--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/realtimenetprots/sipfw/SIP/LightWeightTimer/src/singletimer.h	Tue Feb 02 01:03:15 2010 +0200
@@ -0,0 +1,144 @@
+/*
+* Copyright (c) 2005-2009 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:
+* Name          : singletimer.h
+* Part of       : LightWeightTimer
+* Private header file for the Lightweight timer subsystem.
+* Version       : SIP/4.0
+*
+*/
+
+
+
+
+/**
+ @internalComponent
+*/
+
+#ifndef C_SINGLETIMER_H
+#define C_SINGLETIMER_H
+
+// INCLUDES
+#include <e32base.h>
+#include "Lwtimer.h"
+
+// FORWARD DECLARATIONS
+class MTimerNotifier;
+
+// CLASS DECLARATION
+/*
+ * The only Timer object used by the timer subsystem.
+ */
+class CSingleTimer : public CActive
+	{
+public: // Enumerations
+
+    enum TTimerDuration
+        {
+		//Longest time (in milliseconds) that can be used with RTimer::After
+		KMaxTimerAfterDuration = 2146500,
+
+		//Duration of the internal timer, in milliseconds
+        KInternalTimerDuration = KMaxTimerAfterDuration - 5000
+        };
+
+public: // Constructors and destructor
+
+	/**
+	 * A new timer instance is created.
+	 *
+	 * @param aObserver When the timer expires, this callbak is used.
+	 * @return new CSingleTimer object, ownership is transferred.
+	 */
+	static CSingleTimer* NewL(MTimerNotifier& aObserver);
+
+	~CSingleTimer();
+
+public: // From CActive
+
+	void DoCancel();
+	
+	void RunL();
+	
+	TInt RunError(TInt aError);	
+
+public: // New functions
+
+	/**
+	 * Set timer to expired after the specified amount of time (aDelay)
+	 *
+	 * @param aDelay Duration in milliseconds
+	 * @param aTimerId TimerId for the timer	 
+	 */
+	void SetAfter(TUint32 aDelay, TTimerId aTimerId);	
+
+	/**
+	 * Obtain the TimerId of the currently running timer.
+	 *	 
+	 * @return TimerId of the currently running timer.
+	 */
+	TTimerId TimerId() const;
+	
+private: // Enumerations
+
+	//These are estimates how much delay the RTimer::After has in different
+	//platforms. Unit is milliseconds.
+	enum TTimerDelay
+		{
+		KEmulatorDelay = 100,
+		KTargetHwDelay = 15
+		};
+
+private: // Constructors
+
+	CSingleTimer(MTimerNotifier& aObserver);
+
+	void ConstructL();
+
+private: // For internal use
+
+	/**
+	 * Makes the CSingleTimer expire as soon as possible. Sets CSingleTimer
+	 * active and immediately completes the request, without setting the RTimer
+	 * at all. This causes active scheduler to call CSingleTimer::RunL much
+	 * quicker than by using RTimer::After(0) which would take at least the
+	 * platform dependent delay.
+	 */
+	void ExpireImmediately();
+
+private: // Data
+
+	//When the timer expires, it is notified using this observer
+	MTimerNotifier& iObserver;
+
+	//Id that is passed in the callback function when timer expires.
+	//User of CSingleTimer can use this value for its own purposes.
+	TTimerId iTimerId;
+
+	//Timer service provider
+	RTimer iTimer;
+
+private: // For testing purposes
+
+	void __DbgTestInvariant() const;
+
+
+#ifdef CPPUNIT_TEST	
+	friend class CSingleTimer_test;
+#endif
+	};
+
+#endif // C_SINGLETIMER_H
+
+// End of File