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Diffstat (limited to 'ksvg/impl/SVGScriptElementImpl.cc')
| -rw-r--r-- | ksvg/impl/SVGScriptElementImpl.cc | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/ksvg/impl/SVGScriptElementImpl.cc b/ksvg/impl/SVGScriptElementImpl.cc new file mode 100644 index 00000000..9a211425 --- /dev/null +++ b/ksvg/impl/SVGScriptElementImpl.cc @@ -0,0 +1,185 @@ +/* + 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 |