#ifndef DOWNLOADER_H
#define DOWNLOADER_H

#include <QHash>
#include <QNetworkAccessManager>
#include <QObject>

class QFile;
class QNetworkReply;
class Settings;

// Download di file (libri) con segnali di progresso.
// Supporta più download concorrenti.
class Downloader : public QObject
{
    Q_OBJECT

public:
    explicit Downloader(Settings *settings, QObject *parent = 0);

    Q_INVOKABLE void download(const QString &url, const QString &destPath);

signals:
    void progress(qint64 received, qint64 total, const QString &path);
    void finished(const QString &path, bool ok, const QString &error);

private:
    Settings *m_settings;
    QNetworkAccessManager m_nam;
    QHash<QNetworkReply *, QFile *> m_files;
    QHash<QNetworkReply *, QString> m_paths;
};

#endif // DOWNLOADER_H