1 /* 2 * Copyright (c) Huawei Technologies Co., Ltd. 2025. All rights reserved. 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_BACKGROUND_ADAPTER 17 #define AUDIO_BACKGROUND_ADAPTER 18 19 #include <mutex> 20 #include <list> 21 #include <map> 22 #include "audio_system_manager.h" 23 #include "i_player_service.h" 24 25 namespace OHOS { 26 namespace Media { 27 class AudioBackgroundAdapter 28 : public AudioStandard::AudioBackgroundMuteCallback, 29 public std::enable_shared_from_this<AudioBackgroundAdapter> { 30 public: 31 static AudioBackgroundAdapter &Instance(); 32 void AddListener(std::weak_ptr<IPlayerService> player, int32_t uid); 33 void OnAudioRestart(); 34 AudioBackgroundAdapter(); 35 ~AudioBackgroundAdapter(); 36 37 private: 38 void Init(); 39 void OnBackgroundMute(const int32_t uid) override; 40 41 static std::shared_ptr<AudioBackgroundAdapter> instance_; 42 static std::once_flag onceFlag_; 43 std::atomic<bool> init_ = false; 44 std::map<int32_t, std::list<std::weak_ptr<IPlayerService>>> playerMap_; 45 std::mutex mutex_; 46 std::mutex initMutex_; 47 }; 48 } 49 } 50 #endif // AUDIO_BACKGROUND_ADAPTER