Merge "Start recents animation to the target task in the stack" into pi-dev (37ccdaa4) · Commits · e / os / android_frameworks_base

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

+27 −3

Original line number	Diff line number	Diff line
		@@ -101,9 +101,7 @@ class RecentsAnimation implements RecentsAnimationCallbacks {
		: ACTIVITY_TYPE_HOME;
		final ActivityStack targetStack = mDefaultDisplay.getStack(WINDOWING_MODE_UNDEFINED,
		mTargetActivityType);
		ActivityRecord targetActivity = targetStack != null
		? targetStack.getTopActivity()
		: null;
		ActivityRecord targetActivity = getTargetActivity(targetStack, intent.getComponent());
		final boolean hasExistingActivity = targetActivity != null;
		if (hasExistingActivity) {
		final ActivityDisplay display = targetActivity.getDisplay();
		@@ -149,6 +147,14 @@ class RecentsAnimation implements RecentsAnimationCallbacks {
		display.moveStackBehindBottomMostVisibleStack(targetStack);
		if (DEBUG) Slog.d(TAG, "Moved stack=" + targetStack + " behind stack="
		+ display.getStackAbove(targetStack));

		// If there are multiple tasks in the target stack (ie. the home stack, with 3p
		// and default launchers coexisting), then move the task to the top as a part of
		// moving the stack to the front
		if (targetStack.topTask() != targetActivity.getTask()) {
		targetStack.addTask(targetActivity.getTask(), true /* toTop */,
		"startRecentsActivity");
		}
		} else {
		// No recents activity
		ActivityOptions options = ActivityOptions.makeBasic();
		@@ -332,4 +338,22 @@ class RecentsAnimation implements RecentsAnimationCallbacks {
		}
		return null;
		}

		/**
		* @return the top activity in the {@param targetStack} matching the {@param component}, or just
		* the top activity of the top task if no task matches the component.
		*/
		private ActivityRecord getTargetActivity(ActivityStack targetStack, ComponentName component) {
		if (targetStack == null) {
		return null;
		}

		for (int i = targetStack.getChildCount() - 1; i >= 0; i--) {
		final TaskRecord task = (TaskRecord) targetStack.getChildAt(i);
		if (task.getBaseIntent().getComponent().equals(component)) {
		return task.getTopActivity();
		}
		}
		return targetStack.getTopActivity();
		}
		}