diff -r 8ee96d21d9bf -r 7e0eff37aedb gsprofilesrv_plat/settings_framework_api/inc/GSPubSubsListener.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gsprofilesrv_plat/settings_framework_api/inc/GSPubSubsListener.h Wed Sep 01 12:20:44 2010 +0100 @@ -0,0 +1,129 @@ +/* +* Copyright (c) 2005 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: Listener for Publish and subscribe data. +* +*/ + + + +#ifndef GSPUBSUBSGSETTINGS_H +#define GSPUBSUBSGSETTINGS_H + +// INCLUDES +#include +#include +#include + +// FORWARD DECLARATIONS +class MGSSettingPSObserver; + +// CLASS DECLARATION + +/** +* RProperty poller. +* +* @lib gs.lib +* @since Series 60 3.0 +*/ +NONSHARABLE_CLASS( CGSPubSubsListener ) : public CActive + { + public: // Constructors and destructor + + /** + * Two-phased constructor. + * @param aUid the Uid to use + * @param aKey item's key + * @param aObserver callback interface for notification + * @return instance of CVtEngPubSubsListener + */ + IMPORT_C static CGSPubSubsListener* NewL( const TUid aUid, + const TInt aKey, MGSSettingPSObserver* aObserver ); + + /** + * Destructor. + */ + IMPORT_C virtual ~CGSPubSubsListener(); + + public: // New functions. + + /** + * Gets integer value from P & S. + * @param aVal a value in return + * @return error code + */ + IMPORT_C TInt Get( TInt& aVal ); + + /** + * Gets 8 bit string value from P&S. + * @param aVal a value in return + * @return error code + */ + IMPORT_C TInt Get( TDes8& aVal ); + + /** + * Gets 16 bit descriptor value from P&S. + * @param aVal a value in return + * @return error code + */ + IMPORT_C TInt Get( TDes16& aVal ); + + private: // From CActive. + + /** @see CActive::RunL */ + virtual void RunL(); + + /** @see CActive::Cancel */ + virtual void DoCancel(); + + /** @see CActive::RunError */ + virtual TInt RunError( TInt aError ); + + /** + * Starts the listening (RunL). + */ + void StartListening(); + + private: + + /** + * C++ default constructor. + * @param aUid the Uid to use + * @param aKey item's key + * @param aObserver callback interface for notification + */ + CGSPubSubsListener( const TUid aUid, TInt aKey, + MGSSettingPSObserver* aObserver ); + + /** + * By default Symbian 2nd phase constructor is private. + */ + void ConstructL(); + + private: // Data + + // UID of the monitored item. + TUid iUid; + + // ID of the monitored item. + TInt iId; + + // Property to subscribe to. + RProperty iProperty; + + // The notification interface. + MGSSettingPSObserver* iCallback; + }; + +#endif // GSPUBSUBSGSETTINGS_H +// End of File