-resizeable activity on a secondary display and it will get
+ * the same config as on the default display.
+ * @param displayId Id of the display to check.
+ * @return {@code true} if configuration matches.
+ */
+ private boolean displayConfigMatchesGlobal(int displayId) {
+ if (displayId == DEFAULT_DISPLAY) {
+ return true;
+ }
+ if (displayId == INVALID_DISPLAY) {
+ return false;
+ }
+ final ActivityDisplay targetDisplay = getActivityDisplayOrCreateLocked(displayId);
+ if (targetDisplay == null) {
+ throw new IllegalArgumentException("No display found with id: " + displayId);
+ }
+ return getConfiguration().equals(targetDisplay.getConfiguration());
+ }
+
+ static class FindTaskResult {
+ ActivityRecord r;
+ boolean matchedByRootAffinity;
+ }
+ private final FindTaskResult mTmpFindTaskResult = new FindTaskResult();
+
+ /**
+ * Temp storage for display ids sorted in focus order.
+ * Maps position to id. Using {@link SparseIntArray} instead of {@link ArrayList} because
+ * it's more efficient, as the number of displays is usually small.
+ */
+ private SparseIntArray mTmpOrderedDisplayIds = new SparseIntArray();
+
+ /**
+ * Used to keep track whether app visibilities got changed since the last pause. Useful to
+ * determine whether to invoke the task stack change listener after pausing.
+ */
+ boolean mAppVisibilitiesChangedSinceLastPause;
+
+ /**
+ * Set of tasks that are in resizing mode during an app transition to fill the "void".
+ */
+ private final ArraySet<Integer> mResizingTasksDuringAnimation = new ArraySet<>();
+
+
+ /**
+ * If set to {@code false} all calls to resize the docked stack {@link #resizeDockedStackLocked}
+ * will be ignored. Useful for the case where the caller is handling resizing of other stack and
+ * moving tasks around and doesn't want dock stack to be resized due to an automatic trigger
+ * like the docked stack going empty.
+ */
+ private boolean mAllowDockedStackResize = true;
+
+ /**
+ * Is dock currently minimized.
+ */
+ boolean mIsDockMinimized;
+
+ final KeyguardController mKeyguardController;
+
+ private PowerManager mPowerManager;
+ private int mDeferResumeCount;
+
+ /**
* Description of a request to start a new activity, which has been held
* due to app switches being disabled.
*/
final ActivityRecord sourceRecord;
final int startFlags;
final ActivityStack stack;
+ final ProcessRecord callerApp;
PendingActivityLaunch(ActivityRecord _r, ActivityRecord _sourceRecord,
- int _startFlags, ActivityStack _stack) {
+ int _startFlags, ActivityStack _stack, ProcessRecord _callerApp) {
r = _r;
sourceRecord = _sourceRecord;
startFlags = _startFlags;
stack = _stack;
+ callerApp = _callerApp;
+ }
+
+ void sendErrorResult(String message) {
+ try {
+ if (callerApp.thread != null) {
+ callerApp.thread.scheduleCrash(message);
+ }
+ } catch (RemoteException e) {
+ Slog.e(TAG, "Exception scheduling crash of failed "
+ + "activity launcher sourceRecord=" + sourceRecord, e);
+ }
}
}
- public ActivityStackSupervisor(ActivityManagerService service, RecentTasks recentTasks) {
+ public ActivityStackSupervisor(ActivityManagerService service, Looper looper) {
mService = service;
+ mHandler = new ActivityStackSupervisorHandler(looper);
+ mActivityMetricsLogger = new ActivityMetricsLogger(this, mService.mContext);
+ mKeyguardController = new KeyguardController(service, this);
+ }
+
+ void setRecentTasks(RecentTasks recentTasks) {
mRecentTasks = recentTasks;
- mHandler = new ActivityStackSupervisorHandler(mService.mHandler.getLooper());
}
/**
* initialized. So we initialize our wakelocks afterwards.
*/
void initPowerManagement() {
- PowerManager pm = (PowerManager)mService.mContext.getSystemService(Context.POWER_SERVICE);
- mGoingToSleep = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "ActivityManager-Sleep");
- mLaunchingActivity = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "*launch*");
+ mPowerManager = (PowerManager)mService.mContext.getSystemService(Context.POWER_SERVICE);
+ mGoingToSleep = mPowerManager
+ .newWakeLock(PARTIAL_WAKE_LOCK, "ActivityManager-Sleep");
+ mLaunchingActivity = mPowerManager.newWakeLock(PARTIAL_WAKE_LOCK, "*launch*");
mLaunchingActivity.setReferenceCounted(false);
}
void setWindowManager(WindowManagerService wm) {
synchronized (mService) {
mWindowManager = wm;
+ mKeyguardController.setWindowManager(wm);
mDisplayManager =
(DisplayManager)mService.mContext.getSystemService(Context.DISPLAY_SERVICE);
mDisplayManager.registerDisplayListener(this, null);
+ mDisplayManagerInternal = LocalServices.getService(DisplayManagerInternal.class);
Display[] displays = mDisplayManager.getDisplays();
for (int displayNdx = displays.length - 1; displayNdx >= 0; --displayNdx) {
throw new IllegalStateException("Default Display does not exist");
}
mActivityDisplays.put(displayId, activityDisplay);
+ calculateDefaultMinimalSizeOfResizeableTasks(activityDisplay);
}
- createStackOnDisplay(HOME_STACK_ID, Display.DEFAULT_DISPLAY);
- mHomeStack = mFocusedStack = mLastFocusedStack = getStack(HOME_STACK_ID);
+ mHomeStack = mFocusedStack = mLastFocusedStack =
+ getStack(HOME_STACK_ID, CREATE_IF_NEEDED, ON_TOP);
mInputManagerInternal = LocalServices.getService(InputManagerInternal.class);
-
- // Initialize this here, now that we can get a valid reference to PackageManager.
- mLeanbackOnlyDevice = isLeanbackOnlyDevice();
}
}
- void notifyActivityDrawnForKeyguard() {
- if (DEBUG_LOCKSCREEN) mService.logLockScreen("");
- mWindowManager.notifyActivityDrawnForKeyguard();
- }
-
ActivityStack getFocusedStack() {
return mFocusedStack;
}
return mLastFocusedStack;
}
- /** Top of all visible stacks is/should always be equal to the focused stack.
- * Use {@link ActivityStack#isStackVisibleLocked} to determine if a specific
- * stack is visible or not. */
- boolean isFrontStack(ActivityStack stack) {
- if (stack == null) {
- return false;
- }
+ boolean isFocusedStack(ActivityStack stack) {
+ return stack != null && stack == mFocusedStack;
+ }
- final ActivityRecord parent = stack.mActivityContainer.mParentActivity;
- if (parent != null) {
- stack = parent.task.stack;
- }
- return stack == mFocusedStack;
+ /** The top most stack on its display. */
+ boolean isFrontStackOnDisplay(ActivityStack stack) {
+ return isFrontOfStackList(stack, stack.getDisplay().mStacks);
}
- void moveHomeStack(boolean toFront, String reason) {
- moveHomeStack(toFront, reason, null);
+ private boolean isFrontOfStackList(ActivityStack stack, List<ActivityStack> stackList) {
+ return stack == stackList.get((stackList.size() - 1));
}
- void moveHomeStack(boolean toFront, String reason, ActivityStack lastFocusedStack) {
- ArrayList<ActivityStack> stacks = mHomeStack.mStacks;
- final int topNdx = stacks.size() - 1;
- if (topNdx <= 0) {
- return;
+ /** NOTE: Should only be called from {@link ActivityStack#moveToFront} */
+ void setFocusStackUnchecked(String reason, ActivityStack focusCandidate) {
+ if (!focusCandidate.isFocusable()) {
+ // The focus candidate isn't focusable. Move focus to the top stack that is focusable.
+ focusCandidate = getNextFocusableStackLocked(focusCandidate);
}
- // The home stack should either be at the top or bottom of the stack list.
- if ((toFront && (stacks.get(topNdx) != mHomeStack))
- || (!toFront && (stacks.get(0) != mHomeStack))) {
- if (DEBUG_STACK) Slog.d(TAG_STACK, "moveHomeTask: topStack old="
- + ((lastFocusedStack != null) ? lastFocusedStack : stacks.get(topNdx))
- + " new=" + mFocusedStack);
- stacks.remove(mHomeStack);
- stacks.add(toFront ? topNdx : 0, mHomeStack);
- }
+ if (focusCandidate != mFocusedStack) {
+ mLastFocusedStack = mFocusedStack;
+ mFocusedStack = focusCandidate;
- if (lastFocusedStack != null) {
- mLastFocusedStack = lastFocusedStack;
+ EventLogTags.writeAmFocusedStack(
+ mCurrentUser, mFocusedStack == null ? -1 : mFocusedStack.getStackId(),
+ mLastFocusedStack == null ? -1 : mLastFocusedStack.getStackId(), reason);
}
- mFocusedStack = stacks.get(topNdx);
-
- EventLog.writeEvent(EventLogTags.AM_HOME_STACK_MOVED,
- mCurrentUser, toFront ? 1 : 0, stacks.get(topNdx).getStackId(),
- mFocusedStack == null ? -1 : mFocusedStack.getStackId(), reason);
+ final ActivityRecord r = topRunningActivityLocked();
if (mService.mBooting || !mService.mBooted) {
- final ActivityRecord r = topRunningActivityLocked();
if (r != null && r.idle) {
checkFinishBootingLocked();
}
}
}
- /** Returns true if the focus activity was adjusted to the home stack top activity. */
- boolean moveHomeStackTaskToTop(int homeStackTaskType, String reason) {
- if (homeStackTaskType == RECENTS_ACTIVITY_TYPE) {
- mWindowManager.showRecentApps();
- return false;
+ void moveHomeStackToFront(String reason) {
+ mHomeStack.moveToFront(reason);
+ }
+
+ void moveRecentsStackToFront(String reason) {
+ final ActivityStack recentsStack = getStack(RECENTS_STACK_ID);
+ if (recentsStack != null) {
+ recentsStack.moveToFront(reason);
}
+ }
- mHomeStack.moveHomeStackTaskToTop(homeStackTaskType);
+ /** Returns true if the focus activity was adjusted to the home stack top activity. */
+ boolean moveHomeStackTaskToTop(String reason) {
+ mHomeStack.moveHomeStackTaskToTop();
final ActivityRecord top = getHomeActivity();
if (top == null) {
return false;
}
- mService.setFocusedActivityLocked(top, reason);
+ moveFocusableActivityStackToFrontLocked(top, reason);
return true;
}
- boolean resumeHomeStackTask(int homeStackTaskType, ActivityRecord prev, String reason) {
+ boolean resumeHomeStackTask(ActivityRecord prev, String reason) {
if (!mService.mBooting && !mService.mBooted) {
// Not ready yet!
return false;
}
- if (homeStackTaskType == RECENTS_ACTIVITY_TYPE) {
- mWindowManager.showRecentApps();
- return false;
- }
-
if (prev != null) {
- prev.task.setTaskToReturnTo(APPLICATION_ACTIVITY_TYPE);
+ prev.getTask().setTaskToReturnTo(APPLICATION_ACTIVITY_TYPE);
}
- mHomeStack.moveHomeStackTaskToTop(homeStackTaskType);
+ mHomeStack.moveHomeStackTaskToTop();
ActivityRecord r = getHomeActivity();
- if (r != null) {
- mService.setFocusedActivityLocked(r, reason);
- return resumeTopActivitiesLocked(mHomeStack, prev, null);
+ final String myReason = reason + " resumeHomeStackTask";
+
+ // Only resume home activity if isn't finishing.
+ if (r != null && !r.finishing) {
+ moveFocusableActivityStackToFrontLocked(r, myReason);
+ return resumeFocusedStackTopActivityLocked(mHomeStack, prev, null);
}
- return mService.startHomeActivityLocked(mCurrentUser, reason);
+ return mService.startHomeActivityLocked(mCurrentUser, myReason);
}
TaskRecord anyTaskForIdLocked(int id) {
- return anyTaskForIdLocked(id, true);
+ return anyTaskForIdLocked(id, MATCH_TASK_IN_STACKS_OR_RECENT_TASKS_AND_RESTORE,
+ INVALID_STACK_ID);
}
/**
- * Returns a {@link TaskRecord} for the input id if available. Null otherwise.
+ * Returns a {@link TaskRecord} for the input id if available. {@code null} otherwise.
* @param id Id of the task we would like returned.
- * @param restoreFromRecents If the id was not in the active list, but was found in recents,
- * restore the task from recents to the active list.
+ * @param matchMode The mode to match the given task id in.
+ * @param stackId The stack to restore the task to (default launch stack will be used if
+ * stackId is {@link android.app.ActivityManager.StackId#INVALID_STACK_ID}). Only
+ * valid if the matchMode is
+ * {@link #MATCH_TASK_IN_STACKS_OR_RECENT_TASKS_AND_RESTORE}.
*/
- TaskRecord anyTaskForIdLocked(int id, boolean restoreFromRecents) {
+ TaskRecord anyTaskForIdLocked(int id, @AnyTaskForIdMatchTaskMode int matchMode, int stackId) {
+ // If there is a stack id set, ensure that we are attempting to actually restore a task
+ if (matchMode != MATCH_TASK_IN_STACKS_OR_RECENT_TASKS_AND_RESTORE &&
+ stackId != INVALID_STACK_ID) {
+ throw new IllegalArgumentException("Should not specify stackId for non-restore lookup");
+ }
+
int numDisplays = mActivityDisplays.size();
for (int displayNdx = 0; displayNdx < numDisplays; ++displayNdx) {
ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks;
for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) {
ActivityStack stack = stacks.get(stackNdx);
- TaskRecord task = stack.taskForIdLocked(id);
+ final TaskRecord task = stack.taskForIdLocked(id);
if (task != null) {
return task;
}
}
}
- // Don't give up! Look in recents.
+ // If we are matching stack tasks only, return now
+ if (matchMode == MATCH_TASK_IN_STACKS_ONLY) {
+ return null;
+ }
+
+ // Otherwise, check the recent tasks and return if we find it there and we are not restoring
+ // the task from recents
if (DEBUG_RECENTS) Slog.v(TAG_RECENTS, "Looking for task id=" + id + " in recents");
- TaskRecord task = mRecentTasks.taskForIdLocked(id);
+ final TaskRecord task = mRecentTasks.taskForIdLocked(id);
+
if (task == null) {
- if (DEBUG_RECENTS) Slog.d(TAG_RECENTS, "\tDidn't find task id=" + id + " in recents");
+ if (DEBUG_RECENTS) {
+ Slog.d(TAG_RECENTS, "\tDidn't find task id=" + id + " in recents");
+ }
+
return null;
}
- if (!restoreFromRecents) {
+ if (matchMode == MATCH_TASK_IN_STACKS_OR_RECENT_TASKS) {
return task;
}
- if (!restoreRecentTaskLocked(task)) {
+ // Implicitly, this case is MATCH_TASK_IN_STACKS_OR_RECENT_TASKS_AND_RESTORE
+ if (!restoreRecentTaskLocked(task, stackId)) {
if (DEBUG_RECENTS) Slog.w(TAG_RECENTS,
"Couldn't restore task id=" + id + " found in recents");
return null;
return null;
}
- void setNextTaskId(int taskId) {
- if (taskId > mCurTaskId) {
- mCurTaskId = taskId;
+ /**
+ * Detects whether we should show a lock screen in front of this task for a locked user.
+ * <p>
+ * We'll do this if either of the following holds:
+ * <ul>
+ * <li>The top activity explicitly belongs to {@param userId}.</li>
+ * <li>The top activity returns a result to an activity belonging to {@param userId}.</li>
+ * </ul>
+ *
+ * @return {@code true} if the top activity looks like it belongs to {@param userId}.
+ */
+ private boolean taskTopActivityIsUser(TaskRecord task, @UserIdInt int userId) {
+ // To handle the case that work app is in the task but just is not the top one.
+ final ActivityRecord activityRecord = task.getTopActivity();
+ final ActivityRecord resultTo = (activityRecord != null ? activityRecord.resultTo : null);
+
+ return (activityRecord != null && activityRecord.userId == userId)
+ || (resultTo != null && resultTo.userId == userId);
+ }
+
+ /**
+ * Find all visible task stacks containing {@param userId} and intercept them with an activity
+ * to block out the contents and possibly start a credential-confirming intent.
+ *
+ * @param userId user handle for the locked managed profile.
+ */
+ void lockAllProfileTasks(@UserIdInt int userId) {
+ mWindowManager.deferSurfaceLayout();
+ try {
+ final List<ActivityStack> stacks = getStacks();
+ for (int stackNdx = stacks.size() - 1; stackNdx >= 0; stackNdx--) {
+ final List<TaskRecord> tasks = stacks.get(stackNdx).getAllTasks();
+ for (int taskNdx = tasks.size() - 1; taskNdx >= 0; taskNdx--) {
+ final TaskRecord task = tasks.get(taskNdx);
+
+ // Check the task for a top activity belonging to userId, or returning a result
+ // to an activity belonging to userId. Example case: a document picker for
+ // personal files, opened by a work app, should still get locked.
+ if (taskTopActivityIsUser(task, userId)) {
+ mService.mTaskChangeNotificationController.notifyTaskProfileLocked(
+ task.taskId, userId);
+ }
+ }
+ }
+ } finally {
+ mWindowManager.continueSurfaceLayout();
+ }
+ }
+
+ void setNextTaskIdForUserLocked(int taskId, int userId) {
+ final int currentTaskId = mCurTaskIdForUser.get(userId, -1);
+ if (taskId > currentTaskId) {
+ mCurTaskIdForUser.put(userId, taskId);
+ }
+ }
+
+ static int nextTaskIdForUser(int taskId, int userId) {
+ int nextTaskId = taskId + 1;
+ if (nextTaskId == (userId + 1) * MAX_TASK_IDS_PER_USER) {
+ // Wrap around as there will be smaller task ids that are available now.
+ nextTaskId -= MAX_TASK_IDS_PER_USER;
}
+ return nextTaskId;
}
- int getNextTaskId() {
- do {
- mCurTaskId++;
- if (mCurTaskId <= 0) {
- mCurTaskId = 1;
+ int getNextTaskIdForUserLocked(int userId) {
+ final int currentTaskId = mCurTaskIdForUser.get(userId, userId * MAX_TASK_IDS_PER_USER);
+ // for a userId u, a taskId can only be in the range
+ // [u*MAX_TASK_IDS_PER_USER, (u+1)*MAX_TASK_IDS_PER_USER-1], so if MAX_TASK_IDS_PER_USER
+ // was 10, user 0 could only have taskIds 0 to 9, user 1: 10 to 19, user 2: 20 to 29, so on.
+ int candidateTaskId = nextTaskIdForUser(currentTaskId, userId);
+ while (mRecentTasks.taskIdTakenForUserLocked(candidateTaskId, userId)
+ || anyTaskForIdLocked(candidateTaskId, MATCH_TASK_IN_STACKS_OR_RECENT_TASKS,
+ INVALID_STACK_ID) != null) {
+ candidateTaskId = nextTaskIdForUser(candidateTaskId, userId);
+ if (candidateTaskId == currentTaskId) {
+ // Something wrong!
+ // All MAX_TASK_IDS_PER_USER task ids are taken up by running tasks for this user
+ throw new IllegalStateException("Cannot get an available task id."
+ + " Reached limit of " + MAX_TASK_IDS_PER_USER
+ + " running tasks per user.");
}
- } while (anyTaskForIdLocked(mCurTaskId, false) != null);
- return mCurTaskId;
+ }
+ mCurTaskIdForUser.put(userId, candidateTaskId);
+ return candidateTaskId;
}
- ActivityRecord resumedAppLocked() {
+ ActivityRecord getResumedActivityLocked() {
ActivityStack stack = mFocusedStack;
if (stack == null) {
return null;
if (resumedActivity == null || resumedActivity.app == null) {
resumedActivity = stack.mPausingActivity;
if (resumedActivity == null || resumedActivity.app == null) {
- resumedActivity = stack.topRunningActivityLocked(null);
+ resumedActivity = stack.topRunningActivityLocked();
}
}
return resumedActivity;
ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks;
for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) {
final ActivityStack stack = stacks.get(stackNdx);
- if (!isFrontStack(stack)) {
+ if (!isFocusedStack(stack)) {
continue;
}
- ActivityRecord hr = stack.topRunningActivityLocked(null);
- if (hr != null) {
- if (hr.app == null && app.uid == hr.info.applicationInfo.uid
- && processName.equals(hr.processName)) {
+ stack.getAllRunningVisibleActivitiesLocked(mTmpActivityList);
+ final ActivityRecord top = stack.topRunningActivityLocked();
+ final int size = mTmpActivityList.size();
+ for (int i = 0; i < size; i++) {
+ final ActivityRecord activity = mTmpActivityList.get(i);
+ if (activity.app == null && app.uid == activity.info.applicationInfo.uid
+ && processName.equals(activity.processName)) {
try {
- if (realStartActivityLocked(hr, app, true, true)) {
+ if (realStartActivityLocked(activity, app,
+ top == activity /* andResume */, true /* checkConfig */)) {
didSomething = true;
}
} catch (RemoteException e) {
Slog.w(TAG, "Exception in new application when starting activity "
- + hr.intent.getComponent().flattenToShortString(), e);
+ + top.intent.getComponent().flattenToShortString(), e);
throw e;
}
}
}
}
if (!didSomething) {
- ensureActivitiesVisibleLocked(null, 0);
+ ensureActivitiesVisibleLocked(null, 0, !PRESERVE_WINDOWS);
}
return didSomething;
}
ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks;
for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) {
final ActivityStack stack = stacks.get(stackNdx);
- if (!isFrontStack(stack) || stack.numActivities() == 0) {
+ if (!isFocusedStack(stack) || stack.numActivities() == 0) {
continue;
}
final ActivityRecord resumedActivity = stack.mResumedActivity;
}
}
}
+ // Send launch end powerhint when idle
+ mService.mActivityStarter.sendPowerHintForLaunchEndIfNeeded();
return true;
}
ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks;
for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) {
final ActivityStack stack = stacks.get(stackNdx);
- if (isFrontStack(stack)) {
+ if (isFocusedStack(stack)) {
final ActivityRecord r = stack.mResumedActivity;
if (r != null && r.state != RESUMED) {
return false;
final ActivityStack stack = stacks.get(stackNdx);
final ActivityRecord r = stack.mResumedActivity;
if (r != null) {
- if (!r.nowVisible || mWaitingVisibleActivities.contains(r)) {
+ if (!r.nowVisible || mActivitiesWaitingForVisibleActivity.contains(r)) {
return false;
}
foundResumed = true;
/**
* Pause all activities in either all of the stacks or just the back stacks.
* @param userLeaving Passed to pauseActivity() to indicate whether to call onUserLeaving().
+ * @param resuming The resuming activity.
+ * @param dontWait The resuming activity isn't going to wait for all activities to be paused
+ * before resuming.
* @return true if any activity was paused as a result of this call.
*/
- boolean pauseBackStacks(boolean userLeaving, boolean resuming, boolean dontWait) {
+ boolean pauseBackStacks(boolean userLeaving, ActivityRecord resuming, boolean dontWait) {
boolean someActivityPaused = false;
for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) {
ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks;
for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) {
final ActivityStack stack = stacks.get(stackNdx);
- if (!isFrontStack(stack) && stack.mResumedActivity != null) {
+ if (!isFocusedStack(stack) && stack.mResumedActivity != null) {
if (DEBUG_STATES) Slog.d(TAG_STATES, "pauseBackStacks: stack=" + stack +
" mResumedActivity=" + stack.mResumedActivity);
someActivityPaused |= stack.startPausingLocked(userLeaving, false, resuming,
return pausing;
}
- void pauseChildStacks(ActivityRecord parent, boolean userLeaving, boolean uiSleeping,
- boolean resuming, boolean dontWait) {
- // TODO: Put all stacks in supervisor and iterate through them instead.
+ void cancelInitializingActivities() {
for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) {
ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks;
for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) {
- final ActivityStack stack = stacks.get(stackNdx);
- if (stack.mResumedActivity != null &&
- stack.mActivityContainer.mParentActivity == parent) {
- stack.startPausingLocked(userLeaving, uiSleeping, resuming, dontWait);
- }
+ stacks.get(stackNdx).cancelInitializingActivities();
+ }
+ }
+ }
+
+ void waitActivityVisible(ComponentName name, WaitResult result) {
+ final WaitInfo waitInfo = new WaitInfo(name, result);
+ mWaitingForActivityVisible.add(waitInfo);
+ }
+
+ void cleanupActivity(ActivityRecord r) {
+ // Make sure this record is no longer in the pending finishes list.
+ // This could happen, for example, if we are trimming activities
+ // down to the max limit while they are still waiting to finish.
+ mFinishingActivities.remove(r);
+ mActivitiesWaitingForVisibleActivity.remove(r);
+
+ for (int i = mWaitingForActivityVisible.size() - 1; i >= 0; --i) {
+ if (mWaitingForActivityVisible.get(i).matches(r.realActivity)) {
+ mWaitingForActivityVisible.remove(i);
}
}
}
void sendWaitingVisibleReportLocked(ActivityRecord r) {
boolean changed = false;
- for (int i = mWaitingActivityVisible.size()-1; i >= 0; i--) {
- WaitResult w = mWaitingActivityVisible.get(i);
+ for (int i = mWaitingForActivityVisible.size() - 1; i >= 0; --i) {
+ final WaitInfo w = mWaitingForActivityVisible.get(i);
+ if (w.matches(r.realActivity)) {
+ final WaitResult result = w.getResult();
+ changed = true;
+ result.timeout = false;
+ result.who = w.getComponent();
+ result.totalTime = SystemClock.uptimeMillis() - result.thisTime;
+ result.thisTime = result.totalTime;
+ mWaitingForActivityVisible.remove(w);
+ }
+ }
+ if (changed) {
+ mService.notifyAll();
+ }
+ }
+
+ void reportTaskToFrontNoLaunch(ActivityRecord r) {
+ boolean changed = false;
+ for (int i = mWaitingActivityLaunched.size() - 1; i >= 0; i--) {
+ WaitResult w = mWaitingActivityLaunched.remove(i);
if (w.who == null) {
changed = true;
- w.timeout = false;
- if (r != null) {
- w.who = new ComponentName(r.info.packageName, r.info.name);
- }
- w.totalTime = SystemClock.uptimeMillis() - w.thisTime;
- w.thisTime = w.totalTime;
+ // Set result to START_TASK_TO_FRONT so that startActivityMayWait() knows that
+ // the starting activity ends up moving another activity to front, and it should
+ // wait for this new activity to become visible instead.
+ // Do not modify other fields.
+ w.result = START_TASK_TO_FRONT;
}
}
if (changed) {
}
w.thisTime = thisTime;
w.totalTime = totalTime;
+ // Do not modify w.result.
}
}
if (changed) {
ActivityRecord topRunningActivityLocked() {
final ActivityStack focusedStack = mFocusedStack;
- ActivityRecord r = focusedStack.topRunningActivityLocked(null);
+ ActivityRecord r = focusedStack.topRunningActivityLocked();
if (r != null) {
return r;
}
- // Return to the home stack.
- final ArrayList<ActivityStack> stacks = mHomeStack.mStacks;
- for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) {
- final ActivityStack stack = stacks.get(stackNdx);
- if (stack != focusedStack && isFrontStack(stack)) {
- r = stack.topRunningActivityLocked(null);
- if (r != null) {
- return r;
+ // Look in other non-focused and non-home stacks.
+ mWindowManager.getDisplaysInFocusOrder(mTmpOrderedDisplayIds);
+
+ for (int i = mTmpOrderedDisplayIds.size() - 1; i >= 0; --i) {
+ final int displayId = mTmpOrderedDisplayIds.get(i);
+ final List<ActivityStack> stacks = mActivityDisplays.get(displayId).mStacks;
+ if (stacks == null) {
+ continue;
+ }
+ for (int j = stacks.size() - 1; j >= 0; --j) {
+ final ActivityStack stack = stacks.get(j);
+ if (stack != focusedStack && isFrontStackOnDisplay(stack) && stack.isFocusable()) {
+ r = stack.topRunningActivityLocked();
+ if (r != null) {
+ return r;
+ }
}
}
}
}
}
- ActivityInfo resolveActivity(Intent intent, String resolvedType, int startFlags,
- ProfilerInfo profilerInfo, int userId) {
- // Collect information about the target of the Intent.
- ActivityInfo aInfo;
- try {
- ResolveInfo rInfo =
- AppGlobals.getPackageManager().resolveIntent(
- intent, resolvedType,
- PackageManager.MATCH_DEFAULT_ONLY
- | ActivityManagerService.STOCK_PM_FLAGS, userId);
- aInfo = rInfo != null ? rInfo.activityInfo : null;
- } catch (RemoteException e) {
- aInfo = null;
- }
-
+ ActivityInfo resolveActivity(Intent intent, ResolveInfo rInfo, int startFlags,
+ ProfilerInfo profilerInfo) {
+ final ActivityInfo aInfo = rInfo != null ? rInfo.activityInfo : null;
if (aInfo != null) {
// Store the found target back into the intent, because now that
// we have it we never want to do this again. For example, if the
aInfo.applicationInfo.packageName, aInfo.name));
// Don't debug things in the system process
- if ((startFlags&ActivityManager.START_FLAG_DEBUG) != 0) {
- if (!aInfo.processName.equals("system")) {
+ if (!aInfo.processName.equals("system")) {
+ if ((startFlags & ActivityManager.START_FLAG_DEBUG) != 0) {
mService.setDebugApp(aInfo.processName, true, false);
}
- }
- if ((startFlags&ActivityManager.START_FLAG_OPENGL_TRACES) != 0) {
- if (!aInfo.processName.equals("system")) {
- mService.setOpenGlTraceApp(aInfo.applicationInfo, aInfo.processName);
+ if ((startFlags & ActivityManager.START_FLAG_NATIVE_DEBUGGING) != 0) {
+ mService.setNativeDebuggingAppLocked(aInfo.applicationInfo, aInfo.processName);
+ }
+
+ if ((startFlags & ActivityManager.START_FLAG_TRACK_ALLOCATION) != 0) {
+ mService.setTrackAllocationApp(aInfo.applicationInfo, aInfo.processName);
}
- }
- if (profilerInfo != null) {
- if (!aInfo.processName.equals("system")) {
+ if (profilerInfo != null) {
mService.setProfileApp(aInfo.applicationInfo, aInfo.processName, profilerInfo);
}
}
+ final String intentLaunchToken = intent.getLaunchToken();
+ if (aInfo.launchToken == null && intentLaunchToken != null) {
+ aInfo.launchToken = intentLaunchToken;
+ }
}
return aInfo;
}
- void startHomeActivity(Intent intent, ActivityInfo aInfo, String reason) {
- moveHomeStackTaskToTop(HOME_ACTIVITY_TYPE, reason);
- startActivityLocked(null /* caller */, intent, null /* resolvedType */, aInfo,
- null /* voiceSession */, null /* voiceInteractor */, null /* resultTo */,
- null /* resultWho */, 0 /* requestCode */, 0 /* callingPid */, 0 /* callingUid */,
- null /* callingPackage */, 0 /* realCallingPid */, 0 /* realCallingUid */,
- 0 /* startFlags */, null /* options */, false /* ignoreTargetSecurity */,
- false /* componentSpecified */,
- null /* outActivity */, null /* container */, null /* inTask */);
- if (inResumeTopActivity) {
- // If we are in resume section already, home activity will be initialized, but not
- // resumed (to avoid recursive resume) and will stay that way until something pokes it
- // again. We need to schedule another resume.
- scheduleResumeTopActivities();
- }
- }
-
- final int startActivityMayWait(IApplicationThread caller, int callingUid,
- String callingPackage, Intent intent, String resolvedType,
- IVoiceInteractionSession voiceSession, IVoiceInteractor voiceInteractor,
- IBinder resultTo, String resultWho, int requestCode, int startFlags,
- ProfilerInfo profilerInfo, WaitResult outResult, Configuration config,
- Bundle options, boolean ignoreTargetSecurity, int userId,
- IActivityContainer iContainer, TaskRecord inTask) {
- // Refuse possible leaked file descriptors
- if (intent != null && intent.hasFileDescriptors()) {
- throw new IllegalArgumentException("File descriptors passed in Intent");
- }
- boolean componentSpecified = intent.getComponent() != null;
-
- // Don't modify the client's object!
- intent = new Intent(intent);
-
- // Collect information about the target of the Intent.
- ActivityInfo aInfo =
- resolveActivity(intent, resolvedType, startFlags, profilerInfo, userId);
-
- ActivityContainer container = (ActivityContainer)iContainer;
- synchronized (mService) {
- if (container != null && container.mParentActivity != null &&
- container.mParentActivity.state != RESUMED) {
- // Cannot start a child activity if the parent is not resumed.
- return ActivityManager.START_CANCELED;
- }
- final int realCallingPid = Binder.getCallingPid();
- final int realCallingUid = Binder.getCallingUid();
- int callingPid;
- if (callingUid >= 0) {
- callingPid = -1;
- } else if (caller == null) {
- callingPid = realCallingPid;
- callingUid = realCallingUid;
- } else {
- callingPid = callingUid = -1;
- }
-
- final ActivityStack stack;
- if (container == null || container.mStack.isOnHomeDisplay()) {
- stack = mFocusedStack;
- } else {
- stack = container.mStack;
- }
- stack.mConfigWillChange = config != null && mService.mConfiguration.diff(config) != 0;
- if (DEBUG_CONFIGURATION) Slog.v(TAG_CONFIGURATION,
- "Starting activity when config will change = " + stack.mConfigWillChange);
-
- final long origId = Binder.clearCallingIdentity();
-
- if (aInfo != null &&
- (aInfo.applicationInfo.privateFlags
- &ApplicationInfo.PRIVATE_FLAG_CANT_SAVE_STATE) != 0) {
- // This may be a heavy-weight process! Check to see if we already
- // have another, different heavy-weight process running.
- if (aInfo.processName.equals(aInfo.applicationInfo.packageName)) {
- if (mService.mHeavyWeightProcess != null &&
- (mService.mHeavyWeightProcess.info.uid != aInfo.applicationInfo.uid ||
- !mService.mHeavyWeightProcess.processName.equals(aInfo.processName))) {
- int appCallingUid = callingUid;
- if (caller != null) {
- ProcessRecord callerApp = mService.getRecordForAppLocked(caller);
- if (callerApp != null) {
- appCallingUid = callerApp.info.uid;
- } else {
- Slog.w(TAG, "Unable to find app for caller " + caller
- + " (pid=" + callingPid + ") when starting: "
- + intent.toString());
- ActivityOptions.abort(options);
- return ActivityManager.START_PERMISSION_DENIED;
- }
- }
+ ResolveInfo resolveIntent(Intent intent, String resolvedType, int userId) {
+ return resolveIntent(intent, resolvedType, userId, 0);
+ }
- IIntentSender target = mService.getIntentSenderLocked(
- ActivityManager.INTENT_SENDER_ACTIVITY, "android",
- appCallingUid, userId, null, null, 0, new Intent[] { intent },
- new String[] { resolvedType }, PendingIntent.FLAG_CANCEL_CURRENT
- | PendingIntent.FLAG_ONE_SHOT, null);
+ ResolveInfo resolveIntent(Intent intent, String resolvedType, int userId, int flags) {
+ synchronized (mService) {
+ return mService.getPackageManagerInternalLocked().resolveIntent(intent, resolvedType,
+ PackageManager.MATCH_INSTANT | PackageManager.MATCH_DEFAULT_ONLY | flags
+ | ActivityManagerService.STOCK_PM_FLAGS, userId);
+ }
+ }
- Intent newIntent = new Intent();
- if (requestCode >= 0) {
- // Caller is requesting a result.
- newIntent.putExtra(HeavyWeightSwitcherActivity.KEY_HAS_RESULT, true);
- }
- newIntent.putExtra(HeavyWeightSwitcherActivity.KEY_INTENT,
- new IntentSender(target));
- if (mService.mHeavyWeightProcess.activities.size() > 0) {
- ActivityRecord hist = mService.mHeavyWeightProcess.activities.get(0);
- newIntent.putExtra(HeavyWeightSwitcherActivity.KEY_CUR_APP,
- hist.packageName);
- newIntent.putExtra(HeavyWeightSwitcherActivity.KEY_CUR_TASK,
- hist.task.taskId);
- }
- newIntent.putExtra(HeavyWeightSwitcherActivity.KEY_NEW_APP,
- aInfo.packageName);
- newIntent.setFlags(intent.getFlags());
- newIntent.setClassName("android",
- HeavyWeightSwitcherActivity.class.getName());
- intent = newIntent;
- resolvedType = null;
- caller = null;
- callingUid = Binder.getCallingUid();
- callingPid = Binder.getCallingPid();
- componentSpecified = true;
- try {
- ResolveInfo rInfo =
- AppGlobals.getPackageManager().resolveIntent(
- intent, null,
- PackageManager.MATCH_DEFAULT_ONLY
- | ActivityManagerService.STOCK_PM_FLAGS, userId);
- aInfo = rInfo != null ? rInfo.activityInfo : null;
- aInfo = mService.getActivityInfoForUser(aInfo, userId);
- } catch (RemoteException e) {
- aInfo = null;
- }
- }
- }
- }
+ ActivityInfo resolveActivity(Intent intent, String resolvedType, int startFlags,
+ ProfilerInfo profilerInfo, int userId) {
+ final ResolveInfo rInfo = resolveIntent(intent, resolvedType, userId);
+ return resolveActivity(intent, rInfo, startFlags, profilerInfo);
+ }
- int res = startActivityLocked(caller, intent, resolvedType, aInfo,
- voiceSession, voiceInteractor, resultTo, resultWho,
- requestCode, callingPid, callingUid, callingPackage,
- realCallingPid, realCallingUid, startFlags, options, ignoreTargetSecurity,
- componentSpecified, null, container, inTask);
-
- Binder.restoreCallingIdentity(origId);
-
- if (stack.mConfigWillChange) {
- // If the caller also wants to switch to a new configuration,
- // do so now. This allows a clean switch, as we are waiting
- // for the current activity to pause (so we will not destroy
- // it), and have not yet started the next activity.
- mService.enforceCallingPermission(android.Manifest.permission.CHANGE_CONFIGURATION,
- "updateConfiguration()");
- stack.mConfigWillChange = false;
- if (DEBUG_CONFIGURATION) Slog.v(TAG_CONFIGURATION,
- "Updating to new configuration after starting activity.");
- mService.updateConfigurationLocked(config, null, false, false);
- }
-
- if (outResult != null) {
- outResult.result = res;
- if (res == ActivityManager.START_SUCCESS) {
- mWaitingActivityLaunched.add(outResult);
- do {
- try {
- mService.wait();
- } catch (InterruptedException e) {
- }
- } while (!outResult.timeout && outResult.who == null);
- } else if (res == ActivityManager.START_TASK_TO_FRONT) {
- ActivityRecord r = stack.topRunningActivityLocked(null);
- if (r.nowVisible && r.state == RESUMED) {
- outResult.timeout = false;
- outResult.who = new ComponentName(r.info.packageName, r.info.name);
- outResult.totalTime = 0;
- outResult.thisTime = 0;
- } else {
- outResult.thisTime = SystemClock.uptimeMillis();
- mWaitingActivityVisible.add(outResult);
- do {
- try {
- mService.wait();
- } catch (InterruptedException e) {
- }
- } while (!outResult.timeout && outResult.who == null);
- }
- }
- }
+ final boolean realStartActivityLocked(ActivityRecord r, ProcessRecord app,
+ boolean andResume, boolean checkConfig) throws RemoteException {
- return res;
+ if (!allPausedActivitiesComplete()) {
+ // While there are activities pausing we skipping starting any new activities until
+ // pauses are complete. NOTE: that we also do this for activities that are starting in
+ // the paused state because they will first be resumed then paused on the client side.
+ if (DEBUG_SWITCH || DEBUG_PAUSE || DEBUG_STATES) Slog.v(TAG_PAUSE,
+ "realStartActivityLocked: Skipping start of r=" + r
+ + " some activities pausing...");
+ return false;
}
- }
- final int startActivities(IApplicationThread caller, int callingUid, String callingPackage,
- Intent[] intents, String[] resolvedTypes, IBinder resultTo,
- Bundle options, int userId) {
- if (intents == null) {
- throw new NullPointerException("intents is null");
- }
- if (resolvedTypes == null) {
- throw new NullPointerException("resolvedTypes is null");
- }
- if (intents.length != resolvedTypes.length) {
- throw new IllegalArgumentException("intents are length different than resolvedTypes");
- }
+ final TaskRecord task = r.getTask();
+ final ActivityStack stack = task.getStack();
+ beginDeferResume();
- int callingPid;
- if (callingUid >= 0) {
- callingPid = -1;
- } else if (caller == null) {
- callingPid = Binder.getCallingPid();
- callingUid = Binder.getCallingUid();
- } else {
- callingPid = callingUid = -1;
- }
- final long origId = Binder.clearCallingIdentity();
try {
- synchronized (mService) {
- ActivityRecord[] outActivity = new ActivityRecord[1];
- for (int i=0; i<intents.length; i++) {
- Intent intent = intents[i];
- if (intent == null) {
- continue;
- }
-
- // Refuse possible leaked file descriptors
- if (intent != null && intent.hasFileDescriptors()) {
- throw new IllegalArgumentException("File descriptors passed in Intent");
- }
+ r.startFreezingScreenLocked(app, 0);
- boolean componentSpecified = intent.getComponent() != null;
+ // schedule launch ticks to collect information about slow apps.
+ r.startLaunchTickingLocked();
- // Don't modify the client's object!
- intent = new Intent(intent);
+ r.app = app;
- // Collect information about the target of the Intent.
- ActivityInfo aInfo = resolveActivity(intent, resolvedTypes[i], 0, null, userId);
- // TODO: New, check if this is correct
- aInfo = mService.getActivityInfoForUser(aInfo, userId);
+ if (mKeyguardController.isKeyguardLocked()) {
+ r.notifyUnknownVisibilityLaunched();
+ }
- if (aInfo != null &&
- (aInfo.applicationInfo.privateFlags
- & ApplicationInfo.PRIVATE_FLAG_CANT_SAVE_STATE) != 0) {
- throw new IllegalArgumentException(
- "FLAG_CANT_SAVE_STATE not supported here");
- }
+ // Have the window manager re-evaluate the orientation of the screen based on the new
+ // activity order. Note that as a result of this, it can call back into the activity
+ // manager with a new orientation. We don't care about that, because the activity is
+ // not currently running so we are just restarting it anyway.
+ if (checkConfig) {
+ final int displayId = r.getDisplayId();
+ final Configuration config = mWindowManager.updateOrientationFromAppTokens(
+ getDisplayOverrideConfiguration(displayId),
+ r.mayFreezeScreenLocked(app) ? r.appToken : null, displayId);
+ // Deferring resume here because we're going to launch new activity shortly.
+ // We don't want to perform a redundant launch of the same record while ensuring
+ // configurations and trying to resume top activity of focused stack.
+ mService.updateDisplayOverrideConfigurationLocked(config, r, true /* deferResume */,
+ displayId);
+ }
- Bundle theseOptions;
- if (options != null && i == intents.length-1) {
- theseOptions = options;
- } else {
- theseOptions = null;
- }
- int res = startActivityLocked(caller, intent, resolvedTypes[i],
- aInfo, null, null, resultTo, null, -1, callingPid, callingUid,
- callingPackage, callingPid, callingUid,
- 0, theseOptions, false, componentSpecified, outActivity, null, null);
- if (res < 0) {
- return res;
- }
+ if (r.getStack().checkKeyguardVisibility(r, true /* shouldBeVisible */,
+ true /* isTop */)) {
+ // We only set the visibility to true if the activity is allowed to be visible
+ // based on
+ // keyguard state. This avoids setting this into motion in window manager that is
+ // later cancelled due to later calls to ensure visible activities that set
+ // visibility back to false.
+ r.setVisibility(true);
+ }
- resultTo = outActivity[0] != null ? outActivity[0].appToken : null;
- }
+ final int applicationInfoUid =
+ (r.info.applicationInfo != null) ? r.info.applicationInfo.uid : -1;
+ if ((r.userId != app.userId) || (r.appInfo.uid != applicationInfoUid)) {
+ Slog.wtf(TAG,
+ "User ID for activity changing for " + r
+ + " appInfo.uid=" + r.appInfo.uid
+ + " info.ai.uid=" + applicationInfoUid
+ + " old=" + r.app + " new=" + app);
}
- } finally {
- Binder.restoreCallingIdentity(origId);
- }
- return ActivityManager.START_SUCCESS;
- }
+ app.waitingToKill = null;
+ r.launchCount++;
+ r.lastLaunchTime = SystemClock.uptimeMillis();
- final boolean realStartActivityLocked(ActivityRecord r,
- ProcessRecord app, boolean andResume, boolean checkConfig)
- throws RemoteException {
+ if (DEBUG_ALL) Slog.v(TAG, "Launching: " + r);
- if (andResume) {
- r.startFreezingScreenLocked(app, 0);
- mWindowManager.setAppVisibility(r.appToken, true);
+ int idx = app.activities.indexOf(r);
+ if (idx < 0) {
+ app.activities.add(r);
+ }
+ mService.updateLruProcessLocked(app, true, null);
+ mService.updateOomAdjLocked();
- // schedule launch ticks to collect information about slow apps.
- r.startLaunchTickingLocked();
- }
-
- // Have the window manager re-evaluate the orientation of
- // the screen based on the new activity order. Note that
- // as a result of this, it can call back into the activity
- // manager with a new orientation. We don't care about that,
- // because the activity is not currently running so we are
- // just restarting it anyway.
- if (checkConfig) {
- Configuration config = mWindowManager.updateOrientationFromAppTokens(
- mService.mConfiguration,
- r.mayFreezeScreenLocked(app) ? r.appToken : null);
- mService.updateConfigurationLocked(config, r, false, false);
- }
-
- r.app = app;
- app.waitingToKill = null;
- r.launchCount++;
- r.lastLaunchTime = SystemClock.uptimeMillis();
-
- if (DEBUG_ALL) Slog.v(TAG, "Launching: " + r);
-
- int idx = app.activities.indexOf(r);
- if (idx < 0) {
- app.activities.add(r);
- }
- mService.updateLruProcessLocked(app, true, null);
- mService.updateOomAdjLocked();
-
- final TaskRecord task = r.task;
- if (task.mLockTaskAuth == LOCK_TASK_AUTH_LAUNCHABLE ||
- task.mLockTaskAuth == LOCK_TASK_AUTH_LAUNCHABLE_PRIV) {
- setLockTaskModeLocked(task, LOCK_TASK_MODE_LOCKED, "mLockTaskAuth==LAUNCHABLE", false);
- }
+ if (task.mLockTaskAuth == LOCK_TASK_AUTH_LAUNCHABLE ||
+ task.mLockTaskAuth == LOCK_TASK_AUTH_LAUNCHABLE_PRIV) {
+ setLockTaskModeLocked(task, LOCK_TASK_MODE_LOCKED, "mLockTaskAuth==LAUNCHABLE",
+ false);
+ }
- final ActivityStack stack = task.stack;
- try {
- if (app.thread == null) {
- throw new RemoteException();
- }
- List<ResultInfo> results = null;
- List<ReferrerIntent> newIntents = null;
- if (andResume) {
- results = r.results;
- newIntents = r.newIntents;
- }
- if (DEBUG_SWITCH) Slog.v(TAG_SWITCH,
- "Launching: " + r + " icicle=" + r.icicle + " with results=" + results
- + " newIntents=" + newIntents + " andResume=" + andResume);
- if (andResume) {
- EventLog.writeEvent(EventLogTags.AM_RESTART_ACTIVITY,
- r.userId, System.identityHashCode(r),
- task.taskId, r.shortComponentName);
- }
- if (r.isHomeActivity() && r.isNotResolverActivity()) {
- // Home process is the root process of the task.
- mService.mHomeProcess = task.mActivities.get(0).app;
- }
- mService.ensurePackageDexOpt(r.intent.getComponent().getPackageName());
- r.sleeping = false;
- r.forceNewConfig = false;
- mService.showAskCompatModeDialogLocked(r);
- r.compat = mService.compatibilityInfoForPackageLocked(r.info.applicationInfo);
- ProfilerInfo profilerInfo = null;
- if (mService.mProfileApp != null && mService.mProfileApp.equals(app.processName)) {
- if (mService.mProfileProc == null || mService.mProfileProc == app) {
- mService.mProfileProc = app;
- final String profileFile = mService.mProfileFile;
- if (profileFile != null) {
- ParcelFileDescriptor profileFd = mService.mProfileFd;
- if (profileFd != null) {
- try {
- profileFd = profileFd.dup();
- } catch (IOException e) {
- if (profileFd != null) {
- try {
- profileFd.close();
- } catch (IOException o) {
- }
- profileFd = null;
+ try {
+ if (app.thread == null) {
+ throw new RemoteException();
+ }
+ List<ResultInfo> results = null;
+ List<ReferrerIntent> newIntents = null;
+ if (andResume) {
+ // We don't need to deliver new intents and/or set results if activity is going
+ // to pause immediately after launch.
+ results = r.results;
+ newIntents = r.newIntents;
+ }
+ if (DEBUG_SWITCH) Slog.v(TAG_SWITCH,
+ "Launching: " + r + " icicle=" + r.icicle + " with results=" + results
+ + " newIntents=" + newIntents + " andResume=" + andResume);
+ EventLog.writeEvent(EventLogTags.AM_RESTART_ACTIVITY, r.userId,
+ System.identityHashCode(r), task.taskId, r.shortComponentName);
+ if (r.isHomeActivity()) {
+ // Home process is the root process of the task.
+ mService.mHomeProcess = task.mActivities.get(0).app;
+ }
+ mService.notifyPackageUse(r.intent.getComponent().getPackageName(),
+ PackageManager.NOTIFY_PACKAGE_USE_ACTIVITY);
+ r.sleeping = false;
+ r.forceNewConfig = false;
+ mService.showUnsupportedZoomDialogIfNeededLocked(r);
+ mService.showAskCompatModeDialogLocked(r);
+ r.compat = mService.compatibilityInfoForPackageLocked(r.info.applicationInfo);
+ ProfilerInfo profilerInfo = null;
+ if (mService.mProfileApp != null && mService.mProfileApp.equals(app.processName)) {
+ if (mService.mProfileProc == null || mService.mProfileProc == app) {
+ mService.mProfileProc = app;
+ ProfilerInfo profilerInfoSvc = mService.mProfilerInfo;
+ if (profilerInfoSvc != null && profilerInfoSvc.profileFile != null) {
+ if (profilerInfoSvc.profileFd != null) {
+ try {
+ profilerInfoSvc.profileFd = profilerInfoSvc.profileFd.dup();
+ } catch (IOException e) {
+ profilerInfoSvc.closeFd();
}
}
- }
- profilerInfo = new ProfilerInfo(profileFile, profileFd,
- mService.mSamplingInterval, mService.mAutoStopProfiler);
+ profilerInfo = new ProfilerInfo(profilerInfoSvc);
+ }
}
}
- }
- if (andResume) {
app.hasShownUi = true;
app.pendingUiClean = true;
- }
- app.forceProcessStateUpTo(mService.mTopProcessState);
- app.thread.scheduleLaunchActivity(new Intent(r.intent), r.appToken,
- System.identityHashCode(r), r.info, new Configuration(mService.mConfiguration),
- new Configuration(stack.mOverrideConfig), r.compat, r.launchedFromPackage,
- task.voiceInteractor, app.repProcState, r.icicle, r.persistentState, results,
- newIntents, !andResume, mService.isNextTransitionForward(), profilerInfo);
-
- if ((app.info.privateFlags&ApplicationInfo.PRIVATE_FLAG_CANT_SAVE_STATE) != 0) {
- // This may be a heavy-weight process! Note that the package
- // manager will ensure that only activity can run in the main
- // process of the .apk, which is the only thing that will be
- // considered heavy-weight.
- if (app.processName.equals(app.info.packageName)) {
- if (mService.mHeavyWeightProcess != null
- && mService.mHeavyWeightProcess != app) {
- Slog.w(TAG, "Starting new heavy weight process " + app
- + " when already running "
- + mService.mHeavyWeightProcess);
+ app.forceProcessStateUpTo(mService.mTopProcessState);
+ // Because we could be starting an Activity in the system process this may not go
+ // across a Binder interface which would create a new Configuration. Consequently
+ // we have to always create a new Configuration here.
+
+ final MergedConfiguration mergedConfiguration = new MergedConfiguration(
+ mService.getGlobalConfiguration(), r.getMergedOverrideConfiguration());
+ r.setLastReportedConfiguration(mergedConfiguration);
+
+ logIfTransactionTooLarge(r.intent, r.icicle);
+ app.thread.scheduleLaunchActivity(new Intent(r.intent), r.appToken,
+ System.identityHashCode(r), r.info,
+ // TODO: Have this take the merged configuration instead of separate global
+ // and override configs.
+ mergedConfiguration.getGlobalConfiguration(),
+ mergedConfiguration.getOverrideConfiguration(), r.compat,
+ r.launchedFromPackage, task.voiceInteractor, app.repProcState, r.icicle,
+ r.persistentState, results, newIntents, !andResume,
+ mService.isNextTransitionForward(), profilerInfo);
+
+ if ((app.info.privateFlags & ApplicationInfo.PRIVATE_FLAG_CANT_SAVE_STATE) != 0) {
+ // This may be a heavy-weight process! Note that the package
+ // manager will ensure that only activity can run in the main
+ // process of the .apk, which is the only thing that will be
+ // considered heavy-weight.
+ if (app.processName.equals(app.info.packageName)) {
+ if (mService.mHeavyWeightProcess != null
+ && mService.mHeavyWeightProcess != app) {
+ Slog.w(TAG, "Starting new heavy weight process " + app
+ + " when already running "
+ + mService.mHeavyWeightProcess);
+ }
+ mService.mHeavyWeightProcess = app;
+ Message msg = mService.mHandler.obtainMessage(
+ ActivityManagerService.POST_HEAVY_NOTIFICATION_MSG);
+ msg.obj = r;
+ mService.mHandler.sendMessage(msg);
}
- mService.mHeavyWeightProcess = app;
- Message msg = mService.mHandler.obtainMessage(
- ActivityManagerService.POST_HEAVY_NOTIFICATION_MSG);
- msg.obj = r;
- mService.mHandler.sendMessage(msg);
}
- }
- } catch (RemoteException e) {
- if (r.launchFailed) {
- // This is the second time we failed -- finish activity
- // and give up.
- Slog.e(TAG, "Second failure launching "
- + r.intent.getComponent().flattenToShortString()
- + ", giving up", e);
- mService.appDiedLocked(app);
- stack.requestFinishActivityLocked(r.appToken, Activity.RESULT_CANCELED, null,
- "2nd-crash", false);
- return false;
- }
+ } catch (RemoteException e) {
+ if (r.launchFailed) {
+ // This is the second time we failed -- finish activity
+ // and give up.
+ Slog.e(TAG, "Second failure launching "
+ + r.intent.getComponent().flattenToShortString()
+ + ", giving up", e);
+ mService.appDiedLocked(app);
+ stack.requestFinishActivityLocked(r.appToken, Activity.RESULT_CANCELED, null,
+ "2nd-crash", false);
+ return false;
+ }
- // This is the first time we failed -- restart process and
- // retry.
- app.activities.remove(r);
- throw e;
+ // This is the first time we failed -- restart process and
+ // retry.
+ r.launchFailed = true;
+ app.activities.remove(r);
+ throw e;
+ }
+ } finally {
+ endDeferResume();
}
r.launchFailed = false;
if (stack.updateLRUListLocked(r)) {
- Slog.w(TAG, "Activity " + r
- + " being launched, but already in LRU list");
+ Slog.w(TAG, "Activity " + r + " being launched, but already in LRU list");
}
- if (andResume) {
+ if (andResume && readyToResume()) {
// As part of the process of launching, ActivityThread also performs
// a resume.
stack.minimalResumeActivityLocked(r);
} else {
- // This activity is not starting in the resumed state... which
- // should look like we asked it to pause+stop (but remain visible),
- // and it has done so and reported back the current icicle and
- // other state.
+ // This activity is not starting in the resumed state... which should look like we asked
+ // it to pause+stop (but remain visible), and it has done so and reported back the
+ // current icicle and other state.
if (DEBUG_STATES) Slog.v(TAG_STATES,
- "Moving to STOPPED: " + r + " (starting in stopped state)");
- r.state = STOPPED;
- r.stopped = true;
+ "Moving to PAUSED: " + r + " (starting in paused state)");
+ r.state = PAUSED;
}
// Launch the new version setup screen if needed. We do this -after-
// launching the initial activity (that is, home), so that it can have
// a chance to initialize itself while in the background, making the
// switch back to it faster and look better.
- if (isFrontStack(stack)) {
+ if (isFocusedStack(stack)) {
mService.startSetupActivityLocked();
}
// Update any services we are bound to that might care about whether
// their client may have activities.
- mService.mServices.updateServiceConnectionActivitiesLocked(r.app);
+ if (r.app != null) {
+ mService.mServices.updateServiceConnectionActivitiesLocked(r.app);
+ }
return true;
}
+ private void logIfTransactionTooLarge(Intent intent, Bundle icicle) {
+ int extrasSize = 0;
+ if (intent != null) {
+ final Bundle extras = intent.getExtras();
+ if (extras != null) {
+ extrasSize = extras.getSize();
+ }
+ }
+ int icicleSize = (icicle == null ? 0 : icicle.getSize());
+ if (extrasSize + icicleSize > 200000) {
+ Slog.e(TAG, "Transaction too large, intent: " + intent + ", extras size: " + extrasSize
+ + ", icicle size: " + icicleSize);
+ }
+ }
+
void startSpecificActivityLocked(ActivityRecord r,
boolean andResume, boolean checkConfig) {
// Is this activity's application already running?
ProcessRecord app = mService.getProcessRecordLocked(r.processName,
r.info.applicationInfo.uid, true);
- r.task.stack.setLaunchTime(r);
+ r.getStack().setLaunchTime(r);
if (app != null && app.thread != null) {
try {
"activity", r.intent.getComponent(), false, false, true);
}
- final int startActivityLocked(IApplicationThread caller,
- Intent intent, String resolvedType, ActivityInfo aInfo,
- IVoiceInteractionSession voiceSession, IVoiceInteractor voiceInteractor,
- IBinder resultTo, String resultWho, int requestCode,
- int callingPid, int callingUid, String callingPackage,
- int realCallingPid, int realCallingUid, int startFlags, Bundle options,
- boolean ignoreTargetSecurity, boolean componentSpecified, ActivityRecord[] outActivity,
- ActivityContainer container, TaskRecord inTask) {
- int err = ActivityManager.START_SUCCESS;
-
- ProcessRecord callerApp = null;
- if (caller != null) {
- callerApp = mService.getRecordForAppLocked(caller);
- if (callerApp != null) {
- callingPid = callerApp.pid;
- callingUid = callerApp.info.uid;
+ boolean checkStartAnyActivityPermission(Intent intent, ActivityInfo aInfo,
+ String resultWho, int requestCode, int callingPid, int callingUid,
+ String callingPackage, boolean ignoreTargetSecurity, ProcessRecord callerApp,
+ ActivityRecord resultRecord, ActivityStack resultStack, ActivityOptions options) {
+ final int startAnyPerm = mService.checkPermission(START_ANY_ACTIVITY, callingPid,
+ callingUid);
+ if (startAnyPerm == PERMISSION_GRANTED) {
+ return true;
+ }
+ final int componentRestriction = getComponentRestrictionForCallingPackage(
+ aInfo, callingPackage, callingPid, callingUid, ignoreTargetSecurity);
+ final int actionRestriction = getActionRestrictionForCallingPackage(
+ intent.getAction(), callingPackage, callingPid, callingUid);
+ if (componentRestriction == ACTIVITY_RESTRICTION_PERMISSION
+ || actionRestriction == ACTIVITY_RESTRICTION_PERMISSION) {
+ if (resultRecord != null) {
+ resultStack.sendActivityResultLocked(-1,
+ resultRecord, resultWho, requestCode,
+ Activity.RESULT_CANCELED, null);
+ }
+ final String msg;
+ if (actionRestriction == ACTIVITY_RESTRICTION_PERMISSION) {
+ msg = "Permission Denial: starting " + intent.toString()
+ + " from " + callerApp + " (pid=" + callingPid
+ + ", uid=" + callingUid + ")" + " with revoked permission "
+ + ACTION_TO_RUNTIME_PERMISSION.get(intent.getAction());
+ } else if (!aInfo.exported) {
+ msg = "Permission Denial: starting " + intent.toString()
+ + " from " + callerApp + " (pid=" + callingPid
+ + ", uid=" + callingUid + ")"
+ + " not exported from uid " + aInfo.applicationInfo.uid;
} else {
- Slog.w(TAG, "Unable to find app for caller " + caller
- + " (pid=" + callingPid + ") when starting: "
- + intent.toString());
- err = ActivityManager.START_PERMISSION_DENIED;
+ msg = "Permission Denial: starting " + intent.toString()
+ + " from " + callerApp + " (pid=" + callingPid
+ + ", uid=" + callingUid + ")"
+ + " requires " + aInfo.permission;
}
+ Slog.w(TAG, msg);
+ throw new SecurityException(msg);
}
- final int userId = aInfo != null ? UserHandle.getUserId(aInfo.applicationInfo.uid) : 0;
-
- if (err == ActivityManager.START_SUCCESS) {
- Slog.i(TAG, "START u" + userId + " {" + intent.toShortString(true, true, true, false)
- + "} from uid " + callingUid
- + " on display " + (container == null ? (mFocusedStack == null ?
- Display.DEFAULT_DISPLAY : mFocusedStack.mDisplayId) :
- (container.mActivityDisplay == null ? Display.DEFAULT_DISPLAY :
- container.mActivityDisplay.mDisplayId)));
+ if (actionRestriction == ACTIVITY_RESTRICTION_APPOP) {
+ final String message = "Appop Denial: starting " + intent.toString()
+ + " from " + callerApp + " (pid=" + callingPid
+ + ", uid=" + callingUid + ")"
+ + " requires " + AppOpsManager.permissionToOp(
+ ACTION_TO_RUNTIME_PERMISSION.get(intent.getAction()));
+ Slog.w(TAG, message);
+ return false;
+ } else if (componentRestriction == ACTIVITY_RESTRICTION_APPOP) {
+ final String message = "Appop Denial: starting " + intent.toString()
+ + " from " + callerApp + " (pid=" + callingPid
+ + ", uid=" + callingUid + ")"
+ + " requires appop " + AppOpsManager.permissionToOp(aInfo.permission);
+ Slog.w(TAG, message);
+ return false;
}
-
- ActivityRecord sourceRecord = null;
- ActivityRecord resultRecord = null;
- if (resultTo != null) {
- sourceRecord = isInAnyStackLocked(resultTo);
- if (DEBUG_RESULTS) Slog.v(TAG_RESULTS,
- "Will send result to " + resultTo + " " + sourceRecord);
- if (sourceRecord != null) {
- if (requestCode >= 0 && !sourceRecord.finishing) {
- resultRecord = sourceRecord;
+ if (options != null) {
+ if (options.getLaunchTaskId() != INVALID_STACK_ID) {
+ final int startInTaskPerm = mService.checkPermission(START_TASKS_FROM_RECENTS,
+ callingPid, callingUid);
+ if (startInTaskPerm == PERMISSION_DENIED) {
+ final String msg = "Permission Denial: starting " + intent.toString()
+ + " from " + callerApp + " (pid=" + callingPid
+ + ", uid=" + callingUid + ") with launchTaskId="
+ + options.getLaunchTaskId();
+ Slog.w(TAG, msg);
+ throw new SecurityException(msg);
}
}
- }
-
- final int launchFlags = intent.getFlags();
-
- if ((launchFlags & Intent.FLAG_ACTIVITY_FORWARD_RESULT) != 0 && sourceRecord != null) {
- // Transfer the result target from the source activity to the new
- // one being started, including any failures.
- if (requestCode >= 0) {
- ActivityOptions.abort(options);
- return ActivityManager.START_FORWARD_AND_REQUEST_CONFLICT;
- }
- resultRecord = sourceRecord.resultTo;
- if (resultRecord != null && !resultRecord.isInStackLocked()) {
- resultRecord = null;
- }
- resultWho = sourceRecord.resultWho;
- requestCode = sourceRecord.requestCode;
- sourceRecord.resultTo = null;
- if (resultRecord != null) {
- resultRecord.removeResultsLocked(sourceRecord, resultWho, requestCode);
- }
- if (sourceRecord.launchedFromUid == callingUid) {
- // The new activity is being launched from the same uid as the previous
- // activity in the flow, and asking to forward its result back to the
- // previous. In this case the activity is serving as a trampoline between
- // the two, so we also want to update its launchedFromPackage to be the
- // same as the previous activity. Note that this is safe, since we know
- // these two packages come from the same uid; the caller could just as
- // well have supplied that same package name itself. This specifially
- // deals with the case of an intent picker/chooser being launched in the app
- // flow to redirect to an activity picked by the user, where we want the final
- // activity to consider it to have been launched by the previous app activity.
- callingPackage = sourceRecord.launchedFromPackage;
- }
- }
-
- if (err == ActivityManager.START_SUCCESS && intent.getComponent() == null) {
- // We couldn't find a class that can handle the given Intent.
- // That's the end of that!
- err = ActivityManager.START_INTENT_NOT_RESOLVED;
- }
-
- if (err == ActivityManager.START_SUCCESS && aInfo == null) {
- // We couldn't find the specific class specified in the Intent.
- // Also the end of the line.
- err = ActivityManager.START_CLASS_NOT_FOUND;
- }
-
- if (err == ActivityManager.START_SUCCESS
- && !isCurrentProfileLocked(userId)
- && (aInfo.flags & FLAG_SHOW_FOR_ALL_USERS) == 0) {
- // Trying to launch a background activity that doesn't show for all users.
- err = ActivityManager.START_NOT_CURRENT_USER_ACTIVITY;
- }
-
- if (err == ActivityManager.START_SUCCESS && sourceRecord != null
- && sourceRecord.task.voiceSession != null) {
- // If this activity is being launched as part of a voice session, we need
- // to ensure that it is safe to do so. If the upcoming activity will also
- // be part of the voice session, we can only launch it if it has explicitly
- // said it supports the VOICE category, or it is a part of the calling app.
- if ((launchFlags & Intent.FLAG_ACTIVITY_NEW_TASK) == 0
- && sourceRecord.info.applicationInfo.uid != aInfo.applicationInfo.uid) {
- try {
- intent.addCategory(Intent.CATEGORY_VOICE);
- if (!AppGlobals.getPackageManager().activitySupportsIntent(
- intent.getComponent(), intent, resolvedType)) {
- Slog.w(TAG,
- "Activity being started in current voice task does not support voice: "
- + intent);
- err = ActivityManager.START_NOT_VOICE_COMPATIBLE;
- }
- } catch (RemoteException e) {
- Slog.w(TAG, "Failure checking voice capabilities", e);
- err = ActivityManager.START_NOT_VOICE_COMPATIBLE;
- }
+ // Check if someone tries to launch an activity on a private display with a different
+ // owner.
+ final int launchDisplayId = options.getLaunchDisplayId();
+ if (launchDisplayId != INVALID_DISPLAY && !isCallerAllowedToLaunchOnDisplay(callingPid,
+ callingUid, launchDisplayId, aInfo)) {
+ final String msg = "Permission Denial: starting " + intent.toString()
+ + " from " + callerApp + " (pid=" + callingPid
+ + ", uid=" + callingUid + ") with launchDisplayId="
+ + launchDisplayId;
+ Slog.w(TAG, msg);
+ throw new SecurityException(msg);
}
}
- if (err == ActivityManager.START_SUCCESS && voiceSession != null) {
- // If the caller is starting a new voice session, just make sure the target
- // is actually allowing it to run this way.
- try {
- if (!AppGlobals.getPackageManager().activitySupportsIntent(intent.getComponent(),
- intent, resolvedType)) {
- Slog.w(TAG,
- "Activity being started in new voice task does not support: "
- + intent);
- err = ActivityManager.START_NOT_VOICE_COMPATIBLE;
- }
- } catch (RemoteException e) {
- Slog.w(TAG, "Failure checking voice capabilities", e);
- err = ActivityManager.START_NOT_VOICE_COMPATIBLE;
- }
- }
+ return true;
+ }
- final ActivityStack resultStack = resultRecord == null ? null : resultRecord.task.stack;
+ /** Check if caller is allowed to launch activities on specified display. */
+ boolean isCallerAllowedToLaunchOnDisplay(int callingPid, int callingUid, int launchDisplayId,
+ ActivityInfo aInfo) {
+ if (DEBUG_TASKS) Slog.d(TAG, "Launch on display check: displayId=" + launchDisplayId
+ + " callingPid=" + callingPid + " callingUid=" + callingUid);
- if (err != ActivityManager.START_SUCCESS) {
- if (resultRecord != null) {
- resultStack.sendActivityResultLocked(-1,
- resultRecord, resultWho, requestCode,
- Activity.RESULT_CANCELED, null);
- }
- ActivityOptions.abort(options);
- return err;
+ if (callingPid == -1 && callingUid == -1) {
+ if (DEBUG_TASKS) Slog.d(TAG, "Launch on display check: no caller info, skip check");
+ return true;
}
- boolean abort = false;
+ final ActivityDisplay activityDisplay = getActivityDisplayOrCreateLocked(launchDisplayId);
+ if (activityDisplay == null) {
+ Slog.w(TAG, "Launch on display check: display not found");
+ return false;
+ }
- final int startAnyPerm = mService.checkPermission(
- START_ANY_ACTIVITY, callingPid, callingUid);
+ // Check if the caller has enough privileges to embed activities and launch to private
+ // displays.
+ final int startAnyPerm = mService.checkPermission(INTERNAL_SYSTEM_WINDOW, callingPid,
+ callingUid);
+ if (startAnyPerm == PERMISSION_GRANTED) {
+ if (DEBUG_TASKS) Slog.d(TAG, "Launch on display check:"
+ + " allow launch any on display");
+ return true;
+ }
- if (startAnyPerm != PERMISSION_GRANTED) {
- final int componentRestriction = getComponentRestrictionForCallingPackage(
- aInfo, callingPackage, callingPid, callingUid, ignoreTargetSecurity);
- final int actionRestriction = getActionRestrictionForCallingPackage(
- intent.getAction(), callingPackage, callingPid, callingUid);
+ // Check if caller is already present on display
+ final boolean uidPresentOnDisplay = activityDisplay.isUidPresent(callingUid);
- if (componentRestriction == ACTIVITY_RESTRICTION_PERMISSION
- || actionRestriction == ACTIVITY_RESTRICTION_PERMISSION) {
- if (resultRecord != null) {
- resultStack.sendActivityResultLocked(-1,
- resultRecord, resultWho, requestCode,
- Activity.RESULT_CANCELED, null);
- }
- String msg;
- if (actionRestriction == ACTIVITY_RESTRICTION_PERMISSION) {
- msg = "Permission Denial: starting " + intent.toString()
- + " from " + callerApp + " (pid=" + callingPid
- + ", uid=" + callingUid + ")" + " with revoked permission "
- + ACTION_TO_RUNTIME_PERMISSION.get(intent.getAction());
- } else if (!aInfo.exported) {
- msg = "Permission Denial: starting " + intent.toString()
- + " from " + callerApp + " (pid=" + callingPid
- + ", uid=" + callingUid + ")"
- + " not exported from uid " + aInfo.applicationInfo.uid;
- } else {
- msg = "Permission Denial: starting " + intent.toString()
- + " from " + callerApp + " (pid=" + callingPid
- + ", uid=" + callingUid + ")"
- + " requires " + aInfo.permission;
- }
- Slog.w(TAG, msg);
- throw new SecurityException(msg);
+ final int displayOwnerUid = activityDisplay.mDisplay.getOwnerUid();
+ if (activityDisplay.mDisplay.getType() == TYPE_VIRTUAL && displayOwnerUid != SYSTEM_UID
+ && displayOwnerUid != aInfo.applicationInfo.uid) {
+ // Limit launching on virtual displays, because their contents can be read from Surface
+ // by apps that created them.
+ if ((aInfo.flags & ActivityInfo.FLAG_ALLOW_EMBEDDED) == 0) {
+ if (DEBUG_TASKS) Slog.d(TAG, "Launch on display check:"
+ + " disallow launch on virtual display for not-embedded activity.");
+ return false;
}
-
- if (actionRestriction == ACTIVITY_RESTRICTION_APPOP) {
- String message = "Appop Denial: starting " + intent.toString()
- + " from " + callerApp + " (pid=" + callingPid
- + ", uid=" + callingUid + ")"
- + " requires " + AppOpsManager.permissionToOp(
- ACTION_TO_RUNTIME_PERMISSION.get(intent.getAction()));
- Slog.w(TAG, message);
- abort = true;
- } else if (componentRestriction == ACTIVITY_RESTRICTION_APPOP) {
- String message = "Appop Denial: starting " + intent.toString()
- + " from " + callerApp + " (pid=" + callingPid
- + ", uid=" + callingUid + ")"
- + " requires appop " + AppOpsManager.permissionToOp(aInfo.permission);
- Slog.w(TAG, message);
- abort = true;
+ // Check if the caller is allowed to embed activities from other apps.
+ if (mService.checkPermission(ACTIVITY_EMBEDDING, callingPid, callingUid)
+ == PERMISSION_DENIED && !uidPresentOnDisplay) {
+ if (DEBUG_TASKS) Slog.d(TAG, "Launch on display check:"
+ + " disallow activity embedding without permission.");
+ return false;
}
}
- abort |= !mService.mIntentFirewall.checkStartActivity(intent, callingUid,
- callingPid, resolvedType, aInfo.applicationInfo);
-
- if (mService.mController != null) {
- try {
- // The Intent we give to the watcher has the extra data
- // stripped off, since it can contain private information.
- Intent watchIntent = intent.cloneFilter();
- abort |= !mService.mController.activityStarting(watchIntent,
- aInfo.applicationInfo.packageName);
- } catch (RemoteException e) {
- mService.mController = null;
- }
+ if (!activityDisplay.isPrivate()) {
+ // Anyone can launch on a public display.
+ if (DEBUG_TASKS) Slog.d(TAG, "Launch on display check:"
+ + " allow launch on public display");
+ return true;
}
- if (abort) {
- if (resultRecord != null) {
- resultStack.sendActivityResultLocked(-1, resultRecord, resultWho, requestCode,
- Activity.RESULT_CANCELED, null);
- }
- // We pretend to the caller that it was really started, but
- // they will just get a cancel result.
- ActivityOptions.abort(options);
- return ActivityManager.START_SUCCESS;
+ // Check if the caller is the owner of the display.
+ if (displayOwnerUid == callingUid) {
+ if (DEBUG_TASKS) Slog.d(TAG, "Launch on display check:"
+ + " allow launch for owner of the display");
+ return true;
}
- ActivityRecord r = new ActivityRecord(mService, callerApp, callingUid, callingPackage,
- intent, resolvedType, aInfo, mService.mConfiguration, resultRecord, resultWho,
- requestCode, componentSpecified, voiceSession != null, this, container, options);
- if (outActivity != null) {
- outActivity[0] = r;
+ if (uidPresentOnDisplay) {
+ if (DEBUG_TASKS) Slog.d(TAG, "Launch on display check:"
+ + " allow launch for caller present on the display");
+ return true;
}
- if (r.appTimeTracker == null && sourceRecord != null) {
- // If the caller didn't specify an explicit time tracker, we want to continue
- // tracking under any it has.
- r.appTimeTracker = sourceRecord.appTimeTracker;
- }
+ Slog.w(TAG, "Launch on display check: denied");
+ return false;
+ }
- final ActivityStack stack = mFocusedStack;
- if (voiceSession == null && (stack.mResumedActivity == null
- || stack.mResumedActivity.info.applicationInfo.uid != callingUid)) {
- if (!mService.checkAppSwitchAllowedLocked(callingPid, callingUid,
- realCallingPid, realCallingUid, "Activity start")) {
- PendingActivityLaunch pal =
- new PendingActivityLaunch(r, sourceRecord, startFlags, stack);
- mPendingActivityLaunches.add(pal);
- ActivityOptions.abort(options);
- return ActivityManager.START_SWITCHES_CANCELED;
+ /** Update lists of UIDs that are present on displays and have access to them. */
+ void updateUIDsPresentOnDisplay() {
+ mDisplayAccessUIDs.clear();
+ for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) {
+ final ActivityDisplay activityDisplay = mActivityDisplays.valueAt(displayNdx);
+ // Only bother calculating the whitelist for private displays
+ if (activityDisplay.isPrivate()) {
+ mDisplayAccessUIDs.append(
+ activityDisplay.mDisplayId, activityDisplay.getPresentUIDs());
}
}
+ // Store updated lists in DisplayManager. Callers from outside of AM should get them there.
+ mDisplayManagerInternal.setDisplayAccessUIDs(mDisplayAccessUIDs);
+ }
- if (mService.mDidAppSwitch) {
- // This is the second allowed switch since we stopped switches,
- // so now just generally allow switches. Use case: user presses
- // home (switches disabled, switch to home, mDidAppSwitch now true);
- // user taps a home icon (coming from home so allowed, we hit here
- // and now allow anyone to switch again).
- mService.mAppSwitchesAllowedTime = 0;
- } else {
- mService.mDidAppSwitch = true;
- }
-
- doPendingActivityLaunchesLocked(false);
-
- err = startActivityUncheckedLocked(r, sourceRecord, voiceSession, voiceInteractor,
- startFlags, true, options, inTask);
-
- if (err < 0) {
- // If someone asked to have the keyguard dismissed on the next
- // activity start, but we are not actually doing an activity
- // switch... just dismiss the keyguard now, because we
- // probably want to see whatever is behind it.
- notifyActivityDrawnForKeyguard();
+ UserInfo getUserInfo(int userId) {
+ final long identity = Binder.clearCallingIdentity();
+ try {
+ return UserManager.get(mService.mContext).getUserInfo(userId);
+ } finally {
+ Binder.restoreCallingIdentity(identity);
}
- return err;
}
private int getComponentRestrictionForCallingPackage(ActivityInfo activityInfo,
String callingPackage, int callingPid, int callingUid, boolean ignoreTargetSecurity) {
if (!ignoreTargetSecurity && mService.checkComponentPermission(activityInfo.permission,
callingPid, callingUid, activityInfo.applicationInfo.uid, activityInfo.exported)
- == PackageManager.PERMISSION_DENIED) {
+ == PERMISSION_DENIED) {
return ACTIVITY_RESTRICTION_PERMISSION;
}
return ACTIVITY_RESTRICTION_NONE;
}
- if (mService.checkPermission(permission, callingPid, callingUid) ==
- PackageManager.PERMISSION_DENIED) {
+ if (mService.checkPermission(permission, callingPid, callingUid) == PERMISSION_DENIED) {
return ACTIVITY_RESTRICTION_PERMISSION;
}
return ACTIVITY_RESTRICTION_NONE;
}
- ActivityStack computeStackFocus(ActivityRecord r, boolean newTask) {
- final TaskRecord task = r.task;
-
- // On leanback only devices we should keep all activities in the same stack.
- if (!mLeanbackOnlyDevice &&
- (r.isApplicationActivity() || (task != null && task.isApplicationTask()))) {
-
- ActivityStack stack;
-
- if (task != null && task.stack != null) {
- stack = task.stack;
- if (stack.isOnHomeDisplay()) {
- if (mFocusedStack != stack) {
- if (DEBUG_FOCUS || DEBUG_STACK) Slog.d(TAG_FOCUS,
- "computeStackFocus: Setting " + "focused stack to r=" + r
- + " task=" + task);
- } else {
- if (DEBUG_FOCUS || DEBUG_STACK) Slog.d(TAG_FOCUS,
- "computeStackFocus: Focused stack already=" + mFocusedStack);
- }
- }
- return stack;
- }
-
- final ActivityContainer container = r.mInitialActivityContainer;
- if (container != null) {
- // The first time put it on the desired stack, after this put on task stack.
- r.mInitialActivityContainer = null;
- return container.mStack;
- }
-
- if (mFocusedStack != mHomeStack && (!newTask ||
- mFocusedStack.mActivityContainer.isEligibleForNewTasks())) {
- if (DEBUG_FOCUS || DEBUG_STACK) Slog.d(TAG_FOCUS,
- "computeStackFocus: Have a focused stack=" + mFocusedStack);
- return mFocusedStack;
- }
-
- final ArrayList<ActivityStack> homeDisplayStacks = mHomeStack.mStacks;
- for (int stackNdx = homeDisplayStacks.size() - 1; stackNdx >= 0; --stackNdx) {
- stack = homeDisplayStacks.get(stackNdx);
- if (!stack.isHomeStack()) {
- if (DEBUG_FOCUS || DEBUG_STACK) Slog.d(TAG_FOCUS,
- "computeStackFocus: Setting focused stack=" + stack);
- return stack;
- }
- }
-
- // Need to create an app stack for this user.
- stack = createStackOnDisplay(getNextStackId(), Display.DEFAULT_DISPLAY);
- if (DEBUG_FOCUS || DEBUG_STACK) Slog.d(TAG_FOCUS, "computeStackFocus: New stack r="
- + r + " stackId=" + stack.mStackId);
- return stack;
- }
- return mHomeStack;
+ void setLaunchSource(int uid) {
+ mLaunchingActivity.setWorkSource(new WorkSource(uid));
}
- boolean setFocusedStack(ActivityRecord r, String reason) {
- if (r == null) {
- // Not sure what you are trying to do, but it is not going to work...
- return false;
+ void acquireLaunchWakelock() {
+ if (VALIDATE_WAKE_LOCK_CALLER && Binder.getCallingUid() != Process.myUid()) {
+ throw new IllegalStateException("Calling must be system uid");
}
- final TaskRecord task = r.task;
- if (task == null || task.stack == null) {
- Slog.w(TAG, "Can't set focus stack for r=" + r + " task=" + task);
- return false;
+ mLaunchingActivity.acquire();
+ if (!mHandler.hasMessages(LAUNCH_TIMEOUT_MSG)) {
+ // To be safe, don't allow the wake lock to be held for too long.
+ mHandler.sendEmptyMessageDelayed(LAUNCH_TIMEOUT_MSG, LAUNCH_TIMEOUT);
}
- task.stack.moveToFront(reason);
- return true;
}
- final int startActivityUncheckedLocked(final ActivityRecord r, ActivityRecord sourceRecord,
- IVoiceInteractionSession voiceSession, IVoiceInteractor voiceInteractor, int startFlags,
- boolean doResume, Bundle options, TaskRecord inTask) {
- final Intent intent = r.intent;
- final int callingUid = r.launchedFromUid;
-
- // In some flows in to this function, we retrieve the task record and hold on to it
- // without a lock before calling back in to here... so the task at this point may
- // not actually be in recents. Check for that, and if it isn't in recents just
- // consider it invalid.
- if (inTask != null && !inTask.inRecents) {
- Slog.w(TAG, "Starting activity in task not in recents: " + inTask);
- inTask = null;
- }
-
- final boolean launchSingleTop = r.launchMode == ActivityInfo.LAUNCH_SINGLE_TOP;
- final boolean launchSingleInstance = r.launchMode == ActivityInfo.LAUNCH_SINGLE_INSTANCE;
- final boolean launchSingleTask = r.launchMode == ActivityInfo.LAUNCH_SINGLE_TASK;
-
- int launchFlags = intent.getFlags();
- if ((launchFlags & Intent.FLAG_ACTIVITY_NEW_DOCUMENT) != 0 &&
- (launchSingleInstance || launchSingleTask)) {
- // We have a conflict between the Intent and the Activity manifest, manifest wins.
- Slog.i(TAG, "Ignoring FLAG_ACTIVITY_NEW_DOCUMENT, launchMode is " +
- "\"singleInstance\" or \"singleTask\"");
- launchFlags &=
- ~(Intent.FLAG_ACTIVITY_NEW_DOCUMENT | Intent.FLAG_ACTIVITY_MULTIPLE_TASK);
- } else {
- switch (r.info.documentLaunchMode) {
- case ActivityInfo.DOCUMENT_LAUNCH_NONE:
- break;
- case ActivityInfo.DOCUMENT_LAUNCH_INTO_EXISTING:
- launchFlags |= Intent.FLAG_ACTIVITY_NEW_DOCUMENT;
- break;
- case ActivityInfo.DOCUMENT_LAUNCH_ALWAYS:
- launchFlags |= Intent.FLAG_ACTIVITY_NEW_DOCUMENT;
- break;
- case ActivityInfo.DOCUMENT_LAUNCH_NEVER:
- launchFlags &= ~Intent.FLAG_ACTIVITY_MULTIPLE_TASK;
- break;
- }
+ /**
+ * Called when the frontmost task is idle.
+ * @return the state of mService.mBooting before this was called.
+ */
+ private boolean checkFinishBootingLocked() {
+ final boolean booting = mService.mBooting;
+ boolean enableScreen = false;
+ mService.mBooting = false;
+ if (!mService.mBooted) {
+ mService.mBooted = true;
+ enableScreen = true;
+ }
+ if (booting || enableScreen) {
+ mService.postFinishBooting(booting, enableScreen);
}
+ return booting;
+ }
- final boolean launchTaskBehind = r.mLaunchTaskBehind
- && !launchSingleTask && !launchSingleInstance
- && (launchFlags & Intent.FLAG_ACTIVITY_NEW_DOCUMENT) != 0;
+ // Checked.
+ final ActivityRecord activityIdleInternalLocked(final IBinder token, boolean fromTimeout,
+ boolean processPausingActivities, Configuration config) {
+ if (DEBUG_ALL) Slog.v(TAG, "Activity idle: " + token);
- if (r.resultTo != null && (launchFlags & Intent.FLAG_ACTIVITY_NEW_TASK) != 0
- && r.resultTo.task.stack != null) {
- // For whatever reason this activity is being launched into a new
- // task... yet the caller has requested a result back. Well, that
- // is pretty messed up, so instead immediately send back a cancel
- // and let the new task continue launched as normal without a
- // dependency on its originator.
- Slog.w(TAG, "Activity is launching as a new task, so cancelling activity result.");
- r.resultTo.task.stack.sendActivityResultLocked(-1,
- r.resultTo, r.resultWho, r.requestCode,
- Activity.RESULT_CANCELED, null);
- r.resultTo = null;
- }
+ ArrayList<ActivityRecord> finishes = null;
+ ArrayList<UserState> startingUsers = null;
+ int NS = 0;
+ int NF = 0;
+ boolean booting = false;
+ boolean activityRemoved = false;
- if ((launchFlags & Intent.FLAG_ACTIVITY_NEW_DOCUMENT) != 0 && r.resultTo == null) {
- launchFlags |= Intent.FLAG_ACTIVITY_NEW_TASK;
- }
+ ActivityRecord r = ActivityRecord.forTokenLocked(token);
+ if (r != null) {
+ if (DEBUG_IDLE) Slog.d(TAG_IDLE, "activityIdleInternalLocked: Callers="
+ + Debug.getCallers(4));
+ mHandler.removeMessages(IDLE_TIMEOUT_MSG, r);
+ r.finishLaunchTickingLocked();
+ if (fromTimeout) {
+ reportActivityLaunchedLocked(fromTimeout, r, -1, -1);
+ }
- // If we are actually going to launch in to a new task, there are some cases where
- // we further want to do multiple task.
- if ((launchFlags & Intent.FLAG_ACTIVITY_NEW_TASK) != 0) {
- if (launchTaskBehind
- || r.info.documentLaunchMode == ActivityInfo.DOCUMENT_LAUNCH_ALWAYS) {
- launchFlags |= Intent.FLAG_ACTIVITY_MULTIPLE_TASK;
+ // This is a hack to semi-deal with a race condition
+ // in the client where it can be constructed with a
+ // newer configuration from when we asked it to launch.
+ // We'll update with whatever configuration it now says
+ // it used to launch.
+ if (config != null) {
+ r.setLastReportedGlobalConfiguration(config);
}
- }
- // We'll invoke onUserLeaving before onPause only if the launching
- // activity did not explicitly state that this is an automated launch.
- mUserLeaving = (launchFlags & Intent.FLAG_ACTIVITY_NO_USER_ACTION) == 0;
- if (DEBUG_USER_LEAVING) Slog.v(TAG_USER_LEAVING,
- "startActivity() => mUserLeaving=" + mUserLeaving);
+ // We are now idle. If someone is waiting for a thumbnail from
+ // us, we can now deliver.
+ r.idle = true;
- // If the caller has asked not to resume at this point, we make note
- // of this in the record so that we can skip it when trying to find
- // the top running activity.
- if (!doResume) {
- r.delayedResume = true;
+ //Slog.i(TAG, "IDLE: mBooted=" + mBooted + ", fromTimeout=" + fromTimeout);
+ if (isFocusedStack(r.getStack()) || fromTimeout) {
+ booting = checkFinishBootingLocked();
+ }
}
- ActivityRecord notTop =
- (launchFlags & Intent.FLAG_ACTIVITY_PREVIOUS_IS_TOP) != 0 ? r : null;
-
- // If the onlyIfNeeded flag is set, then we can do this if the activity
- // being launched is the same as the one making the call... or, as
- // a special case, if we do not know the caller then we count the
- // current top activity as the caller.
- if ((startFlags&ActivityManager.START_FLAG_ONLY_IF_NEEDED) != 0) {
- ActivityRecord checkedCaller = sourceRecord;
- if (checkedCaller == null) {
- checkedCaller = mFocusedStack.topRunningNonDelayedActivityLocked(notTop);
+ if (allResumedActivitiesIdle()) {
+ if (r != null) {
+ mService.scheduleAppGcsLocked();
}
- if (!checkedCaller.realActivity.equals(r.realActivity)) {
- // Caller is not the same as launcher, so always needed.
- startFlags &= ~ActivityManager.START_FLAG_ONLY_IF_NEEDED;
+
+ if (mLaunchingActivity.isHeld()) {
+ mHandler.removeMessages(LAUNCH_TIMEOUT_MSG);
+ if (VALIDATE_WAKE_LOCK_CALLER &&
+ Binder.getCallingUid() != Process.myUid()) {
+ throw new IllegalStateException("Calling must be system uid");
+ }
+ mLaunchingActivity.release();
}
+ ensureActivitiesVisibleLocked(null, 0, !PRESERVE_WINDOWS);
}
- boolean addingToTask = false;
- TaskRecord reuseTask = null;
+ // Atomically retrieve all of the other things to do.
+ final ArrayList<ActivityRecord> stops = processStoppingActivitiesLocked(r,
+ true /* remove */, processPausingActivities);
+ NS = stops != null ? stops.size() : 0;
+ if ((NF = mFinishingActivities.size()) > 0) {
+ finishes = new ArrayList<>(mFinishingActivities);
+ mFinishingActivities.clear();
+ }
- // If the caller is not coming from another activity, but has given us an
- // explicit task into which they would like us to launch the new activity,
- // then let's see about doing that.
- if (sourceRecord == null && inTask != null && inTask.stack != null) {
- final Intent baseIntent = inTask.getBaseIntent();
- final ActivityRecord root = inTask.getRootActivity();
- if (baseIntent == null) {
- ActivityOptions.abort(options);
- throw new IllegalArgumentException("Launching into task without base intent: "
- + inTask);
- }
+ if (mStartingUsers.size() > 0) {
+ startingUsers = new ArrayList<>(mStartingUsers);
+ mStartingUsers.clear();
+ }
- // If this task is empty, then we are adding the first activity -- it
- // determines the root, and must be launching as a NEW_TASK.
- if (launchSingleInstance || launchSingleTask) {
- if (!baseIntent.getComponent().equals(r.intent.getComponent())) {
- ActivityOptions.abort(options);
- throw new IllegalArgumentException("Trying to launch singleInstance/Task "
- + r + " into different task " + inTask);
- }
- if (root != null) {
- ActivityOptions.abort(options);
- throw new IllegalArgumentException("Caller with inTask " + inTask
- + " has root " + root + " but target is singleInstance/Task");
+ // Stop any activities that are scheduled to do so but have been
+ // waiting for the next one to start.
+ for (int i = 0; i < NS; i++) {
+ r = stops.get(i);
+ final ActivityStack stack = r.getStack();
+ if (stack != null) {
+ if (r.finishing) {
+ stack.finishCurrentActivityLocked(r, ActivityStack.FINISH_IMMEDIATELY, false);
+ } else {
+ stack.stopActivityLocked(r);
}
}
+ }
- // If task is empty, then adopt the interesting intent launch flags in to the
- // activity being started.
- if (root == null) {
- final int flagsOfInterest = Intent.FLAG_ACTIVITY_NEW_TASK
- | Intent.FLAG_ACTIVITY_MULTIPLE_TASK | Intent.FLAG_ACTIVITY_NEW_DOCUMENT
- | Intent.FLAG_ACTIVITY_RETAIN_IN_RECENTS;
- launchFlags = (launchFlags&~flagsOfInterest)
- | (baseIntent.getFlags()&flagsOfInterest);
- intent.setFlags(launchFlags);
- inTask.setIntent(r);
- addingToTask = true;
-
- // If the task is not empty and the caller is asking to start it as the root
- // of a new task, then we don't actually want to start this on the task. We
- // will bring the task to the front, and possibly give it a new intent.
- } else if ((launchFlags & Intent.FLAG_ACTIVITY_NEW_TASK) != 0) {
- addingToTask = false;
-
- } else {
- addingToTask = true;
+ // Finish any activities that are scheduled to do so but have been
+ // waiting for the next one to start.
+ for (int i = 0; i < NF; i++) {
+ r = finishes.get(i);
+ final ActivityStack stack = r.getStack();
+ if (stack != null) {
+ activityRemoved |= stack.destroyActivityLocked(r, true, "finish-idle");
}
-
- reuseTask = inTask;
- } else {
- inTask = null;
}
- if (inTask == null) {
- if (sourceRecord == null) {
- // This activity is not being started from another... in this
- // case we -always- start a new task.
- if ((launchFlags & Intent.FLAG_ACTIVITY_NEW_TASK) == 0 && inTask == null) {
- Slog.w(TAG, "startActivity called from non-Activity context; forcing " +
- "Intent.FLAG_ACTIVITY_NEW_TASK for: " + intent);
- launchFlags |= Intent.FLAG_ACTIVITY_NEW_TASK;
- }
- } else if (sourceRecord.launchMode == ActivityInfo.LAUNCH_SINGLE_INSTANCE) {
- // The original activity who is starting us is running as a single
- // instance... this new activity it is starting must go on its
- // own task.
- launchFlags |= Intent.FLAG_ACTIVITY_NEW_TASK;
- } else if (launchSingleInstance || launchSingleTask) {
- // The activity being started is a single instance... it always
- // gets launched into its own task.
- launchFlags |= Intent.FLAG_ACTIVITY_NEW_TASK;
- }
- }
-
- ActivityInfo newTaskInfo = null;
- Intent newTaskIntent = null;
- ActivityStack sourceStack;
- if (sourceRecord != null) {
- if (sourceRecord.finishing) {
- // If the source is finishing, we can't further count it as our source. This
- // is because the task it is associated with may now be empty and on its way out,
- // so we don't want to blindly throw it in to that task. Instead we will take
- // the NEW_TASK flow and try to find a task for it. But save the task information
- // so it can be used when creating the new task.
- if ((launchFlags & Intent.FLAG_ACTIVITY_NEW_TASK) == 0) {
- Slog.w(TAG, "startActivity called from finishing " + sourceRecord
- + "; forcing " + "Intent.FLAG_ACTIVITY_NEW_TASK for: " + intent);
- launchFlags |= Intent.FLAG_ACTIVITY_NEW_TASK;
- newTaskInfo = sourceRecord.info;
- newTaskIntent = sourceRecord.task.intent;
- }
- sourceRecord = null;
- sourceStack = null;
- } else {
- sourceStack = sourceRecord.task.stack;
- }
- } else {
- sourceStack = null;
- }
-
- boolean movedHome = false;
- ActivityStack targetStack;
-
- intent.setFlags(launchFlags);
- final boolean noAnimation = (launchFlags & Intent.FLAG_ACTIVITY_NO_ANIMATION) != 0;
-
- // We may want to try to place the new activity in to an existing task. We always
- // do this if the target activity is singleTask or singleInstance; we will also do
- // this if NEW_TASK has been requested, and there is not an additional qualifier telling
- // us to still place it in a new task: multi task, always doc mode, or being asked to
- // launch this as a new task behind the current one.
- if (((launchFlags & Intent.FLAG_ACTIVITY_NEW_TASK) != 0 &&
- (launchFlags & Intent.FLAG_ACTIVITY_MULTIPLE_TASK) == 0)
- || launchSingleInstance || launchSingleTask) {
- // If bring to front is requested, and no result is requested and we have not
- // been given an explicit task to launch in to, and
- // we can find a task that was started with this same
- // component, then instead of launching bring that one to the front.
- if (inTask == null && r.resultTo == null) {
- // See if there is a task to bring to the front. If this is
- // a SINGLE_INSTANCE activity, there can be one and only one
- // instance of it in the history, and it is always in its own
- // unique task, so we do a special search.
- ActivityRecord intentActivity = !launchSingleInstance ?
- findTaskLocked(r) : findActivityLocked(intent, r.info);
- if (intentActivity != null) {
- // When the flags NEW_TASK and CLEAR_TASK are set, then the task gets reused
- // but still needs to be a lock task mode violation since the task gets
- // cleared out and the device would otherwise leave the locked task.
- if (isLockTaskModeViolation(intentActivity.task,
- (launchFlags & (FLAG_ACTIVITY_NEW_TASK | FLAG_ACTIVITY_CLEAR_TASK))
- == (FLAG_ACTIVITY_NEW_TASK | FLAG_ACTIVITY_CLEAR_TASK))) {
- showLockTaskToast();
- Slog.e(TAG, "startActivityUnchecked: Attempt to violate Lock Task Mode");
- return ActivityManager.START_RETURN_LOCK_TASK_MODE_VIOLATION;
- }
- if (r.task == null) {
- r.task = intentActivity.task;
- }
- if (intentActivity.task.intent == null) {
- // This task was started because of movement of
- // the activity based on affinity... now that we
- // are actually launching it, we can assign the
- // base intent.
- intentActivity.task.setIntent(r);
- }
- targetStack = intentActivity.task.stack;
- targetStack.mLastPausedActivity = null;
- // If the target task is not in the front, then we need
- // to bring it to the front... except... well, with
- // SINGLE_TASK_LAUNCH it's not entirely clear. We'd like
- // to have the same behavior as if a new instance was
- // being started, which means not bringing it to the front
- // if the caller is not itself in the front.
- final ActivityStack focusStack = getFocusedStack();
- ActivityRecord curTop = (focusStack == null)
- ? null : focusStack.topRunningNonDelayedActivityLocked(notTop);
- boolean movedToFront = false;
- if (curTop != null && (curTop.task != intentActivity.task ||
- curTop.task != focusStack.topTask())) {
- r.intent.addFlags(Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT);
- if (sourceRecord == null || (sourceStack.topActivity() != null &&
- sourceStack.topActivity().task == sourceRecord.task)) {
- // We really do want to push this one into the user's face, right now.
- if (launchTaskBehind && sourceRecord != null) {
- intentActivity.setTaskToAffiliateWith(sourceRecord.task);
- }
- movedHome = true;
- targetStack.moveTaskToFrontLocked(intentActivity.task, noAnimation,
- options, r.appTimeTracker, "bringingFoundTaskToFront");
- movedToFront = true;
- if ((launchFlags &
- (FLAG_ACTIVITY_NEW_TASK | FLAG_ACTIVITY_TASK_ON_HOME))
- == (FLAG_ACTIVITY_NEW_TASK | FLAG_ACTIVITY_TASK_ON_HOME)) {
- // Caller wants to appear on home activity.
- intentActivity.task.setTaskToReturnTo(HOME_ACTIVITY_TYPE);
- }
- options = null;
- }
- }
- if (!movedToFront) {
- if (DEBUG_TASKS) Slog.d(TAG_TASKS, "Bring to front target: " + targetStack
- + " from " + intentActivity);
- targetStack.moveToFront("intentActivityFound");
- }
-
- // If the caller has requested that the target task be
- // reset, then do so.
- if ((launchFlags&Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED) != 0) {
- intentActivity = targetStack.resetTaskIfNeededLocked(intentActivity, r);
- }
- if ((startFlags & ActivityManager.START_FLAG_ONLY_IF_NEEDED) != 0) {
- // We don't need to start a new activity, and
- // the client said not to do anything if that
- // is the case, so this is it! And for paranoia, make
- // sure we have correctly resumed the top activity.
- if (doResume) {
- resumeTopActivitiesLocked(targetStack, null, options);
-
- // Make sure to notify Keyguard as well if we are not running an app
- // transition later.
- if (!movedToFront) {
- notifyActivityDrawnForKeyguard();
- }
- } else {
- ActivityOptions.abort(options);
- }
- return ActivityManager.START_RETURN_INTENT_TO_CALLER;
- }
- if ((launchFlags & (FLAG_ACTIVITY_NEW_TASK | FLAG_ACTIVITY_CLEAR_TASK))
- == (FLAG_ACTIVITY_NEW_TASK | FLAG_ACTIVITY_CLEAR_TASK)) {
- // The caller has requested to completely replace any
- // existing task with its new activity. Well that should
- // not be too hard...
- reuseTask = intentActivity.task;
- reuseTask.performClearTaskLocked();
- reuseTask.setIntent(r);
- } else if ((launchFlags & FLAG_ACTIVITY_CLEAR_TOP) != 0
- || launchSingleInstance || launchSingleTask) {
- // In this situation we want to remove all activities
- // from the task up to the one being started. In most
- // cases this means we are resetting the task to its
- // initial state.
- ActivityRecord top =
- intentActivity.task.performClearTaskLocked(r, launchFlags);
- if (top != null) {
- if (top.frontOfTask) {
- // Activity aliases may mean we use different
- // intents for the top activity, so make sure
- // the task now has the identity of the new
- // intent.
- top.task.setIntent(r);
- }
- ActivityStack.logStartActivity(EventLogTags.AM_NEW_INTENT,
- r, top.task);
- top.deliverNewIntentLocked(callingUid, r.intent, r.launchedFromPackage);
- } else {
- // A special case: we need to start the activity because it is not
- // currently running, and the caller has asked to clear the current
- // task to have this activity at the top.
- addingToTask = true;
- // Now pretend like this activity is being started by the top of its
- // task, so it is put in the right place.
- sourceRecord = intentActivity;
- TaskRecord task = sourceRecord.task;
- if (task != null && task.stack == null) {
- // Target stack got cleared when we all activities were removed
- // above. Go ahead and reset it.
- targetStack = computeStackFocus(sourceRecord, false /* newTask */);
- targetStack.addTask(
- task, !launchTaskBehind /* toTop */, false /* moving */);
- }
-
- }
- } else if (r.realActivity.equals(intentActivity.task.realActivity)) {
- // In this case the top activity on the task is the
- // same as the one being launched, so we take that
- // as a request to bring the task to the foreground.
- // If the top activity in the task is the root
- // activity, deliver this new intent to it if it
- // desires.
- if (((launchFlags&Intent.FLAG_ACTIVITY_SINGLE_TOP) != 0 || launchSingleTop)
- && intentActivity.realActivity.equals(r.realActivity)) {
- ActivityStack.logStartActivity(EventLogTags.AM_NEW_INTENT, r,
- intentActivity.task);
- if (intentActivity.frontOfTask) {
- intentActivity.task.setIntent(r);
- }
- intentActivity.deliverNewIntentLocked(callingUid, r.intent,
- r.launchedFromPackage);
- } else if (!r.intent.filterEquals(intentActivity.task.intent)) {
- // In this case we are launching the root activity
- // of the task, but with a different intent. We
- // should start a new instance on top.
- addingToTask = true;
- sourceRecord = intentActivity;
- }
- } else if ((launchFlags&Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED) == 0) {
- // In this case an activity is being launched in to an
- // existing task, without resetting that task. This
- // is typically the situation of launching an activity
- // from a notification or shortcut. We want to place
- // the new activity on top of the current task.
- addingToTask = true;
- sourceRecord = intentActivity;
- } else if (!intentActivity.task.rootWasReset) {
- // In this case we are launching in to an existing task
- // that has not yet been started from its front door.
- // The current task has been brought to the front.
- // Ideally, we'd probably like to place this new task
- // at the bottom of its stack, but that's a little hard
- // to do with the current organization of the code so
- // for now we'll just drop it.
- intentActivity.task.setIntent(r);
- }
- if (!addingToTask && reuseTask == null) {
- // We didn't do anything... but it was needed (a.k.a., client
- // don't use that intent!) And for paranoia, make
- // sure we have correctly resumed the top activity.
- if (doResume) {
- targetStack.resumeTopActivityLocked(null, options);
- if (!movedToFront) {
- // Make sure to notify Keyguard as well if we are not running an app
- // transition later.
- notifyActivityDrawnForKeyguard();
- }
- } else {
- ActivityOptions.abort(options);
- }
- return ActivityManager.START_TASK_TO_FRONT;
- }
- }
- }
- }
-
- //String uri = r.intent.toURI();
- //Intent intent2 = new Intent(uri);
- //Slog.i(TAG, "Given intent: " + r.intent);
- //Slog.i(TAG, "URI is: " + uri);
- //Slog.i(TAG, "To intent: " + intent2);
-
- if (r.packageName != null) {
- // If the activity being launched is the same as the one currently
- // at the top, then we need to check if it should only be launched
- // once.
- ActivityStack topStack = mFocusedStack;
- ActivityRecord top = topStack.topRunningNonDelayedActivityLocked(notTop);
- if (top != null && r.resultTo == null) {
- if (top.realActivity.equals(r.realActivity) && top.userId == r.userId) {
- if (top.app != null && top.app.thread != null) {
- if ((launchFlags & Intent.FLAG_ACTIVITY_SINGLE_TOP) != 0
- || launchSingleTop || launchSingleTask) {
- ActivityStack.logStartActivity(EventLogTags.AM_NEW_INTENT, top,
- top.task);
- // For paranoia, make sure we have correctly
- // resumed the top activity.
- topStack.mLastPausedActivity = null;
- if (doResume) {
- resumeTopActivitiesLocked();
- }
- ActivityOptions.abort(options);
- if ((startFlags&ActivityManager.START_FLAG_ONLY_IF_NEEDED) != 0) {
- // We don't need to start a new activity, and
- // the client said not to do anything if that
- // is the case, so this is it!
- return ActivityManager.START_RETURN_INTENT_TO_CALLER;
- }
- top.deliverNewIntentLocked(callingUid, r.intent, r.launchedFromPackage);
- return ActivityManager.START_DELIVERED_TO_TOP;
- }
- }
- }
- }
-
- } else {
- if (r.resultTo != null && r.resultTo.task.stack != null) {
- r.resultTo.task.stack.sendActivityResultLocked(-1, r.resultTo, r.resultWho,
- r.requestCode, Activity.RESULT_CANCELED, null);
- }
- ActivityOptions.abort(options);
- return ActivityManager.START_CLASS_NOT_FOUND;
- }
-
- boolean newTask = false;
- boolean keepCurTransition = false;
-
- TaskRecord taskToAffiliate = launchTaskBehind && sourceRecord != null ?
- sourceRecord.task : null;
-
- // Should this be considered a new task?
- if (r.resultTo == null && inTask == null && !addingToTask
- && (launchFlags & Intent.FLAG_ACTIVITY_NEW_TASK) != 0) {
- newTask = true;
- targetStack = computeStackFocus(r, newTask);
- targetStack.moveToFront("startingNewTask");
-
- if (reuseTask == null) {
- r.setTask(targetStack.createTaskRecord(getNextTaskId(),
- newTaskInfo != null ? newTaskInfo : r.info,
- newTaskIntent != null ? newTaskIntent : intent,
- voiceSession, voiceInteractor, !launchTaskBehind /* toTop */),
- taskToAffiliate);
- if (DEBUG_TASKS) Slog.v(TAG_TASKS,
- "Starting new activity " + r + " in new task " + r.task);
- } else {
- r.setTask(reuseTask, taskToAffiliate);
- }
- if (isLockTaskModeViolation(r.task)) {
- Slog.e(TAG, "Attempted Lock Task Mode violation r=" + r);
- return ActivityManager.START_RETURN_LOCK_TASK_MODE_VIOLATION;
- }
- if (!movedHome) {
- if ((launchFlags &
- (FLAG_ACTIVITY_NEW_TASK | FLAG_ACTIVITY_TASK_ON_HOME))
- == (FLAG_ACTIVITY_NEW_TASK | FLAG_ACTIVITY_TASK_ON_HOME)) {
- // Caller wants to appear on home activity, so before starting
- // their own activity we will bring home to the front.
- r.task.setTaskToReturnTo(HOME_ACTIVITY_TYPE);
- }
- }
- } else if (sourceRecord != null) {
- final TaskRecord sourceTask = sourceRecord.task;
- if (isLockTaskModeViolation(sourceTask)) {
- Slog.e(TAG, "Attempted Lock Task Mode violation r=" + r);
- return ActivityManager.START_RETURN_LOCK_TASK_MODE_VIOLATION;
- }
- targetStack = sourceTask.stack;
- targetStack.moveToFront("sourceStackToFront");
- final TaskRecord topTask = targetStack.topTask();
- if (topTask != sourceTask) {
- targetStack.moveTaskToFrontLocked(sourceTask, noAnimation, options,
- r.appTimeTracker, "sourceTaskToFront");
- }
- if (!addingToTask && (launchFlags&Intent.FLAG_ACTIVITY_CLEAR_TOP) != 0) {
- // In this case, we are adding the activity to an existing
- // task, but the caller has asked to clear that task if the
- // activity is already running.
- ActivityRecord top = sourceTask.performClearTaskLocked(r, launchFlags);
- keepCurTransition = true;
- if (top != null) {
- ActivityStack.logStartActivity(EventLogTags.AM_NEW_INTENT, r, top.task);
- top.deliverNewIntentLocked(callingUid, r.intent, r.launchedFromPackage);
- // For paranoia, make sure we have correctly
- // resumed the top activity.
- targetStack.mLastPausedActivity = null;
- if (doResume) {
- targetStack.resumeTopActivityLocked(null);
- }
- ActivityOptions.abort(options);
- return ActivityManager.START_DELIVERED_TO_TOP;
- }
- } else if (!addingToTask &&
- (launchFlags&Intent.FLAG_ACTIVITY_REORDER_TO_FRONT) != 0) {
- // In this case, we are launching an activity in our own task
- // that may already be running somewhere in the history, and
- // we want to shuffle it to the front of the stack if so.
- final ActivityRecord top = sourceTask.findActivityInHistoryLocked(r);
- if (top != null) {
- final TaskRecord task = top.task;
- task.moveActivityToFrontLocked(top);
- ActivityStack.logStartActivity(EventLogTags.AM_NEW_INTENT, r, task);
- top.updateOptionsLocked(options);
- top.deliverNewIntentLocked(callingUid, r.intent, r.launchedFromPackage);
- targetStack.mLastPausedActivity = null;
- if (doResume) {
- targetStack.resumeTopActivityLocked(null);
- }
- return ActivityManager.START_DELIVERED_TO_TOP;
- }
- }
- // An existing activity is starting this new activity, so we want
- // to keep the new one in the same task as the one that is starting
- // it.
- r.setTask(sourceTask, null);
- if (DEBUG_TASKS) Slog.v(TAG_TASKS, "Starting new activity " + r
- + " in existing task " + r.task + " from source " + sourceRecord);
-
- } else if (inTask != null) {
- // The caller is asking that the new activity be started in an explicit
- // task it has provided to us.
- if (isLockTaskModeViolation(inTask)) {
- Slog.e(TAG, "Attempted Lock Task Mode violation r=" + r);
- return ActivityManager.START_RETURN_LOCK_TASK_MODE_VIOLATION;
- }
- targetStack = inTask.stack;
- targetStack.moveTaskToFrontLocked(inTask, noAnimation, options, r.appTimeTracker,
- "inTaskToFront");
-
- // Check whether we should actually launch the new activity in to the task,
- // or just reuse the current activity on top.
- ActivityRecord top = inTask.getTopActivity();
- if (top != null && top.realActivity.equals(r.realActivity) && top.userId == r.userId) {
- if ((launchFlags & Intent.FLAG_ACTIVITY_SINGLE_TOP) != 0
- || launchSingleTop || launchSingleTask) {
- ActivityStack.logStartActivity(EventLogTags.AM_NEW_INTENT, top, top.task);
- if ((startFlags&ActivityManager.START_FLAG_ONLY_IF_NEEDED) != 0) {
- // We don't need to start a new activity, and
- // the client said not to do anything if that
- // is the case, so this is it!
- return ActivityManager.START_RETURN_INTENT_TO_CALLER;
- }
- top.deliverNewIntentLocked(callingUid, r.intent, r.launchedFromPackage);
- return ActivityManager.START_DELIVERED_TO_TOP;
- }
- }
-
- if (!addingToTask) {
- // We don't actually want to have this activity added to the task, so just
- // stop here but still tell the caller that we consumed the intent.
- ActivityOptions.abort(options);
- return ActivityManager.START_TASK_TO_FRONT;
- }
-
- r.setTask(inTask, null);
- if (DEBUG_TASKS) Slog.v(TAG_TASKS, "Starting new activity " + r
- + " in explicit task " + r.task);
-
- } else {
- // This not being started from an existing activity, and not part
- // of a new task... just put it in the top task, though these days
- // this case should never happen.
- targetStack = computeStackFocus(r, newTask);
- targetStack.moveToFront("addingToTopTask");
- ActivityRecord prev = targetStack.topActivity();
- r.setTask(prev != null ? prev.task : targetStack.createTaskRecord(getNextTaskId(),
- r.info, intent, null, null, true), null);
- mWindowManager.moveTaskToTop(r.task.taskId);
- if (DEBUG_TASKS) Slog.v(TAG_TASKS, "Starting new activity " + r
- + " in new guessed " + r.task);
- }
-
- mService.grantUriPermissionFromIntentLocked(callingUid, r.packageName,
- intent, r.getUriPermissionsLocked(), r.userId);
-
- if (sourceRecord != null && sourceRecord.isRecentsActivity()) {
- r.task.setTaskToReturnTo(RECENTS_ACTIVITY_TYPE);
- }
- if (newTask) {
- EventLog.writeEvent(EventLogTags.AM_CREATE_TASK, r.userId, r.task.taskId);
- }
- ActivityStack.logStartActivity(EventLogTags.AM_CREATE_ACTIVITY, r, r.task);
- targetStack.mLastPausedActivity = null;
- targetStack.startActivityLocked(r, newTask, doResume, keepCurTransition, options);
- if (!launchTaskBehind) {
- // Don't set focus on an activity that's going to the back.
- mService.setFocusedActivityLocked(r, "startedActivity");
- }
- return ActivityManager.START_SUCCESS;
- }
-
- final void doPendingActivityLaunchesLocked(boolean doResume) {
- while (!mPendingActivityLaunches.isEmpty()) {
- PendingActivityLaunch pal = mPendingActivityLaunches.remove(0);
- startActivityUncheckedLocked(pal.r, pal.sourceRecord, null, null, pal.startFlags,
- doResume && mPendingActivityLaunches.isEmpty(), null, null);
- }
- }
-
- void removePendingActivityLaunchesLocked(ActivityStack stack) {
- for (int palNdx = mPendingActivityLaunches.size() - 1; palNdx >= 0; --palNdx) {
- PendingActivityLaunch pal = mPendingActivityLaunches.get(palNdx);
- if (pal.stack == stack) {
- mPendingActivityLaunches.remove(palNdx);
- }
- }
- }
-
- void setLaunchSource(int uid) {
- mLaunchingActivity.setWorkSource(new WorkSource(uid));
- }
-
- void acquireLaunchWakelock() {
- if (VALIDATE_WAKE_LOCK_CALLER && Binder.getCallingUid() != Process.myUid()) {
- throw new IllegalStateException("Calling must be system uid");
- }
- mLaunchingActivity.acquire();
- if (!mHandler.hasMessages(LAUNCH_TIMEOUT_MSG)) {
- // To be safe, don't allow the wake lock to be held for too long.
- mHandler.sendEmptyMessageDelayed(LAUNCH_TIMEOUT_MSG, LAUNCH_TIMEOUT);
- }
- }
-
- /**
- * Called when the frontmost task is idle.
- * @return the state of mService.mBooting before this was called.
- */
- private boolean checkFinishBootingLocked() {
- final boolean booting = mService.mBooting;
- boolean enableScreen = false;
- mService.mBooting = false;
- if (!mService.mBooted) {
- mService.mBooted = true;
- enableScreen = true;
- }
- if (booting || enableScreen) {
- mService.postFinishBooting(booting, enableScreen);
- }
- return booting;
- }
-
- // Checked.
- final ActivityRecord activityIdleInternalLocked(final IBinder token, boolean fromTimeout,
- Configuration config) {
- if (DEBUG_ALL) Slog.v(TAG, "Activity idle: " + token);
-
- ArrayList<ActivityRecord> stops = null;
- ArrayList<ActivityRecord> finishes = null;
- ArrayList<UserState> startingUsers = null;
- int NS = 0;
- int NF = 0;
- boolean booting = false;
- boolean activityRemoved = false;
-
- ActivityRecord r = ActivityRecord.forTokenLocked(token);
- if (r != null) {
- if (DEBUG_IDLE) Slog.d(TAG_IDLE, "activityIdleInternalLocked: Callers="
- + Debug.getCallers(4));
- mHandler.removeMessages(IDLE_TIMEOUT_MSG, r);
- r.finishLaunchTickingLocked();
- if (fromTimeout) {
- reportActivityLaunchedLocked(fromTimeout, r, -1, -1);
- }
-
- // This is a hack to semi-deal with a race condition
- // in the client where it can be constructed with a
- // newer configuration from when we asked it to launch.
- // We'll update with whatever configuration it now says
- // it used to launch.
- if (config != null) {
- r.configuration = config;
- }
-
- // We are now idle. If someone is waiting for a thumbnail from
- // us, we can now deliver.
- r.idle = true;
-
- //Slog.i(TAG, "IDLE: mBooted=" + mBooted + ", fromTimeout=" + fromTimeout);
- if (isFrontStack(r.task.stack) || fromTimeout) {
- booting = checkFinishBootingLocked();
- }
- }
-
- if (allResumedActivitiesIdle()) {
- if (r != null) {
- mService.scheduleAppGcsLocked();
- }
-
- if (mLaunchingActivity.isHeld()) {
- mHandler.removeMessages(LAUNCH_TIMEOUT_MSG);
- if (VALIDATE_WAKE_LOCK_CALLER &&
- Binder.getCallingUid() != Process.myUid()) {
- throw new IllegalStateException("Calling must be system uid");
- }
- mLaunchingActivity.release();
- }
- ensureActivitiesVisibleLocked(null, 0);
- }
-
- // Atomically retrieve all of the other things to do.
- stops = processStoppingActivitiesLocked(true);
- NS = stops != null ? stops.size() : 0;
- if ((NF = mFinishingActivities.size()) > 0) {
- finishes = new ArrayList<>(mFinishingActivities);
- mFinishingActivities.clear();
- }
-
- if (mStartingUsers.size() > 0) {
- startingUsers = new ArrayList<>(mStartingUsers);
- mStartingUsers.clear();
- }
-
- // Stop any activities that are scheduled to do so but have been
- // waiting for the next one to start.
- for (int i = 0; i < NS; i++) {
- r = stops.get(i);
- final ActivityStack stack = r.task.stack;
- if (stack != null) {
- if (r.finishing) {
- stack.finishCurrentActivityLocked(r, ActivityStack.FINISH_IMMEDIATELY, false);
- } else {
- stack.stopActivityLocked(r);
- }
- }
- }
-
- // Finish any activities that are scheduled to do so but have been
- // waiting for the next one to start.
- for (int i = 0; i < NF; i++) {
- r = finishes.get(i);
- final ActivityStack stack = r.task.stack;
- if (stack != null) {
- activityRemoved |= stack.destroyActivityLocked(r, true, "finish-idle");
- }
- }
-
- if (!booting) {
- // Complete user switch
- if (startingUsers != null) {
- for (int i = 0; i < startingUsers.size(); i++) {
- mService.finishUserSwitch(startingUsers.get(i));
- }
- }
- // Complete starting up of background users
- if (mStartingBackgroundUsers.size() > 0) {
- startingUsers = new ArrayList<UserState>(mStartingBackgroundUsers);
- mStartingBackgroundUsers.clear();
- for (int i = 0; i < startingUsers.size(); i++) {
- mService.finishUserBoot(startingUsers.get(i));
+ if (!booting) {
+ // Complete user switch
+ if (startingUsers != null) {
+ for (int i = 0; i < startingUsers.size(); i++) {
+ mService.mUserController.finishUserSwitch(startingUsers.get(i));
}
}
}
//mWindowManager.dump();
if (activityRemoved) {
- resumeTopActivitiesLocked();
+ resumeFocusedStackTopActivityLocked();
}
return r;
}
/**
+ * Update the last used stack id for non-current user (current user's last
+ * used stack is the focused stack)
+ */
+ void updateUserStackLocked(int userId, ActivityStack stack) {
+ if (userId != mCurrentUser) {
+ mUserStackInFront.put(userId, stack != null ? stack.getStackId() : HOME_STACK_ID);
+ }
+ }
+
+ /**
* @return true if some activity was finished (or would have finished if doit were true).
*/
boolean finishDisabledPackageActivitiesLocked(String packageName, Set<String> filterByClasses,
boolean didSomething = false;
for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) {
final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks;
- final int numStacks = stacks.size();
- for (int stackNdx = 0; stackNdx < numStacks; ++stackNdx) {
+ for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) {
final ActivityStack stack = stacks.get(stackNdx);
if (stack.finishDisabledPackageActivitiesLocked(
packageName, filterByClasses, doit, evenPersistent, userId)) {
final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks;
for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) {
final ActivityStack stack = stacks.get(stackNdx);
- if (isFrontStack(stack)) {
+ if (isFocusedStack(stack)) {
if (stack.mResumedActivity != null) {
fgApp = stack.mResumedActivity.app;
} else if (stack.mPausingActivity != null) {
}
}
- boolean resumeTopActivitiesLocked() {
- return resumeTopActivitiesLocked(null, null, null);
+ boolean resumeFocusedStackTopActivityLocked() {
+ return resumeFocusedStackTopActivityLocked(null, null, null);
}
- boolean resumeTopActivitiesLocked(ActivityStack targetStack, ActivityRecord target,
- Bundle targetOptions) {
- if (targetStack == null) {
- targetStack = mFocusedStack;
+ boolean resumeFocusedStackTopActivityLocked(
+ ActivityStack targetStack, ActivityRecord target, ActivityOptions targetOptions) {
+
+ if (!readyToResume()) {
+ return false;
+ }
+
+ if (targetStack != null && isFocusedStack(targetStack)) {
+ return targetStack.resumeTopActivityUncheckedLocked(target, targetOptions);
}
- // Do targetStack first.
- boolean result = false;
- if (isFrontStack(targetStack)) {
- result = targetStack.resumeTopActivityLocked(target, targetOptions);
+
+ final ActivityRecord r = mFocusedStack.topRunningActivityLocked();
+ if (r == null || r.state != RESUMED) {
+ mFocusedStack.resumeTopActivityUncheckedLocked(null, null);
+ } else if (r.state == RESUMED) {
+ // Kick off any lingering app transitions form the MoveTaskToFront operation.
+ mFocusedStack.executeAppTransition(targetOptions);
}
+ return false;
+ }
+
+ void updateActivityApplicationInfoLocked(ApplicationInfo aInfo) {
for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) {
final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks;
for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) {
- final ActivityStack stack = stacks.get(stackNdx);
- if (stack == targetStack) {
- // Already started above.
- continue;
- }
- if (isFrontStack(stack)) {
- stack.resumeTopActivityLocked(null);
- }
+ stacks.get(stackNdx).updateActivityApplicationInfoLocked(aInfo);
}
}
- return result;
}
- void finishTopRunningActivityLocked(ProcessRecord app, String reason) {
+ TaskRecord finishTopRunningActivityLocked(ProcessRecord app, String reason) {
+ TaskRecord finishedTask = null;
+ ActivityStack focusedStack = getFocusedStack();
for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) {
final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks;
final int numStacks = stacks.size();
for (int stackNdx = 0; stackNdx < numStacks; ++stackNdx) {
final ActivityStack stack = stacks.get(stackNdx);
- stack.finishTopRunningActivityLocked(app, reason);
+ TaskRecord t = stack.finishTopRunningActivityLocked(app, reason);
+ if (stack == focusedStack || finishedTask == null) {
+ finishedTask = t;
+ }
}
}
+ return finishedTask;
}
void finishVoiceTask(IVoiceInteractionSession session) {
}
}
- void findTaskToMoveToFrontLocked(TaskRecord task, int flags, Bundle options, String reason) {
+ void findTaskToMoveToFrontLocked(TaskRecord task, int flags, ActivityOptions options,
+ String reason, boolean forceNonResizeable) {
if ((flags & ActivityManager.MOVE_TASK_NO_USER_ACTION) == 0) {
mUserLeaving = true;
}
// we'll just indicate that this task returns to the home task.
task.setTaskToReturnTo(HOME_ACTIVITY_TYPE);
}
- if (task.stack == null) {
+ ActivityStack currentStack = task.getStack();
+ if (currentStack == null) {
Slog.e(TAG, "findTaskToMoveToFrontLocked: can't move task="
+ task + " to front. Stack is null");
return;
}
- task.stack.moveTaskToFrontLocked(task, false /* noAnimation */, options,
- task.getTopActivity() == null ? null : task.getTopActivity().appTimeTracker,
- reason);
+
+ if (task.isResizeable() && options != null) {
+ int stackId = options.getLaunchStackId();
+ if (canUseActivityOptionsLaunchBounds(options, stackId)) {
+ final Rect bounds = TaskRecord.validateBounds(options.getLaunchBounds());
+ task.updateOverrideConfiguration(bounds);
+ if (stackId == INVALID_STACK_ID) {
+ stackId = task.getLaunchStackId();
+ }
+ if (stackId != currentStack.mStackId) {
+ task.reparent(stackId, ON_TOP, REPARENT_KEEP_STACK_AT_FRONT, !ANIMATE,
+ DEFER_RESUME, "findTaskToMoveToFrontLocked");
+ stackId = currentStack.mStackId;
+ // moveTaskToStackUncheckedLocked() should already placed the task on top,
+ // still need moveTaskToFrontLocked() below for any transition settings.
+ }
+ if (StackId.resizeStackWithLaunchBounds(stackId)) {
+ resizeStackLocked(stackId, bounds,
+ null /* tempTaskBounds */, null /* tempTaskInsetBounds */,
+ !PRESERVE_WINDOWS, true /* allowResizeInDockedMode */, !DEFER_RESUME);
+ } else {
+ // WM resizeTask must be done after the task is moved to the correct stack,
+ // because Task's setBounds() also updates dim layer's bounds, but that has
+ // dependency on the stack.
+ task.resizeWindowContainer();
+ }
+ }
+ }
+
+ final ActivityRecord r = task.getTopActivity();
+ currentStack.moveTaskToFrontLocked(task, false /* noAnimation */, options,
+ r == null ? null : r.appTimeTracker, reason);
+
if (DEBUG_STACK) Slog.d(TAG_STACK,
- "findTaskToMoveToFront: moved to front of stack=" + task.stack);
+ "findTaskToMoveToFront: moved to front of stack=" + currentStack);
+
+ handleNonResizableTaskIfNeeded(task, INVALID_STACK_ID, DEFAULT_DISPLAY,
+ currentStack.mStackId, forceNonResizeable);
+ }
+
+ boolean canUseActivityOptionsLaunchBounds(ActivityOptions options, int launchStackId) {
+ // We use the launch bounds in the activity options is the device supports freeform
+ // window management or is launching into the pinned stack.
+ if (options.getLaunchBounds() == null) {
+ return false;
+ }
+ return (mService.mSupportsPictureInPicture && launchStackId == PINNED_STACK_ID)
+ || mService.mSupportsFreeformWindowManagement;
+ }
+
+ protected <T extends ActivityStack> T getStack(int stackId) {
+ return getStack(stackId, !CREATE_IF_NEEDED, !ON_TOP);
+ }
+
+ protected <T extends ActivityStack> T getStack(int stackId, boolean createStaticStackIfNeeded,
+ boolean createOnTop) {
+ final ActivityStack stack = mStacks.get(stackId);
+ if (stack != null) {
+ return (T) stack;
+ }
+ if (!createStaticStackIfNeeded || !StackId.isStaticStack(stackId)) {
+ return null;
+ }
+ if (stackId == DOCKED_STACK_ID) {
+ // Make sure recents stack exist when creating a dock stack as it normally need to be on
+ // the other side of the docked stack and we make visibility decisions based on that.
+ getStack(RECENTS_STACK_ID, CREATE_IF_NEEDED, createOnTop);
+ }
+ return (T) createStackOnDisplay(stackId, DEFAULT_DISPLAY, createOnTop);
}
- ActivityStack getStack(int stackId) {
- ActivityContainer activityContainer = mActivityContainers.get(stackId);
- if (activityContainer != null) {
- return activityContainer.mStack;
+ /**
+ * Get a topmost stack on the display, that is a valid launch stack for specified activity.
+ * If there is no such stack, new dynamic stack can be created.
+ * @param displayId Target display.
+ * @param r Activity that should be launched there.
+ * @return Existing stack if there is a valid one, new dynamic stack if it is valid or null.
+ */
+ ActivityStack getValidLaunchStackOnDisplay(int displayId, @NonNull ActivityRecord r) {
+ final ActivityDisplay activityDisplay = getActivityDisplayOrCreateLocked(displayId);
+ if (activityDisplay == null) {
+ throw new IllegalArgumentException(
+ "Display with displayId=" + displayId + " not found.");
+ }
+
+ // Return the topmost valid stack on the display.
+ for (int i = activityDisplay.mStacks.size() - 1; i >= 0; --i) {
+ final ActivityStack stack = activityDisplay.mStacks.get(i);
+ if (mService.mActivityStarter.isValidLaunchStackId(stack.mStackId, displayId, r)) {
+ return stack;
+ }
+ }
+
+ // If there is no valid stack on the external display - check if new dynamic stack will do.
+ if (displayId != Display.DEFAULT_DISPLAY) {
+ final int newDynamicStackId = getNextStackId();
+ if (mService.mActivityStarter.isValidLaunchStackId(newDynamicStackId, displayId, r)) {
+ return createStackOnDisplay(newDynamicStackId, displayId, true /*onTop*/);
+ }
}
+
+ Slog.w(TAG, "getValidLaunchStackOnDisplay: can't launch on displayId " + displayId);
return null;
}
ArrayList<ActivityStack> getStacks() {
- ArrayList<ActivityStack> allStacks = new ArrayList<ActivityStack>();
+ ArrayList<ActivityStack> allStacks = new ArrayList<>();
for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) {
allStacks.addAll(mActivityDisplays.valueAt(displayNdx).mStacks);
}
return allStacks;
}
- IBinder getHomeActivityToken() {
- ActivityRecord homeActivity = getHomeActivity();
- if (homeActivity != null) {
- return homeActivity.appToken;
+ ArrayList<ActivityStack> getStacksOnDefaultDisplay() {
+ return mActivityDisplays.valueAt(DEFAULT_DISPLAY).mStacks;
+ }
+
+ /**
+ * Get next focusable stack in the system. This will search across displays and stacks
+ * in last-focused order for a focusable and visible stack, different from the target stack.
+ *
+ * @param currentFocus The stack that previously had focus and thus needs to be ignored when
+ * searching for next candidate.
+ * @return Next focusable {@link ActivityStack}, null if not found.
+ */
+ ActivityStack getNextFocusableStackLocked(ActivityStack currentFocus) {
+ mWindowManager.getDisplaysInFocusOrder(mTmpOrderedDisplayIds);
+
+ for (int i = mTmpOrderedDisplayIds.size() - 1; i >= 0; --i) {
+ final int displayId = mTmpOrderedDisplayIds.get(i);
+ // If a display is registered in WM, it must also be available in AM.
+ @SuppressWarnings("ConstantConditions")
+ final List<ActivityStack> stacks = getActivityDisplayOrCreateLocked(displayId).mStacks;
+ for (int j = stacks.size() - 1; j >= 0; --j) {
+ final ActivityStack stack = stacks.get(j);
+ if (stack != currentFocus && stack.isFocusable()
+ && stack.shouldBeVisible(null) != STACK_INVISIBLE) {
+ return stack;
+ }
+ }
+ }
+
+ return null;
+ }
+
+ /**
+ * Get next valid stack for launching provided activity in the system. This will search across
+ * displays and stacks in last-focused order for a focusable and visible stack, except those
+ * that are on a currently focused display.
+ *
+ * @param r The activity that is being launched.
+ * @param currentFocus The display that previously had focus and thus needs to be ignored when
+ * searching for the next candidate.
+ * @return Next valid {@link ActivityStack}, null if not found.
+ */
+ ActivityStack getNextValidLaunchStackLocked(@NonNull ActivityRecord r, int currentFocus) {
+ mWindowManager.getDisplaysInFocusOrder(mTmpOrderedDisplayIds);
+ for (int i = mTmpOrderedDisplayIds.size() - 1; i >= 0; --i) {
+ final int displayId = mTmpOrderedDisplayIds.get(i);
+ if (displayId == currentFocus) {
+ continue;
+ }
+ final ActivityStack stack = getValidLaunchStackOnDisplay(displayId, r);
+ if (stack != null) {
+ return stack;
+ }
}
return null;
}
return null;
}
- ActivityContainer createVirtualActivityContainer(ActivityRecord parentActivity,
- IActivityContainerCallback callback) {
- ActivityContainer activityContainer =
- new VirtualActivityContainer(parentActivity, callback);
- mActivityContainers.put(activityContainer.mStackId, activityContainer);
- if (DEBUG_CONTAINERS) Slog.d(TAG_CONTAINERS,
- "createActivityContainer: " + activityContainer);
- parentActivity.mChildContainers.add(activityContainer);
- return activityContainer;
+ /**
+ * Returns if a stack should be treated as if it's docked. Returns true if the stack is
+ * the docked stack itself, or if it's side-by-side to the docked stack.
+ */
+ boolean isStackDockedInEffect(int stackId) {
+ return stackId == DOCKED_STACK_ID ||
+ (StackId.isResizeableByDockedStack(stackId) && getStack(DOCKED_STACK_ID) != null);
}
- void removeChildActivityContainers(ActivityRecord parentActivity) {
- final ArrayList<ActivityContainer> childStacks = parentActivity.mChildContainers;
- for (int containerNdx = childStacks.size() - 1; containerNdx >= 0; --containerNdx) {
- ActivityContainer container = childStacks.remove(containerNdx);
- if (DEBUG_CONTAINERS) Slog.d(TAG_CONTAINERS, "removeChildActivityContainers: removing "
- + container);
- container.release();
+ void resizeStackLocked(int stackId, Rect bounds, Rect tempTaskBounds, Rect tempTaskInsetBounds,
+ boolean preserveWindows, boolean allowResizeInDockedMode, boolean deferResume) {
+ if (stackId == DOCKED_STACK_ID) {
+ resizeDockedStackLocked(bounds, tempTaskBounds, tempTaskInsetBounds, null, null,
+ preserveWindows, deferResume);
+ return;
+ }
+ final ActivityStack stack = getStack(stackId);
+ if (stack == null) {
+ Slog.w(TAG, "resizeStack: stackId " + stackId + " not found.");
+ return;
+ }
+
+ if (!allowResizeInDockedMode && !StackId.tasksAreFloating(stackId) &&
+ getStack(DOCKED_STACK_ID) != null) {
+ // If the docked stack exists, don't resize non-floating stacks independently of the
+ // size computed from the docked stack size (otherwise they will be out of sync)
+ return;
+ }
+
+ Trace.traceBegin(TRACE_TAG_ACTIVITY_MANAGER, "am.resizeStack_" + stackId);
+ mWindowManager.deferSurfaceLayout();
+ try {
+ stack.resize(bounds, tempTaskBounds, tempTaskInsetBounds);
+ if (!deferResume) {
+ stack.ensureVisibleActivitiesConfigurationLocked(
+ stack.topRunningActivityLocked(), preserveWindows);
+ }
+ } finally {
+ mWindowManager.continueSurfaceLayout();
+ Trace.traceEnd(TRACE_TAG_ACTIVITY_MANAGER);
}
}
- void deleteActivityContainer(IActivityContainer container) {
- ActivityContainer activityContainer = (ActivityContainer)container;
- if (activityContainer != null) {
- if (DEBUG_CONTAINERS) Slog.d(TAG_CONTAINERS,
- "deleteActivityContainer: callers=" + Debug.getCallers(4));
- final int stackId = activityContainer.mStackId;
- mActivityContainers.remove(stackId);
- mWindowManager.removeStack(stackId);
+ void deferUpdateBounds(int stackId) {
+ final ActivityStack stack = getStack(stackId);
+ if (stack != null) {
+ stack.deferUpdateBounds();
}
}
- void resizeStackLocked(int stackId, Rect bounds) {
+ void continueUpdateBounds(int stackId) {
final ActivityStack stack = getStack(stackId);
- if (stack == null) {
- Slog.w(TAG, "resizeStack: stackId " + stackId + " not found.");
- return;
+ if (stack != null) {
+ stack.continueUpdateBounds();
}
+ }
- final ActivityRecord r = stack.topRunningActivityLocked(null);
- if (r != null && !r.task.mResizeable) {
- Slog.w(TAG, "resizeStack: top task " + r.task + " not resizeable.");
+ void notifyAppTransitionDone() {
+ continueUpdateBounds(RECENTS_STACK_ID);
+ for (int i = mResizingTasksDuringAnimation.size() - 1; i >= 0; i--) {
+ final int taskId = mResizingTasksDuringAnimation.valueAt(i);
+ final TaskRecord task =
+ anyTaskForIdLocked(taskId, MATCH_TASK_IN_STACKS_ONLY, INVALID_STACK_ID);
+ if (task != null) {
+ task.setTaskDockedResizing(false);
+ }
+ }
+ mResizingTasksDuringAnimation.clear();
+ }
+
+ private void moveTasksToFullscreenStackInSurfaceTransaction(int fromStackId,
+ boolean onTop) {
+
+ final ActivityStack stack = getStack(fromStackId);
+ if (stack == null) {
return;
}
- final Configuration overrideConfig = mWindowManager.resizeStack(stackId, bounds);
- if (stack.updateOverrideConfiguration(overrideConfig)) {
- if (r != null) {
- final boolean updated = stack.ensureActivityConfigurationLocked(r, 0);
- // And we need to make sure at this point that all other activities
- // are made visible with the correct configuration.
- ensureActivitiesVisibleLocked(r, 0);
- if (!updated) {
- resumeTopActivitiesLocked(stack, null, null);
+ mWindowManager.deferSurfaceLayout();
+ try {
+ if (fromStackId == DOCKED_STACK_ID) {
+ // We are moving all tasks from the docked stack to the fullscreen stack,
+ // which is dismissing the docked stack, so resize all other stacks to
+ // fullscreen here already so we don't end up with resize trashing.
+ for (int i = FIRST_STATIC_STACK_ID; i <= LAST_STATIC_STACK_ID; i++) {
+ if (StackId.isResizeableByDockedStack(i)) {
+ ActivityStack otherStack = getStack(i);
+ if (otherStack != null) {
+ resizeStackLocked(i, null, null, null, PRESERVE_WINDOWS,
+ true /* allowResizeInDockedMode */, DEFER_RESUME);
+ }
+ }
+ }
+
+ // Also disable docked stack resizing since we have manually adjusted the
+ // size of other stacks above and we don't want to trigger a docked stack
+ // resize when we remove task from it below and it is detached from the
+ // display because it no longer contains any tasks.
+ mAllowDockedStackResize = false;
+ } else if (fromStackId == PINNED_STACK_ID) {
+ if (onTop) {
+ // Log if we are expanding the PiP to fullscreen
+ MetricsLogger.action(mService.mContext,
+ ACTION_PICTURE_IN_PICTURE_EXPANDED_TO_FULLSCREEN);
+ }
+ }
+ ActivityStack fullscreenStack = getStack(FULLSCREEN_WORKSPACE_STACK_ID);
+ final boolean isFullscreenStackVisible = fullscreenStack != null &&
+ fullscreenStack.shouldBeVisible(null) == STACK_VISIBLE;
+ // If we are moving from the pinned stack, then the animation takes care of updating
+ // the picture-in-picture mode.
+ final boolean schedulePictureInPictureModeChange = (fromStackId == PINNED_STACK_ID);
+ final ArrayList<TaskRecord> tasks = stack.getAllTasks();
+ final int size = tasks.size();
+ if (onTop) {
+ for (int i = 0; i < size; i++) {
+ final TaskRecord task = tasks.get(i);
+ final boolean isTopTask = i == (size - 1);
+ if (fromStackId == PINNED_STACK_ID) {
+ // Update the return-to to reflect where the pinned stack task was moved
+ // from so that we retain the stack that was previously visible if the
+ // pinned stack is recreated. See moveActivityToPinnedStackLocked().
+ task.setTaskToReturnTo(isFullscreenStackVisible && onTop ?
+ APPLICATION_ACTIVITY_TYPE : HOME_ACTIVITY_TYPE);
+ }
+ // Defer resume until all the tasks have been moved to the fullscreen stack
+ task.reparent(FULLSCREEN_WORKSPACE_STACK_ID, ON_TOP,
+ REPARENT_MOVE_STACK_TO_FRONT, isTopTask /* animate */, DEFER_RESUME,
+ schedulePictureInPictureModeChange,
+ "moveTasksToFullscreenStack - onTop");
+ }
+ } else {
+ for (int i = 0; i < size; i++) {
+ final TaskRecord task = tasks.get(i);
+ // Position the tasks in the fullscreen stack in order at the bottom of the
+ // stack. Also defer resume until all the tasks have been moved to the
+ // fullscreen stack.
+ task.reparent(FULLSCREEN_WORKSPACE_STACK_ID, i /* position */,
+ REPARENT_LEAVE_STACK_IN_PLACE, !ANIMATE, DEFER_RESUME,
+ schedulePictureInPictureModeChange,
+ "moveTasksToFullscreenStack - NOT_onTop");
}
}
+
+ ensureActivitiesVisibleLocked(null, 0, PRESERVE_WINDOWS);
+ resumeFocusedStackTopActivityLocked();
+ } finally {
+ mAllowDockedStackResize = true;
+ mWindowManager.continueSurfaceLayout();
}
}
- /** Makes sure the input task is in a stack with the specified bounds by either resizing the
- * current task stack if it only has one entry, moving the task to a stack that matches the
- * bounds, or creating a new stack with the required bounds. Also, makes the task resizeable.*/
- void resizeTaskLocked(TaskRecord task, Rect bounds) {
- task.mResizeable = true;
- final ActivityStack currentStack = task.stack;
- if (currentStack.isHomeStack()) {
- // Can't move task off the home stack. Sorry!
+ void moveTasksToFullscreenStackLocked(int fromStackId, boolean onTop) {
+ mWindowManager.inSurfaceTransaction(
+ () -> moveTasksToFullscreenStackInSurfaceTransaction(fromStackId, onTop));
+ }
+
+ void resizeDockedStackLocked(Rect dockedBounds, Rect tempDockedTaskBounds,
+ Rect tempDockedTaskInsetBounds, Rect tempOtherTaskBounds, Rect tempOtherTaskInsetBounds,
+ boolean preserveWindows) {
+ resizeDockedStackLocked(dockedBounds, tempDockedTaskBounds, tempDockedTaskInsetBounds,
+ tempOtherTaskBounds, tempOtherTaskInsetBounds, preserveWindows,
+ false /* deferResume */);
+ }
+
+ void resizeDockedStackLocked(Rect dockedBounds, Rect tempDockedTaskBounds,
+ Rect tempDockedTaskInsetBounds, Rect tempOtherTaskBounds, Rect tempOtherTaskInsetBounds,
+ boolean preserveWindows, boolean deferResume) {
+
+ if (!mAllowDockedStackResize) {
+ // Docked stack resize currently disabled.
return;
}
- final int matchingStackId = mWindowManager.getStackIdWithBounds(bounds);
- if (matchingStackId != -1) {
- // There is already a stack with the right bounds!
- if (currentStack != null && currentStack.mStackId == matchingStackId) {
- // Nothing to do here. Already in the right stack...
- return;
- }
- // Move task to stack with matching bounds.
- moveTaskToStackLocked(task.taskId, matchingStackId, true);
+ final ActivityStack stack = getStack(DOCKED_STACK_ID);
+ if (stack == null) {
+ Slog.w(TAG, "resizeDockedStackLocked: docked stack not found");
return;
}
- if (currentStack != null && currentStack.numTasks() == 1) {
- // Just resize the current stack since this is the task in it.
- resizeStackLocked(currentStack.mStackId, bounds);
- return;
+ Trace.traceBegin(TRACE_TAG_ACTIVITY_MANAGER, "am.resizeDockedStack");
+ mWindowManager.deferSurfaceLayout();
+ try {
+ // Don't allow re-entry while resizing. E.g. due to docked stack detaching.
+ mAllowDockedStackResize = false;
+ ActivityRecord r = stack.topRunningActivityLocked();
+ stack.resize(dockedBounds, tempDockedTaskBounds, tempDockedTaskInsetBounds);
+
+ // TODO: Checking for isAttached might not be needed as if the user passes in null
+ // dockedBounds then they want the docked stack to be dismissed.
+ if (stack.mFullscreen || (dockedBounds == null && !stack.isAttached())) {
+ // The dock stack either was dismissed or went fullscreen, which is kinda the same.
+ // In this case we make all other static stacks fullscreen and move all
+ // docked stack tasks to the fullscreen stack.
+ moveTasksToFullscreenStackLocked(DOCKED_STACK_ID, ON_TOP);
+
+ // stack shouldn't contain anymore activities, so nothing to resume.
+ r = null;
+ } else {
+ // Docked stacks occupy a dedicated region on screen so the size of all other
+ // static stacks need to be adjusted so they don't overlap with the docked stack.
+ // We get the bounds to use from window manager which has been adjusted for any
+ // screen controls and is also the same for all stacks.
+ final Rect otherTaskRect = new Rect();
+ for (int i = FIRST_STATIC_STACK_ID; i <= LAST_STATIC_STACK_ID; i++) {
+ final ActivityStack current = getStack(i);
+ if (current != null && StackId.isResizeableByDockedStack(i)) {
+ current.getStackDockedModeBounds(
+ tempOtherTaskBounds /* currentTempTaskBounds */,
+ tempRect /* outStackBounds */,
+ otherTaskRect /* outTempTaskBounds */, true /* ignoreVisibility */);
+
+ resizeStackLocked(i, !tempRect.isEmpty() ? tempRect : null,
+ !otherTaskRect.isEmpty() ? otherTaskRect : tempOtherTaskBounds,
+ tempOtherTaskInsetBounds, preserveWindows,
+ true /* allowResizeInDockedMode */, deferResume);
+ }
+ }
+ }
+ if (!deferResume) {
+ stack.ensureVisibleActivitiesConfigurationLocked(r, preserveWindows);
+ }
+ } finally {
+ mAllowDockedStackResize = true;
+ mWindowManager.continueSurfaceLayout();
+ Trace.traceEnd(TRACE_TAG_ACTIVITY_MANAGER);
}
+ }
- // Create new stack and move the task to it.
- final int displayId = (currentStack != null && currentStack.mDisplayId != -1)
- ? currentStack.mDisplayId : Display.DEFAULT_DISPLAY;
- ActivityStack newStack = createStackOnDisplay(getNextStackId(), displayId);
+ void resizePinnedStackLocked(Rect pinnedBounds, Rect tempPinnedTaskBounds) {
+ final PinnedActivityStack stack = getStack(PINNED_STACK_ID);
+ if (stack == null) {
+ Slog.w(TAG, "resizePinnedStackLocked: pinned stack not found");
+ return;
+ }
- if (newStack == null) {
- Slog.e(TAG, "resizeTaskLocked: Can't create stack for task=" + task);
+ // It is possible for the bounds animation from the WM to call this but be delayed by
+ // another AM call that is holding the AMS lock. In such a case, the pinnedBounds may be
+ // incorrect if AMS.resizeStackWithBoundsFromWindowManager() is already called while waiting
+ // for the AMS lock to be freed. So check and make sure these bounds are still good.
+ final PinnedStackWindowController stackController = stack.getWindowContainerController();
+ if (stackController.pinnedStackResizeDisallowed()) {
return;
}
- moveTaskToStackLocked(task.taskId, newStack.mStackId, true);
- resizeStackLocked(newStack.mStackId, bounds);
+
+ Trace.traceBegin(TRACE_TAG_ACTIVITY_MANAGER, "am.resizePinnedStack");
+ mWindowManager.deferSurfaceLayout();
+ try {
+ ActivityRecord r = stack.topRunningActivityLocked();
+ Rect insetBounds = null;
+ if (tempPinnedTaskBounds != null) {
+ // We always use 0,0 as the position for the inset rect because
+ // if we are getting insets at all in the pinned stack it must mean
+ // we are headed for fullscreen.
+ insetBounds = tempRect;
+ insetBounds.top = 0;
+ insetBounds.left = 0;
+ insetBounds.right = tempPinnedTaskBounds.width();
+ insetBounds.bottom = tempPinnedTaskBounds.height();
+ }
+ stack.resize(pinnedBounds, tempPinnedTaskBounds, insetBounds);
+ stack.ensureVisibleActivitiesConfigurationLocked(r, false);
+ } finally {
+ mWindowManager.continueSurfaceLayout();
+ Trace.traceEnd(TRACE_TAG_ACTIVITY_MANAGER);
+ }
}
- ActivityStack createStackOnDisplay(int stackId, int displayId) {
- ActivityDisplay activityDisplay = mActivityDisplays.get(displayId);
+ ActivityStack createStackOnDisplay(int stackId, int displayId, boolean onTop) {
+ final ActivityDisplay activityDisplay = getActivityDisplayOrCreateLocked(displayId);
if (activityDisplay == null) {
return null;
}
+ return createStack(stackId, activityDisplay, onTop);
+
+ }
+
+ ActivityStack createStack(int stackId, ActivityDisplay display, boolean onTop) {
+ switch (stackId) {
+ case PINNED_STACK_ID:
+ return new PinnedActivityStack(display, stackId, this, mRecentTasks, onTop);
+ default:
+ return new ActivityStack(display, stackId, this, mRecentTasks, onTop);
+ }
+ }
+
+ void removeStackInSurfaceTransaction(int stackId) {
+ final ActivityStack stack = getStack(stackId);
+ if (stack == null) {
+ return;
+ }
+
+ final ArrayList<TaskRecord> tasks = stack.getAllTasks();
+ if (stack.getStackId() == PINNED_STACK_ID) {
+ /**
+ * Workaround: Force-stop all the activities in the pinned stack before we reparent them
+ * to the fullscreen stack. This is to guarantee that when we are removing a stack,
+ * that the client receives onStop() before it is reparented. We do this by detaching
+ * the stack from the display so that it will be considered invisible when
+ * ensureActivitiesVisibleLocked() is called, and all of its activitys will be marked
+ * invisible as well and added to the stopping list. After which we process the
+ * stopping list by handling the idle.
+ */
+ final PinnedActivityStack pinnedStack = (PinnedActivityStack) stack;
+ pinnedStack.mForceHidden = true;
+ pinnedStack.ensureActivitiesVisibleLocked(null, 0, PRESERVE_WINDOWS);
+ pinnedStack.mForceHidden = false;
+ activityIdleInternalLocked(null, false /* fromTimeout */,
+ true /* processPausingActivites */, null /* configuration */);
+
+ // Move all the tasks to the bottom of the fullscreen stack
+ moveTasksToFullscreenStackLocked(PINNED_STACK_ID, !ON_TOP);
+ } else {
+ for (int i = tasks.size() - 1; i >= 0; i--) {
+ removeTaskByIdLocked(tasks.get(i).taskId, true /* killProcess */,
+ REMOVE_FROM_RECENTS);
+ }
+ }
+ }
+
+ /**
+ * Removes the stack associated with the given {@param stackId}. If the {@param stackId} is the
+ * pinned stack, then its tasks are not explicitly removed when the stack is destroyed, but
+ * instead moved back onto the fullscreen stack.
+ */
+ void removeStackLocked(int stackId) {
+ mWindowManager.inSurfaceTransaction(
+ () -> removeStackInSurfaceTransaction(stackId));
+ }
+
+ /**
+ * See {@link #removeTaskByIdLocked(int, boolean, boolean, boolean)}
+ */
+ boolean removeTaskByIdLocked(int taskId, boolean killProcess, boolean removeFromRecents) {
+ return removeTaskByIdLocked(taskId, killProcess, removeFromRecents, !PAUSE_IMMEDIATELY);
+ }
+
+ /**
+ * Removes the task with the specified task id.
+ *
+ * @param taskId Identifier of the task to be removed.
+ * @param killProcess Kill any process associated with the task if possible.
+ * @param removeFromRecents Whether to also remove the task from recents.
+ * @param pauseImmediately Pauses all task activities immediately without waiting for the
+ * pause-complete callback from the activity.
+ * @return Returns true if the given task was found and removed.
+ */
+ boolean removeTaskByIdLocked(int taskId, boolean killProcess, boolean removeFromRecents,
+ boolean pauseImmediately) {
+ final TaskRecord tr = anyTaskForIdLocked(taskId, MATCH_TASK_IN_STACKS_OR_RECENT_TASKS,
+ INVALID_STACK_ID);
+ if (tr != null) {
+ tr.removeTaskActivitiesLocked(pauseImmediately);
+ cleanUpRemovedTaskLocked(tr, killProcess, removeFromRecents);
+ if (tr.isPersistable) {
+ mService.notifyTaskPersisterLocked(null, true);
+ }
+ return true;
+ }
+ Slog.w(TAG, "Request to remove task ignored for non-existent task " + taskId);
+ return false;
+ }
+
+ void cleanUpRemovedTaskLocked(TaskRecord tr, boolean killProcess, boolean removeFromRecents) {
+ if (removeFromRecents) {
+ mRecentTasks.remove(tr);
+ tr.removedFromRecents();
+ }
+ ComponentName component = tr.getBaseIntent().getComponent();
+ if (component == null) {
+ Slog.w(TAG, "No component for base intent of task: " + tr);
+ return;
+ }
+
+ // Find any running services associated with this app and stop if needed.
+ mService.mServices.cleanUpRemovedTaskLocked(tr, component, new Intent(tr.getBaseIntent()));
+
+ if (!killProcess) {
+ return;
+ }
+
+ // Determine if the process(es) for this task should be killed.
+ final String pkg = component.getPackageName();
+ ArrayList<ProcessRecord> procsToKill = new ArrayList<>();
+ ArrayMap<String, SparseArray<ProcessRecord>> pmap = mService.mProcessNames.getMap();
+ for (int i = 0; i < pmap.size(); i++) {
+
+ SparseArray<ProcessRecord> uids = pmap.valueAt(i);
+ for (int j = 0; j < uids.size(); j++) {
+ ProcessRecord proc = uids.valueAt(j);
+ if (proc.userId != tr.userId) {
+ // Don't kill process for a different user.
+ continue;
+ }
+ if (proc == mService.mHomeProcess) {
+ // Don't kill the home process along with tasks from the same package.
+ continue;
+ }
+ if (!proc.pkgList.containsKey(pkg)) {
+ // Don't kill process that is not associated with this task.
+ continue;
+ }
+
+ for (int k = 0; k < proc.activities.size(); k++) {
+ TaskRecord otherTask = proc.activities.get(k).getTask();
+ if (tr.taskId != otherTask.taskId && otherTask.inRecents) {
+ // Don't kill process(es) that has an activity in a different task that is
+ // also in recents.
+ return;
+ }
+ }
- ActivityContainer activityContainer = new ActivityContainer(stackId);
- mActivityContainers.put(stackId, activityContainer);
- activityContainer.attachToDisplayLocked(activityDisplay);
- return activityContainer.mStack;
+ if (proc.foregroundServices) {
+ // Don't kill process(es) with foreground service.
+ return;
+ }
+
+ // Add process to kill list.
+ procsToKill.add(proc);
+ }
+ }
+
+ // Kill the running processes.
+ for (int i = 0; i < procsToKill.size(); i++) {
+ ProcessRecord pr = procsToKill.get(i);
+ if (pr.setSchedGroup == ProcessList.SCHED_GROUP_BACKGROUND
+ && pr.curReceivers.isEmpty()) {
+ pr.kill("remove task", true);
+ } else {
+ // We delay killing processes that are not in the background or running a receiver.
+ pr.waitingToKill = "remove task";
+ }
+ }
}
int getNextStackId() {
while (true) {
- if (++mLastStackId <= HOME_STACK_ID) {
- mLastStackId = HOME_STACK_ID + 1;
- }
- if (getStack(mLastStackId) == null) {
+ if (mNextFreeStackId >= FIRST_DYNAMIC_STACK_ID
+ && getStack(mNextFreeStackId) == null) {
break;
}
+ mNextFreeStackId++;
}
- return mLastStackId;
+ return mNextFreeStackId;
}
- private boolean restoreRecentTaskLocked(TaskRecord task) {
- ActivityStack stack = null;
- // Determine stack to restore task to.
- if (mLeanbackOnlyDevice) {
- // There is only one stack for lean back devices.
- stack = mHomeStack;
- } else {
- // Look for the top stack on the home display that isn't the home stack.
- final ArrayList<ActivityStack> homeDisplayStacks = mHomeStack.mStacks;
- for (int stackNdx = homeDisplayStacks.size() - 1; stackNdx >= 0; --stackNdx) {
- final ActivityStack tmpStack = homeDisplayStacks.get(stackNdx);
- if (!tmpStack.isHomeStack() && tmpStack.mFullscreen) {
- stack = tmpStack;
- break;
- }
+ /**
+ * Restores a recent task to a stack
+ * @param task The recent task to be restored.
+ * @param stackId The stack to restore the task to (default launch stack will be used
+ * if stackId is {@link android.app.ActivityManager.StackId#INVALID_STACK_ID}
+ * or is not a static stack).
+ * @return true if the task has been restored successfully.
+ */
+ boolean restoreRecentTaskLocked(TaskRecord task, int stackId) {
+ if (!StackId.isStaticStack(stackId)) {
+ // If stack is not static (or stack id is invalid) - use the default one.
+ // This means that tasks that were on external displays will be restored on the
+ // primary display.
+ stackId = task.getLaunchStackId();
+ } else if (stackId == DOCKED_STACK_ID && !task.supportsSplitScreen()) {
+ // Preferred stack is the docked stack, but the task can't go in the docked stack.
+ // Put it in the fullscreen stack.
+ stackId = FULLSCREEN_WORKSPACE_STACK_ID;
+ }
+
+ final ActivityStack currentStack = task.getStack();
+ if (currentStack != null) {
+ // Task has already been restored once. See if we need to do anything more
+ if (currentStack.mStackId == stackId) {
+ // Nothing else to do since it is already restored in the right stack.
+ return true;
}
+ // Remove current stack association, so we can re-associate the task with the
+ // right stack below.
+ currentStack.removeTask(task, "restoreRecentTaskLocked", REMOVE_TASK_MODE_MOVING);
}
+ final ActivityStack stack =
+ getStack(stackId, CREATE_IF_NEEDED, !ON_TOP);
+
if (stack == null) {
- // We couldn't find a stack to restore the task to. Possible if are restoring recents
- // before an application stack is created...Go ahead and create one on the default
- // display.
- stack = createStackOnDisplay(getNextStackId(), Display.DEFAULT_DISPLAY);
- // Restore home stack to top.
- moveHomeStack(true, "restoreRecentTask");
+ // What does this mean??? Not sure how we would get here...
if (DEBUG_RECENTS) Slog.v(TAG_RECENTS,
- "Created stack=" + stack + " for recents restoration.");
+ "Unable to find/create stack to restore recent task=" + task);
+ return false;
+ }
+
+ stack.addTask(task, false /* toTop */, "restoreRecentTask");
+ // TODO: move call for creation here and other place into Stack.addTask()
+ task.createWindowContainer(false /* toTop */, true /* showForAllUsers */);
+ if (DEBUG_RECENTS) Slog.v(TAG_RECENTS,
+ "Added restored task=" + task + " to stack=" + stack);
+ final ArrayList<ActivityRecord> activities = task.mActivities;
+ for (int activityNdx = activities.size() - 1; activityNdx >= 0; --activityNdx) {
+ activities.get(activityNdx).createWindowContainer();
+ }
+ return true;
+ }
+
+ /**
+ * Move stack with all its existing content to specified display.
+ * @param stackId Id of stack to move.
+ * @param displayId Id of display to move stack to.
+ * @param onTop Indicates whether container should be place on top or on bottom.
+ */
+ void moveStackToDisplayLocked(int stackId, int displayId, boolean onTop) {
+ final ActivityDisplay activityDisplay = getActivityDisplayOrCreateLocked(displayId);
+ if (activityDisplay == null) {
+ throw new IllegalArgumentException("moveStackToDisplayLocked: Unknown displayId="
+ + displayId);
+ }
+ final ActivityStack stack = mStacks.get(stackId);
+ if (stack == null) {
+ throw new IllegalArgumentException("moveStackToDisplayLocked: Unknown stackId="
+ + stackId);
+ }
+
+ final ActivityDisplay currentDisplay = stack.getDisplay();
+ if (currentDisplay == null) {
+ throw new IllegalStateException("moveStackToDisplayLocked: Stack with stack=" + stack
+ + " is not attached to any display.");
+ }
+
+ if (currentDisplay.mDisplayId == displayId) {
+ throw new IllegalArgumentException("Trying to move stack=" + stack
+ + " to its current displayId=" + displayId);
+ }
+
+ stack.reparent(activityDisplay, onTop);
+ // TODO(multi-display): resize stacks properly if moved from split-screen.
+ }
+
+ /**
+ * Returns the reparent target stack, creating the stack if necessary. This call also enforces
+ * the various checks on tasks that are going to be reparented from one stack to another.
+ */
+ ActivityStack getReparentTargetStack(TaskRecord task, int stackId, boolean toTop) {
+ final ActivityStack prevStack = task.getStack();
+
+ // Check that we aren't reparenting to the same stack that the task is already in
+ if (prevStack != null && prevStack.mStackId == stackId) {
+ Slog.w(TAG, "Can not reparent to same stack, task=" + task
+ + " already in stackId=" + stackId);
+ return prevStack;
+ }
+
+ // Ensure that we aren't trying to move into a multi-window stack without multi-window
+ // support
+ if (StackId.isMultiWindowStack(stackId) && !mService.mSupportsMultiWindow) {
+ throw new IllegalArgumentException("Device doesn't support multi-window, can not"
+ + " reparent task=" + task + " to stackId=" + stackId);
+ }
+
+ // Ensure that we're not moving a task to a dynamic stack if device doesn't support
+ // multi-display.
+ // TODO(multi-display): Support non-dynamic stacks on secondary displays.
+ if (StackId.isDynamicStack(stackId) && !mService.mSupportsMultiDisplay) {
+ throw new IllegalArgumentException("Device doesn't support multi-display, can not"
+ + " reparent task=" + task + " to stackId=" + stackId);
+ }
+
+ // Ensure that we aren't trying to move into a freeform stack without freeform
+ // support
+ if (stackId == FREEFORM_WORKSPACE_STACK_ID && !mService.mSupportsFreeformWindowManagement) {
+ throw new IllegalArgumentException("Device doesn't support freeform, can not reparent"
+ + " task=" + task);
+ }
+
+ // We don't allow moving a unresizeable task to the docked stack since the docked stack is
+ // used for split-screen mode and will cause things like the docked divider to show up. We
+ // instead leave the task in its current stack or move it to the fullscreen stack if it
+ // isn't currently in a stack.
+ if (stackId == DOCKED_STACK_ID && !task.isResizeable()) {
+ stackId = (prevStack != null) ? prevStack.mStackId : FULLSCREEN_WORKSPACE_STACK_ID;
+ Slog.w(TAG, "Can not move unresizeable task=" + task + " to docked stack."
+ + " Moving to stackId=" + stackId + " instead.");
+ }
+
+ // Temporarily disable resizeablility of the task as we don't want it to be resized if, for
+ // example, a docked stack is created which will lead to the stack we are moving from being
+ // resized and and its resizeable tasks being resized.
+ try {
+ task.mTemporarilyUnresizable = true;
+ return getStack(stackId, CREATE_IF_NEEDED, toTop);
+ } finally {
+ task.mTemporarilyUnresizable = false;
+ }
+ }
+
+ boolean moveTopStackActivityToPinnedStackLocked(int stackId, Rect destBounds) {
+ final ActivityStack stack = getStack(stackId, !CREATE_IF_NEEDED, !ON_TOP);
+ if (stack == null) {
+ throw new IllegalArgumentException(
+ "moveTopStackActivityToPinnedStackLocked: Unknown stackId=" + stackId);
+ }
+
+ final ActivityRecord r = stack.topRunningActivityLocked();
+ if (r == null) {
+ Slog.w(TAG, "moveTopStackActivityToPinnedStackLocked: No top running activity"
+ + " in stack=" + stack);
+ return false;
+ }
+
+ if (!mService.mForceResizableActivities && !r.supportsPictureInPicture()) {
+ Slog.w(TAG,
+ "moveTopStackActivityToPinnedStackLocked: Picture-In-Picture not supported for "
+ + " r=" + r);
+ return false;
+ }
+
+ moveActivityToPinnedStackLocked(r, null /* sourceBounds */, 0f /* aspectRatio */,
+ true /* moveHomeStackToFront */, "moveTopActivityToPinnedStack");
+ return true;
+ }
+
+ void moveActivityToPinnedStackLocked(ActivityRecord r, Rect sourceHintBounds, float aspectRatio,
+ boolean moveHomeStackToFront, String reason) {
+
+ mWindowManager.deferSurfaceLayout();
+
+ // This will clear the pinned stack by moving an existing task to the full screen stack,
+ // ensuring only one task is present.
+ moveTasksToFullscreenStackLocked(PINNED_STACK_ID, !ON_TOP);
+
+ // Need to make sure the pinned stack exist so we can resize it below...
+ final PinnedActivityStack stack = getStack(PINNED_STACK_ID, CREATE_IF_NEEDED, ON_TOP);
+
+ try {
+ final TaskRecord task = r.getTask();
+ // Resize the pinned stack to match the current size of the task the activity we are
+ // going to be moving is currently contained in. We do this to have the right starting
+ // animation bounds for the pinned stack to the desired bounds the caller wants.
+ resizeStackLocked(PINNED_STACK_ID, task.mBounds, null /* tempTaskBounds */,
+ null /* tempTaskInsetBounds */, !PRESERVE_WINDOWS,
+ true /* allowResizeInDockedMode */, !DEFER_RESUME);
+
+ if (task.mActivities.size() == 1) {
+ // There is only one activity in the task. So, we can just move the task over to
+ // the stack without re-parenting the activity in a different task. We don't
+ // move the home stack forward if we are currently entering picture-in-picture
+ // while pausing because that changes the focused stack and may prevent the new
+ // starting activity from resuming.
+ if (moveHomeStackToFront && task.getTaskToReturnTo() == HOME_ACTIVITY_TYPE
+ && (r.state == RESUMED || !r.supportsEnterPipOnTaskSwitch)) {
+ // Move the home stack forward if the task we just moved to the pinned stack
+ // was launched from home so home should be visible behind it.
+ moveHomeStackToFront(reason);
+ }
+ // Defer resume until below, and do not schedule PiP changes until we animate below
+ task.reparent(PINNED_STACK_ID, ON_TOP, REPARENT_MOVE_STACK_TO_FRONT, !ANIMATE,
+ DEFER_RESUME, false /* schedulePictureInPictureModeChange */, reason);
+ } else {
+ // There are multiple activities in the task and moving the top activity should
+ // reveal/leave the other activities in their original task.
+
+ // Currently, we don't support reparenting activities across tasks in two different
+ // stacks, so instead, just create a new task in the same stack, reparent the
+ // activity into that task, and then reparent the whole task to the new stack. This
+ // ensures that all the necessary work to migrate states in the old and new stacks
+ // is also done.
+ final TaskRecord newTask = task.getStack().createTaskRecord(
+ getNextTaskIdForUserLocked(r.userId), r.info, r.intent, null, null, true,
+ r.mActivityType);
+ r.reparent(newTask, MAX_VALUE, "moveActivityToStack");
+
+ // Defer resume until below, and do not schedule PiP changes until we animate below
+ newTask.reparent(PINNED_STACK_ID, ON_TOP, REPARENT_MOVE_STACK_TO_FRONT, !ANIMATE,
+ DEFER_RESUME, false /* schedulePictureInPictureModeChange */, reason);
+ }
+
+ // Reset the state that indicates it can enter PiP while pausing after we've moved it
+ // to the pinned stack
+ r.supportsEnterPipOnTaskSwitch = false;
+ } finally {
+ mWindowManager.continueSurfaceLayout();
}
- if (stack == null) {
- // What does this mean??? Not sure how we would get here...
- if (DEBUG_RECENTS) Slog.v(TAG_RECENTS,
- "Unable to find/create stack to restore recent task=" + task);
- return false;
- }
+ // Calculate the default bounds (don't use existing stack bounds as we may have just created
+ // the stack, and schedule the start of the animation into PiP (the bounds animator that
+ // is triggered by this is posted on another thread)
+ final Rect destBounds = stack.getDefaultPictureInPictureBounds(aspectRatio);
- stack.addTask(task, false, false);
- if (DEBUG_RECENTS) Slog.v(TAG_RECENTS,
- "Added restored task=" + task + " to stack=" + stack);
- final ArrayList<ActivityRecord> activities = task.mActivities;
- for (int activityNdx = activities.size() - 1; activityNdx >= 0; --activityNdx) {
- final ActivityRecord r = activities.get(activityNdx);
- mWindowManager.addAppToken(0, r.appToken, task.taskId, stack.mStackId,
- r.info.screenOrientation, r.fullscreen,
- (r.info.flags & ActivityInfo.FLAG_SHOW_FOR_ALL_USERS) != 0,
- r.userId, r.info.configChanges, task.voiceSession != null,
- r.mLaunchTaskBehind);
- }
- return true;
+ stack.animateResizePinnedStack(sourceHintBounds, destBounds, -1 /* animationDuration */,
+ true /* fromFullscreen */);
+
+ // Update the visibility of all activities after the they have been reparented to the new
+ // stack. This MUST run after the animation above is scheduled to ensure that the windows
+ // drawn signal is scheduled after the bounds animation start call on the bounds animator
+ // thread.
+ ensureActivitiesVisibleLocked(null, 0, !PRESERVE_WINDOWS);
+ resumeFocusedStackTopActivityLocked();
+
+ mService.mTaskChangeNotificationController.notifyActivityPinned(r.packageName, r.userId,
+ r.getTask().taskId);
}
- void moveTaskToStackLocked(int taskId, int stackId, boolean toTop) {
- final TaskRecord task = anyTaskForIdLocked(taskId);
- if (task == null) {
- Slog.w(TAG, "moveTaskToStack: no task for id=" + taskId);
- return;
+ /** Move activity with its stack to front and make the stack focused. */
+ boolean moveFocusableActivityStackToFrontLocked(ActivityRecord r, String reason) {
+ if (r == null || !r.isFocusable()) {
+ if (DEBUG_FOCUS) Slog.d(TAG_FOCUS,
+ "moveActivityStackToFront: unfocusable r=" + r);
+ return false;
}
- final ActivityStack stack = getStack(stackId);
+
+ final TaskRecord task = r.getTask();
+ final ActivityStack stack = r.getStack();
if (stack == null) {
- Slog.w(TAG, "moveTaskToStack: no stack for id=" + stackId);
- return;
+ Slog.w(TAG, "moveActivityStackToFront: invalid task or stack: r="
+ + r + " task=" + task);
+ return false;
}
- mWindowManager.moveTaskToStack(taskId, stackId, toTop);
- if (task.stack != null) {
- task.stack.removeTask(task, "moveTaskToStack", false /* notMoving */);
+
+ if (stack == mFocusedStack && stack.topRunningActivityLocked() == r) {
+ if (DEBUG_FOCUS) Slog.d(TAG_FOCUS,
+ "moveActivityStackToFront: already on top, r=" + r);
+ return false;
}
- stack.addTask(task, toTop, true);
- // The task might have already been running and its visibility needs to be synchronized with
- // the visibility of the stack / windows.
- stack.ensureActivitiesVisibleLocked(null, 0);
- resumeTopActivitiesLocked();
+
+ if (DEBUG_FOCUS) Slog.d(TAG_FOCUS,
+ "moveActivityStackToFront: r=" + r);
+
+ stack.moveToFront(reason, task);
+ return true;
}
- ActivityRecord findTaskLocked(ActivityRecord r) {
+ ActivityRecord findTaskLocked(ActivityRecord r, int displayId) {
+ mTmpFindTaskResult.r = null;
+ mTmpFindTaskResult.matchedByRootAffinity = false;
+ ActivityRecord affinityMatch = null;
if (DEBUG_TASKS) Slog.d(TAG_TASKS, "Looking for task of " + r);
for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) {
final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks;
for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) {
final ActivityStack stack = stacks.get(stackNdx);
- if (!r.isApplicationActivity() && !stack.isHomeStack()) {
- if (DEBUG_TASKS) Slog.d(TAG_TASKS, "Skipping stack: (home activity) " + stack);
- continue;
- }
- if (!stack.mActivityContainer.isEligibleForNewTasks()) {
- if (DEBUG_TASKS) Slog.d(TAG_TASKS,
- "Skipping stack: (new task not allowed) " + stack);
+ if (!checkActivityBelongsInStack(r, stack)) {
+ if (DEBUG_TASKS) Slog.d(TAG_TASKS, "Skipping stack: (mismatch activity/stack) "
+ + stack);
continue;
}
- final ActivityRecord ar = stack.findTaskLocked(r);
- if (ar != null) {
- return ar;
+ stack.findTaskLocked(r, mTmpFindTaskResult);
+ // It is possible to have tasks in multiple stacks with the same root affinity, so
+ // we should keep looking after finding an affinity match to see if there is a
+ // better match in another stack. Also, task affinity isn't a good enough reason
+ // to target a display which isn't the source of the intent, so skip any affinity
+ // matches not on the specified display.
+ if (mTmpFindTaskResult.r != null) {
+ if (!mTmpFindTaskResult.matchedByRootAffinity) {
+ return mTmpFindTaskResult.r;
+ } else if (mTmpFindTaskResult.r.getDisplayId() == displayId) {
+ // Note: since the traversing through the stacks is top down, the floating
+ // tasks should always have lower priority than any affinity-matching tasks
+ // in the fullscreen stacks
+ affinityMatch = mTmpFindTaskResult.r;
+ }
}
}
}
- if (DEBUG_TASKS) Slog.d(TAG_TASKS, "No task found");
- return null;
+
+ if (DEBUG_TASKS && affinityMatch == null) Slog.d(TAG_TASKS, "No task found");
+ return affinityMatch;
+ }
+
+ /**
+ * Checks that for the given activity {@param r}, its activity type matches the {@param stack}
+ * type.
+ */
+ private boolean checkActivityBelongsInStack(ActivityRecord r, ActivityStack stack) {
+ if (r.isHomeActivity()) {
+ return stack.isHomeStack();
+ } else if (r.isRecentsActivity()) {
+ return stack.isRecentsStack();
+ } else if (r.isAssistantActivity()) {
+ return stack.isAssistantStack();
+ }
+ return true;
}
- ActivityRecord findActivityLocked(Intent intent, ActivityInfo info) {
+ ActivityRecord findActivityLocked(Intent intent, ActivityInfo info,
+ boolean compareIntentFilters) {
for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) {
final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks;
for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) {
- final ActivityRecord ar = stacks.get(stackNdx).findActivityLocked(intent, info);
+ final ActivityRecord ar = stacks.get(stackNdx)
+ .findActivityLocked(intent, info, compareIntentFilters);
if (ar != null) {
return ar;
}
return null;
}
+ boolean hasAwakeDisplay() {
+ for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) {
+ final ActivityDisplay display = mActivityDisplays.valueAt(displayNdx);
+ if (!display.shouldSleep()) {
+ return true;
+ }
+ }
+ return false;
+ }
+
void goingToSleepLocked() {
scheduleSleepTimeout();
if (!mGoingToSleep.isHeld()) {
mService.mHandler.removeMessages(LAUNCH_TIMEOUT_MSG);
}
}
- checkReadyForSleepLocked();
+
+ applySleepTokensLocked(false /* applyToStacks */);
+
+ checkReadyForSleepLocked(true /* allowDelay */);
+ }
+
+ void prepareForShutdownLocked() {
+ for (int i = 0; i < mActivityDisplays.size(); i++) {
+ createSleepTokenLocked("shutdown", mActivityDisplays.keyAt(i));
+ }
}
boolean shutdownLocked(int timeout) {
boolean timedout = false;
final long endTime = System.currentTimeMillis() + timeout;
while (true) {
- boolean cantShutdown = false;
- for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) {
- final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks;
- for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) {
- cantShutdown |= stacks.get(stackNdx).checkReadyForSleepLocked();
- }
- }
- if (cantShutdown) {
+ if (!putStacksToSleepLocked(true /* allowDelay */, true /* shuttingDown */)) {
long timeRemaining = endTime - System.currentTimeMillis();
if (timeRemaining > 0) {
try {
}
// Force checkReadyForSleep to complete.
- mSleepTimeout = true;
- checkReadyForSleepLocked();
+ checkReadyForSleepLocked(false /* allowDelay */);
return timedout;
}
if (mGoingToSleep.isHeld()) {
mGoingToSleep.release();
}
+ }
+
+ void applySleepTokensLocked(boolean applyToStacks) {
for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) {
- final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks;
+ // Set the sleeping state of the display.
+ final ActivityDisplay display = mActivityDisplays.valueAt(displayNdx);
+ final boolean displayShouldSleep = display.shouldSleep();
+ if (displayShouldSleep == display.isSleeping()) {
+ continue;
+ }
+ display.setIsSleeping(displayShouldSleep);
+
+ if (!applyToStacks) {
+ continue;
+ }
+
+ // Set the sleeping state of the stacks on the display.
+ final ArrayList<ActivityStack> stacks = display.mStacks;
for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) {
final ActivityStack stack = stacks.get(stackNdx);
- stack.awakeFromSleepingLocked();
- if (isFrontStack(stack)) {
- resumeTopActivitiesLocked();
+ if (displayShouldSleep) {
+ stack.goToSleepIfPossible(false /* shuttingDown */);
+ } else {
+ stack.awakeFromSleepingLocked();
+ if (isFocusedStack(stack)) {
+ resumeFocusedStackTopActivityLocked();
+ }
+ }
+ }
+
+ if (displayShouldSleep || mGoingToSleepActivities.isEmpty()) {
+ continue;
+ }
+ // The display is awake now, so clean up the going to sleep list.
+ for (Iterator<ActivityRecord> it = mGoingToSleepActivities.iterator(); it.hasNext(); ) {
+ final ActivityRecord r = it.next();
+ if (r.getDisplayId() == display.mDisplayId) {
+ it.remove();
}
}
}
- mGoingToSleepActivities.clear();
}
void activitySleptLocked(ActivityRecord r) {
mGoingToSleepActivities.remove(r);
- checkReadyForSleepLocked();
+ final ActivityStack s = r.getStack();
+ if (s != null) {
+ s.checkReadyForSleep();
+ } else {
+ checkReadyForSleepLocked(true);
+ }
}
- void checkReadyForSleepLocked() {
- if (!mService.isSleepingOrShuttingDown()) {
+ void checkReadyForSleepLocked(boolean allowDelay) {
+ if (!mService.isSleepingOrShuttingDownLocked()) {
// Do not care.
return;
}
- if (!mSleepTimeout) {
- boolean dontSleep = false;
- for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) {
- final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks;
- for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) {
- dontSleep |= stacks.get(stackNdx).checkReadyForSleepLocked();
- }
- }
-
- if (mStoppingActivities.size() > 0) {
- // Still need to tell some activities to stop; can't sleep yet.
- if (DEBUG_PAUSE) Slog.v(TAG_PAUSE, "Sleep still need to stop "
- + mStoppingActivities.size() + " activities");
- scheduleIdleLocked();
- dontSleep = true;
- }
-
- if (mGoingToSleepActivities.size() > 0) {
- // Still need to tell some activities to sleep; can't sleep yet.
- if (DEBUG_PAUSE) Slog.v(TAG_PAUSE, "Sleep still need to sleep "
- + mGoingToSleepActivities.size() + " activities");
- dontSleep = true;
- }
-
- if (dontSleep) {
- return;
- }
+ if (!putStacksToSleepLocked(allowDelay, false /* shuttingDown */)) {
+ return;
}
- for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) {
- final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks;
- for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) {
- stacks.get(stackNdx).goToSleep();
- }
- }
+ // Send launch end powerhint before going sleep
+ mService.mActivityStarter.sendPowerHintForLaunchEndIfNeeded();
removeSleepTimeouts();
}
}
+ // Tries to put all activity stacks to sleep. Returns true if all stacks were
+ // successfully put to sleep.
+ private boolean putStacksToSleepLocked(boolean allowDelay, boolean shuttingDown) {
+ boolean allSleep = true;
+ for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) {
+ final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks;
+ for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) {
+ if (allowDelay) {
+ allSleep &= stacks.get(stackNdx).goToSleepIfPossible(shuttingDown);
+ } else {
+ stacks.get(stackNdx).goToSleep();
+ }
+ }
+ }
+ return allSleep;
+ }
+
boolean reportResumedActivityLocked(ActivityRecord r) {
- final ActivityStack stack = r.task.stack;
- if (isFrontStack(stack)) {
+ // A resumed activity cannot be stopping. remove from list
+ mStoppingActivities.remove(r);
+
+ final ActivityStack stack = r.getStack();
+ if (isFocusedStack(stack)) {
mService.updateUsageStats(r, true);
}
if (allResumedActivitiesComplete()) {
- ensureActivitiesVisibleLocked(null, 0);
+ ensureActivitiesVisibleLocked(null, 0, !PRESERVE_WINDOWS);
mWindowManager.executeAppTransition();
return true;
}
}
}
- boolean requestVisibleBehindLocked(ActivityRecord r, boolean visible) {
- final ActivityStack stack = r.task.stack;
- if (stack == null) {
- if (DEBUG_VISIBLE_BEHIND) Slog.d(TAG_VISIBLE_BEHIND,
- "requestVisibleBehind: r=" + r + " visible=" + visible + " stack is null");
- return false;
- }
- final boolean isVisible = stack.hasVisibleBehindActivity();
- if (DEBUG_VISIBLE_BEHIND) Slog.d(TAG_VISIBLE_BEHIND,
- "requestVisibleBehind r=" + r + " visible=" + visible + " isVisible=" + isVisible);
-
- final ActivityRecord top = topRunningActivityLocked();
- if (top == null || top == r || (visible == isVisible)) {
- if (DEBUG_VISIBLE_BEHIND) Slog.d(TAG_VISIBLE_BEHIND, "requestVisibleBehind: quick return");
- stack.setVisibleBehindActivity(visible ? r : null);
- return true;
- }
-
- // A non-top activity is reporting a visibility change.
- if (visible && top.fullscreen) {
- // Let the caller know that it can't be seen.
- if (DEBUG_VISIBLE_BEHIND) Slog.d(TAG_VISIBLE_BEHIND,
- "requestVisibleBehind: returning top.fullscreen=" + top.fullscreen
- + " top.state=" + top.state + " top.app=" + top.app + " top.app.thread="
- + top.app.thread);
- return false;
- } else if (!visible && stack.getVisibleBehindActivity() != r) {
- // Only the activity set as currently visible behind should actively reset its
- // visible behind state.
- if (DEBUG_VISIBLE_BEHIND) Slog.d(TAG_VISIBLE_BEHIND,
- "requestVisibleBehind: returning visible=" + visible
- + " stack.getVisibleBehindActivity()=" + stack.getVisibleBehindActivity()
- + " r=" + r);
- return false;
- }
-
- stack.setVisibleBehindActivity(visible ? r : null);
- if (!visible) {
- // Make the activity immediately above r opaque.
- final ActivityRecord next = stack.findNextTranslucentActivity(r);
- if (next != null) {
- mService.convertFromTranslucent(next.appToken);
- }
- }
- if (top.app != null && top.app.thread != null) {
- // Notify the top app of the change.
- try {
- top.app.thread.scheduleBackgroundVisibleBehindChanged(top.appToken, visible);
- } catch (RemoteException e) {
- }
- }
- return true;
- }
-
// Called when WindowManager has finished animating the launchingBehind activity to the back.
- void handleLaunchTaskBehindCompleteLocked(ActivityRecord r) {
+ private void handleLaunchTaskBehindCompleteLocked(ActivityRecord r) {
+ final TaskRecord task = r.getTask();
+ final ActivityStack stack = task.getStack();
+
r.mLaunchTaskBehind = false;
- final TaskRecord task = r.task;
- task.setLastThumbnail(task.stack.screenshotActivities(r));
+ task.setLastThumbnailLocked(r.screenshotActivityLocked());
mRecentTasks.addLocked(task);
- mService.notifyTaskStackChangedLocked();
- mWindowManager.setAppVisibility(r.appToken, false);
+ mService.mTaskChangeNotificationController.notifyTaskStackChanged();
+ r.setVisibility(false);
+
+ // When launching tasks behind, update the last active time of the top task after the new
+ // task has been shown briefly
+ final ActivityRecord top = stack.topActivity();
+ if (top != null) {
+ top.getTask().touchActiveTime();
+ }
}
void scheduleLaunchTaskBehindComplete(IBinder token) {
mHandler.obtainMessage(LAUNCH_TASK_BEHIND_COMPLETE, token).sendToTarget();
}
- void ensureActivitiesVisibleLocked(ActivityRecord starting, int configChanges) {
- // First the front stacks. In case any are not fullscreen and are in front of home.
+ void ensureActivitiesVisibleLocked(ActivityRecord starting, int configChanges,
+ boolean preserveWindows) {
+ mKeyguardController.beginActivityVisibilityUpdate();
+ try {
+ // First the front stacks. In case any are not fullscreen and are in front of home.
+ for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) {
+ final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks;
+ final int topStackNdx = stacks.size() - 1;
+ for (int stackNdx = topStackNdx; stackNdx >= 0; --stackNdx) {
+ final ActivityStack stack = stacks.get(stackNdx);
+ stack.ensureActivitiesVisibleLocked(starting, configChanges, preserveWindows);
+ }
+ }
+ } finally {
+ mKeyguardController.endActivityVisibilityUpdate();
+ }
+ }
+
+ void addStartingWindowsForVisibleActivities(boolean taskSwitch) {
for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) {
final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks;
final int topStackNdx = stacks.size() - 1;
for (int stackNdx = topStackNdx; stackNdx >= 0; --stackNdx) {
final ActivityStack stack = stacks.get(stackNdx);
- stack.ensureActivitiesVisibleLocked(starting, configChanges);
+ stack.addStartingWindowsForVisibleActivities(taskSwitch);
+ }
+ }
+ }
+
+ void invalidateTaskLayers() {
+ mTaskLayersChanged = true;
+ }
+
+ void rankTaskLayersIfNeeded() {
+ if (!mTaskLayersChanged) {
+ return;
+ }
+ mTaskLayersChanged = false;
+ for (int displayNdx = 0; displayNdx < mActivityDisplays.size(); displayNdx++) {
+ final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks;
+ int baseLayer = 0;
+ for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) {
+ baseLayer += stacks.get(stackNdx).rankTaskLayers(baseLayer);
}
}
}
if (DEBUG_RELEASE) Slog.d(TAG_RELEASE, "Not releasing in-use activity: " + r);
continue;
}
- if (r.task != null) {
- if (DEBUG_RELEASE) Slog.d(TAG_RELEASE, "Collecting release task " + r.task
+
+ final TaskRecord task = r.getTask();
+ if (task != null) {
+ if (DEBUG_RELEASE) Slog.d(TAG_RELEASE, "Collecting release task " + task
+ " from " + r);
if (firstTask == null) {
- firstTask = r.task;
- } else if (firstTask != r.task) {
+ firstTask = task;
+ } else if (firstTask != task) {
if (tasks == null) {
tasks = new ArraySet<>();
tasks.add(firstTask);
}
- tasks.add(r.task);
+ tasks.add(task);
}
}
}
}
boolean switchUserLocked(int userId, UserState uss) {
- mUserStackInFront.put(mCurrentUser, mFocusedStack.getStackId());
+ final int focusStackId = mFocusedStack.getStackId();
+ // We dismiss the docked stack whenever we switch users.
+ moveTasksToFullscreenStackLocked(DOCKED_STACK_ID, focusStackId == DOCKED_STACK_ID);
+ // Also dismiss the pinned stack whenever we switch users. Removing the pinned stack will
+ // also cause all tasks to be moved to the fullscreen stack at a position that is
+ // appropriate.
+ removeStackLocked(PINNED_STACK_ID);
+
+ mUserStackInFront.put(mCurrentUser, focusStackId);
final int restoreStackId = mUserStackInFront.get(userId, HOME_STACK_ID);
mCurrentUser = userId;
stack.switchUserLocked(userId);
TaskRecord task = stack.topTask();
if (task != null) {
- mWindowManager.moveTaskToTop(task.taskId);
+ stack.positionChildWindowContainerAtTop(task);
}
}
}
}
final boolean homeInFront = stack.isHomeStack();
if (stack.isOnHomeDisplay()) {
- moveHomeStack(homeInFront, "switchUserOnHomeDisplay");
- TaskRecord task = stack.topTask();
- if (task != null) {
- mWindowManager.moveTaskToTop(task.taskId);
- }
+ stack.moveToFront("switchUserOnHomeDisplay");
} else {
// Stack was moved to another display while user was swapped out.
- resumeHomeStackTask(HOME_ACTIVITY_TYPE, null, "switchUserOnOtherDisplay");
+ resumeHomeStackTask(null, "switchUserOnOtherDisplay");
}
return homeInFront;
}
- /**
- * Add background users to send boot completed events to.
- * @param userId The user being started in the background
- * @param uss The state object for the user.
- */
- public void startBackgroundUserLocked(int userId, UserState uss) {
- mStartingBackgroundUsers.add(uss);
- }
-
/** Checks whether the userid is a profile of the current user. */
boolean isCurrentProfileLocked(int userId) {
if (userId == mCurrentUser) return true;
- for (int i = 0; i < mService.mCurrentProfileIds.length; i++) {
- if (mService.mCurrentProfileIds[i] == userId) return true;
+ return mService.mUserController.isCurrentProfileLocked(userId);
+ }
+
+ /**
+ * Returns whether a stopping activity is present that should be stopped after visible, rather
+ * than idle.
+ * @return {@code true} if such activity is present. {@code false} otherwise.
+ */
+ boolean isStoppingNoHistoryActivity() {
+ // Activities that are marked as nohistory should be stopped immediately after the resumed
+ // activity has become visible.
+ for (ActivityRecord record : mStoppingActivities) {
+ if (record.isNoHistory()) {
+ return true;
+ }
}
+
return false;
}
- final ArrayList<ActivityRecord> processStoppingActivitiesLocked(boolean remove) {
+ final ArrayList<ActivityRecord> processStoppingActivitiesLocked(ActivityRecord idleActivity,
+ boolean remove, boolean processPausingActivities) {
ArrayList<ActivityRecord> stops = null;
final boolean nowVisible = allResumedActivitiesVisible();
for (int activityNdx = mStoppingActivities.size() - 1; activityNdx >= 0; --activityNdx) {
ActivityRecord s = mStoppingActivities.get(activityNdx);
- final boolean waitingVisible = mWaitingVisibleActivities.contains(s);
- if (DEBUG_ALL) Slog.v(TAG, "Stopping " + s + ": nowVisible=" + nowVisible
+ boolean waitingVisible = mActivitiesWaitingForVisibleActivity.contains(s);
+ if (DEBUG_STATES) Slog.v(TAG, "Stopping " + s + ": nowVisible=" + nowVisible
+ " waitingVisible=" + waitingVisible + " finishing=" + s.finishing);
if (waitingVisible && nowVisible) {
- mWaitingVisibleActivities.remove(s);
+ mActivitiesWaitingForVisibleActivity.remove(s);
+ waitingVisible = false;
if (s.finishing) {
// If this activity is finishing, it is sitting on top of
// everyone else but we now know it is no longer needed...
// so get rid of it. Otherwise, we need to go through the
// normal flow and hide it once we determine that it is
// hidden by the activities in front of it.
- if (DEBUG_ALL) Slog.v(TAG, "Before stopping, can hide: " + s);
- mWindowManager.setAppVisibility(s.appToken, false);
+ if (DEBUG_STATES) Slog.v(TAG, "Before stopping, can hide: " + s);
+ s.setVisibility(false);
}
}
- if ((!waitingVisible || mService.isSleepingOrShuttingDown()) && remove) {
- if (DEBUG_ALL) Slog.v(TAG, "Ready to stop: " + s);
- if (stops == null) {
- stops = new ArrayList<>();
+ if (remove) {
+ final ActivityStack stack = s.getStack();
+ final boolean shouldSleepOrShutDown = stack != null
+ ? stack.shouldSleepOrShutDownActivities()
+ : mService.isSleepingOrShuttingDownLocked();
+ if (!waitingVisible || shouldSleepOrShutDown) {
+ if (!processPausingActivities && s.state == PAUSING) {
+ // Defer processing pausing activities in this iteration and reschedule
+ // a delayed idle to reprocess it again
+ removeTimeoutsForActivityLocked(idleActivity);
+ scheduleIdleTimeoutLocked(idleActivity);
+ continue;
+ }
+
+ if (DEBUG_STATES) Slog.v(TAG, "Ready to stop: " + s);
+ if (stops == null) {
+ stops = new ArrayList<>();
+ }
+ stops.add(s);
+ mStoppingActivities.remove(activityNdx);
}
- stops.add(s);
- mStoppingActivities.remove(activityNdx);
}
}
final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks;
for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) {
final ActivityStack stack = stacks.get(stackNdx);
- final ActivityRecord r = stack.topRunningActivityLocked(null);
+ final ActivityRecord r = stack.topRunningActivityLocked();
final ActivityState state = r == null ? DESTROYED : r.state;
- if (isFrontStack(stack)) {
+ if (isFocusedStack(stack)) {
if (r == null) Slog.e(TAG,
"validateTop...: null top activity, stack=" + stack);
else {
public void dump(PrintWriter pw, String prefix) {
pw.print(prefix); pw.print("mFocusedStack=" + mFocusedStack);
pw.print(" mLastFocusedStack="); pw.println(mLastFocusedStack);
- pw.print(prefix); pw.println("mSleepTimeout=" + mSleepTimeout);
- pw.print(prefix); pw.println("mCurTaskId=" + mCurTaskId);
+ pw.print(prefix);
+ pw.println("mCurTaskIdForUser=" + mCurTaskIdForUser);
pw.print(prefix); pw.println("mUserStackInFront=" + mUserStackInFront);
- pw.print(prefix); pw.println("mActivityContainers=" + mActivityContainers);
+ pw.print(prefix); pw.println("mStacks=" + mStacks);
pw.print(prefix); pw.print("mLockTaskModeState=" + lockTaskModeToString());
- final SparseArray<String[]> packages = mService.mLockTaskPackages;
- if (packages.size() > 0) {
- pw.println(" mLockTaskPackages (userId:packages)=");
- for (int i = 0; i < packages.size(); ++i) {
- pw.print(prefix); pw.print(prefix); pw.print(packages.keyAt(i));
- pw.print(":"); pw.println(Arrays.toString(packages.valueAt(i)));
- }
- }
- pw.println(" mLockTaskModeTasks" + mLockTaskModeTasks);
+ final SparseArray<String[]> packages = mService.mLockTaskPackages;
+ if (packages.size() > 0) {
+ pw.print(prefix); pw.println("mLockTaskPackages (userId:packages)=");
+ for (int i = 0; i < packages.size(); ++i) {
+ pw.print(prefix); pw.print(prefix); pw.print(packages.keyAt(i));
+ pw.print(":"); pw.println(Arrays.toString(packages.valueAt(i)));
+ }
+ }
+ if (!mWaitingForActivityVisible.isEmpty()) {
+ pw.print(prefix); pw.println("mWaitingForActivityVisible=");
+ for (int i = 0; i < mWaitingForActivityVisible.size(); ++i) {
+ pw.print(prefix); pw.print(prefix); mWaitingForActivityVisible.get(i).dump(pw, prefix);
+ }
+ }
+
+ pw.println(" mLockTaskModeTasks" + mLockTaskModeTasks);
+ mKeyguardController.dump(pw, prefix);
+ }
+
+ /**
+ * Dump all connected displays' configurations.
+ * @param prefix Prefix to apply to each line of the dump.
+ */
+ void dumpDisplayConfigs(PrintWriter pw, String prefix) {
+ pw.print(prefix); pw.println("Display override configurations:");
+ final int displayCount = mActivityDisplays.size();
+ for (int i = 0; i < displayCount; i++) {
+ final ActivityDisplay activityDisplay = mActivityDisplays.valueAt(i);
+ pw.print(prefix); pw.print(" "); pw.print(activityDisplay.mDisplayId); pw.print(": ");
+ pw.println(activityDisplay.getOverrideConfiguration());
+ }
}
- ArrayList<ActivityRecord> getDumpActivitiesLocked(String name) {
- return mFocusedStack.getDumpActivitiesLocked(name);
+ /**
+ * Dumps the activities matching the given {@param name} in the either the focused stack
+ * or all visible stacks if {@param dumpVisibleStacks} is true.
+ */
+ ArrayList<ActivityRecord> getDumpActivitiesLocked(String name, boolean dumpVisibleStacksOnly,
+ boolean dumpFocusedStackOnly) {
+ if (dumpFocusedStackOnly) {
+ return mFocusedStack.getDumpActivitiesLocked(name);
+ } else {
+ ArrayList<ActivityRecord> activities = new ArrayList<>();
+ int numDisplays = mActivityDisplays.size();
+ for (int displayNdx = 0; displayNdx < numDisplays; ++displayNdx) {
+ ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks;
+ for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) {
+ ActivityStack stack = stacks.get(stackNdx);
+ if (!dumpVisibleStacksOnly ||
+ stack.shouldBeVisible(null) == STACK_VISIBLE) {
+ activities.addAll(stack.getDumpActivitiesLocked(name));
+ }
+ }
+ }
+ return activities;
+ }
}
static boolean printThisActivity(PrintWriter pw, ActivityRecord activity, String dumpPackage,
stackHeader.append(" Stack #");
stackHeader.append(stack.mStackId);
stackHeader.append(":");
- printed |= stack.dumpActivitiesLocked(fd, pw, dumpAll, dumpClient, dumpPackage,
- needSep, stackHeader.toString());
+ stackHeader.append("\n");
+ stackHeader.append(" mFullscreen=" + stack.mFullscreen);
+ stackHeader.append("\n");
+ stackHeader.append(" isSleeping=" + stack.shouldSleepActivities());
+ stackHeader.append("\n");
+ stackHeader.append(" mBounds=" + stack.mBounds);
+
+ final boolean printedStackHeader = stack.dumpActivitiesLocked(fd, pw, dumpAll,
+ dumpClient, dumpPackage, needSep, stackHeader.toString());
+ printed |= printedStackHeader;
+ if (!printedStackHeader) {
+ // Ensure we always dump the stack header even if there are no activities
+ pw.println();
+ pw.println(stackHeader);
+ }
+
printed |= dumpHistoryList(fd, pw, stack.mLRUActivities, " ", "Run", false,
!dumpAll, false, dumpPackage, true,
" Running activities (most recent first):", null);
false, dumpPackage, true, " Activities waiting to finish:", null);
printed |= dumpHistoryList(fd, pw, mStoppingActivities, " ", "Stop", false, !dumpAll,
false, dumpPackage, true, " Activities waiting to stop:", null);
- printed |= dumpHistoryList(fd, pw, mWaitingVisibleActivities, " ", "Wait", false, !dumpAll,
- false, dumpPackage, true, " Activities waiting for another to become visible:",
- null);
- printed |= dumpHistoryList(fd, pw, mGoingToSleepActivities, " ", "Sleep", false, !dumpAll,
- false, dumpPackage, true, " Activities waiting to sleep:", null);
+ printed |= dumpHistoryList(fd, pw, mActivitiesWaitingForVisibleActivity, " ", "Wait",
+ false, !dumpAll, false, dumpPackage, true,
+ " Activities waiting for another to become visible:", null);
printed |= dumpHistoryList(fd, pw, mGoingToSleepActivities, " ", "Sleep", false, !dumpAll,
false, dumpPackage, true, " Activities waiting to sleep:", null);
pw.println(header2);
header2 = null;
}
- if (lastTask != r.task) {
- lastTask = r.task;
+ if (lastTask != r.getTask()) {
+ lastTask = r.getTask();
pw.print(prefix);
pw.print(full ? "* " : " ");
pw.println(lastTask);
try {
TransferPipe tp = new TransferPipe();
try {
- r.app.thread.dumpActivity(tp.getWriteFd().getFileDescriptor(),
- r.appToken, innerPrefix, args);
+ r.app.thread.dumpActivity(tp.getWriteFd(), r.appToken, innerPrefix, args);
// Short timeout, since blocking here can
// deadlock with the application.
tp.go(fd, 2000);
}
void removeSleepTimeouts() {
- mSleepTimeout = false;
mHandler.removeMessages(SLEEP_TIMEOUT_MSG);
}
}
private void handleDisplayAdded(int displayId) {
- boolean newDisplay;
synchronized (mService) {
- newDisplay = mActivityDisplays.get(displayId) == null;
- if (newDisplay) {
- ActivityDisplay activityDisplay = new ActivityDisplay(displayId);
- if (activityDisplay.mDisplay == null) {
- Slog.w(TAG, "Display " + displayId + " gone before initialization complete");
- return;
- }
- mActivityDisplays.put(displayId, activityDisplay);
- }
+ getActivityDisplayOrCreateLocked(displayId);
+ }
+ }
+
+ /** Check if display with specified id is added to the list. */
+ boolean isDisplayAdded(int displayId) {
+ return getActivityDisplayOrCreateLocked(displayId) != null;
+ }
+
+ ActivityDisplay getActivityDisplay(int displayId) {
+ return mActivityDisplays.get(displayId);
+ }
+
+ /**
+ * Get an existing instance of {@link ActivityDisplay} or create new if there is a
+ * corresponding record in display manager.
+ */
+ private ActivityDisplay getActivityDisplayOrCreateLocked(int displayId) {
+ ActivityDisplay activityDisplay = mActivityDisplays.get(displayId);
+ if (activityDisplay != null) {
+ return activityDisplay;
+ }
+ if (mDisplayManager == null) {
+ // The system isn't fully initialized yet.
+ return null;
+ }
+ final Display display = mDisplayManager.getDisplay(displayId);
+ if (display == null) {
+ // The display is not registered in DisplayManager.
+ return null;
}
- if (newDisplay) {
- mWindowManager.onDisplayAdded(displayId);
+ // The display hasn't been added to ActivityManager yet, create a new record now.
+ activityDisplay = new ActivityDisplay(displayId);
+ if (activityDisplay.mDisplay == null) {
+ Slog.w(TAG, "Display " + displayId + " gone before initialization complete");
+ return null;
}
+ mActivityDisplays.put(displayId, activityDisplay);
+ calculateDefaultMinimalSizeOfResizeableTasks(activityDisplay);
+ mWindowManager.onDisplayAdded(displayId);
+ return activityDisplay;
+ }
+
+ private void calculateDefaultMinimalSizeOfResizeableTasks(ActivityDisplay display) {
+ mDefaultMinSizeOfResizeableTask =
+ mService.mContext.getResources().getDimensionPixelSize(
+ com.android.internal.R.dimen.default_minimal_size_resizable_task);
}
private void handleDisplayRemoved(int displayId) {
+ if (displayId == DEFAULT_DISPLAY) {
+ throw new IllegalArgumentException("Can't remove the primary display.");
+ }
+
synchronized (mService) {
ActivityDisplay activityDisplay = mActivityDisplays.get(displayId);
if (activityDisplay != null) {
- ArrayList<ActivityStack> stacks = activityDisplay.mStacks;
- for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) {
- stacks.get(stackNdx).mActivityContainer.detachLocked();
+ final boolean destroyContentOnRemoval
+ = activityDisplay.shouldDestroyContentOnRemove();
+ final ArrayList<ActivityStack> stacks = activityDisplay.mStacks;
+ while (!stacks.isEmpty()) {
+ final ActivityStack stack = stacks.get(0);
+ if (destroyContentOnRemoval) {
+ moveStackToDisplayLocked(stack.mStackId, DEFAULT_DISPLAY,
+ false /* onTop */);
+ stack.finishAllActivitiesLocked(true /* immediately */);
+ } else {
+ // Moving all tasks to fullscreen stack, because it's guaranteed to be
+ // a valid launch stack for all activities. This way the task history from
+ // external display will be preserved on primary after move.
+ moveTasksToFullscreenStackLocked(stack.getStackId(), true /* onTop */);
+ }
}
+
+ releaseSleepTokens(activityDisplay);
+
mActivityDisplays.remove(displayId);
+ mWindowManager.onDisplayRemoved(displayId);
}
}
- mWindowManager.onDisplayRemoved(displayId);
}
private void handleDisplayChanged(int displayId) {
synchronized (mService) {
ActivityDisplay activityDisplay = mActivityDisplays.get(displayId);
if (activityDisplay != null) {
+ // The window policy is responsible for stopping activities on the default display
+ if (displayId != Display.DEFAULT_DISPLAY) {
+ int displayState = activityDisplay.mDisplay.getState();
+ if (displayState == Display.STATE_OFF && activityDisplay.mOffToken == null) {
+ activityDisplay.mOffToken =
+ mService.acquireSleepToken("Display-off", displayId);
+ } else if (displayState == Display.STATE_ON
+ && activityDisplay.mOffToken != null) {
+ activityDisplay.mOffToken.release();
+ activityDisplay.mOffToken = null;
+ }
+ }
// TODO: Update the bounds.
}
+ mWindowManager.onDisplayChanged(displayId);
+ }
+ }
+
+ SleepToken createSleepTokenLocked(String tag, int displayId) {
+ ActivityDisplay display = mActivityDisplays.get(displayId);
+ if (display == null) {
+ throw new IllegalArgumentException("Invalid display: " + displayId);
+ }
+
+ final SleepTokenImpl token = new SleepTokenImpl(tag, displayId);
+ mSleepTokens.add(token);
+ display.mAllSleepTokens.add(token);
+ return token;
+ }
+
+ private void removeSleepTokenLocked(SleepTokenImpl token) {
+ mSleepTokens.remove(token);
+
+ ActivityDisplay display = mActivityDisplays.get(token.mDisplayId);
+ if (display != null) {
+ display.mAllSleepTokens.remove(token);
+ if (display.mAllSleepTokens.isEmpty()) {
+ mService.updateSleepIfNeededLocked();
+ }
+ }
+ }
+
+ private void releaseSleepTokens(ActivityDisplay display) {
+ if (display.mAllSleepTokens.isEmpty()) {
+ return;
}
- mWindowManager.onDisplayChanged(displayId);
+ for (SleepTokenImpl token : display.mAllSleepTokens) {
+ mSleepTokens.remove(token);
+ }
+ display.mAllSleepTokens.clear();
+
+ mService.updateSleepIfNeededLocked();
}
private StackInfo getStackInfoLocked(ActivityStack stack) {
+ final int displayId = stack.mDisplayId;
+ final ActivityDisplay display = mActivityDisplays.get(displayId);
StackInfo info = new StackInfo();
- mWindowManager.getStackBounds(stack.mStackId, info.bounds);
- info.displayId = Display.DEFAULT_DISPLAY;
+ stack.getWindowContainerBounds(info.bounds);
+ info.displayId = displayId;
info.stackId = stack.mStackId;
+ info.userId = stack.mCurrentUser;
+ info.visible = stack.shouldBeVisible(null) == STACK_VISIBLE;
+ // A stack might be not attached to a display.
+ info.position = display != null
+ ? display.mStacks.indexOf(stack)
+ : 0;
ArrayList<TaskRecord> tasks = stack.getAllTasks();
final int numTasks = tasks.size();
int[] taskIds = new int[numTasks];
String[] taskNames = new String[numTasks];
+ Rect[] taskBounds = new Rect[numTasks];
+ int[] taskUserIds = new int[numTasks];
for (int i = 0; i < numTasks; ++i) {
final TaskRecord task = tasks.get(i);
taskIds[i] = task.taskId;
: task.realActivity != null ? task.realActivity.flattenToString()
: task.getTopActivity() != null ? task.getTopActivity().packageName
: "unknown";
+ taskBounds[i] = new Rect();
+ task.getWindowContainerBounds(taskBounds[i]);
+ taskUserIds[i] = task.userId;
}
info.taskIds = taskIds;
info.taskNames = taskNames;
+ info.taskBounds = taskBounds;
+ info.taskUserIds = taskUserIds;
+
+ final ActivityRecord top = stack.topRunningActivityLocked();
+ info.topActivity = top != null ? top.intent.getComponent() : null;
return info;
}
}
ArrayList<StackInfo> getAllStackInfosLocked() {
- ArrayList<StackInfo> list = new ArrayList<StackInfo>();
+ ArrayList<StackInfo> list = new ArrayList<>();
for (int displayNdx = 0; displayNdx < mActivityDisplays.size(); ++displayNdx) {
ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks;
for (int ndx = stacks.size() - 1; ndx >= 0; --ndx) {
if (!mLockTaskModeTasks.remove(task)) {
return;
}
- if (DEBUG_LOCKTASK) Slog.w(TAG_LOCKTASK, "removeLockedTaskLocked: removed " + task);
- if (mLockTaskModeTasks.isEmpty()) {
- // Last one.
- if (DEBUG_LOCKTASK) Slog.d(TAG_LOCKTASK, "removeLockedTask: task=" + task +
- " last task, reverting locktask mode. Callers=" + Debug.getCallers(3));
- final Message lockTaskMsg = Message.obtain();
- lockTaskMsg.arg1 = task.userId;
- lockTaskMsg.what = LOCK_TASK_END_MSG;
- mHandler.sendMessage(lockTaskMsg);
+ if (DEBUG_LOCKTASK) Slog.w(TAG_LOCKTASK, "removeLockedTaskLocked: removed " + task);
+ if (mLockTaskModeTasks.isEmpty()) {
+ // Last one.
+ if (DEBUG_LOCKTASK) Slog.d(TAG_LOCKTASK, "removeLockedTask: task=" + task +
+ " last task, reverting locktask mode. Callers=" + Debug.getCallers(3));
+ final Message lockTaskMsg = Message.obtain();
+ lockTaskMsg.arg1 = task.userId;
+ lockTaskMsg.what = LOCK_TASK_END_MSG;
+ mHandler.sendMessage(lockTaskMsg);
+ }
+ }
+
+ void handleNonResizableTaskIfNeeded(TaskRecord task, int preferredStackId,
+ int preferredDisplayId, int actualStackId) {
+ handleNonResizableTaskIfNeeded(task, preferredStackId, preferredDisplayId, actualStackId,
+ false /* forceNonResizable */);
+ }
+
+ private void handleNonResizableTaskIfNeeded(TaskRecord task, int preferredStackId,
+ int preferredDisplayId, int actualStackId, boolean forceNonResizable) {
+ final boolean isSecondaryDisplayPreferred =
+ (preferredDisplayId != DEFAULT_DISPLAY && preferredDisplayId != INVALID_DISPLAY)
+ || StackId.isDynamicStack(preferredStackId);
+ if (((!isStackDockedInEffect(actualStackId) && preferredStackId != DOCKED_STACK_ID)
+ && !isSecondaryDisplayPreferred) || task.isHomeTask()) {
+ return;
+ }
+
+ // Handle incorrect launch/move to secondary display if needed.
+ final boolean launchOnSecondaryDisplayFailed;
+ if (isSecondaryDisplayPreferred) {
+ final int actualDisplayId = task.getStack().mDisplayId;
+ if (!task.canBeLaunchedOnDisplay(actualDisplayId)) {
+ // The task landed on an inappropriate display somehow, move it to the default
+ // display.
+ // TODO(multi-display): Find proper stack for the task on the default display.
+ mService.moveTaskToStack(task.taskId, FULLSCREEN_WORKSPACE_STACK_ID,
+ true /* toTop */);
+ launchOnSecondaryDisplayFailed = true;
+ } else {
+ // The task might have landed on a display different from requested.
+ launchOnSecondaryDisplayFailed = actualDisplayId == DEFAULT_DISPLAY
+ || (preferredDisplayId != INVALID_DISPLAY
+ && preferredDisplayId != actualDisplayId);
+ }
+ } else {
+ // The task wasn't requested to be on a secondary display.
+ launchOnSecondaryDisplayFailed = false;
+ }
+
+ final ActivityRecord topActivity = task.getTopActivity();
+ if (launchOnSecondaryDisplayFailed || !task.supportsSplitScreen() || forceNonResizable) {
+ if (launchOnSecondaryDisplayFailed) {
+ // Display a warning toast that we tried to put a non-resizeable task on a secondary
+ // display with config different from global config.
+ mService.mTaskChangeNotificationController
+ .notifyActivityLaunchOnSecondaryDisplayFailed();
+ } else {
+ // Display a warning toast that we tried to put a non-dockable task in the docked
+ // stack.
+ mService.mTaskChangeNotificationController.notifyActivityDismissingDockedStack();
+ }
+
+ // Dismiss docked stack. If task appeared to be in docked stack but is not resizable -
+ // we need to move it to top of fullscreen stack, otherwise it will be covered.
+ moveTasksToFullscreenStackLocked(DOCKED_STACK_ID, actualStackId == DOCKED_STACK_ID);
+ } else if (topActivity != null && topActivity.isNonResizableOrForcedResizable()
+ && !topActivity.noDisplay) {
+ final String packageName = topActivity.appInfo.packageName;
+ final int reason = isSecondaryDisplayPreferred
+ ? FORCED_RESIZEABLE_REASON_SECONDARY_DISPLAY
+ : FORCED_RESIZEABLE_REASON_SPLIT_SCREEN;
+ mService.mTaskChangeNotificationController.notifyActivityForcedResizable(
+ task.taskId, reason, packageName);
}
}
if (DEBUG_LOCKTASK) Slog.w(TAG_LOCKTASK,
"setLockTaskModeLocked: Tasks remaining, can't unlock");
lockedTask.performClearTaskLocked();
- resumeTopActivitiesLocked();
+ resumeFocusedStackTopActivityLocked();
return;
}
}
mLockTaskModeTasks.add(task);
if (task.mLockTaskUid == -1) {
- task.mLockTaskUid = task.mCallingUid;
+ task.mLockTaskUid = task.effectiveUid;
}
if (andResume) {
- findTaskToMoveToFrontLocked(task, 0, null, reason);
- resumeTopActivitiesLocked();
+ findTaskToMoveToFrontLocked(task, 0, null, reason,
+ lockTaskModeState != LOCK_TASK_MODE_NONE);
+ resumeFocusedStackTopActivityLocked();
+ mWindowManager.executeAppTransition();
+ } else if (lockTaskModeState != LOCK_TASK_MODE_NONE) {
+ handleNonResizableTaskIfNeeded(task, INVALID_STACK_ID, DEFAULT_DISPLAY,
+ task.getStackId(), true /* forceNonResizable */);
}
}
}
}
final ActivityRecord r = topRunningActivityLocked();
- final TaskRecord task = r != null ? r.task : null;
+ final TaskRecord task = r != null ? r.getTask() : null;
if (mLockTaskModeTasks.isEmpty() && task != null
&& task.mLockTaskAuth == LOCK_TASK_AUTH_LAUNCHABLE) {
// This task must have just been authorized.
didSomething = true;
}
if (didSomething) {
- resumeTopActivitiesLocked();
+ resumeFocusedStackTopActivityLocked();
}
}
return mLockTaskModeState;
}
+ void activityRelaunchedLocked(IBinder token) {
+ mWindowManager.notifyAppRelaunchingFinished(token);
+ final ActivityRecord r = ActivityRecord.isInStackLocked(token);
+ if (r != null) {
+ if (r.getStack().shouldSleepOrShutDownActivities()) {
+ r.setSleeping(true, true);
+ }
+ }
+ }
+
+ void activityRelaunchingLocked(ActivityRecord r) {
+ mWindowManager.notifyAppRelaunching(r.appToken);
+ }
+
+ void logStackState() {
+ mActivityMetricsLogger.logWindowState();
+ }
+
+ void scheduleUpdateMultiWindowMode(TaskRecord task) {
+ // If the stack is animating in a way where we will be forcing a multi-mode change at the
+ // end, then ensure that we defer all in between multi-window mode changes
+ if (task.getStack().deferScheduleMultiWindowModeChanged()) {
+ return;
+ }
+
+ for (int i = task.mActivities.size() - 1; i >= 0; i--) {
+ final ActivityRecord r = task.mActivities.get(i);
+ if (r.app != null && r.app.thread != null) {
+ mMultiWindowModeChangedActivities.add(r);
+ }
+ }
+
+ if (!mHandler.hasMessages(REPORT_MULTI_WINDOW_MODE_CHANGED_MSG)) {
+ mHandler.sendEmptyMessage(REPORT_MULTI_WINDOW_MODE_CHANGED_MSG);
+ }
+ }
+
+ void scheduleUpdatePictureInPictureModeIfNeeded(TaskRecord task, ActivityStack prevStack) {
+ final ActivityStack stack = task.getStack();
+ if (prevStack == null || prevStack == stack
+ || (prevStack.mStackId != PINNED_STACK_ID && stack.mStackId != PINNED_STACK_ID)) {
+ return;
+ }
+
+ scheduleUpdatePictureInPictureModeIfNeeded(task, stack.mBounds);
+ }
+
+ void scheduleUpdatePictureInPictureModeIfNeeded(TaskRecord task, Rect targetStackBounds) {
+ for (int i = task.mActivities.size() - 1; i >= 0; i--) {
+ final ActivityRecord r = task.mActivities.get(i);
+ if (r.app != null && r.app.thread != null) {
+ mPipModeChangedActivities.add(r);
+ }
+ }
+ mPipModeChangedTargetStackBounds = targetStackBounds;
+
+ if (!mHandler.hasMessages(REPORT_PIP_MODE_CHANGED_MSG)) {
+ mHandler.sendEmptyMessage(REPORT_PIP_MODE_CHANGED_MSG);
+ }
+ }
+
+ void updatePictureInPictureMode(TaskRecord task, Rect targetStackBounds, boolean forceUpdate) {
+ mHandler.removeMessages(REPORT_PIP_MODE_CHANGED_MSG);
+ for (int i = task.mActivities.size() - 1; i >= 0; i--) {
+ final ActivityRecord r = task.mActivities.get(i);
+ if (r.app != null && r.app.thread != null) {
+ r.updatePictureInPictureMode(targetStackBounds, forceUpdate);
+ }
+ }
+ }
+
+ void setDockedStackMinimized(boolean minimized) {
+ mIsDockMinimized = minimized;
+ }
+
+ void wakeUp(String reason) {
+ mPowerManager.wakeUp(SystemClock.uptimeMillis(), "android.server.am:TURN_ON:" + reason);
+ }
+
+ /**
+ * Begin deferring resume to avoid duplicate resumes in one pass.
+ */
+ private void beginDeferResume() {
+ mDeferResumeCount++;
+ }
+
+ /**
+ * End deferring resume and determine if resume can be called.
+ */
+ private void endDeferResume() {
+ mDeferResumeCount--;
+ }
+
+ /**
+ * @return True if resume can be called.
+ */
+ private boolean readyToResume() {
+ return mDeferResumeCount == 0;
+ }
+
private final class ActivityStackSupervisorHandler extends Handler {
public ActivityStackSupervisorHandler(Looper looper) {
super(looper);
}
- void activityIdleInternal(ActivityRecord r) {
+ void activityIdleInternal(ActivityRecord r, boolean processPausingActivities) {
synchronized (mService) {
- activityIdleInternalLocked(r != null ? r.appToken : null, true, null);
+ activityIdleInternalLocked(r != null ? r.appToken : null, true /* fromTimeout */,
+ processPausingActivities, null);
}
}
@Override
public void handleMessage(Message msg) {
switch (msg.what) {
+ case REPORT_MULTI_WINDOW_MODE_CHANGED_MSG: {
+ synchronized (mService) {
+ for (int i = mMultiWindowModeChangedActivities.size() - 1; i >= 0; i--) {
+ final ActivityRecord r = mMultiWindowModeChangedActivities.remove(i);
+ r.updateMultiWindowMode();
+ }
+ }
+ } break;
+ case REPORT_PIP_MODE_CHANGED_MSG: {
+ synchronized (mService) {
+ for (int i = mPipModeChangedActivities.size() - 1; i >= 0; i--) {
+ final ActivityRecord r = mPipModeChangedActivities.remove(i);
+ r.updatePictureInPictureMode(mPipModeChangedTargetStackBounds,
+ false /* forceUpdate */);
+ }
+ }
+ } break;
case IDLE_TIMEOUT_MSG: {
if (DEBUG_IDLE) Slog.d(TAG_IDLE,
"handleMessage: IDLE_TIMEOUT_MSG: r=" + msg.obj);
- if (mService.mDidDexOpt) {
- mService.mDidDexOpt = false;
- Message nmsg = mHandler.obtainMessage(IDLE_TIMEOUT_MSG);
- nmsg.obj = msg.obj;
- mHandler.sendMessageDelayed(nmsg, IDLE_TIMEOUT);
- return;
- }
// We don't at this point know if the activity is fullscreen,
// so we need to be conservative and assume it isn't.
- activityIdleInternal((ActivityRecord)msg.obj);
+ activityIdleInternal((ActivityRecord) msg.obj,
+ true /* processPausingActivities */);
} break;
case IDLE_NOW_MSG: {
if (DEBUG_IDLE) Slog.d(TAG_IDLE, "handleMessage: IDLE_NOW_MSG: r=" + msg.obj);
- activityIdleInternal((ActivityRecord)msg.obj);
+ activityIdleInternal((ActivityRecord) msg.obj,
+ false /* processPausingActivities */);
} break;
case RESUME_TOP_ACTIVITY_MSG: {
synchronized (mService) {
- resumeTopActivitiesLocked();
+ resumeFocusedStackTopActivityLocked();
}
} break;
case SLEEP_TIMEOUT_MSG: {
synchronized (mService) {
- if (mService.isSleepingOrShuttingDown()) {
+ if (mService.isSleepingOrShuttingDownLocked()) {
Slog.w(TAG, "Sleep timeout! Sleeping now.");
- mSleepTimeout = true;
- checkReadyForSleepLocked();
+ checkReadyForSleepLocked(false /* allowDelay */);
}
}
} break;
case LAUNCH_TIMEOUT_MSG: {
- if (mService.mDidDexOpt) {
- mService.mDidDexOpt = false;
- mHandler.sendEmptyMessageDelayed(LAUNCH_TIMEOUT_MSG, LAUNCH_TIMEOUT);
- return;
- }
synchronized (mService) {
if (mLaunchingActivity.isHeld()) {
Slog.w(TAG, "Launch timeout has expired, giving up wake lock!");
case HANDLE_DISPLAY_REMOVED: {
handleDisplayRemoved(msg.arg1);
} break;
- case CONTAINER_CALLBACK_VISIBILITY: {
- final ActivityContainer container = (ActivityContainer) msg.obj;
- final IActivityContainerCallback callback = container.mCallback;
- if (callback != null) {
- try {
- callback.setVisible(container.asBinder(), msg.arg1 == 1);
- } catch (RemoteException e) {
- }
- }
- } break;
case LOCK_TASK_START_MSG: {
// When lock task starts, we disable the status bars.
try {
mLockTaskNotify = new LockTaskNotify(mService.mContext);
}
mLockTaskNotify.show(false);
- try {
- boolean shouldLockKeyguard = Settings.Secure.getInt(
- mService.mContext.getContentResolver(),
- Settings.Secure.LOCK_TO_APP_EXIT_LOCKED) != 0;
- if (mLockTaskModeState == LOCK_TASK_MODE_PINNED && shouldLockKeyguard) {
- mWindowManager.lockNow(null);
- mWindowManager.dismissKeyguard();
- new LockPatternUtils(mService.mContext)
- .requireCredentialEntry(UserHandle.USER_ALL);
- }
- } catch (SettingNotFoundException e) {
- // No setting, don't lock.
+ if (mLockTaskModeState == LOCK_TASK_MODE_PINNED && shouldLockKeyguard()) {
+ mWindowManager.lockNow(null);
+ mWindowManager.dismissKeyguard(null /* callback */);
+ new LockPatternUtils(mService.mContext)
+ .requireCredentialEntry(UserHandle.USER_ALL);
}
} catch (RemoteException ex) {
throw new RuntimeException(ex);
}
mLockTaskNotify.showToast(LOCK_TASK_MODE_PINNED);
} break;
- case CONTAINER_CALLBACK_TASK_LIST_EMPTY: {
- final ActivityContainer container = (ActivityContainer) msg.obj;
- final IActivityContainerCallback callback = container.mCallback;
- if (callback != null) {
- try {
- callback.onAllActivitiesComplete(container.asBinder());
- } catch (RemoteException e) {
- }
- }
- } break;
case LAUNCH_TASK_BEHIND_COMPLETE: {
synchronized (mService) {
ActivityRecord r = ActivityRecord.forTokenLocked((IBinder) msg.obj);
}
}
} break;
+
}
}
}
- class ActivityContainer extends android.app.IActivityContainer.Stub {
- final static int FORCE_NEW_TASK_FLAGS = Intent.FLAG_ACTIVITY_NEW_TASK |
- Intent.FLAG_ACTIVITY_MULTIPLE_TASK | Intent.FLAG_ACTIVITY_NO_ANIMATION;
- final int mStackId;
- IActivityContainerCallback mCallback = null;
- final ActivityStack mStack;
- ActivityRecord mParentActivity = null;
- String mIdString;
-
- boolean mVisible = true;
-
- /** Display this ActivityStack is currently on. Null if not attached to a Display. */
- ActivityDisplay mActivityDisplay;
+ private boolean shouldLockKeyguard() {
+ // This functionality should be kept consistent with
+ // com.android.settings.security.ScreenPinningSettings (see b/127605586)
+ try {
+ return Settings.Secure.getIntForUser(
+ mService.mContext.getContentResolver(),
+ Settings.Secure.LOCK_TO_APP_EXIT_LOCKED,
+ UserHandle.USER_CURRENT) != 0;
+ } catch (Settings.SettingNotFoundException e) {
+ // Log to SafetyNet for b/127605586
+ android.util.EventLog.writeEvent(0x534e4554, "127605586", -1, "");
+ LockPatternUtils lockPatternUtils = new LockPatternUtils(mService.mContext);
+ return lockPatternUtils.isSecure(mCurrentUser);
+ }
+ }
- final static int CONTAINER_STATE_HAS_SURFACE = 0;
- final static int CONTAINER_STATE_NO_SURFACE = 1;
- final static int CONTAINER_STATE_FINISHING = 2;
- int mContainerState = CONTAINER_STATE_HAS_SURFACE;
+ // TODO: Move to its own file.
+ /** Exactly one of these classes per Display in the system. Capable of holding zero or more
+ * attached {@link ActivityStack}s */
+ class ActivityDisplay extends ConfigurationContainer {
+ /** Actual Display this object tracks. */
+ int mDisplayId;
+ Display mDisplay;
- ActivityContainer(int stackId) {
- synchronized (mService) {
- mStackId = stackId;
- mStack = new ActivityStack(this, mRecentTasks);
- mIdString = "ActivtyContainer{" + mStackId + "}";
- if (DEBUG_STACK) Slog.d(TAG_STACK, "Creating " + this);
- }
- }
+ /** All of the stacks on this display. Order matters, topmost stack is in front of all other
+ * stacks, bottommost behind. Accessed directly by ActivityManager package classes */
+ final ArrayList<ActivityStack> mStacks = new ArrayList<>();
- void attachToDisplayLocked(ActivityDisplay activityDisplay) {
- if (DEBUG_STACK) Slog.d(TAG_STACK, "attachToDisplayLocked: " + this
- + " to display=" + activityDisplay);
- mActivityDisplay = activityDisplay;
- mStack.mDisplayId = activityDisplay.mDisplayId;
- mStack.mStacks = activityDisplay.mStacks;
+ /** Array of all UIDs that are present on the display. */
+ private IntArray mDisplayAccessUIDs = new IntArray();
- activityDisplay.attachActivities(mStack);
- mWindowManager.attachStack(mStackId, activityDisplay.mDisplayId);
- }
+ /** All tokens used to put activities on this stack to sleep (including mOffToken) */
+ final ArrayList<SleepTokenImpl> mAllSleepTokens = new ArrayList<>();
+ /** The token acquired by ActivityStackSupervisor to put stacks on the display to sleep */
+ SleepToken mOffToken;
- @Override
- public void attachToDisplay(int displayId) {
- synchronized (mService) {
- ActivityDisplay activityDisplay = mActivityDisplays.get(displayId);
- if (activityDisplay == null) {
- return;
- }
- attachToDisplayLocked(activityDisplay);
- }
- }
+ private boolean mSleeping;
- @Override
- public int getDisplayId() {
- synchronized (mService) {
- if (mActivityDisplay != null) {
- return mActivityDisplay.mDisplayId;
- }
- }
- return -1;
+ @VisibleForTesting
+ ActivityDisplay() {
+ mActivityDisplays.put(mDisplayId, this);
}
- @Override
- public int getStackId() {
- synchronized (mService) {
- return mStackId;
+ // After instantiation, check that mDisplay is not null before using this. The alternative
+ // is for this to throw an exception if mDisplayManager.getDisplay() returns null.
+ ActivityDisplay(int displayId) {
+ final Display display = mDisplayManager.getDisplay(displayId);
+ if (display == null) {
+ return;
}
+ init(display);
}
- @Override
- public boolean injectEvent(InputEvent event) {
- final long origId = Binder.clearCallingIdentity();
- try {
- synchronized (mService) {
- if (mActivityDisplay != null) {
- return mInputManagerInternal.injectInputEvent(event,
- mActivityDisplay.mDisplayId,
- InputManager.INJECT_INPUT_EVENT_MODE_ASYNC);
- }
- }
- return false;
- } finally {
- Binder.restoreCallingIdentity(origId);
- }
+ void init(Display display) {
+ mDisplay = display;
+ mDisplayId = display.getDisplayId();
}
- @Override
- public void release() {
- synchronized (mService) {
- if (mContainerState == CONTAINER_STATE_FINISHING) {
- return;
- }
- mContainerState = CONTAINER_STATE_FINISHING;
-
- long origId = Binder.clearCallingIdentity();
- try {
- mStack.finishAllActivitiesLocked(false);
- removePendingActivityLaunchesLocked(mStack);
- } finally {
- Binder.restoreCallingIdentity(origId);
- }
- }
+ void attachStack(ActivityStack stack, int position) {
+ if (DEBUG_STACK) Slog.v(TAG_STACK, "attachStack: attaching " + stack
+ + " to displayId=" + mDisplayId + " position=" + position);
+ mStacks.add(position, stack);
+ mService.updateSleepIfNeededLocked();
}
- protected void detachLocked() {
- if (DEBUG_STACK) Slog.d(TAG_STACK, "detachLocked: " + this + " from display="
- + mActivityDisplay + " Callers=" + Debug.getCallers(2));
- if (mActivityDisplay != null) {
- mActivityDisplay.detachActivitiesLocked(mStack);
- mActivityDisplay = null;
- mStack.mDisplayId = -1;
- mStack.mStacks = null;
- mWindowManager.detachStack(mStackId);
- }
+ void detachStack(ActivityStack stack) {
+ if (DEBUG_STACK) Slog.v(TAG_STACK, "detachStack: detaching " + stack
+ + " from displayId=" + mDisplayId);
+ mStacks.remove(stack);
+ mService.updateSleepIfNeededLocked();
}
@Override
- public final int startActivity(Intent intent) {
- mService.enforceNotIsolatedCaller("ActivityContainer.startActivity");
- final int userId = mService.handleIncomingUser(Binder.getCallingPid(),
- Binder.getCallingUid(), mCurrentUser, false,
- ActivityManagerService.ALLOW_FULL_ONLY, "ActivityContainer", null);
-
- // TODO: Switch to user app stacks here.
- String mimeType = intent.getType();
- final Uri data = intent.getData();
- if (mimeType == null && data != null && "content".equals(data.getScheme())) {
- mimeType = mService.getProviderMimeType(data, userId);
- }
- checkEmbeddedAllowedInner(userId, intent, mimeType);
-
- intent.addFlags(FORCE_NEW_TASK_FLAGS);
- return startActivityMayWait(null, -1, null, intent, mimeType, null, null, null, null,
- 0, 0, null, null, null, null, false, userId, this, null);
+ public String toString() {
+ return "ActivityDisplay={" + mDisplayId + " numStacks=" + mStacks.size() + "}";
}
@Override
- public final int startActivityIntentSender(IIntentSender intentSender)
- throws TransactionTooLargeException {
- mService.enforceNotIsolatedCaller("ActivityContainer.startActivityIntentSender");
-
- if (!(intentSender instanceof PendingIntentRecord)) {
- throw new IllegalArgumentException("Bad PendingIntent object");
- }
-
- final int userId = mService.handleIncomingUser(Binder.getCallingPid(),
- Binder.getCallingUid(), mCurrentUser, false,
- ActivityManagerService.ALLOW_FULL_ONLY, "ActivityContainer", null);
-
- final PendingIntentRecord pendingIntent = (PendingIntentRecord) intentSender;
- checkEmbeddedAllowedInner(userId, pendingIntent.key.requestIntent,
- pendingIntent.key.requestResolvedType);
-
- return pendingIntent.sendInner(0, null, null, null, null, null, null, 0,
- FORCE_NEW_TASK_FLAGS, FORCE_NEW_TASK_FLAGS, null, this);
- }
-
- private void checkEmbeddedAllowedInner(int userId, Intent intent, String resolvedType) {
- ActivityInfo aInfo = resolveActivity(intent, resolvedType, 0, null, userId);
- if (aInfo != null && (aInfo.flags & ActivityInfo.FLAG_ALLOW_EMBEDDED) == 0) {
- throw new SecurityException(
- "Attempt to embed activity that has not set allowEmbedded=\"true\"");
- }
+ protected int getChildCount() {
+ return mStacks.size();
}
@Override
- public IBinder asBinder() {
- return this;
+ protected ConfigurationContainer getChildAt(int index) {
+ return mStacks.get(index);
}
@Override
- public void setSurface(Surface surface, int width, int height, int density) {
- mService.enforceNotIsolatedCaller("ActivityContainer.attachToSurface");
- }
-
- ActivityStackSupervisor getOuter() {
+ protected ConfigurationContainer getParent() {
return ActivityStackSupervisor.this;
}
- boolean isAttachedLocked() {
- return mActivityDisplay != null;
+ boolean isPrivate() {
+ return (mDisplay.getFlags() & FLAG_PRIVATE) != 0;
}
- void getBounds(Point outBounds) {
- synchronized (mService) {
- if (mActivityDisplay != null) {
- mActivityDisplay.getBounds(outBounds);
- } else {
- outBounds.set(0, 0);
+ boolean isUidPresent(int uid) {
+ for (ActivityStack stack : mStacks) {
+ if (stack.isUidPresent(uid)) {
+ return true;
}
}
+ return false;
}
- // TODO: Make sure every change to ActivityRecord.visible results in a call to this.
- void setVisible(boolean visible) {
- if (mVisible != visible) {
- mVisible = visible;
- if (mCallback != null) {
- mHandler.obtainMessage(CONTAINER_CALLBACK_VISIBILITY, visible ? 1 : 0,
- 0 /* unused */, this).sendToTarget();
- }
+ /** Update and get all UIDs that are present on the display and have access to it. */
+ private IntArray getPresentUIDs() {
+ mDisplayAccessUIDs.clear();
+ for (ActivityStack stack : mStacks) {
+ stack.getPresentUIDs(mDisplayAccessUIDs);
}
+ return mDisplayAccessUIDs;
}
- void setDrawn() {
+ boolean shouldDestroyContentOnRemove() {
+ return mDisplay.getRemoveMode() == REMOVE_MODE_DESTROY_CONTENT;
}
- // You can always start a new task on a regular ActivityStack.
- boolean isEligibleForNewTasks() {
- return true;
+ boolean shouldSleep() {
+ return (mStacks.isEmpty() || !mAllSleepTokens.isEmpty())
+ && (mService.mRunningVoice == null);
}
- void onTaskListEmptyLocked() {
- detachLocked();
- deleteActivityContainer(this);
- mHandler.obtainMessage(CONTAINER_CALLBACK_TASK_LIST_EMPTY, this).sendToTarget();
+ boolean isSleeping() {
+ return mSleeping;
}
- @Override
- public String toString() {
- return mIdString + (mActivityDisplay == null ? "N" : "A");
+ void setIsSleeping(boolean asleep) {
+ mSleeping = asleep;
}
}
- private class VirtualActivityContainer extends ActivityContainer {
- Surface mSurface;
- boolean mDrawn = false;
-
- VirtualActivityContainer(ActivityRecord parent, IActivityContainerCallback callback) {
- super(getNextStackId());
- mParentActivity = parent;
- mCallback = callback;
- mContainerState = CONTAINER_STATE_NO_SURFACE;
- mIdString = "VirtualActivityContainer{" + mStackId + ", parent=" + mParentActivity + "}";
+ ActivityStack findStackBehind(ActivityStack stack) {
+ // TODO(multi-display): We are only looking for stacks on the default display.
+ final ActivityDisplay display = mActivityDisplays.get(DEFAULT_DISPLAY);
+ if (display == null) {
+ return null;
}
-
- @Override
- public void setSurface(Surface surface, int width, int height, int density) {
- super.setSurface(surface, width, height, density);
-
- synchronized (mService) {
- final long origId = Binder.clearCallingIdentity();
- try {
- setSurfaceLocked(surface, width, height, density);
- } finally {
- Binder.restoreCallingIdentity(origId);
- }
+ final ArrayList<ActivityStack> stacks = display.mStacks;
+ for (int i = stacks.size() - 1; i >= 0; i--) {
+ if (stacks.get(i) == stack && i > 0) {
+ return stacks.get(i - 1);
}
}
+ throw new IllegalStateException("Failed to find a stack behind stack=" + stack
+ + " in=" + stacks);
+ }
- private void setSurfaceLocked(Surface surface, int width, int height, int density) {
- if (mContainerState == CONTAINER_STATE_FINISHING) {
- return;
- }
- VirtualActivityDisplay virtualActivityDisplay =
- (VirtualActivityDisplay) mActivityDisplay;
- if (virtualActivityDisplay == null) {
- virtualActivityDisplay =
- new VirtualActivityDisplay(width, height, density);
- mActivityDisplay = virtualActivityDisplay;
- mActivityDisplays.put(virtualActivityDisplay.mDisplayId, virtualActivityDisplay);
- attachToDisplayLocked(virtualActivityDisplay);
- }
-
- if (mSurface != null) {
- mSurface.release();
- }
-
- mSurface = surface;
- if (surface != null) {
- mStack.resumeTopActivityLocked(null);
- } else {
- mContainerState = CONTAINER_STATE_NO_SURFACE;
- ((VirtualActivityDisplay) mActivityDisplay).setSurface(null);
- if (mStack.mPausingActivity == null && mStack.mResumedActivity != null) {
- mStack.startPausingLocked(false, true, false, false);
+ /**
+ * Puts a task into resizing mode during the next app transition.
+ *
+ * @param task The task to put into resizing mode
+ */
+ private void setResizingDuringAnimation(TaskRecord task) {
+ mResizingTasksDuringAnimation.add(task.taskId);
+ task.setTaskDockedResizing(true);
+ }
+
+ final int startActivityFromRecentsInner(int taskId, Bundle bOptions) {
+ final TaskRecord task;
+ final int callingUid;
+ final String callingPackage;
+ final Intent intent;
+ final int userId;
+ final ActivityOptions activityOptions = (bOptions != null)
+ ? new ActivityOptions(bOptions) : null;
+ final int launchStackId = (activityOptions != null)
+ ? activityOptions.getLaunchStackId() : INVALID_STACK_ID;
+ if (StackId.isHomeOrRecentsStack(launchStackId)) {
+ throw new IllegalArgumentException("startActivityFromRecentsInner: Task "
+ + taskId + " can't be launch in the home/recents stack.");
+ }
+
+ mWindowManager.deferSurfaceLayout();
+ try {
+ if (launchStackId == DOCKED_STACK_ID) {
+ mWindowManager.setDockedStackCreateState(
+ activityOptions.getDockCreateMode(), null /* initialBounds */);
+
+ // Defer updating the stack in which recents is until the app transition is done, to
+ // not run into issues where we still need to draw the task in recents but the
+ // docked stack is already created.
+ deferUpdateBounds(RECENTS_STACK_ID);
+ mWindowManager.prepareAppTransition(TRANSIT_DOCK_TASK_FROM_RECENTS, false);
+ }
+
+ task = anyTaskForIdLocked(taskId, MATCH_TASK_IN_STACKS_OR_RECENT_TASKS_AND_RESTORE,
+ launchStackId);
+ if (task == null) {
+ continueUpdateBounds(RECENTS_STACK_ID);
+ mWindowManager.executeAppTransition();
+ throw new IllegalArgumentException(
+ "startActivityFromRecentsInner: Task " + taskId + " not found.");
+ }
+
+ // Since we don't have an actual source record here, we assume that the currently
+ // focused activity was the source.
+ final ActivityStack focusedStack = getFocusedStack();
+ final ActivityRecord sourceRecord =
+ focusedStack != null ? focusedStack.topActivity() : null;
+
+ if (launchStackId != INVALID_STACK_ID) {
+ if (task.getStackId() != launchStackId) {
+ task.reparent(launchStackId, ON_TOP, REPARENT_MOVE_STACK_TO_FRONT, ANIMATE,
+ DEFER_RESUME, "startActivityFromRecents");
}
}
- setSurfaceIfReadyLocked();
-
- if (DEBUG_STACK) Slog.d(TAG_STACK,
- "setSurface: " + this + " to display=" + virtualActivityDisplay);
- }
-
- @Override
- boolean isAttachedLocked() {
- return mSurface != null && super.isAttachedLocked();
- }
-
- @Override
- void setDrawn() {
- synchronized (mService) {
- mDrawn = true;
- setSurfaceIfReadyLocked();
- }
- }
-
- // Never start a new task on an ActivityView if it isn't explicitly specified.
- @Override
- boolean isEligibleForNewTasks() {
- return false;
- }
+ // If the user must confirm credentials (e.g. when first launching a work app and the
+ // Work Challenge is present) let startActivityInPackage handle the intercepting.
+ if (!mService.mUserController.shouldConfirmCredentials(task.userId)
+ && task.getRootActivity() != null) {
+ final ActivityRecord targetActivity = task.getTopActivity();
+
+ mService.mActivityStarter.sendPowerHintForLaunchStartIfNeeded(true /* forceSend */,
+ targetActivity);
+ mActivityMetricsLogger.notifyActivityLaunching();
+ mService.moveTaskToFrontLocked(task.taskId, 0, bOptions, true /* fromRecents */);
+ mActivityMetricsLogger.notifyActivityLaunched(ActivityManager.START_TASK_TO_FRONT,
+ targetActivity);
+
+ // If we are launching the task in the docked stack, put it into resizing mode so
+ // the window renders full-screen with the background filling the void. Also only
+ // call this at the end to make sure that tasks exists on the window manager side.
+ if (launchStackId == DOCKED_STACK_ID) {
+ setResizingDuringAnimation(task);
+ }
- private void setSurfaceIfReadyLocked() {
- if (DEBUG_STACK) Slog.v(TAG_STACK, "setSurfaceIfReadyLocked: mDrawn=" + mDrawn +
- " mContainerState=" + mContainerState + " mSurface=" + mSurface);
- if (mDrawn && mSurface != null && mContainerState == CONTAINER_STATE_NO_SURFACE) {
- ((VirtualActivityDisplay) mActivityDisplay).setSurface(mSurface);
- mContainerState = CONTAINER_STATE_HAS_SURFACE;
+ mService.mActivityStarter.postStartActivityProcessing(task.getTopActivity(),
+ ActivityManager.START_TASK_TO_FRONT,
+ sourceRecord != null
+ ? sourceRecord.getTask().getStackId() : INVALID_STACK_ID,
+ sourceRecord, task.getStack());
+ return ActivityManager.START_TASK_TO_FRONT;
}
+ callingUid = task.mCallingUid;
+ callingPackage = task.mCallingPackage;
+ intent = task.intent;
+ intent.addFlags(Intent.FLAG_ACTIVITY_LAUNCHED_FROM_HISTORY);
+ userId = task.userId;
+ int result = mService.startActivityInPackage(callingUid, callingPackage, intent, null,
+ null, null, 0, 0, bOptions, userId, task, "startActivityFromRecents");
+ if (launchStackId == DOCKED_STACK_ID) {
+ setResizingDuringAnimation(task);
+ }
+ return result;
+ } finally {
+ mWindowManager.continueSurfaceLayout();
}
}
- /** Exactly one of these classes per Display in the system. Capable of holding zero or more
- * attached {@link ActivityStack}s */
- class ActivityDisplay {
- /** Actual Display this object tracks. */
- int mDisplayId;
- Display mDisplay;
- DisplayInfo mDisplayInfo = new DisplayInfo();
-
- /** All of the stacks on this display. Order matters, topmost stack is in front of all other
- * stacks, bottommost behind. Accessed directly by ActivityManager package classes */
- final ArrayList<ActivityStack> mStacks = new ArrayList<ActivityStack>();
-
- ActivityRecord mVisibleBehindActivity;
-
- ActivityDisplay() {
- }
-
- // After instantiation, check that mDisplay is not null before using this. The alternative
- // is for this to throw an exception if mDisplayManager.getDisplay() returns null.
- ActivityDisplay(int displayId) {
- final Display display = mDisplayManager.getDisplay(displayId);
- if (display == null) {
- return;
+ /**
+ * @return a list of activities which are the top ones in each visible stack. The first
+ * entry will be the focused activity.
+ */
+ List<IBinder> getTopVisibleActivities() {
+ final ArrayList<IBinder> topActivityTokens = new ArrayList<>();
+ // Traverse all displays.
+ for (int i = mActivityDisplays.size() - 1; i >= 0; i--) {
+ final ActivityDisplay display = mActivityDisplays.valueAt(i);
+ // Traverse all stacks on a display.
+ for (int j = display.mStacks.size() - 1; j >= 0; j--) {
+ final ActivityStack stack = display.mStacks.get(j);
+ // Get top activity from a visible stack and add it to the list.
+ if (stack.shouldBeVisible(null /* starting */)
+ == ActivityStack.STACK_VISIBLE) {
+ final ActivityRecord top = stack.topActivity();
+ if (top != null) {
+ if (stack == mFocusedStack) {
+ topActivityTokens.add(0, top.appToken);
+ } else {
+ topActivityTokens.add(top.appToken);
+ }
+ }
+ }
}
- init(display);
- }
-
- void init(Display display) {
- mDisplay = display;
- mDisplayId = display.getDisplayId();
- mDisplay.getDisplayInfo(mDisplayInfo);
}
+ return topActivityTokens;
+ }
- void attachActivities(ActivityStack stack) {
- if (DEBUG_STACK) Slog.v(TAG_STACK,
- "attachActivities: attaching " + stack + " to displayId=" + mDisplayId);
- mStacks.add(stack);
- }
+ /**
+ * Internal container to store a match qualifier alongside a WaitResult.
+ */
+ static class WaitInfo {
+ private final ComponentName mTargetComponent;
+ private final WaitResult mResult;
- void detachActivitiesLocked(ActivityStack stack) {
- if (DEBUG_STACK) Slog.v(TAG_STACK, "detachActivitiesLocked: detaching " + stack
- + " from displayId=" + mDisplayId);
- mStacks.remove(stack);
+ public WaitInfo(ComponentName targetComponent, WaitResult result) {
+ this.mTargetComponent = targetComponent;
+ this.mResult = result;
}
- void getBounds(Point bounds) {
- mDisplay.getDisplayInfo(mDisplayInfo);
- bounds.x = mDisplayInfo.appWidth;
- bounds.y = mDisplayInfo.appHeight;
+ public boolean matches(ComponentName targetComponent) {
+ return mTargetComponent == null || mTargetComponent.equals(targetComponent);
}
- void setVisibleBehindActivity(ActivityRecord r) {
- mVisibleBehindActivity = r;
+ public WaitResult getResult() {
+ return mResult;
}
- boolean hasVisibleBehindActivity() {
- return mVisibleBehindActivity != null;
+ public ComponentName getComponent() {
+ return mTargetComponent;
}
- @Override
- public String toString() {
- return "ActivityDisplay={" + mDisplayId + " numStacks=" + mStacks.size() + "}";
+ public void dump(PrintWriter pw, String prefix) {
+ pw.println(prefix + "WaitInfo:");
+ pw.println(prefix + " mTargetComponent=" + mTargetComponent);
+ pw.println(prefix + " mResult=");
+ mResult.dump(pw, prefix);
}
}
- class VirtualActivityDisplay extends ActivityDisplay {
- VirtualDisplay mVirtualDisplay;
-
- VirtualActivityDisplay(int width, int height, int density) {
- DisplayManagerGlobal dm = DisplayManagerGlobal.getInstance();
- mVirtualDisplay = dm.createVirtualDisplay(mService.mContext, null,
- VIRTUAL_DISPLAY_BASE_NAME, width, height, density, null,
- DisplayManager.VIRTUAL_DISPLAY_FLAG_PUBLIC |
- DisplayManager.VIRTUAL_DISPLAY_FLAG_OWN_CONTENT_ONLY, null, null);
-
- init(mVirtualDisplay.getDisplay());
-
- mWindowManager.handleDisplayAdded(mDisplayId);
- }
+ private final class SleepTokenImpl extends SleepToken {
+ private final String mTag;
+ private final long mAcquireTime;
+ private final int mDisplayId;
- void setSurface(Surface surface) {
- if (mVirtualDisplay != null) {
- mVirtualDisplay.setSurface(surface);
- }
+ public SleepTokenImpl(String tag, int displayId) {
+ mTag = tag;
+ mDisplayId = displayId;
+ mAcquireTime = SystemClock.uptimeMillis();
}
@Override
- void detachActivitiesLocked(ActivityStack stack) {
- super.detachActivitiesLocked(stack);
- if (mVirtualDisplay != null) {
- mVirtualDisplay.release();
- mVirtualDisplay = null;
+ public void release() {
+ synchronized (mService) {
+ removeSleepTokenLocked(this);
}
}
@Override
public String toString() {
- return "VirtualActivityDisplay={" + mDisplayId + "}";
+ return "{\"" + mTag + "\", display " + mDisplayId
+ + ", acquire at " + TimeUtils.formatUptime(mAcquireTime) + "}";
}
}
- private boolean isLeanbackOnlyDevice() {
- boolean onLeanbackOnly = false;
- try {
- onLeanbackOnly = AppGlobals.getPackageManager().hasSystemFeature(
- PackageManager.FEATURE_LEANBACK_ONLY);
- } catch (RemoteException e) {
- // noop
- }
-
- return onLeanbackOnly;
- }
}