/**

   This file is part of CWRT package **

   Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). **

   This program is free software: you can redistribute it and/or modify

   it under the terms of the GNU (Lesser) General Public License as 

   published by the Free Software Foundation, version 2.1 of the License. 

   This program is distributed in the hope that it will be useful, but

   WITHOUT ANY WARRANTY; without even the implied warranty of 

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 

   (Lesser) General Public License for more details. You should have 

   received a copy of the GNU (Lesser) General Public License along 

   with this program. If not, see <http://www.gnu.org/licenses/>.

*/

#ifndef DOWNLOAD_H

#define DOWNLOAD_H

#include "dmcommon.h"

#include "downloadevent.h"

#include <QObject>

class DownloadManager;

class QNetworkReply;

class DownloadInfo;

class DownloadPrivate;

typedef QList<QObject*> EventReceiverList; 

// class declaration

class Download : public QObject

{

    Q_OBJECT

public:

    virtual ~Download() {};

    // starts the download

     virtual int start() = 0;

    // id of the download

     virtual int id() = 0;

    // sets the attributes for the download

     virtual int setAttribute(DownloadAttribute attr, const QVariant& value) = 0;

    // fetches the attributes of download

     virtual QVariant getAttribute(DownloadAttribute attr) = 0;

    // pauses the download

     virtual int pause() = 0;

    // resumes the download

     virtual int resume() = 0;

    // cancels the download

     virtual int cancel() = 0;

    // registers the event listener

     virtual void registerEventReceiver(QObject *receiver) = 0;

    // unregisters the event listener

     virtual void unregisterEventReceiver(QObject *receiver) = 0;

    // returns the download manager

     virtual DownloadManager *downloadManager() = 0;

    // returns the list of child downloads

     virtual void getChildren(QList<Download*>& list) = 0;

};

#endif