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1 /* | |
2 * Copyright (C) 2007 Apple Inc. All rights reserved. | |
3 * Copyright (C) 2007 David Smith (catfish.man@gmail.com) | |
4 * | |
5 * Redistribution and use in source and binary forms, with or without | |
6 * modification, are permitted provided that the following conditions | |
7 * are met: | |
8 * | |
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. | |
17 * | |
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 | |
21 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY | |
22 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
23 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
24 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND | |
25 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | |
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
28 */ | |
29 | |
30 #ifndef ClassNodeList_h | |
31 #define ClassNodeList_h | |
32 | |
33 #include "core/dom/Element.h" | |
34 #include "core/dom/LiveNodeList.h" | |
35 #include "core/dom/Node.h" | |
36 #include "core/dom/SpaceSplitString.h" | |
37 | |
38 namespace WebCore { | |
39 | |
40 class ClassNodeList FINAL : public LiveNodeList { | |
41 public: | |
42 // classNames argument is an AtomicString because it is common for Elements
to share the same class names. | |
43 // It is also used to construct a SpaceSplitString (m_classNames) and its co
nstructor requires an AtomicString. | |
44 static PassRefPtr<ClassNodeList> create(PassRefPtr<ContainerNode> rootNode,
CollectionType type, const AtomicString& classNames) | |
45 { | |
46 ASSERT_UNUSED(type, type == ClassNodeListType); | |
47 return adoptRef(new ClassNodeList(rootNode, classNames)); | |
48 } | |
49 | |
50 virtual ~ClassNodeList(); | |
51 | |
52 bool nodeMatchesInlined(const Element&) const; | |
53 | |
54 private: | |
55 ClassNodeList(PassRefPtr<ContainerNode> rootNode, const AtomicString& classN
ames); | |
56 | |
57 virtual bool nodeMatches(const Element&) const OVERRIDE; | |
58 | |
59 SpaceSplitString m_classNames; | |
60 AtomicString m_originalClassNames; | |
61 }; | |
62 | |
63 inline bool ClassNodeList::nodeMatchesInlined(const Element& testNode) const | |
64 { | |
65 if (!testNode.hasClass()) | |
66 return false; | |
67 if (!m_classNames.size()) | |
68 return false; | |
69 // FIXME: DOM4 allows getElementsByClassName to return non StyledElement. | |
70 // https://bugs.webkit.org/show_bug.cgi?id=94718 | |
71 if (!testNode.isStyledElement()) | |
72 return false; | |
73 return testNode.classNames().containsAll(m_classNames); | |
74 } | |
75 | |
76 } // namespace WebCore | |
77 | |
78 #endif // ClassNodeList_h | |
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