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 #ifndef NAPI_AUDIO_ROUTING_MANAGER_CALLBACK_H
16 #define NAPI_AUDIO_ROUTING_MANAGER_CALLBACK_H
17 
18 #include <uv.h>
19 #include "napi/native_api.h"
20 #include "napi/native_node_api.h"
21 #include "napi_async_work.h"
22 #include "audio_system_manager.h"
23 
24 namespace OHOS {
25 namespace AudioStandard {
26 
27 const std::string PREFERRED_OUTPUT_DEVICE_CALLBACK_NAME = "preferredOutputDeviceChangeForRendererInfo";
28 const std::string PREFER_OUTPUT_DEVICE_CALLBACK_NAME = "preferOutputDeviceChangeForRendererInfo";
29 const std::string PREFERRED_INPUT_DEVICE_CALLBACK_NAME  = "preferredInputDeviceChangeForCapturerInfo";
30 
31 class NapiAudioPreferredOutputDeviceChangeCallback : public AudioPreferredOutputDeviceChangeCallback {
32 public:
33     explicit NapiAudioPreferredOutputDeviceChangeCallback(napi_env env);
34     virtual ~NapiAudioPreferredOutputDeviceChangeCallback();
35     void SaveCallbackReference(AudioStreamType streamType, napi_value callback);
36     void OnPreferredOutputDeviceUpdated(const std::vector<sptr<AudioDeviceDescriptor>> &desc) override;
37     void RemoveCallbackReference(napi_env env, napi_value callback);
38     void RemoveAllCallbacks();
39 
40 private:
41     struct AudioActiveOutputDeviceChangeJsCallback {
42         std::shared_ptr<AutoRef> callback = nullptr;
43         std::string callbackName = "unknown";
44         std::vector<sptr<AudioDeviceDescriptor>> desc;
45     };
46 
47     static void WorkCallbackInterruptDone(uv_work_t *work, int status);
48     void OnJsCallbackActiveOutputDeviceChange(std::unique_ptr<AudioActiveOutputDeviceChangeJsCallback> &jsCb);
49 
50     std::mutex mutex_;
51     napi_env env_ = nullptr;
52     std::shared_ptr<AutoRef> preferredOutputDeviceCallback_ = nullptr;
53     std::list<std::pair<std::shared_ptr<AutoRef>, AudioStreamType>> preferredOutputDeviceCbList_;
54 };
55 
56 class NapiAudioPreferredInputDeviceChangeCallback : public AudioPreferredInputDeviceChangeCallback {
57 public:
58     explicit NapiAudioPreferredInputDeviceChangeCallback(napi_env env);
59     virtual ~NapiAudioPreferredInputDeviceChangeCallback();
60     void SaveCallbackReference(SourceType sourceType, napi_value callback);
61     void OnPreferredInputDeviceUpdated(const std::vector<sptr<AudioDeviceDescriptor>> &desc) override;
62     void RemoveCallbackReference(napi_env env, napi_value callback);
63     void RemoveAllCallbacks();
64 
65 private:
66     struct AudioActiveInputDeviceChangeJsCallback {
67         std::shared_ptr<AutoRef> callback = nullptr;
68         std::string callbackName = "unknown";
69         std::vector<sptr<AudioDeviceDescriptor>> desc;
70     };
71 
72     static void WorkCallbackInterruptDone(uv_work_t *work, int status);
73     void OnJsCallbackActiveInputDeviceChange(std::unique_ptr<AudioActiveInputDeviceChangeJsCallback> &jsCb);
74 
75     std::mutex preferredInputListMutex_;
76     napi_env env_ = nullptr;
77     std::shared_ptr<AutoRef> preferredInputDeviceCallback_ = nullptr;
78     std::list<std::pair<std::shared_ptr<AutoRef>, SourceType>> preferredInputDeviceCbList_;
79 };
80 }  // namespace AudioStandard
81 }  // namespace OHOS
82 #endif /* NAPI_AUDIO_ROUTING_MANAGER_CALLBACK_H */