/*

* 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 "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:

*

*/

#ifndef LOGSWORKER_H

#define LOGSWORKER_H

//  INCLUDES

#include <QList>

#include <e32base.h>

#include "logsstatebasecontext.h"

// FORWARD DECLARATION

class CLogViewRecent;

class CLogClient;

class CLogViewEvent;

class CLogViewDuplicate;

class LogsStateBase;

// CLASS DECLARATION

/**

 * LogsReader is used to read events from database

 */

class LogsWorker : public CActive,

                   public LogsStateBaseContext

    {

        friend class UT_LogsReader;

        friend class UT_LogsDbConnector;

    public:

        /**

         *  Constructor

         *  @param readAllEvents, true if all events in db should be read,

         *      otherwise only recent events are read

         */

        LogsWorker( bool readAllEvents = false );

       /**

        *   Destructor.

        */

        virtual ~LogsWorker();

    protected: // From CActive

        void RunL();

        void DoCancel();

        TInt RunError(TInt error);

    protected: // From LogsStateBaseContext

        inline void setCurrentState(const LogsStateBase& state);

        inline CLogView& logView();

        inline CLogViewDuplicate& duplicatesView();

        inline int& index();

        inline TRequestStatus& reqStatus();

        inline int currentEventId();

        inline CLogClient& logClient();

        inline bool isRecentView();

    protected:

        LogsStateBase& currentState();

    protected: // data

        bool mReadAllEvents;

        CLogClient* mLogClient;

        CLogViewRecent* mLogViewRecent;

        CLogViewEvent* mLogViewEvent;

        CLogViewDuplicate* mDuplicatesView;

        int mIndex;

        int mCurrentStateIndex;

        QList<LogsStateBase*>* mCurrentStateMachine;

        int mCurrentEventId;

    };

#endif      // LOGSWORKER_H

// End of File