2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
3 * (C) 1999 Antti Koivisto (koivisto@kde.org)
4 * Copyright (C) 2004, 2005, 2006, 2007, 2010 Apple Inc. All rights reserved.
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Library General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Library General Public License for more details.
16 * You should have received a copy of the GNU Library General Public License
17 * along with this library; see the file COPYING.LIB. If not, write to
18 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
19 * Boston, MA 02110-1301, USA.
23 #include "core/html/HTMLMapElement.h"
25 #include "core/HTMLNames.h"
26 #include "core/dom/Document.h"
27 #include "core/dom/ElementTraversal.h"
28 #include "core/dom/NodeListsNodeData.h"
29 #include "core/frame/UseCounter.h"
30 #include "core/html/HTMLAreaElement.h"
31 #include "core/html/HTMLCollection.h"
32 #include "core/html/HTMLImageElement.h"
33 #include "core/rendering/HitTestResult.h"
37 using namespace HTMLNames;
39 inline HTMLMapElement::HTMLMapElement(Document& document)
40 : HTMLElement(mapTag, document)
42 ScriptWrappable::init(this);
43 UseCounter::count(document, UseCounter::MapElement);
46 DEFINE_NODE_FACTORY(HTMLMapElement)
48 HTMLMapElement::~HTMLMapElement()
52 bool HTMLMapElement::mapMouseEvent(LayoutPoint location, const LayoutSize& size, HitTestResult& result)
54 HTMLAreaElement* defaultArea = 0;
55 for (HTMLAreaElement* area = Traversal<HTMLAreaElement>::firstWithin(*this); area; area = Traversal<HTMLAreaElement>::next(*area, this)) {
56 if (area->isDefault()) {
59 } else if (area->mapMouseEvent(location, size, result)) {
65 result.setInnerNode(defaultArea);
66 result.setURLElement(defaultArea);
71 HTMLImageElement* HTMLMapElement::imageElement()
73 RefPtrWillBeRawPtr<HTMLCollection> images = document().images();
74 for (unsigned i = 0; Element* curr = images->item(i); ++i) {
75 ASSERT(isHTMLImageElement(curr));
77 // The HTMLImageElement's useMap() value includes the '#' symbol at the beginning,
78 // which has to be stripped off.
79 HTMLImageElement& imageElement = toHTMLImageElement(*curr);
80 String useMapName = imageElement.getAttribute(usemapAttr).string().substring(1);
81 if (equalIgnoringCase(useMapName, m_name))
88 void HTMLMapElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
90 // FIXME: This logic seems wrong for XML documents.
91 // Either the id or name will be used depending on the order the attributes are parsed.
93 if (isIdAttributeName(name) || name == nameAttr) {
94 if (isIdAttributeName(name)) {
95 // Call base class so that hasID bit gets set.
96 HTMLElement::parseAttribute(name, value);
97 if (document().isHTMLDocument())
101 treeScope().removeImageMap(this);
102 String mapName = value;
103 if (mapName[0] == '#')
104 mapName = mapName.substring(1);
105 m_name = AtomicString(document().isHTMLDocument() ? mapName.lower() : mapName);
107 treeScope().addImageMap(this);
112 HTMLElement::parseAttribute(name, value);
115 PassRefPtrWillBeRawPtr<HTMLCollection> HTMLMapElement::areas()
117 return ensureCachedCollection<HTMLCollection>(MapAreas);
120 Node::InsertionNotificationRequest HTMLMapElement::insertedInto(ContainerNode* insertionPoint)
122 if (insertionPoint->inDocument())
123 treeScope().addImageMap(this);
124 return HTMLElement::insertedInto(insertionPoint);
127 void HTMLMapElement::removedFrom(ContainerNode* insertionPoint)
129 if (insertionPoint->inDocument())
130 treeScope().removeImageMap(this);
131 HTMLElement::removedFrom(insertionPoint);