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 
adjustSuggestedStreamVolumeForUid(int streamType, int direction, int flags, String callingPackage, int uid)29     public abstract void adjustSuggestedStreamVolumeForUid(int streamType, int direction,
30             int flags, String callingPackage, int uid);
31 
adjustStreamVolumeForUid(int streamType, int direction, int flags, String callingPackage, int uid)32     public abstract void adjustStreamVolumeForUid(int streamType, int direction, int flags,
33             String callingPackage, int uid);
34 
setStreamVolumeForUid(int streamType, int direction, int flags, String callingPackage, int uid)35     public abstract void setStreamVolumeForUid(int streamType, int direction, int flags,
36             String callingPackage, int uid);
37 
setRingerModeDelegate(RingerModeDelegate delegate)38     public abstract void setRingerModeDelegate(RingerModeDelegate delegate);
39 
getRingerModeInternal()40     public abstract int getRingerModeInternal();
41 
setRingerModeInternal(int ringerMode, String caller)42     public abstract void setRingerModeInternal(int ringerMode, String caller);
43 
getVolumeControllerUid()44     public abstract int getVolumeControllerUid();
45 
updateRingerModeAffectedStreamsInternal()46     public abstract void updateRingerModeAffectedStreamsInternal();
47 
48     public interface RingerModeDelegate {
49         /** Called when external ringer mode is evaluated, returns the new internal ringer mode */
onSetRingerModeExternal(int ringerModeOld, int ringerModeNew, String caller, int ringerModeInternal, VolumePolicy policy)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 */
onSetRingerModeInternal(int ringerModeOld, int ringerModeNew, String caller, int ringerModeExternal, VolumePolicy policy)54         int onSetRingerModeInternal(int ringerModeOld, int ringerModeNew, String caller,
55                 int ringerModeExternal, VolumePolicy policy);
56 
canVolumeDownEnterSilent()57         boolean canVolumeDownEnterSilent();
58 
getRingerModeAffectedStreams(int streams)59         int getRingerModeAffectedStreams(int streams);
60     }
61 }
62