FileMonitor.h

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#ifndef FILEMONITOR_H
#define FILEMONITOR_H
 
#include <QObject> // Base class for FileMonitor, enabling signals/slots
#include <QSet> // For storing sets of file paths for comparison
#include <memory> // Required for std::shared_ptr
 
// Forward declarations to avoid heavy includes
class QMutex;
class QTimer; // Required for the timer_scan member
 
class FileMonitor : public QObject {
    Q_OBJECT
 
    static constexpr const int MONIT_INTV = 2000; // 2000 milliseconds = 2 seconds
 
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