/*

* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

*

* 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/old-licenses/lgpl-2.1.html/".

*

* Description:

*  This file defines the NetworkDelegate, NetworkImpl and DefaultNetworkImpl classes.

*/

#ifndef NETWORKDELEGATE_H

#define NETWORKDELEGATE_H

#include <QObject>

#include <QString>

#if !defined(QT_MOBILITY_SYSINFO) && defined(QT_MOBILITY_BEARER_MANAGEMENT)

#include "WebNetworkConnectionManagerSingleton.h"

#endif

#ifdef QT_MOBILITY_SYSINFO

#define NETWORKIMPL SystemNetworkImpl

#else

#define NETWORKIMPL DefaultNetworkImpl

#endif // QT_MOBILITY_SYSINFO

namespace GVA {

/*!

  Class to provide device information. It uses QtMobility to provide

  information about battery level, network signal strength, and network name.

*/

class NetworkImpl : public QObject

{

    Q_OBJECT

public:

    NetworkImpl() {};

    virtual ~NetworkImpl() {};

    virtual QString getNetworkName() const = 0;

    virtual int getNetworkSignalStrength() const = 0;

signals:

      // Sent when the network name changes.

    void networkNameChanged(const QString&);

    // Sent when the network signal strength changes.

    void networkSignalStrengthChanged(int);

};

class DefaultNetworkImpl : public NetworkImpl

{

      Q_OBJECT

public:

    DefaultNetworkImpl() 

    {

#if !defined(QT_MOBILITY_SYSINFO) && defined(QT_MOBILITY_BEARER_MANAGEMENT)

     // Get the singleton instance of WebNetworkConnectionManager  

     WRT::WebNetworkConnectionManagerSingleton::Instance().updateConfigurations();

#endif    	

    };

    ~DefaultNetworkImpl() {};

    virtual QString getNetworkName() const { return ""; };

    virtual int getNetworkSignalStrength() const { return 100; };

};

/*!

  Class to provide device information. It uses QtMobility to provide

  information about battery level, network signal strength, and network name.

*/

class NetworkDelegate : public QObject

{

    Q_OBJECT

public:

    NetworkDelegate(NetworkImpl *networkImpl);

    ~NetworkDelegate();

    // properties accessible to javascript snippets

    Q_PROPERTY(int networkSignalStrength READ getNetworkSignalStrength)

    Q_PROPERTY(QString networkName READ getNetworkName)

    QString getNetworkName() const;

    int getNetworkSignalStrength() const;

signals:

      // Sent when the network name changes.

    void networkNameChanged(const QString&);

    // Sent when the network signal strength changes.

    void networkSignalStrengthChanged(int);

private:

      NetworkImpl *m_networkImpl;

};

} // GVA

#endif // NETWORKDELEGATE_H