1 /* 2 * Copyright (c) 2022-2023 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 16 #ifndef I_DEVICE_MANAGER_H 17 #define I_DEVICE_MANAGER_H 18 19 #include <memory> 20 #include <string> 21 #include <vector> 22 23 #include "i_device.h" 24 #include "i_device_observer.h" 25 26 namespace OHOS { 27 namespace Msdp { 28 namespace DeviceStatus { 29 class IDeviceManager { 30 public: 31 IDeviceManager() = default; 32 virtual ~IDeviceManager() = default; 33 virtual std::shared_ptr<IDevice> GetDevice(int32_t id) const = 0; 34 virtual int32_t AddDeviceObserver(std::weak_ptr<IDeviceObserver> observer) = 0; 35 virtual void RemoveDeviceObserver(std::weak_ptr<IDeviceObserver> observer) = 0; 36 virtual void RetriggerHotplug(std::weak_ptr<IDeviceObserver> observer) = 0; 37 }; 38 } // namespace DeviceStatus 39 } // namespace Msdp 40 } // namespace OHOS 41 #endif // I_DEVICE_MANAGER_H