/*
 * Copyright (C) 2007 Eric Seidel <eric@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.
 */

#include "config.h"

#if ENABLE(SVG_FONTS)
#include "SVGFontFaceSrcElement.h"

#include "CSSFontFaceSrcValue.h"
#include "CSSValueList.h"
#include "ElementIterator.h"
#include "SVGFontFaceElement.h"
#include "SVGFontFaceNameElement.h"
#include "SVGFontFaceUriElement.h"
#include "SVGNames.h"

namespace WebCore {
    
using namespace SVGNames;
    
inline SVGFontFaceSrcElement::SVGFontFaceSrcElement(const QualifiedName& tagName, Document& document)
    : SVGElement(tagName, document)
{
    ASSERT(hasTagName(font_face_srcTag));
}

PassRefPtr<SVGFontFaceSrcElement> SVGFontFaceSrcElement::create(const QualifiedName& tagName, Document& document)
{
    return adoptRef(new SVGFontFaceSrcElement(tagName, document));
}

PassRefPtr<CSSValueList> SVGFontFaceSrcElement::srcValue() const
{
    RefPtr<CSSValueList> list = CSSValueList::createCommaSeparated();
    for (auto& child : childrenOfType<SVGElement>(*this)) {
        RefPtr<CSSFontFaceSrcValue> srcValue;
        if (isSVGFontFaceUriElement(child))
            srcValue = toSVGFontFaceUriElement(child).srcValue();
        else if (isSVGFontFaceNameElement(child))
            srcValue = toSVGFontFaceNameElement(child).srcValue();
        if (srcValue && srcValue->resource().length())
            list->append(srcValue.releaseNonNull());
    }
    return list;
}

void SVGFontFaceSrcElement::childrenChanged(const ChildChange& change)
{
    SVGElement::childrenChanged(change);
    if (parentNode() && isSVGFontFaceElement(parentNode()))
        toSVGFontFaceElement(parentNode())->rebuildFontFace();
}

}

#endif // ENABLE(SVG_FONTS)
