1 /*
2  * (C) 1999-2003 Lars Knoll (knoll@kde.org)
3  * Copyright (C) 2004, 2005, 2006, 2008 Apple Inc. All rights reserved.
4  *
5  * This library is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU Library General Public
7  * License as published by the Free Software Foundation; either
8  * version 2 of the License, or (at your option) any later version.
9  *
10  * This library is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13  * Library General Public License for more details.
14  *
15  * You should have received a copy of the GNU Library General Public License
16  * along with this library; see the file COPYING.LIB.  If not, write to
17  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
18  * Boston, MA 02110-1301, USA.
19  */
20 
21 #ifndef CSSInitialValue_h
22 #define CSSInitialValue_h
23 
24 #include "CSSValue.h"
25 #include <wtf/PassRefPtr.h>
26 
27 namespace WebCore {
28 
29 class CSSInitialValue : public CSSValue {
30 public:
createExplicit()31     static PassRefPtr<CSSInitialValue> createExplicit()
32     {
33         static CSSInitialValue* explicitValue = create(false).releaseRef();
34         return explicitValue;
35     }
createImplicit()36     static PassRefPtr<CSSInitialValue> createImplicit()
37     {
38         static CSSInitialValue* explicitValue = create(true).releaseRef();
39         return explicitValue;
40     }
41 
42     virtual String cssText() const;
43 
44 private:
CSSInitialValue(bool implicit)45     CSSInitialValue(bool implicit)
46         : m_implicit(implicit)
47     {
48     }
49 
create(bool implicit)50     static PassRefPtr<CSSInitialValue> create(bool implicit)
51     {
52         return adoptRef(new CSSInitialValue(implicit));
53     }
54 
55     virtual unsigned short cssValueType() const;
isImplicitInitialValue()56     virtual bool isImplicitInitialValue() const { return m_implicit; }
57 
58     bool m_implicit;
59 };
60 
61 } // namespace WebCore
62 
63 #endif // CSSInitialValue_h
64