Merge "Fix QSB becoming invisible" into ub-launcher3-qt-r1-dev

quickstep/recents_ui_overrides/src/com/android/quickstep/FallbackActivityControllerHelper.java

@@ -80,7 +80,9 @@ public final class FallbackActivityControllerHelper implements
 
     @Override
     public void onAssistantVisibilityChanged(float visibility) {
-        // TODO:
+        // This class becomes active when the screen is locked.
+        // Rather than having it handle assistant visibility changes, the assistant visibility is
+        // set to zero prior to this class becoming active.
     }
 
     @NonNull

quickstep/src/com/android/quickstep/OverviewComponentObserver.java

@@ -116,6 +116,14 @@ public final class OverviewComponentObserver {
                 .getHomeActivities(new ArrayList<>());
 
         mIsDefaultHome = Objects.equals(mMyHomeIntent.getComponent(), defaultHome);
+
+        // Set assistant visibility to 0 from launcher's perspective, ensures any elements that
+        // launcher made invisible become visible again before the new activity control helper
+        // becomes active.
+        if (mActivityControlHelper != null) {
+            mActivityControlHelper.onAssistantVisibilityChanged(0.f);
+        }
+
         if ((mSystemUiStateFlags & SYSUI_STATE_HOME_DISABLED) == 0
                 && (defaultHome == null || mIsDefaultHome)) {
             // User default home is same as out home app. Use Overview integrated in Launcher.
@@ -131,6 +139,7 @@ public final class OverviewComponentObserver {
             }
         } else {
             // The default home app is a different launcher. Use the fallback Overview instead.
+
             mActivityControlHelper = new FallbackActivityControllerHelper();
             mIsHomeAndOverviewSame = false;
             mOverviewIntent = mFallbackIntent;