WebCore/html/HTMLMetaElement.cpp

   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 namespace WebCore {
  31
  32 using namespace HTMLNames;
  33
  34 HTMLMetaElement::HTMLMetaElement(const QualifiedName& tagName, Document* doc)
  35     : HTMLElement(tagName, doc)
  36 {
  37     ASSERT(hasTagName(metaTag));
  38 }
  39
  40 HTMLMetaElement::~HTMLMetaElement()
  41 {
  42 }
  43
  44 void HTMLMetaElement::parseMappedAttribute(MappedAttribute* attr)
  45 {
  46     if (attr->name() == http_equivAttr) {
  47         m_equiv = attr->value();
  48         process();
  49     } else if (attr->name() == contentAttr) {
  50         m_content = attr->value();
  51         process();
  52     } else if (attr->name() == nameAttr) {
  53         // Do nothing.
  54     } else
  55         HTMLElement::parseMappedAttribute(attr);
  56 }
  57
  58 void HTMLMetaElement::insertedIntoDocument()
  59 {
  60     HTMLElement::insertedIntoDocument();
  61     process();
  62 }
  63
  64 void HTMLMetaElement::process()
  65 {
  66     // Get the document to process the tag, but only if we're actually part of DOM tree (changing a meta tag while
  67     // it's not in the tree shouldn't have any effect on the document)
  68     if (inDocument() && !m_equiv.isNull() && !m_content.isNull())
  69         document()->processHttpEquiv(m_equiv, m_content);
  70 }
  71
  72 String HTMLMetaElement::content() const
  73 {
  74     return getAttribute(contentAttr);
  75 }
  76
  77 void HTMLMetaElement::setContent(const String& value)
  78 {
  79     setAttribute(contentAttr, value);
  80 }
  81
  82 String HTMLMetaElement::httpEquiv() const
  83 {
  84     return getAttribute(http_equivAttr);
  85 }
  86
  87 void HTMLMetaElement::setHttpEquiv(const String& value)
  88 {
  89     setAttribute(http_equivAttr, value);
  90 }
  91
  92 String HTMLMetaElement::name() const
  93 {
  94     return getAttribute(nameAttr);
  95 }
  96
  97 void HTMLMetaElement::setName(const String& value)
  98 {
  99     setAttribute(nameAttr, value);
 100 }
 101
 102 String HTMLMetaElement::scheme() const
 103 {
 104     return getAttribute(schemeAttr);
 105 }
 106
 107 void HTMLMetaElement::setScheme(const String &value)
 108 {
 109     setAttribute(schemeAttr, value);
 110 }
 111
 112 }