Merge "Don't allow pinned activities to request visible behind" into nyc-dev (02ebaa02) · Commits · e / os / android_frameworks_base

core/java/android/app/ActivityManager.java

+8 −0

Original line number	Diff line number	Diff line
		@@ -675,6 +675,14 @@ public class ActivityManager {
		return isStaticStack(stackId) \|\| stackId == PINNED_STACK_ID
		\|\| stackId == FREEFORM_WORKSPACE_STACK_ID \|\| stackId == DOCKED_STACK_ID;
		}

		/**
		* Returns true if activities contained in this stack can request visible behind by
		* calling {@link Activity#requestVisibleBehind}.
		*/
		public static boolean activitiesCanRequestVisibleBehind(int stackId) {
		return stackId == FULLSCREEN_WORKSPACE_STACK_ID;
		}
		}

		/**

+14 −0

Original line number	Diff line number	Diff line
		@@ -2430,6 +2430,12 @@ public final class ActivityStackSupervisor implements DisplayListener {
		try {
		final TaskRecord task = r.task;

		if (r == task.stack.getVisibleBehindActivity()) {
		// An activity can't be pinned and visible behind at the same time. Go ahead and
		// release it from been visible behind before pinning.
		requestVisibleBehindLocked(r, false);
		}

		// Need to make sure the pinned stack exist so we can resize it below...
		final ActivityStack stack = getStack(PINNED_STACK_ID, CREATE_IF_NEEDED, ON_TOP);

		@@ -2689,6 +2695,14 @@ public final class ActivityStackSupervisor implements DisplayListener {
		"requestVisibleBehind: r=" + r + " visible=" + visible + " stack is null");
		return false;
		}

		if (visible && !StackId.activitiesCanRequestVisibleBehind(stack.mStackId)) {
		if (DEBUG_VISIBLE_BEHIND) Slog.d(TAG_VISIBLE_BEHIND, "requestVisibleBehind: r=" + r
		+ " visible=" + visible + " stackId=" + stack.mStackId
		+ " can't contain visible behind activities");
		return false;
		}

		final boolean isVisible = stack.hasVisibleBehindActivity();
		if (DEBUG_VISIBLE_BEHIND) Slog.d(TAG_VISIBLE_BEHIND,
		"requestVisibleBehind r=" + r + " visible=" + visible + " isVisible=" + isVisible);