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.
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.
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.
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.
26 #include "HTMLFormControlElement.h"
27 #include <wtf/HashSet.h>
31 class FormAssociatedElement;
32 class HTMLFormControlsCollection;
35 class HTMLFieldSetElement final : public HTMLFormControlElement {
37 static Ref<HTMLFieldSetElement> create(const QualifiedName&, Document&, HTMLFormElement*);
39 HTMLLegendElement* legend() const;
41 Ref<HTMLFormControlsCollection> elements();
42 Ref<HTMLCollection> elementsForNativeBindings();
44 const Vector<FormAssociatedElement*>& associatedElements() const;
45 unsigned length() const;
47 void addInvalidDescendant(const HTMLFormControlElement&);
48 void removeInvalidDescendant(const HTMLFormControlElement&);
50 RenderFieldSet* renderer() const;
53 HTMLFieldSetElement(const QualifiedName&, Document&, HTMLFormElement*);
54 ~HTMLFieldSetElement();
56 bool isEnumeratable() const final { return true; }
57 bool supportsFocus() const final;
58 RenderPtr<RenderElement> createElementRenderer(RenderStyle&&, const RenderTreePosition&) final;
59 const AtomicString& formControlType() const final;
60 bool computeWillValidate() const final { return false; }
61 void disabledAttributeChanged() final;
62 void disabledStateChanged() final;
63 void childrenChanged(const ChildChange&) final;
64 void didMoveToNewDocument(Document* oldDocument) final;
66 bool matchesValidPseudoClass() const final;
67 bool matchesInvalidPseudoClass() const final;
69 void updateAssociatedElements() const;
71 mutable Vector<FormAssociatedElement*> m_associatedElements;
72 // When the DOM tree is modified, we have to refresh the m_associatedElements array.
73 mutable uint64_t m_documentVersion { 0 };
74 HashSet<const HTMLFormControlElement*> m_invalidDescendants;
75 bool m_hasDisabledAttribute { false };