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      1 /*
      2  * Copyright (C) 2017 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
      5  * except in compliance with the License. You may obtain a copy of the License at
      6  *
      7  *      http://www.apache.org/licenses/LICENSE-2.0
      8  *
      9  * Unless required by applicable law or agreed to in writing, software distributed under the
     10  * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
     11  * KIND, either express or implied. See the License for the specific language governing
     12  * permissions and limitations under the License.
     13  */
     14 
     15 package com.android.systemui.util;
     16 
     17 import android.app.NotificationChannel;
     18 import android.app.NotificationManager;
     19 
     20 import android.content.Context;
     21 import android.content.pm.PackageManager;
     22 import com.android.internal.annotations.VisibleForTesting;
     23 import com.android.systemui.R;
     24 import com.android.systemui.SystemUI;
     25 
     26 import java.util.Arrays;
     27 
     28 public class NotificationChannels extends SystemUI {
     29     public static String ALERTS      = "ALR";
     30     public static String SCREENSHOTS = "SCN";
     31     public static String GENERAL     = "GEN";
     32     public static String STORAGE     = "DSK";
     33     public static String TVPIP       = "TPP";
     34 
     35     @VisibleForTesting
     36     static void createAll(Context context) {
     37 
     38         final NotificationManager nm = context.getSystemService(NotificationManager.class);
     39         nm.createNotificationChannels(Arrays.asList(
     40                 new NotificationChannel(
     41                         ALERTS,
     42                         context.getString(R.string.notification_channel_alerts),
     43                         NotificationManager.IMPORTANCE_HIGH),
     44                 new NotificationChannel(
     45                         SCREENSHOTS,
     46                         context.getString(R.string.notification_channel_screenshot),
     47                         NotificationManager.IMPORTANCE_LOW),
     48                 new NotificationChannel(
     49                         GENERAL,
     50                         context.getString(R.string.notification_channel_general),
     51                         NotificationManager.IMPORTANCE_MIN),
     52                 new NotificationChannel(
     53                         STORAGE,
     54                         context.getString(R.string.notification_channel_storage),
     55                         isTv(context)
     56                                 ? NotificationManager.IMPORTANCE_DEFAULT
     57                                 : NotificationManager.IMPORTANCE_LOW)
     58                 ));
     59         if (isTv(context)) {
     60             // TV specific notification channel for TV PIP controls.
     61             // Importance should be {@link NotificationManager#IMPORTANCE_MAX} to have the highest
     62             // priority, so it can be shown in all times.
     63             nm.createNotificationChannel(new NotificationChannel(
     64                     TVPIP,
     65                     context.getString(R.string.notification_channel_tv_pip),
     66                     NotificationManager.IMPORTANCE_MAX));
     67         }
     68     }
     69 
     70     @Override
     71     public void start() {
     72         createAll(mContext);
     73     }
     74 
     75     private static boolean isTv(Context context) {
     76         PackageManager packageManager = context.getPackageManager();
     77         return packageManager.hasSystemFeature(PackageManager.FEATURE_LEANBACK);
     78     }
     79 }
     80