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_OBSERVER_H 17 #define ST_DEVICE_STATUS_OBSERVER_H 18 19 #include "audio_info.h" 20 21 namespace OHOS { 22 namespace AudioStandard { 23 class IDeviceStatusObserver { 24 public: 25 virtual void OnDeviceStatusUpdated(DeviceType devType, bool isConnected, 26 const std::string &macAddress, const std::string &deviceName, 27 const AudioStreamInfo &streamInfo) = 0; 28 virtual void OnPnpDeviceStatusUpdated(DeviceType devType, bool isConnected) = 0; 29 virtual void OnDeviceConfigurationChanged(DeviceType deviceType, 30 const std::string &macAddress, const std::string &deviceName, 31 const AudioStreamInfo &streamInfo) = 0; 32 virtual void OnDeviceStatusUpdated(DStatusInfo statusInfo) = 0; 33 virtual void OnServiceConnected(AudioServiceIndex serviceIndex) = 0; 34 virtual void OnServiceDisconnected(AudioServiceIndex serviceIndex) = 0; 35 }; 36 } // namespace AudioStandard 37 } // namespace OHOS 38 #endif 39