diff options
Diffstat (limited to 'ksvg/ecma/ksvg_ecmaeventlistener.cpp')
-rw-r--r-- | ksvg/ecma/ksvg_ecmaeventlistener.cpp | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/ksvg/ecma/ksvg_ecmaeventlistener.cpp b/ksvg/ecma/ksvg_ecmaeventlistener.cpp new file mode 100644 index 00000000..4b59f924 --- /dev/null +++ b/ksvg/ecma/ksvg_ecmaeventlistener.cpp @@ -0,0 +1,99 @@ +/* + Copyright (C) 2002-2003 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 <qvariant.h> + +#include "SVGDocumentImpl.h" +#include "SVGSVGElementImpl.h" + +#include "ksvg_ecma.h" +#include "ksvg_scriptinterpreter.h" +#include "ksvg_ecmaeventlistener.h" + +using namespace KSVG; +using namespace KJS; + +KSVGEcmaEventListener::KSVGEcmaEventListener(KJS::Object _listener, QString _type, KSVGEcma *_ecma) : SVGEventListener() +{ + m_listener = _listener; + m_remove = true; + m_type = _type; + m_ecma = _ecma; + + m_ecma->addEventListener(this); +} + +KSVGEcmaEventListener::~KSVGEcmaEventListener() +{ + if(m_remove) + m_ecma->removeEventListener(this); +} + +void KSVGEcmaEventListener::forbidRemove() +{ + m_remove = false; +} + +void KSVGEcmaEventListener::handleEvent(SVGEventImpl *evt) +{ + if(m_ecma && m_listener.implementsCall()) + { + KSVGScriptInterpreter *interpreter = m_ecma->interpreter(); + ExecState *exec = m_ecma->globalExec(); + + // Append 'evt' + List args; + args.append(getDOMEvent(exec, evt)); + + // Set current event + interpreter->setCurrentEvent(evt); + + // Call it! + Object thisObj = Object::dynamicCast(getDOMNode(exec, *evt->currentTarget())); + Value retval = m_listener.call(exec, thisObj, args); + + interpreter->setCurrentEvent(0); + + if(exec->hadException()) + { + exec->clearException(); + + // onerror support + SVGSVGElementImpl *rootElement = static_cast<KSVGScriptInterpreter *>(exec->interpreter())->document()->rootElement(); + if(rootElement) + rootElement->dispatchEvent(SVGEvent::ERROR_EVENT, true, false); + } + else + { + QVariant ret = valueToVariant(exec, retval); + if(ret.type() == QVariant::Bool && ret.toBool() == false) + evt->preventDefault(); + } + } +} + +DOM::DOMString KSVGEcmaEventListener::eventListenerType() +{ + return "KSVGEcmaEventListener - " + m_type; +} + +// vim:ts=4:noet |