1/*
2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
3 * (C) 1999 Antti Koivisto (koivisto@kde.org)
4 * (C) 2000 Dirk Mueller (mueller@kde.org)
5 * Copyright (C) 2004, 2005, 2006, 2010 Apple Inc. All rights reserved.
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Library General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Library General Public License for more details.
16 *
17 * You should have received a copy of the GNU Library General Public License
18 * along with this library; see the file COPYING.LIB. If not, write to
19 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
20 * Boston, MA 02110-1301, USA.
21 *
22 */
23
24#pragma once
25
26#include "HTMLFormControlElement.h"
27#include <wtf/HashSet.h>
28
29namespace WebCore {
30
31class FormAssociatedElement;
32class HTMLFormControlsCollection;
33
34class HTMLFieldSetElement final : public HTMLFormControlElement {
35 WTF_MAKE_ISO_ALLOCATED(HTMLFieldSetElement);
36public:
37 static Ref<HTMLFieldSetElement> create(const QualifiedName&, Document&, HTMLFormElement*);
38
39 HTMLLegendElement* legend() const;
40
41 Ref<HTMLCollection> elements();
42
43 void addInvalidDescendant(const HTMLFormControlElement&);
44 void removeInvalidDescendant(const HTMLFormControlElement&);
45
46private:
47 HTMLFieldSetElement(const QualifiedName&, Document&, HTMLFormElement*);
48 ~HTMLFieldSetElement();
49
50 bool isEnumeratable() const final { return true; }
51 bool supportsFocus() const final;
52 RenderPtr<RenderElement> createElementRenderer(RenderStyle&&, const RenderTreePosition&) final;
53 const AtomicString& formControlType() const final;
54 bool computeWillValidate() const final { return false; }
55 void disabledAttributeChanged() final;
56 void disabledStateChanged() final;
57 void childrenChanged(const ChildChange&) final;
58 void didMoveToNewDocument(Document& oldDocument, Document& newDocument) final;
59
60 bool matchesValidPseudoClass() const final;
61 bool matchesInvalidPseudoClass() const final;
62
63 HashSet<const HTMLFormControlElement*> m_invalidDescendants;
64 bool m_hasDisabledAttribute { false };
65};
66
67} // namespace
68