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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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