/**************************************************************************
**
** This file is part of Qt SDK**
**
** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).*
**
** Contact:  Nokia Corporation qt-info@nokia.com**
**
** GNU Lesser General Public License Usage
**
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this file.
** Please review the following information to ensure the GNU Lesser General
** Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception version
** 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you are unsure which license is appropriate for your use, please contact
** (qt-info@nokia.com).
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**************************************************************************/
#ifndef DOWNLOADARCHIVESJOB_H
#define DOWNLOADARCHIVESJOB_H

#include <KDToolsCore/KDJob>

#include <QPair>
#include <QStringList>

namespace KDUpdater 
{
    class FileDownloader;
}

class QTimer;

namespace QInstaller 
{

class MessageBoxHandler;
class Installer;

class DownloadArchivesJob : public KDJob
{
    Q_OBJECT
public:
    enum Error 
    {
        InvalidUrl = KDJob::UserDefinedError,
        Timeout,
        DownloadError
    };

    explicit DownloadArchivesJob(const QByteArray& publicKey, Installer* parent = 0 );
    ~DownloadArchivesJob();

    void setArchivesToDownload( const QList< QPair< QString, QString > >& archives );

Q_SIGNALS:
    void progressChanged( double progress );
    void outputTextChanged( const QString& progress );

protected:
    void doStart();
    void doCancel();
    void timerEvent(QTimerEvent *event);

protected Q_SLOTS:
    void registerFile();
    void downloadCanceled();
    void downloadFailed( const QString& error );
    void finishWithError( const QString& error );
    void fetchNextArchive();
    void fetchNextArchiveHash();
    void finishedHashDownload();
    void emitDownloadProgress( double progress );

private:
    bool cancelled;
    QList< QPair< QString, QString > > archives;
    const QByteArray publicKey;
    KDUpdater::FileDownloader* downloader;
    QStringList temporaryFiles;
    int filesToDownload;
    int filesDownloaded;
    Installer* parent;
    QByteArray currentHash;
    double lastFileProgress;
    int progressChangedTimerId;
};

}

#endif