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_MICSTATECHANGE_CALLBACK_H
16 #define NAPI_AUDIO_MICSTATECHANGE_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 const std::string MIC_STATE_CHANGE_CALLBACK_NAME = "micStateChange";
27 
28 class NapiAudioManagerMicStateChangeCallback : public AudioManagerMicStateChangeCallback {
29 public:
30     explicit NapiAudioManagerMicStateChangeCallback(napi_env env);
31     virtual ~NapiAudioManagerMicStateChangeCallback();
32     void SaveCallbackReference(const std::string &callbackName, napi_value args);
33     bool IsSameCallback(const napi_value args);
34     void RemoveCallbackReference(const napi_value args);
35     void OnMicStateUpdated(const MicStateChangeEvent &micStateChangeEvent) override;
36 
37 private:
38     struct AudioManagerMicStateChangeJsCallback {
39         std::shared_ptr<AutoRef> callback = nullptr;
40         std::string callbackName = "unknown";
41         MicStateChangeEvent micStateChangeEvent;
42     };
43 
44     static void WorkCallbackInterruptDone(uv_work_t *work, int status);
45     void OnJsCallbackMicStateChange(std::unique_ptr<AudioManagerMicStateChangeJsCallback> &jsCb);
46 
47     std::mutex mutex_;
48     napi_env env_ = nullptr;
49     std::shared_ptr<AutoRef> micStateChangeCallback_ = nullptr;
50 };
51 } // namespace AudioStandard
52 } // namespace OHOS
53 #endif /* NAPI_AUDIO_MICSTATECHANGE_CALLBACK_H */