1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/security/cryptomgmtlibs/securityutils/inc/callbacktimer.h	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,71 @@
     1.4 +/*
     1.5 +* Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.6 +* All rights reserved.
     1.7 +* This component and the accompanying materials are made available
     1.8 +* under the terms of the License "Eclipse Public License v1.0"
     1.9 +* which accompanies this distribution, and is available
    1.10 +* at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.11 +*
    1.12 +* Initial Contributors:
    1.13 +* Nokia Corporation - initial contribution.
    1.14 +*
    1.15 +* Contributors:
    1.16 +*
    1.17 +* Description: 
    1.18 +* Contains functionality for a callback timer
    1.19 +*
    1.20 +*/
    1.21 +
    1.22 +
    1.23 +/**
    1.24 + @file
    1.25 + @publishedPartner
    1.26 + @released
    1.27 +*/
    1.28 +
    1.29 +#ifndef __CALLBACKTIMER_H__
    1.30 +#define __CALLBACKTIMER_H__
    1.31 +
    1.32 +#include <e32base.h>
    1.33 +
    1.34 +/**
    1.35 + * Interface class for using the services of CCallbackTimer
    1.36 + */
    1.37 +class MTimerObserver
    1.38 +	{
    1.39 +public:
    1.40 +	virtual ~MTimerObserver() {};
    1.41 +
    1.42 +	/**
    1.43 +	 * Call back function to handle the expiry of the timer
    1.44 +	 * @param aError	KErrNone if timer expired normally else any of the system-wide error codes to indicate a system error
    1.45 +	 */
    1.46 +	virtual void TimerRun(TInt aError) = 0;
    1.47 +	};
    1.48 +
    1.49 +/**
    1.50 + * A timer class that provides a call back on timer expiry
    1.51 + */
    1.52 +class CCallbackTimer : public CTimer
    1.53 +	{
    1.54 +	public:
    1.55 +
    1.56 +	/**
    1.57 +	 * 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.
    1.58 +	 * @param aCallBackIf			Callback interface that implements TimerRun() function
    1.59 +	 * @param aEnableCancelCallback	If ETrue cancel events (client initiated by calling Cancel() method) are notified. Default is EFalse
    1.60 +	 */
    1.61 +	IMPORT_C static CCallbackTimer* NewL(MTimerObserver& aCallBackIf, TBool aEnableCancelCallback = EFalse);
    1.62 +
    1.63 +private:
    1.64 +	CCallbackTimer(MTimerObserver& aCallBackIf, TBool aEnableCancelCallback);
    1.65 +
    1.66 +	// Methods from CTimer/CActive
    1.67 +	void RunL();
    1.68 +
    1.69 +private:
    1.70 +	MTimerObserver& iCallBackIf;
    1.71 +	TBool iEnableCancelCallback;
    1.72 +	};
    1.73 +
    1.74 +#endif // __CALLBACKTIMER_H__