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/dom/EventDispatchMediator.h" 28 #include "core/dom/MouseRelatedEvent.h" 29 30 namespace WebCore { 31 32 class Clipboard; 33 class EventDispatcher; 34 class PlatformMouseEvent; 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 RefPtr<EventTarget> relatedTarget; 49 }; 50 51 class MouseEvent : public MouseRelatedEvent { 52 public: 53 static PassRefPtr<MouseEvent> create() 54 { 55 return adoptRef(new MouseEvent); 56 } 57 58 static PassRefPtr<MouseEvent> create(const AtomicString& type, bool canBubble, bool cancelable, PassRefPtr<AbstractView>, 59 int detail, int screenX, int screenY, int pageX, int pageY, 60 int movementX, int movementY, 61 bool ctrlKey, bool altKey, bool shiftKey, bool metaKey, unsigned short button, 62 PassRefPtr<EventTarget> relatedTarget); 63 64 static PassRefPtr<MouseEvent> create(const AtomicString& type, bool canBubble, bool cancelable, PassRefPtr<AbstractView>, 65 int detail, int screenX, int screenY, int pageX, int pageY, 66 int movementX, int movementY, 67 bool ctrlKey, bool altKey, bool shiftKey, bool metaKey, unsigned short button, 68 PassRefPtr<EventTarget> relatedTarget, PassRefPtr<Clipboard>, bool isSimulated = false); 69 70 static PassRefPtr<MouseEvent> create(const AtomicString& eventType, PassRefPtr<AbstractView>, const PlatformMouseEvent&, int detail, PassRefPtr<Node> relatedTarget); 71 72 static PassRefPtr<MouseEvent> create(const AtomicString& eventType, const MouseEventInit&); 73 74 virtual ~MouseEvent(); 75 76 void initMouseEvent(const AtomicString& type, bool canBubble, bool cancelable, PassRefPtr<AbstractView>, 77 int detail, int screenX, int screenY, int clientX, int clientY, 78 bool ctrlKey, bool altKey, bool shiftKey, bool metaKey, 79 unsigned short button, PassRefPtr<EventTarget> relatedTarget); 80 81 // WinIE uses 1,4,2 for left/middle/right but not for click (just for mousedown/up, maybe others), 82 // but we will match the standard DOM. 83 unsigned short button() const { return m_button; } 84 bool buttonDown() const { return m_buttonDown; } 85 EventTarget* relatedTarget() const { return m_relatedTarget.get(); } 86 void setRelatedTarget(PassRefPtr<EventTarget> relatedTarget) { m_relatedTarget = relatedTarget; } 87 88 Clipboard* clipboard() const { return m_clipboard.get(); } 89 90 Node* toElement() const; 91 Node* fromElement() const; 92 93 Clipboard* dataTransfer() const { return isDragEvent() ? m_clipboard.get() : 0; } 94 95 virtual const AtomicString& interfaceName() const; 96 97 virtual bool isMouseEvent() const; 98 virtual bool isDragEvent() const; 99 virtual int which() const; 100 101 protected: 102 MouseEvent(const AtomicString& type, bool canBubble, bool cancelable, PassRefPtr<AbstractView>, 103 int detail, int screenX, int screenY, int pageX, int pageY, 104 int movementX, int movementY, 105 bool ctrlKey, bool altKey, bool shiftKey, bool metaKey, unsigned short button, 106 PassRefPtr<EventTarget> relatedTarget, PassRefPtr<Clipboard>, bool isSimulated); 107 108 MouseEvent(const AtomicString& type, const MouseEventInit&); 109 110 MouseEvent(); 111 112 private: 113 unsigned short m_button; 114 bool m_buttonDown; 115 RefPtr<EventTarget> m_relatedTarget; 116 RefPtr<Clipboard> m_clipboard; 117 }; 118 119 class SimulatedMouseEvent : public MouseEvent { 120 public: 121 static PassRefPtr<SimulatedMouseEvent> create(const AtomicString& eventType, PassRefPtr<AbstractView>, PassRefPtr<Event> underlyingEvent); 122 virtual ~SimulatedMouseEvent(); 123 124 private: 125 SimulatedMouseEvent(const AtomicString& eventType, PassRefPtr<AbstractView>, PassRefPtr<Event> underlyingEvent); 126 }; 127 128 class MouseEventDispatchMediator : public EventDispatchMediator { 129 public: 130 enum MouseEventType { SyntheticMouseEvent, NonSyntheticMouseEvent}; 131 static PassRefPtr<MouseEventDispatchMediator> create(PassRefPtr<MouseEvent>, MouseEventType = NonSyntheticMouseEvent); 132 133 private: 134 explicit MouseEventDispatchMediator(PassRefPtr<MouseEvent>, MouseEventType); 135 MouseEvent* event() const; 136 137 virtual bool dispatchEvent(EventDispatcher*) const OVERRIDE; 138 bool isSyntheticMouseEvent() const { return m_mouseEventType == SyntheticMouseEvent; } 139 MouseEventType m_mouseEventType; 140 }; 141 142 inline MouseEvent* toMouseEvent(Event* event) 143 { 144 ASSERT_WITH_SECURITY_IMPLICATION(!event || event->isMouseEvent()); 145 return static_cast<MouseEvent*>(event); 146 } 147 148 } // namespace WebCore 149 150 #endif // MouseEvent_h 151
