diff -r 8b0c979bbe8c -r ac5daea24fb0 apengine/apeng/inc/ActiveApDbNotifier.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/apengine/apeng/inc/ActiveApDbNotifier.h Wed Oct 27 17:43:56 2010 +0300 @@ -0,0 +1,93 @@ +/* +* Copyright (c) 2002 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: +* Declares the CActiveApDbNotifier class. +* +*/ + + +#ifndef ACTIVE_AP_DB_NOTIFIER_H +#define ACTIVE_AP_DB_NOTIFIER_H + +// INCLUDES + +#include +#include + + +// FORWARD DECLARATIONS + +class CActiveApDb; + +// CLASS DECLARATION + +/** +* Active object encapsulating an access point database notifier. +* Used by CActiveApDb. +*/ +class CActiveApDbNotifier : public CActive + { + public: // construct / destruct + + /** + * Constructor. + * @param aDb Active access point database to watch for. + */ + CActiveApDbNotifier( CActiveApDb& aDb ); + + /** + * Destructor. + */ + virtual ~CActiveApDbNotifier(); + + protected: // from CActive + /** + * Invoked when the outstanding request completes. + */ + void RunL() ; + + /** + * Implementation of the Cancel protocol; + * cancel any outstanding request. + */ + void DoCancel(); + + public: // new methods + + /** + * Start the notifier. The notification request is automatically + * renewed until it is cancelled, or the database is closed by + * all clients (i.e. released by DBMS). + */ + void Start(); + + /** + * Cancel and close the notifier now. + */ + void Stop(); + + private: + /** + * Request database change notification from the Access Point Engine. + */ + void NotifyChange(); + + private: // data + CActiveApDb* iActiveDb; ///< Pointer to the database. + ///< Does not owns it. + }; + +#endif + +// End of File