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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 for the convenience
// of the QLibrary class.  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 <QtNetwork/qnetworkconfigmanager.h>

#include <QtCore/qdatetime.h>

#include <icd/dbus_api.h>

QT_BEGIN_NAMESPACE

class QIcdEngine;

class QNetworkSessionPrivateImpl : public QNetworkSessionPrivate
{
    Q_OBJECT

public:
    QNetworkSessionPrivateImpl(QIcdEngine *engine)
    :   engine(engine), connectFlags(ICD_CONNECTION_FLAG_USER_EVENT), currentState(QNetworkSession::Invalid)
    {
    }

    ~QNetworkSessionPrivateImpl()
    {
        cleanupSession();
    }

    //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 open();
    void close();
    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;

private:
    void updateStateFromServiceNetwork();
    void updateStateFromActiveConfig();

private Q_SLOTS:
    void do_open();
    void networkConfigurationsChanged();
    void configurationChanged(const QNetworkConfiguration &config);
    void updateProxies(QNetworkSession::State newState);

private:
    QNetworkConfigurationManager manager;
    QIcdEngine *engine;

    QNetworkConfiguration& copyConfig(QNetworkConfiguration &fromConfig, QNetworkConfiguration &toConfig, bool deepCopy = true);
    void clearConfiguration(QNetworkConfiguration &config);
    void cleanupAnyConfiguration();

    bool opened;
    icd_connection_flags connectFlags;

    QNetworkSession::SessionError lastError;

    QDateTime startTime;
    QString currentNetworkInterface;
    friend class IcdListener;
    void updateState(QNetworkSession::State);
    void updateIdentifier(QString &newId);
    quint64 getStatistics(bool sent) const;
    void cleanupSession(void);

    void updateProxyInformation();
    void clearProxyInformation();
    QNetworkSession::State currentState;
};

QT_END_NAMESPACE

#endif //QNETWORKSESSIONPRIVATE_H