Add NotificationsUI SystemUI service that can display the notification

implementation for cars

Bug: 116595026
Test: manual
Change-Id: I8631e70241698aa51f94a5fdfacaea17db18841d
(cherry picked from commit 2a9907c4737b46ca0c3230a4d7f7844e4f849ce2)

5 files changed, 197 insertions, 3 deletions

diff --git a/packages/CarSystemUI/Android.bp b/packages/CarSystemUI/Android.bp
index f244f9f88684..74d6605a1ffb 100644
--- a/packages/CarSystemUI/Android.bp
+++ b/packages/CarSystemUI/Android.bp
@@ -26,6 +26,7 @@ android_app {
     ],
 
     static_libs: [
+        "CarNotificationLib",
         "SystemUI-core",
         "SystemUIPluginLib",
         "SystemUISharedLib",
diff --git a/packages/CarSystemUI/res/values/config.xml b/packages/CarSystemUI/res/values/config.xml
index 452d61df5322..572737f92370 100644
--- a/packages/CarSystemUI/res/values/config.xml
+++ b/packages/CarSystemUI/res/values/config.xml
@@ -28,4 +28,31 @@
     <bool name="config_enableRightNavigationBar">false</bool>
     <bool name="config_enableBottomNavigationBar">true</bool>
 
+    <!-- SystemUI Services: The classes of the stuff to start. This is duplicated from core
+         SystemUi b/c it can't be overlayed at this level for now
+    -->
+    <string-array name="config_systemUIServiceComponents" translatable="false">
+        <item>com.android.systemui.Dependency</item>
+        <item>com.android.systemui.util.NotificationChannels</item>
+        <item>com.android.systemui.statusbar.CommandQueue$CommandQueueStart</item>
+        <item>com.android.systemui.keyguard.KeyguardViewMediator</item>
+        <item>com.android.systemui.recents.Recents</item>
+        <item>com.android.systemui.volume.VolumeUI</item>
+        <item>com.android.systemui.stackdivider.Divider</item>
+        <item>com.android.systemui.SystemBars</item>
+        <item>com.android.systemui.usb.StorageNotification</item>
+        <item>com.android.systemui.power.PowerUI</item>
+        <item>com.android.systemui.media.RingtonePlayer</item>
+        <item>com.android.systemui.keyboard.KeyboardUI</item>
+        <item>com.android.systemui.pip.PipUI</item>
+        <item>com.android.systemui.shortcut.ShortcutKeyDispatcher</item>
+        <item>@string/config_systemUIVendorServiceComponent</item>
+        <item>com.android.systemui.util.leak.GarbageMonitor$Service</item>
+        <item>com.android.systemui.LatencyTester</item>
+        <item>com.android.systemui.globalactions.GlobalActionsComponent</item>
+        <item>com.android.systemui.ScreenDecorations</item>
+        <item>com.android.systemui.fingerprint.FingerprintDialogImpl</item>
+        <item>com.android.systemui.SliceBroadcastRelayHandler</item>
+        <item>com.android.systemui.notifications.NotificationsUI</item>
+    </string-array>
 </resources>
diff --git a/packages/CarSystemUI/src/com/android/systemui/notifications/NotificationsUI.java b/packages/CarSystemUI/src/com/android/systemui/notifications/NotificationsUI.java
new file mode 100644
index 000000000000..cb92c4259504
--- /dev/null
+++ b/packages/CarSystemUI/src/com/android/systemui/notifications/NotificationsUI.java
@@ -0,0 +1,161 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.systemui.notifications;
+
+import android.car.Car;
+import android.car.CarNotConnectedException;
+import android.car.drivingstate.CarUxRestrictionsManager;
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.ServiceConnection;
+import android.graphics.PixelFormat;
+import android.os.IBinder;
+import android.util.Log;
+import android.view.View;
+import android.view.ViewGroup;
+import android.view.WindowManager;
+
+import com.android.car.notification.CarNotificationListener;
+import com.android.car.notification.CarUxRestrictionManagerWrapper;
+import com.android.car.notification.NotificationViewController;
+import com.android.car.notification.PreprocessingManager;
+import com.android.systemui.R;
+import com.android.systemui.SystemUI;
+
+/**
+ * Standalone SystemUI for displaying Notifications that have been designed to be used in the car
+ */
+public class NotificationsUI extends SystemUI {
+
+    private static final String TAG = "NotificationsUI";
+    private CarNotificationListener mCarNotificationListener;
+    private CarUxRestrictionsManager mCarUxRestrictionsManager;
+    private Car mCar;
+    private ViewGroup mCarNotificationWindow;
+    private NotificationViewController mNotificationViewController;
+    private boolean mIsShowing;
+    private CarUxRestrictionManagerWrapper mCarUxRestrictionManagerWrapper =
+            new CarUxRestrictionManagerWrapper();
+
+    /**
+     * Inits the window that hosts the notifications and establishes the connections
+     * to the car related services.
+     */
+    @Override
+    public void start() {
+        WindowManager windowManager =
+                (WindowManager) mContext.getSystemService(Context.WINDOW_SERVICE);
+        mCarNotificationListener = new CarNotificationListener();
+        mCarNotificationListener.registerAsSystemService(mContext, mCarUxRestrictionManagerWrapper);
+        mCar = Car.createCar(mContext, mCarConnectionListener);
+        mCar.connect();
+
+
+        mCarNotificationWindow = (ViewGroup) View.inflate(mContext,
+                R.layout.navigation_bar_window, null);
+        View.inflate(mContext,
+                com.android.car.notification.R.layout.notification_center_activity,
+                mCarNotificationWindow);
+        mCarNotificationWindow.findViewById(
+                com.android.car.notification.R.id.exit_button_container)
+                .setOnClickListener(v -> toggleShowingCarNotifications());
+
+        WindowManager.LayoutParams layoutParams = new WindowManager.LayoutParams(
+                ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT,
+                WindowManager.LayoutParams.TYPE_DISPLAY_OVERLAY,
+                WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
+                        | WindowManager.LayoutParams.FLAG_NOT_TOUCH_MODAL
+                        | WindowManager.LayoutParams.FLAG_WATCH_OUTSIDE_TOUCH
+                        | WindowManager.LayoutParams.FLAG_SPLIT_TOUCH,
+                PixelFormat.TRANSLUCENT);
+        layoutParams.setTitle("Car Notification Window");
+        // start in the hidden state
+        mCarNotificationWindow.setVisibility(View.GONE);
+        windowManager.addView(mCarNotificationWindow, layoutParams);
+        mNotificationViewController = new NotificationViewController(
+                mCarNotificationWindow
+                        .findViewById(com.android.car.notification.R.id.notification_view),
+                PreprocessingManager.getInstance(mContext),
+                mCarNotificationListener,
+                mCarUxRestrictionManagerWrapper
+        );
+        // Add to the SystemUI component registry
+        putComponent(NotificationsUI.class, this);
+    }
+
+    /**
+     * Connection callback to establish UX Restrictions
+     */
+    private ServiceConnection mCarConnectionListener = new ServiceConnection() {
+        @Override
+        public void onServiceConnected(ComponentName name, IBinder service) {
+            try {
+                mCarUxRestrictionsManager = (CarUxRestrictionsManager) mCar.getCarManager(
+                        Car.CAR_UX_RESTRICTION_SERVICE);
+                mCarUxRestrictionManagerWrapper
+                        .setCarUxRestrictionsManager(mCarUxRestrictionsManager);
+                PreprocessingManager preprocessingManager = PreprocessingManager.getInstance(
+                        mContext);
+                preprocessingManager
+                        .setCarUxRestrictionManagerWrapper(mCarUxRestrictionManagerWrapper);
+            } catch (CarNotConnectedException e) {
+                Log.e(TAG, "Car not connected in CarConnectionListener", e);
+            }
+        }
+
+        @Override
+        public void onServiceDisconnected(ComponentName name) {
+            Log.e(TAG, "Car service disconnected unexpectedly");
+        }
+    };
+
+    /**
+     * Toggles the visiblity of the notifications
+     */
+    public void toggleShowingCarNotifications() {
+        if (mCarNotificationWindow.getVisibility() == View.VISIBLE) {
+            closeCarNotifications();
+            return;
+        }
+        openCarNotifications();
+    }
+
+    /**
+     * Hides the notifications
+     */
+    public void closeCarNotifications() {
+        mCarNotificationWindow.setVisibility(View.GONE);
+        mNotificationViewController.disable();
+        mIsShowing = false;
+    }
+
+    /**
+     * Sets the notifications to visible
+     */
+    public void openCarNotifications() {
+        mCarNotificationWindow.setVisibility(View.VISIBLE);
+        mNotificationViewController.enable();
+        mIsShowing = true;
+    }
+
+    /**
+     * Returns {@code true} if notifications are currently on the screen
+     */
+    public boolean isShowing() {
+        return mIsShowing;
+    }
+}
diff --git a/packages/CarSystemUI/src/com/android/systemui/statusbar/car/CarNavigationBarView.java b/packages/CarSystemUI/src/com/android/systemui/statusbar/car/CarNavigationBarView.java
index 81f7846b357d..0cba351a8a9c 100644
--- a/packages/CarSystemUI/src/com/android/systemui/statusbar/car/CarNavigationBarView.java
+++ b/packages/CarSystemUI/src/com/android/systemui/statusbar/car/CarNavigationBarView.java
@@ -21,7 +21,6 @@ import android.util.AttributeSet;
 import android.view.View;
 import android.widget.LinearLayout;
 
-import com.android.keyguard.AlphaOptimizedImageButton;
 import com.android.systemui.Dependency;
 import com.android.systemui.R;
 import com.android.systemui.statusbar.phone.StatusBarIconController;
@@ -34,7 +33,7 @@ import com.android.systemui.statusbar.phone.StatusBarIconController;
  */
 class CarNavigationBarView extends LinearLayout {
     private View mNavButtons;
-    private AlphaOptimizedImageButton mNotificationsButton;
+    private CarFacetButton mNotificationsButton;
     private CarStatusBar mCarStatusBar;
     private Context mContext;
     private View mLockScreenButtons;
@@ -71,7 +70,7 @@ class CarNavigationBarView extends LinearLayout {
     }
 
     protected void onNotificationsClick(View v) {
-        mCarStatusBar.togglePanel();
+        mCarStatusBar.toggleCarNotifications();
     }
 
     /**
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 2d90f8f0afd9..5da236ceb211 100644
--- a/packages/CarSystemUI/src/com/android/systemui/statusbar/car/CarStatusBar.java
+++ b/packages/CarSystemUI/src/com/android/systemui/statusbar/car/CarStatusBar.java
@@ -35,6 +35,7 @@ import com.android.systemui.R;
 import com.android.systemui.classifier.FalsingLog;
 import com.android.systemui.classifier.FalsingManager;
 import com.android.systemui.fragments.FragmentHostManager;
+import com.android.systemui.notifications.NotificationsUI;
 import com.android.systemui.plugins.qs.QS;
 import com.android.systemui.qs.car.CarQSFragment;
 import com.android.systemui.shared.system.ActivityManagerWrapper;
@@ -587,4 +588,9 @@ public class CarStatusBar extends StatusBar implements
     private Drawable getDefaultWallpaper() {
         return mContext.getDrawable(com.android.internal.R.drawable.default_wallpaper);
     }
+
+    public void toggleCarNotifications() {
+        getComponent(NotificationsUI.class).toggleShowingCarNotifications();
+    }
+
 }