Home | History | Annotate | Download | only in media
      1 /*
      2  * Copyright (C) 2014 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 package android.media;
     17 
     18 import com.android.server.LocalServices;
     19 
     20 /**
     21  * Class for system services to access extra AudioManager functionality. The
     22  * AudioService is responsible for registering an implementation with
     23  * {@link LocalServices}.
     24  *
     25  * @hide
     26  */
     27 public abstract class AudioManagerInternal {
     28 
     29     public abstract void adjustSuggestedStreamVolumeForUid(int streamType, int direction,
     30             int flags, String callingPackage, int uid);
     31 
     32     public abstract void adjustStreamVolumeForUid(int streamType, int direction, int flags,
     33             String callingPackage, int uid);
     34 
     35     public abstract void setStreamVolumeForUid(int streamType, int direction, int flags,
     36             String callingPackage, int uid);
     37 
     38     public abstract void setRingerModeDelegate(RingerModeDelegate delegate);
     39 
     40     public abstract int getRingerModeInternal();
     41 
     42     public abstract void setRingerModeInternal(int ringerMode, String caller);
     43 
     44     public abstract int getVolumeControllerUid();
     45 
     46     public abstract void updateRingerModeAffectedStreamsInternal();
     47 
     48     public interface RingerModeDelegate {
     49         /** Called when external ringer mode is evaluated, returns the new internal ringer mode */
     50         int onSetRingerModeExternal(int ringerModeOld, int ringerModeNew, String caller,
     51                 int ringerModeInternal, VolumePolicy policy);
     52 
     53         /** Called when internal ringer mode is evaluated, returns the new external ringer mode */
     54         int onSetRingerModeInternal(int ringerModeOld, int ringerModeNew, String caller,
     55                 int ringerModeExternal, VolumePolicy policy);
     56 
     57         boolean canVolumeDownEnterSilent();
     58 
     59         int getRingerModeAffectedStreams(int streams);
     60     }
     61 }
     62