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#ifndef QNETWORKSESSION_IMPL_H

#define QNETWORKSESSION_IMPL_H

//

//  W A R N I N G

//  -------------

//

// This file is not part of the Qt API.  It exists purely as an

// implementation detail.  This header file may change from version to

// version without notice, or even be removed.

//

// We mean it.

//

#include <QtNetwork/private/qnetworksession_p.h>

#include <QDateTime>

#include <e32base.h>

#include <commdbconnpref.h>

#include <es_sock.h>

#include <rconnmon.h>

#ifdef SNAP_FUNCTIONALITY_AVAILABLE

    #include <comms-infras/cs_mobility_apiext.h>

#endif

QT_BEGIN_NAMESPACE

class ConnectionProgressNotifier;

class SymbianEngine;

typedef void (*TOpenCUnSetdefaultifFunction)();

class QNetworkSessionPrivateImpl : public QNetworkSessionPrivate, public CActive

#ifdef SNAP_FUNCTIONALITY_AVAILABLE

                                 , public MMobilityProtocolResp

#endif

{

    Q_OBJECT

public:

    QNetworkSessionPrivateImpl(SymbianEngine *engine);

    ~QNetworkSessionPrivateImpl();

    //called by QNetworkSession constructor and ensures

    //that the state is immediately updated (w/o actually opening

    //a session). Also this function should take care of 

    //notification hooks to discover future state changes.

    void syncStateWithInterface();

#ifndef QT_NO_NETWORKINTERFACE

    QNetworkInterface currentInterface() const;

#endif

    QVariant sessionProperty(const QString& key) const;

    void setSessionProperty(const QString& key, const QVariant& value);

    void setALREnabled(bool enabled);

    void open();

    inline void close() { close(true); }

    void close(bool allowSignals);

    void stop();

    void migrate();

    void accept();

    void ignore();

    void reject();

    QString errorString() const; //must return translated string

    QNetworkSession::SessionError error() const;

    quint64 bytesWritten() const;

    quint64 bytesReceived() const;

    quint64 activeTime() const;

#ifdef SNAP_FUNCTIONALITY_AVAILABLE    

public: // From MMobilityProtocolResp

    void PreferredCarrierAvailable(TAccessPointInfo aOldAPInfo,

                                   TAccessPointInfo aNewAPInfo,

                                   TBool aIsUpgrade,

                                   TBool aIsSeamless);

    void NewCarrierActive(TAccessPointInfo aNewAPInfo, TBool aIsSeamless);

    void Error(TInt aError);

#endif    

protected: // From CActive

    void RunL();

    void DoCancel();

private Q_SLOTS:

    void configurationRemoved(QNetworkConfigurationPrivatePointer config);

private:

    TUint iapClientCount(TUint aIAPId) const;

    quint64 transferredData(TUint dataType) const;

    bool newState(QNetworkSession::State newState, TUint accessPointId = 0);

    void handleSymbianConnectionStatusChange(TInt aConnectionStatus, TInt aError, TUint accessPointId = 0);

    QNetworkConfiguration bestConfigFromSNAP(const QNetworkConfiguration& snapConfig) const;

    QNetworkConfiguration activeConfiguration(TUint32 iapId = 0) const;

#ifndef QT_NO_NETWORKINTERFACE

    QNetworkInterface interface(TUint iapId) const;

#endif

private: // data

    SymbianEngine *engine;

#ifndef QT_NO_NETWORKINTERFACE

    mutable QNetworkInterface activeInterface;

#endif

    QDateTime startTime;

    RLibrary iOpenCLibrary;

    TOpenCUnSetdefaultifFunction iDynamicUnSetdefaultif;

    mutable RSocketServ iSocketServ;

    mutable RConnection iConnection;

    mutable RConnectionMonitor iConnectionMonitor;

    ConnectionProgressNotifier* ipConnectionNotifier;

    bool iHandleStateNotificationsFromManager;

    bool iFirstSync;

    bool iStoppedByUser;

    bool iClosedByUser;

#ifdef SNAP_FUNCTIONALITY_AVAILABLE    

    CActiveCommsMobilityApiExt* iMobility;

#endif    

    QNetworkSession::SessionError iError;

    TInt iALREnabled;

    TBool iALRUpgradingConnection;

    TBool iConnectInBackground;

    QList<QString> iKnownConfigsBeforeConnectionStart;

    TUint32 iOldRoamingIap;

    TUint32 iNewRoamingIap;

    bool isOpening;

    friend class ConnectionProgressNotifier;

};

class ConnectionProgressNotifier : public CActive

{

public:

    ConnectionProgressNotifier(QNetworkSessionPrivateImpl &owner, RConnection &connection);

    ~ConnectionProgressNotifier();

    void StartNotifications();

    void StopNotifications();

protected: // From CActive

    void RunL();

    void DoCancel();

private: // Data

    QNetworkSessionPrivateImpl &iOwner;

    RConnection& iConnection;

    TNifProgressBuf iProgress;

};

QT_END_NAMESPACE

#endif //QNETWORKSESSION_IMPL_H