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/*
Copyright (C) 2001-2003 KSVG Team
This file is part of the KDE 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 <kdebug.h>
#include <kio/job.h>
#include <kfilterdev.h>
#include <qbuffer.h>
#include "SVGDocumentImpl.h"
#include "SVGAnimatedStringImpl.h"
#include "SVGScriptElementImpl.moc"
using namespace KSVG;
#include "SVGScriptElementImpl.lut.h"
#include "ksvg_scriptinterpreter.h"
#include "ksvg_bridge.h"
#include "ksvg_ecma.h"
SVGScriptElementImpl::SVGScriptElementImpl(DOM::ElementImpl *impl) : QObject(), SVGElementImpl(impl), SVGURIReferenceImpl(), SVGExternalResourcesRequiredImpl()
{
KSVG_EMPTY_FLAGS
m_job = 0;
m_added = false;
}
SVGScriptElementImpl::~SVGScriptElementImpl()
{
}
void SVGScriptElementImpl::setType(const DOM::DOMString &type)
{
setAttribute("type", type);
}
DOM::DOMString SVGScriptElementImpl::type() const
{
return getAttribute("type");
}
void SVGScriptElementImpl::setAttributes()
{
SVGElementImpl::setAttributes();
// Spec: provide a default type
if(KSVG_TOKEN_NOT_PARSED(Type))
KSVG_SET_ALT_ATTRIBUTE(Type, "text/ecmascript")
// Remote downloading
QString href = m_href->baseVal().string();
if(!href.isEmpty())
{
KURL url(ownerDoc()->baseUrl(), href);
if(m_job == 0)
m_job = KIO::get(url, false, false);
connect(m_job, SIGNAL(data(KIO::Job *, const QByteArray &)), this, SLOT(slotData(KIO::Job *, const QByteArray &)));
connect(m_job, SIGNAL(result(KIO::Job *)), this, SLOT(slotResult(KIO::Job *)));
}
}
void SVGScriptElementImpl::slotData(KIO::Job *, const QByteArray &data)
{
QDataStream dataStream(m_data, IO_WriteOnly | IO_Append);
dataStream.writeRawBytes(data.data(), data.size());
}
void SVGScriptElementImpl::slotResult(KIO::Job *)
{
m_job = 0;
// Append a NULL terminator so we don't die
m_data.resize(m_data.size() + 1);
m_data[m_data.size() - 1] = '\0';
QBuffer buf(m_data);
QIODevice *dev = KFilterDev::device(&buf, "application/x-gzip", false);
QByteArray contents;
if(dev->open(IO_ReadOnly))
contents = dev->readAll();
delete dev;
m_text = QString::fromUtf8(contents.data());
m_data.resize(0);
}
bool SVGScriptElementImpl::canExecuteScript()
{
if(!m_added)
{
m_added = true;
m_text += collectText();
}
if(m_text.isEmpty() && !getAttribute("href").isNull() && !getAttribute("href").string().isEmpty())
return false;
return true;
}
bool SVGScriptElementImpl::executeScript(DOM::Node node)
{
return SVGScriptElementImpl::executeScript(node, ownerDoc(), m_text);
}
bool SVGScriptElementImpl::executeScript(DOM::Node node, SVGDocumentImpl *document, const QString &text)
{
#ifdef KJS_VERBOSE
kdDebug(6070) << "SVGScriptElementImpl::executeScript n=" << node.nodeName().string().latin1() << "(" << (node.isNull() ? 0 : node.nodeType()) << ") " << text << endl;
#endif
KSVGEcma *ecmaEngine = document->ecmaEngine();
if(!ecmaEngine->initialized())
ecmaEngine->setup();
KJS::Value thisNode = node.isNull() ? ecmaEngine->globalObject() : getDOMNode(ecmaEngine->globalExec(), node);
KJS::UString code(text);
KJS::Completion comp = ecmaEngine->evaluate(code, thisNode);
// TODO: If that's needed find a better solution which
// doesn't cause endless loops if the func, specified in
// onerror="..." isn't yet available
// onerror support
// if(comp.complType() == Throw)
// document->rootElement()->dispatchEvent(SVGEventImpl::ERROR_EVENT, false, false);
return (comp.complType() == KJS::Normal) || (comp.complType() == KJS::ReturnValue);
}
// Ecma stuff
/*
@namespace KSVG
@begin SVGScriptElementImpl::s_hashTable 2
type SVGScriptElementImpl::Type DontDelete
@end
*/
Value SVGScriptElementImpl::getValueProperty(ExecState *, int token) const
{
switch(token)
{
case Type:
return String(type());
default:
kdWarning() << "Unhandled token in " << k_funcinfo << " : " << token << endl;
return Undefined();
}
}
void SVGScriptElementImpl::putValueProperty(KJS::ExecState *exec, int token, const KJS::Value &value, int)
{
switch(token)
{
case Type:
setType(value.toString(exec).string());
break;
default:
kdWarning() << "Unhandled token in " << k_funcinfo << " : " << token << endl;
}
}
// vim:ts=4:noet
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