/platform/external/webkit/WebCore/css/CSSInitialValue.h

 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
27namespace WebCore {
28
29class CSSInitialValue : public CSSValue {
30public:
31    static PassRefPtr<CSSInitialValue> createExplicit()
32    {
33        static CSSInitialValue* explicitValue = new CSSInitialValue(false);
34        return explicitValue;
35    }
36    static PassRefPtr<CSSInitialValue> createImplicit()
37    {
38        static CSSInitialValue* explicitValue = new CSSInitialValue(true);
39        return explicitValue;
40    }
41
42    virtual String cssText() const;
43        
44private:
45    CSSInitialValue(bool implicit)
46        : m_implicit(implicit)
47    {
48    }
49
50    virtual unsigned short cssValueType() const;
51    virtual bool isImplicitInitialValue() const { return m_implicit; }
52
53    bool m_implicit;
54};
55
56} // namespace WebCore
57
58#endif // CSSInitialValue_h