94 lines
3.4 KiB
C++
94 lines
3.4 KiB
C++
/*
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* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
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* (C) 1999 Antti Koivisto (koivisto@kde.org)
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* (C) 2000 Dirk Mueller (mueller@kde.org)
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* Copyright (C) 2004-2016 Apple Inc. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*
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*/
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#pragma once
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#include "CachedHTMLCollection.h"
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#include "HTMLOptionElement.h"
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#include "HTMLSelectElement.h"
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namespace WebCore {
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class HTMLOptionsCollection final : public CachedHTMLCollection<HTMLOptionsCollection, CollectionTypeTraits<SelectOptions>::traversalType> {
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WTF_MAKE_ISO_ALLOCATED(HTMLOptionsCollection);
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public:
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using Base = CachedHTMLCollection<HTMLOptionsCollection, CollectionTypeTraits<SelectOptions>::traversalType>;
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static Ref<HTMLOptionsCollection> create(HTMLSelectElement&, CollectionType);
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HTMLSelectElement& selectElement() { return downcast<HTMLSelectElement>(ownerNode()); }
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const HTMLSelectElement& selectElement() const { return downcast<HTMLSelectElement>(ownerNode()); }
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HTMLOptionElement* item(unsigned offset) const final;
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HTMLOptionElement* namedItem(const AtomString& name) const final;
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ExceptionOr<void> setItem(unsigned index, HTMLOptionElement*);
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using OptionOrOptGroupElement = Variant<RefPtr<HTMLOptionElement>, RefPtr<HTMLOptGroupElement>>;
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using HTMLElementOrInt = Variant<RefPtr<HTMLElement>, int>;
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WEBCORE_EXPORT ExceptionOr<void> add(const OptionOrOptGroupElement&, const std::optional<HTMLElementOrInt>& before);
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WEBCORE_EXPORT void remove(int index);
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WEBCORE_EXPORT int selectedIndex() const;
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WEBCORE_EXPORT void setSelectedIndex(int);
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WEBCORE_EXPORT ExceptionOr<void> setLength(unsigned);
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// For CachedHTMLCollection.
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bool elementMatches(Element&) const;
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private:
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explicit HTMLOptionsCollection(HTMLSelectElement&);
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};
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inline HTMLOptionElement* HTMLOptionsCollection::item(unsigned offset) const
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{
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return downcast<HTMLOptionElement>(Base::item(offset));
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}
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inline HTMLOptionElement* HTMLOptionsCollection::namedItem(const AtomString& name) const
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{
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return downcast<HTMLOptionElement>(Base::namedItem(name));
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}
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inline ExceptionOr<void> HTMLOptionsCollection::setItem(unsigned index, HTMLOptionElement* optionElement)
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{
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return selectElement().setItem(index, optionElement);
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}
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inline bool HTMLOptionsCollection::elementMatches(Element& element) const
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{
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if (!element.hasTagName(HTMLNames::optionTag))
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return false;
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if (element.parentNode() == &selectElement())
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return true;
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ASSERT(element.parentNode());
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return element.parentNode()->hasTagName(HTMLNames::optgroupTag) && element.parentNode()->parentNode() == &selectElement();
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}
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} // namespace WebCore
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SPECIALIZE_TYPE_TRAITS_HTMLCOLLECTION(HTMLOptionsCollection, SelectOptions)
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