diff -r 000000000000 -r 40261b775718 omxil/mmilapi/ilif/inc/milcomponentportif.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/omxil/mmilapi/ilif/inc/milcomponentportif.h	Tue Feb 02 01:56:55 2010 +0200
@@ -0,0 +1,153 @@
+// Copyright (c) 2008-2009 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:
+//
+
+/**
+ @file
+ @internalTechnology
+ @prototype
+*/
+
+#ifndef MILCOMPONENTPORTIF_H
+#define MILCOMPONENTPORTIF_H
+
+#include <e32base.h>
+#include "ilifbase.h"
+#include "milcomponentif.h"
+
+class MILComponentPortIf;
+class MILComponentPortIfObserver;
+
+class CMMFBuffer;
+	
+/**
+IL Component Port interface class
+*/
+class MILComponentPortIf
+	{
+public:
+	
+	/**
+	Asynchronous function used to get data from an output Port.
+	
+	@param	aBuffer	
+			Reference to the buffer to be filled.
+	@return An error code indicating if the function call was successful. KErrNone on success, otherwise
+	        another of the system-wide error codes.
+	*/		 
+	virtual TInt FillThisBuffer(CMMFBuffer& aBuffer) = 0;
+
+	/**
+	Asynchronous function used to deliver data to an input Port.
+	
+	@param	aBuffer	
+			Reference to the buffer to be emptied.
+	@return An error code indicating if the function call was successful. KErrNone on success, otherwise
+	        another of the system-wide error codes.
+	*/		 
+	virtual TInt EmptyThisBuffer(const CMMFBuffer& aBuffer) = 0;
+		
+	/**
+	Called by an IL client to request tunnelling between the component's port represented by this
+	interface and the component's port represented by the port interface passed as a parameter.
+	It can also be called by an IL client to request tearing down an existing tunnel by passing a NULL
+	port argument.
+	
+	@param  aPort 
+			The port interface representing the port to be tunelled to, or NULL to disconnect tunnel.
+	@return An error code indicating if the function call was successful. KErrNone on success, otherwise
+	        another of the system-wide error codes.
+	*/
+ 	virtual TInt TunnelRequest(MILComponentPortIf* aPort) = 0;
+
+	/**
+	Called by a component to get the index of this port.
+	
+	@return An integer specifying the index of this port.
+	*/
+	virtual TInt PortIndex() const = 0;
+
+	/**
+	Called by a component to get the direction of this port.
+	
+	@return The direction of this port
+	*/
+	virtual TPortDirection PortDirection() const = 0;
+
+	/**
+	Synchronous function used to instruct the port to create a buffer. 
+	
+	@param  aBufferSize
+			The size of the buffer to be created.
+	@leave  KErrNoMemory if not sufficient memory available when creating the buffer.
+	@return A pointer to the newly created buffer.
+	*/
+	virtual CMMFBuffer* CreateBufferL(TInt aBufferSize) = 0;
+
+	/**
+	Synchronous function used to instruct the Port to use the buffer passed 
+	in the function's argument. 
+	
+	@param  aBuffer
+			A reference to the buffer to be used by the Port.
+	@return An error code indicating if the function call was successful. 
+			KErrNone on success, otherwise another of the system-wide error codes.
+	*/	
+	virtual TInt UseBuffer(CMMFBuffer& aBuffer) = 0;
+
+	/**
+	Synchronous function used to instruct the port to free the buffer passed 
+	in the function's argument. 
+	
+	@param  aBuffer
+			The buffer to be freed
+	@return An error code indicating if the function call was successful. 
+			KErrNone on success, otherwise another of the system-wide error codes.
+	*/
+	virtual TInt FreeBuffer(CMMFBuffer* aBuffer) = 0;
+
+	/**
+	Asynchronous function used to flush this port.
+	
+	@return An error code indicating if the function call was successful. 
+			KErrNone on success, otherwise another of the system-wide error codes.
+	*/
+	virtual TInt FlushPort() = 0;
+	
+	/**
+	Asynchronous function used to enable this port.
+	
+	@return An error code indicating if the function call was successful. 
+			KErrNone on success, otherwise another of the system-wide error codes.
+	*/
+	virtual TInt EnablePort() = 0;
+
+	/**
+	Asynchronous function used to disable this port.
+	
+	@return An error code indicating if the function call was successful. 
+			KErrNone on success, otherwise another of the system-wide error codes.
+	*/
+	virtual TInt DisablePort() = 0;
+	
+	/**
+	Synchronous function that returns a pointer to a component owning this port. 
+	
+	@return A pointer to this port's component
+	*/
+	virtual	MILComponentIf* PortComponent() const = 0; 
+
+	};
+
+#endif // MILCOMPONENTPORTIF_H