plasma-framework/private/dataengineconsumer_p.h

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/*
* 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.
*/
#ifndef PLASMA_DATAENGINECONSUMER_H
#define PLASMA_DATAENGINECONSUMER_H
#include <QtCore/QStringList>
#include "plasma/dataenginemanager.h"
namespace Plasma
{
class DataEngineConsumer
{
public:
~DataEngineConsumer()
{
foreach (const QString &engine, m_loadedEngines) {
DataEngineManager::self()->unloadEngine(engine);
}
}
DataEngine *dataEngine(const QString &name)
{
int index = m_loadedEngines.indexOf(name);
if (index != -1) {
return DataEngineManager::self()->engine(name);
}
DataEngine *engine = DataEngineManager::self()->loadEngine(name);
if (engine->isValid()) {
m_loadedEngines.append(name);
}
return engine;
}
private:
QStringList m_loadedEngines;
};
} // namespace Plasma
#endif