1 /* 2 * Copyright (c) 2025 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_SESSION_DEVICE_CALLBACK_H 16 #define NAPI_AUDIO_SESSION_DEVICE_CALLBACK_H 17 18 #include "audio_session_manager.h" 19 #include "napi/native_api.h" 20 #include "napi/native_node_api.h" 21 #include "napi_async_work.h" 22 23 namespace OHOS { 24 namespace AudioStandard { 25 26 const std::string AUDIO_SESSION_DEVICE_CALLBACK_NAME = "currentOutputDeviceChanged"; 27 28 class NapiAudioSessionDeviceCallback : public AudioSessionCurrentDeviceChangedCallback { 29 public: 30 explicit NapiAudioSessionDeviceCallback(napi_env env); 31 virtual ~NapiAudioSessionDeviceCallback(); 32 33 void OnAudioSessionCurrentDeviceChanged(const CurrentOutputDeviceChangedEvent &deviceEvent); 34 void SaveCallbackReference(napi_value args); 35 void CreateAudioSessionDeviceTsfn(napi_env env); 36 bool GetAudioSessionDeviceTsfnFlag() const; 37 bool ContainSameJsCallback(napi_value args); 38 39 private: 40 struct AudioSessionDeviceJsCallback { 41 std::shared_ptr<AutoRef> callback = nullptr; 42 std::string callbackName = "unknown"; 43 CurrentOutputDeviceChangedEvent audioSessionDeviceEvent; 44 }; 45 46 void OnJsCallbackAudioSessionDevice(std::unique_ptr<AudioSessionDeviceJsCallback> &jsCb); 47 static void AudioSessionDeviceTsfnFinalize(napi_env env, void *data, void *hint); 48 static void SafeJsCallbackAudioSessionDeviceWork(napi_env env, napi_value js_cb, void *context, void *data); 49 50 std::shared_ptr<AutoRef> audioSessionDeviceJsCallback_ = nullptr; 51 napi_ref callback_ = nullptr; 52 std::mutex mutex_; 53 napi_env env_; 54 bool regAmSessionDeviceChgTsfn_ = false; 55 napi_threadsafe_function amSessionDeviceChgTsfn_ = nullptr; 56 }; 57 } // namespace AudioStandard 58 } // namespace OHOS 59 #endif /* NAPI_AUDIO_SESSION_DEVICE_CALLBACK_H */