sipvoipprovider/svptransfer/inc/svptransferstatebase.h
branchRCL_3
changeset 21 f742655b05bf
parent 20 65a3ef1d5bd0
child 22 d38647835c2e
equal deleted inserted replaced
20:65a3ef1d5bd0 21:f742655b05bf
     1 /*
       
     2 * Copyright (c) 2006 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:  Transfer state base class for different transfer states
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 #ifndef SVPTRANSFERSTATEBASE_H
       
    20 #define SVPTRANSFERSTATEBASE_H
       
    21 
       
    22 #include <e32base.h>
       
    23 
       
    24 class CSVPTransferStateContext;
       
    25 
       
    26 /**
       
    27  *  Transfer state base class
       
    28  *
       
    29  *  @lib svp.dll
       
    30  *  @since S60 3.2
       
    31  */
       
    32 class CSVPTransferStateBase : public CBase
       
    33     {
       
    34 
       
    35 public: // Constructors and destructor
       
    36     
       
    37     /**
       
    38      * Destructor.
       
    39      */
       
    40     virtual ~CSVPTransferStateBase();
       
    41     
       
    42 public: // New functions
       
    43 
       
    44     /**
       
    45      * Applies the current state. Called after the state transition.
       
    46      * Leaves on error.
       
    47      * @since S60 3.2
       
    48      * @param aContext SVP Transfer context
       
    49      */
       
    50     void ApplyL( CSVPTransferStateContext& aContext );
       
    51     
       
    52     /**
       
    53      * Called when the state is entered, before it is applied.
       
    54      *
       
    55      * @since S60 3.2
       
    56      * @param aContext SVP Transfer context
       
    57      */
       
    58     void Enter( CSVPTransferStateContext& aContext );
       
    59 
       
    60 
       
    61 protected: // New functions
       
    62 
       
    63     /**
       
    64      * Applies the current concrete state. Leaves on error.
       
    65      * Implemented by the concrete states.
       
    66      *
       
    67      * @since S60 3.2
       
    68      * @param aContext SVP Transfer context
       
    69      */
       
    70     virtual void DoApplyL( CSVPTransferStateContext& aContext ) = 0;
       
    71 
       
    72     /**
       
    73      * Called when the state is entered. Implemented by the concrete states.
       
    74      *
       
    75      * @since S60 3.2
       
    76      * @param aContext SVP Transfer context
       
    77      */  
       
    78     virtual void DoEnter( CSVPTransferStateContext& aContext ) = 0;
       
    79 
       
    80     /**
       
    81     * C++ default constructor.
       
    82     */
       
    83     CSVPTransferStateBase();
       
    84  
       
    85     };
       
    86 
       
    87 #endif // SVPTRANSFERSTATEBASE_H