svgimageloader.cpp

linux下开源浏览器WebKit的源码,市面上的很多商用浏览器都是移植自WebKit

/*
    Copyright (C) 2005, 2005 Alexander Kellett <[e-mail]>
                  2008 Rob Buis <[e-mail]>

    This file is part of the WebKit project

    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 "SVGImageLoader.h"

#include "EventNames.h"
#include "SVGImageElement.h"
#include "RenderImage.h"

namespace WebCore {

SVGImageLoader::SVGImageLoader(SVGImageElement* node)
    : ImageLoader(node)
{
}

SVGImageLoader::~SVGImageLoader()
{
}

void SVGImageLoader::dispatchLoadEvent()
{
    if (!haveFiredLoadEvent() && image()) {
        setHaveFiredLoadEvent(true);
        
        if (image()->errorOccurred())
            element()->dispatchEventForType(eventNames().errorEvent, false, false);
        else {
            SVGImageElement* imageElement = static_cast<SVGImageElement*>(element());
            if (imageElement->externalResourcesRequiredBaseValue())
                imageElement->sendSVGLoadEventIfPossible(true);
        }
    }
}

String SVGImageLoader::sourceURI(const AtomicString& attr) const
{
    return parseURL(KURL(element()->baseURI(), attr).string());
}

}

#endif // ENABLE(SVG)