--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/omxil/mmilapi/refomxil/inc/momxilcomponentifobserver.h	Tue Feb 02 01:56:55 2010 +0200
@@ -0,0 +1,76 @@
+// 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:
+//
+
+#ifndef MOMXILCOMPONENTIFOBSERVER_H
+#define MOMXILCOMPONENTIFOBSERVER_H
+
+#include <e32base.h>
+#include <openmax/il/khronos/v1_x/OMX_Core.h>
+
+class CMMFBuffer;
+
+/**
+OpenMAX component interface observer class.
+This is an internal interface class that encapsulates and represents the OpenMAX callback API as defined by the OpenMAX specification.
+*/
+class MOmxILComponentIfObserver
+	{
+public:
+	
+	/**
+	Callback method that returns the buffer that has been filled.
+	
+	@param 	aBuffer
+	 		The buffer returned by the OpenMAX component.
+	@param 	aPortIndex
+	 		The OpenMAX component's port index returning the buffer.
+	@return	
+			KErrNone, if successful; otherwise one of the other system-wide error codes. 
+	*/
+
+	virtual TInt FillBufferDone(CMMFBuffer* aBuffer, TInt aPortIndex) = 0;
+
+	/**
+	Callback method that returns the buffer that has been emptied.
+	
+	@param 	aBuffer
+	 		The buffer returned by the OpenMAX component.
+	@param 	aPortIndex
+	 		The OpenMAX component's port index returning the buffer.
+	@return	
+			KErrNone, if successful; otherwise one of the other system-wide error codes. 
+	*/
+	virtual TInt EmptyBufferDone(const CMMFBuffer* aBuffer, TInt aPortIndex) = 0;
+
+	/**
+	Callback method used by the component to notify the client application of a particular event.
+	
+	@param 	aEvent
+	 		Event the component wants to notify the application about.
+	@param 	aData1
+	 		The first integer event-specific parameter.
+	@param 	aData2
+	 		The second integer event-specific parameter.
+	@param 	aExtraInfo
+			A pointer to additional event-specific data the component wants to send to the application.
+			The component owns the memory.
+	@return	
+			KErrNone, if successful; otherwise one of the other system-wide error codes. 
+	*/
+	virtual TInt EventHandler(OMX_EVENTTYPE aEvent, TUint32 aData1, TUint32 aData2, TAny* aExtraInfo) = 0;
+	};
+
+#endif // MOMXILCOMPONENTIFOBSERVER_H
+