1 /*
2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
3 * (C) 1999 Antti Koivisto (koivisto@kde.org)
4 * (C) 2001 Dirk Mueller (mueller@kde.org)
5 * Copyright (C) 2003, 2010 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 "HTMLMetaElement.h"
25
26 #include "Attribute.h"
27 #include "Document.h"
28 #include "HTMLNames.h"
29
30 namespace WebCore {
31
32 using namespace HTMLNames;
33
HTMLMetaElement(const QualifiedName & tagName,Document * document)34 inline HTMLMetaElement::HTMLMetaElement(const QualifiedName& tagName, Document* document)
35 : HTMLElement(tagName, document)
36 {
37 ASSERT(hasTagName(metaTag));
38 }
39
create(const QualifiedName & tagName,Document * document)40 PassRefPtr<HTMLMetaElement> HTMLMetaElement::create(const QualifiedName& tagName, Document* document)
41 {
42 return adoptRef(new HTMLMetaElement(tagName, document));
43 }
44
parseMappedAttribute(Attribute * attr)45 void HTMLMetaElement::parseMappedAttribute(Attribute* attr)
46 {
47 if (attr->name() == http_equivAttr) {
48 m_equiv = attr->value();
49 process();
50 } else if (attr->name() == contentAttr) {
51 m_content = attr->value();
52 process();
53 } else if (attr->name() == nameAttr) {
54 // Do nothing.
55 } else
56 HTMLElement::parseMappedAttribute(attr);
57 }
58
insertedIntoDocument()59 void HTMLMetaElement::insertedIntoDocument()
60 {
61 HTMLElement::insertedIntoDocument();
62 process();
63 }
64
process()65 void HTMLMetaElement::process()
66 {
67 if (!inDocument() || m_content.isNull())
68 return;
69
70 if (equalIgnoringCase(name(), "viewport"))
71 document()->processViewport(m_content);
72
73 // Get the document to process the tag, but only if we're actually part of DOM tree (changing a meta tag while
74 // it's not in the tree shouldn't have any effect on the document)
75 if (!m_equiv.isNull())
76 document()->processHttpEquiv(m_equiv, m_content);
77 }
78
content() const79 String HTMLMetaElement::content() const
80 {
81 return getAttribute(contentAttr);
82 }
83
httpEquiv() const84 String HTMLMetaElement::httpEquiv() const
85 {
86 return getAttribute(http_equivAttr);
87 }
88
name() const89 String HTMLMetaElement::name() const
90 {
91 return getAttribute(nameAttr);
92 }
93
94 }
95