Merge "Fix first drag to split not working" into sc-v2-dev

libs/WindowManager/Shell/src/com/android/wm/shell/splitscreen/SplitScreenController.java

@@ -22,7 +22,6 @@ import static android.view.RemoteAnimationTarget.MODE_OPENING;
 import static com.android.wm.shell.common.ExecutorUtils.executeRemoteCallWithTaskPermission;
 import static com.android.wm.shell.common.split.SplitLayout.SPLIT_POSITION_BOTTOM_OR_RIGHT;
 import static com.android.wm.shell.common.split.SplitLayout.SPLIT_POSITION_TOP_OR_LEFT;
-import static com.android.wm.shell.splitscreen.SplitScreen.STAGE_TYPE_MAIN;
 
 import android.app.ActivityManager;
 import android.app.ActivityTaskManager;
@@ -76,6 +75,7 @@ import java.util.concurrent.Executor;
  * {@link SplitScreen}.
  * @see StageCoordinator
  */
+// TODO(b/198577848): Implement split screen flicker test to consolidate CUJ of split screen.
 public class SplitScreenController implements DragAndDropPolicy.Starter,
         RemoteCallable<SplitScreenController> {
     private static final String TAG = SplitScreenController.class.getSimpleName();
@@ -241,48 +241,36 @@ public class SplitScreenController implements DragAndDropPolicy.Starter,
     private void startIntentLegacy(PendingIntent intent, Intent fillInIntent,
             @SplitScreen.StageType int stage, @SplitPosition int position,
             @Nullable Bundle options) {
-        final boolean wasInSplit = isSplitScreenVisible();
-
         LegacyTransitions.ILegacyTransition transition = new LegacyTransitions.ILegacyTransition() {
             @Override
             public void onAnimationStart(int transit, RemoteAnimationTarget[] apps,
                     RemoteAnimationTarget[] wallpapers, RemoteAnimationTarget[] nonApps,
                     IRemoteAnimationFinishedCallback finishedCallback,
                     SurfaceControl.Transaction t) {
-                boolean cancelled = apps == null || apps.length == 0;
                 mStageCoordinator.updateSurfaceBounds(null /* layout */, t);
-                if (cancelled) {
+
-                    if (!wasInSplit) {
+                if (apps != null) {
-                        final WindowContainerTransaction undoWct = new WindowContainerTransaction();
-                        mStageCoordinator.prepareExitSplitScreen(STAGE_TYPE_MAIN, undoWct);
-                        mSyncQueue.queue(undoWct);
-                        mSyncQueue.runInSync(undoT -> {
-                            // looks weird, but we want undoT to execute after t but still want the
-                            // rest of the syncQueue runnables to aggregate.
-                            t.merge(undoT);
-                            undoT.merge(t);
-                        });
-                        return;
-                    }
-                } else {
                     for (int i = 0; i < apps.length; ++i) {
                         if (apps[i].mode == MODE_OPENING) {
                             t.show(apps[i].leash);
                         }
                     }
                 }
-                RemoteAnimationTarget divider = mStageCoordinator.getDividerBarLegacyTarget();
+
+                final RemoteAnimationTarget divider = mStageCoordinator.getDividerBarLegacyTarget();
                 if (divider.leash != null) {
                     t.show(divider.leash);
                 }
+
                 t.apply();
-                if (cancelled) return;
+                if (finishedCallback != null) {
                     try {
                         finishedCallback.onAnimationFinished();
                     } catch (RemoteException e) {
                         Slog.e(TAG, "Error finishing legacy transition: ", e);
                     }
                 }
+            }
         };
         WindowContainerTransaction wct = new WindowContainerTransaction();
         options = mStageCoordinator.resolveStartStage(stage, position, options, wct);

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

@@ -275,8 +275,6 @@ class WindowOrganizerController extends IWindowOrganizerController.Stub
                 syncId = startSyncWithOrganizer(callback);
                 applyTransaction(t, syncId, null /* transition */, caller);
                 setSyncReady(syncId);
-                mService.mRootWindowContainer.getDisplayContent(DEFAULT_DISPLAY)
-                        .executeAppTransition();
             }
         } finally {
             Binder.restoreCallingIdentity(ident);
@@ -653,18 +651,10 @@ class WindowOrganizerController extends IWindowOrganizerController.Stub
                     options = activityOptions.toBundle();
                 }
 
-                int res = mService.mAmInternal.sendIntentSender(hop.getPendingIntent().getTarget(),
+                mService.mAmInternal.sendIntentSender(hop.getPendingIntent().getTarget(),
                         hop.getPendingIntent().getWhitelistToken(), 0 /* code */,
                         hop.getActivityIntent(), resolvedType, null /* finishReceiver */,
                         null /* requiredPermission */, options);
-                if (res != ActivityManager.START_SUCCESS
-                        && res != ActivityManager.START_TASK_TO_FRONT) {
-                    if (!mTransitionController.isShellTransitionsEnabled()) {
-                        final DisplayContent dc =
-                                mService.mRootWindowContainer.getDisplayContent(DEFAULT_DISPLAY);
-                        dc.cancelAppTransition();
-                    }
-                }
                 break;
             case HIERARCHY_OP_TYPE_CREATE_TASK_FRAGMENT:
                 final TaskFragmentCreationParams taskFragmentCreationOptions =