Merge "Handle openning transition while animating a pair to home" into udc-dev

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

@@ -348,8 +348,6 @@ class SplitScreenTransitions {
             WindowContainerTransaction wct,
             @Nullable RemoteTransition remoteTransition,
             Transitions.TransitionHandler handler,
-            @Nullable TransitionConsumedCallback consumedCallback,
-            @Nullable TransitionFinishedCallback finishedCallback,
             int extraTransitType, boolean resizeAnim) {
         if (mPendingEnter != null) {
             ProtoLog.v(ShellProtoLogGroup.WM_SHELL_TRANSITIONS, "  splitTransition "
@@ -357,20 +355,16 @@ class SplitScreenTransitions {
             return null;
         }
         final IBinder transition = mTransitions.startTransition(transitType, wct, handler);
-        setEnterTransition(transition, remoteTransition, consumedCallback, finishedCallback,
+        setEnterTransition(transition, remoteTransition, extraTransitType, resizeAnim);
-                extraTransitType, resizeAnim);
         return transition;
     }
 
     /** Sets a transition to enter split. */
     void setEnterTransition(@NonNull IBinder transition,
             @Nullable RemoteTransition remoteTransition,
-            @Nullable TransitionConsumedCallback consumedCallback,
-            @Nullable TransitionFinishedCallback finishedCallback,
             int extraTransitType, boolean resizeAnim) {
         mPendingEnter = new EnterSession(
-                transition, consumedCallback, finishedCallback, remoteTransition, extraTransitType,
+                transition, remoteTransition, extraTransitType, resizeAnim);
-                resizeAnim);
 
         ProtoLog.v(ShellProtoLogGroup.WM_SHELL_TRANSITIONS, "  splitTransition "
                 + " deduced Enter split screen");
@@ -608,12 +602,10 @@ class SplitScreenTransitions {
         final boolean mResizeAnim;
 
         EnterSession(IBinder transition,
-                @Nullable TransitionConsumedCallback consumedCallback,
-                @Nullable TransitionFinishedCallback finishedCallback,
                 @Nullable RemoteTransition remoteTransition,
                 int extraTransitType, boolean resizeAnim) {
-            super(transition, consumedCallback, finishedCallback, remoteTransition,
+            super(transition, null /* consumedCallback */, null /* finishedCallback */,
-                    extraTransitType);
+                    remoteTransition, extraTransitType);
             this.mResizeAnim = resizeAnim;
         }
     }

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

@@ -396,7 +396,7 @@ public class StageCoordinator implements SplitLayout.SplitLayoutHandler,
         prepareEnterSplitScreen(wct, task, stagePosition);
         if (ENABLE_SHELL_TRANSITIONS) {
             mSplitTransitions.startEnterTransition(TRANSIT_TO_FRONT, wct,
-                    null, this, null /* consumedCallback */, null /* finishedCallback */,
+                    null, this,
                     isSplitScreenVisible()
                             ? TRANSIT_SPLIT_SCREEN_OPEN_TO_SIDE : TRANSIT_SPLIT_SCREEN_PAIR_OPEN,
                     !mIsDropEntering);
@@ -507,8 +507,7 @@ public class StageCoordinator implements SplitLayout.SplitLayoutHandler,
         prepareEnterSplitScreen(wct, null /* taskInfo */, position);
 
         mSplitTransitions.startEnterTransition(TRANSIT_TO_FRONT, wct, null, this,
-                null /* consumedCallback */, null /* finishedCallback */, extraTransitType,
+                extraTransitType, !mIsDropEntering);
-                !mIsDropEntering);
     }
 
     /** Launches an activity into split by legacy transition. */
@@ -665,8 +664,7 @@ public class StageCoordinator implements SplitLayout.SplitLayoutHandler,
         if (mPausingTasks.contains(mainTaskId)) {
             mPausingTasks.clear();
         }
-        mSplitTransitions.startEnterTransition(
+        mSplitTransitions.startEnterTransition(TRANSIT_TO_FRONT, wct, remoteTransition, this,
-                TRANSIT_TO_FRONT, wct, remoteTransition, this, null, null,
                 TRANSIT_SPLIT_SCREEN_PAIR_OPEN, false);
         setEnterInstanceId(instanceId);
     }
@@ -716,8 +714,7 @@ public class StageCoordinator implements SplitLayout.SplitLayoutHandler,
             wct.sendPendingIntent(pendingIntent2, fillInIntent2, options2);
         }
 
-        mSplitTransitions.startEnterTransition(
+        mSplitTransitions.startEnterTransition(TRANSIT_TO_FRONT, wct, remoteTransition, this,
-                TRANSIT_TO_FRONT, wct, remoteTransition, this, null, null,
                 TRANSIT_SPLIT_SCREEN_PAIR_OPEN, false);
         setEnterInstanceId(instanceId);
     }
@@ -1453,8 +1450,6 @@ public class StageCoordinator implements SplitLayout.SplitLayoutHandler,
         if (!mMainStage.isActive()) return;
         mSideStage.removeAllTasks(wct, stageToTop == STAGE_TYPE_SIDE);
         mMainStage.deactivate(wct, stageToTop == STAGE_TYPE_MAIN);
-        wct.setReparentLeafTaskIfRelaunch(mRootTaskInfo.token,
-                false /* reparentLeafTaskIfRelaunch */);
     }
 
     private void prepareEnterSplitScreen(WindowContainerTransaction wct) {
@@ -2295,11 +2290,19 @@ public class StageCoordinator implements SplitLayout.SplitLayoutHandler,
             out = new WindowContainerTransaction();
             final StageTaskListener stage = getStageOfTask(triggerTask);
             if (stage != null) {
-                // Dismiss split if the last task in one of the stages is going away
                 if (isClosingType(type) && stage.getChildCount() == 1) {
+                    // Dismiss split if the last task in one of the stages is going away
                     // The top should be the opposite side that is closing:
-                    int dismissTop = getStageType(stage) == STAGE_TYPE_MAIN ? STAGE_TYPE_SIDE
+                    int dismissTop = getStageType(stage) == STAGE_TYPE_MAIN
-                            : STAGE_TYPE_MAIN;
+                            ? STAGE_TYPE_SIDE : STAGE_TYPE_MAIN;
+                    prepareExitSplitScreen(dismissTop, out);
+                    mSplitTransitions.setDismissTransition(transition, dismissTop,
+                            EXIT_REASON_APP_FINISHED);
+                } else if (isOpening && !mPausingTasks.isEmpty()) {
+                    // One of the splitting task is opening while animating the split pair in
+                    // recents, which means to dismiss the split pair to this task.
+                    int dismissTop = getStageType(stage) == STAGE_TYPE_MAIN
+                            ? STAGE_TYPE_MAIN : STAGE_TYPE_SIDE;
                     prepareExitSplitScreen(dismissTop, out);
                     mSplitTransitions.setDismissTransition(transition, dismissTop,
                             EXIT_REASON_APP_FINISHED);
@@ -2308,7 +2311,6 @@ public class StageCoordinator implements SplitLayout.SplitLayoutHandler,
                     // prepare to enter split screen.
                     prepareEnterSplitScreen(out);
                     mSplitTransitions.setEnterTransition(transition, request.getRemoteTransition(),
-                            null /* consumedCallback */, null /* finishedCallback */,
                             TRANSIT_SPLIT_SCREEN_PAIR_OPEN, !mIsDropEntering);
                 }
             } else if (isOpening && inFullscreen) {
@@ -2334,7 +2336,6 @@ public class StageCoordinator implements SplitLayout.SplitLayoutHandler,
                 out = new WindowContainerTransaction();
                 prepareEnterSplitScreen(out);
                 mSplitTransitions.setEnterTransition(transition, request.getRemoteTransition(),
-                        null /* consumedCallback */, null /* finishedCallback */,
                         TRANSIT_SPLIT_SCREEN_PAIR_OPEN, !mIsDropEntering);
             }
         }
@@ -2680,6 +2681,7 @@ public class StageCoordinator implements SplitLayout.SplitLayoutHandler,
                 mShowDecorImmediately = true;
                 mSplitLayout.flingDividerToCenter();
             }
+            callbackWct.setReparentLeafTaskIfRelaunch(mRootTaskInfo.token, false);
             mPausingTasks.clear();
         });
 
@@ -2830,6 +2832,7 @@ public class StageCoordinator implements SplitLayout.SplitLayoutHandler,
         dismissTransition.setFinishedCallback((callbackWct, callbackT) -> {
             mMainStage.getSplitDecorManager().release(callbackT);
             mSideStage.getSplitDecorManager().release(callbackT);
+            callbackWct.setReparentLeafTaskIfRelaunch(mRootTaskInfo.token, false);
         });
 
         addDividerBarToTransition(info, false /* show */);
@@ -2883,8 +2886,7 @@ public class StageCoordinator implements SplitLayout.SplitLayoutHandler,
         }
 
         setSplitsVisible(false);
-        finishWct.setReparentLeafTaskIfRelaunch(mRootTaskInfo.token,
+        prepareExitSplitScreen(STAGE_TYPE_UNDEFINED, finishWct);
-                true /* reparentLeafTaskIfRelaunch */);
         logExit(EXIT_REASON_UNKNOWN);
     }
 

libs/WindowManager/Shell/tests/unittest/src/com/android/wm/shell/splitscreen/SplitTransitionTests.java

@@ -185,7 +185,7 @@ public class SplitTransitionTests extends ShellTestCase {
 
         IBinder transition = mSplitScreenTransitions.startEnterTransition(
                 TRANSIT_OPEN, new WindowContainerTransaction(),
-                new RemoteTransition(testRemote, "Test"), mStageCoordinator, null, null,
+                new RemoteTransition(testRemote, "Test"), mStageCoordinator,
                 TRANSIT_SPLIT_SCREEN_PAIR_OPEN, false);
         mMainStage.onTaskAppeared(mMainChild, createMockSurface());
         mSideStage.onTaskAppeared(mSideChild, createMockSurface());
@@ -412,7 +412,7 @@ public class SplitTransitionTests extends ShellTestCase {
         IBinder enterTransit = mSplitScreenTransitions.startEnterTransition(
                 TRANSIT_OPEN, new WindowContainerTransaction(),
                 new RemoteTransition(new TestRemoteTransition(), "Test"),
-                mStageCoordinator, null, null, TRANSIT_SPLIT_SCREEN_PAIR_OPEN, false);
+                mStageCoordinator, TRANSIT_SPLIT_SCREEN_PAIR_OPEN, false);
         mMainStage.onTaskAppeared(mMainChild, createMockSurface());
         mSideStage.onTaskAppeared(mSideChild, createMockSurface());
         mStageCoordinator.startAnimation(enterTransit, enterInfo,