// Copyright (c) 1997-2009 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:

 // This file contains the definition for the TImplementationProxy structure.

 // 

 //

 /**

  @file

  @publishedAll

  @released

 */

 #ifndef __IMPLEMENTATIONPROXY_H__

 #define __IMPLEMENTATIONPROXY_H__

 // ____________________________________________________________________________

 // INCLUDES

 #include <e32std.h>

 // ____________________________________________________________________________

 // TYPES - TImplementationProxy

 /**

 Pre-defined function pointer type used in TImplementationProxy

 @leave		KErrNoMemory

 @leave      Or any of the System Wide error codes

 @return     TAny* A pointer to the instantiated interface implementation.

 */

 typedef TAny* (*TFuncPtr)();

 /**

 Typedef used to cover the difference between EABI and older handling

 of the instantiation method pointer.

 */

 #if  defined(__EABI__) || defined(__GCCXML__) || defined(__X86GCC__) || defined(__GCCE__)

   typedef TFuncPtr TProxyNewLPtr;

 #else

   typedef TAny* TProxyNewLPtr;

 #endif

 /**

 The structure that defines the pairing required by the ECOM framework

 to correctly identify the instantiation method pointer to provide

 to a client's resolution request.

 */

 typedef struct

 	{

 	/** The unique UID for an Interface Implementation */

 	TUid	iImplementationUid;

 	/** The pointer to the instantiation method for the Interface Implementation identified by the UID.*/

 	TProxyNewLPtr iNewLFuncPtr;

 	} TImplementationProxy;

 /**

 Macro to initialise an element of a static array of TImplementationProxy objects.

 This macro deals with casting the function pointer to the type used in the structure.

 */

 #define IMPLEMENTATION_PROXY_ENTRY(aUid, aFuncPtr)	{{aUid},(TProxyNewLPtr)(aFuncPtr)}

 #ifndef SYMBIAN_ENABLE_SPLIT_HEADERS

 #include <ecom/extendedinterfaceimplementationproxy.h>

 #endif

 #endif	// __IMPLEMENTATIONPROXY_H__