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#ifndef DEVICEINFO_H
#define DEVICEINFO_H

#include <e32base.h>
#include <etel3rdparty.h>
#include <QString>
#include <QList>

class CActiveSchedulerWait;

class MTelephonyInfoObserver
{
public:
    virtual void batteryLevelChanged() = 0;

    virtual void countryCodeChanged() = 0;
    virtual void networkCodeChanged() = 0;
    virtual void networkNameChanged() = 0;
    virtual void networkModeChanged() = 0;

    virtual void cellNetworkSignalStrengthChanged() = 0;
    virtual void cellNetworkStatusChanged() = 0;
};

class CTelephonyInfo : public CActive
{
public:
    CTelephonyInfo(CTelephony &telephony);
    ~CTelephonyInfo();

    void addObserver(MTelephonyInfoObserver *observer);
    void removeObserver(MTelephonyInfoObserver *observer);

protected:  //from CActive
    void RunL();

protected:
    void makeRequest();

protected:
    CTelephony &m_telephony;
    QList<MTelephonyInfoObserver *> m_observers;
    CActiveSchedulerWait *m_wait;
};

class CPhoneInfo : public CTelephonyInfo
{
public:
    CPhoneInfo(CTelephony &telephony);

protected:
    void DoCancel();

public:
    QString imei() const;
    QString manufacturer() const;
    QString model() const;

private:
    CTelephony::TPhoneIdV1 m_phoneIdV1;
    CTelephony::TPhoneIdV1Pckg m_phoneIdV1Pckg;

    QString m_imei;
    QString m_manufacturer;
    QString m_model;
};

class CSubscriberInfo : public CTelephonyInfo
{
public:
    CSubscriberInfo(CTelephony &telephony);

protected:
    void DoCancel();

public:
    QString imsi() const;

private:
    CTelephony::TSubscriberIdV1 m_subscriberIdV1;
    CTelephony::TSubscriberIdV1Pckg m_subscriberIdV1Pckg;

    QString m_imsi;
};

class CBatteryInfo : public CTelephonyInfo
{
public:
    CBatteryInfo(CTelephony &telephony);
    void startMonitoring();

protected:
    void RunL();
    void DoCancel();

public:
    int batteryLevel() const;

private:
    bool m_initializing;

    CTelephony::TBatteryInfoV1 m_batteryInfoV1;
    CTelephony::TBatteryInfoV1Pckg m_batteryInfoV1Pckg;
    
    int m_batteryLevel;
    int m_previousBatteryLevel;
};

class CCellNetworkInfo : public CTelephonyInfo
{
public:
    CCellNetworkInfo(CTelephony &telephony);
    void startMonitoring();

protected:
    void RunL();
    void DoCancel();

public:
    int cellId() const;
	int locationAreaCode() const;

    QString countryCode() const;
    QString networkCode() const;
    QString networkName() const;
    CTelephony::TNetworkMode networkMode() const;

private:
    bool m_initializing;

    CTelephony::TNetworkInfoV1Pckg m_networkInfoV1Pckg;
    CTelephony::TNetworkInfoV1 m_networkInfoV1;

    int m_cellId;
    int m_locationAreaCode;

    QString m_networkId;
    QString m_previousNetworkId;

    QString m_countryCode;
    QString m_previousCountryCode;
    
    QString m_networkName;
    QString m_previousNetworkName;
    
    CTelephony::TNetworkMode m_networkMode;
    CTelephony::TNetworkMode m_previousNetworkMode;

};

class CCellNetworkRegistrationInfo : public CTelephonyInfo
{
public:
    CCellNetworkRegistrationInfo(CTelephony &telephony);
    void startMonitoring();

protected:
    void RunL();
    void DoCancel();

public:
    CTelephony::TRegistrationStatus cellNetworkStatus() const;

private:
    bool m_initializing;

    CTelephony::TNetworkRegistrationV1Pckg m_networkRegistrationV1Pckg;
    CTelephony::TNetworkRegistrationV1 m_networkRegistrationV1;

    CTelephony::TRegistrationStatus m_networkStatus;
    CTelephony::TRegistrationStatus m_previousNetworkStatus;
};

class CCellSignalStrengthInfo : public CTelephonyInfo
{
public:
    CCellSignalStrengthInfo(CTelephony &telephony);
    void startMonitoring();

protected:
    void RunL();
    void DoCancel();

public:
    int cellNetworkSignalStrength() const;

private:
    bool m_initializing;

    CTelephony::TSignalStrengthV1Pckg m_signalStrengthV1Pckg;
    CTelephony::TSignalStrengthV1 m_signalStrengthV1;

    int m_cellNetworkSignalStrength;
    int m_previousCellNetworkSignalStrength;

    int m_signalBar;
    int m_previousSignalBar;
};

#endif //DEVICEINFO_H