1 // Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 #ifndef __ANIMATIONTICKER_H__

    17 #define __ANIMATIONTICKER_H__

    18 

    19 #include <e32base.h>

    20 

    21 class MAnimationTickee;

    22 

    23 /** This provides timing information for animators.

    24 

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

    26 new animation type.

    27 

    28 @see MAnimationTickee

    29 @see CAnimationTls

    30 @publishedAll

    31 @released*/

    32 NONSHARABLE_CLASS(CAnimationTicker) : public CBase

    33 	{

    34 public:

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

    36     IMPORT_C ~CAnimationTicker();

    37     

    38 	IMPORT_C TInt Add(MAnimationTickee* aTickee);

    39 	IMPORT_C TInt Remove(MAnimationTickee* aTickee);

    40 	IMPORT_C void Freeze();

    41 	IMPORT_C void Unfreeze();

    42 	

    43 	/** This provides the resolution of the timer.

    44 	@return iTickLength The resolution of the timer */

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

    46 	void OnTick();

    47 protected:

    48 	IMPORT_C virtual void CAnimationTicker_Reserved1();

    49 	IMPORT_C virtual void CAnimationTicker_Reserved2();

    50 private:

    51 	TInt iCAnimationTicker_Reserved;

    52 private:

    53 	CAnimationTicker();

    54 	void ConstructL(TTimeIntervalMicroSeconds32 aTickLength);

    55 	void StartTickingL();

    56 	void StopTicking();

    57 private:

    58 	TInt iFreeze;

    59 	TTimeIntervalMicroSeconds32 iTickLength;

    60 	CPeriodic* iPeriodic;

    61 	RPointerArray<MAnimationTickee> iTickees;

    62 	};

    63 

    64 #endif //__ANIMATIONTICKER_H__