and the files ^^

1 files changed, 81 insertions, 0 deletions

diff --git a/src/downloadmanager.h b/src/downloadmanager.h
new file mode 100644
index 0000000..0cc1a35
--- /dev/null
+++ b/src/downloadmanager.h
@@ -0,0 +1,81 @@
+/*
+# 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