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 ST_DEVICE_STATUS_LISTENER_H 17 #define ST_DEVICE_STATUS_LISTENER_H 18 19 #include <servmgr_hdi.h> 20 21 #include "audio_module_info.h" 22 #include "audio_events.h" 23 #include "idevice_status_observer.h" 24 25 namespace OHOS { 26 namespace AudioStandard { 27 class DeviceStatusListener { 28 public: 29 DeviceStatusListener(IDeviceStatusObserver &observer); 30 ~DeviceStatusListener(); 31 32 int32_t RegisterDeviceStatusListener(); 33 int32_t UnRegisterDeviceStatusListener(); 34 35 IDeviceStatusObserver &deviceObserver_; 36 37 private: 38 struct HDIServiceManager *hdiServiceManager_; 39 struct ServiceStatusListener *listener_; 40 }; 41 } // namespace AudioStandard 42 } // namespace OHOS 43 44 #endif // ST_DEVICE_STATUS_LISTENER_H 45