/****************************************************************************

**

** Copyright (C) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).

** All rights reserved.

** Contact: Nokia Corporation (developer.feedback@nokia.com)

**

** This file is part of the HbCore module of the UI Extensions for Mobile.

**

** 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 have questions regarding the use of this file, please contact

** Nokia at developer.feedback@nokia.com.

**

****************************************************************************/

#ifndef HBSYSTEMINFOSYM_P_P_H

#define HBSYSTEMINFOSYM_P_P_H

#include <e32base.h>

#include <e32property.h>

#include "hbsysteminfo_p.h"

struct DeviceSystemInfo 

{

    inline DeviceSystemInfo() :

        networkMode(QSystemNetworkInfo::UnknownMode),

        signalStrength(0),

        batteryLevel(0),

        powerState(QSystemDeviceInfo::UnknownPower) {}

    QSystemNetworkInfo::NetworkMode networkMode;

    int signalStrength;

    int batteryLevel;

    QSystemDeviceInfo::PowerState powerState;    

};

inline QDataStream& operator << (QDataStream &outStream,

                                 const DeviceSystemInfo &obj)

{

    outStream << obj.networkMode;

    outStream << obj.signalStrength;

    outStream << obj.powerState;

    outStream << obj.batteryLevel;

    return outStream;

}

inline QDataStream& operator >> (QDataStream &inStream,

        DeviceSystemInfo &obj)

{

    int temp;

    inStream >> temp;

    obj.networkMode = (QSystemNetworkInfo::NetworkMode)temp;

    inStream >> obj.signalStrength;

    inStream >> temp;

    obj.powerState= (QSystemDeviceInfo::PowerState)temp;

    inStream >> obj.batteryLevel;

    return inStream;

}

class HbSystemInfoPrivate : public QObject,

                            public CActive

{

    Q_OBJECT

public:

    HbSystemInfoPrivate();

    virtual ~HbSystemInfoPrivate();

    void init(bool writer);

public:

    void start();

    void readDeviceInfo();

    void writeDeviceInfo();

    void dataReceived(const DeviceSystemInfo& info);

    bool eventFilter(QObject *obj, QEvent *event);

public:

    int networkSignalStrength() const;

    QSystemNetworkInfo::NetworkMode networkMode() const;

    int batteryLevel() const;

    QSystemDeviceInfo::PowerState powerState() const;

protected:

    virtual void DoCancel();

    virtual void RunL();    

public slots:

    void setNetworkSignalStrength(QSystemNetworkInfo::NetworkMode, int);

    void setNetworkMode(QSystemNetworkInfo::NetworkMode);

    void setBatteryLevel(int);

    void setPowerState(QSystemDeviceInfo::PowerState);

    void lostForeground();

    void gainedForeground();

public:

    DeviceSystemInfo mDeviceSystemInfo;

    Q_DECLARE_PUBLIC(HbSystemInfo)

private:

    QSystemNetworkInfo *mSystemNetworkInfo;

    QSystemDeviceInfo *mSystemDeviceInfo;

    RProperty mInfoProperty;

    HBufC8 *mDataBuffer;

    TPtr8 mPtr; 

    HbSystemInfo *q_ptr; 

    bool mWriter;

    bool mListening;

    HbForegroundWatcher *mWatcher;

};

#endif // HBSYSTEMINFOSYM_P_P_H