/*

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

 * Copyright (C) 2004, 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 StyleSheet_h

#define StyleSheet_h

#include "KURLHash.h"

#include "PlatformString.h"

#include "StyleList.h"

#include <wtf/ListHashSet.h>

namespace WebCore {

class CachedCSSStyleSheet;

class MediaList;

class Node;

class StyleSheet : public StyleList {

public:

    virtual ~StyleSheet();

    bool disabled() const { return m_disabled; }

    void setDisabled(bool disabled) { m_disabled = disabled; styleSheetChanged(); }

    Node* ownerNode() const { return m_parentNode; }

    StyleSheet *parentStyleSheet() const;

    // Note that href is the URL that started the redirect chain that led to

    // this style sheet. This property probably isn't useful for much except

    // the JavaScript binding (which needs to use this value for security).

    const String& href() const { return m_originalURL; }

    void setFinalURL(const KURL& finalURL) { m_finalURL = finalURL; }

    const KURL& finalURL() const { return m_finalURL; }

    const String& title() const { return m_strTitle; }

    void setTitle(const String& s) { m_strTitle = s; }

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

    void setMedia(PassRefPtr<MediaList>);

    virtual String type() const = 0;

    virtual bool isLoading() = 0;

    virtual void styleSheetChanged() { }

    virtual KURL completeURL(const String& url) const;

    virtual void addSubresourceStyleURLs(ListHashSet<KURL>&) { }

    virtual bool parseString(const String&, bool strict = true) = 0;

protected:

    StyleSheet(Node* ownerNode, const String& href, const KURL& finalURL);

    StyleSheet(StyleSheet* parentSheet, const String& href, const KURL& finalURL);

    StyleSheet(StyleBase* owner, const String& href, const KURL& finalURL);

private:

    virtual bool isStyleSheet() const { return true; }

    Node* m_parentNode;

    String m_originalURL;

    KURL m_finalURL;

    String m_strTitle;

    RefPtr<MediaList> m_media;

    bool m_disabled;

};

} // namespace

#endif