/*
 * (C) 1999-2003 Lars Knoll (knoll@kde.org)
 * (C) 2002-2003 Dirk Mueller (mueller@kde.org)
 * Copyright (C) 2002, 2006, 2008 Apple Inc. All rights reserved.
 * Copyright (C) 2006 Samuel Weinig (sam@webkit.org)
 *
 * 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 CSSMediaRule_h
#define CSSMediaRule_h

#include "CSSRule.h"
#include "MediaList.h"
#include <wtf/text/WTFString.h>

namespace WebCore {

class CSSRuleList;
class StyleRuleMedia;

class CSSMediaRule : public CSSRule {
public:
    static PassRefPtr<CSSMediaRule> create(StyleRuleMedia* rule, CSSStyleSheet* sheet) { return adoptRef(new CSSMediaRule(rule, sheet)); }

    ~CSSMediaRule();

    MediaList* media() const;
    CSSRuleList* cssRules() const;

    unsigned insertRule(const String& rule, unsigned index, ExceptionCode&);
    void deleteRule(unsigned index, ExceptionCode&);

    String cssText() const;
        
    // For CSSRuleList
    unsigned length() const;
    CSSRule* item(unsigned index) const;

    void reattach(StyleRuleMedia*);

    void reportDescendantMemoryUsage(MemoryObjectInfo*) const;

private:
    CSSMediaRule(StyleRuleMedia*, CSSStyleSheet*);
    
    RefPtr<StyleRuleMedia> m_mediaRule;

    mutable RefPtr<MediaList> m_mediaCSSOMWrapper;
    mutable Vector<RefPtr<CSSRule> > m_childRuleCSSOMWrappers;
    mutable OwnPtr<CSSRuleList> m_ruleListCSSOMWrapper;
};

} // namespace WebCore

#endif // CSSMediaRule_h