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 EVENT_NORMALIZE_HANDLER_H 17 #define EVENT_NORMALIZE_HANDLER_H 18 19 #include <memory> 20 21 #include "i_input_event_handler.h" 22 #include "key_event_normalize.h" 23 24 namespace OHOS { 25 namespace MMI { 26 class EventNormalizeHandler : public IInputEventHandler { 27 public: 28 EventNormalizeHandler() = default; 29 ~EventNormalizeHandler() = default; 30 void HandleEvent(libinput_event* event, int64_t frameTime); 31 #ifdef OHOS_BUILD_ENABLE_KEYBOARD 32 void HandleKeyEvent(const std::shared_ptr<KeyEvent> keyEvent) override; 33 #endif // OHOS_BUILD_ENABLE_KEYBOARD 34 #ifdef OHOS_BUILD_ENABLE_POINTER 35 void HandlePointerEvent(const std::shared_ptr<PointerEvent> pointerEvent) override; 36 #endif // OHOS_BUILD_ENABLE_POINTER 37 #ifdef OHOS_BUILD_ENABLE_TOUCH 38 void HandleTouchEvent(const std::shared_ptr<PointerEvent> pointerEvent) override; 39 #endif // OHOS_BUILD_ENABLE_TOUCH 40 int32_t AddHandleTimer(int32_t timeout = 300); 41 #ifdef OHOS_BUILD_ENABLE_MOVE_EVENT_FILTERS 42 int32_t SetMoveEventFilters(bool flag); 43 #endif // OHOS_BUILD_ENABLE_MOVE_EVENT_FILTERS 44 45 private: 46 int32_t OnEventDeviceAdded(libinput_event *event); 47 int32_t OnEventDeviceRemoved(libinput_event *event); 48 int32_t HandleKeyboardEvent(libinput_event* event); 49 void Repeat(const std::shared_ptr<KeyEvent> keyEvent); 50 int32_t HandleTouchPadEvent(libinput_event* event); 51 bool HandleTouchPadTripleTapEvent(std::shared_ptr<PointerEvent> pointerEvent); 52 int32_t HandleGestureEvent(libinput_event* event); 53 int32_t HandleMouseEvent(libinput_event* event); 54 int32_t HandleTouchEvent(libinput_event* event, int64_t frameTime); 55 int32_t HandleSwitchInputEvent(libinput_event* event); 56 int32_t HandleTableToolEvent(libinput_event* event); 57 int32_t HandleJoystickEvent(libinput_event* event); 58 void HandlePalmEvent(libinput_event* event, std::shared_ptr<PointerEvent> pointerEvent); 59 bool JudgeIfSwipeInward(std::shared_ptr<PointerEvent> pointerEvent, 60 enum libinput_event_type type, libinput_event* event); 61 void SwipeInwardProcess(std::shared_ptr<PointerEvent> pointerEvent, 62 enum libinput_event_type type, libinput_event* event, int32_t* angleTolerance, int32_t lastDirection); 63 #ifdef OHOS_BUILD_ENABLE_KEYBOARD 64 void UpdateKeyEventHandlerChain(const std::shared_ptr<KeyEvent> keyEvent); 65 #endif // OHOS_BUILD_ENABLE_KEYBOARD 66 #ifdef OHOS_BUILD_ENABLE_MOVE_EVENT_FILTERS 67 bool HandleTouchEventWithFlag(const std::shared_ptr<PointerEvent> pointerEvent); 68 double CalcTouchOffset(const std::shared_ptr<PointerEvent> touchMoveEvent); 69 #endif // OHOS_BUILD_ENABLE_MOVE_EVENT_FILTERS 70 int32_t SetOriginPointerId(std::shared_ptr<PointerEvent> pointerEvent); 71 void PointerEventSetPressedKeys(std::shared_ptr<PointerEvent> pointerEvent); 72 bool TouchPadKnuckleDoubleClickHandle(libinput_event* event); 73 74 private: 75 int32_t timerId_ { -1 }; 76 bool isShield_ { false }; 77 std::set<int32_t> buttonIds_ {}; 78 #ifdef OHOS_BUILD_ENABLE_MOVE_EVENT_FILTERS 79 bool moveEventFilterFlag_ { false }; 80 std::list<PointerEvent::PointerItem> lastTouchDownItems_; 81 #endif // OHOS_BUILD_ENABLE_MOVE_EVENT_FILTERS 82 void ResetTouchUpEvent(std::shared_ptr<PointerEvent> pointerEvent, struct libinput_event *event); 83 bool ProcessNullEvent(libinput_event *event, int64_t frameTime); 84 #ifdef OHOS_BUILD_ENABLE_SWITCH 85 void RestoreTouchPadStatus(); 86 #endif // OHOS_BUILD_ENABLE_SWITCH 87 void TerminateRotate(libinput_event* event); 88 void TerminateAxis(libinput_event* event); 89 void CancelTwoFingerAxis(libinput_event* event); 90 }; 91 } // namespace MMI 92 } // namespace OHOS 93 #endif // EVENT_NORMALIZE_HANDLER_H