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
23 #include "config.h"
24 #include "HTMLMetaElement.h"
25
26 #include "Document.h"
27 #include "HTMLNames.h"
28 #include "MappedAttribute.h"
29
30 #ifdef ANDROID_META_SUPPORT
31 #include "Settings.h"
32 #include "WebViewCore.h"
33 #endif
34
35 namespace WebCore {
36
37 using namespace HTMLNames;
38
HTMLMetaElement(const QualifiedName & tagName,Document * doc)39 HTMLMetaElement::HTMLMetaElement(const QualifiedName& tagName, Document* doc)
40 : HTMLElement(tagName, doc)
41 {
42 ASSERT(hasTagName(metaTag));
43 }
44
~HTMLMetaElement()45 HTMLMetaElement::~HTMLMetaElement()
46 {
47 }
48
parseMappedAttribute(MappedAttribute * attr)49 void HTMLMetaElement::parseMappedAttribute(MappedAttribute* attr)
50 {
51 if (attr->name() == http_equivAttr) {
52 m_equiv = attr->value();
53 process();
54 } else if (attr->name() == contentAttr) {
55 m_content = attr->value();
56 process();
57 } else if (attr->name() == nameAttr) {
58 // Do nothing.
59 } else
60 HTMLElement::parseMappedAttribute(attr);
61 }
62
insertedIntoDocument()63 void HTMLMetaElement::insertedIntoDocument()
64 {
65 HTMLElement::insertedIntoDocument();
66 process();
67 }
68
process()69 void HTMLMetaElement::process()
70 {
71 #ifdef ANDROID_META_SUPPORT
72 if (!inDocument() || m_content.isNull())
73 return;
74 bool updateViewport = false;
75 if (equalIgnoringCase(name(), "viewport")) {
76 document()->processMetadataSettings(m_content);
77 updateViewport = true;
78 } else if (equalIgnoringCase(name(), "format-detection"))
79 document()->processMetadataSettings(m_content);
80 else if ((equalIgnoringCase(name(), "HandheldFriendly")
81 && equalIgnoringCase(m_content, "true") ||
82 equalIgnoringCase(name(), "MobileOptimized"))
83 && document()->settings()->viewportWidth() == -1) {
84 // fit mobile sites directly in the screen
85 document()->settings()->setMetadataSettings("width", "device-width");
86 updateViewport = true;
87 }
88 // update the meta data if it is the top document
89 if (updateViewport && !document()->ownerElement()) {
90 FrameView* view = document()->view();
91 if (view)
92 android::WebViewCore::getWebViewCore(view)->updateViewport();
93 }
94 #endif
95 // Get the document to process the tag, but only if we're actually part of DOM tree (changing a meta tag while
96 // it's not in the tree shouldn't have any effect on the document)
97 if (inDocument() && !m_equiv.isNull() && !m_content.isNull())
98 document()->processHttpEquiv(m_equiv, m_content);
99 }
100
content() const101 String HTMLMetaElement::content() const
102 {
103 return getAttribute(contentAttr);
104 }
105
setContent(const String & value)106 void HTMLMetaElement::setContent(const String& value)
107 {
108 setAttribute(contentAttr, value);
109 }
110
httpEquiv() const111 String HTMLMetaElement::httpEquiv() const
112 {
113 return getAttribute(http_equivAttr);
114 }
115
setHttpEquiv(const String & value)116 void HTMLMetaElement::setHttpEquiv(const String& value)
117 {
118 setAttribute(http_equivAttr, value);
119 }
120
name() const121 String HTMLMetaElement::name() const
122 {
123 return getAttribute(nameAttr);
124 }
125
setName(const String & value)126 void HTMLMetaElement::setName(const String& value)
127 {
128 setAttribute(nameAttr, value);
129 }
130
scheme() const131 String HTMLMetaElement::scheme() const
132 {
133 return getAttribute(schemeAttr);
134 }
135
setScheme(const String & value)136 void HTMLMetaElement::setScheme(const String &value)
137 {
138 setAttribute(schemeAttr, value);
139 }
140
141 }
142