/*

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

 *           (C) 1999 Antti Koivisto (koivisto@kde.org)

 * Copyright (C) 2004, 2005, 2006, 2007, 2010 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.

 */

#include "config.h"

#include "HTMLImageLoader.h"

#include "CSSHelper.h"

#include "CachedImage.h"

#include "Element.h"

#include "Event.h"

#include "EventNames.h"

#include "HTMLNames.h"

#include "HTMLObjectElement.h"

#if USE(JSC)

#include "JSDOMWindowBase.h"

#endif

namespace WebCore {

HTMLImageLoader::HTMLImageLoader(Element* node)

    : ImageLoader(node)

{

}

HTMLImageLoader::~HTMLImageLoader()

{

}

void HTMLImageLoader::dispatchLoadEvent()

{

    bool errorOccurred = image()->errorOccurred();

    if (!errorOccurred && image()->httpStatusCodeErrorOccurred())

        errorOccurred = element()->hasTagName(HTMLNames::objectTag); // An <object> considers a 404 to be an error and should fire onerror.

    element()->dispatchEvent(Event::create(errorOccurred ? eventNames().errorEvent : eventNames().loadEvent, false, false));

}

String HTMLImageLoader::sourceURI(const AtomicString& attr) const

{

    return deprecatedParseURL(attr);

}

void HTMLImageLoader::notifyFinished(CachedResource*)

{

    CachedImage* cachedImage = image();

    Element* elem = element();

    ImageLoader::notifyFinished(cachedImage);

#if USE(JSC)

    if (!cachedImage->errorOccurred() && !cachedImage->httpStatusCodeErrorOccurred()) {

        if (!elem->inDocument()) {

            JSC::JSGlobalData* globalData = JSDOMWindowBase::commonJSGlobalData();

            globalData->heap.reportExtraMemoryCost(cachedImage->encodedSize());

        }

    }

#endif

    if ((cachedImage->errorOccurred() || cachedImage->httpStatusCodeErrorOccurred()) && elem->hasTagName(HTMLNames::objectTag))

        static_cast<HTMLObjectElement*>(elem)->renderFallbackContent();

}

}