WebCore/html/HTMLMetaElement.cpp
changeset 0 4f2f89ce4247
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/html/HTMLMetaElement.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,94 @@
+/*
+ * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
+ *           (C) 1999 Antti Koivisto (koivisto@kde.org)
+ *           (C) 2001 Dirk Mueller (mueller@kde.org)
+ * Copyright (C) 2003, 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 "HTMLMetaElement.h"
+
+#include "Attribute.h"
+#include "Document.h"
+#include "HTMLNames.h"
+
+namespace WebCore {
+
+using namespace HTMLNames;
+
+inline HTMLMetaElement::HTMLMetaElement(const QualifiedName& tagName, Document* document)
+    : HTMLElement(tagName, document)
+{
+    ASSERT(hasTagName(metaTag));
+}
+
+PassRefPtr<HTMLMetaElement> HTMLMetaElement::create(const QualifiedName& tagName, Document* document)
+{
+    return adoptRef(new HTMLMetaElement(tagName, document));
+}
+
+void HTMLMetaElement::parseMappedAttribute(Attribute* attr)
+{
+    if (attr->name() == http_equivAttr) {
+        m_equiv = attr->value();
+        process();
+    } else if (attr->name() == contentAttr) {
+        m_content = attr->value();
+        process();
+    } else if (attr->name() == nameAttr) {
+        // Do nothing.
+    } else
+        HTMLElement::parseMappedAttribute(attr);
+}
+
+void HTMLMetaElement::insertedIntoDocument()
+{
+    HTMLElement::insertedIntoDocument();
+    process();
+}
+
+void HTMLMetaElement::process()
+{
+    if (!inDocument() || m_content.isNull())
+        return;
+
+    if (equalIgnoringCase(name(), "viewport"))
+        document()->processViewport(m_content);
+
+    // Get the document to process the tag, but only if we're actually part of DOM tree (changing a meta tag while
+    // it's not in the tree shouldn't have any effect on the document)
+    if (!m_equiv.isNull())
+        document()->processHttpEquiv(m_equiv, m_content);
+}
+
+String HTMLMetaElement::content() const
+{
+    return getAttribute(contentAttr);
+}
+
+String HTMLMetaElement::httpEquiv() const
+{
+    return getAttribute(http_equivAttr);
+}
+
+String HTMLMetaElement::name() const
+{
+    return getAttribute(nameAttr);
+}
+
+}