diff -r 000000000000 -r 2c201484c85f cryptomgmtlibs/securityutils/inc/callbacktimer.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/cryptomgmtlibs/securityutils/inc/callbacktimer.h Wed Jul 08 11:25:26 2009 +0100 @@ -0,0 +1,73 @@ +/* +* Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies). +* All rights reserved. +* This component and the accompanying materials are made available +* under the terms of the License "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 functionality for a callback timer +* +*/ + + + + +/** + @file + @internalTechnology + @released +*/ + +#ifndef __CALLBACKTIMER_H__ +#define __CALLBACKTIMER_H__ + +#include + +/** + * Interface class for using the services of CCallbackTimer + */ +class MTimerObserver + { +public: + virtual ~MTimerObserver() {}; + + /** + * Call back function to handle the expiry of the timer + * @param aError KErrNone if timer expired normally else any of the system-wide error codes to indicate a system error + */ + virtual void TimerRun(TInt aError) = 0; + }; + +/** + * A timer class that provides a call back on timer expiry + */ +class CCallbackTimer : public CTimer + { + public: + + /** + * Create and return a new instance of the CCallbackTimer. An ongoing timer operation can be cancelled by the client by calling the Cancel() method on this object. + * @param aCallBackIf Callback interface that implements TimerRun() function + * @param aEnableCancelCallback If ETrue cancel events (client initiated by calling Cancel() method) are notified. Default is EFalse + */ + IMPORT_C static CCallbackTimer* NewL(MTimerObserver& aCallBackIf, TBool aEnableCancelCallback = EFalse); + +private: + CCallbackTimer(MTimerObserver& aCallBackIf, TBool aEnableCancelCallback); + + // Methods from CTimer/CActive + void RunL(); + +private: + MTimerObserver& iCallBackIf; + TBool iEnableCancelCallback; + }; + +#endif // __CALLBACKTIMER_H__