Merge "Fix incomplete removal of nested task" into tm-dev (10bc0f70) · Commits · e / os / android_frameworks_base

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

+1 −1

Original line number	Diff line number	Diff line
		@@ -1523,7 +1523,7 @@ class Task extends TaskFragment {
		mTaskSupervisor.removeTask(this, false /* killProcess */,
		!REMOVE_FROM_RECENTS, reason);
		}
		} else if (!mReuseTask && !mCreatedByOrganizer) {
		} else if (!mReuseTask && shouldRemoveSelfOnLastChildRemoval()) {
		// Remove entire task if it doesn't have any activity left and it isn't marked for reuse
		// or created by task organizer.
		if (!isRootTask()) {

+13 −4

Original line number	Diff line number	Diff line
		@@ -2304,6 +2304,10 @@ class TaskFragment extends WindowContainer<WindowContainer> {
		mMinHeight = minHeight;
		}

		boolean shouldRemoveSelfOnLastChildRemoval() {
		return !mCreatedByOrganizer \|\| mIsRemovalRequested;
		}

		@Override
		void removeChild(WindowContainer child) {
		removeChild(child, true /* removeSelfIfPossible */);
		@@ -2319,7 +2323,7 @@ class TaskFragment extends WindowContainer<WindowContainer> {
		mBackScreenshots.remove(r.mActivityComponent.flattenToString());
		}
		}
		if (removeSelfIfPossible && (!mCreatedByOrganizer \|\| mIsRemovalRequested) && !hasChild()) {
		if (removeSelfIfPossible && shouldRemoveSelfOnLastChildRemoval() && !hasChild()) {
		removeImmediately("removeLastChild " + child);
		}
		}
		@@ -2337,13 +2341,18 @@ class TaskFragment extends WindowContainer<WindowContainer> {
		return;
		}
		mIsRemovalRequested = true;
		forAllActivities(r -> {
		if (withTransition) {
		// The task order may be changed by finishIfPossible() for adjusting focus if there are
		// nested tasks, so add all activities into a list to avoid missed removals.
		final ArrayList<ActivityRecord> removingActivities = new ArrayList<>();
		forAllActivities((Consumer<ActivityRecord>) removingActivities::add);
		for (int i = removingActivities.size() - 1; i >= 0; --i) {
		final ActivityRecord r = removingActivities.get(i);
		if (withTransition && r.isVisible()) {
		r.finishIfPossible(reason, false /* oomAdj */);
		} else {
		r.destroyIfPossible(reason);
		}
		});
		}
		}

		void setDelayLastActivityRemoval(boolean delay) {

+21 −0

Original line number	Diff line number	Diff line
		@@ -145,6 +145,27 @@ public class TaskTests extends WindowTestsBase {
		verify(mAtm.getLockTaskController(), atLeast(1)).clearLockedTask(rootTask);
		}

		@Test
		public void testRemoveContainer_multipleNestedTasks() {
		final Task rootTask = createTask(mDisplayContent);
		rootTask.mCreatedByOrganizer = true;
		final Task task1 = new TaskBuilder(mSupervisor).setParentTaskFragment(rootTask).build();
		final Task task2 = new TaskBuilder(mSupervisor).setParentTaskFragment(rootTask).build();
		final ActivityRecord activity1 = createActivityRecord(task1);
		final ActivityRecord activity2 = createActivityRecord(task2);
		activity1.setVisible(false);

		// All activities under the root task should be finishing.
		rootTask.remove(true /* withTransition */, "test");
		assertTrue(activity1.finishing);
		assertTrue(activity2.finishing);

		// After all activities activities are destroyed, the root task should also be removed.
		activity1.removeImmediately();
		activity2.removeImmediately();
		assertFalse(rootTask.isAttached());
		}

		@Test
		public void testRemoveContainer_deferRemoval() {
		final Task rootTask = createTask(mDisplayContent);