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 "core/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 35 namespace WebCore { 36 37 class Element; 38 39 typedef int ExceptionCode; 40 41 class ClassList FINAL : public DOMTokenList { 42 public: 43 static PassOwnPtrWillBeRawPtr<ClassList> create(Element* element) 44 { 45 return adoptPtrWillBeNoop(new ClassList(element)); 46 } 47 48 #if !ENABLE(OILPAN) 49 virtual void ref() OVERRIDE; 50 virtual void deref() OVERRIDE; 51 #endif 52 53 virtual unsigned length() const OVERRIDE; 54 virtual const AtomicString item(unsigned index) const OVERRIDE; 55 56 virtual Element* element() OVERRIDE { return m_element; } 57 58 void clearValueForQuirksMode() { m_classNamesForQuirksMode = nullptr; } 59 60 virtual void trace(Visitor*) OVERRIDE; 61 62 private: 63 explicit ClassList(Element*); 64 65 virtual bool containsInternal(const AtomicString&) const OVERRIDE; 66 67 const SpaceSplitString& classNames() const; 68 69 virtual const AtomicString& value() const OVERRIDE { return m_element->getAttribute(HTMLNames::classAttr); } 70 virtual void setValue(const AtomicString& value) OVERRIDE { m_element->setAttribute(HTMLNames::classAttr, value); } 71 72 RawPtrWillBeMember<Element> m_element; 73 mutable OwnPtr<SpaceSplitString> m_classNamesForQuirksMode; 74 }; 75 76 } // namespace WebCore 77 78 #endif // ClassList_h 79
