From 2ccc2a44152e12798a2796cd532a8509a2a890cc Mon Sep 17 00:00:00 2001
From: Brad Stenning <stenning@google.com>
Date: Mon, 15 Apr 2019 10:17:01 -0700
Subject: Move HUN car notifications into SystemUI

Bug:130664005
Test: Manual via KitchenSink

Change-Id: I4da0ce924962f82c8f4ba1168ba956833c07056a
(cherry picked from commit 93d098db9a57c47b41088f75f0eef46348f0d928)
---
 .../CarSystemUI/res/layout/super_status_bar.xml    | 18 ++++---
 .../systemui/statusbar/car/CarStatusBar.java       | 55 +++++++++++++++++++++-
 2 files changed, 65 insertions(+), 8 deletions(-)

diff --git a/packages/CarSystemUI/res/layout/super_status_bar.xml b/packages/CarSystemUI/res/layout/super_status_bar.xml
index 9a074ddd7506..728a239a4ca9 100644
--- a/packages/CarSystemUI/res/layout/super_status_bar.xml
+++ b/packages/CarSystemUI/res/layout/super_status_bar.xml
@@ -74,17 +74,21 @@
         android:layout_height="match_parent"
         android:layout="@layout/car_fullscreen_user_switcher"/>
 
-    <include layout="@layout/status_bar_expanded"
+    <include layout="@layout/notification_center_activity"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
+        android:layout_marginBottom="@dimen/navigation_bar_height"
         android:visibility="invisible"/>
 
-    <include layout="@layout/notification_center_activity"
-             android:layout_width="match_parent"
-             android:layout_height="match_parent"
-             android:layout_marginBottom="112dp"
-             android:visibility="invisible"
-    />
+    <include layout="@layout/headsup_container"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:visibility="invisible"/>
+
+    <include layout="@layout/status_bar_expanded"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:visibility="invisible"/>
 
     <com.android.systemui.statusbar.ScrimView
         android:id="@+id/scrim_in_front"
diff --git a/packages/CarSystemUI/src/com/android/systemui/statusbar/car/CarStatusBar.java b/packages/CarSystemUI/src/com/android/systemui/statusbar/car/CarStatusBar.java
index ae99126a4acd..8f8fd1178a52 100644
--- a/packages/CarSystemUI/src/com/android/systemui/statusbar/car/CarStatusBar.java
+++ b/packages/CarSystemUI/src/com/android/systemui/statusbar/car/CarStatusBar.java
@@ -23,6 +23,7 @@ import android.annotation.Nullable;
 import android.app.ActivityManager;
 import android.app.ActivityTaskManager;
 import android.car.drivingstate.CarDrivingStateEvent;
+import android.content.Context;
 import android.graphics.PixelFormat;
 import android.graphics.Rect;
 import android.graphics.drawable.Drawable;
@@ -38,10 +39,13 @@ import android.view.WindowManager;
 import androidx.annotation.NonNull;
 import androidx.recyclerview.widget.RecyclerView;
 
+import com.android.car.notification.CarHeadsUpNotificationManager;
 import com.android.car.notification.CarNotificationListener;
 import com.android.car.notification.CarNotificationView;
 import com.android.car.notification.CarUxRestrictionManagerWrapper;
+import com.android.car.notification.HeadsUpEntry;
 import com.android.car.notification.NotificationClickHandlerFactory;
+import com.android.car.notification.NotificationDataManager;
 import com.android.car.notification.NotificationViewController;
 import com.android.car.notification.PreprocessingManager;
 import com.android.internal.statusbar.RegisterStatusBarResult;
@@ -407,8 +411,13 @@ public class CarStatusBar extends StatusBar implements
         CarNotificationListener carNotificationListener = new CarNotificationListener();
         CarUxRestrictionManagerWrapper carUxRestrictionManagerWrapper =
                 new CarUxRestrictionManagerWrapper();
+        NotificationDataManager notificationDataManager = new NotificationDataManager();
+        CarHeadsUpNotificationManager carHeadsUpNotificationManager =
+                new CarSystemUIHeadsUpNotificationManager(mContext, clickHandlerFactory,
+                        notificationDataManager);
+
         carNotificationListener.registerAsSystemService(mContext, carUxRestrictionManagerWrapper,
-                clickHandlerFactory);
+                carHeadsUpNotificationManager, notificationDataManager);
 
         mNotificationView = mStatusBarWindow.findViewById(R.id.notification_view);
         View glassPane = mStatusBarWindow.findViewById(R.id.glass_pane);
@@ -1093,4 +1102,48 @@ public class CarStatusBar extends StatusBar implements
             super.onLongPress(e);
         }
     }
+
+    /**
+     * SystemUi version onf the notification manager that overrides methods such that the
+     * notifications end up in the status bar layouts instead of a standalone window.
+     */
+    private class CarSystemUIHeadsUpNotificationManager extends CarHeadsUpNotificationManager {
+
+        CarSystemUIHeadsUpNotificationManager(Context context,
+                NotificationClickHandlerFactory clickHandlerFactory,
+                NotificationDataManager notificationDataManager) {
+            super(context, clickHandlerFactory, notificationDataManager);
+        }
+
+        @Override
+        protected View createHeadsUpPanel() {
+            // In SystemUi the view is already in the window so just return a reference.
+            return mStatusBarWindow.findViewById(R.id.notification_headsup);
+        }
+
+        @Override
+        protected void addHeadsUpPanelToDisplay() {
+            // Set the panel initial state to invisible
+            mHeadsUpPanel.setVisibility(View.INVISIBLE);
+        }
+
+        @Override
+        protected void setHeadsUpVisible() {
+            super.setHeadsUpVisible();
+            if (mHeadsUpPanel.getVisibility() == View.VISIBLE) {
+                mStatusBarWindowController.setHeadsUpShowing(true);
+                mStatusBarWindowController.setForceStatusBarVisible(true);
+            }
+        }
+
+        @Override
+        protected void removeNotificationFromPanel(HeadsUpEntry currentHeadsUpNotification) {
+            super.removeNotificationFromPanel(currentHeadsUpNotification);
+            // If the panel ended up empty and hidden we can remove it from SystemUi
+            if (mHeadsUpPanel.getVisibility() != View.VISIBLE) {
+                mStatusBarWindowController.setHeadsUpShowing(false);
+                mStatusBarWindowController.setForceStatusBarVisible(false);
+            }
+        }
+    }
 }
-- 
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