--- /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 <e32base.h>
+
+/**
+ * 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__