email/imap4mtm/imaptransporthandler/inc/msocketconnector.h
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     1 // Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).
       
     2 // All rights reserved.
       
     3 // This component and the accompanying materials are made available
       
     4 // under the terms of "Eclipse Public License v1.0"
       
     5 // which accompanies this distribution, and is available
       
     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     7 //
       
     8 // Initial Contributors:
       
     9 // Nokia Corporation - initial contribution.
       
    10 //
       
    11 // Contributors:
       
    12 //
       
    13 // Description:
       
    14 //
       
    15 
       
    16 #ifndef __MSOCKETCONNECTOR_H__
       
    17 #define __MSOCKETCONNECTOR_H__
       
    18 
       
    19 #include <e32std.h>
       
    20 
       
    21 /**
       
    22 The MSocketConnector class provides an API to control a socket connection
       
    23 request. The socket connection would have been requested via the 
       
    24 MSocketFactory API. An observer is required for the socket connection - a
       
    25 MSocketConnectObserver object.
       
    26 
       
    27 The MSocketConnector can stop the connection only if the socket connect
       
    28 observer has not notified of either a successful connection or that an error
       
    29 has occurred.
       
    30 
       
    31 If the connection is stopped then the observer will receive no notification
       
    32 and the MSocketConnector object is no longer valid.
       
    33 
       
    34 @see MSocketFactory
       
    35 @see MSocketConnectObserver	
       
    36 @internalTechnology
       
    37 @prototype
       
    38 */
       
    39 class MSocketConnector
       
    40 	{
       
    41 public:
       
    42 	/**
       
    43 	Stops the connect service. The connect service can only be stopped if the
       
    44 	connection has not been established - i.e. before the appropriate 
       
    45 	MSocketConnectObserver object has been called ConnectionMadeL() API. The
       
    46 	connect observer will be notified on the MSocketConnectObserver::HandleConnectError()
       
    47 	API with an error code of KErrCancel when the connect service has actually
       
    48 	stopped.
       
    49 	@pre The socket connect observer has not been notified.
       
    50 	@post The socket connector is no longer valid.
       
    51 	*/
       
    52 	virtual void StopConnect() =0;
       
    53 	};
       
    54 
       
    55 #endif	// __MSOCKETCONNECTOR_H__