--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/phonebookengines/VirtualPhonebook/VPbkCntModel/inc/MContactFilterObserver.h	Tue Feb 02 10:12:17 2010 +0200
@@ -0,0 +1,65 @@
+/*
+* Copyright (c) 2002-2007 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:  The virtual phonebook contact filter observer interface
+*
+*/
+
+
+#ifndef MCONTACTFILTEROBSERVER_H
+#define MCONTACTFILTEROBSERVER_H
+
+// INCLUDES
+
+// FORWARD DECLARATIONS
+class MVPbkStoreContact;
+class MVPbkContactLinkArray;
+
+namespace VPbkCntModel 	{
+
+/**
+ * The virtual phonebook contact filter observer interface
+ */
+NONSHARABLE_CLASS( MContactFilterObserver )
+	{
+	public: 
+		/**
+		 * Called when one contact has retrieved.
+		 * If aContact meets requirements of the client returns ETrue,
+		 * otherwise EFalse.
+		 * @param aContact candidate of filtering
+		 */
+		virtual TBool IsIncluded(MVPbkStoreContact& aContact) = 0;
+		
+		/**
+		 * Called when filtering process is done.
+		 * Link array of filtered contacts.
+		 * If function leaves the FilteringError will
+		 * be called with propriate error code.
+		 * The ownership of the array is transferred to client.
+		 * @param aLinkArray Link array of filtered contacts.
+		 */
+		virtual void FilteringDoneL(MVPbkContactLinkArray* aLinkArray) = 0;
+		
+		/**
+		 * Called when error occurs in filtering process.
+		 * @param aError error code
+		 */
+		virtual void FilteringError(TInt aError) = 0;			 
+	};
+
+} // namespace VPbkCntModel
+
+#endif // MCONTACTFILTEROBSERVER_H
+
+// End of file