1 /* 2 * Copyright (c) 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 NAPI_AUDIO_RENDERER_STATE_CALLBACK_H 17 #define NAPI_AUDIO_RENDERER_STATE_CALLBACK_H 18 19 #include <uv.h> 20 #include "napi/native_api.h" 21 #include "napi/native_node_api.h" 22 #include "napi_async_work.h" 23 #include "audio_system_manager.h" 24 #include "audio_stream_manager.h" 25 26 namespace OHOS { 27 namespace AudioStandard { 28 class NapiAudioRendererStateCallback : public AudioRendererStateChangeCallback { 29 public: 30 explicit NapiAudioRendererStateCallback(napi_env env); 31 virtual ~NapiAudioRendererStateCallback(); 32 void SaveCallbackReference(napi_value args); 33 void RemoveCallbackReference(); 34 void OnRendererStateChange( 35 const std::vector<std::unique_ptr<AudioRendererChangeInfo>> &audioRendererChangeInfos) override; 36 37 private: 38 struct AudioRendererStateJsCallback { 39 std::shared_ptr<AutoRef> callback = nullptr; 40 std::vector<std::unique_ptr<AudioRendererChangeInfo>> changeInfos; 41 }; 42 43 static void WorkCallbackInterruptDone(uv_work_t *work, int status); 44 void OnJsCallbackRendererState(std::unique_ptr<AudioRendererStateJsCallback> &jsCb); 45 46 std::mutex mutex_; 47 napi_env env_ = nullptr; 48 std::shared_ptr<AutoRef> rendererStateCallback_ = nullptr; 49 }; 50 } // namespace AudioStandard 51 } // namespace OHOS 52 #endif /* NAPI_AUDIO_RENDERER_STATE_CALLBACK_H */