natfw/natfwstunturnclient/inc/msharedsecretobserver.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:    
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 
       
    21 #ifndef M_SHAREDSECRETOBSERVER_H
       
    22 #define M_SHAREDSECRETOBSERVER_H
       
    23 
       
    24 // INCLUDES
       
    25 #include <e32def.h>
       
    26 
       
    27 // FORWARD DECLARATIONS
       
    28 
       
    29 // CLASS DECLARATION
       
    30 
       
    31 /**
       
    32  *  Defines the callback functions from CSTUNSharedSecret to the object using
       
    33  *  it. 
       
    34  */
       
    35 class MSharedSecretObserver
       
    36     {
       
    37 public:
       
    38 
       
    39     /**
       
    40       * Destructor
       
    41      */
       
    42     virtual ~MSharedSecretObserver() {}
       
    43 
       
    44     /**
       
    45      * A shared secret has been successfully obtained from a STUN server.
       
    46      */
       
    47     virtual void SharedSecretObtainedL() = 0;
       
    48 
       
    49     /**
       
    50      * Failure experienced while trying to get a shared secret.
       
    51      *
       
    52      * @param aError Reason for the failure.
       
    53      */
       
    54     virtual void SharedSecretErrorL( TInt aError ) = 0;
       
    55     };
       
    56 
       
    57 #endif // M_SHAREDSECRETOBSERVER_H