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#ifndef SYMBIANENGINE_H
#define SYMBIANENGINE_H

#include <QtCore/qstringlist.h>
#include <QtNetwork/private/qbearerengine_p.h>
#include <QtNetwork/qnetworkconfigmanager.h>

#include <QHash>
#include <rconnmon.h>
#ifdef SNAP_FUNCTIONALITY_AVAILABLE
    #include <cmmanager.h>
#endif

class CCommsDatabase;
class QEventLoop;

QT_BEGIN_NAMESPACE
class QTimer;
QT_END_NAMESPACE

QT_BEGIN_NAMESPACE

class QNetworkSessionPrivate;
class AccessPointsAvailabilityScanner;

class SymbianNetworkConfigurationPrivate : public QNetworkConfigurationPrivate
{
public:
    enum Bearer {
        BearerEthernet,
        BearerWLAN,
        Bearer2G,
        BearerCDMA2000,
        BearerWCDMA,
        BearerHSPA,
        BearerBluetooth,
        BearerWiMAX,
        BearerUnknown = -1
    };

    SymbianNetworkConfigurationPrivate();
    ~SymbianNetworkConfigurationPrivate();

    QString bearerName() const;

    QNetworkConfigurationPrivatePointer serviceNetworkPtr;

    QString mappingName;

    Bearer bearer;

    TUint32 numericId;
    TUint connectionId;
};

inline SymbianNetworkConfigurationPrivate *toSymbianConfig(QNetworkConfigurationPrivatePointer ptr)
{
    return static_cast<SymbianNetworkConfigurationPrivate *>(ptr.data());
}

class SymbianEngine : public QBearerEngine, public CActive,
                      public MConnectionMonitorObserver
{
    Q_OBJECT

public:
    SymbianEngine(QObject *parent = 0);
    virtual ~SymbianEngine();

    bool hasIdentifier(const QString &id);

    Q_INVOKABLE void requestUpdate();

    QNetworkConfigurationManager::Capabilities capabilities() const;

    QNetworkSessionPrivate *createSessionBackend();

    QNetworkConfigurationPrivatePointer defaultConfiguration();

    QStringList accessPointConfigurationIdentifiers();

Q_SIGNALS:
    void onlineStateChanged(bool isOnline);
    
public Q_SLOTS:
    void updateConfigurations();

private:
    void updateStatesToSnaps();
    bool changeConfigurationStateTo(QNetworkConfigurationPrivatePointer ptr,
                                    QNetworkConfiguration::StateFlags newState);
    bool changeConfigurationStateAtMinTo(QNetworkConfigurationPrivatePointer ptr,
                                         QNetworkConfiguration::StateFlags newState);
    bool changeConfigurationStateAtMaxTo(QNetworkConfigurationPrivatePointer ptr,
                                         QNetworkConfiguration::StateFlags newState);
#ifdef SNAP_FUNCTIONALITY_AVAILABLE
    SymbianNetworkConfigurationPrivate *configFromConnectionMethodL(RCmConnectionMethod& connectionMethod);
#else
    bool readNetworkConfigurationValuesFromCommsDb(
            TUint32 aApId, SymbianNetworkConfigurationPrivate *apNetworkConfiguration);
    void readNetworkConfigurationValuesFromCommsDbL(
            TUint32 aApId, SymbianNetworkConfigurationPrivate *apNetworkConfiguration);
#endif    
    
    void updateConfigurationsL();
    void updateActiveAccessPoints();
    void updateAvailableAccessPoints();
    void accessPointScanningReady(TBool scanSuccessful, TConnMonIapInfo iapInfo);
    void startCommsDatabaseNotifications();
    void stopCommsDatabaseNotifications();
    void waitRandomTime();

    QNetworkConfigurationPrivatePointer defaultConfigurationL();
    TBool GetS60PlatformVersion(TUint& aMajor, TUint& aMinor) const;
    void startMonitoringIAPData(TUint32 aIapId);
    QNetworkConfigurationPrivatePointer dataByConnectionId(TUint aConnectionId);

protected: // From CActive
    void RunL();
    void DoCancel();
    
private: // MConnectionMonitorObserver
    void EventL(const CConnMonEventBase& aEvent);

private: // Data
    bool               iFirstUpdate; 
    CCommsDatabase*    ipCommsDB;
    RConnectionMonitor iConnectionMonitor;

    TBool              iWaitingCommsDatabaseNotifications;
    TBool              iOnline;
    TBool              iInitOk;
    TBool              iUpdateGoingOn;
    TBool              iIgnoringUpdates;
    TUint              iTimeToWait;
    QEventLoop*        iIgnoreEventLoop;

    AccessPointsAvailabilityScanner* ipAccessPointsAvailabilityScanner;
    
    friend class QNetworkSessionPrivate;
    friend class AccessPointsAvailabilityScanner;

#ifdef SNAP_FUNCTIONALITY_AVAILABLE
    RCmManager iCmManager;
#endif
};

class AccessPointsAvailabilityScanner : public CActive
{
public:
    AccessPointsAvailabilityScanner(SymbianEngine& owner,
                                   RConnectionMonitor& connectionMonitor); 
    ~AccessPointsAvailabilityScanner();

    void StartScanning();
    
protected: // From CActive
    void RunL();
    void DoCancel();

private: // Data
    SymbianEngine& iOwner;
    RConnectionMonitor& iConnectionMonitor;
    TConnMonIapInfoBuf iIapBuf;
};

QT_END_NAMESPACE

#endif