--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmappfw_plat/playlist_engine_api/inc/mpxplaylistpluginobserver.h	Thu Dec 17 08:55:47 2009 +0200
@@ -0,0 +1,70 @@
+/*
+* 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:  Playlist plugin observer
+*
+*/
+
+
+#ifndef MMPXPLAYLISTPLUGINOBSERVER_H
+#define MMPXPLAYLISTPLUGINOBSERVER_H
+
+
+#include <mpxmedia.h>
+
+/**
+*  This interface is not visible to the playlist
+*  engine client. This observer interface is used internally by a plugin for request
+*  completion notification.
+*
+*  CMPXPlaylistEngine implements this interface. When a plugin completes a
+*  InternalizePlaylistL or ExternalizePlaylistL request, the appropriate
+*  HandlePlaylistL is called by the plugin to notify CMPXPlaylistEngine.
+*
+*  @lib mpxplaylistengine.lib
+*/
+NONSHARABLE_CLASS(MMPXPlaylistPluginObserver) 
+    {
+    public:
+
+        /**
+        *  Callback for InternalizePlaylistL.
+        *
+        *  @since S60 3.2.3
+        *  @param aPlaylist a list of media parsed from the playlist file. NULL
+        *         if there is an error. client takes ownership of this object.
+        *  @param aError error code    
+        *  @param aCompleted a flag that indicates if internalize playlist command has
+        *         been fully processed. EFalse if not. In this case, there will be
+        *         subsequent calls to HandlePlaylistL for the same playlist with the
+        *         segmented results.ETrue if there are no more results to be sent to
+        *         the observer.        
+        */
+        virtual void HandlePlaylistL(CMPXMedia* aPlaylist,
+                                     const TInt aError,
+                                     const TBool aCompleted) = 0;
+
+        /**
+        *  Callback for ExternalizePlaylistL.
+        *
+        *  @since S60 3.2.3
+        *  @param aPlaylistUri URI for the playlist which has been externalized
+        *  @param aError error code    
+        */
+        virtual void HandlePlaylistL(const TDesC& aPlaylistUri,
+                                     const TInt aError) = 0;        
+    };
+
+#endif      // MMPXPLAYLISTPLUGINOBSERVER_H
+
+