Merge "Merge "Fixed some issues with resuming already resumed activity" into... (783da325) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/am/ActivityStack.java

+27 −12

Original line number	Diff line number	Diff line
		@@ -74,6 +74,7 @@ import static com.android.server.am.ActivityRecord.STARTING_WINDOW_REMOVED;
		import static com.android.server.am.ActivityRecord.STARTING_WINDOW_SHOWN;
		import static com.android.server.am.ActivityStackSupervisor.FindTaskResult;
		import static com.android.server.am.ActivityStackSupervisor.MOVING;
		import static com.android.server.am.ActivityStackSupervisor.ON_TOP;
		import static com.android.server.am.ActivityStackSupervisor.PRESERVE_WINDOWS;
		import static com.android.server.wm.AppTransition.TRANSIT_ACTIVITY_CLOSE;
		import static com.android.server.wm.AppTransition.TRANSIT_ACTIVITY_OPEN;
		@@ -220,6 +221,17 @@ final class ActivityStack {
		// activities and there is a specific combination of stacks.
		static final int STACK_VISIBLE_ACTIVITY_BEHIND = 2;

		/* The various modes for the method {@link #removeTask}. */
		// Task is being completely removed from all stacks in the system.
		static final int REMOVE_TASK_MODE_DESTROYING = 0;
		// Task is being removed from this stack so we can add it to another stack. In the case we are
		// moving we don't want to perform some operations on the task like removing it from window
		// manager or recents.
		static final int REMOVE_TASK_MODE_MOVING = 1;
		// Similar to {@link #REMOVE_TASK_MODE_MOVING} and the task will be added to the top of its new
		// stack and the new stack will be on top of all stacks.
		static final int REMOVE_TASK_MODE_MOVING_TO_TOP = 2;

		final ActivityManagerService mService;
		final WindowManagerService mWindowManager;
		private final RecentTasks mRecentTasks;
		@@ -4919,18 +4931,18 @@ final class ActivityStack {
		}

		void removeTask(TaskRecord task, String reason) {
		removeTask(task, reason, !MOVING);
		removeTask(task, reason, REMOVE_TASK_MODE_DESTROYING);
		}

		/**
		* Removes the input task from this stack.
		* @param task to remove.
		* @param reason for removal.
		* @param moving task to another stack. In the case we are moving we don't want to perform
		* some operations on the task like removing it from window manager or recents.
		* @param mode task removal mode. Either {@link #REMOVE_TASK_MODE_DESTROYING},
		* {@link #REMOVE_TASK_MODE_MOVING}, {@link #REMOVE_TASK_MODE_MOVING_TO_TOP}.
		*/
		void removeTask(TaskRecord task, String reason, boolean moving) {
		if (!moving) {
		void removeTask(TaskRecord task, String reason, int mode) {
		if (mode == REMOVE_TASK_MODE_DESTROYING) {
		mStackSupervisor.removeLockedTaskLocked(task);
		mWindowManager.removeTask(task.taskId);
		if (!StackId.persistTaskBounds(mStackId)) {
		@@ -4956,7 +4968,7 @@ final class ActivityStack {
		mTaskHistory.remove(task);
		updateTaskMovement(task, true);

		if (!moving && task.mActivities.isEmpty()) {
		if (mode == REMOVE_TASK_MODE_DESTROYING && task.mActivities.isEmpty()) {
		// TODO: VI what about activity?
		final boolean isVoiceSession = task.voiceSession != null;
		if (isVoiceSession) {
		@@ -4975,8 +4987,10 @@ final class ActivityStack {

		if (mTaskHistory.isEmpty()) {
		if (DEBUG_STACK) Slog.i(TAG_STACK, "removeTask: removing stack=" + this);
		// We only need to adjust focused stack if this stack is in focus.
		if (isOnHomeDisplay() && mStackSupervisor.isFocusedStack(this)) {
		// We only need to adjust focused stack if this stack is in focus and we are not in the
		// process of moving the task to the top of the stack that will be focused.
		if (isOnHomeDisplay() && mode != REMOVE_TASK_MODE_MOVING_TO_TOP
		&& mStackSupervisor.isFocusedStack(this)) {
		String myReason = reason + " leftTaskHistoryEmpty";
		if (mFullscreen
		\|\| !adjustFocusToNextFocusableStackLocked(
		@@ -5024,7 +5038,7 @@ final class ActivityStack {
		}

		void addTask(final TaskRecord task, final boolean toTop, String reason) {
		final ActivityStack prevStack = preAddTask(task, reason);
		final ActivityStack prevStack = preAddTask(task, reason, toTop);

		task.stack = this;
		if (toTop) {
		@@ -5039,7 +5053,7 @@ final class ActivityStack {
		void positionTask(final TaskRecord task, int position) {
		final ActivityRecord topRunningActivity = task.topRunningActivityLocked();
		final boolean wasResumed = topRunningActivity == task.stack.mResumedActivity;
		final ActivityStack prevStack = preAddTask(task, "positionTask");
		final ActivityStack prevStack = preAddTask(task, "positionTask", ON_TOP);
		task.stack = this;
		insertTaskAtPosition(task, position);
		postAddTask(task, prevStack);
		@@ -5053,10 +5067,11 @@ final class ActivityStack {
		}
		}

		private ActivityStack preAddTask(TaskRecord task, String reason) {
		private ActivityStack preAddTask(TaskRecord task, String reason, boolean toTop) {
		final ActivityStack prevStack = task.stack;
		if (prevStack != null && prevStack != this) {
		prevStack.removeTask(task, reason, MOVING);
		prevStack.removeTask(task, reason,
		toTop ? REMOVE_TASK_MODE_MOVING_TO_TOP : REMOVE_TASK_MODE_MOVING);
		}
		return prevStack;
		}

services/core/java/com/android/server/am/ActivityStackSupervisor.java

+11 −4

Original line number	Diff line number	Diff line
		@@ -167,6 +167,7 @@ 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;
		@@ -1785,7 +1786,10 @@ public final class ActivityStackSupervisor implements DisplayListener {
		if (targetStack != null && isFocusedStack(targetStack)) {
		return targetStack.resumeTopActivityUncheckedLocked(target, targetOptions);
		}
		final ActivityRecord r = mFocusedStack.topRunningActivityLocked();
		if (r == null \|\| r.state != RESUMED) {
		mFocusedStack.resumeTopActivityUncheckedLocked(null, null);
		}
		return false;
		}

		@@ -2134,8 +2138,11 @@ public final class ActivityStackSupervisor implements DisplayListener {
		for (int i = 0; i < size; i++) {
		moveTaskToStackLocked(tasks.get(i).taskId,
		FULLSCREEN_WORKSPACE_STACK_ID, onTop, onTop /forceFocus/,
		"moveTasksToFullscreenStack", ANIMATE);
		"moveTasksToFullscreenStack", ANIMATE, DEFER_RESUME);
		}

		ensureActivitiesVisibleLocked(null, 0, PRESERVE_WINDOWS);
		resumeFocusedStackTopActivityLocked();
		} else {
		for (int i = size - 1; i >= 0; i--) {
		positionTaskInStackLocked(tasks.get(i).taskId,
		@@ -2338,7 +2345,7 @@ public final class ActivityStackSupervisor implements DisplayListener {
		}
		// Remove current stack association, so we can re-associate the task with the
		// right stack below.
		task.stack.removeTask(task, "restoreRecentTaskLocked", MOVING);
		task.stack.removeTask(task, "restoreRecentTaskLocked", REMOVE_TASK_MODE_MOVING);
		}

		final ActivityStack stack =
		@@ -2381,7 +2388,7 @@ public final class ActivityStackSupervisor implements DisplayListener {
		+ "support multi-window task=" + task + " to stackId=" + stackId);
		}

		final ActivityRecord r = task.getTopActivity();
		final ActivityRecord r = task.topRunningActivityLocked();
		final ActivityStack prevStack = task.stack;
		final boolean wasFocused = isFocusedStack(prevStack) && (topRunningActivityLocked() == r);
		final boolean wasResumed = prevStack.mResumedActivity == r;