/*

* 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 LOGSREMOVESTATES_H

#define LOGSREMOVESTATES_H

//  INCLUDES

#include <QList>

#include "logsstatebase.h"

class LogsRemoveStateContext;

/**

 * Base for remove states

 */

class LogsRemoveStateBase : public LogsStateBase {

    friend class UT_LogsRemoveStates;

    public:

        LogsRemoveStateBase(LogsStateBaseContext& context, LogsRemoveStateContext& removeContext);

        virtual ~LogsRemoveStateBase(){}

    protected:

        LogsRemoveStateContext& mContext;

};

/**

 * State for clearing all events or specific event types from main db view

 */

class LogsRemoveStateClearAll : public LogsRemoveStateBase {

    friend class UT_LogsRemoveStates;

    public:

        LogsRemoveStateClearAll(

            LogsStateBaseContext& context, LogsRemoveStateContext& removeContext) : 

                LogsRemoveStateBase(context, removeContext) {}

        virtual ~LogsRemoveStateClearAll(){}

    public: // From LogsReaderStateBase

        virtual bool enterL();

        virtual bool continueL();

};

/**

 * State for initializing removal from recent db view

 */

class LogsRemoveStateInit : public LogsRemoveStateBase {

    friend class UT_LogsRemoveStates;

    public:

        LogsRemoveStateInit(

            LogsStateBaseContext& context, LogsRemoveStateContext& removeContext) : 

                LogsRemoveStateBase(context, removeContext) {}

        virtual ~LogsRemoveStateInit(){}

    public: // From LogsReaderStateBase

        virtual bool enterL();

        virtual bool continueL();

};

/**

 * State for event id based deletion of events from main db view

 */

class LogsRemoveStateDelete : public LogsRemoveStateBase {

    friend class UT_LogsRemoveStates;

    public:

        LogsRemoveStateDelete(

            LogsStateBaseContext& context, LogsRemoveStateContext& removeContext) : 

                LogsRemoveStateBase(context, removeContext), mRemoveIndex(0) {}

        virtual ~LogsRemoveStateDelete(){}

    public: // From LogsReaderStateBase

        virtual bool enterL();

        virtual bool continueL();

    protected:

        bool deleteNextEvent();

    protected:

        int mRemoveIndex;

};

/**

 * State for deleting duplicate events from recent db view

 */

class LogsRemoveStateDeleteDuplicates : public LogsRemoveStateBase {

    friend class UT_LogsRemoveStates;

    public:

        LogsRemoveStateDeleteDuplicates(

            LogsStateBaseContext& context, LogsRemoveStateContext& removeContext) : 

                LogsRemoveStateBase(context, removeContext) {}

        virtual ~LogsRemoveStateDeleteDuplicates(){}

    public: // From LogsReaderStateBase

        virtual bool enterL();

        virtual bool continueL();

    protected:

            bool deleteNextEvent();   

    protected:

        bool mDeleting;

        QList<int> mDeleteDuplicateIds;

};

/**

 * Completion state

 */

class LogsRemoveStateDone : public LogsRemoveStateBase {

    friend class UT_LogsRemoveStates;

    public:

        LogsRemoveStateDone(

            LogsStateBaseContext& context, LogsRemoveStateContext& removeContext) : 

                LogsRemoveStateBase(context, removeContext) {}

        virtual ~LogsRemoveStateDone(){}

    public: // From LogsReaderStateBase

        virtual bool enterL();

};

#endif      // LOGSREMOVESTATES_H

// End of File