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/*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, 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 General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef UBABSTRACTVOTINGSYSTEM_H_
#define UBABSTRACTVOTINGSYSTEM_H_
#include <QtCore>
#include "core/UBApplication.h"
class UBAbstractVotingSystem : public QObject
{
Q_OBJECT;
Q_PROPERTY(QString lastError READ lastError);
public:
UBAbstractVotingSystem(QObject *parent = 0);
virtual ~UBAbstractVotingSystem();
virtual bool connectToVotingSystem() = 0;
virtual bool startPolling() = 0;
virtual bool stopPolling() = 0;
virtual bool disconnectFromVotingSystem() = 0;
virtual QMap<int, int> votingState() = 0;
QString lastError() const
{
return mLastError;
}
signals:
void voteReceived(int keypadID, int value);
void errorReceived(const QString& error);
protected:
void setLastError(QString pLastError);
private:
QString mLastError;
};
class UBVotingSystemFactory : public QObject
{
private:
UBVotingSystemFactory()
{
// NOOP
}
~UBVotingSystemFactory()
{
// NOOP
}
public:
static UBAbstractVotingSystem* createVotingSystem();
};
#endif /* UBABSTRACTVOTINGSYSTEM_H_ */