1 /*
2  * Copyright (C) 2013 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.services.telephony.common;
18 
19 /**
20  * Container class for audio modes.
21  */
22 public class AudioMode {
23     // These can be used as a bit mask
24     public static int EARPIECE      = 0x00000001;
25     public static int BLUETOOTH     = 0x00000002;
26     public static int WIRED_HEADSET = 0x00000004;
27     public static int SPEAKER       = 0x00000008;
28 
29     public static int WIRED_OR_EARPIECE = EARPIECE | WIRED_HEADSET;
30     public static int ALL_MODES = EARPIECE | BLUETOOTH | WIRED_HEADSET | SPEAKER;
31 
toString(int mode)32     public static String toString(int mode) {
33         if ((mode & ~ALL_MODES) != 0x0) {
34             return "UNKNOWN";
35         }
36 
37         StringBuffer buffer = new StringBuffer();
38         if ((mode & EARPIECE) == EARPIECE) {
39             listAppend(buffer, "EARPIECE");
40         }
41         if ((mode & BLUETOOTH) == BLUETOOTH) {
42             listAppend(buffer, "BLUETOOTH");
43         }
44         if ((mode & WIRED_HEADSET) == WIRED_HEADSET) {
45             listAppend(buffer, "WIRED_HEADSET");
46         }
47         if ((mode & SPEAKER) == SPEAKER) {
48             listAppend(buffer, "SPEAKER");
49         }
50 
51         return buffer.toString();
52     }
53 
listAppend(StringBuffer buffer, String str)54     private static void listAppend(StringBuffer buffer, String str) {
55         if (buffer.length() > 0) {
56             buffer.append(", ");
57         }
58         buffer.append(str);
59     }
60 }
61