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98 lines
2.6 KiB
98 lines
2.6 KiB
/*
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Copyright (C) 2002-2003 KSVG Team
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This file is part of the KDE project
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#include <kdebug.h>
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#include <tqvariant.h>
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#include "SVGDocumentImpl.h"
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#include "SVGSVGElementImpl.h"
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#include "ksvg_ecma.h"
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#include "ksvg_scriptinterpreter.h"
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#include "ksvg_ecmaeventlistener.h"
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using namespace KSVG;
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using namespace KJS;
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KSVGEcmaEventListener::KSVGEcmaEventListener(KJS::Object _listener, TQString _type, KSVGEcma *_ecma) : SVGEventListener()
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{
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m_listener = _listener;
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m_remove = true;
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m_type = _type;
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m_ecma = _ecma;
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m_ecma->addEventListener(this);
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}
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KSVGEcmaEventListener::~KSVGEcmaEventListener()
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{
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if(m_remove)
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m_ecma->removeEventListener(this);
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}
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void KSVGEcmaEventListener::forbidRemove()
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{
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m_remove = false;
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}
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void KSVGEcmaEventListener::handleEvent(SVGEventImpl *evt)
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{
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if(m_ecma && m_listener.implementsCall())
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{
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KSVGScriptInterpreter *interpreter = m_ecma->interpreter();
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ExecState *exec = m_ecma->globalExec();
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// Append 'evt'
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List args;
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args.append(getDOMEvent(exec, evt));
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// Set current event
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interpreter->setCurrentEvent(evt);
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// Call it!
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Object thisObj = Object::dynamicCast(getDOMNode(exec, *evt->currentTarget()));
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Value retval = m_listener.call(exec, thisObj, args);
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interpreter->setCurrentEvent(0);
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if(exec->hadException())
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{
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exec->clearException();
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// onerror support
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SVGSVGElementImpl *rootElement = static_cast<KSVGScriptInterpreter *>(exec->interpreter())->document()->rootElement();
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if(rootElement)
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rootElement->dispatchEvent(SVGEvent::ERROR_EVENT, true, false);
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}
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else
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{
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TQVariant ret = valueToVariant(exec, retval);
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if(ret.type() == TQVariant::Bool && ret.toBool() == false)
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evt->preventDefault();
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}
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}
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}
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DOM::DOMString KSVGEcmaEventListener::eventListenerType()
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{
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return "KSVGEcmaEventListener - " + m_type;
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}
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