Merge "Move pip behind home stack on dismiss" into rvc-dev am: 8b13052ddf (0ed4c2ef) · Commits · e / os / android_frameworks_base

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

+1 −13

Original line number	Diff line number	Diff line
		@@ -943,19 +943,7 @@ class ActivityStack extends Task {
		// task's ordering. However, we still need to move 'task' to back. The intention is that
		// this ends up behind the home-task so that it is made invisible; so, if the home task
		// is not a child of this, reparent 'task' to the back of the home task's actual parent.
		final ActivityStack home = displayArea.getOrCreateRootHomeTask();
		final WindowContainer homeParent = home.getParent();
		final Task homeParentTask = homeParent != null ? homeParent.asTask() : null;
		if (homeParentTask == null) {
		((ActivityStack) task).reparent(displayArea, false /* onTop */);
		} else if (homeParentTask == this) {
		// Apparently reparent early-outs if same stack, so we have to explicitly reorder.
		positionChildAtBottom(task);
		} else {
		task.reparent((ActivityStack) homeParentTask, false /* toTop */,
		REPARENT_LEAVE_STACK_IN_PLACE, false /* animate /, false / deferResume */,
		"moveToBack");
		}
		displayArea.positionTaskBehindHome((ActivityStack) task);
		}

		// TODO: Should each user have there own stacks?

+1 −5

Original line number	Diff line number	Diff line
		@@ -1441,11 +1441,7 @@ public class ActivityStackSupervisor implements RecentTasks.Callbacks {
		try {
		stack.setWindowingMode(WINDOWING_MODE_UNDEFINED);
		stack.setBounds(null);
		if (toDisplay.getDisplayId() != stack.getDisplayId()) {
		stack.reparent(toDisplay.getDefaultTaskDisplayArea(), false /* onTop */);
		} else {
		toDisplay.getDefaultTaskDisplayArea().positionStackAtBottom(stack);
		}
		toDisplay.getDefaultTaskDisplayArea().positionTaskBehindHome(stack);

		// Follow on the workaround: activities are kept force hidden till the new windowing
		// mode is set.

+26 −0

Original line number	Diff line number	Diff line
		@@ -765,6 +765,32 @@ final class TaskDisplayArea extends DisplayArea<ActivityStack> {
		onStackOrderChanged(stack);
		}

		/**
		* Moves/reparents `task` to the back of whatever container the home stack is in. This is for
		* when we just want to move a task to "the back" vs. a specific place. The primary use-case
		* is to make sure that moved-to-back apps go into secondary split when in split-screen mode.
		*/
		void positionTaskBehindHome(ActivityStack task) {
		final ActivityStack home = getOrCreateRootHomeTask();
		final WindowContainer homeParent = home.getParent();
		final Task homeParentTask = homeParent != null ? homeParent.asTask() : null;
		if (homeParentTask == null) {
		// reparent throws if parent didn't change...
		if (task.getParent() == this) {
		positionStackAtBottom(task);
		} else {
		task.reparent(this, false /* onTop */);
		}
		} else if (homeParentTask == task.getParent()) {
		// Apparently reparent early-outs if same stack, so we have to explicitly reorder.
		((ActivityStack) homeParentTask).positionChildAtBottom(task);
		} else {
		task.reparent((ActivityStack) homeParentTask, false /* toTop */,
		Task.REPARENT_LEAVE_STACK_IN_PLACE, false /* animate */,
		false /* deferResume */, "positionTaskBehindHome");
		}
		}

		ActivityStack getStack(int rootTaskId) {
		for (int i = getStackCount() - 1; i >= 0; --i) {
		final ActivityStack stack = getStackAt(i);