Merge "Better support transient and persistent taskbar in taskbar's overlays." into tm-qpr-dev am: a76222d209 am: e34202df54

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/20693438

Change-Id: I6b7bef257cd1553c6a2e79e99c52926b2b3f3012
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java

@@ -878,6 +878,16 @@ public class TaskbarActivityContext extends BaseTaskbarContext {
         mControllers.taskbarStashController.updateAndAnimateTransientTaskbar(false);
     }
 
+    /** Called when we want to hide the overlay window when user performs swipe up gesture. */
+    public void onSwipeToHideOverlay() {
+        mControllers.taskbarOverlayController.hideWindow();
+    }
+
+    /** Returns {@code true} if taskbar is stashed. */
+    public boolean isTaskbarStashed() {
+        return mControllers.taskbarStashController.isStashed();
+    }
+
     /**
      * Called to start the taskbar translation spring to its settled translation (0).
      */