/*

 * (C) 1999-2003 Lars Knoll (knoll@kde.org)

 * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.

 *

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Library General Public

 * License as published by the Free Software Foundation; either

 * version 2 of the License, or (at your option) any later version.

 *

 * This library is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

 * Library General Public License for more details.

 *

 * You should have received a copy of the GNU Library General Public License

 * along with this library; see the file COPYING.LIB.  If not, write to

 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,

 * Boston, MA 02110-1301, USA.

 */

#ifndef CSSValueList_h

#define CSSValueList_h

#include "CSSValue.h"

#include <wtf/PassRefPtr.h>

#include <wtf/Vector.h>

namespace WebCore {

class CSSParserValueList;

class CSSValueList : public CSSValue {

public:

    static PassRefPtr<CSSValueList> createCommaSeparated()

    {

        return adoptRef(new CSSValueList(false));

    }

    static PassRefPtr<CSSValueList> createSpaceSeparated()

    {

        return adoptRef(new CSSValueList(true));

    }

    static PassRefPtr<CSSValueList> createFromParserValueList(CSSParserValueList* list)

    {

        return adoptRef(new CSSValueList(list));

    }

    virtual ~CSSValueList();

    size_t length() const { return m_values.size(); }

    CSSValue* item(unsigned);

    CSSValue* itemWithoutBoundsCheck(unsigned index) { return m_values[index].get(); }

    void append(PassRefPtr<CSSValue>);

    void prepend(PassRefPtr<CSSValue>);

    bool removeAll(CSSValue*);

    bool hasValue(CSSValue*);

    PassRefPtr<CSSValueList> copy();

    virtual String cssText() const;

    CSSParserValueList* createParserValueList() const;

    virtual void addSubresourceStyleURLs(ListHashSet<KURL>&, const CSSStyleSheet*);

protected:

    CSSValueList(bool isSpaceSeparated);

    CSSValueList(CSSParserValueList*);

private:

    virtual bool isValueList() const { return true; }

    virtual unsigned short cssValueType() const;

    Vector<RefPtr<CSSValue> > m_values;

    bool m_isSpaceSeparated;

};

} // namespace WebCore

#endif // CSSValueList_h