1 /* 2 * Copyright (c) 2021-2024 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_MONITOR_HANDLER_H 17 #define EVENT_MONITOR_HANDLER_H 18 19 #include <mutex> 20 #include <set> 21 #include <unordered_map> 22 #include <unordered_set> 23 24 #include "nocopyable.h" 25 26 #include "i_input_event_collection_handler.h" 27 #include "i_input_event_handler.h" 28 #include "input_handler_type.h" 29 #include "uds_session.h" 30 #include "nap_process.h" 31 #ifdef PLAYER_FRAMEWORK_EXISTS 32 #include "input_screen_capture_monitor_listener.h" 33 #endif 34 35 namespace OHOS { 36 namespace MMI { 37 class EventMonitorHandler final : public IInputEventHandler { 38 public: 39 EventMonitorHandler() = default; 40 DISALLOW_COPY_AND_MOVE(EventMonitorHandler); 41 ~EventMonitorHandler() override = default; 42 #ifdef OHOS_BUILD_ENABLE_KEYBOARD 43 void HandleKeyEvent(const std::shared_ptr<KeyEvent> keyEvent) override; 44 #endif // OHOS_BUILD_ENABLE_KEYBOARD 45 #ifdef OHOS_BUILD_ENABLE_POINTER 46 void HandlePointerEvent(const std::shared_ptr<PointerEvent> pointerEvent) override; 47 #endif // OHOS_BUILD_ENABLE_POINTER 48 #ifdef OHOS_BUILD_ENABLE_TOUCH 49 void HandleTouchEvent(const std::shared_ptr<PointerEvent> pointerEvent) override; 50 #endif // OHOS_BUILD_ENABLE_TOUCH 51 int32_t AddInputHandler(InputHandlerType handlerType, 52 HandleEventType eventType, std::shared_ptr<IInputEventConsumer> callback); 53 void RemoveInputHandler(InputHandlerType handlerType, 54 HandleEventType eventType, std::shared_ptr<IInputEventConsumer> callback); 55 int32_t AddInputHandler(InputHandlerType handlerType, HandleEventType eventType, SessionPtr session); 56 void RemoveInputHandler(InputHandlerType handlerType, HandleEventType eventType, SessionPtr session); 57 void MarkConsumed(int32_t eventId, SessionPtr session); 58 #ifdef OHOS_BUILD_ENABLE_KEYBOARD 59 bool OnHandleEvent(std::shared_ptr<KeyEvent> KeyEvent); 60 #endif // OHOS_BUILD_ENABLE_KEYBOARD 61 #if defined(OHOS_BUILD_ENABLE_POINTER) || defined(OHOS_BUILD_ENABLE_TOUCH) 62 bool OnHandleEvent(std::shared_ptr<PointerEvent> PointerEvent); 63 #endif // OHOS_BUILD_ENABLE_POINTER || OHOS_BUILD_ENABLE_TOUCH 64 void Dump(int32_t fd, const std::vector<std::string> &args); 65 #ifdef PLAYER_FRAMEWORK_EXISTS 66 void RegisterScreenCaptureListener(); 67 void OnScreenCaptureStarted(SessionPtr session); 68 void OnScreenCaptureFinished(SessionPtr session); 69 #endif 70 71 private: 72 void InitSessionLostCallback(); 73 void OnSessionLost(SessionPtr session); 74 75 private: 76 class SessionHandler { 77 public: 78 SessionHandler(InputHandlerType handlerType, HandleEventType eventType, 79 SessionPtr session, std::shared_ptr<IInputEventConsumer> cb = nullptr) 80 : handlerType_(handlerType), eventType_(eventType & HANDLE_EVENT_TYPE_ALL), 81 session_(session), callback(cb) {} SessionHandler(const SessionHandler & other)82 SessionHandler(const SessionHandler& other) 83 { 84 handlerType_ = other.handlerType_; 85 eventType_ = other.eventType_; 86 session_ = other.session_; 87 callback = other.callback; 88 } 89 void SendToClient(std::shared_ptr<KeyEvent> keyEvent, NetPacket &pkt) const; 90 void SendToClient(std::shared_ptr<PointerEvent> pointerEvent, NetPacket &pkt) const; 91 bool operator<(const SessionHandler& other) const 92 { 93 return (session_ < other.session_); 94 } 95 InputHandlerType handlerType_; 96 HandleEventType eventType_; 97 SessionPtr session_ { nullptr }; 98 std::shared_ptr<IInputEventConsumer> callback {nullptr}; 99 }; 100 101 class MonitorCollection : public IInputEventCollectionHandler, protected NoCopyable { 102 public: 103 #ifdef OHOS_BUILD_ENABLE_KEYBOARD 104 virtual bool HandleEvent(std::shared_ptr<KeyEvent> KeyEvent) override; 105 #endif // OHOS_BUILD_ENABLE_KEYBOARD 106 #if defined(OHOS_BUILD_ENABLE_POINTER) || defined(OHOS_BUILD_ENABLE_TOUCH) 107 virtual bool HandleEvent(std::shared_ptr<PointerEvent> pointerEvent) override; 108 #endif // OHOS_BUILD_ENABLE_POINTER || OHOS_BUILD_ENABLE_TOUCH 109 int32_t AddMonitor(const SessionHandler& mon); 110 void RemoveMonitor(const SessionHandler& mon); 111 void MarkConsumed(int32_t eventId, SessionPtr session); 112 113 bool HasMonitor(SessionPtr session); 114 bool HasScreenCaptureMonitor(SessionPtr session); 115 void RemoveScreenCaptureMonitor(SessionPtr session); 116 void RecoveryScreenCaptureMonitor(SessionPtr session); 117 #ifdef OHOS_BUILD_ENABLE_TOUCH 118 void UpdateConsumptionState(std::shared_ptr<PointerEvent> pointerEvent); 119 #endif // OHOS_BUILD_ENABLE_TOUCH 120 #if defined(OHOS_BUILD_ENABLE_POINTER) || defined(OHOS_BUILD_ENABLE_TOUCH) 121 void Monitor(std::shared_ptr<PointerEvent> pointerEvent); 122 #endif // OHOS_BUILD_ENABLE_POINTER || OHOS_BUILD_ENABLE_TOUCH 123 void OnSessionLost(SessionPtr session); 124 void Dump(int32_t fd, const std::vector<std::string> &args); 125 bool CheckIfNeedSendToClient(SessionHandler monitor, std::shared_ptr<PointerEvent> pointerEvent); 126 bool IsPinch(std::shared_ptr<PointerEvent> pointerEvent); 127 bool IsRotate(std::shared_ptr<PointerEvent> pointerEvent); 128 bool IsThreeFingersSwipe(std::shared_ptr<PointerEvent> pointerEvent); 129 bool IsFourFingersSwipe(std::shared_ptr<PointerEvent> pointerEvent); 130 bool IsBeginAndEnd(std::shared_ptr<PointerEvent> pointerEvent); 131 bool IsThreeFingersTap(std::shared_ptr<PointerEvent> pointerEvent); 132 #ifdef OHOS_BUILD_ENABLE_FINGERPRINT 133 bool IsFingerprint(std::shared_ptr<PointerEvent> pointerEvent); 134 #endif // OHOS_BUILD_ENABLE_FINGERPRINT 135 136 struct ConsumptionState { 137 std::set<int32_t> eventIds_; 138 bool isMonitorConsumed_ { false }; 139 std::shared_ptr<PointerEvent> lastPointerEvent_ { nullptr }; 140 }; 141 142 private: 143 std::set<SessionHandler> monitors_; 144 std::map<int32_t, std::set<SessionHandler>> endScreenCaptureMonitors_; 145 std::unordered_map<int32_t, ConsumptionState> states_; 146 }; 147 148 private: 149 bool sessionLostCallbackInitialized_ { false }; 150 MonitorCollection monitors_; 151 #ifdef PLAYER_FRAMEWORK_EXISTS 152 sptr<InputScreenCaptureMonitorListener> screenCaptureMonitorListener_ { nullptr }; 153 #endif 154 }; 155 } // namespace MMI 156 } // namespace OHOS 157 #endif // EVENT_MONITOR_HANDLER_H