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#ifndef CNTSRVCONNECTION_H

#define CNTSRVCONNECTION_H

// System includes

#include <e32std.h>

#include <cntdb.h>

#include <qcontactmanager.h>

#include <qcontactmanagerengine.h>

// User includes

// Forward declarations

// External data types

// Constants

QTM_USE_NAMESPACE

class CntSymbianSrvConnection : public RSessionBase

{

public:

    /*Constructor and destructor*/

    CntSymbianSrvConnection(QContactManagerEngine* engine);

    ~CntSymbianSrvConnection();

public:

    /* QT like functions */

    QList<QContactLocalId> searchContacts(const QString& searchQuery, 

                                          QContactManager::Error* error);

    QContact searchContactName(QContactLocalId contactId,

                               QContactManager::Error* error);

    QList<QContact> searchAllContactNames(QContactManager::Error* error);

private:

    /* Symbian Leaving functions */

    QList<QContact> searchContactNamesL(const TDesC& aSqlQuery);

    void ConnectSrvL();

    void OpenDatabaseL();

    TVersion Version() const;

    TDes8& GetReceivingBufferL(TInt aSize=0);

private:

    /* member varibles */ 

    QContactManagerEngine* m_manager;

    CBufFlat* m_buffer;

    TInt m_maxBufferSize;

    TPtr8 m_bufPtr;

    bool m_isInitialized;

    friend class ut_cntsymbianfiltersqlhelper;

};

#endif //CNTSRVCONNECTION_H