1/* 2 * Copyright (c) 2011 Motorola Mobility, Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without modification, 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 39namespace WebCore { 40 41class PropertyNodeList; 42 43class HTMLPropertiesCollection : public HTMLCollection { 44public: 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 60private: 61 HTMLPropertiesCollection(Node*); 62 63 virtual Element* virtualItemAfter(unsigned& offsetInArray, Element*) const OVERRIDE; 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 86