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 EVENT_DISPATCH_HANDLER_H 17 #define EVENT_DISPATCH_HANDLER_H 18 19 #include <mutex> 20 #include <chrono> 21 22 #include "nocopyable.h" 23 24 #include "i_input_event_handler.h" 25 #include "key_event.h" 26 #include "key_event_value_transformation.h" 27 #include "pointer_event.h" 28 #include "uds_server.h" 29 #include "window_info.h" 30 31 namespace OHOS { 32 namespace MMI { 33 class EventDispatchHandler final : public IInputEventHandler { 34 struct DinputSimulateEvent { 35 uint32_t type { PointerEvent::SOURCE_TYPE_UNKNOWN }; 36 uint32_t code { PointerEvent::BUTTON_NONE }; 37 int32_t value { PointerEvent::POINTER_ACTION_UNKNOWN }; 38 }; 39 public: 40 EventDispatchHandler() = default; 41 DISALLOW_COPY_AND_MOVE(EventDispatchHandler); 42 ~EventDispatchHandler() override = default; 43 #ifdef OHOS_BUILD_ENABLE_KEYBOARD 44 void HandleKeyEvent(const std::shared_ptr<KeyEvent> keyEvent) override; 45 #endif // OHOS_BUILD_ENABLE_KEYBOARD 46 #ifdef OHOS_BUILD_ENABLE_POINTER 47 void HandlePointerEvent(const std::shared_ptr<PointerEvent> pointerEvent) override; 48 #endif // OHOS_BUILD_ENABLE_POINTER 49 #ifdef OHOS_BUILD_ENABLE_TOUCH 50 void HandleTouchEvent(const std::shared_ptr<PointerEvent> pointerEvent) override; 51 #endif // OHOS_BUILD_ENABLE_TOUCH 52 #ifdef OHOS_BUILD_ENABLE_KEYBOARD 53 int32_t DispatchKeyEventPid(UDSServer& udsServer, std::shared_ptr<KeyEvent> key); 54 int32_t DispatchKeyEvent(int32_t fd, UDSServer& udsServer, std::shared_ptr<KeyEvent> key); 55 #endif // OHOS_BUILD_ENABLE_KEYBOARD 56 #if defined(OHOS_BUILD_ENABLE_POINTER) || defined(OHOS_BUILD_ENABLE_TOUCH) 57 void HandlePointerEventInner(const std::shared_ptr<PointerEvent> point); 58 void NotifyPointerEventToRS(int32_t pointAction, const std::string& programName, uint32_t pid, int32_t pointCnt); 59 #endif // OHOS_BUILD_ENABLE_POINTER || OHOS_BUILD_ENABLE_TOUCH 60 std::chrono::time_point<std::chrono::high_resolution_clock> LasteventBeginTime_ = 61 std::chrono::high_resolution_clock::now(); 62 void SendWindowStateError(int32_t pid, int32_t windowId); 63 private: 64 void DispatchPointerEventInner(std::shared_ptr<PointerEvent> point, int32_t fd); 65 void HandleMultiWindowPointerEvent(std::shared_ptr<PointerEvent> point, 66 PointerEvent::PointerItem pointerItem); 67 bool ReissueEvent(std::shared_ptr<PointerEvent> &point, int32_t windowId, std::optional<WindowInfo> &windowInfo); 68 std::shared_ptr<WindowInfo> SearchCancelList(int32_t pointerId, int32_t windowId); 69 bool SearchWindow(std::vector<std::shared_ptr<WindowInfo>> &windowList, std::shared_ptr<WindowInfo> targetWindow); 70 int32_t GetClientFd(int32_t pid, std::shared_ptr<PointerEvent> point); 71 72 int32_t eventTime_ { 0 }; 73 int32_t currentTime_ { 0 }; 74 bool enableMark_ { true }; 75 std::map<int32_t, std::vector<std::shared_ptr<WindowInfo>>> cancelEventList_; 76 struct { 77 int32_t pid { -1 }; 78 int32_t windowId { -1 }; 79 int64_t startTime { -1 }; 80 } windowStateErrorInfo_; 81 #if defined(OHOS_BUILD_ENABLE_POINTER) || defined(OHOS_BUILD_ENABLE_TOUCH) 82 void FilterInvalidPointerItem(const std::shared_ptr<PointerEvent> pointEvent, int32_t fd); 83 #endif // OHOS_BUILD_ENABLE_POINTER || OHOS_BUILD_ENABLE_TOUCH 84 bool AcquireEnableMark(std::shared_ptr<PointerEvent> event); 85 }; 86 } // namespace MMI 87 } // namespace OHOS 88 #endif // EVENT_DISPATCH_HANDLER_H 89