#ifndef SPIDER_H#define SPIDER_H#include <QFtp>#include <QStringList>class QFile;class Spider : public QObject{    Q_OBJECTpublic:    Spider(QObject *parent = 0);    bool getDirectory(const QUrl &url);signals:    void done();private slots:    void ftpDone(bool error);    void ftpListInfo(const QUrlInfo &urlInfo);private:    void processNextDirectory();    QFtp ftp;    QList<QFile *> openedFiles;    QString currentDir;    QString currentLocalDir;    QStringList pendingDirs;};#endif