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 void CreateManagerMicStateChangeTsfn(napi_env env); 37 bool GetManagerMicStateChangeTsfnFlag(); 38 39 private: 40 struct AudioManagerMicStateChangeJsCallback { 41 std::shared_ptr<AutoRef> callback = nullptr; 42 std::string callbackName = "unknown"; 43 MicStateChangeEvent micStateChangeEvent; 44 }; 45 46 void OnJsCallbackMicStateChange(std::unique_ptr<AudioManagerMicStateChangeJsCallback> &jsCb); 47 static void MicStateChangeTsfnFinalize(napi_env env, void *data, void *hint); 48 static void SafeJsCallbackMicStateChangeWork(napi_env env, napi_value js_cb, void *context, void *data); 49 50 std::mutex mutex_; 51 napi_env env_ = nullptr; 52 std::shared_ptr<AutoRef> micStateChangeCallback_ = nullptr; 53 bool regAmMicStateChgTsfn_ = false; 54 napi_threadsafe_function amMicStateChgTsfn_ = nullptr; 55 }; 56 } // namespace AudioStandard 57 } // namespace OHOS 58 #endif /* NAPI_AUDIO_MICSTATECHANGE_CALLBACK_H */