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
|
/*
* 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, 2005, 2006, 2008, 2010 Apple Inc. All rights reserved.
* Copyright (C) 2013 Samsung Electronics. 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.
*/
#include "config.h"
#include "core/events/WheelEvent.h"
#include "core/clipboard/Clipboard.h"
#include "platform/PlatformWheelEvent.h"
namespace WebCore {
WheelEventInit::WheelEventInit()
: deltaX(0)
, deltaY(0)
, deltaZ(0)
, wheelDeltaX(0)
, wheelDeltaY(0)
, deltaMode(WheelEvent::DOM_DELTA_PIXEL)
{
}
WheelEvent::WheelEvent()
: m_deltaX(0)
, m_deltaY(0)
, m_deltaZ(0)
, m_deltaMode(DOM_DELTA_PIXEL)
, m_directionInvertedFromDevice(false)
{
ScriptWrappable::init(this);
}
WheelEvent::WheelEvent(const AtomicString& type, const WheelEventInit& initializer)
: MouseEvent(type, initializer)
, m_wheelDelta(initializer.wheelDeltaX ? initializer.wheelDeltaX : -initializer.deltaX, initializer.wheelDeltaY ? initializer.wheelDeltaY : -initializer.deltaY)
, m_deltaX(initializer.deltaX ? initializer.deltaX : -initializer.wheelDeltaX)
, m_deltaY(initializer.deltaY ? initializer.deltaY : -initializer.wheelDeltaY)
, m_deltaZ(initializer.deltaZ)
, m_deltaMode(initializer.deltaMode)
{
ScriptWrappable::init(this);
}
WheelEvent::WheelEvent(const FloatPoint& wheelTicks, const FloatPoint& rawDelta, unsigned deltaMode,
PassRefPtrWillBeRawPtr<AbstractView> view, const IntPoint& screenLocation, const IntPoint& pageLocation,
bool ctrlKey, bool altKey, bool shiftKey, bool metaKey, bool directionInvertedFromDevice)
: MouseEvent(EventTypeNames::wheel,
true, true, view, 0, screenLocation.x(), screenLocation.y(),
pageLocation.x(), pageLocation.y(),
0, 0,
ctrlKey, altKey, shiftKey, metaKey, 0, nullptr, nullptr, false)
, m_wheelDelta(wheelTicks.x() * TickMultiplier, wheelTicks.y() * TickMultiplier)
, m_deltaX(-rawDelta.x())
, m_deltaY(-rawDelta.y())
, m_deltaZ(0)
, m_deltaMode(deltaMode)
, m_directionInvertedFromDevice(directionInvertedFromDevice)
{
ScriptWrappable::init(this);
}
void WheelEvent::initWheelEvent(int rawDeltaX, int rawDeltaY, PassRefPtrWillBeRawPtr<AbstractView> view,
int screenX, int screenY, int pageX, int pageY,
bool ctrlKey, bool altKey, bool shiftKey, bool metaKey)
{
if (dispatched())
return;
initUIEvent(EventTypeNames::wheel, true, true, view, 0);
m_screenLocation = IntPoint(screenX, screenY);
m_ctrlKey = ctrlKey;
m_altKey = altKey;
m_shiftKey = shiftKey;
m_metaKey = metaKey;
m_wheelDelta = IntPoint(rawDeltaX * TickMultiplier, rawDeltaY * TickMultiplier);
m_deltaX = -rawDeltaX;
m_deltaY = -rawDeltaY;
m_deltaMode = DOM_DELTA_PIXEL;
m_directionInvertedFromDevice = false;
initCoordinates(IntPoint(pageX, pageY));
}
void WheelEvent::initWebKitWheelEvent(int rawDeltaX, int rawDeltaY, PassRefPtrWillBeRawPtr<AbstractView> view,
int screenX, int screenY, int pageX, int pageY,
bool ctrlKey, bool altKey, bool shiftKey, bool metaKey)
{
initWheelEvent(rawDeltaX, rawDeltaY, view, screenX, screenY, pageX, pageY,
ctrlKey, altKey, shiftKey, metaKey);
}
const AtomicString& WheelEvent::interfaceName() const
{
return EventNames::WheelEvent;
}
bool WheelEvent::isMouseEvent() const
{
return false;
}
bool WheelEvent::isWheelEvent() const
{
return true;
}
void WheelEvent::trace(Visitor* visitor)
{
MouseEvent::trace(visitor);
}
inline static unsigned deltaMode(const PlatformWheelEvent& event)
{
return event.granularity() == ScrollByPageWheelEvent ? WheelEvent::DOM_DELTA_PAGE : WheelEvent::DOM_DELTA_PIXEL;
}
PassRefPtrWillBeRawPtr<WheelEventDispatchMediator> WheelEventDispatchMediator::create(const PlatformWheelEvent& event, PassRefPtrWillBeRawPtr<AbstractView> view)
{
return adoptRefWillBeNoop(new WheelEventDispatchMediator(event, view));
}
WheelEventDispatchMediator::WheelEventDispatchMediator(const PlatformWheelEvent& event, PassRefPtrWillBeRawPtr<AbstractView> view)
{
if (!(event.deltaX() || event.deltaY()))
return;
setEvent(WheelEvent::create(FloatPoint(event.wheelTicksX(), event.wheelTicksY()), FloatPoint(event.deltaX(), event.deltaY()),
deltaMode(event), view, event.globalPosition(), event.position(),
event.ctrlKey(), event.altKey(), event.shiftKey(), event.metaKey(), event.directionInvertedFromDevice()));
}
WheelEvent* WheelEventDispatchMediator::event() const
{
return toWheelEvent(EventDispatchMediator::event());
}
bool WheelEventDispatchMediator::dispatchEvent(EventDispatcher* dispatcher) const
{
ASSERT(event());
return EventDispatchMediator::dispatchEvent(dispatcher) && !event()->defaultHandled();
}
} // namespace WebCore
|
