landmarks/locationlandmarks/localaccess/inc/EPos_MPosLmLocalInternalProxyOpClient.h
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     1 /*
       
     2 * Copyright (c) 2005 Nokia Corporation and/or its subsidiary(-ies). 
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description: Interface for proxy operations
       
    15 *
       
    16 *
       
    17 */
       
    18 
       
    19 
       
    20 #ifndef MPOSLMLOCALINTERNALPROXYOPCLIENT_H
       
    21 #define MPOSLMLOCALINTERNALPROXYOPCLIENT_H
       
    22 
       
    23 //  INCLUDES
       
    24 #include <e32base.h>
       
    25 
       
    26 // FORWARD DECLARATIONS
       
    27 
       
    28 /**
       
    29 * Interface for proxy operations, which use this interface to redirect incoming
       
    30 * calls from NextStep and ExecuteL to DoNextStep and DoExecuteL respectively.
       
    31 *
       
    32 * This interface is implemented by operation classes which provide another
       
    33 * way to perform the operation in asynchronous steps or in one single
       
    34 * synchronous step, other than using NextStep and ExecuteL (from
       
    35 * CPosLmOperation).
       
    36 */
       
    37 class MPosLmLocalInternalProxyOpClient
       
    38     {
       
    39 
       
    40      public:  // New functions
       
    41 
       
    42         /**
       
    43         * Performs the next step of the operation asynchronously.
       
    44         *
       
    45         * @param aStatus A request status.
       
    46         * @param aProgress The operation progress
       
    47         */
       
    48         virtual void DoNextStep(
       
    49         /* OUT */       TRequestStatus& aStatus,
       
    50         /* OUT */       TReal32& aProgress
       
    51         ) = 0;
       
    52 
       
    53         /**
       
    54         * Performs the operation synchronously.
       
    55         */
       
    56         virtual void DoExecuteL() = 0;
       
    57 
       
    58     };
       
    59 
       
    60 #endif      // MPOSLMLOCALINTERNALPROXYOPCLIENT_H
       
    61 
       
    62 // End of File