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/*
* 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 "CachedImage.h"
#include "Element.h"
#include "Event.h"
#include "EventNames.h"
#include "HTMLNames.h"
#include "HTMLObjectElement.h"
#include "HTMLParserIdioms.h"
#include "Settings.h"
#if USE(JSC)
#include "JSDOMWindowBase.h"
#include <runtime/JSLock.h>
#endif
namespace WebCore {
HTMLImageLoader::HTMLImageLoader(ImageLoaderClient* client)
: ImageLoader(client)
{
}
HTMLImageLoader::~HTMLImageLoader()
{
}
void HTMLImageLoader::dispatchLoadEvent()
{
// HTMLVideoElement uses this class to load the poster image, but it should not fire events for loading or failure.
if (client()->sourceElement()->hasTagName(HTMLNames::videoTag))
return;
bool errorOccurred = image()->errorOccurred();
if (!errorOccurred && image()->response().httpStatusCode() >= 400)
errorOccurred = client()->sourceElement()->hasTagName(HTMLNames::objectTag); // An <object> considers a 404 to be an error and should fire onerror.
client()->imageElement()->dispatchEvent(Event::create(errorOccurred ? eventNames().errorEvent : eventNames().loadEvent, false, false));
}
String HTMLImageLoader::sourceURI(const AtomicString& attr) const
{
#if ENABLE(DASHBOARD_SUPPORT)
Settings* settings = client()->sourceElement()->document()->settings();
if (settings && settings->usesDashboardBackwardCompatibilityMode() && attr.length() > 7 && attr.startsWith("url(\"") && attr.endsWith("\")"))
return attr.string().substring(5, attr.length() - 7);
#endif
return stripLeadingAndTrailingHTMLSpaces(attr);
}
void HTMLImageLoader::notifyFinished(CachedResource*)
{
CachedImage* cachedImage = image();
Element* elem = client()->sourceElement();
ImageLoader::notifyFinished(cachedImage);
bool loadError = cachedImage->errorOccurred() || cachedImage->response().httpStatusCode() >= 400;
#if USE(JSC)
if (!loadError) {
if (!elem->inDocument()) {
JSC::JSGlobalData* globalData = JSDOMWindowBase::commonJSGlobalData();
JSC::JSLockHolder lock(globalData);
globalData->heap.reportExtraMemoryCost(cachedImage->encodedSize());
}
}
#endif
if (loadError && elem->hasTagName(HTMLNames::objectTag))
static_cast<HTMLObjectElement*>(elem)->renderFallbackContent();
}
}
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