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 16 #ifndef NAPI_APPVOLUME_CHANGE_CALLBACK_H 17 #define NAPI_APPVOLUME_CHANGE_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 "napi_audio_manager.h" 24 #include "audio_system_manager.h" 25 26 namespace OHOS { 27 namespace AudioStandard { 28 const std::string APP_VOLUME_CHANGE_CALLBACK_NAME_FOR_UID = "appVolumeChangeForUid"; 29 const std::string APP_VOLUME_CHANGE_CALLBACK_NAME = "appVolumeChange"; 30 class NapiAudioManagerAppVolumeChangeCallback : public AudioManagerAppVolumeChangeCallback { 31 public: 32 explicit NapiAudioManagerAppVolumeChangeCallback(napi_env env); 33 virtual ~NapiAudioManagerAppVolumeChangeCallback(); 34 void SaveVolumeChangeCallbackForUidReference(const std::string &callbackName, napi_value args, int32_t appUid); 35 void SaveSelfVolumdChangeCallbackReference(const std::string &callbackName, napi_value args); 36 bool IsSameCallback(napi_env env, napi_value callback, napi_ref refCallback); 37 void RemoveCallbackReference(const napi_value args); 38 void OnAppVolumeChangedForUid(int32_t appUid, const VolumeEvent &event) override; 39 void OnSelfAppVolumeChanged(const VolumeEvent &event) override; 40 void CreateManagerAppVolumeChangeTsfn(napi_env env); 41 bool GetManagerAppVolumeChangeTsfnFlag(); 42 void RemoveAudioVolumeChangeForUidCbRef(napi_env env, napi_value callback); 43 void RemoveAllAudioVolumeChangeForUidCbRef(); 44 void RemoveSelfAudioVolumeChangeCbRef(napi_env env, napi_value callback); 45 void RemoveAllSelfAudioVolumeChangeCbRef(); 46 int32_t GetAppVolumeChangeForUidListSize(); 47 int32_t GetSelfAppVolumeChangeListSize(); 48 private: 49 struct AudioManagerAppVolumeChangeJsCallback { 50 std::shared_ptr<AutoRef> callback = nullptr; 51 std::string callbackName = "unknown"; 52 VolumeEvent appVolumeChangeEvent; 53 }; 54 55 void OnJsCallbackAppVolumeChange(std::unique_ptr<AudioManagerAppVolumeChangeJsCallback> &jsCb); 56 static void AppVolumeChangeTsfnFinalize(napi_env env, void *data, void *hint); 57 static void SafeJsCallbackAppVolumeChangeWork(napi_env env, napi_value js_cb, void *context, void *data); 58 59 std::mutex mutex_; 60 napi_env env_ = nullptr; 61 std::shared_ptr<AutoRef> appVolumeChangeCallback_ = nullptr; 62 std::list<std::pair<std::shared_ptr<AutoRef>, int32_t>> appVolumeChangeForUidList_; 63 std::list<std::shared_ptr<AutoRef>> selfAppVolumeChangeList_; 64 bool regAmAppVolumeChgTsfn_ = false; 65 napi_threadsafe_function amAppVolumeChgTsfn_ = nullptr; 66 }; 67 } 68 } 69 70 #endif