downloadmanager.h Example File

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 #ifndef DOWNLOADMANAGER_H
 #define DOWNLOADMANAGER_H

 #include <QFile>
 #include <QObject>
 #include <QQueue>
 #include <QTime>
 #include <QUrl>
 #include <QNetworkAccessManager>

 #include "textprogressbar.h"

 class DownloadManager: public QObject
 {
     Q_OBJECT
 public:
     DownloadManager(QObject *parent = 0);

     void append(const QUrl &url);
     void append(const QStringList &urlList);
     QString saveFileName(const QUrl &url);

 signals:
     void finished();

 private slots:
     void startNextDownload();
     void downloadProgress(qint64 bytesReceived, qint64 bytesTotal);
     void downloadFinished();
     void downloadReadyRead();

 private:
     QNetworkAccessManager manager;
     QQueue<QUrl> downloadQueue;
     QNetworkReply *currentDownload;
     QFile output;
     QTime downloadTime;
     TextProgressBar progressBar;

     int downloadedCount;
     int totalCount;
 };

 #endif