--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ncdengine/inc/ncdnodeuserdata.h	Thu Dec 17 08:51:10 2009 +0200
@@ -0,0 +1,85 @@
+/*
+* 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:   Contains MNcdNodeUserData
+*
+*/
+
+
+#ifndef M_NCD_NODE_USER_DATA_H
+#define M_NCD_NODE_USER_DATA_H
+
+
+#include <e32cmn.h>
+
+#include "catalogsbase.h"
+#include "ncdinterfaceids.h"
+
+
+/**
+ *  Provides functions to handle the user data of the node.
+ *  User data is meant for clients side to save some custom information
+ *  relating to a node. So, client can also read its own settings from engine
+ *  by using functions provided by this interface. For example, if the
+ *  client wants to set the node hidden and save this value to the node it may
+ *  use user data functions.
+ *
+ *  The format of the data is entirely up to the client. The engine saves
+ *  the user data as a single binary data entry.
+ *
+ *  
+ */
+class MNcdNodeUserData : public virtual MCatalogsBase
+    {
+
+public:
+
+    /**
+     * Unique identifier for the interface, required for all MCatalogsBase interfaces.
+     *
+     * 
+     */
+    enum { KInterfaceUid = ENcdNodeUserDataUid };
+
+    /**
+     * Gives the user data that has been saved in database for the node.
+     *
+     * @return User data.
+     * Ownership of the heap descriptor is transferred to the caller. If the
+     * node has no user data set, a NULL pointer is returned.
+     * @exception Leave System wide error codes.
+     */
+    virtual HBufC8* UserDataL() const = 0;
+
+    /**
+     * Sets user data for the node.
+     * 
+     * @param aData is the data that is saved to the node information. If NULL,
+     *  clears the previously set user data. Ownership of aData is not transferred.
+     * @exception Leave System wide error codes.
+     */
+    virtual void SetUserDataL( const TDesC8* aData ) = 0;    
+
+protected:
+
+    /**
+    * Destructor.
+    *
+    * @see MCatalogsBase::~MCatalogsBase
+    */
+    virtual ~MNcdNodeUserData() {}
+
+    };
+
+
+#endif // M_NCD_NODE_USER_DATA_H