Fix All set activity not drawing on initial swipe. am: 4d18da78c0

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/18930603

Change-Id: I71eea3ff4b66ec094a7eb451d1a0afe3cd3a7227
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

quickstep/src/com/android/quickstep/TouchInteractionService.java

@@ -147,6 +147,8 @@ public class TouchInteractionService extends Service
      */
     public class TISBinder extends IOverviewProxy.Stub {
 
+        @Nullable private Runnable mOnOverviewTargetChangeListener = null;
+
         @BinderThread
         public void onInitialize(Bundle bundle) {
             ISystemUiProxy proxy = ISystemUiProxy.Stub.asInterface(
@@ -327,6 +329,18 @@ public class TouchInteractionService extends Service
         public void setGestureBlockedTaskId(int taskId) {
             mDeviceState.setGestureBlockingTaskId(taskId);
         }
+
+        /** Sets a listener to be run on Overview Target updates. */
+        public void setOverviewTargetChangeListener(@Nullable Runnable listener) {
+            mOnOverviewTargetChangeListener = listener;
+        }
+
+        protected void onOverviewTargetChange() {
+            if (mOnOverviewTargetChangeListener != null) {
+                mOnOverviewTargetChangeListener.run();
+                mOnOverviewTargetChangeListener = null;
+            }
+        }
     }
 
     private static boolean sConnected = false;
@@ -487,6 +501,7 @@ public class TouchInteractionService extends Service
         if (newOverviewActivity != null) {
             mTaskbarManager.setActivity(newOverviewActivity);
         }
+        mTISBinder.onOverviewTargetChange();
     }
 
     @UiThread

quickstep/src/com/android/quickstep/interaction/AllSetActivity.java

@@ -202,6 +202,7 @@ public class AllSetActivity extends Activity {
         mBinder = binder;
         mBinder.getTaskbarManager().setSetupUIVisible(isResumed());
         mBinder.setSwipeUpProxy(isResumed() ? this::createSwipeUpProxy : null);
+        mBinder.setOverviewTargetChangeListener(mBinder::preloadOverviewForSUWAllSet);
         mBinder.preloadOverviewForSUWAllSet();
     }
 
@@ -218,6 +219,7 @@ public class AllSetActivity extends Activity {
         if (mBinder != null) {
             mBinder.getTaskbarManager().setSetupUIVisible(false);
             mBinder.setSwipeUpProxy(null);
+            mBinder.setOverviewTargetChangeListener(null);
         }
     }