Merge "[Predictive Back] Revert all apps scale when exiting from search" into tm-qpr-dev

src/com/android/launcher3/Launcher.java

@@ -1342,6 +1342,7 @@ public class Launcher extends StatefulActivity<LauncherState>
 
         // Setup Apps
         mAppsView = findViewById(R.id.apps_view);
+        mAppsView.setAllAppsTransitionController(mAllAppsController);
 
         // Setup Scrim
         mScrimView = findViewById(R.id.scrim_view);

src/com/android/launcher3/allapps/ActivityAllAppsContainerView.java

@@ -155,6 +155,7 @@ public class ActivityAllAppsContainerView<T extends Context & ActivityContext>
     private int mHeaderColor;
     private int mBottomSheetBackgroundColor;
     private int mTabsProtectionAlpha;
+    @Nullable private AllAppsTransitionController mAllAppsTransitionController;
 
     public ActivityAllAppsContainerView(Context context) {
         this(context, null);
@@ -292,6 +293,11 @@ public class ActivityAllAppsContainerView<T extends Context & ActivityContext>
         animateToSearchState(goingToSearch, DEFAULT_SEARCH_TRANSITION_DURATION_MS);
     }
 
+    public void setAllAppsTransitionController(
+            AllAppsTransitionController allAppsTransitionController) {
+        mAllAppsTransitionController = allAppsTransitionController;
+    }
+
     private void animateToSearchState(boolean goingToSearch, long durationMs) {
         if (!mSearchTransitionController.isRunning() && goingToSearch == isSearching()) {
             return;
@@ -299,6 +305,9 @@ public class ActivityAllAppsContainerView<T extends Context & ActivityContext>
         if (goingToSearch) {
             // Fade out the button to pause work apps.
             mWorkManager.onActivePageChanged(SEARCH);
+        } else if (mAllAppsTransitionController != null) {
+            // If exiting search, revert predictive back scale on all apps
+            mAllAppsTransitionController.animateAllAppsToNoScale();
         }
         mSearchTransitionController.animateToSearchState(goingToSearch, durationMs,
                 /* onEndRunnable = */ () -> {

src/com/android/launcher3/allapps/AllAppsTransitionController.java

@@ -301,6 +301,13 @@ public class AllAppsTransitionController
         }
     }
 
+    /** Animate all apps view to 1f scale. */
+    public void animateAllAppsToNoScale() {
+        mAllAppScale.animateToValue(1f)
+                .setDuration(REVERT_SWIPE_ALL_APPS_TO_HOME_ANIMATION_DURATION_MS)
+                .start();
+    }
+
     /**
      * Creates an animation which updates the vertical transition progress and updates all the
      * dependent UI using various animation events