diff -r 000000000000 -r a2952bb97e68 mpx/collectionframework/inc/mpxcollectionengineobserver.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mpx/collectionframework/inc/mpxcollectionengineobserver.h	Thu Dec 17 08:55:47 2009 +0200
@@ -0,0 +1,54 @@
+/*
+* Copyright (c) 2006 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:  Collection engine observer
+*
+*/
+
+ 
+
+#ifndef MMPXCOLLECTIONENGINEOBSERVER_H
+#define MMPXCOLLECTIONENGINEOBSERVER_H
+
+#include <badesca.h>
+#include <mpxcollectionenginecommonobserver.h>
+
+/**
+*  Interface for receiving data asynchronously 
+*/
+NONSHARABLE_CLASS(MMPXCollectionEngineObserver) : public MMPXCollectionEngineCommonObserver
+    {
+public:
+    /**
+    *  Handles the collection entries being opened. Typically called
+    *  when client has Open()'d a folder
+    *  Or Handles the item being opened. Typically called
+    *  when client has Open()'d an item. Client typically responds by
+    *  'playing' the item via the playlist
+    *
+    *  @param aMedia media to hold collection entries
+    *  @param aIndex focused entry
+    *  @param aComplete ETrue no more entries. EFalse more entries expected
+    *  @param aError error code   
+    */
+    virtual void HandleOpen(CMPXMedia* aMedia,
+                            TInt aIndex,TBool aComplete,TInt aError) = 0;
+    
+    /**
+    * Handles a generic Async Op completion ( nothing to return )
+    * @param aError, error to complete
+    */
+    virtual void HandleOpComplete( TInt aError ) = 0;
+    };    
+    
+#endif // MMPXCOLLECTIONENGINEOBSERVER_H