FileMonitor.h

#ifndef FILEMONITOR_H
#define FILEMONITOR_H
#include <QObject>
#include <QSet>
class QMutex;
class FileMonitor : public QObject {
    Q_OBJECT
    static constexpr const int MONIT_INTV = 2000;
 
public:
    explicit FileMonitor(const QString& path, QObject* parent = nullptr);
    void setMonitorDirent(const QString& newPath);
    QString monitorDirent() const;
    void setMonitorScanInterval(const int interval);
    int monitorScanInterval() const;
 
    void setMonitoringState(bool st);
    bool monitoringState() const;
 
signals:
    void newFiles(const QStringList& files);
    void deletedFiles(const QStringList& files);
    void monitoringChanged(const QString& path);
    void monitoringIntervalChanged(const int new_interval);
    void monitoringStateChanged(const bool new_state);
 
private slots:
    void processCompareSession();
 
private:
    QString monitoring_folder;
    QTimer* timer_scan;
    QSet<QString> scanFiles() const;
    QSet<QString> prevFiles;
    std::shared_ptr<QMutex> mutex;
};
 
#endif // FILEMONITOR_H