1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.settings.notification; 18 19 import android.content.Context; 20 import android.media.AudioManager; 21 22 import com.android.internal.annotations.VisibleForTesting; 23 import com.android.settings.Utils; 24 import com.android.settings.notification.VolumeSeekBarPreference.Callback; 25 import com.android.settingslib.core.lifecycle.Lifecycle; 26 27 public class NotificationVolumePreferenceController extends 28 RingVolumePreferenceController { 29 30 private static final String KEY_NOTIFICATION_VOLUME = "notification_volume"; 31 private AudioHelper mHelper; 32 NotificationVolumePreferenceController(Context context, Callback callback, Lifecycle lifecycle)33 public NotificationVolumePreferenceController(Context context, Callback callback, 34 Lifecycle lifecycle) { 35 this(context, callback, lifecycle, new AudioHelper(context)); 36 } 37 38 @VisibleForTesting NotificationVolumePreferenceController(Context context, Callback callback, Lifecycle lifecycle, AudioHelper helper)39 NotificationVolumePreferenceController(Context context, 40 Callback callback, Lifecycle lifecycle, AudioHelper helper) { 41 super(context, callback, lifecycle); 42 mHelper = helper; 43 } 44 45 46 @Override isAvailable()47 public boolean isAvailable() { 48 return !Utils.isVoiceCapable(mContext) && !mHelper.isSingleVolume(); 49 } 50 51 @Override getPreferenceKey()52 public String getPreferenceKey() { 53 return KEY_NOTIFICATION_VOLUME; 54 } 55 56 @Override getAudioStream()57 public int getAudioStream() { 58 return AudioManager.STREAM_NOTIFICATION; 59 } 60 61 @Override getMuteIcon()62 public int getMuteIcon() { 63 return com.android.internal.R.drawable.ic_audio_ring_notif_mute; 64 } 65 66 } 67