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.annotation.UserIdInt; 20 import android.content.Context; 21 import android.media.AudioManager; 22 import android.media.AudioSystem; 23 import android.os.UserHandle; 24 import android.os.UserManager; 25 import android.util.Log; 26 27 import com.android.settings.Utils; 28 29 /** 30 * Helper class to wrap API for testing 31 */ 32 public class AudioHelper { 33 34 private static final String TAG = "AudioHelper"; 35 private Context mContext; 36 private AudioManager mAudioManager; 37 AudioHelper(Context context)38 public AudioHelper(Context context) { 39 mContext = context; 40 mAudioManager = (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); 41 } 42 isSingleVolume()43 public boolean isSingleVolume() { 44 return AudioSystem.isSingleVolume(mContext); 45 } 46 getManagedProfileId(UserManager um)47 public int getManagedProfileId(UserManager um) { 48 return Utils.getManagedProfileId(um, UserHandle.myUserId()); 49 } 50 isUserUnlocked(UserManager um, @UserIdInt int userId)51 public boolean isUserUnlocked(UserManager um, @UserIdInt int userId) { 52 return um.isUserUnlocked(userId); 53 } 54 createPackageContextAsUser(@serIdInt int profileId)55 public Context createPackageContextAsUser(@UserIdInt int profileId) { 56 return Utils.createPackageContextAsUser(mContext, profileId); 57 } 58 getRingerModeInternal()59 public int getRingerModeInternal() { 60 return mAudioManager.getRingerModeInternal(); 61 } 62 getLastAudibleStreamVolume(int stream)63 public int getLastAudibleStreamVolume(int stream) { 64 return mAudioManager.getLastAudibleStreamVolume(stream); 65 } 66 getStreamVolume(int stream)67 public int getStreamVolume(int stream) { 68 return mAudioManager.getStreamVolume(stream); 69 } 70 setStreamVolume(int stream, int volume)71 public boolean setStreamVolume(int stream, int volume) { 72 mAudioManager.setStreamVolume(stream, volume, 0); 73 return true; 74 } 75 getMaxVolume(int stream)76 public int getMaxVolume(int stream) { 77 return mAudioManager.getStreamMaxVolume(stream); 78 } 79 getMinVolume(int stream)80 public int getMinVolume(int stream) { 81 int minVolume; 82 try { 83 minVolume = mAudioManager.getStreamMinVolume(stream); 84 } catch (IllegalArgumentException e) { 85 Log.w(TAG, "Invalid stream type " + stream); 86 // Fallback to STREAM_VOICE_CALL because CallVolumePreferenceController.java default 87 // return STREAM_VOICE_CALL in getAudioStream 88 minVolume = mAudioManager.getStreamMinVolume(AudioManager.STREAM_VOICE_CALL); 89 } 90 return minVolume; 91 } 92 } 93