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/*
* Copyright (C) 1999-2000 Harri Porten (porten@kde.org)
* Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "config.h"
#include "JSImageConstructor.h"
#include "HTMLImageElement.h"
#include "HTMLNames.h"
#include "JSNode.h"
#include "ScriptExecutionContext.h"
using namespace JSC;
namespace WebCore {
ASSERT_CLASS_FITS_IN_CELL(JSImageConstructor)
const ClassInfo JSImageConstructor::s_info = { "ImageConstructor", 0, 0, 0 };
JSImageConstructor::JSImageConstructor(ExecState* exec, ScriptExecutionContext* context)
: DOMObject(JSImageConstructor::createStructure(exec->lexicalGlobalObject()->objectPrototype()))
{
ASSERT(context->isDocument());
m_document = static_cast<JSDocument*>(asObject(toJS(exec, static_cast<Document*>(context))));
}
static JSObject* constructImage(ExecState* exec, JSObject* constructor, const ArgList& args)
{
bool widthSet = false;
bool heightSet = false;
int width = 0;
int height = 0;
if (args.size() > 0) {
widthSet = true;
width = args.at(exec, 0).toInt32(exec);
}
if (args.size() > 1) {
heightSet = true;
height = args.at(exec, 1).toInt32(exec);
}
Document* document = static_cast<JSImageConstructor*>(constructor)->document();
if (!document)
return throwError(exec, ReferenceError, "Image constructor associated document is unavailable");
// Calling toJS on the document causes the JS document wrapper to be
// added to the window object. This is done to ensure that JSDocument::mark
// will be called (which will cause the image element to be marked if necessary).
toJS(exec, document);
RefPtr<HTMLImageElement> image = new HTMLImageElement(HTMLNames::imgTag, document);
if (widthSet)
image->setWidth(width);
if (heightSet)
image->setHeight(height);
return asObject(toJS(exec, image.release()));
}
ConstructType JSImageConstructor::getConstructData(ConstructData& constructData)
{
constructData.native.function = constructImage;
return ConstructTypeHost;
}
void JSImageConstructor::mark()
{
DOMObject::mark();
if (!m_document->marked())
m_document->mark();
}
} // namespace WebCore
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