/*

 * (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.

 *

 * 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 CSSImportRule_h

#define CSSImportRule_h

#include "CSSRule.h"

#include "CachedResourceClient.h"

#include "CachedResourceHandle.h"

#include "MediaList.h"

#include "PlatformString.h"

namespace WebCore {

class CachedCSSStyleSheet;

class MediaList;

class CSSImportRule : public CSSRule, private CachedResourceClient {

public:

    static PassRefPtr<CSSImportRule> create(CSSStyleSheet* parent, const String& href, PassRefPtr<MediaList> media)

    {

        return adoptRef(new CSSImportRule(parent, href, media));

    }

    virtual ~CSSImportRule();

    String href() const { return m_strHref; }

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

    CSSStyleSheet* styleSheet() const { return m_styleSheet.get(); }

    virtual String cssText() const;

    // Not part of the CSSOM

    bool isLoading() const;

    virtual void addSubresourceStyleURLs(ListHashSet<KURL>& urls);

private:

    CSSImportRule(CSSStyleSheet* parent, const String& href, PassRefPtr<MediaList>);

    virtual bool isImportRule() { return true; }

    virtual void insertedIntoParent();

    // from CSSRule

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

    // from CachedResourceClient

    virtual void setCSSStyleSheet(const String& href, const KURL& baseURL, const String& charset, const CachedCSSStyleSheet*);

    String m_strHref;

    RefPtr<MediaList> m_lstMedia;

    RefPtr<CSSStyleSheet> m_styleSheet;

    CachedResourceHandle<CachedCSSStyleSheet> m_cachedSheet;

    bool m_loading;

};

} // namespace WebCore

#endif // CSSImportRule_h