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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 Apple Computer, Inc.
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 #include "config.h"
23 #include "HTMLMetaElement.h"
24 
25 #include "Document.h"
26 #include "HTMLNames.h"
27 
28 namespace WebCore {
29 
30 using namespace HTMLNames;
31 
HTMLMetaElement(const QualifiedName & tagName,Document * doc)32 HTMLMetaElement::HTMLMetaElement(const QualifiedName& tagName, Document* doc)
33     : HTMLElement(tagName, doc)
34 {
35     ASSERT(hasTagName(metaTag));
36 }
37 
~HTMLMetaElement()38 HTMLMetaElement::~HTMLMetaElement()
39 {
40 }
41 
parseMappedAttribute(MappedAttribute * attr)42 void HTMLMetaElement::parseMappedAttribute(MappedAttribute* attr)
43 {
44     if (attr->name() == http_equivAttr) {
45         m_equiv = attr->value();
46         process();
47     } else if (attr->name() == contentAttr) {
48         m_content = attr->value();
49         process();
50     } else if (attr->name() == nameAttr) {
51         // Do nothing.
52     } else
53         HTMLElement::parseMappedAttribute(attr);
54 }
55 
insertedIntoDocument()56 void HTMLMetaElement::insertedIntoDocument()
57 {
58     HTMLElement::insertedIntoDocument();
59     process();
60 }
61 
process()62 void HTMLMetaElement::process()
63 {
64 #ifdef ANDROID_META_SUPPORT
65     if (!inDocument() || m_content.isNull())
66         return;
67     if (equalIgnoringCase(name(), "viewport") || equalIgnoringCase(name(), "format-detection"))
68         document()->processMetadataSettings(m_content);
69 #endif
70     // Get the document to process the tag, but only if we're actually part of DOM tree (changing a meta tag while
71     // it's not in the tree shouldn't have any effect on the document)
72     if (inDocument() && !m_equiv.isNull() && !m_content.isNull())
73         document()->processHttpEquiv(m_equiv, m_content);
74 }
75 
content() const76 String HTMLMetaElement::content() const
77 {
78     return getAttribute(contentAttr);
79 }
80 
setContent(const String & value)81 void HTMLMetaElement::setContent(const String& value)
82 {
83     setAttribute(contentAttr, value);
84 }
85 
httpEquiv() const86 String HTMLMetaElement::httpEquiv() const
87 {
88     return getAttribute(http_equivAttr);
89 }
90 
setHttpEquiv(const String & value)91 void HTMLMetaElement::setHttpEquiv(const String& value)
92 {
93     setAttribute(http_equivAttr, value);
94 }
95 
name() const96 String HTMLMetaElement::name() const
97 {
98     return getAttribute(nameAttr);
99 }
100 
setName(const String & value)101 void HTMLMetaElement::setName(const String& value)
102 {
103     setAttribute(nameAttr, value);
104 }
105 
scheme() const106 String HTMLMetaElement::scheme() const
107 {
108     return getAttribute(schemeAttr);
109 }
110 
setScheme(const String & value)111 void HTMLMetaElement::setScheme(const String &value)
112 {
113     setAttribute(schemeAttr, value);
114 }
115 
116 }
117