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/*
* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
* (C) 1999 Antti Koivisto (koivisto@kde.org)
* (C) 2000 Dirk Mueller (mueller@kde.org)
* Copyright (C) 2004-2016 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.
*
*/
#pragma once
#include "CachedHTMLCollection.h"
#include "HTMLOptionElement.h"
#include "HTMLSelectElement.h"
namespace WebCore {
class HTMLOptionsCollection final : public CachedHTMLCollection<HTMLOptionsCollection, CollectionTypeTraits<SelectOptions>::traversalType> {
WTF_MAKE_ISO_ALLOCATED_EXPORT(HTMLOptionsCollection, WEBCORE_EXPORT);
public:
using Base = CachedHTMLCollection<HTMLOptionsCollection, CollectionTypeTraits<SelectOptions>::traversalType>;
static Ref<HTMLOptionsCollection> create(HTMLSelectElement&, CollectionType);
HTMLSelectElement& selectElement() { return downcast<HTMLSelectElement>(ownerNode()); }
const HTMLSelectElement& selectElement() const { return downcast<HTMLSelectElement>(ownerNode()); }
HTMLOptionElement* item(unsigned offset) const final;
HTMLOptionElement* namedItem(const AtomString& name) const final;
ExceptionOr<void> setItem(unsigned index, HTMLOptionElement*);
using OptionOrOptGroupElement = std::variant<RefPtr<HTMLOptionElement>, RefPtr<HTMLOptGroupElement>>;
using HTMLElementOrInt = std::variant<RefPtr<HTMLElement>, int>;
WEBCORE_EXPORT ExceptionOr<void> add(const OptionOrOptGroupElement&, const std::optional<HTMLElementOrInt>& before);
WEBCORE_EXPORT void remove(int index);
WEBCORE_EXPORT int selectedIndex() const;
WEBCORE_EXPORT void setSelectedIndex(int);
WEBCORE_EXPORT ExceptionOr<void> setLength(unsigned);
// For CachedHTMLCollection.
bool elementMatches(Element&) const;
private:
explicit HTMLOptionsCollection(HTMLSelectElement&);
};
inline HTMLOptionElement* HTMLOptionsCollection::item(unsigned offset) const
{
return downcast<HTMLOptionElement>(Base::item(offset));
}
inline HTMLOptionElement* HTMLOptionsCollection::namedItem(const AtomString& name) const
{
return downcast<HTMLOptionElement>(Base::namedItem(name));
}
inline ExceptionOr<void> HTMLOptionsCollection::setItem(unsigned index, HTMLOptionElement* optionElement)
{
return selectElement().setItem(index, optionElement);
}
inline bool HTMLOptionsCollection::elementMatches(Element& element) const
{
if (!element.hasTagName(HTMLNames::optionTag))
return false;
if (element.parentNode() == &selectElement())
return true;
ASSERT(element.parentNode());
return element.parentNode()->hasTagName(HTMLNames::optgroupTag) && element.parentNode()->parentNode() == &selectElement();
}
} // namespace WebCore
SPECIALIZE_TYPE_TRAITS_HTMLCOLLECTION(HTMLOptionsCollection, SelectOptions)
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