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web_pub/favourites_engine_api/inc/FavouritesDbNotifier.h
author Mikko Sunikka <mikko.sunikka@nokia.com>
Fri, 06 Nov 2009 13:15:00 +0200
changeset 18 a758fa0cb043
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permissions -rw-r--r--
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/*
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* Copyright (c) 2004 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 the License "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:  Declaration of FavouritesDbNotifier
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*
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*/
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#ifndef FAVOURITES_DB_NOTIFIER_H













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#define FAVOURITES_DB_NOTIFIER_H













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//  INCLUDES













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#include <FavouritesHandle.h>













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// FORWARD DECLARATIONS













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class RFavouritesDb;













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// CLASS DECLARATION













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/**













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* RFavouritesDbNotifier is the Favourites database change notifier 













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* for the Favourites Engine. It provides notification of database changes.













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*/













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class RFavouritesDbNotifier: public RFavouritesHandle













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    {













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    public:     // update













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        /**













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        * Open the notifier.













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        * @since 0.9 













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        * @param aDb The database to be watched.













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        * @return Error code.













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        */













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        IMPORT_C TInt Open( RFavouritesDb& aDb );













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        /**













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        * Request notification about all database events.













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        * @since 0.9 













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        * @param aStatus Request status.













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        * @return void 













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        */













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        IMPORT_C void NotifyAllEvents( TRequestStatus& aStatus );













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        /**













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        * Request notification about database changes.













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        * @since 0.9 













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        * @param aStatus Request status.













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        * @return void













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        */













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        IMPORT_C void NotifyChange( TRequestStatus& aStatus );













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        /**













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        * Cancel the outstanding request (if any).













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        * @since 0.9 













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        * @return void













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        */













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        IMPORT_C void Cancel();













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    };













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#endif













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// End of File















MCL/sf/mw/web