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 "HTMLNames.h" 29#include "core/dom/DOMTokenList.h" 30#include "core/dom/Element.h" 31#include "core/dom/SpaceSplitString.h" 32#include "wtf/OwnPtr.h" 33#include "wtf/PassOwnPtr.h" 34 35namespace WebCore { 36 37class Element; 38 39typedef int ExceptionCode; 40 41class ClassList : public DOMTokenList { 42public: 43 static PassOwnPtr<ClassList> create(Element* element) 44 { 45 return adoptPtr(new ClassList(element)); 46 } 47 48 virtual void ref() OVERRIDE; 49 virtual void deref() OVERRIDE; 50 51 virtual unsigned length() const OVERRIDE; 52 virtual const AtomicString item(unsigned index) const OVERRIDE; 53 54 virtual Element* element() OVERRIDE { return m_element; } 55 56 void clearValueForQuirksMode() { m_classNamesForQuirksMode = nullptr; } 57 58private: 59 ClassList(Element*); 60 61 virtual bool containsInternal(const AtomicString&) const OVERRIDE; 62 63 const SpaceSplitString& classNames() const; 64 65 virtual AtomicString value() const OVERRIDE { return m_element->getAttribute(HTMLNames::classAttr); } 66 virtual void setValue(const AtomicString& value) OVERRIDE { m_element->setAttribute(HTMLNames::classAttr, value); } 67 68 Element* m_element; 69 mutable OwnPtr<SpaceSplitString> m_classNamesForQuirksMode; 70}; 71 72} // namespace WebCore 73 74#endif // ClassList_h 75