{

QUrl url;

QString description;

QNetworkReply* reply;

bool operator ==(const Download& other);

{

Q_OBJECT

int lastLength;

QTimer timer;

QList<Download> downloadQueue;

QNetworkAccessManager* manager;

QMap<QNetworkReply*,QUrl> replyUrlMap;

QMap<QUrl,QUrl> redirectMapping;

int maxConnections;

int numConnections;

QList<Download> currentDownloads;

void continueQueue();

void printProgress();

QUrl getUnredirectedUrl(QUrl url);

int getDownloadIndexByReply(QNetworkReply *reply);

explicit Downloader(QObject *parent = 0);

void load(const QUrl& url, const QString& description);

int getMaxConnections() const;

void setMaxConnections(int value);

void abort(const QUrl& url);

signals:

void downloadSuccess(const QUrl& url, const QByteArray& data);

void downloadFailed(const QUrl& url, QNetworkReply::NetworkError error);

void queueEmpty();

private slots:

void downloadFinished(QNetworkReply* reply);