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#ifndef NetworkConnectionMonitor_h
#define NetworkConnectionMonitor_h
/******************************************************************************
*
* Copyright (C) 2002 Hugo PEREIRA <mailto: hugo.pereira@free.fr>
*
* This 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 2 of the License, or (at your option) any later
* version.
*
* This software 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/>.
*
*******************************************************************************/
#include "Counter.h"
#include <QBasicTimer>
#include <QObject>
#include <QSet>
#include <QTimerEvent>
namespace Network
{
class ConnectionMonitor: public QObject, private Base::Counter<ConnectionMonitor>
{
Q_OBJECT
public:
//* constructor
explicit ConnectionMonitor( QObject* = nullptr );
//*@name accessors
//@{
enum class DeviceType
{
All,
Connected
};
//* list of connected devices
using DeviceSet = QSet<QString>;
static DeviceSet connectedDevices()
{ return devices( DeviceType::Connected ); }
//* list of devices
static DeviceSet devices( DeviceType = DeviceType::All );
//@}
//*@name modifiers
//@{
//* enable
void setEnabled( bool );
//* time out
void setTimeOut( int );
//* check whether current device is active and select one if not
void checkDevice();
//@}
Q_SIGNALS:
//* emmitted when a device is connected
void deviceConnected( QString );
protected:
//* timer event
void timerEvent( QTimerEvent* ) override;
private:
//* enabled state
bool enabled_ = false;
//* timeOut (seconds)
int timeOut_ = 10;
//* device timer
QBasicTimer deviceTimer_;
//* connected device
QString device_;
};
}
#endif
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