1 /*
2  * Copyright (C) 2023 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.settingslib.bluetooth;
18 
19 import android.media.AudioAttributes;
20 import android.media.AudioDeviceAttributes;
21 import android.media.AudioDeviceInfo;
22 
23 import androidx.annotation.IntDef;
24 
25 import java.lang.annotation.Retention;
26 import java.lang.annotation.RetentionPolicy;
27 
28 /**
29  * Constant values used to configure hearing aid audio routing.
30  *
31  * {@link HearingAidAudioRoutingHelper}
32  */
33 public final class HearingAidAudioRoutingConstants {
34     public static final int[] CALL_ROUTING_ATTRIBUTES = new int[] {
35             // Stands for STRATEGY_PHONE
36             AudioAttributes.USAGE_VOICE_COMMUNICATION,
37     };
38 
39     public static final int[] MEDIA_ROUTING_ATTRIBUTES = new int[] {
40             // Stands for STRATEGY_MEDIA, including USAGE_GAME, USAGE_ASSISTANT,
41             // USAGE_ASSISTANCE_NAVIGATION_GUIDANCE, USAGE_ASSISTANCE_SONIFICATION
42             AudioAttributes.USAGE_MEDIA,
43             // Stands for STRATEGY_ACCESSIBILITY
44             AudioAttributes.USAGE_ASSISTANCE_ACCESSIBILITY,
45             // Stands for STRATEGY_DTMF
46             AudioAttributes.USAGE_VOICE_COMMUNICATION_SIGNALLING,
47     };
48 
49     public static final int[] RINGTONE_ROUTING_ATTRIBUTES = new int[] {
50             // Stands for STRATEGY_SONIFICATION, including USAGE_ALARM
51             AudioAttributes.USAGE_NOTIFICATION_RINGTONE
52     };
53 
54     public static final int[] NOTIFICATION_ROUTING_ATTRIBUTES = new int[] {
55             // Stands for STRATEGY_SONIFICATION_RESPECTFUL, including USAGE_NOTIFICATION_EVENT
56             AudioAttributes.USAGE_NOTIFICATION,
57 
58     };
59 
60     @Retention(RetentionPolicy.SOURCE)
61     @IntDef({
62             RoutingValue.AUTO,
63             RoutingValue.HEARING_DEVICE,
64             RoutingValue.DEVICE_SPEAKER,
65     })
66 
67     public @interface RoutingValue {
68         int AUTO = 0;
69         int HEARING_DEVICE = 1;
70         int DEVICE_SPEAKER = 2;
71     }
72 
73     public static final AudioDeviceAttributes DEVICE_SPEAKER_OUT = new AudioDeviceAttributes(
74             AudioDeviceAttributes.ROLE_OUTPUT, AudioDeviceInfo.TYPE_BUILTIN_SPEAKER, "");
75 }
76