1 /* 2 * Copyright (c) 2021-2022 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 AUDIO_MANAGER_CALLBACK_NAPI_H_ 17 #define AUDIO_MANAGER_CALLBACK_NAPI_H_ 18 19 #include "audio_common_napi.h" 20 #include "audio_manager_napi.h" 21 #include "audio_system_manager.h" 22 #include "napi/native_api.h" 23 #include "napi/native_node_api.h" 24 25 namespace OHOS { 26 namespace AudioStandard { 27 namespace { 28 const std::string DEVICE_CHANGE_CALLBACK_NAME = "deviceChange"; 29 const std::string MIC_STATE_CHANGE_CALLBACK_NAME = "micStateChange"; 30 } 31 32 class AudioManagerCallbackNapi : public AudioManagerDeviceChangeCallback { 33 public: 34 explicit AudioManagerCallbackNapi(napi_env env); 35 virtual ~AudioManagerCallbackNapi(); 36 void SaveCallbackReference(const std::string &callbackName, napi_value callback); 37 void OnDeviceChange(const DeviceChangeAction &deviceChangeAction) override; 38 39 private: 40 struct AudioManagerJsCallback { 41 std::shared_ptr<AutoRef> callback = nullptr; 42 std::string callbackName = "unknown"; 43 DeviceChangeAction deviceChangeAction; 44 }; 45 46 void OnJsCallbackDeviceChange(std::unique_ptr<AudioManagerJsCallback> &jsCb); 47 48 std::mutex mutex_; 49 napi_env env_ = nullptr; 50 std::shared_ptr<AutoRef> deviceChangeCallback_ = nullptr; 51 }; 52 } // namespace AudioStandard 53 } // namespace OHOS 54 #endif // AUDIO_MANAGER_CALLBACK_NAPI_H_ 55