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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 DOMSettableTokenList_h
26 #define DOMSettableTokenList_h
27 
28 #include "DOMTokenList.h"
29 #include "ExceptionCode.h"
30 #include "SpaceSplitString.h"
31 #include <wtf/PassOwnPtr.h>
32 #include <wtf/RefCounted.h>
33 #include <wtf/text/AtomicString.h>
34 
35 namespace WebCore {
36 
37 class DOMSettableTokenList : public DOMTokenList, public RefCounted<DOMSettableTokenList> {
38     WTF_MAKE_FAST_ALLOCATED;
39 public:
create()40     static PassRefPtr<DOMSettableTokenList> create()
41     {
42         return adoptRef(new DOMSettableTokenList());
43     }
44     virtual ~DOMSettableTokenList();
45 
ref()46     virtual void ref() { RefCounted<DOMSettableTokenList>::ref(); }
deref()47     virtual void deref() { RefCounted<DOMSettableTokenList>::deref(); }
48 
length()49     virtual unsigned length() const { return m_tokens.size(); }
50     virtual const AtomicString item(unsigned index) const;
51     virtual bool contains(const AtomicString&, ExceptionCode&) const;
52     virtual void add(const AtomicString&, ExceptionCode&);
53     virtual void remove(const AtomicString&, ExceptionCode&);
54     virtual bool toggle(const AtomicString&, ExceptionCode&);
toString()55     virtual String toString() const { return value(); }
56 
value()57     String value() const { return m_value; }
58     void setValue(const String&);
59 
60 private:
61     DOMSettableTokenList();
62 
63     void removeInternal(const AtomicString&);
64     void addInternal(const AtomicString&);
65 
66     String m_value;
67     SpaceSplitString m_tokens;
68 };
69 
70 } // namespace WebCore
71 
72 #endif // DOMSettableTokenList_h
73