--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/videocollection/videocollectionwrapper/inc/videodeleteworker.h	Fri Apr 16 14:59:52 2010 +0300
@@ -0,0 +1,176 @@
+/*
+* 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: VideoDeleteWorker class definition*
+*/
+
+#ifndef __VIDEODELETEWORKER_H__
+#define __VIDEODELETEWORKER_H__
+
+
+// INCLUDES
+#include <QObject>
+#include <qvariant.h>
+#include <qset.h>
+#include <qlist.h>
+#include <e32const.h>
+#include <mpxitemid.h>
+
+// FORWARD DECLARATIONS
+class QTimer;
+class VideoListDataModelPrivate;
+class VideoCollectionClient;
+
+
+class VideoDeleteWorker : public QObject
+{    
+    /**
+     * define to be able to use signals and slots
+     */
+    Q_OBJECT
+    
+    /**
+     * disable copy-constructor and assignment operator
+     */
+	Q_DISABLE_COPY(VideoDeleteWorker) 
+    
+public: 
+
+	/**
+	 * Default constructor
+     */
+    VideoDeleteWorker(VideoCollectionClient &collection, QObject *parent = 0);	
+	
+	/**
+     * Destructor
+     */
+	~VideoDeleteWorker();
+	
+	/**
+	 * Sets items into mRemoveBuffer. And starts deleting of items in 
+	 * blocks using mRequestWaitTimer interval
+	 * 
+	 * @param itemList items to be deleted
+	 */
+	void requestDelete(const QList<TMPXItemId> &itemList);
+	
+	/**
+	 * Removes item from the delete and pending buffer
+	 * 
+	 * @param itemId item id to removed
+	 * 
+	 * @returns a coutn of remaining requests
+	 */
+	int removeFromRequest(TMPXItemId &itemId);
+	
+	/**
+	 * returns true in case there are items at the delete buffer 
+	 * 
+	 * @return bool
+	 */
+	bool isDeleting();
+	
+	/**
+	 * Updates error status
+	 * 
+	 * @param status value to update
+	 * @param data data to update
+	 * 
+	 */
+	void updateStatus(int status, QVariant data);
+	
+	/**
+	 * returns latest status and data
+	 * 
+	 * @param data to return
+	 * 
+	 * @return status code
+	 */
+	int getLastStatus(QVariant &data);
+	
+	/**
+	 * method resets status and statusdatas
+	 */
+	void clearStatus();
+	
+public slots:
+
+	/**
+     * Continues deleting in case there are items 
+     * yet to be deleted
+     */
+    void continueSlot();
+	
+private:
+	
+	/**
+	 * methods dumps all remaining deletes to collection
+	 * without caring the result codes.
+	 */
+	void flushAll();
+		
+private slots:
+
+    /**
+     * creates a block of deleted items and calls collection 
+     * to startup deletion
+     */
+    void execDeleteBlockSlot();
+    
+    
+    
+signals:
+    
+    /**
+     * Emitted if some delete startup fails.
+     * 
+     * @param list of item ids whose edletion does not start
+     */
+    void deleteStartupFailed(QList<TMPXItemId>);
+	
+private:
+    
+	/**
+     * reference to collection client.
+     * Not own.
+     */
+    VideoCollectionClient &mCollectionClient;
+	
+	/**
+	 * buffer for items to be removed 
+	 */
+	QSet<TMPXItemId> mRemoveBuffer;
+	
+	/**
+	 * timer whose interval is used between delete 
+	 * requests to collection
+	 */
+	QTimer *mRequestWaitTimer;
+	
+	/**
+	 * last error status 
+	 */
+	int mLastStatus;
+	
+	/**
+	 * last error data 
+	 */
+	QVariant mLastStatusData;
+   
+};
+#endif  // __VIDEODELETEWORKER_H__
+
+// End of file
+    
+
+