/*

* Copyright (c) 2005 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:  

*     CMsgLogsObserver declaration file

*

*/

#ifndef __MSGLOGSOBSERVER_H

#define __MSGLOGSOBSERVER_H

//  INCLUDES

#include <e32base.h>

#include <logviewchangeobserver.h>

// FORWARD DECLARATIONS

class CMsgErrorWatcher;

class CLogClient;

class CLogViewEvent;

class CLogFilterList;

class CLogEventType;

// CLASS DECLARATION

/**

* CMsgLogsObserver

*

* @lib msgerrorwatcher.dll

* @since 3.0

*/

class CMsgLogsObserver : public CActive, public MLogViewChangeObserver

    {

    public:  // Constructors and destructor

        /**

        * Two-phased constructor.

        *

        * @param aWatcher A pointer to CMsgErrorWatcher

        */

        static CMsgLogsObserver* NewL( CMsgErrorWatcher* aWatcher, RFs& aFs );

        /**

        * Destructor.

        */

        virtual ~CMsgLogsObserver();

    private:

        /**

        * By default Symbian OS constructor is private.

        */

        void ConstructL();

        /**

        * Private C++ constructor.

        *

        * @param aWatcher A pointer to CMsgErrorWatcher

        */

        CMsgLogsObserver( CMsgErrorWatcher* aWatcher, RFs& aFs );

        /**

        *

        */

        void CreateFiltersL();

        /**

        *

        */

        void AppendFiltersL();

        /**

        *

        */

        void GetLogEventL( TLogId aId );

        /**

        *

        */

        void ShowNoteL();

        /**

        *

        */

        void AddEventTypeL();

         /**

        *

        */

        void AddDummyEvent1L();

        /**

        *

        */

        void AddDummyEvent2L();

        /**

        *

        */

        void DeleteDummyEvent1();

        /**

        *

        */

        void DeleteDummyEvent2();

        /**

        *

        */

        void CompleteSelf();

    private:

        /**

        * From CActive

        */

        void DoCancel();

        /**

        * From CActive

        */

        void RunL();

    private:

        /**

        * From MLogViewChangeObserver

        */

        void HandleLogViewChangeEventAddedL(TLogId aId, TInt aViewIndex, TInt aChangeIndex, TInt aTotalChangeCount);

        void HandleLogViewChangeEventChangedL(TLogId aId, TInt aViewIndex, TInt aChangeIndex, TInt aTotalChangeCount);

        void HandleLogViewChangeEventDeletedL(TLogId aId, TInt aViewIndex, TInt aChangeIndex, TInt aTotalChangeCount);

    private:    // Data

        enum TMsgLogsObserverState

            {

            EMsgLogsIdle = 0,

            EMsgLogsAddingEventType,

            EMsgLogsAddingDummyEvent1,

            EMsgLogsAddingDummyEvent2,

            EMsgLogsCreatingFilters,

            EMsgLogsDeletingDummyEvent1,

            EMsgLogsDeletingDummyEvent2,

            EMsgLogsGettingEvent

            };

        CMsgErrorWatcher* iWatcher;

        RFs& iFs;

        TMsgLogsObserverState iState;

        CLogClient* iLogClient;

        CLogEvent* iLogEvent;

        CLogEvent* iDummyLogEvent1;

        CLogEvent* iDummyLogEvent2;

        CLogViewEvent* iLogViewEvent;

        CLogFilterList* iFilterList;

        CLogEventType*  iLogEventType;  // to add mms event type

        TLogString iDelivered;

        TLogId iDummyLogId;

    };

#endif      // __MSGLOGSOBSERVER_H

// End of File