/*

* 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:A proxy operation between the client and another operation.

*

*/

#ifndef CPOSLMLOCALINTERNALPROXYOP_H

#define CPOSLMLOCALINTERNALPROXYOP_H

//  INCLUDES

#include <EPos_CPosLmOperation.h>

// FORWARD DECLARATION

// CLASS DECLARATION

class MPosLmLocalInternalProxyOpClient;

/**

* A proxy operation between the client and another operation.

* This operation redirects client calls to NextStep and ExecuteL to

* the other operation's DoNextStep and DoExecuteL.

*/

NONSHARABLE_CLASS(CPosLmLocalInternalProxyOp) : public CPosLmOperation

    {

    public:  // Constructors and destructor

        /**

        * Two-phased constructor.

        *

        * @param aOpClient Reference to a proxy client operation.

        * @param aOp Pointer to a proxy client operation.

        *   Ownership transferred. Usually the same object as aOpClient.

        * @return A new instance of this class.

        */

        static CPosLmLocalInternalProxyOp* NewL(

        /* IN  */       MPosLmLocalInternalProxyOpClient& aOpClient,

        /* IN  */       CPosLmOperation* aOp

        );

        /**

        * Destructor.

        */

        virtual ~CPosLmLocalInternalProxyOp();

    public: // New functions

        /**

        * Returns a pointer to the operation. Ownership is not transferred.

        */

        CPosLmOperation* Operation();

    public: // From base classes

        /**

        * From CPosLmOperation.

        *

        * @param aStatus The request status. Will be completed when the step

        *   has been performed. The request status will be @p KRequestPending

        *   if the step has not completed. It will be

        *   @p KPosLmOperationNotComplete if the step has completed but more

        *   steps are needed before the operation has finished. The request

        *   status will be @p KErrNone if the operation has finished

        *   successfully. The status will be set to an error code if the

        *   operation has failed.

        * @param aProgress Will be set to the progress of the operation when the

        *   step has finished.

        */

        void NextStep(

        /* OUT */   TRequestStatus& aStatus,

        /* OUT */   TReal32& aProgress

        );

        /**

        * From CPosLmOperation.

        */

        void ExecuteL();

    private:

        /**

        * C++ default constructor.

        *

        * @param aOpClient Reference to a proxy client operation.

        * @param aOp Pointer to a proxy client operation.

        *   Ownership transferred. Usually the same object as aOpClient.

        */

        CPosLmLocalInternalProxyOp(

        /* IN  */       MPosLmLocalInternalProxyOpClient& aOpClient,

        /* IN */        CPosLmOperation* aOp

        );

        // By default, prohibit copy constructor

        CPosLmLocalInternalProxyOp(

            const CPosLmLocalInternalProxyOp& );

        // Prohibit assigment operator

        CPosLmLocalInternalProxyOp& operator= (

            const CPosLmLocalInternalProxyOp& );

    private: // Data

        MPosLmLocalInternalProxyOpClient* iOpClient;

        CPosLmOperation* iOp;

    };

#endif      // CPOSLMLOCALINTERNALPROXYOP_H

// End of File