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#ifndef DATABASEMANAGER_S60_H_
#define DATABASEMANAGER_S60_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 "qmobilityglobal.h"
#include <QObject>
#include <QList>

#include <servicemetadata_p.h>
#include "dberror_p.h"
#include <e32base.h>


QT_BEGIN_HEADER
QTM_BEGIN_NAMESPACE

class CDatabaseManagerServerThread;
class QServiceFilter;
typedef TPckgBuf<TInt> TError; 

class QServiceInterfaceDescriptor;

class RDatabaseManagerSession : public RSessionBase
    {
    public:
        enum DbScope{UserScope, SystemScope, UserOnlyScope};
        RDatabaseManagerSession();

    public:
        TInt Connect();
        void Close();
        TVersion Version() const;

        bool RegisterService(ServiceMetaDataResults& aService);
        bool UnregisterService(const QString& aServiceName);

        QList<QServiceInterfaceDescriptor> Interfaces(const QServiceFilter& aFilter);
        QStringList ServiceNames(const QString& aInterfaceName);

        QServiceInterfaceDescriptor InterfaceDefault(const QString& aInterfaceName);
        bool SetInterfaceDefault(const QString& aServiceName, const QString& aInterfaceName);
        bool SetInterfaceDefault(const QServiceInterfaceDescriptor& aInterface);

        DBError LastError();

        void SetChangeNotificationsEnabled(bool aEnabled);
        
        void NotifyServiceSignal(TRequestStatus& aStatus);
        void CancelNotifyServiceSignal() const;
        
    public:
        TBuf<255> iServiceName;
        TPckgBuf<TInt> iState;

    private:
        TInt StartServer();

    private:
        TIpcArgs iArgs;
        TError iError;
#ifdef __WINS__
        CDatabaseManagerServerThread* iServerThread;
#endif
    };

class DatabaseManagerSignalMonitor;

class Q_AUTOTEST_EXPORT DatabaseManager : public QObject
{
    Q_OBJECT

    public:
        enum DbScope{UserScope, SystemScope, UserOnlyScope};
        DatabaseManager(void);
        virtual ~DatabaseManager();

        bool registerService(ServiceMetaDataResults &service, DbScope scope);
        bool unregisterService(const QString &serviceName, DbScope scope);

        QList<QServiceInterfaceDescriptor> getInterfaces(const QServiceFilter &filter, DbScope scope);
        QStringList getServiceNames(const QString &interfaceName, DbScope scope);

        QServiceInterfaceDescriptor interfaceDefault(const QString &interfaceName, DbScope scope);
        bool setInterfaceDefault(const QString &serviceName, const QString &interfaceName, DbScope scope);
        bool setInterfaceDefault(const QServiceInterfaceDescriptor &interface, DbScope scope);

        DBError lastError();

        void setChangeNotificationsEnabled(DbScope scope, bool enabled);

    signals:
        void serviceAdded(const QString &serviceName, DatabaseManager::DbScope scope);
        void serviceRemoved(const QString &serviceName, DatabaseManager::DbScope scope);

    private:
        enum State{EAdded, ERemoved};
        void notifyServiceSignal();
        
    private:
        friend class DatabaseManagerSignalMonitor;
        DatabaseManagerSignalMonitor* iDatabaseManagerSignalMonitor;
	    RDatabaseManagerSession iSession;
        QServiceInterfaceDescriptor latestDescriptor(const QList<QServiceInterfaceDescriptor> &descriptors);
};

#ifdef __WINS__
QTM_END_NAMESPACE
    #include "databasemanagerserver_global.h"
    #include <QThread>
QTM_BEGIN_NAMESPACE
    class DATABASEMANAGERSERVER_EXPORT CDatabaseManagerServerThread : public QThread
        {
        public:
            CDatabaseManagerServerThread();

        protected:
            void run();
        };
#endif

class DatabaseManagerSignalMonitor : public CActive
{
    public:
        DatabaseManagerSignalMonitor(DatabaseManager& databaseManager, RDatabaseManagerSession& databaseManagerSession);
        ~DatabaseManagerSignalMonitor();

    protected:
        void issueNotifyServiceSignal();

    protected: // From CActive
        void DoCancel();
        void RunL();
    private:
        DatabaseManager& iDatabaseManager;
        RDatabaseManagerSession& iDatabaseManagerSession;
};

QTM_END_NAMESPACE
QT_END_HEADER

#endif
