1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
|
/*
* Copyright (C) 2001 Peter Kelly (pmk@post.com)
* Copyright (C) 2001 Tobias Anton (anton@stud.fbi.fh-darmstadt.de)
* Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
* Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#ifndef Event_h
#define Event_h
#include "AtomicString.h"
#include "EventTarget.h"
#include <wtf/RefCounted.h>
namespace WebCore {
class Clipboard;
// FIXME: this should probably defined elsewhere.
typedef unsigned long long DOMTimeStamp;
class Event : public RefCounted<Event> {
public:
enum PhaseType {
CAPTURING_PHASE = 1,
AT_TARGET = 2,
BUBBLING_PHASE = 3
};
enum EventType {
MOUSEDOWN = 1,
MOUSEUP = 2,
MOUSEOVER = 4,
MOUSEOUT = 8,
MOUSEMOVE = 16,
MOUSEDRAG = 32,
CLICK = 64,
DBLCLICK = 128,
KEYDOWN = 256,
KEYUP = 512,
KEYPRESS = 1024,
DRAGDROP = 2048,
FOCUS = 4096,
BLUR = 8192,
SELECT = 16384,
CHANGE = 32768
};
static PassRefPtr<Event> create()
{
return adoptRef(new Event);
}
static PassRefPtr<Event> create(const AtomicString& type, bool canBubble, bool cancelable)
{
return adoptRef(new Event(type, canBubble, cancelable));
}
virtual ~Event();
void initEvent(const AtomicString& type, bool canBubble, bool cancelable);
const AtomicString& type() const { return m_type; }
EventTarget* target() const { return m_target.get(); }
void setTarget(PassRefPtr<EventTarget>);
EventTarget* currentTarget() const { return m_currentTarget; }
void setCurrentTarget(EventTarget* currentTarget) { m_currentTarget = currentTarget; }
unsigned short eventPhase() const { return m_eventPhase; }
void setEventPhase(unsigned short eventPhase) { m_eventPhase = eventPhase; }
bool bubbles() const { return m_canBubble; }
bool cancelable() const { return m_cancelable; }
DOMTimeStamp timeStamp() const { return m_createTime; }
void stopPropagation() { m_propagationStopped = true; }
// IE Extensions
EventTarget* srcElement() const { return target(); } // MSIE extension - "the object that fired the event"
bool returnValue() const { return !defaultPrevented(); }
void setReturnValue(bool returnValue) { setDefaultPrevented(!returnValue); }
Clipboard* clipboardData() const { return isClipboardEvent() ? clipboard() : 0; }
virtual bool isUIEvent() const;
virtual bool isMouseEvent() const;
virtual bool isMutationEvent() const;
virtual bool isKeyboardEvent() const;
virtual bool isTextEvent() const;
virtual bool isDragEvent() const; // a subset of mouse events
virtual bool isClipboardEvent() const;
virtual bool isMessageEvent() const;
virtual bool isWheelEvent() const;
virtual bool isBeforeTextInsertedEvent() const;
virtual bool isOverflowEvent() const;
virtual bool isPageTransitionEvent() const;
virtual bool isProgressEvent() const;
virtual bool isXMLHttpRequestProgressEvent() const;
virtual bool isWebKitAnimationEvent() const;
virtual bool isWebKitTransitionEvent() const;
#if ENABLE(SVG)
virtual bool isSVGZoomEvent() const;
#endif
#if ENABLE(DOM_STORAGE)
virtual bool isStorageEvent() const;
#endif
#if ENABLE(WORKERS)
virtual bool isErrorEvent() const;
#endif
bool propagationStopped() const { return m_propagationStopped; }
bool defaultPrevented() const { return m_defaultPrevented; }
void preventDefault() { if (m_cancelable) m_defaultPrevented = true; }
void setDefaultPrevented(bool defaultPrevented) { m_defaultPrevented = defaultPrevented; }
bool defaultHandled() const { return m_defaultHandled; }
void setDefaultHandled() { m_defaultHandled = true; }
bool cancelBubble() const { return m_cancelBubble; }
void setCancelBubble(bool cancel) { m_cancelBubble = cancel; }
Event* underlyingEvent() const { return m_underlyingEvent.get(); }
void setUnderlyingEvent(PassRefPtr<Event>);
virtual bool storesResultAsString() const;
virtual void storeResult(const String&);
virtual Clipboard* clipboard() const { return 0; }
protected:
Event();
Event(const AtomicString& type, bool canBubble, bool cancelable);
virtual void receivedTarget();
bool dispatched() const { return m_target; }
private:
AtomicString m_type;
bool m_canBubble;
bool m_cancelable;
bool m_propagationStopped;
bool m_defaultPrevented;
bool m_defaultHandled;
bool m_cancelBubble;
unsigned short m_eventPhase;
EventTarget* m_currentTarget;
RefPtr<EventTarget> m_target;
DOMTimeStamp m_createTime;
RefPtr<Event> m_underlyingEvent;
};
} // namespace WebCore
#endif // Event_h
|
