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      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 com.android.settings.Utils;
     26 
     27 /**
     28  * Helper class to wrap API for testing
     29  */
     30 public class AudioHelper {
     31 
     32     private Context mContext;
     33     private AudioManager mAudioManager;
     34 
     35     public AudioHelper(Context context) {
     36         mContext = context;
     37         mAudioManager = (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE);
     38     }
     39 
     40     public boolean isSingleVolume() {
     41         return AudioSystem.isSingleVolume(mContext);
     42     }
     43 
     44     public int getManagedProfileId(UserManager um) {
     45         return Utils.getManagedProfileId(um, UserHandle.myUserId());
     46     }
     47 
     48     public boolean isUserUnlocked(UserManager um, @UserIdInt int userId) {
     49         return um.isUserUnlocked(userId);
     50     }
     51 
     52     public Context createPackageContextAsUser(@UserIdInt int profileId) {
     53         return Utils.createPackageContextAsUser(mContext, profileId);
     54     }
     55 
     56     public int getRingerModeInternal() {
     57         return mAudioManager.getRingerModeInternal();
     58     }
     59 
     60     public int getLastAudibleStreamVolume(int stream) {
     61         return mAudioManager.getLastAudibleStreamVolume(stream);
     62     }
     63 
     64     public int getStreamVolume(int stream) {
     65         return mAudioManager.getStreamVolume(stream);
     66     }
     67 
     68     public boolean setStreamVolume(int stream, int volume) {
     69         mAudioManager.setStreamVolume(stream, volume, 0);
     70         return true;
     71     }
     72 
     73     public int getMaxVolume(int stream) {
     74         return mAudioManager.getStreamMaxVolume(stream);
     75     }
     76 }
     77