commit 7910a3ca0a49ca7a74b652fe0d1d31475dcfd4bf
author Brian Isganitis <brianji@google.com> Thu Mar 10 16:03:30 2022 -0800
committer Brian Isganitis <brianji@google.com> Thu Mar 10 16:03:30 2022 -0800
tree dde21e71d46103c6742c000b32a24e453be4104e
parent ec8ba135bea509cdf1c4b1607f369e33cd7b9a8a

Close taskbar all apps when task stack changes.

Test: Manual
Fix: 223898952
Change-Id: I4c5e41227f0ee199cc08931f4532d769f376a617

quickstep/src/com/android/launcher3/taskbar/allapps/TaskbarAllAppsController.java

diff --git a/quickstep/src/com/android/launcher3/taskbar/allapps/TaskbarAllAppsController.java b/quickstep/src/com/android/launcher3/taskbar/allapps/TaskbarAllAppsController.java
index 044459e..9fca8eb 100644
--- a/quickstep/src/com/android/launcher3/taskbar/allapps/TaskbarAllAppsController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/allapps/TaskbarAllAppsController.java
@@ -39,6 +39,8 @@
 import com.android.launcher3.taskbar.TaskbarActivityContext;
 import com.android.launcher3.taskbar.TaskbarControllers;
 import com.android.launcher3.taskbar.TaskbarSharedState;
+import com.android.systemui.shared.system.TaskStackChangeListener;
+import com.android.systemui.shared.system.TaskStackChangeListeners;
 
 import java.util.List;
 import java.util.Optional;
@@ -62,6 +64,13 @@
     private final TaskbarAllAppsProxyView mProxyView;
     private final LayoutParams mLayoutParams;
 
+    private final TaskStackChangeListener mTaskStackListener = new TaskStackChangeListener() {
+        @Override
+        public void onTaskStackChanged() {
+            mProxyView.close(false);
+        }
+    };
+
     private TaskbarControllers mControllers;
     private TaskbarSharedState mSharedState;
     /** Window context for all apps if it is open. */
@@ -139,6 +148,7 @@
                 mControllers.taskbarStashController);
         mAllAppsContext.getDragController().init(mControllers);
         mTaskbarContext.addOnDeviceProfileChangeListener(this);
+        TaskStackChangeListeners.getInstance().registerTaskStackListener(mTaskStackListener);
         Optional.ofNullable(mAllAppsContext.getSystemService(WindowManager.class))
                 .ifPresent(m -> m.addView(mAllAppsContext.getDragLayer(), mLayoutParams));
 
@@ -172,6 +182,7 @@
 
     /** Destroys the controller and any All Apps window if present. */
     public void onDestroy() {
+        TaskStackChangeListeners.getInstance().unregisterTaskStackListener(mTaskStackListener);
         mTaskbarContext.removeOnDeviceProfileChangeListener(this);
         Optional.ofNullable(mAllAppsContext)
                 .map(c -> c.getSystemService(WindowManager.class))