/*

* Copyright (c) 2006-2007 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:  Header file for logging SAPI core implementation.

*

*/

#ifndef C_LOGGINGCALLBACK_H

#define C_LOGGINGCALLBACK_H

/**

* Forward declarations 

*/

class MLoggingCallBack ;

/**

* CallBack fuction called by core dll loggingservice.lib on reciving

* Logging updates from log server

* Implements HandleNotifyL() from base class MLoggingCallBack

*

* @loggingservice.lib dependency

* @see MLoggingCallBack in loggingasyncservice.h for details.

*/

class LoggingInterfaceCB : public MLoggingCallback

    {

    public :

        /**

        * Construction method for call back class

        *

        * @param aCallBack: Callback object after reciving logging updates from core class

        * @param aInParamList: input paramater list for logging request 

        * @param aOutParamList: out put paramater list to be which will contained logging information

        * @param aModuleInfo module information of positioning module used

        */

        static LoggingInterfaceCB * NewL( MLiwNotifyCallback* aCallBack )  ;

        /**

        * Function to set call back object type , this is needed to 

        * for sending Event notifications to users(KLiwEventCompleted/KLiwEventInProgress) 

        * @aRequestType request type 

        */

        inline void SetRequestType( TInt aRequestType )

            {

            iRequestType = aRequestType ;

            }

        /**

        * Implementation of HandleNotifyL method, derived from MLoggingCB

        *

        * @param aTransid, Transaction id

        * @param aStaus ,  status of the async request

        * @iter, iterator for getlist results

        */

        void HandleNotifyL( TUint aTransid, TUint aStatus, CLogIter *aiter ) ;

        /**

        * Implementation of HandleRequestL method, derived from MLoggingCB

        *

        * @param aTransid, Transaction id

        * @param aStaus ,  status of the async request

        * @parm, aEvents, data for notification

        */     

        void HandleReqeustL( TUint aTransid, TUint aStatus, CLogsEvent *aEvents ) ;

        /**

        * Implementation of CancelNotifyL method, derived from MLoggingCB

        *

        * @param aTransid, Transaction id

        */

        void CancelNotifyL( TUint aTransid );

        /**

        * GetRequestType

        */

        inline TUint GetRequestType( void ) 

            {

            return iRequestType ;

            }

        /**

        * destructor 

        */

        virtual ~LoggingInterfaceCB( ) ;  //Default destructor   

    protected:

        /**

        * Overloaded constructor which registers the callback adders

        *

        * @param aCallBack: Callback object after reciving logging updates from core class

        * @param aInParamList: input paramater list for logging request 

        * @param aOutParamList: out put paramater list to be which will contained logging information

        * @param aModuleInfo module information of positioning module used

        */

        LoggingInterfaceCB( MLiwNotifyCallback* aCallBack ) ;

    private :

        MLiwNotifyCallback  *iCallBack ;

        CLiwGenericParamList *iOutParmList ;

        //  CLiwGenericParamList *iInParmList ;

        TUint iRequestType ;    

    };

#endif // C_LOGGINGCALLBACK_H