WebCore/svg/SVGSwitchElement.cpp

/*
 * Copyright (C) 2004, 2005 Nikolas Zimmermann <zimmermann@kde.org>
 * Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.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)
#include "SVGSwitchElement.h"

#include "RenderSVGTransformableContainer.h"
#include "SVGNames.h"

namespace WebCore {

inline SVGSwitchElement::SVGSwitchElement(const QualifiedName& tagName, Document* document)
    : SVGStyledTransformableElement(tagName, document)
{
}

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

bool SVGSwitchElement::childShouldCreateRenderer(Node* child) const
{
    // FIXME: This function does not do what the comment below implies it does.
    // It will create a renderer for any valid SVG element children, not just the first one.

    for (Node* n = firstChild(); n != 0; n = n->nextSibling()) {
        if (n->isSVGElement()) {
            SVGElement* element = static_cast<SVGElement*>(n);
            if (element && element->isValid())
                return (n == child); // Only allow this child if it's the first valid child
        }
    }

    return false;
}

RenderObject* SVGSwitchElement::createRenderer(RenderArena* arena, RenderStyle*)
{
    return new (arena) RenderSVGTransformableContainer(this);
}

void SVGSwitchElement::synchronizeProperty(const QualifiedName& attrName)
{
    SVGStyledTransformableElement::synchronizeProperty(attrName);

    if (attrName == anyQName()) {
        synchronizeExternalResourcesRequired();
        SVGTests::synchronizeProperties(this, attrName);
        return;
    }

    if (SVGExternalResourcesRequired::isKnownAttribute(attrName))
        synchronizeExternalResourcesRequired();
    else if (SVGTests::isKnownAttribute(attrName))
        SVGTests::synchronizeProperties(this, attrName);
}

}

#endif // ENABLE(SVG)