2 * Copyright (C) 2007 Apple Inc. All rights reserved.
3 * Copyright (C) 2007 David Smith (catfish.man@gmail.com)
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
15 * its contributors may be used to endorse or promote products derived
16 * from this software without specific prior written permission.
18 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
19 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
20 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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30 #ifndef ClassCollection_h
31 #define ClassCollection_h
33 #include "core/dom/Element.h"
34 #include "core/dom/SpaceSplitString.h"
35 #include "core/html/HTMLCollection.h"
39 class ClassCollection FINAL : public HTMLCollection {
41 // classNames argument is an AtomicString because it is common for Elements to share the same class names.
42 // It is also used to construct a SpaceSplitString (m_classNames) and its constructor requires an AtomicString.
43 static PassRefPtr<ClassCollection> create(ContainerNode* rootNode, CollectionType type, const AtomicString& classNames)
45 ASSERT_UNUSED(type, type == ClassCollectionType);
46 return adoptRef(new ClassCollection(rootNode, classNames));
49 virtual ~ClassCollection();
51 bool elementMatches(const Element&) const;
54 ClassCollection(ContainerNode* rootNode, const AtomicString& classNames);
56 SpaceSplitString m_classNames;
57 AtomicString m_originalClassNames;
60 inline bool ClassCollection::elementMatches(const Element& testElement) const
62 if (!testElement.hasClass())
64 if (!m_classNames.size())
66 // FIXME: DOM4 allows getElementsByClassName to return non StyledElement.
67 // https://bugs.webkit.org/show_bug.cgi?id=94718
68 if (!testElement.isStyledElement())
70 return testElement.classNames().containsAll(m_classNames);
73 } // namespace WebCore
75 #endif // ClassCollection_h