/*

* Copyright (c) 2006 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: 

*     Deletes messages first locally and then from server.

*

*

*/

#ifndef __CIMUMDELETEMESSAGESFROMSERVER_H__

#define __CIMUMDELETEMESSAGESFROMSERVER_H__

//  INCLUDES

#include <ImumInternalApi.h>            // CImumInternalApi

#include <MsvPrgReporter.h>     // MMsvProgressDecoder

#include "IMAPPRGR.H"           // TImap4UiProgressBuf

// CONSTANTS

// MACROS

// DATA TYPES

// FUNCTION PROTOTYPES

// FORWARD DECLARATIONS

// CLASS DECLARATION

/**

* class CImumDeleteMessagesFromServer

* Encapsulates delete locally operation and delete from server operation.

* First deletes message locally and after it has been completed, deletes from the server

* Decodes its own progress.

*/

class CImumDeleteMessagesFromServer :

    public CMsvOperation,

    public MMsvProgressDecoder

    {

    public:

        /**

        * Constructor.

        */

        static CImumDeleteMessagesFromServer* NewL(

            CImumInternalApi& aMailboxApi,

            TRequestStatus& aObserverRequestStatus,

            CMsvEntrySelection& aDeletedEntries );

        /**

        * Destructor.

        */

        virtual ~CImumDeleteMessagesFromServer();

        /**

        *

        */

        virtual const TDesC8& ProgressL();

        /**

        * From MMsvProgressDecoder

        */

        virtual TInt DecodeProgress (

            const TDesC8& aProgress,

            TBuf<CBaseMtmUi::EProgressStringMaxLen>& aReturnString,

            TInt& aTotalEntryCount,

            TInt& aEntriesDone,

            TInt& aCurrentEntrySize,

            TInt& aCurrentBytesTrans,

            TBool aInternal );

    private:

        enum ImumDeleteMessagesState {

            EImumDeletingMessagesStateLocally = 0,

            EImumDeletingMessagesStateFromServer

            };

        /**

        * Constructor.

        */

        CImumDeleteMessagesFromServer(

            CImumInternalApi& aMailboxApi,

            TRequestStatus& aObserverRequestStatus );

        /**

        * Constructor.

        */

        void ConstructL( CMsvEntrySelection& aDeletedEntries );

        /**

        * From CActive

        */

        void DoCancel();

        /**

        * From CActive

        */

        void RunL();

        /**

        * Starts new local delete progress

        */

        void StartNextDeleteLocally();

        /**

        * Creates object of CImumDeleteMessagesLocally

        */

        void MakeNextDeleteLocallyL();

        /**

        * Starts entry delete after local delete is completed.

        */

        void StartDeleteFromServer();

        /**

        * Creates delete operation

        */

        void MakeDeleteFromServerL();

    private:

        CImumInternalApi&       iMailboxApi;

        CMsvOperation*          iOperation;

        CMsvEntry*              iEntry;

        CMsvEntrySelection*     iEntrySelection; // includes entries to be deleted

        TInt                    iEntryCount;

        TBuf8<1>                iBlank;

        HBufC*                  iProgressText;

        ImumDeleteMessagesState iState;

        TImap4UiProgressBuf     iUiProgress;

        TBool                   iDeleteProgress;

        // File Session

        RFs                     iFileSession;

        // Currently active drive

        TInt                    iDriveNo;

    };

#endif      // __CIMUMDELETEMESSAGESFROMSERVER_H__

// End of File