1 /* 2 * Copyright (c) 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 I_INPUT_EVENT_HANDLER_H 17 #define I_INPUT_EVENT_HANDLER_H 18 19 #include <memory> 20 21 #include "define_multimodal.h" 22 #include "key_event.h" 23 #include "pointer_event.h" 24 25 struct libinput_event; 26 27 namespace OHOS { 28 namespace MMI { 29 class IInputEventHandler { 30 public: 31 IInputEventHandler() = default; 32 DISALLOW_COPY_AND_MOVE(IInputEventHandler); 33 virtual ~IInputEventHandler() = default; 34 #ifdef OHOS_BUILD_ENABLE_KEYBOARD 35 virtual void HandleKeyEvent(const std::shared_ptr<KeyEvent> keyEvent) = 0; 36 #endif // OHOS_BUILD_ENABLE_KEYBOARD 37 #ifdef OHOS_BUILD_ENABLE_POINTER 38 virtual void HandlePointerEvent(const std::shared_ptr<PointerEvent> pointerEvent) = 0; 39 #endif // OHOS_BUILD_ENABLE_POINTER 40 #ifdef OHOS_BUILD_ENABLE_TOUCH 41 virtual void HandleTouchEvent(const std::shared_ptr<PointerEvent> pointerEvent) = 0; 42 #endif // OHOS_BUILD_ENABLE_TOUCH SetNext(std::shared_ptr<IInputEventHandler> nextHandler)43 virtual void SetNext(std::shared_ptr<IInputEventHandler> nextHandler) 44 { 45 nextHandler_ = nextHandler; 46 }; 47 48 protected: 49 std::shared_ptr<IInputEventHandler> nextHandler_ { nullptr }; 50 }; 51 } // namespace MMI 52 } // namespace OHOS 53 #endif // I_INPUT_EVENT_HANDLER_H