1 /* 2 * Copyright (C) 2001 Peter Kelly (pmk (at) post.com) 3 * Copyright (C) 2001 Tobias Anton (anton (at) stud.fbi.fh-darmstadt.de) 4 * Copyright (C) 2006 Samuel Weinig (sam.weinig (at) gmail.com) 5 * Copyright (C) 2003, 2004, 2005, 2006, 2008 Apple Inc. All rights reserved. 6 * 7 * This library is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU Library General Public 9 * License as published by the Free Software Foundation; either 10 * version 2 of the License, or (at your option) any later version. 11 * 12 * This library is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * Library General Public License for more details. 16 * 17 * You should have received a copy of the GNU Library General Public License 18 * along with this library; see the file COPYING.LIB. If not, write to 19 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 20 * Boston, MA 02110-1301, USA. 21 * 22 */ 23 24 #ifndef MouseEvent_h 25 #define MouseEvent_h 26 27 #include "core/events/EventDispatchMediator.h" 28 #include "core/events/MouseRelatedEvent.h" 29 #include "platform/PlatformMouseEvent.h" 30 31 namespace blink { 32 33 class DataTransfer; 34 class EventDispatcher; 35 36 struct MouseEventInit : public UIEventInit { 37 MouseEventInit(); 38 39 int screenX; 40 int screenY; 41 int clientX; 42 int clientY; 43 bool ctrlKey; 44 bool altKey; 45 bool shiftKey; 46 bool metaKey; 47 unsigned short button; 48 RefPtrWillBeMember<EventTarget> relatedTarget; 49 }; 50 51 class MouseEvent : public MouseRelatedEvent { 52 DEFINE_WRAPPERTYPEINFO(); 53 public: 54 static PassRefPtrWillBeRawPtr<MouseEvent> create() 55 { 56 return adoptRefWillBeNoop(new MouseEvent); 57 } 58 59 static PassRefPtrWillBeRawPtr<MouseEvent> create(const AtomicString& type, bool canBubble, bool cancelable, PassRefPtrWillBeRawPtr<AbstractView>, 60 int detail, int screenX, int screenY, int pageX, int pageY, 61 int movementX, int movementY, 62 bool ctrlKey, bool altKey, bool shiftKey, bool metaKey, unsigned short button, 63 PassRefPtrWillBeRawPtr<EventTarget> relatedTarget, PassRefPtrWillBeRawPtr<DataTransfer>, 64 bool isSimulated = false, PlatformMouseEvent::SyntheticEventType = PlatformMouseEvent::RealOrIndistinguishable); 65 66 static PassRefPtrWillBeRawPtr<MouseEvent> create(const AtomicString& eventType, PassRefPtrWillBeRawPtr<AbstractView>, const PlatformMouseEvent&, int detail, PassRefPtrWillBeRawPtr<Node> relatedTarget); 67 68 static PassRefPtrWillBeRawPtr<MouseEvent> create(const AtomicString& eventType, const MouseEventInit&); 69 70 virtual ~MouseEvent(); 71 72 void initMouseEvent(const AtomicString& type, bool canBubble, bool cancelable, PassRefPtrWillBeRawPtr<AbstractView>, 73 int detail, int screenX, int screenY, int clientX, int clientY, 74 bool ctrlKey, bool altKey, bool shiftKey, bool metaKey, 75 unsigned short button, PassRefPtrWillBeRawPtr<EventTarget> relatedTarget); 76 77 // WinIE uses 1,4,2 for left/middle/right but not for click (just for mousedown/up, maybe others), 78 // but we will match the standard DOM. 79 unsigned short button() const { return m_button; } 80 bool buttonDown() const { return m_buttonDown; } 81 EventTarget* relatedTarget() const { return m_relatedTarget.get(); } 82 void setRelatedTarget(PassRefPtrWillBeRawPtr<EventTarget> relatedTarget) { m_relatedTarget = relatedTarget; } 83 84 Node* toElement() const; 85 Node* fromElement() const; 86 87 DataTransfer* dataTransfer() const { return isDragEvent() ? m_dataTransfer.get() : 0; } 88 89 bool fromTouch() const { return m_syntheticEventType == PlatformMouseEvent::FromTouch; } 90 91 virtual const AtomicString& interfaceName() const OVERRIDE; 92 93 virtual bool isMouseEvent() const OVERRIDE; 94 virtual bool isDragEvent() const OVERRIDE FINAL; 95 virtual int which() const OVERRIDE FINAL; 96 97 virtual void trace(Visitor*) OVERRIDE; 98 99 protected: 100 MouseEvent(const AtomicString& type, bool canBubble, bool cancelable, PassRefPtrWillBeRawPtr<AbstractView>, 101 int detail, int screenX, int screenY, int pageX, int pageY, 102 int movementX, int movementY, 103 bool ctrlKey, bool altKey, bool shiftKey, bool metaKey, unsigned short button, 104 PassRefPtrWillBeRawPtr<EventTarget> relatedTarget, PassRefPtrWillBeRawPtr<DataTransfer>, 105 bool isSimulated, PlatformMouseEvent::SyntheticEventType); 106 107 MouseEvent(const AtomicString& type, const MouseEventInit&); 108 109 MouseEvent(); 110 111 private: 112 unsigned short m_button; 113 bool m_buttonDown; 114 RefPtrWillBeMember<EventTarget> m_relatedTarget; 115 RefPtrWillBeMember<DataTransfer> m_dataTransfer; 116 PlatformMouseEvent::SyntheticEventType m_syntheticEventType; 117 }; 118 119 class SimulatedMouseEvent FINAL : public MouseEvent { 120 public: 121 static PassRefPtrWillBeRawPtr<SimulatedMouseEvent> create(const AtomicString& eventType, PassRefPtrWillBeRawPtr<AbstractView>, PassRefPtrWillBeRawPtr<Event> underlyingEvent); 122 virtual ~SimulatedMouseEvent(); 123 124 virtual void trace(Visitor*) OVERRIDE; 125 126 private: 127 SimulatedMouseEvent(const AtomicString& eventType, PassRefPtrWillBeRawPtr<AbstractView>, PassRefPtrWillBeRawPtr<Event> underlyingEvent); 128 }; 129 130 class MouseEventDispatchMediator FINAL : public EventDispatchMediator { 131 public: 132 enum MouseEventType { SyntheticMouseEvent, NonSyntheticMouseEvent}; 133 static PassRefPtrWillBeRawPtr<MouseEventDispatchMediator> create(PassRefPtrWillBeRawPtr<MouseEvent>, MouseEventType = NonSyntheticMouseEvent); 134 135 private: 136 explicit MouseEventDispatchMediator(PassRefPtrWillBeRawPtr<MouseEvent>, MouseEventType); 137 MouseEvent* event() const; 138 139 virtual bool dispatchEvent(EventDispatcher*) const OVERRIDE; 140 bool isSyntheticMouseEvent() const { return m_mouseEventType == SyntheticMouseEvent; } 141 MouseEventType m_mouseEventType; 142 }; 143 144 DEFINE_EVENT_TYPE_CASTS(MouseEvent); 145 146 } // namespace blink 147 148 #endif // MouseEvent_h 149
