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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, 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 #include "config.h" | |
24 #include "core/events/Event.h" | |
25 | |
26 #include "core/events/EventNames.h" | |
27 #include "core/events/EventTarget.h" | |
28 #include "core/dom/StaticNodeList.h" | |
29 #include "wtf/CurrentTime.h" | |
30 #include "wtf/text/AtomicString.h" | |
31 | |
32 namespace WebCore { | |
33 | |
34 EventInit::EventInit() | |
35 : bubbles(false) | |
36 , cancelable(false) | |
37 { | |
38 } | |
39 | |
40 | |
41 Event::Event() | |
42 : m_canBubble(false) | |
43 , m_cancelable(false) | |
44 , m_propagationStopped(false) | |
45 , m_immediatePropagationStopped(false) | |
46 , m_defaultPrevented(false) | |
47 , m_defaultHandled(false) | |
48 , m_cancelBubble(false) | |
49 , m_eventPhase(0) | |
50 , m_currentTarget(0) | |
51 , m_createTime(convertSecondsToDOMTimeStamp(currentTime())) | |
52 { | |
53 ScriptWrappable::init(this); | |
54 } | |
55 | |
56 Event::Event(const AtomicString& eventType, bool canBubbleArg, bool cancelableAr
g) | |
57 : m_type(eventType) | |
58 , m_canBubble(canBubbleArg) | |
59 , m_cancelable(cancelableArg) | |
60 , m_propagationStopped(false) | |
61 , m_immediatePropagationStopped(false) | |
62 , m_defaultPrevented(false) | |
63 , m_defaultHandled(false) | |
64 , m_cancelBubble(false) | |
65 , m_eventPhase(0) | |
66 , m_currentTarget(0) | |
67 , m_createTime(convertSecondsToDOMTimeStamp(currentTime())) | |
68 { | |
69 ScriptWrappable::init(this); | |
70 } | |
71 | |
72 Event::Event(const AtomicString& eventType, const EventInit& initializer) | |
73 : m_type(eventType) | |
74 , m_canBubble(initializer.bubbles) | |
75 , m_cancelable(initializer.cancelable) | |
76 , m_propagationStopped(false) | |
77 , m_immediatePropagationStopped(false) | |
78 , m_defaultPrevented(false) | |
79 , m_defaultHandled(false) | |
80 , m_cancelBubble(false) | |
81 , m_eventPhase(0) | |
82 , m_currentTarget(0) | |
83 , m_createTime(convertSecondsToDOMTimeStamp(currentTime())) | |
84 { | |
85 ScriptWrappable::init(this); | |
86 } | |
87 | |
88 Event::~Event() | |
89 { | |
90 } | |
91 | |
92 void Event::initEvent(const AtomicString& eventTypeArg, bool canBubbleArg, bool
cancelableArg) | |
93 { | |
94 if (dispatched()) | |
95 return; | |
96 | |
97 m_propagationStopped = false; | |
98 m_immediatePropagationStopped = false; | |
99 m_defaultPrevented = false; | |
100 | |
101 m_type = eventTypeArg; | |
102 m_canBubble = canBubbleArg; | |
103 m_cancelable = cancelableArg; | |
104 } | |
105 | |
106 const AtomicString& Event::interfaceName() const | |
107 { | |
108 return eventNames().interfaceForEvent; | |
109 } | |
110 | |
111 bool Event::hasInterface(const AtomicString& name) const | |
112 { | |
113 return interfaceName() == name; | |
114 } | |
115 | |
116 bool Event::isUIEvent() const | |
117 { | |
118 return false; | |
119 } | |
120 | |
121 bool Event::isMouseEvent() const | |
122 { | |
123 return false; | |
124 } | |
125 | |
126 bool Event::isFocusEvent() const | |
127 { | |
128 return false; | |
129 } | |
130 | |
131 bool Event::isKeyboardEvent() const | |
132 { | |
133 return false; | |
134 } | |
135 | |
136 bool Event::isTouchEvent() const | |
137 { | |
138 return false; | |
139 } | |
140 | |
141 bool Event::isDragEvent() const | |
142 { | |
143 return false; | |
144 } | |
145 | |
146 bool Event::isClipboardEvent() const | |
147 { | |
148 return false; | |
149 } | |
150 | |
151 bool Event::isBeforeTextInsertedEvent() const | |
152 { | |
153 return false; | |
154 } | |
155 | |
156 bool Event::isBeforeUnloadEvent() const | |
157 { | |
158 return false; | |
159 } | |
160 | |
161 void Event::setTarget(PassRefPtr<EventTarget> target) | |
162 { | |
163 if (m_target == target) | |
164 return; | |
165 | |
166 m_target = target; | |
167 if (m_target) | |
168 receivedTarget(); | |
169 } | |
170 | |
171 void Event::receivedTarget() | |
172 { | |
173 } | |
174 | |
175 void Event::setUnderlyingEvent(PassRefPtr<Event> ue) | |
176 { | |
177 // Prohibit creation of a cycle -- just do nothing in that case. | |
178 for (Event* e = ue.get(); e; e = e->underlyingEvent()) | |
179 if (e == this) | |
180 return; | |
181 m_underlyingEvent = ue; | |
182 } | |
183 | |
184 PassRefPtr<NodeList> Event::path() const | |
185 { | |
186 if (!m_currentTarget || !m_currentTarget->toNode()) | |
187 return StaticNodeList::createEmpty(); | |
188 Node* node = m_currentTarget->toNode(); | |
189 size_t eventPathSize = m_eventPath.size(); | |
190 for (size_t i = 0; i < eventPathSize; ++i) { | |
191 if (node == m_eventPath[i]->node()) { | |
192 ASSERT(m_eventPath[i]->eventPath()); | |
193 return m_eventPath[i]->eventPath(); | |
194 } | |
195 } | |
196 return StaticNodeList::createEmpty(); | |
197 } | |
198 | |
199 } // namespace WebCore | |
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