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+/*
+ * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
+ * (C) 1999 Antti Koivisto (koivisto@kde.org)
+ * (C) 2001 Dirk Mueller (mueller@kde.org)
+ * Copyright (C) 2004, 2005, 2006, 2010 Apple Inc. All rights reserved.
+ * (C) 2006 Alexey Proskuryakov (ap@nypop.com)
+ *
+ * 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 "HTMLLegendElement.h"
+
+#include "HTMLNames.h"
+#include <wtf/StdLibExtras.h>
+
+namespace WebCore {
+
+using namespace HTMLNames;
+
+inline HTMLLegendElement::HTMLLegendElement(const QualifiedName& tagName, Document* document, HTMLFormElement* form)
+ : HTMLFormControlElement(tagName, document, form)
+{
+ ASSERT(hasTagName(legendTag));
+}
+
+PassRefPtr<HTMLLegendElement> HTMLLegendElement::create(const QualifiedName& tagName, Document* document, HTMLFormElement* form)
+{
+ return adoptRef(new HTMLLegendElement(tagName, document, form));
+}
+
+bool HTMLLegendElement::supportsFocus() const
+{
+ return HTMLElement::supportsFocus();
+}
+
+const AtomicString& HTMLLegendElement::formControlType() const
+{
+ DEFINE_STATIC_LOCAL(const AtomicString, legend, ("legend"));
+ return legend;
+}
+
+HTMLFormControlElement* HTMLLegendElement::associatedControl()
+{
+ // Check if there's a fieldset belonging to this legend.
+ ContainerNode* fieldset = parentNode();
+ while (fieldset && !fieldset->hasTagName(fieldsetTag))
+ fieldset = fieldset->parentNode();
+ if (!fieldset)
+ return 0;
+
+ // Find first form element inside the fieldset that is not a legend element.
+ // FIXME: Should we consider tabindex?
+ Node* node = fieldset;
+ while ((node = node->traverseNextNode(fieldset))) {
+ if (node->isElementNode()) {
+ Element* element = static_cast<Element*>(node);
+ if (!element->hasLocalName(legendTag) && element->isFormControlElement())
+ return static_cast<HTMLFormControlElement*>(element);
+ }
+ }
+
+ return 0;
+}
+
+void HTMLLegendElement::focus(bool)
+{
+ if (isFocusable())
+ Element::focus();
+
+ // To match other browsers' behavior, never restore previous selection.
+ if (HTMLFormControlElement* control = associatedControl())
+ control->focus(false);
+}
+
+void HTMLLegendElement::accessKeyAction(bool sendToAnyElement)
+{
+ if (HTMLFormControlElement* control = associatedControl())
+ control->accessKeyAction(sendToAnyElement);
+}
+
+} // namespace