--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/phonebookui/Phonebook2/inc/CPbk2ViewStateTransformer.h	Tue Feb 02 10:12:17 2010 +0200
@@ -0,0 +1,75 @@
+/*
+* Copyright (c) 2005-2007 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:  Phonebook 2 view state transformer.
+*
+*/
+
+#ifndef CPBK2VIEWSTATETRANSFORMER_H
+#define CPBK2VIEWSTATETRANSFORMER_H
+
+// INCLUDES
+#include <e32base.h>
+
+// FORWARD DECLARATIONS
+class CVPbkContactManager;
+class CPbk2ViewState;
+
+// CLASS DECLARATION
+
+/**
+ * Phonebook 2 view state transformer.
+ * Converts a legacy Phonebook view state to the new format.
+ */
+class CPbk2ViewStateTransformer : public CBase
+    {
+    public: // Construction and destruction
+
+        /**
+         * Creates a new instance of this class.
+         *
+         * @param aContactManager   Virtual Phonebook contact manager.
+         * @return  A new instance of this class.
+         */
+        IMPORT_C static CPbk2ViewStateTransformer* NewLC(
+                CVPbkContactManager& aContactManager );
+
+        /**
+         * Destructor.
+         */
+        ~CPbk2ViewStateTransformer();
+
+    public: // Interface
+
+        /**
+         * Converts legacy Phonebook view state to the new v2 format.
+         *
+         * @param aCustomMessage    Custom message containing the legacy
+         *                          view state.
+         * @return  Converted view state in Phonebook 2 format.
+         */
+        IMPORT_C CPbk2ViewState* TransformLegacyViewStateToPbk2ViewStateLC(
+                const TDesC8& aCustomMessage );
+
+    private: // Implementation
+        CPbk2ViewStateTransformer(
+                CVPbkContactManager& aContactManager );
+
+    private: // Data
+        /// Ref: Virtual Phonebook contact manager
+        CVPbkContactManager& iContactManager;
+    };
+
+#endif // CPBK2VIEWSTATETRANSFORMER_H
+
+// End of File