// Copyright (c) 2004-2009 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:

 //

 #ifndef __ANIMATIONTICKER_H__

 #define __ANIMATIONTICKER_H__

 #include <e32base.h>

 class MAnimationTickee;

 /** This provides timing information for animators.

 You do not need to instantiate an object of this type unless you are writing a

 new animation type.

 @see MAnimationTickee

 @see CAnimationTls

 @publishedAll

 @released*/

 NONSHARABLE_CLASS(CAnimationTicker) : public CBase

 	{

 public:

     IMPORT_C static CAnimationTicker* NewL(TTimeIntervalMicroSeconds32 aTickLength = 100000);

     IMPORT_C ~CAnimationTicker();

 	IMPORT_C TInt Add(MAnimationTickee* aTickee);

 	IMPORT_C TInt Remove(MAnimationTickee* aTickee);

 	IMPORT_C void Freeze();

 	IMPORT_C void Unfreeze();

 	/** This provides the resolution of the timer.

 	@return iTickLength The resolution of the timer */

 	inline const TTimeIntervalMicroSeconds32& TickLength() const { return iTickLength; }

 	void OnTick();

 protected:

 	IMPORT_C virtual void CAnimationTicker_Reserved1();

 	IMPORT_C virtual void CAnimationTicker_Reserved2();

 private:

 	TInt iCAnimationTicker_Reserved;

 private:

 	CAnimationTicker();

 	void ConstructL(TTimeIntervalMicroSeconds32 aTickLength);

 	void StartTickingL();

 	void StopTicking();

 private:

 	TInt iFreeze;

 	TTimeIntervalMicroSeconds32 iTickLength;

 	CPeriodic* iPeriodic;

 	RPointerArray<MAnimationTickee> iTickees;

 	};

 #endif //__ANIMATIONTICKER_H__