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****************************************************************************/

#ifndef QNETWORKSESSION_H

#define QNETWORKSESSION_H

#include "qmobilityglobal.h"

#include <QtCore/qobject.h>

#include <QtCore/qshareddata.h>

#include <QtCore/qstring.h>

#include <QtNetwork/qnetworkinterface.h>

#include <QtCore/qvariant.h>

#include "qnetworkconfiguration.h"

QT_BEGIN_HEADER

QTM_BEGIN_NAMESPACE

class QNetworkSessionPrivate;

class Q_BEARER_EXPORT QNetworkSession : public QObject

{

    Q_OBJECT

public:

    enum State {

        Invalid = 0,

        NotAvailable,

        Connecting,

        Connected,

        Closing,

        Disconnected,

        Roaming

    };

    enum SessionError {

        UnknownSessionError = 0,

        SessionAbortedError,

        RoamingError,

        OperationNotSupportedError,

        InvalidConfigurationError

    };

    explicit QNetworkSession(const QNetworkConfiguration& connConfig, QObject* parent =0);

    virtual ~QNetworkSession();

    bool isOpen() const;

    QNetworkConfiguration configuration() const;

    QNetworkInterface interface() const;

    State state() const;

    SessionError error() const;

    QString errorString() const;

    QVariant sessionProperty(const QString& key) const;

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

    quint64 bytesWritten() const;

    quint64 bytesReceived() const;

    quint64 activeTime() const;

    bool waitForOpened(int msecs = 30000);

public Q_SLOTS:

    void open();

    void close();

    void stop();

    //roaming related slots

    void migrate();

    void ignore();

    void accept();

    void reject();

Q_SIGNALS:

    void stateChanged(QNetworkSession::State);

    void opened();

    void closed();

    void error(QNetworkSession::SessionError);

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

    void newConfigurationActivated();

protected:

    virtual void connectNotify(const char *signal);

    virtual void disconnectNotify(const char *signal);

private:

    QNetworkSessionPrivate* d;

    friend class QNetworkSessionPrivate;

    };

QTM_END_NAMESPACE

QT_END_HEADER

#endif //QNETWORKSESSION_H