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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 "qnetworkconfiguration_p.h"

#ifndef QT_NO_BEARERMANAGEMENT

QT_BEGIN_NAMESPACE

class Q_NETWORK_EXPORT QNetworkSessionPrivate : public QObject

{

    Q_OBJECT

    friend class QNetworkSession;

public:

    QNetworkSessionPrivate()

    :   state(QNetworkSession::Invalid), isOpen(false)

    {

    }

    virtual ~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.

    virtual void syncStateWithInterface() = 0;

#ifndef QT_NO_NETWORKINTERFACE

    virtual QNetworkInterface currentInterface() const = 0;

#endif

    virtual QVariant sessionProperty(const QString& key) const = 0;

    virtual void setSessionProperty(const QString& key, const QVariant& value) = 0;

    virtual void open() = 0;

    virtual void close() = 0;

    virtual void stop() = 0;

    virtual void setALREnabled(bool /*enabled*/) { }

    virtual void migrate() = 0;

    virtual void accept() = 0;

    virtual void ignore() = 0;

    virtual void reject() = 0;

    virtual QString errorString() const = 0; //must return translated string

    virtual QNetworkSession::SessionError error() const = 0;

    virtual quint64 bytesWritten() const = 0;

    virtual quint64 bytesReceived() const = 0;

    virtual quint64 activeTime() const = 0;

protected:

    inline QNetworkConfigurationPrivatePointer privateConfiguration(const QNetworkConfiguration &config) const

    {

        return config.d;

    }

    inline void setPrivateConfiguration(QNetworkConfiguration &config,

                                        QNetworkConfigurationPrivatePointer ptr) const

    {

        config.d = ptr;

    }

Q_SIGNALS:

    //releases any pending waitForOpened() calls

    void quitPendingWaitsForOpened();

    void error(QNetworkSession::SessionError error);

    void stateChanged(QNetworkSession::State state);

    void closed();

    void newConfigurationActivated();

    void preferredConfigurationChanged(const QNetworkConfiguration &config, bool isSeamless);

protected:

    QNetworkSession *q;

    // The config set on QNetworkSession.

    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.

    QNetworkConfiguration serviceConfig;

    // This is the actual active configuration currently in use by the session.

    // Either a copy of publicConfig or one of serviceConfig.children().

    QNetworkConfiguration activeConfig;

    QNetworkSession::State state;

    bool isOpen;

};

QT_END_NAMESPACE

#endif // QT_NO_BEARERMANAGEMENT

#endif //QNETWORKSESSIONPRIVATE_H