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 "platform/heap/Handle.h" 30 #include "wtf/Vector.h" 31 #include "wtf/text/AtomicString.h" 32 33 namespace WebCore { 34 35 class Element; 36 class ExceptionState; 37 38 class DOMTokenList : public NoBaseWillBeGarbageCollectedFinalized<DOMTokenList>, public ScriptWrappable { 39 WTF_MAKE_NONCOPYABLE(DOMTokenList); 40 WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED; 41 public: 42 DOMTokenList() 43 { 44 ScriptWrappable::init(this); 45 } 46 virtual ~DOMTokenList() { } 47 48 #if !ENABLE(OILPAN) 49 virtual void ref() = 0; 50 virtual void deref() = 0; 51 #endif 52 53 virtual unsigned length() const = 0; 54 virtual const AtomicString item(unsigned index) const = 0; 55 56 bool contains(const AtomicString&, ExceptionState&) const; 57 virtual void add(const Vector<String>&, ExceptionState&); 58 void add(const AtomicString&, ExceptionState&); 59 virtual void remove(const Vector<String>&, ExceptionState&); 60 void remove(const AtomicString&, ExceptionState&); 61 bool toggle(const AtomicString&, ExceptionState&); 62 bool toggle(const AtomicString&, bool force, ExceptionState&); 63 64 const AtomicString& toString() const { return value(); } 65 66 virtual Element* element() { return 0; } 67 68 virtual void trace(Visitor*) { } 69 70 protected: 71 virtual const AtomicString& value() const = 0; 72 virtual void setValue(const AtomicString&) = 0; 73 74 virtual void addInternal(const AtomicString&); 75 virtual bool containsInternal(const AtomicString&) const = 0; 76 virtual void removeInternal(const AtomicString&); 77 78 static bool validateToken(const String&, ExceptionState&); 79 static bool validateTokens(const Vector<String>&, ExceptionState&); 80 static AtomicString addToken(const AtomicString&, const AtomicString&); 81 static AtomicString addTokens(const AtomicString&, const Vector<String>&); 82 static AtomicString removeToken(const AtomicString&, const AtomicString&); 83 static AtomicString removeTokens(const AtomicString&, const Vector<String>&); 84 }; 85 86 } // namespace WebCore 87 88 #endif // DOMTokenList_h 89
