1 /* 2 * Copyright (c) 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_DRAG_LISTENER_H 17 #define I_DRAG_LISTENER_H 18 19 #include <memory> 20 21 #include "drag_data.h" 22 23 namespace OHOS { 24 namespace Msdp { 25 namespace DeviceStatus { 26 class IDragListener { 27 public: 28 IDragListener() = default; 29 virtual ~IDragListener() = default; 30 virtual void OnDragMessage(DragState state) = 0; 31 }; 32 using DragListenerPtr = std::shared_ptr<IDragListener>; 33 } // namespace DeviceStatus 34 } // namespace Msdp 35 } // namespace OHOS 36 #endif // I_DRAG_LISTENER_H 37