1 /*
2  * Copyright (c) 2022-2022 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 #ifndef AUDIO_GROUP_HANDLE_H
16 #define AUDIO_GROUP_HANDLE_H
17 
18 #include <iostream>
19 #include <string>
20 
21 namespace OHOS {
22 namespace AudioStandard {
23 static const int32_t MAX_ID = 10000;
24 static const int32_t GROUP_ID_NONE = -1;
25 static const int32_t NO_REMOTE_ID = -2;
26 static const std::string GROUP_NAME_NONE = "NO_GROUP";
27 static const std::string GROUP_NAME_DEFAULT = "DEFULT_GROUP";
28 
29 enum GroupType {
30     VOLUME_TYPE = 1,
31     INTERRUPT_TYPE = 2
32 };
33 
34 class AudioGroupHandle {
35 public:
GetInstance()36     static AudioGroupHandle& GetInstance()
37     {
38         static AudioGroupHandle audioGroupHandle;
39         return audioGroupHandle;
40     }
41 
42     int32_t GetNextId(GroupType type);
43 
44 private:
AudioGroupHandle()45     AudioGroupHandle()
46     {
47         currentVolumeId_ = 0;
48         currentInterruptId_ = 0;
49     }
50 
51     ~AudioGroupHandle();
52 
53     void CheckId(GroupType type);
54 
55     int32_t currentVolumeId_;
56     int32_t currentInterruptId_;
57 };
58 } // namespace AudioStandard
59 } // namespace OHOS
60 #endif // AUDIO_GROUP_HANDLE_H