plasma-framework/private/dataengineconsumer.cpp
John Layt 6e9943e36c krazy fixes, mostly include guards and copyright tags
svn path=/trunk/KDE/kdelibs/; revision=1066779
2009-12-27 22:16:11 +00:00

135 lines
4.2 KiB
C++

/*
* Copyright 2005 by Aaron Seigo <aseigo@kde.org>
* Copyright 2007 by Riccardo Iaconelli <riccardo@kde.org>
* Copyright 2008 by Ménard Alexis <darktears31@gmail.com>
*
* This program 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, or
* (at your option) any later version.
*
* This program 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 General Public License for more details
*
* You should have received a copy of the GNU Library General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "dataengineconsumer_p.h"
#include <QtCore/QSet>
#include <kdebug.h>
#include "plasma/dataenginemanager.h"
#include "plasma/private/remotedataengine_p.h"
#include <servicejob.h>
namespace Plasma
{
ServiceMonitor::ServiceMonitor(DataEngineConsumer *consumer)
: m_consumer(consumer)
{
}
ServiceMonitor::~ServiceMonitor()
{
}
void ServiceMonitor::slotJobFinished(Plasma::ServiceJob *job)
{
kDebug() << "engine ready!";
QString engineName = job->parameters()["EngineName"].toString();
QString location = job->destination();
QPair<QString, QString> pair(location, engineName);
kDebug() << "pair = " << pair;
if (!m_consumer->m_remoteEngines.contains(pair)) {
kDebug() << "engine does not exist yet!";
} else {
KUrl engineLocation(location);
engineLocation.setFileName(job->result().toString());
kDebug() << "setting location : "
<< engineLocation.prettyUrl();
m_consumer->m_remoteEngines[pair]->setLocation(engineLocation);
}
}
void ServiceMonitor::slotServiceReady(Plasma::Service *plasmoidService)
{
kDebug() << "service ready!";
if (!m_consumer->m_engineNameForService.contains(plasmoidService)) {
kDebug() << "no engine name for service!";
kDebug() << "amount of services in map: " << m_consumer->m_engineNameForService.count();
} else {
kDebug() << "value = " << m_consumer->m_engineNameForService.value(plasmoidService);
}
kDebug() << "requesting dataengine!";
KConfigGroup op = plasmoidService->operationDescription("DataEngine");
op.writeEntry("EngineName", m_consumer->m_engineNameForService.value(plasmoidService));
plasmoidService->startOperationCall(op);
connect(plasmoidService, SIGNAL(finished(Plasma::ServiceJob*)),
this, SLOT(slotJobFinished(Plasma::ServiceJob*)));
}
DataEngineConsumer::DataEngineConsumer()
: m_monitor(new ServiceMonitor(this))
{
}
DataEngineConsumer::~DataEngineConsumer()
{
foreach (const QString &engine, m_loadedEngines) {
DataEngineManager::self()->unloadEngine(engine);
}
delete m_monitor;
}
DataEngine *DataEngineConsumer::dataEngine(const QString &name)
{
if (m_loadedEngines.contains(name)) {
return DataEngineManager::self()->engine(name);
}
DataEngine *engine = DataEngineManager::self()->loadEngine(name);
if (engine->isValid()) {
m_loadedEngines.insert(name);
}
return engine;
}
DataEngine *DataEngineConsumer::remoteDataEngine(const KUrl &location, const QString &name)
{
QPair<QString, QString> pair(location.prettyUrl(), name);
kDebug() << "pair = " << pair;
if (m_remoteEngines.contains(pair)) {
kDebug() << "existing remote dataengine at " << location;
return m_remoteEngines[pair];
}
kDebug() << "new remote dataengine at " << location;
RemoteDataEngine *engine = new RemoteDataEngine(KUrl());
m_remoteEngines[pair] = engine;
Service *plasmoidService = Service::access(location);
plasmoidService->setDestination(location.prettyUrl());
m_engineNameForService[plasmoidService] = name;
kDebug() << "name = " << name;
QObject::connect(plasmoidService, SIGNAL(serviceReady(Plasma::Service*)),
m_monitor, SLOT(slotServiceReady(Plasma::Service*)));
return engine;
}
} // namespace Plasma
#include "dataengineconsumer_p.moc"