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 import android.content.Context; 20 import android.content.pm.PackageManager; 21 import android.media.AudioAttributes; 22 import android.net.Uri; 23 import android.provider.Settings; 24 25 import com.android.internal.annotations.VisibleForTesting; 26 import com.android.systemui.R; 27 import com.android.systemui.SystemUI; 28 29 import java.util.Arrays; 30 31 public class NotificationChannels extends SystemUI { 32 public static String ALERTS = "ALR"; 33 public static String SCREENSHOTS_LEGACY = "SCN"; 34 public static String SCREENSHOTS_HEADSUP = "SCN_HEADSUP"; 35 public static String GENERAL = "GEN"; 36 public static String STORAGE = "DSK"; 37 public static String TVPIP = "TPP"; 38 public static String BATTERY = "BAT"; 39 public static String HINTS = "HNT"; 40 createAll(Context context)41 public static void createAll(Context context) { 42 final NotificationManager nm = context.getSystemService(NotificationManager.class); 43 final NotificationChannel batteryChannel = new NotificationChannel(BATTERY, 44 context.getString(R.string.notification_channel_battery), 45 NotificationManager.IMPORTANCE_MAX); 46 final String soundPath = Settings.Global.getString(context.getContentResolver(), 47 Settings.Global.LOW_BATTERY_SOUND); 48 batteryChannel.setSound(Uri.parse("file://" + soundPath), new AudioAttributes.Builder() 49 .setContentType(AudioAttributes.CONTENT_TYPE_SONIFICATION) 50 .setUsage(AudioAttributes.USAGE_NOTIFICATION_EVENT) 51 .build()); 52 batteryChannel.setBlockableSystem(true); 53 54 final NotificationChannel alerts = new NotificationChannel( 55 ALERTS, 56 context.getString(R.string.notification_channel_alerts), 57 NotificationManager.IMPORTANCE_HIGH); 58 59 final NotificationChannel general = new NotificationChannel( 60 GENERAL, 61 context.getString(R.string.notification_channel_general), 62 NotificationManager.IMPORTANCE_MIN); 63 64 final NotificationChannel storage = new NotificationChannel( 65 STORAGE, 66 context.getString(R.string.notification_channel_storage), 67 isTv(context) 68 ? NotificationManager.IMPORTANCE_DEFAULT 69 : NotificationManager.IMPORTANCE_LOW); 70 71 final NotificationChannel hint = new NotificationChannel( 72 HINTS, 73 context.getString(R.string.notification_channel_hints), 74 NotificationManager.IMPORTANCE_DEFAULT); 75 // No need to bypass DND. 76 77 nm.createNotificationChannels(Arrays.asList( 78 alerts, 79 general, 80 storage, 81 createScreenshotChannel( 82 context.getString(R.string.notification_channel_screenshot), 83 nm.getNotificationChannel(SCREENSHOTS_LEGACY)), 84 batteryChannel, 85 hint 86 )); 87 88 // Delete older SS channel if present. 89 // Screenshots promoted to heads-up in P, this cleans up the lower priority channel from O. 90 // This line can be deleted in Q. 91 nm.deleteNotificationChannel(SCREENSHOTS_LEGACY); 92 93 94 if (isTv(context)) { 95 // TV specific notification channel for TV PIP controls. 96 // Importance should be {@link NotificationManager#IMPORTANCE_MAX} to have the highest 97 // priority, so it can be shown in all times. 98 nm.createNotificationChannel(new NotificationChannel( 99 TVPIP, 100 context.getString(R.string.notification_channel_tv_pip), 101 NotificationManager.IMPORTANCE_MAX)); 102 } 103 } 104 105 /** 106 * Set up screenshot channel, respecting any previously committed user settings on legacy 107 * channel. 108 * @return 109 */ createScreenshotChannel( String name, NotificationChannel legacySS)110 @VisibleForTesting static NotificationChannel createScreenshotChannel( 111 String name, NotificationChannel legacySS) { 112 NotificationChannel screenshotChannel = new NotificationChannel(SCREENSHOTS_HEADSUP, 113 name, NotificationManager.IMPORTANCE_HIGH); // pop on screen 114 115 screenshotChannel.setSound(null, // silent 116 new AudioAttributes.Builder().setUsage(AudioAttributes.USAGE_NOTIFICATION).build()); 117 screenshotChannel.setBlockableSystem(true); 118 119 if (legacySS != null) { 120 // Respect any user modified fields from the old channel. 121 int userlock = legacySS.getUserLockedFields(); 122 if ((userlock & NotificationChannel.USER_LOCKED_IMPORTANCE) != 0) { 123 screenshotChannel.setImportance(legacySS.getImportance()); 124 } 125 if ((userlock & NotificationChannel.USER_LOCKED_SOUND) != 0) { 126 screenshotChannel.setSound(legacySS.getSound(), legacySS.getAudioAttributes()); 127 } 128 if ((userlock & NotificationChannel.USER_LOCKED_VIBRATION) != 0) { 129 screenshotChannel.setVibrationPattern(legacySS.getVibrationPattern()); 130 } 131 if ((userlock & NotificationChannel.USER_LOCKED_LIGHTS) != 0) { 132 screenshotChannel.setLightColor(legacySS.getLightColor()); 133 } 134 // skip show_badge, irrelevant for system channel 135 } 136 137 return screenshotChannel; 138 } 139 140 @Override start()141 public void start() { 142 createAll(mContext); 143 } 144 isTv(Context context)145 private static boolean isTv(Context context) { 146 PackageManager packageManager = context.getPackageManager(); 147 return packageManager.hasSystemFeature(PackageManager.FEATURE_LEANBACK); 148 } 149 } 150