1 /*
2  * Copyright (c) 2023 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 
16 #ifndef ST_AUDIO_STATE_MANAGER_H
17 #define ST_AUDIO_STATE_MANAGER_H
18 
19 #include "audio_system_manager.h"
20 
21 namespace OHOS {
22 namespace AudioStandard {
23 using namespace std;
24 
25 class AudioStateManager {
26 public:
GetAudioStateManager()27     static AudioStateManager& GetAudioStateManager()
28     {
29         static AudioStateManager audioStateManager;
30         return audioStateManager;
31     }
32 
33     // Set media render device selected by the user
34     void SetPreferredMediaRenderDevice(const sptr<AudioDeviceDescriptor> &deviceDescriptor);
35 
36     // Set call render device selected by the user
37     void SetPreferredCallRenderDevice(const sptr<AudioDeviceDescriptor> &deviceDescriptor);
38 
39     // Set call capture device selected by the user
40     void SetPreferredCallCaptureDevice(const sptr<AudioDeviceDescriptor> &deviceDescriptor);
41 
42     // Set ring render device selected by the user
43     void SetPreferredRingRenderDevice(const sptr<AudioDeviceDescriptor> &deviceDescriptor);
44 
45     // Set record capture device selected by the user
46     void SetPreferredRecordCaptureDevice(const sptr<AudioDeviceDescriptor> &deviceDescriptor);
47 
48     // Set tone render device selected by the user
49     void SetPreferredToneRenderDevice(const sptr<AudioDeviceDescriptor> &deviceDescriptor);
50 
51     // Get media render device selected by the user
52     unique_ptr<AudioDeviceDescriptor> GetPreferredMediaRenderDevice();
53 
54     // Get call render device selected by the user
55     unique_ptr<AudioDeviceDescriptor> GetPreferredCallRenderDevice();
56 
57     // Get call capture device selected by the user
58     unique_ptr<AudioDeviceDescriptor> GetPreferredCallCaptureDevice();
59 
60     // Get ring render device selected by the user
61     unique_ptr<AudioDeviceDescriptor> GetPreferredRingRenderDevice();
62 
63     // Get record capture device selected by the user
64     unique_ptr<AudioDeviceDescriptor> GetPreferredRecordCaptureDevice();
65 
66     // Get tone render device selected by the user
67     unique_ptr<AudioDeviceDescriptor> GetPreferredToneRenderDevice();
68 
69     void UpdatePreferredMediaRenderDeviceConnectState(ConnectState state);
70     void UpdatePreferredCallRenderDeviceConnectState(ConnectState state);
71     void UpdatePreferredCallCaptureDeviceConnectState(ConnectState state);
72     void UpdatePreferredRecordCaptureDeviceConnectState(ConnectState state);
73 
74 private:
AudioStateManager()75     AudioStateManager() {};
~AudioStateManager()76     ~AudioStateManager() {};
77     sptr<AudioDeviceDescriptor> preferredMediaRenderDevice_ = new(std::nothrow) AudioDeviceDescriptor();
78     sptr<AudioDeviceDescriptor> preferredCallRenderDevice_ = new(std::nothrow) AudioDeviceDescriptor();
79     sptr<AudioDeviceDescriptor> preferredCallCaptureDevice_ = new(std::nothrow) AudioDeviceDescriptor();
80     sptr<AudioDeviceDescriptor> preferredRingRenderDevice_ = new(std::nothrow) AudioDeviceDescriptor();
81     sptr<AudioDeviceDescriptor> preferredRecordCaptureDevice_ = new(std::nothrow) AudioDeviceDescriptor();
82     sptr<AudioDeviceDescriptor> preferredToneRenderDevice_ = new(std::nothrow) AudioDeviceDescriptor();
83     std::mutex mutex_;
84 };
85 
86 } // namespace AudioStandard
87 } // namespace OHOS
88 
89 #endif // ST_AUDIO_STATE_MANAGER_H
90 
91