// 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 the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members

// which accompanies this distribution, and is available

// at the URL "http://www.symbianfoundation.org/legal/licencesv10.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__