qca_safetimer.h

/*
 * qca_safetimer.h - Qt Cryptographic Architecture
 * Copyright (C) 2014  Ivan Romanov <drizt@land.ru>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301  USA
 *
 */
 
#ifndef QCA_SAFETIMER_H
#define QCA_SAFETIMER_H
 
#include "qca_export.h"
#include <QObject>
 
class QEvent;
class QTimerEvent;
 
namespace QCA {
 
class QCA_EXPORT SafeTimer : public QObject
{
    Q_OBJECT
public:
    SafeTimer(QObject *parent = nullptr);
    ~SafeTimer() override;
 
    int  interval() const;
    bool isActive() const;
    bool isSingleShot() const;
    void setInterval(int msec);
    void setSingleShot(bool singleShot);
    int  timerId() const;
 
public Q_SLOTS:
    void start(int msec);
    void start();
    void stop();
 
Q_SIGNALS:
    void timeout();
 
protected:
    bool event(QEvent *event) override;
    void timerEvent(QTimerEvent *event) override;
 
private:
    // Functions is used internally. Outer world mustn't have access them.
    void startTimer()
    {
    }
    void killTimer(int)
    {
    }
 
    class Private;
    Private *d;
};
 
}
 
#endif // QCA_SAFETIMER_H