Merge "Fix stack reference is not updated if the task is organized" into... (a750866c) · Commits · e / os / android_frameworks_base

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

+5 −5

Original line number	Diff line number	Diff line
		@@ -1431,15 +1431,15 @@ class Task extends WindowContainer<WindowContainer> {

		@Override
		void removeChild(WindowContainer child) {
		// A rootable child task that is now being removed from an organized task. Making sure
		// the stack references is keep updated.
		if (mTaskOrganizer != null && mCreatedByOrganizer && child.asTask() != null) {
		getDisplayArea().removeStackReferenceIfNeeded((ActivityStack) child);
		}
		removeChild(child, "removeChild");
		}

		void removeChild(WindowContainer r, String reason) {
		// A rootable child task that is now being removed from an organized task. Making sure
		// the stack references is keep updated.
		if (mTaskOrganizer != null && mCreatedByOrganizer && r.asTask() != null) {
		getDisplayArea().removeStackReferenceIfNeeded((ActivityStack) r);
		}
		if (!mChildren.contains(r)) {
		Slog.e(TAG, "removeChild: r=" + r + " not found in t=" + this);
		return;

+19 −0

Original line number	Diff line number	Diff line
		@@ -233,6 +233,25 @@ public class ActivityStackTests extends ActivityTestsBase {
		assertEquals(homeRoot.getParent(), secondaryTask.getParent());
		}

		@Test
		public void testRemoveOrganizedTask_UpdateStackReference() {
		final ActivityStack rootHomeTask = mDefaultTaskDisplayArea.getRootHomeTask();
		final ActivityRecord homeActivity = new ActivityBuilder(mService)
		.setStack(rootHomeTask)
		.setCreateTask(true)
		.build();
		final ActivityStack secondaryStack = (ActivityStack) WindowContainer.fromBinder(
		mService.mTaskOrganizerController.createRootTask(rootHomeTask.getDisplayId(),
		WINDOWING_MODE_SPLIT_SCREEN_SECONDARY).token.asBinder());

		rootHomeTask.reparent(secondaryStack, POSITION_TOP);
		assertEquals(secondaryStack, rootHomeTask.getParent());

		// This should call to {@link TaskDisplayArea#removeStackReferenceIfNeeded}.
		homeActivity.removeImmediately();
		assertNull(mDefaultTaskDisplayArea.getRootHomeTask());
		}

		@Test
		public void testStackInheritsDisplayWindowingMode() {
		final ActivityStack primarySplitScreen = mDefaultTaskDisplayArea.createStack(