1/*
2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
3 *           (C) 1999 Antti Koivisto (koivisto@kde.org)
4 * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
5 * Copyright (C) 2014 Samsung Electronics. 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#ifndef HTMLFormControlsCollection_h
25#define HTMLFormControlsCollection_h
26
27#include "core/html/FormAssociatedElement.h"
28#include "core/html/HTMLCollection.h"
29#include "core/html/HTMLElement.h"
30#include "core/html/RadioNodeList.h"
31
32namespace blink {
33
34class HTMLImageElement;
35class QualifiedName;
36
37// This class is just a big hack to find form elements even in malformed HTML elements.
38// The famous <table><tr><form><td> problem.
39
40class HTMLFormControlsCollection FINAL : public HTMLCollection {
41    DEFINE_WRAPPERTYPEINFO();
42public:
43    static PassRefPtrWillBeRawPtr<HTMLFormControlsCollection> create(ContainerNode&, CollectionType);
44
45    virtual ~HTMLFormControlsCollection();
46
47    HTMLElement* item(unsigned offset) const { return toHTMLElement(HTMLCollection::item(offset)); }
48
49    virtual HTMLElement* namedItem(const AtomicString& name) const OVERRIDE;
50    void namedGetter(const AtomicString& name, RefPtrWillBeRawPtr<RadioNodeList>&, RefPtrWillBeRawPtr<Element>&);
51
52    virtual void trace(Visitor*) OVERRIDE;
53
54private:
55    explicit HTMLFormControlsCollection(ContainerNode&);
56
57    virtual void updateIdNameCache() const OVERRIDE;
58    virtual void supportedPropertyNames(Vector<String>& names) OVERRIDE;
59
60    const FormAssociatedElement::List& formControlElements() const;
61    const WillBeHeapVector<RawPtrWillBeMember<HTMLImageElement> >& formImageElements() const;
62    virtual HTMLElement* virtualItemAfter(Element*) const OVERRIDE;
63    virtual void invalidateCache(Document* oldDocument = 0) const OVERRIDE;
64
65    mutable RawPtrWillBeMember<HTMLElement> m_cachedElement;
66    mutable unsigned m_cachedElementOffsetInArray;
67};
68DEFINE_TYPE_CASTS(HTMLFormControlsCollection, LiveNodeListBase, collection, collection->type() == FormControls, collection.type() == FormControls);
69
70} // namespace blink
71
72#endif // HTMLFormControlsCollection_h
73