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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, 2005, 2006, 2010 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 "HTMLFormControlElement.h"
#include <wtf/HashSet.h>
namespace WebCore {
class FormAssociatedElement;
class HTMLFormControlsCollection;
class RenderFieldSet;
class HTMLFieldSetElement final : public HTMLFormControlElement {
public:
static Ref<HTMLFieldSetElement> create(const QualifiedName&, Document&, HTMLFormElement*);
HTMLLegendElement* legend() const;
Ref<HTMLFormControlsCollection> elements();
Ref<HTMLCollection> elementsForNativeBindings();
const Vector<FormAssociatedElement*>& associatedElements() const;
unsigned length() const;
void addInvalidDescendant(const HTMLFormControlElement&);
void removeInvalidDescendant(const HTMLFormControlElement&);
RenderFieldSet* renderer() const;
private:
HTMLFieldSetElement(const QualifiedName&, Document&, HTMLFormElement*);
~HTMLFieldSetElement();
bool isEnumeratable() const final { return true; }
bool supportsFocus() const final;
RenderPtr<RenderElement> createElementRenderer(RenderStyle&&, const RenderTreePosition&) final;
const AtomicString& formControlType() const final;
bool computeWillValidate() const final { return false; }
void disabledAttributeChanged() final;
void disabledStateChanged() final;
void childrenChanged(const ChildChange&) final;
void didMoveToNewDocument(Document& oldDocument) final;
bool matchesValidPseudoClass() const final;
bool matchesInvalidPseudoClass() const final;
void updateAssociatedElements() const;
mutable Vector<FormAssociatedElement*> m_associatedElements;
// When the DOM tree is modified, we have to refresh the m_associatedElements array.
mutable uint64_t m_documentVersion { 0 };
HashSet<const HTMLFormControlElement*> m_invalidDescendants;
bool m_hasDisabledAttribute { false };
};
} // namespace
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