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