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-/*
-# Copyright (c) 2010,2011 - RZ Uni Freiburg
-# Copyright (c) 2010,2011 - OpenSLX Project
-#
-# This program/file is free software distributed under the GPL version 2.
-# See http://openslx.org/COPYING
-#
-# If you have any feedback please consult http://openslx.org/feedback and
-# send your feedback to feedback@openslx.org
-#
-# General information about OpenSLX can be found under http://openslx.org
-#
-#
-# Helper class managing downloads.
-#
-*/
-
-#ifndef DOWNLOADMANAGER_H
-#define DOWNLOADMANAGER_H
-
-#include "fbgui.h"
-
-extern bool debug;
-extern QUrl baseURL;
-extern QString binPath;
-extern QString downloadPath;
-extern int updateInterval;
-
-
-class downloadManager : public QObject
-{
- Q_OBJECT
-
-public:
- downloadManager();
-
-private:
- // checks for valid download directory, ran once in constructor
- void checkDownloadDirectory();
- // private control function for queueing mechanism.
- void processDownloadRequest(const QUrl& url);
-
- // base objects for downloading
- QNetworkAccessManager* qnam;
- QQueue<QUrl> dlQ;
- QNetworkReply* currentDownload;
- QFile outfile;
- QDir downloadDir;
- // download progress variables
- QTime dltime;
- int currentProgress, lastProgress;
- // download in progress flag
- bool dip;
- // static counter
- static int downloaded;
-
-signals:
- // notify sends a message to the javascript interface.
- void notify(const QString& msg);
- // downloadInfo sends static information (name, size) to the interface.
- void downloadInfo(const QString& filename, const double& filesize);
- // updateProgress sends download progress information to the interface.
- void updateProgress(const int& percent, const double& speed, const QString& unit);
- // signal emitted when download queue is empty.
- void downloadQueueEmpty();
-
-public slots:
- // public slots to receive download requests.
- void downloadFile(const QUrl& fileUrl);
- void downloadFile(const QString& fileUrl);
-
-private slots:
- // private slots to manage the downloading process
- void startNextDownload();
- void processMetaInfo();
- void downloadReady();
- void downloadProgress(qint64 bytesIn, qint64 bytesTotal);
- void downloadFinished();
-};
-
-#endif // DOWNLOADMANAGER_H