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
|
/*
* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
* (C) 1999 Antti Koivisto (koivisto@kde.org)
* Copyright (C) 2004, 2005, 2006, 2007, 2010 Apple Inc. 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 "HTMLMapElement.h"
#include "Attribute.h"
#include "Document.h"
#include "ElementIterator.h"
#include "GenericCachedHTMLCollection.h"
#include "HTMLAreaElement.h"
#include "HTMLImageElement.h"
#include "HitTestResult.h"
#include "IntSize.h"
#include "NodeRareData.h"
namespace WebCore {
using namespace HTMLNames;
HTMLMapElement::HTMLMapElement(const QualifiedName& tagName, Document& document)
: HTMLElement(tagName, document)
{
ASSERT(hasTagName(mapTag));
}
Ref<HTMLMapElement> HTMLMapElement::create(Document& document)
{
return adoptRef(*new HTMLMapElement(mapTag, document));
}
Ref<HTMLMapElement> HTMLMapElement::create(const QualifiedName& tagName, Document& document)
{
return adoptRef(*new HTMLMapElement(tagName, document));
}
HTMLMapElement::~HTMLMapElement()
{
}
bool HTMLMapElement::mapMouseEvent(LayoutPoint location, const LayoutSize& size, HitTestResult& result)
{
HTMLAreaElement* defaultArea = 0;
for (auto& area : descendantsOfType<HTMLAreaElement>(*this)) {
if (area.isDefault()) {
if (!defaultArea)
defaultArea = &area;
} else if (area.mapMouseEvent(location, size, result))
return true;
}
if (defaultArea) {
result.setInnerNode(defaultArea);
result.setURLElement(defaultArea);
}
return defaultArea;
}
HTMLImageElement* HTMLMapElement::imageElement()
{
if (m_name.isEmpty())
return nullptr;
return document().imageElementByCaseFoldedUsemap(*AtomicString(m_name.string().foldCase()).impl());
}
void HTMLMapElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
{
// FIXME: This logic seems wrong for XML documents.
// Either the id or name will be used depending on the order the attributes are parsed.
if (name == HTMLNames::idAttr || name == HTMLNames::nameAttr) {
if (name == HTMLNames::idAttr) {
// Call base class so that hasID bit gets set.
HTMLElement::parseAttribute(name, value);
if (document().isHTMLDocument())
return;
}
if (inDocument())
treeScope().removeImageMap(*this);
String mapName = value;
if (mapName[0] == '#')
mapName = mapName.substring(1);
m_name = document().isHTMLDocument() ? mapName.foldCase() : mapName;
if (inDocument())
treeScope().addImageMap(*this);
return;
}
HTMLElement::parseAttribute(name, value);
}
Ref<HTMLCollection> HTMLMapElement::areas()
{
return ensureRareData().ensureNodeLists().addCachedCollection<GenericCachedHTMLCollection<CollectionTypeTraits<MapAreas>::traversalType>>(*this, MapAreas);
}
Node::InsertionNotificationRequest HTMLMapElement::insertedInto(ContainerNode& insertionPoint)
{
Node::InsertionNotificationRequest request = HTMLElement::insertedInto(insertionPoint);
if (insertionPoint.inDocument())
treeScope().addImageMap(*this);
return request;
}
void HTMLMapElement::removedFrom(ContainerNode& insertionPoint)
{
if (insertionPoint.inDocument())
treeScope().removeImageMap(*this);
HTMLElement::removedFrom(insertionPoint);
}
}
|
