/**

   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 DOWNLOADMANAGERCLIENT_H

#define DOWNLOADMANAGERCLIENT_H

#include <QObject>

#include "downloadmanager.h"

#include "dmcommoninternal.h"

#include "dmpimpl.h"

class DownloadManagerClientPrivate;

class DownloadManagerClient : public QObject

{

    Q_OBJECT

    DM_DECLARE_PRIVATE(DownloadManagerClient);

public:

    DownloadManagerClient(DownloadManager* downloadManager);

    ~DownloadManagerClient();

    // low-level implementation of functions present in BackgroundDownloadManager class

    void setStartupInfo();

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

    int createDownload(const QString& url, DownloadType type);

    bool attachToDownload(int dlId);

    void removeDownload(int downloadId);

    void pauseAll();

    void resumeAll();

    void removeAll();

    QVariant getDownloadManagerAttribute(DownloadManagerAttribute attr);

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

    // low-level implementation of functions present in BackgroundDownload class

    int startDownload(int dlId);

    int pauseDownload(int dlId);

    int resumeDownload(int dlId);

    int cancelDownload(int dlId);

    QVariant getDownloadAttribute(int dlId, DownloadAttribute attr);

    int setDownloadAttribute(int dlId, DownloadAttribute attr, const QVariant& value);

    // server error functions

    int serverError();

private:

    // start server if required and connect to it; set proxy info in server

    bool initServer();

    // connect to download manager server

    bool connectToServer();

    // process Download and DownloadManager events

    void processEvents(QString eventMsg);

    // encodes the strings (client name, url, etc) so that it does not contain

    // message delimiter (DM_DELIMITER)

    QString encodeString(const QString& inputString);

private slots:

    // poll server for events

    void getEvents();

    // set server IPC error

    void setServerError(int );

};

#endif