162 lines
4.6 KiB
C++
162 lines
4.6 KiB
C++
/*
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* Copyright 2005 by Aaron Seigo <aseigo@kde.org>
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* Copyright 2007 by Riccardo Iaconelli <riccardo@kde.org>
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* Copyright 2008 by Ménard Alexis <darktears31@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Library General Public License as
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* published by the Free Software Foundation; either version 2, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "dataengineconsumer.h"
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#include "private/dataengineconsumer_p.h"
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#include <QSet>
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#include <qurlpathinfo.h>
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#include <kdebug.h>
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#include "private/dataenginemanager_p.h"
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#include "private/remotedataengine_p.h"
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#include "servicejob.h"
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namespace Plasma
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{
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void DataEngineConsumerPrivate::slotJobFinished(Plasma::ServiceJob *job)
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{
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#ifndef NDEBUG
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kDebug() << "engine ready!";
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#endif
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QString engineName = job->parameters()["EngineName"].toString();
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QString location = job->destination();
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QPair<QString, QString> pair(location, engineName);
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#ifndef NDEBUG
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kDebug() << "pair = " << pair;
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#endif
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if (!remoteEngines.contains(pair)) {
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#ifndef NDEBUG
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kDebug() << "engine does not exist yet!";
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#endif
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} else {
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QUrlPathInfo engineLocation = QUrlPathInfo(QUrl(location));
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engineLocation.setFileName(job->result().toString());
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#ifndef NDEBUG
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kDebug() << "setting location : " << engineLocation.url();
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#endif
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remoteEngines[pair]->setLocation(engineLocation.url());
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}
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}
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void DataEngineConsumerPrivate::slotServiceReady(Plasma::Service *plasmoidService)
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{
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#ifndef NDEBUG
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kDebug() << "service ready!";
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#endif
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if (!engineNameForService.contains(plasmoidService)) {
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#ifndef NDEBUG
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kDebug() << "no engine name for service!";
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#endif
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#ifndef NDEBUG
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kDebug() << "amount of services in map: " << engineNameForService.count();
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#endif
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} else {
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#ifndef NDEBUG
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kDebug() << "value = " << engineNameForService.value(plasmoidService);
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#endif
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}
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#ifndef NDEBUG
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kDebug() << "requesting dataengine!";
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#endif
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KConfigGroup op = plasmoidService->operationDescription("DataEngine");
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op.writeEntry("EngineName", engineNameForService.value(plasmoidService));
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plasmoidService->startOperationCall(op);
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connect(plasmoidService, SIGNAL(finished(Plasma::ServiceJob*)),
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this, SLOT(slotJobFinished(Plasma::ServiceJob*)));
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}
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DataEngine *DataEngineConsumerPrivate::remoteDataEngine(const QString &name, const QUrl &location)
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{
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QPair<QString, QString> pair(location.toString(), name);
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#ifndef NDEBUG
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kDebug() << "pair = " << pair;
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#endif
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if (remoteEngines.contains(pair)) {
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#ifndef NDEBUG
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kDebug() << "existing remote dataengine at " << location;
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#endif
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return remoteEngines[pair];
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}
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#ifndef NDEBUG
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kDebug() << "new remote dataengine at " << location;
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#endif
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RemoteDataEngine *engine = new RemoteDataEngine(QUrl());
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remoteEngines[pair] = engine;
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Service *plasmoidService = Service::access(location);
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plasmoidService->setDestination(location.toString());
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engineNameForService[plasmoidService] = name;
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#ifndef NDEBUG
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kDebug() << "name = " << name;
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#endif
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connect(plasmoidService, SIGNAL(serviceReady(Plasma::Service*)),
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this, SLOT(slotServiceReady(Plasma::Service*)));
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return engine;
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}
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DataEngineConsumer::DataEngineConsumer()
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: d(new DataEngineConsumerPrivate)
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{
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}
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DataEngineConsumer::~DataEngineConsumer()
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{
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foreach (const QString &engine, d->loadedEngines) {
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DataEngineManager::self()->unloadEngine(engine);
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}
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delete d;
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}
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DataEngine *DataEngineConsumer::dataEngine(const QString &name, const QUrl &location)
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{
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if (!location.isEmpty()) {
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return d->remoteDataEngine(name, location);
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}
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if (d->loadedEngines.contains(name)) {
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DataEngine *engine = DataEngineManager::self()->engine(name);
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if (engine->isValid()) {
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return engine;
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} else {
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d->loadedEngines.remove(name);
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}
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}
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DataEngine *engine = DataEngineManager::self()->loadEngine(name);
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if (engine->isValid()) {
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d->loadedEngines.insert(name);
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}
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return engine;
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}
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} // namespace Plasma
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#include "private/moc_dataengineconsumer_p.cpp"
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