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98 lines
3.7 KiB
98 lines
3.7 KiB
/* This file is part of the KDE libraries
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Copyright (C) 2003 David Faure <faure@kde.org>
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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 version 2 as published by the Free Software Foundation.
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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 "kdcopservicestarter.h"
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#include "ktrader.h"
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#include <tdeapplication.h>
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#include "kservice.h"
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#include <kstaticdeleter.h>
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#include <kdebug.h>
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#include <klocale.h>
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#include <dcopclient.h>
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static KStaticDeleter<KDCOPServiceStarter> dss_sd;
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KDCOPServiceStarter* KDCOPServiceStarter::s_self;
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KDCOPServiceStarter* KDCOPServiceStarter::self()
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{
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if ( !s_self )
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dss_sd.setObject( s_self, new KDCOPServiceStarter );
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return s_self;
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}
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KDCOPServiceStarter::KDCOPServiceStarter()
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{
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// Set the singleton instance - useful when a derived KDCOPServiceStarter
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// was created (before self() was called)
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s_self = this;
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}
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KDCOPServiceStarter::~KDCOPServiceStarter()
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{
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}
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int KDCOPServiceStarter::findServiceFor( const TQString& serviceType,
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const TQString& _constraint,
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const TQString& preferences,
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TQString *error, TQCString* pDcopService,
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int flags )
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{
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// Ask the trader which service is preferred for this servicetype
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// We want one that provides a DCOP interface
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TQString constraint = _constraint;
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if ( !constraint.isEmpty() )
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constraint += " and ";
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constraint += "exist [X-DCOP-ServiceName]";
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TDETrader::OfferList offers = TDETrader::self()->query(serviceType, "Application", constraint, preferences);
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if ( offers.isEmpty() ) {
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if ( error )
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*error = i18n("No service implementing %1").arg( serviceType );
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kdWarning() << "KDCOPServiceStarter: No service implementing " << serviceType << endl;
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return -1;
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}
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KService::Ptr ptr = offers.first();
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TQCString dcopService = ptr->property("X-DCOP-ServiceName").toString().latin1();
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if ( !kapp->dcopClient()->isApplicationRegistered( dcopService ) )
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{
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TQString error;
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if ( startServiceFor( serviceType, constraint, preferences, &error, &dcopService, flags ) != 0 )
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{
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kdDebug() << "KDCOPServiceStarter: Couldn't start service: " << error << endl;
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return -2;
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}
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}
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kdDebug() << "KDCOPServiceStarter: DCOP service is available now, as " << dcopService << endl;
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if ( pDcopService )
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*pDcopService = dcopService;
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return 0;
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}
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int KDCOPServiceStarter::startServiceFor( const TQString& serviceType,
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const TQString& constraint,
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const TQString& preferences,
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TQString *error, TQCString* dcopService, int /*flags*/ )
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{
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TDETrader::OfferList offers = TDETrader::self()->query(serviceType, "Application", constraint, preferences);
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if ( offers.isEmpty() )
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return -1;
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KService::Ptr ptr = offers.first();
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kdDebug() << "KDCOPServiceStarter: starting " << ptr->desktopEntryPath() << endl;
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return kapp->startServiceByDesktopPath( ptr->desktopEntryPath(), TQStringList(), error, dcopService );
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}
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