Merge "Reuse and reparent one-level root task to another display" into rvc-dev... (c3b7ef7f) · Commits · e / os / android_frameworks_base

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

+2 −2

Original line number	Diff line number	Diff line
		@@ -4432,6 +4432,7 @@ class DisplayContent extends WindowContainer<DisplayContent.DisplayChildWindowCo
		position = findPositionForStack(position, stack, true /* adding */);

		super.addChild(stack, position);
		mAtmService.updateSleepIfNeededLocked();

		// The reparenting case is handled in WindowContainer.
		if (!stack.mReparenting) {
		@@ -4443,6 +4444,7 @@ class DisplayContent extends WindowContainer<DisplayContent.DisplayChildWindowCo
		protected void removeChild(ActivityStack stack) {
		super.removeChild(stack);
		mDisplayContent.onStackRemoved(stack);
		mAtmService.updateSleepIfNeededLocked();
		removeStackReferenceIfNeeded(stack);
		}

		@@ -5648,7 +5650,6 @@ class DisplayContent extends WindowContainer<DisplayContent.DisplayChildWindowCo
		void addStack(ActivityStack stack, int position) {
		setStackOnDisplay(stack, position);
		positionStackAt(stack, position);
		mAtmService.updateSleepIfNeededLocked();
		}

		void addStackReferenceIfNeeded(ActivityStack stack) {
		@@ -5667,7 +5668,6 @@ class DisplayContent extends WindowContainer<DisplayContent.DisplayChildWindowCo
		mPreferredTopFocusableStack = null;
		}
		releaseSelfIfNeeded();
		mAtmService.updateSleepIfNeededLocked();
		onStackOrderChanged(stack);
		}

+9 −1

Original line number	Diff line number	Diff line
		@@ -2852,7 +2852,8 @@ class RootWindowContainer extends WindowContainer<DisplayContent>
		* @param candidateTask The possible task the activity might be put in.
		* @return Existing stack if there is a valid one, new dynamic stack if it is valid or null.
		*/
		private ActivityStack getValidLaunchStackOnDisplay(int displayId, @NonNull ActivityRecord r,
		@VisibleForTesting
		ActivityStack getValidLaunchStackOnDisplay(int displayId, @NonNull ActivityRecord r,
		@Nullable Task candidateTask, @Nullable ActivityOptions options,
		@Nullable LaunchParamsController.LaunchParams launchParams) {
		final DisplayContent displayContent = getDisplayContentOrCreate(displayId);
		@@ -2873,6 +2874,13 @@ class RootWindowContainer extends WindowContainer<DisplayContent>
		if (attachedDisplayId == INVALID_DISPLAY \|\| attachedDisplayId == displayId) {
		return candidateTask.getStack();
		}
		// Or the candidate task is already a root task that can be reused by reparenting
		// it to the target display.
		if (candidateTask.isRootTask()) {
		final ActivityStack stack = candidateTask.getStack();
		displayContent.moveStackToDisplay(stack, true /* onTop */);
		return stack;
		}
		}

		int windowingMode;

+16 −0

Original line number	Diff line number	Diff line
		@@ -787,6 +787,22 @@ public class RootActivityContainerTests extends ActivityTestsBase {
		secondaryDisplay.mDisplayId, result.getDisplayId());
		}

		@Test
		public void testGetValidLaunchStackOnDisplayWithCandidateRootTask() {
		// Create a root task with an activity on secondary display.
		final TestDisplayContent secondaryDisplay = new TestDisplayContent.Builder(mService, 300,
		600).build();
		final Task task = new ActivityTestsBase.StackBuilder(mRootWindowContainer).setDisplay(
		secondaryDisplay).build();
		final ActivityRecord activity = new ActivityTestsBase.ActivityBuilder(mService)
		.setTask(task).build();

		// Make sure the root task is valid and can be reused on default display.
		final ActivityStack stack = mRootWindowContainer.getValidLaunchStackOnDisplay(
		DEFAULT_DISPLAY, activity, task, null, null);
		assertEquals(task, stack);
		}

		@Test
		public void testSwitchUser_missingHomeRootTask() {
		doReturn(mFullscreenStack).when(mRootWindowContainer).getTopDisplayFocusedStack();