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
|
/*
* Copyright (C) 2018 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include "EventNames.h"
#include "MouseEvent.h"
#include "PointerEventTypeNames.h"
#include "PointerID.h"
#include <wtf/text/WTFString.h>
#if ENABLE(TOUCH_EVENTS) && PLATFORM(IOS_FAMILY)
#include "PlatformTouchEventIOS.h"
#endif
#if ENABLE(TOUCH_EVENTS) && PLATFORM(WPE)
#include "PlatformTouchEvent.h"
#endif
namespace WebCore {
class Node;
class PointerEvent final : public MouseEvent {
WTF_MAKE_ISO_ALLOCATED(PointerEvent);
public:
struct Init : MouseEventInit {
PointerID pointerId { mousePointerID };
double width { 1 };
double height { 1 };
float pressure { 0 };
float tangentialPressure { 0 };
long tiltX { 0 };
long tiltY { 0 };
long twist { 0 };
String pointerType { mousePointerEventType() };
bool isPrimary { false };
};
enum class IsPrimary : bool { No, Yes };
static Ref<PointerEvent> create(const AtomString& type, Init&& initializer)
{
return adoptRef(*new PointerEvent(type, WTFMove(initializer)));
}
static Ref<PointerEvent> createForPointerCapture(const AtomString& type, PointerID pointerId, bool isPrimary, String pointerType)
{
Init initializer;
initializer.bubbles = true;
initializer.pointerId = pointerId;
initializer.isPrimary = isPrimary;
initializer.pointerType = pointerType;
return adoptRef(*new PointerEvent(type, WTFMove(initializer)));
}
static Ref<PointerEvent> createForBindings()
{
return adoptRef(*new PointerEvent);
}
static RefPtr<PointerEvent> create(short button, const MouseEvent&, PointerID, const String& pointerType);
static Ref<PointerEvent> create(const AtomString& type, short button, const MouseEvent&, PointerID, const String& pointerType);
static Ref<PointerEvent> create(const AtomString& type, PointerID, const String& pointerType, IsPrimary = IsPrimary::No);
#if ENABLE(TOUCH_EVENTS) && (PLATFORM(IOS_FAMILY) || PLATFORM(WPE))
static Ref<PointerEvent> create(const PlatformTouchEvent&, unsigned touchIndex, bool isPrimary, Ref<WindowProxy>&&, const IntPoint& touchDelta = { });
static Ref<PointerEvent> create(const AtomString& type, const PlatformTouchEvent&, unsigned touchIndex, bool isPrimary, Ref<WindowProxy>&&, const IntPoint& touchDelta = { });
#endif
virtual ~PointerEvent();
PointerID pointerId() const { return m_pointerId; }
double width() const { return m_width; }
double height() const { return m_height; }
float pressure() const { return m_pressure; }
float tangentialPressure() const { return m_tangentialPressure; }
long tiltX() const { return m_tiltX; }
long tiltY() const { return m_tiltY; }
long twist() const { return m_twist; }
String pointerType() const { return m_pointerType; }
bool isPrimary() const { return m_isPrimary; }
bool isPointerEvent() const final { return true; }
// https://w3c.github.io/pointerevents/#attributes-and-default-actions
// Many user agents expose non-standard attributes fromElement and toElement in MouseEvents to
// support legacy content. In those user agents, the values of those (inherited) attributes in
// PointerEvents must be null to encourage the use of the standardized alternates (i.e. target
// and relatedTarget).
RefPtr<Node> toElement() const final { return nullptr; }
RefPtr<Node> fromElement() const final { return nullptr; }
EventInterface eventInterface() const override;
private:
static bool typeIsEnterOrLeave(const AtomString& type);
static CanBubble typeCanBubble(const AtomString& type) { return typeIsEnterOrLeave(type) ? CanBubble::No : CanBubble::Yes; }
static IsCancelable typeIsCancelable(const AtomString& type) { return typeIsEnterOrLeave(type) ? IsCancelable::No : IsCancelable::Yes; }
static IsComposed typeIsComposed(const AtomString& type) { return typeIsEnterOrLeave(type) ? IsComposed::No : IsComposed::Yes; }
#if PLATFORM(WPE)
static short buttonForType(const AtomString& type) { return type == eventNames().pointermoveEvent ? -1 : 0; }
static unsigned short buttonsForType(const AtomString& type)
{
// We have contact with the touch surface for most events except when we've released the touch or canceled it.
auto& eventNames = WebCore::eventNames();
return (type == eventNames.pointerupEvent || type == eventNames.pointeroutEvent || type == eventNames.pointerleaveEvent || type == eventNames.pointercancelEvent) ? 0 : 1;
}
#endif
PointerEvent();
PointerEvent(const AtomString&, Init&&);
PointerEvent(const AtomString& type, short button, const MouseEvent&, PointerID, const String& pointerType);
PointerEvent(const AtomString& type, PointerID, const String& pointerType, IsPrimary);
#if ENABLE(TOUCH_EVENTS) && (PLATFORM(IOS_FAMILY) || PLATFORM(WPE))
PointerEvent(const AtomString& type, const PlatformTouchEvent&, IsCancelable isCancelable, unsigned touchIndex, bool isPrimary, Ref<WindowProxy>&&, const IntPoint& touchDelta = { });
#endif
PointerID m_pointerId { mousePointerID };
double m_width { 1 };
double m_height { 1 };
float m_pressure { 0 };
float m_tangentialPressure { 0 };
long m_tiltX { 0 };
long m_tiltY { 0 };
long m_twist { 0 };
String m_pointerType { mousePointerEventType() };
bool m_isPrimary { false };
};
inline bool PointerEvent::typeIsEnterOrLeave(const AtomString& type)
{
auto& eventNames = WebCore::eventNames();
return type == eventNames.pointerenterEvent || type == eventNames.pointerleaveEvent;
}
} // namespace WebCore
SPECIALIZE_TYPE_TRAITS_EVENT(PointerEvent)
|
