/**

   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 BACKGROUNDDOWNLOADMANAGER_H

#define BACKGROUNDDOWNLOADMANAGER_H

#include "dmcommon.h"

#include "dmpimpl.h"

#include <QObject>

// forward declarations

class DownloadManager;

class Download;

class DownloadManagerClient;

class BackgroundDownloadManagerPrivate;

// class declaration

class BackgroundDownloadManager : public QObject

{

    Q_OBJECT

    DM_DECLARE_PRIVATE(BackgroundDownloadManager); // private implementation

public:

    BackgroundDownloadManager(DownloadManager* downloadMgr);

    virtual ~BackgroundDownloadManager();

    // to initialise all the downloads which belongs to last

    // download manager session

    void init();

    // creates new download by passing url

    Download* createDownload(const QString& url, DownloadType type = Parallel);

    // creates new download by reading from persistant download information

    Download* createDownload(int dlId);

    // sets the proxy

    void setProxy(const QString& proxyServer, int port);

    // sets download manager attributes

    int setAttribute(DownloadManagerAttribute attr, const QVariant& value);

    // fetches download manager attributes

    QVariant getAttribute(DownloadManagerAttribute attr);

    // returns all the current downloads

    QList<Download*>& currentDownloads();

    // finds a download provided id if exists

    Download* findDownload(int dlId);

    // cancels all the downloads and removes from the list

    void removeAll();

    // cancels and removes the download from list

    void removeOne(Download *dl);

    // pauses all the downloads which are in progress

    void pauseAll();

    // resumes all the downloads which are paused

    void resumeAll();

    // returns download manager client object

    DownloadManagerClient* downloadManagerClient();

};

#endif