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

**

** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).

** All rights reserved.

** Contact: Nokia Corporation (qt-info@nokia.com)

**

** This file is part of the Qt Mobility Components.

**

** $QT_BEGIN_LICENSE:LGPL$

** No Commercial Usage

** This file contains pre-release code and may not be distributed.

** You may use this file in accordance with the terms and conditions

** contained in the Technology Preview License Agreement accompanying

** this package.

**

** GNU Lesser General Public License Usage

** Alternatively, this file may be used under the terms of the GNU Lesser

** General Public License version 2.1 as published by the Free Software

** Foundation and appearing in the file LICENSE.LGPL included in the

** packaging of this file.  Please review the following information to

** ensure the GNU Lesser General Public License version 2.1 requirements

** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

**

** In addition, as a special exception, Nokia gives you certain additional

** rights.  These rights are described in the Nokia Qt LGPL Exception

** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

**

** If you have questions regarding the use of this file, please contact

** Nokia at qt-info@nokia.com.

**

**

**

**

**

**

**

**

** $QT_END_LICENSE$

**

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

#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

#if defined(OCC_FUNCTIONALITY_AVAILABLE) && defined(SNAP_FUNCTIONALITY_AVAILABLE)

    #include <extendedconnpref.h>

#endif

QTM_BEGIN_NAMESPACE

class ConnectionProgressNotifier;

typedef void (*TOpenCUnSetdefaultifFunction)();

class QNetworkSessionPrivate : public QObject, public CActive

#ifdef SNAP_FUNCTIONALITY_AVAILABLE

                               , public MMobilityProtocolResp

#endif

{

    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 Q_SLOTS:

    void configurationStateChanged(TUint32 accessPointId, TUint32 connMonId, QNetworkSession::State newState);

    void configurationRemoved(const QNetworkConfiguration& config);

    void configurationAdded(const QNetworkConfiguration& 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;

    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;

    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 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