/*

 * Copyright (C) 2008 Apple Inc. All Rights Reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 * 1. Redistributions of source code must retain the above copyright

 *    notice, this list of conditions and the following disclaimer.

 * 2. Redistributions in binary form must reproduce the above copyright

 *    notice, this list of conditions and the following disclaimer in the

 *    documentation and/or other materials provided with the distribution.

 *

 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY

 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR

 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR

 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY

 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 

 */

#ifndef CSSVariablesRule_h

#define CSSVariablesRule_h

#include "CSSRule.h"

#include "CSSVariablesDeclaration.h"

#include <wtf/RefPtr.h>

namespace WebCore {

class CSSStyleSheet;

class MediaList;

class CSSVariablesRule : public CSSRule {

public:

    static PassRefPtr<CSSVariablesRule> create(CSSStyleSheet* parent, MediaList* mediaList, bool variablesKeyword)

    {

        return adoptRef(new CSSVariablesRule(parent, mediaList, variablesKeyword));

    }

    virtual ~CSSVariablesRule();

    // CSSVariablesRule interface

    MediaList* media() const { return m_lstMedia.get(); }

    CSSVariablesDeclaration* variables() { return m_variables.get(); }

    // Inherited from CSSRule

    virtual unsigned short type() const { return VARIABLES_RULE; }

    virtual String cssText() const;

    virtual bool isVariablesRule() { return true; }

    // Used internally.  Does not notify the document of the change.  Only intended

    // for use on initial parse.

    void setDeclaration(PassRefPtr<CSSVariablesDeclaration> decl) { m_variables = decl; }

private:

    CSSVariablesRule(CSSStyleSheet* parent, MediaList*, bool variablesKeyword);

    RefPtr<MediaList> m_lstMedia;

    RefPtr<CSSVariablesDeclaration> m_variables;

    bool m_variablesKeyword;

};

} // namespace WebCore

#endif // CSSVariablesRule_h