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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) 2004-2022 Apple Inc. All rights reserved.
* (C) 2006 Alexey Proskuryakov (ap@nypop.com)
* Copyright (C) 2018 Google 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 "HTMLLegendElement.h"
#include "ElementIterator.h"
#include "HTMLFieldSetElement.h"
#include "HTMLNames.h"
#include "SelectionRestorationMode.h"
#include <wtf/TZoneMallocInlines.h>
namespace WebCore {
WTF_MAKE_TZONE_OR_ISO_ALLOCATED_IMPL(HTMLLegendElement);
inline HTMLLegendElement::HTMLLegendElement(const QualifiedName& tagName, Document& document)
: HTMLElement(tagName, document)
{
ASSERT(hasTagName(HTMLNames::legendTag));
}
Ref<HTMLLegendElement> HTMLLegendElement::create(const QualifiedName& tagName, Document& document)
{
return adoptRef(*new HTMLLegendElement(tagName, document));
}
HTMLFormElement* HTMLLegendElement::form() const
{
// According to the specification, If the legend has a fieldset element as
// its parent, then the form attribute must return the same value as the
// form attribute on that fieldset element. Otherwise, it must return null.
RefPtr fieldset = dynamicDowncast<HTMLFieldSetElement>(parentNode());
return fieldset ? fieldset->form() : nullptr;
}
HTMLFormElement* HTMLLegendElement::formForBindings() const
{
// FIXME: The downcast should be unnecessary, but the WPT was written before https://github.com/WICG/webcomponents/issues/1072 was resolved. Update once the WPT has been updated.
return dynamicDowncast<HTMLFormElement>(retargetReferenceTargetForBindings(form())).get();
}
} // namespace
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