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 | * |
6 | * This library is free software; you can redistribute it and/or |
7 | * modify it under the terms of the GNU Library General Public |
8 | * License as published by the Free Software Foundation; either |
9 | * version 2 of the License, or (at your option) any later version. |
10 | * |
11 | * This library is distributed in the hope that it will be useful, |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
14 | * Library General Public License for more details. |
15 | * |
16 | * You should have received a copy of the GNU Library General Public License |
17 | * along with this library; see the file COPYING.LIB. If not, write to |
18 | * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
19 | * Boston, MA 02110-1301, USA. |
20 | * |
21 | */ |
22 | |
23 | #pragma once |
24 | |
25 | #include "CachedHTMLCollection.h" |
26 | #include "HTMLFormElement.h" |
27 | #include "RadioNodeList.h" |
28 | |
29 | namespace WebCore { |
30 | |
31 | class FormAssociatedElement; |
32 | class HTMLImageElement; |
33 | |
34 | // This class is just a big hack to find form elements even in malformed HTML elements. |
35 | // The famous <table><tr><form><td> problem. |
36 | |
37 | class HTMLFormControlsCollection final : public CachedHTMLCollection<HTMLFormControlsCollection, CollectionTypeTraits<FormControls>::traversalType> { |
38 | WTF_MAKE_ISO_ALLOCATED(HTMLFormControlsCollection); |
39 | public: |
40 | static Ref<HTMLFormControlsCollection> create(ContainerNode&, CollectionType); |
41 | virtual ~HTMLFormControlsCollection(); |
42 | |
43 | HTMLElement* item(unsigned offset) const override; |
44 | Optional<Variant<RefPtr<RadioNodeList>, RefPtr<Element>>> namedItemOrItems(const String&) const; |
45 | |
46 | HTMLFormElement& ownerNode() const; |
47 | |
48 | // For CachedHTMLCollection. |
49 | HTMLElement* customElementAfter(Element*) const; |
50 | |
51 | private: |
52 | explicit HTMLFormControlsCollection(ContainerNode&); |
53 | |
54 | void invalidateCacheForDocument(Document&) override; |
55 | void updateNamedElementCache() const override; |
56 | |
57 | const Vector<FormAssociatedElement*>& unsafeFormControlElements() const; |
58 | Vector<Ref<FormAssociatedElement>> copyFormControlElementsVector() const; |
59 | |
60 | mutable Element* m_cachedElement; |
61 | mutable unsigned m_cachedElementOffsetInArray; |
62 | }; |
63 | |
64 | inline HTMLElement* HTMLFormControlsCollection::item(unsigned offset) const |
65 | { |
66 | return downcast<HTMLElement>(CachedHTMLCollection<HTMLFormControlsCollection, CollectionTypeTraits<FormControls>::traversalType>::item(offset)); |
67 | } |
68 | |
69 | } // namespace WebCore |
70 | |
71 | SPECIALIZE_TYPE_TRAITS_HTMLCOLLECTION(HTMLFormControlsCollection, FormControls) |
72 | |