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 */
16package android.media;
17
18import 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 */
27public 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