--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ncdengine/inc/ncdnodeseenfolder.h	Thu Dec 17 08:51:10 2009 +0200
@@ -0,0 +1,87 @@
+/*
+* Copyright (c) 2007-2008 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 MNcdNodeSeenFolder
+*
+*/
+
+
+#ifndef M_NCDNODESEENFOLDER_H
+#define M_NCDNODESEENFOLDER_H
+
+#include "catalogsbase.h"
+#include "ncdinterfaceids.h"
+#include "catalogsarray.h"
+
+class MNcdNode;
+
+/**
+ * This interface provides functions to obtain unseen child nodes of a folder and
+ * to set them seen. This interface can be queried from a folder node.
+ *
+ * 
+ */
+class MNcdNodeSeenFolder : public virtual MCatalogsBase
+    {
+
+public:
+
+    /**
+     * Unique identifier for the interface, required for all MCatalogsBase interfaces.
+     *
+     * 
+     */
+    enum { KInterfaceUid = ENcdNodeSeenFolderUid };
+    
+    /**
+     * Sets the child nodes of the folder as seen. Only the immediate children are set.
+     *
+     * @leave System wide error code.
+     */
+    virtual void SetContentsSeenL() = 0;    
+    
+    /**
+     * Returns the number of new child nodes. All the nodes that are unseen are
+     * regarded as new.
+     *
+     * @param aLevels The number of node hierarchy levels the new nodes are searched from.
+     * 1 means only the children of this node are searched.
+     * @return The number of new items.
+     * @leave System wide error code.
+     */
+    virtual TInt NewCountL( TInt aLevels ) const = 0;
+    
+    /**
+     * Returns an array of the new child nodes. All the nodes that are unseen are
+     * regarded as new.
+     *
+     * The nodes in the array are counted, they must be released after use.
+     *
+     * @param aLevels The number of node hierarchy levels the new nodes are searched from.
+     * 1 means only the children of this node are searched.
+     */
+    virtual RCatalogsArray<MNcdNode> NewNodesL( TInt aLevels ) const = 0;
+    
+protected:
+
+    /**
+    * Destructor.
+    *
+    * @see MCatalogsBase::~MCatalogsBase
+    */
+    virtual ~MNcdNodeSeenFolder() {}
+
+    };
+
+
+#endif // M_NCDNODESEENFOLDER_H