--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/videocollection/videocollectionwrapper/inc/videodatasignalreceiver.h	Fri Apr 16 14:59:52 2010 +0300
@@ -0,0 +1,110 @@
+/*
+* Copyright (c) 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:   Signal receiver interface for video data changes.*
+*/
+
+
+
+#ifndef __VIDEOMODELOBSERVER_H
+#define __VIDEOMODELOBSERVER_H
+
+// INCLUDES
+#include <QObject>
+#include <mpxcollectionmessagedefs.h>
+#include <mpxitemid.h>
+#include <QList>
+
+// FORWARD DECLARATIONS
+class CMPXMediaArray;
+class CMPXMedia;
+
+
+// CLASS DECLARATION
+
+/**
+ * Observer interface for video data changes.
+ *
+ * @lib vcxnsmyvideos.lib
+ */
+class  VideoDataSignalReceiver : public QObject
+{
+    Q_OBJECT
+    
+public slots:
+
+    /**
+     * Signaled when a list of videos is available.
+     * Ownership of array is not transferred.
+     * 
+     * @param aVideoList List of videos
+     */
+    virtual void newVideoListSlot( CMPXMediaArray* aVideoList ) = 0;
+    
+    /**
+     * Signaled when a list of videos is appended from collection.
+     * Ownership of array is not transferred.
+     * 
+     * @param videoList List of videos
+     */
+    virtual void appendVideoListSlot( CMPXMediaArray* videoList ) = 0;
+          
+    
+    /**
+     * Signaled when a single video item has fetched.
+     * Ownership of video is transferred.
+     * 
+     * @param aVideo Video item.
+     */
+    virtual void newVideoAvailableSlot( CMPXMedia* aVideo ) = 0;
+    
+    /**
+     * Signaled when received an avent about externally removed item.
+     * 
+     * @param itemId item id
+     */
+    virtual void itemDeletedSlot( TMPXItemId itemId ) = 0;
+           
+    /**
+     * Signaled when multiple video deletion command is completed.
+     * 
+     * @param overallCount count of ALL videos in this delete procedure 
+     * @param failedMediaIds media-array containing possible failed medias
+     */
+    virtual void videoDeleteCompletedSlot( int overallCount, QList<TMPXItemId> *failedMediaIds ) = 0;
+    
+    /**
+     * Signaled when album remove command is completed and some albums were not removed.
+     * 
+     * @param failedMediaIds media-array containing failed medias
+     */
+    virtual void albumRemoveFailureSlot( QList<TMPXItemId> *failedMediaIds ) = 0;
+    
+    /**
+     * Signaled when all details for a video have been fetched.
+     * 
+     * @param aMedia MPX Media that contains all details.
+     */
+    virtual void videoDetailsCompletedSlot( TMPXItemId videoId ) = 0;
+    
+    /**
+     * Signalled when album items are recieved.
+     * 
+     * @param albumId, Album which items are received.
+     * @param albumItems, Items belonging to the current album.
+     */
+    virtual void albumListAvailableSlot(TMPXItemId albumId,
+        CMPXMediaArray *albumItems) = 0;
+};
+
+#endif // __VIDEOMODELOBSERVER_H