1/* 2 * Copyright (C) 2001 Peter Kelly (pmk@post.com) 3 * Copyright (C) 2001 Tobias Anton (anton@stud.fbi.fh-darmstadt.de) 4 * Copyright (C) 2006 Samuel Weinig (sam.weinig@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 "EventDispatchMediator.h" 28#include "MouseRelatedEvent.h" 29 30namespace WebCore { 31 32class Clipboard; 33class EventDispatcher; 34class PlatformMouseEvent; 35 36struct 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 51class MouseEvent : public MouseRelatedEvent { 52public: 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#if ENABLE(POINTER_LOCK) 61 int movementX, int movementY, 62#endif 63 bool ctrlKey, bool altKey, bool shiftKey, bool metaKey, unsigned short button, 64 PassRefPtr<EventTarget> relatedTarget); 65 66 static PassRefPtr<MouseEvent> create(const AtomicString& type, bool canBubble, bool cancelable, PassRefPtr<AbstractView>, 67 int detail, int screenX, int screenY, int pageX, int pageY, 68#if ENABLE(POINTER_LOCK) 69 int movementX, int movementY, 70#endif 71 bool ctrlKey, bool altKey, bool shiftKey, bool metaKey, unsigned short button, 72 PassRefPtr<EventTarget> relatedTarget, PassRefPtr<Clipboard>, bool isSimulated = false); 73 74 static PassRefPtr<MouseEvent> create(const AtomicString& eventType, PassRefPtr<AbstractView>, const PlatformMouseEvent&, int detail, PassRefPtr<Node> relatedTarget); 75 76 static PassRefPtr<MouseEvent> create(const AtomicString& eventType, const MouseEventInit&); 77 78 virtual ~MouseEvent(); 79 80 void initMouseEvent(const AtomicString& type, bool canBubble, bool cancelable, PassRefPtr<AbstractView>, 81 int detail, int screenX, int screenY, int clientX, int clientY, 82 bool ctrlKey, bool altKey, bool shiftKey, bool metaKey, 83 unsigned short button, PassRefPtr<EventTarget> relatedTarget); 84 85 // WinIE uses 1,4,2 for left/middle/right but not for click (just for mousedown/up, maybe others), 86 // but we will match the standard DOM. 87 unsigned short button() const { return m_button; } 88 bool buttonDown() const { return m_buttonDown; } 89 EventTarget* relatedTarget() const { return m_relatedTarget.get(); } 90 void setRelatedTarget(PassRefPtr<EventTarget> relatedTarget) { m_relatedTarget = relatedTarget; } 91 92 Clipboard* clipboard() const { return m_clipboard.get(); } 93 94 Node* toElement() const; 95 Node* fromElement() const; 96 97 Clipboard* dataTransfer() const { return isDragEvent() ? m_clipboard.get() : 0; } 98 99 virtual const AtomicString& interfaceName() const; 100 101 virtual bool isMouseEvent() const; 102 virtual bool isDragEvent() const; 103 virtual int which() const; 104 105 virtual PassRefPtr<Event> cloneFor(HTMLIFrameElement*) const OVERRIDE; 106 107protected: 108 MouseEvent(const AtomicString& type, bool canBubble, bool cancelable, PassRefPtr<AbstractView>, 109 int detail, int screenX, int screenY, int pageX, int pageY, 110#if ENABLE(POINTER_LOCK) 111 int movementX, int movementY, 112#endif 113 bool ctrlKey, bool altKey, bool shiftKey, bool metaKey, unsigned short button, 114 PassRefPtr<EventTarget> relatedTarget, PassRefPtr<Clipboard>, bool isSimulated); 115 116 MouseEvent(const AtomicString& type, const MouseEventInit&); 117 118 MouseEvent(); 119 120private: 121 unsigned short m_button; 122 bool m_buttonDown; 123 RefPtr<EventTarget> m_relatedTarget; 124 RefPtr<Clipboard> m_clipboard; 125}; 126 127class SimulatedMouseEvent : public MouseEvent { 128public: 129 static PassRefPtr<SimulatedMouseEvent> create(const AtomicString& eventType, PassRefPtr<AbstractView>, PassRefPtr<Event> underlyingEvent); 130 virtual ~SimulatedMouseEvent(); 131 132private: 133 SimulatedMouseEvent(const AtomicString& eventType, PassRefPtr<AbstractView>, PassRefPtr<Event> underlyingEvent); 134}; 135 136class MouseEventDispatchMediator : public EventDispatchMediator { 137public: 138 enum MouseEventType { SyntheticMouseEvent, NonSyntheticMouseEvent}; 139 static PassRefPtr<MouseEventDispatchMediator> create(PassRefPtr<MouseEvent>, MouseEventType = NonSyntheticMouseEvent); 140 141private: 142 explicit MouseEventDispatchMediator(PassRefPtr<MouseEvent>, MouseEventType); 143 MouseEvent* event() const; 144 145 virtual bool dispatchEvent(EventDispatcher*) const OVERRIDE; 146 bool isSyntheticMouseEvent() const { return m_mouseEventType == SyntheticMouseEvent; } 147 MouseEventType m_mouseEventType; 148}; 149 150inline MouseEvent* toMouseEvent(Event* event) 151{ 152 ASSERT(event && event->isMouseEvent()); 153 return static_cast<MouseEvent*>(event); 154} 155 156} // namespace WebCore 157 158#endif // MouseEvent_h 159