/*
  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
  2 of the License, or (at your option) any later version.
*/

#ifndef SMDIRWATCHER_H
#define SMDIRWATCHER_H

#include <QThread>
#include <QVariant>
#include <QSqlDatabase>
#include <QSqlQuery>

class SmTreeItem;

class SmDirWatcher : public QThread {
    Q_OBJECT
    public:
        enum DWEvent { None, Added, Deleted, Modified, Populate, CloseWrite };
        explicit SmDirWatcher(int numFields, QObject *parent = 0);
    
    signals:
        void dwEvent(const QString& file, int event);
        void setMd5Sum(QString path, QString md5);
        void setFfmpeg(QString path, QVariantMap data);
        void setPicSize(QString path, QVariant size);
        void needRefresh();
        void population(SmTreeItem*);
        void newData(const QList<QVariant>,int);
    
    public slots:
        void run();
        void stop();
        void setDir(const QString &dir, bool progress = true);
        void setExpensiveOps(bool expensiveOps);

    private:
        QList<QVariant> generalData(const QString &path);
        int presenceData(QString &md5);
        int mFd;
        int mDescr;
        QString mCurrent;
        char *mINdata;
        int mBufLen;
        int mNumFields;
        bool mExpensiveOps;
        QSqlDatabase mDb;
};

#endif // SMDIRWATCHER_H