/*

* Copyright (c) 2009 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: 

*   %created_by:    shreedha %

*   %date_created:  Tue Feb 10 11:34:01 2009 %

*

*/

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

*

*   Header %name:   loggingsyncservice.h %

*   Instance:       bh1sapi_1

*   Description:

*   %created_by:    shreedha %

*   %date_created:  Tue Feb 10 11:34:01 2009 %

*

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

#ifndef LOGGINGSERVICE_H

#define LOGGINGSERVICE_H

#include <logwrap.h>

#include <logcli.h>

/**

* Forward declaration

*/

class CLogViewEvent  ;

class CLogIter       ;

/**

* CLogSyncService: Deligator class declariation, this is a wrapper class

* for all the functionalities offers by symbian logging service.

*

* This Class deligates the responsibilities to coreimp class for async

* service

*/

class CLogSyncService: public CActive

    {

    public :

        /**

        * NewL: Two phased construction

        */

        IMPORT_C static CLogSyncService *NewL() ;

        /**

        * NewLC: Creates an instance of CLogSyncServiceClass

        * Two Phased constructor

        * returns newly allocated object.

        */

        static CLogSyncService* NewLC() ;

        /**

        * Add(): Adds a new event to event database.Synchronous

        * returns unique id of the event added in event database.

        */

        IMPORT_C TLogId AddL( CLogEvent *aEvent );

        /**

        * Deletes a event from the event database

        * @param aLogId Event id of the event in the database

        */

        IMPORT_C TInt   Delete( TLogId aId ) ;

        /**

        * GetList(): Gets the events as specified by filter

        *

        * @param aFilter, view filter

        */

        IMPORT_C CLogIter*   GetListL( CLogFilter *aFilter ) ;

        /**

        * Returns the current event in the view

        */

        inline const CLogEvent& Event()

            {

            return iLogViewEvents->Event() ;

            }

        /**

        * ReadRecentEvents, reads recentEvents from the list

        *

        * @param aRecentList, recentlist to be viewed

        * @param aFilter, filter for events to appear in view

        */

        CLogIter* ReadRecentEventsL( TLogRecentList  aRecentList ,

                                    CLogFilter *aFilter = NULL ) ;

        /**

        * Gets the details of the event as specified by the

        * input paramater

        *

        * @param aEvent, details of the event to be fetched

        */

        CLogIter* GetEventL( CLogEvent *aEvent ) ;

        /**

        * Default Destructor

        */

        ~CLogSyncService() ;

    protected :

        /**

        * ConstructL(): Internal method to construct members

        */

        void ConstructL() ;

        /**

        * Default constructor

        */

        CLogSyncService() ;

        /**

        * DoInitialiseL(): Internal method to initialise members

        */

        void DoInitialiseL() ;

        /**

        * From CActive

        */

        void DoCancel() ;

        /**

        * From CActive

        */

        void RunL() ;

    private:

        /**

        * Log Engine Handle

        */

        CActiveSchedulerWait* iWaitScheduler;

        CLogClient*   iLogClient ;

        CLogViewEvent* iLogViewEvents ;

        CLogViewRecent* iLogViewRecent ;

        RFs iFs ;

        TInt iTaskId ;

};

#endif