/*

* Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "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: 

*     Implements interface for log event getting

*

*/

#ifndef __Logs_Engine_CLogsGetEvent_H__

#define __Logs_Engine_CLogsGetEvent_H__

//  INCLUDES

#include <e32base.h>

#include <logwrap.h>

#include "MLogsGetEvent.h"

#include "MLogsStateHolder.h"

#include "TLogsEventStrings.h"

// FORWARD DECLARATION

class CLogClient;

class CLogViewEvent;

class CLogFilter;

class CLogFilterList;

class MLogsEventGetter;

class MLogsEvent;

class CLogEvent;

class MLogsObserver;

class MLogsEvent;

class MLogsEventWrapper;

class CLogsGetEventNotify;

// CLASS DECLARATION

/**

 *  Implements interface for Logs reader. Common functionality.

 */

class CLogsGetEvent : public CActive, 

                        public MLogsGetEvent,

                        public MLogsStateHolder

    {

    public:

        /**

         *  EPOC constructor

         *

         *  @param aFsSession   ref. to file server session

         *  @param aStrings     log client constants

         *  @param aObserver    observer

         */

        static CLogsGetEvent* NewL( RFs& aFsSession, 

            TLogsEventStrings& aStrings,

            MLogsObserver* aObserver = NULL );

       /**

        *   Destructor.

        */

        virtual ~CLogsGetEvent();

    private:

       /**

        *  Default constructor

        */

        CLogsGetEvent();

        /**

         *  Constructor

         *

         *  @param aFsSession   ref. to file server session

         *  @param aStrings     log client constants

         *  @param aObserver    observer

         */

        CLogsGetEvent( RFs& aFsSession, 

                        TLogsEventStrings& aStrings, MLogsObserver* aObserver );

       /**

        *  2nd phase construction

        */

        void ConstructL();

        /**

         *  Event construction

         *

         *  @param aDest    ref. to MLogsEvent implemetation object

         *  @param aSource  pointer to CLogEvent object

         */

        void ConstructEventL( MLogsEvent& aDest, const CLogEvent& aSource );

    protected: // From CActive

        void DoCancel();

        void RunL();

		TInt RunError(TInt aError);

    public: // from MLogsGetEvent

        void Get( TLogId aId );

        const MLogsEventGetter* Event();

        const CLogEvent* LogEvent() const;

        void SetObserver( MLogsObserver* aObserver );  

    public: // from MLogsStateHolder

        TLogsState State() const;

    private:    // data

        /// ref: file session

        RFs&            iFsSession;  

        /// own: string constants

        TLogsEventStrings&   iStrings;

        /// own: log client

        CLogClient*     iLogClient;

        /// ref: observer

        MLogsObserver*  iObserver;

        /// own: state for observer

        TLogsState      iState;  

        /// Own: Event

        CLogEvent* iLogEvent;

        /// Own: Logs Event

        MLogsEvent* iEvent;

        /// Own: wrapper for CLogsGetEvent

        MLogsEventWrapper* iWrapper;

        /// Own:

        CLogsGetEventNotify* iNotify;

        /// Own: const emergency nbr supported

        TBool iStaticEmerg;

    };

#endif      // __Logs_Engine_CLogsGetEvent_H__

// End of File