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_RENDERER_CALLBACK_NAPI_H_ 17 #define AUDIO_RENDERER_CALLBACK_NAPI_H_ 18 19 #include "audio_common_napi.h" 20 #include "audio_renderer.h" 21 #include "napi/native_api.h" 22 #include "napi/native_node_api.h" 23 24 namespace OHOS { 25 namespace AudioStandard { 26 class AudioRendererCallbackNapi : public AudioRendererCallback { 27 public: 28 explicit AudioRendererCallbackNapi(napi_env env); 29 virtual ~AudioRendererCallbackNapi(); 30 void SaveCallbackReference(const std::string &callbackName, napi_value callback); 31 void OnInterrupt(const InterruptEvent &interruptEvent) override; 32 void OnStateChange(const RendererState state, const StateChangeCmdType __attribute__((unused)) cmdType) override; 33 private: 34 struct AudioRendererJsCallback { 35 std::shared_ptr<AutoRef> callback = nullptr; 36 std::string callbackName = "unknown"; 37 InterruptEvent interruptEvent; 38 RendererState state; 39 }; 40 41 void OnJsCallbackInterrupt(std::unique_ptr<AudioRendererJsCallback> &jsCb); 42 void OnJsCallbackStateChange(std::unique_ptr<AudioRendererJsCallback> &jsCb); 43 44 std::mutex mutex_; 45 napi_env env_ = nullptr; 46 std::shared_ptr<AutoRef> interruptCallback_ = nullptr; 47 std::shared_ptr<AutoRef> stateChangeCallback_ = nullptr; 48 }; 49 } // namespace AudioStandard 50 } // namespace OHOS 51 #endif // AUDIO_RENDERER_CALLBACK_NAPI_H_ 52