Merge "Recreate All Apps when Taskbar is recreated." into tm-dev
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarControllers.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarControllers.java
index d2e24e5..a5999cc 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarControllers.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarControllers.java
@@ -116,7 +116,7 @@
         taskbarEduController.init(this);
         taskbarPopupController.init(this);
         taskbarForceVisibleImmersiveController.init(this);
-        taskbarAllAppsController.init(this);
+        taskbarAllAppsController.init(this, sharedState);
 
         mControllersToLog = new LoggableTaskbarController[] {
                 taskbarDragController, navButtonController, navbarButtonsViewController,
@@ -152,6 +152,7 @@
         taskbarAutohideSuspendController.onDestroy();
         taskbarPopupController.onDestroy();
         taskbarForceVisibleImmersiveController.onDestroy();
+        taskbarAllAppsController.onDestroy();
 
         mControllersToLog = null;
     }
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarSharedState.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarSharedState.java
index 23beef0..a5c55b0 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarSharedState.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarSharedState.java
@@ -24,4 +24,6 @@
 
     public boolean setupUIVisible = false;
 
+    public boolean allAppsVisible = false;
+
 }
diff --git a/quickstep/src/com/android/launcher3/taskbar/allapps/TaskbarAllAppsContext.java b/quickstep/src/com/android/launcher3/taskbar/allapps/TaskbarAllAppsContext.java
index a67ca70..23da499 100644
--- a/quickstep/src/com/android/launcher3/taskbar/allapps/TaskbarAllAppsContext.java
+++ b/quickstep/src/com/android/launcher3/taskbar/allapps/TaskbarAllAppsContext.java
@@ -166,7 +166,6 @@
             super.onAttachedToWindow();
             ViewTreeObserverWrapper.addOnComputeInsetsListener(
                     getViewTreeObserver(), this);
-            mActivity.mAllAppsViewController.show();
         }
 
         @Override
diff --git a/quickstep/src/com/android/launcher3/taskbar/allapps/TaskbarAllAppsController.java b/quickstep/src/com/android/launcher3/taskbar/allapps/TaskbarAllAppsController.java
index cf9d778..044459e 100644
--- a/quickstep/src/com/android/launcher3/taskbar/allapps/TaskbarAllAppsController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/allapps/TaskbarAllAppsController.java
@@ -38,6 +38,7 @@
 import com.android.launcher3.model.data.ItemInfo;
 import com.android.launcher3.taskbar.TaskbarActivityContext;
 import com.android.launcher3.taskbar.TaskbarControllers;
+import com.android.launcher3.taskbar.TaskbarSharedState;
 
 import java.util.List;
 import java.util.Optional;
@@ -62,6 +63,7 @@
     private final LayoutParams mLayoutParams;
 
     private TaskbarControllers mControllers;
+    private TaskbarSharedState mSharedState;
     /** Window context for all apps if it is open. */
     private @Nullable TaskbarAllAppsContext mAllAppsContext;
 
@@ -77,9 +79,19 @@
     }
 
     /** Initialize the controller. */
-    public void init(TaskbarControllers controllers) {
-        if (FeatureFlags.ENABLE_ALL_APPS_IN_TASKBAR.get()) {
-            mControllers = controllers;
+    public void init(TaskbarControllers controllers, TaskbarSharedState sharedState) {
+        if (!FeatureFlags.ENABLE_ALL_APPS_IN_TASKBAR.get()) {
+            return;
+        }
+        mControllers = controllers;
+        mSharedState = sharedState;
+
+        /*
+         * Recreate All Apps if it was open in the previous Taskbar instance (e.g. the configuration
+         * changed).
+         */
+        if (mSharedState.allAppsVisible) {
+            show(false);
         }
     }
 
@@ -112,10 +124,15 @@
 
     /** Opens the {@link TaskbarAllAppsContainerView} in a new window. */
     public void show() {
+        show(true);
+    }
+
+    private void show(boolean animate) {
         if (mProxyView.isOpen()) {
             return;
         }
         mProxyView.show();
+        mSharedState.allAppsVisible = true;
 
         mAllAppsContext = new TaskbarAllAppsContext(mTaskbarContext,
                 this,
@@ -129,6 +146,7 @@
         mAllAppsContext.getAppsView().getFloatingHeaderView()
                 .findFixedRowByType(PredictionRowView.class)
                 .setPredictedApps(mPredictedApps);
+        mAllAppsContext.getAllAppsViewController().show(animate);
     }
 
     /** Closes the {@link TaskbarAllAppsContainerView}. */
@@ -148,6 +166,12 @@
             return;
         }
         mProxyView.close(false);
+        mSharedState.allAppsVisible = false;
+        onDestroy();
+    }
+
+    /** Destroys the controller and any All Apps window if present. */
+    public void onDestroy() {
         mTaskbarContext.removeOnDeviceProfileChangeListener(this);
         Optional.ofNullable(mAllAppsContext)
                 .map(c -> c.getSystemService(WindowManager.class))
diff --git a/quickstep/src/com/android/launcher3/taskbar/allapps/TaskbarAllAppsSlideInView.java b/quickstep/src/com/android/launcher3/taskbar/allapps/TaskbarAllAppsSlideInView.java
index 02aa3f2..5d2d72a 100644
--- a/quickstep/src/com/android/launcher3/taskbar/allapps/TaskbarAllAppsSlideInView.java
+++ b/quickstep/src/com/android/launcher3/taskbar/allapps/TaskbarAllAppsSlideInView.java
@@ -50,17 +50,21 @@
     }
 
     /** Opens the all apps view. */
-    void show() {
+    void show(boolean animate) {
         if (mIsOpen || mOpenCloseAnimator.isRunning()) {
             return;
         }
         mIsOpen = true;
         attachToContainer();
 
-        mOpenCloseAnimator.setValues(
-                PropertyValuesHolder.ofFloat(TRANSLATION_SHIFT, TRANSLATION_SHIFT_OPENED));
-        mOpenCloseAnimator.setInterpolator(AGGRESSIVE_EASE);
-        mOpenCloseAnimator.setDuration(DEFAULT_OPEN_DURATION).start();
+        if (animate) {
+            mOpenCloseAnimator.setValues(
+                    PropertyValuesHolder.ofFloat(TRANSLATION_SHIFT, TRANSLATION_SHIFT_OPENED));
+            mOpenCloseAnimator.setInterpolator(AGGRESSIVE_EASE);
+            mOpenCloseAnimator.setDuration(DEFAULT_OPEN_DURATION).start();
+        } else {
+            mTranslationShift = TRANSLATION_SHIFT_OPENED;
+        }
     }
 
     /** The apps container inside this view. */
diff --git a/quickstep/src/com/android/launcher3/taskbar/allapps/TaskbarAllAppsViewController.java b/quickstep/src/com/android/launcher3/taskbar/allapps/TaskbarAllAppsViewController.java
index 648c486..4597422 100644
--- a/quickstep/src/com/android/launcher3/taskbar/allapps/TaskbarAllAppsViewController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/allapps/TaskbarAllAppsViewController.java
@@ -53,8 +53,8 @@
     }
 
     /** Starts the {@link TaskbarAllAppsSlideInView} enter transition. */
-    void show() {
-        mSlideInView.show();
+    void show(boolean animate) {
+        mSlideInView.show(animate);
     }
 
     /** Closes the {@link TaskbarAllAppsSlideInView}. */