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_RENDERER_DEVICE_CHANGE_CALLBACK_H 16 #define NAPI_AUDIO_RENDERER_DEVICE_CHANGE_CALLBACK_H 17 18 #include <uv.h> 19 #include "napi/native_api.h" 20 #include "napi/native_node_api.h" 21 #include "napi_async_work.h" 22 #include "audio_renderer.h" 23 #include "napi_audio_renderer_callback_inner.h" 24 #include "napi_audio_renderer_callback.h" 25 26 namespace OHOS { 27 namespace AudioStandard { 28 class NapiAudioRendererDeviceChangeCallback : public AudioRendererOutputDeviceChangeCallback, 29 public NapiAudioRendererCallbackInner { 30 public: 31 explicit NapiAudioRendererDeviceChangeCallback(napi_env env); 32 ~NapiAudioRendererDeviceChangeCallback() override; 33 void AddCallbackReference(napi_value args); 34 void RemoveCallbackReference(napi_env env, napi_value args); 35 void OnOutputDeviceChange(const AudioDeviceDescriptor &deviceInfo, 36 const AudioStreamDeviceChangeReason reason) override; 37 void RemoveAllCallbacks(); 38 void OnStateChange(const AudioDeviceDescriptor &deviceInfo); 39 int32_t GetCallbackListSize() const; 40 void CreateRendererDeviceChangeTsfn(napi_env env); 41 bool GetRendererDeviceChangeTsfnFlag(); 42 void SaveCallbackReference(const std::string &callbackName, napi_value args) override; 43 void RemoveCallbackReference(const std::string &callbackName, napi_env env, 44 napi_value callback, napi_value args = nullptr) override; 45 bool CheckIfTargetCallbackName(const std::string &callbackName) override; 46 protected: 47 std::shared_ptr<AutoRef> GetCallback(const std::string &callbackName) override; 48 napi_env &GetEnv() override; 49 private: 50 struct AudioRendererDeviceChangeJsCallback { 51 napi_ref callback_; 52 napi_env env_; 53 AudioDeviceDescriptor deviceInfo_ = AudioDeviceDescriptor(AudioDeviceDescriptor::DEVICE_INFO); 54 }; 55 56 void OnJsCallbackRendererDeviceInfo(napi_ref method, const AudioDeviceDescriptor &deviceInfo); 57 static void RendererDeviceInfoTsfnFinalize(napi_env env, void *data, void *hint); 58 static void SafeJsCallbackRendererDeviceInfoWork(napi_env env, napi_value js_cb, void *context, void *data); 59 60 std::mutex mutex_; 61 napi_env env_ = nullptr; 62 std::list<std::shared_ptr<AutoRef>> callbacks_ {}; 63 bool regArDevInfoTsfn_ = false; 64 napi_threadsafe_function arDevInfoTsfn_ = nullptr; 65 }; 66 67 class NapiAudioRendererOutputDeviceChangeWithInfoCallback : public AudioRendererOutputDeviceChangeCallback, 68 public NapiAudioRendererCallbackInner { 69 public: 70 explicit NapiAudioRendererOutputDeviceChangeWithInfoCallback(napi_env env); 71 ~NapiAudioRendererOutputDeviceChangeWithInfoCallback() override; 72 void AddCallbackReference(napi_value args); 73 void RemoveCallbackReference(napi_env env, napi_value args); 74 void OnOutputDeviceChange(const AudioDeviceDescriptor &deviceInfo, 75 const AudioStreamDeviceChangeReason reason) override; 76 void RemoveAllCallbacks(); 77 int32_t GetCallbackListSize() const; 78 void CreateOutputDeviceChangeTsfn(napi_env env); 79 bool GetOutputDeviceChangeTsfnFlag(); 80 void SaveCallbackReference(const std::string &callbackName, napi_value args) override; 81 void RemoveCallbackReference(const std::string &callbackName, napi_env env, napi_value callback, 82 napi_value args = nullptr) override; 83 bool CheckIfTargetCallbackName(const std::string &callbackName) override; 84 85 protected: 86 std::shared_ptr<AutoRef> GetCallback(const std::string &callbackName) override; 87 napi_env &GetEnv() override; 88 89 private: 90 struct AudioRendererOutputDeviceChangeWithInfoJsCallback { 91 napi_ref callback_; 92 napi_env env_; 93 AudioDeviceDescriptor deviceInfo_ = AudioDeviceDescriptor(AudioDeviceDescriptor::DEVICE_INFO); 94 AudioStreamDeviceChangeReason reason_; 95 }; 96 97 void OnJsCallbackOutputDeviceInfo(napi_ref method, const AudioDeviceDescriptor &deviceInfo, 98 const AudioStreamDeviceChangeReason reason); 99 static void SafeJsCallbackOutputDeviceInfoWork(napi_env env, napi_value js_cb, void *context, void *data); 100 static void OutputDeviceInfoTsfnFinalize(napi_env env, void *data, void *hint); 101 102 std::mutex mutex_; 103 napi_env env_ = nullptr; 104 std::list<std::shared_ptr<AutoRef>> callbacks_ {}; 105 bool regArOutputDevChg_ = false; 106 napi_threadsafe_function arOutputDevChgTsfn_ = nullptr; 107 }; 108 } // namespace AudioStandard 109 } // namespace OHOS 110 #endif // NAPI_AUDIO_RENDERER_DEVICE_CHANGE_CALLBACK_H 111