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#ifndef QNETWORKSESSIONPRIVATE_H
#define QNETWORKSESSIONPRIVATE_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 "qnetworksession.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
#ifdef OCC_FUNCTIONALITY_AVAILABLE
    #include <extendedconnpref.h>
#endif

QTM_BEGIN_NAMESPACE

class ConnectionProgressNotifier;

class QNetworkSessionPrivate : public QObject, public CActive,
#ifdef SNAP_FUNCTIONALITY_AVAILABLE
                               public MMobilityProtocolResp,
#endif
                               public MConnectionMonitorObserver
{
    Q_OBJECT
public:
    QNetworkSessionPrivate(); 
    ~QNetworkSessionPrivate();
    
    //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();

    QNetworkInterface currentInterface() const;
    QVariant sessionProperty(const QString& key) const;
    void setSessionProperty(const QString& key, const QVariant& value);
    
    void setALREnabled(bool enabled);

    void open();
    void close(bool allowSignals = true);
    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    

Q_SIGNALS:
    //releases any pending waitForOpened() calls
    void quitPendingWaitsForOpened();
    
protected: // From CActive
    void RunL();
    void DoCancel();
    
private: // MConnectionMonitorObserver
    void EventL(const CConnMonEventBase& aEvent);
    
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;
    QNetworkInterface interface(TUint iapId) const;

private: // data
    // The config set on QNetworkSession
    mutable QNetworkConfiguration publicConfig;

    // If publicConfig is a ServiceNetwork this is a copy of publicConfig.
    // If publicConfig is an UserChoice that is resolved to a ServiceNetwork this is the actual
    // ServiceNetwork configuration.
    mutable QNetworkConfiguration serviceConfig;

    // This is the actual active configuration currently in use by the session.
    // Either a copy of publicConfig or one of serviceConfig.children().
    mutable QNetworkConfiguration activeConfig;
    
    mutable QNetworkInterface activeInterface;

    QNetworkSession::State state;
    bool isOpen;

    QNetworkSession* q;
    QDateTime startTime;

    mutable RSocketServ iSocketServ;
    mutable RConnection iConnection;
    mutable RConnectionMonitor iConnectionMonitor;
    ConnectionProgressNotifier* ipConnectionNotifier;
#ifdef SNAP_FUNCTIONALITY_AVAILABLE    
    CActiveCommsMobilityApiExt* iMobility;
#endif    
    
    QNetworkSession::SessionError iError;
    TInt iALREnabled;
    TBool iALRUpgradingConnection;
    TBool iConnectInBackground;
    
    QList<QString> iKnownConfigsBeforeConnectionStart;
    
    TUint32 iOldRoamingIap;
    TUint32 iNewRoamingIap;

    friend class QNetworkSession;
    friend class ConnectionProgressNotifier;
};

class ConnectionProgressNotifier : public CActive
{
public:
    ConnectionProgressNotifier(QNetworkSessionPrivate& owner, RConnection& connection); 
    ~ConnectionProgressNotifier();
    
    void StartNotifications();
    void StopNotifications();
    
protected: // From CActive
    void RunL();
    void DoCancel();

private: // Data
    QNetworkSessionPrivate& iOwner;
    RConnection& iConnection;
    TNifProgressBuf iProgress;
    
};

QTM_END_NAMESPACE

#endif //QNETWORKSESSIONPRIVATE_H