Don't animate embedded task in app transition. (bb147fe4) · Commits · e / os / android_frameworks_base

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

+30 −2

Original line number	Diff line number	Diff line
		@@ -798,6 +798,22 @@ public class AppTransitionController {
		}
		}

		/**
		* Returns {@code true} if a given {@link WindowContainer} is an embedded Task.
		*
		* Note that this is a short term workaround to support Android Auto until it migrate to
		* ShellTransition. This should only be used by {@link #getAnimationTargets}.
		*
		* TODO(b/213312721): Remove this predicate and its callers once ShellTransition is enabled.
		*/
		private static boolean isEmbeddedTask(WindowContainer wc) {
		// We use Task#mRemoveWithTaskOrganizer to identify an embedded Task, but this is a hack and
		// it is not guaranteed to work this logic in the future version.
		return !WindowManagerService.sEnableShellTransitions
		&& wc instanceof Task
		&& ((Task) wc).mRemoveWithTaskOrganizer;
		}

		/**
		* Find WindowContainers to be animated from a set of opening and closing apps. We will promote
		* animation targets to higher level in the window hierarchy if possible.
		@@ -844,7 +860,13 @@ public class AppTransitionController {
		siblings.add(current);
		boolean canPromote = true;

		if (parent == null \|\| !parent.canCreateRemoteAnimationTarget()
		if (isEmbeddedTask(current)) {
		// Don't animate an embedded Task in app transition. This is a short term workaround
		// to prevent conflict of surface hierarchy changes between legacy app transition
		// and TaskView (b/205189147).
		// TODO(b/213312721): Remove this once ShellTransition is enabled.
		continue;
		} else if (parent == null \|\| !parent.canCreateRemoteAnimationTarget()
		\|\| !parent.canBeAnimationTarget()
		// We cannot promote the animation on Task's parent when the task is in
		// clearing task in case the animating get stuck when performing the opening
		@@ -887,7 +909,13 @@ public class AppTransitionController {
		for (int j = 0; j < parent.getChildCount(); ++j) {
		final WindowContainer sibling = parent.getChildAt(j);
		if (candidates.remove(sibling)) {
		if (!isEmbeddedTask(sibling)) {
		// Don't animate an embedded Task in app transition. This is a short
		// term workaround to prevent conflict of surface hierarchy changes
		// between legacy app transition and TaskView (b/205189147).
		// TODO(b/213312721): Remove this once ShellTransition is enabled.
		siblings.add(sibling);
		}
		} else if (sibling != current && sibling.isVisible()) {
		canPromote = false;
		}

services/tests/wmtests/src/com/android/server/wm/AppTransitionControllerTest.java

+60 −0

Original line number	Diff line number	Diff line
		@@ -678,6 +678,66 @@ public class AppTransitionControllerTest extends WindowTestsBase {
		opening, closing, false /* visible */));
		}

		@Test
		public void testGetAnimationTargets_embeddedTask() {
		// [DisplayContent] -+- [Task1] - [ActivityRecord1] (opening, invisible)
		// +- [Task2] (embedded) - [ActivityRecord2] (opening, invisible)
		final ActivityRecord activity1 = createActivityRecord(mDisplayContent);
		activity1.setVisible(false);
		activity1.mVisibleRequested = true;

		final Task task2 = createTask(mDisplayContent);
		task2.mRemoveWithTaskOrganizer = true;
		final ActivityRecord activity2 = createActivityRecord(task2);
		activity2.setVisible(false);
		activity2.mVisibleRequested = true;

		final ArraySet<ActivityRecord> opening = new ArraySet<>();
		opening.add(activity1);
		opening.add(activity2);
		final ArraySet<ActivityRecord> closing = new ArraySet<>();

		// No animation on the embedded task.
		assertEquals(
		new ArraySet<>(new WindowContainer[]{activity1.getTask()}),
		AppTransitionController.getAnimationTargets(
		opening, closing, true /* visible */));
		assertEquals(
		new ArraySet<>(),
		AppTransitionController.getAnimationTargets(
		opening, closing, false /* visible */));
		}


		@Test
		public void testGetAnimationTargets_activityInEmbeddedTask() {
		// [DisplayContent] - [Task] (embedded)-+- [ActivityRecord1] (opening, invisible)
		// +- [ActivityRecord2] (closing, visible)
		final Task task = createTask(mDisplayContent);
		task.mRemoveWithTaskOrganizer = true;

		final ActivityRecord activity1 = createActivityRecord(task);
		activity1.setVisible(false);
		activity1.mVisibleRequested = true;
		final ActivityRecord activity2 = createActivityRecord(task);

		final ArraySet<ActivityRecord> opening = new ArraySet<>();
		opening.add(activity1);
		final ArraySet<ActivityRecord> closing = new ArraySet<>();
		closing.add(activity2);

		// Even though embedded task itself doesn't animate, activities in an embedded task
		// animate.
		assertEquals(
		new ArraySet<>(new WindowContainer[]{activity1}),
		AppTransitionController.getAnimationTargets(
		opening, closing, true /* visible */));
		assertEquals(
		new ArraySet<>(new WindowContainer[]{activity2}),
		AppTransitionController.getAnimationTargets(
		opening, closing, false /* visible */));
		}

		static class TestRemoteAnimationRunner implements IRemoteAnimationRunner {
		@Override
		public void onAnimationStart(int transit, RemoteAnimationTarget[] apps,