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 DOMTokenList_h 26 #define DOMTokenList_h 27 28 #include "bindings/v8/ScriptWrappable.h" 29 #include "wtf/Vector.h" 30 #include "wtf/text/AtomicString.h" 31 32 namespace WebCore { 33 34 class Element; 35 class ExceptionState; 36 37 class DOMTokenList : public ScriptWrappable { 38 WTF_MAKE_NONCOPYABLE(DOMTokenList); WTF_MAKE_FAST_ALLOCATED; 39 public: DOMTokenList()40 DOMTokenList() 41 { 42 ScriptWrappable::init(this); 43 } ~DOMTokenList()44 virtual ~DOMTokenList() { }; 45 46 virtual void ref() = 0; 47 virtual void deref() = 0; 48 49 virtual unsigned length() const = 0; 50 virtual const AtomicString item(unsigned index) const = 0; 51 52 bool contains(const AtomicString&, ExceptionState&) const; 53 virtual void add(const Vector<String>&, ExceptionState&); 54 void add(const AtomicString&, ExceptionState&); 55 virtual void remove(const Vector<String>&, ExceptionState&); 56 void remove(const AtomicString&, ExceptionState&); 57 bool toggle(const AtomicString&, ExceptionState&); 58 bool toggle(const AtomicString&, bool force, ExceptionState&); 59 toString()60 AtomicString toString() const { return value(); } 61 element()62 virtual Element* element() { return 0; } 63 64 protected: 65 virtual AtomicString value() const = 0; 66 virtual void setValue(const AtomicString&) = 0; 67 68 virtual void addInternal(const AtomicString&); 69 virtual bool containsInternal(const AtomicString&) const = 0; 70 virtual void removeInternal(const AtomicString&); 71 72 static bool validateToken(const AtomicString&, ExceptionState&); 73 static bool validateTokens(const Vector<String>&, ExceptionState&); 74 static String addToken(const AtomicString&, const AtomicString&); 75 static String addTokens(const AtomicString&, const Vector<String>&); 76 static String removeToken(const AtomicString&, const AtomicString&); 77 static String removeTokens(const AtomicString&, const Vector<String>&); 78 }; 79 80 } // namespace WebCore 81 82 #endif // DOMTokenList_h 83