1/* 2 * Copyright (C) 2010 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 16 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY 17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 18 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 19 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 23 */ 24 25#ifndef ClassList_h 26#define ClassList_h 27 28#include "DOMTokenList.h" 29#include "Element.h" 30#include "HTMLNames.h" 31#include "SpaceSplitString.h" 32#include <wtf/OwnPtr.h> 33#include <wtf/PassOwnPtr.h> 34#include <wtf/Vector.h> 35 36namespace WebCore { 37 38class Element; 39 40typedef int ExceptionCode; 41 42class ClassList : public DOMTokenList { 43public: 44 static PassOwnPtr<ClassList> create(Element* element) 45 { 46 return adoptPtr(new ClassList(element)); 47 } 48 49 virtual void ref() OVERRIDE; 50 virtual void deref() OVERRIDE; 51 52 virtual unsigned length() const OVERRIDE; 53 virtual const AtomicString item(unsigned index) const OVERRIDE; 54 55 virtual Element* element() OVERRIDE { return m_element; } 56 57 void clearValueForQuirksMode() { m_classNamesForQuirksMode = nullptr; } 58 59private: 60 ClassList(Element*); 61 62 virtual bool containsInternal(const AtomicString&) const OVERRIDE; 63 64 const SpaceSplitString& classNames() const; 65 66 virtual AtomicString value() const OVERRIDE { return m_element->getAttribute(HTMLNames::classAttr); } 67 virtual void setValue(const AtomicString& value) OVERRIDE { m_element->setAttribute(HTMLNames::classAttr, value); } 68 69 Element* m_element; 70 mutable OwnPtr<SpaceSplitString> m_classNamesForQuirksMode; 71}; 72 73} // namespace WebCore 74 75#endif // ClassList_h 76