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_CAPTURER_DEVICE_CHANGE_CALLBACK_H 16 #define NAPI_AUDIO_CAPTURER_DEVICE_CHANGE_CALLBACK_H 17 18 #include <uv.h> 19 #include <list> 20 #include "napi/native_api.h" 21 #include "napi/native_node_api.h" 22 #include "napi_async_work.h" 23 #include "audio_capturer.h" 24 #include "napi_audio_capturer_callback_inner.h" 25 #include "napi_audio_capturer_callbacks.h" 26 27 namespace OHOS { 28 namespace AudioStandard { 29 class NapiAudioCapturerDeviceChangeCallback : public AudioCapturerDeviceChangeCallback, 30 public NapiAudioCapturerCallbackInner { 31 public: 32 explicit NapiAudioCapturerDeviceChangeCallback(napi_env env); 33 ~NapiAudioCapturerDeviceChangeCallback() override; 34 void SaveCallbackReference(const std::string &callbackName, napi_value args) override; 35 void RemoveCallbackReference(const std::string &callbackName, napi_env env, napi_value callback) override; 36 void OnStateChange(const AudioDeviceDescriptor &deviceInfo) override; 37 bool ContainSameJsCallback(napi_value args); 38 void CreateCaptureDeviceChangeTsfn(napi_env env); 39 bool CheckIfTargetCallbackName(const std::string &callbackName) override; 40 protected: 41 std::shared_ptr<AutoRef> GetCallback(const std::string &callbackName) override; 42 napi_env &GetEnv() override; 43 private: 44 struct AudioCapturerDeviceChangeJsCallback { 45 napi_ref callback_; 46 napi_env env_; 47 AudioDeviceDescriptor deviceInfo_ = AudioDeviceDescriptor(AudioDeviceDescriptor::DEVICE_INFO); 48 }; 49 50 void OnJsCallbackCapturerDeviceInfo(napi_ref method, const AudioDeviceDescriptor &deviceInfo); 51 static void CaptureDeviceInfoTsfnFinalize(napi_env env, void *data, void *hint); 52 static void SafeJsCallbackCapturerDeviceInfoWork(napi_env env, napi_value js_cb, void *context, void *data); 53 54 std::mutex mutex_; 55 napi_env env_ = nullptr; 56 napi_ref callback_ = nullptr; 57 bool regAcDevChgTsfn_ = false; 58 napi_threadsafe_function acDevChgTsfn_ = nullptr; 59 std::shared_ptr<AutoRef> callbackPtr_ = nullptr; 60 }; 61 } // namespace AudioStandard 62 } // namespace OHOS 63 #endif /* NAPI_AUDIO_CAPTURER_DEVICE_CHANGE_CALLBACK_H */