diff -r 000000000000 -r ba25891c3a9e ncdengine/inc/ncdnodeseenfolder.h --- /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 NewNodesL( TInt aLevels ) const = 0; + +protected: + + /** + * Destructor. + * + * @see MCatalogsBase::~MCatalogsBase + */ + virtual ~MNcdNodeSeenFolder() {} + + }; + + +#endif // M_NCDNODESEENFOLDER_H