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1 /* | |
2 * Copyright (c) 2011 Motorola Mobility, Inc. All rights reserved. | |
3 * | |
4 * Redistribution and use in source and binary forms, with or without modificati
on, | |
5 * are permitted provided that the following conditions are met: | |
6 * | |
7 * Redistributions of source code must retain the above copyright notice, | |
8 * this list of conditions and the following disclaimer. | |
9 * | |
10 * Redistributions in binary form must reproduce the above copyright notice, | |
11 * this list of conditions and the following disclaimer in the documentation and
/or | |
12 * other materials provided with the distribution. | |
13 * | |
14 * Neither the name of Motorola Mobility, Inc. nor the names of its contributors
may | |
15 * be used to endorse or promote products derived from this software without | |
16 * specific prior written permission. | |
17 * | |
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, | |
20 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
21 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR | |
22 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
23 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
24 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
25 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
26 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING | |
27 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | |
28 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
29 */ | |
30 | |
31 #ifndef HTMLPropertiesCollection_h | |
32 #define HTMLPropertiesCollection_h | |
33 | |
34 #if ENABLE(MICRODATA) | |
35 | |
36 #include "DOMStringList.h" | |
37 #include "HTMLCollection.h" | |
38 | |
39 namespace WebCore { | |
40 | |
41 class PropertyNodeList; | |
42 | |
43 class HTMLPropertiesCollection : public HTMLCollection { | |
44 public: | |
45 static PassRefPtr<HTMLPropertiesCollection> create(Node*, CollectionType); | |
46 virtual ~HTMLPropertiesCollection(); | |
47 | |
48 void updateRefElements() const; | |
49 | |
50 PassRefPtr<DOMStringList> names() const; | |
51 virtual PassRefPtr<PropertyNodeList> propertyNodeList(const String&) const; | |
52 virtual bool hasNamedItem(const AtomicString&) const OVERRIDE; | |
53 | |
54 void invalidateCache() const | |
55 { | |
56 m_itemRefElements.clear(); | |
57 m_propertyNames.clear(); | |
58 } | |
59 | |
60 private: | |
61 HTMLPropertiesCollection(Node*); | |
62 | |
63 virtual Element* virtualItemAfter(unsigned& offsetInArray, Element*) const O
VERRIDE; | |
64 HTMLElement* virtualItemAfter(HTMLElement* base, Element* previous) const; | |
65 | |
66 void updateNameCache() const; | |
67 | |
68 void updatePropertyCache(const AtomicString& propertyName) const | |
69 { | |
70 if (!m_propertyNames) | |
71 m_propertyNames = DOMStringList::create(); | |
72 | |
73 if (!m_propertyNames->contains(propertyName)) | |
74 m_propertyNames->append(propertyName); | |
75 } | |
76 | |
77 mutable Vector<HTMLElement*> m_itemRefElements; | |
78 mutable RefPtr<DOMStringList> m_propertyNames; | |
79 }; | |
80 | |
81 } // namespace WebCore | |
82 | |
83 #endif // ENABLE(MICRODATA) | |
84 | |
85 #endif // HTMLPropertiesCollection_h | |
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