/**

 * This file is part of the DOM implementation for KDE.

 *

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

 * Copyright (C) 2004, 2006 Apple Computer, Inc.

 *

 * 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.

 */

#include "config.h"

#include "StyleSheetList.h"

#include "CSSStyleSheet.h"

namespace WebCore {

StyleSheetList::~StyleSheetList()

{

    for (DeprecatedPtrListIterator<StyleSheet> it (styleSheets); it.current(); ++it)

        it.current()->deref();

}

void StyleSheetList::add(StyleSheet* s)

{

    if (!styleSheets.containsRef(s)) {

        s->ref();

        styleSheets.append(s);

    }

}

void StyleSheetList::remove(StyleSheet* s)

{

    if (styleSheets.removeRef(s))

        s->deref();

}

unsigned StyleSheetList::length() const

{

    return styleSheets.count();

}

StyleSheet* StyleSheetList::item(unsigned index)

{

    return index < length() ? styleSheets.at(index) : 0;

}

}