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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) 2004-2020 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 "HTMLOptGroupElement.h"
#include "Document.h"
#include "ElementAncestorIterator.h"
#include "HTMLNames.h"
#include "HTMLSelectElement.h"
#include "RenderMenuList.h"
#include "NodeRenderStyle.h"
#include "StyleResolver.h"
#include <wtf/IsoMallocInlines.h>
#include <wtf/StdLibExtras.h>
namespace WebCore {
WTF_MAKE_ISO_ALLOCATED_IMPL(HTMLOptGroupElement);
using namespace HTMLNames;
inline HTMLOptGroupElement::HTMLOptGroupElement(const QualifiedName& tagName, Document& document)
: HTMLElement(tagName, document)
{
ASSERT(hasTagName(optgroupTag));
}
Ref<HTMLOptGroupElement> HTMLOptGroupElement::create(const QualifiedName& tagName, Document& document)
{
return adoptRef(*new HTMLOptGroupElement(tagName, document));
}
bool HTMLOptGroupElement::isDisabledFormControl() const
{
return hasAttributeWithoutSynchronization(disabledAttr);
}
bool HTMLOptGroupElement::isFocusable() const
{
if (!supportsFocus())
return false;
// Optgroup elements do not have a renderer.
auto* style = const_cast<HTMLOptGroupElement&>(*this).computedStyle();
return style && style->display() != DisplayType::None;
}
const AtomString& HTMLOptGroupElement::formControlType() const
{
static MainThreadNeverDestroyed<const AtomString> optgroup("optgroup", AtomString::ConstructFromLiteral);
return optgroup;
}
void HTMLOptGroupElement::childrenChanged(const ChildChange& change)
{
recalcSelectOptions();
HTMLElement::childrenChanged(change);
}
void HTMLOptGroupElement::parseAttribute(const QualifiedName& name, const AtomString& value)
{
HTMLElement::parseAttribute(name, value);
recalcSelectOptions();
if (name == disabledAttr)
invalidateStyleForSubtree();
}
void HTMLOptGroupElement::recalcSelectOptions()
{
if (auto selectElement = makeRefPtr(ancestorsOfType<HTMLSelectElement>(*this).first())) {
selectElement->setRecalcListItems();
selectElement->updateValidity();
}
}
String HTMLOptGroupElement::groupLabelText() const
{
String itemText = document().displayStringModifiedByEncoding(attributeWithoutSynchronization(labelAttr));
// In WinIE, leading and trailing whitespace is ignored in options and optgroups. We match this behavior.
itemText = itemText.stripWhiteSpace();
// We want to collapse our whitespace too. This will match other browsers.
itemText = itemText.simplifyWhiteSpace();
return itemText;
}
HTMLSelectElement* HTMLOptGroupElement::ownerSelectElement() const
{
return const_cast<HTMLSelectElement*>(ancestorsOfType<HTMLSelectElement>(*this).first());
}
bool HTMLOptGroupElement::accessKeyAction(bool)
{
RefPtr<HTMLSelectElement> select = ownerSelectElement();
// send to the parent to bring focus to the list box
if (select && !select->focused())
return select->accessKeyAction(false);
return false;
}
} // namespace
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