/*+
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* Copyright (c) 2007-2008 Nokia Corporation and/or its subsidiary(-ies).+
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* All rights reserved.+
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* This component and the accompanying materials are made available+
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* under the terms of "Eclipse Public License v1.0"+
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* which accompanies this distribution, and is available+
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".+
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*+
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* Initial Contributors:+
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* Nokia Corporation - initial contribution.+
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*+
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* Contributors:+
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*+
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* Description:   Contains MNcdNodeSeen+
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*+
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*/+
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+
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+
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#ifndef M_NCDNODESEEN_H+
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#define M_NCDNODESEEN_H+
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+
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#include "catalogsbase.h"+
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#include "ncdinterfaceids.h"+
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+
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+
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/**+
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 * This interface can be used to set a node as seen, or ask the 'seen' state+
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 * of the node. This is useful if new nodes should be separated from the seen+
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 * ones somehow. This interface can be queried from a node. If the node is+
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 * set as seen, all the nodes that have the same metadata are automatically+
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 * set as seen.+
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 *+
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 * +
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 */+
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class MNcdNodeSeen : public virtual MCatalogsBase+
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    {+
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+
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public:+
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+
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    /**+
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     * Unique identifier for the interface, required for all MCatalogsBase interfaces.+
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     *+
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     * +
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     */+
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    enum { KInterfaceUid = ENcdNodeSeenUid };+
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    +
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    /**+
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     * Tells whether the metadata is seen.+
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     */+
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    virtual TBool IsSeen() const = 0;+
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    +
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    /**+
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     * Sets the node as seen. Note, the effect takes place when the client-server session+
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     * is closed. All the other nodes having the same metadata are set as seen too.+
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     */+
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    virtual void SetSeenL() = 0;+
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    +
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protected:+
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+
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    /**+
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    * Destructor.+
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    *+
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    * @see MCatalogsBase::~MCatalogsBase+
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    */+
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    virtual ~MNcdNodeSeen() {}+
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+
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    };+
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+
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+
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#endif // M_NCDNODESEEN_H+
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