/*

* Copyright (c) 2006-2007 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:    The pause handling control for the slideshow

 *

*/

#ifndef SHWTICKER_H

#define SHWTICKER_H

#include <e32base.h>

#include <e32std.h>

class MShwTickObserver;

NONSHARABLE_CLASS(CShwTicker) : public CActive

	{

public:

	/**

	 * NewL

	 * 2phased constructor

	 * @param MShwTickObserver&

	 */ 

	static CShwTicker* NewL(MShwTickObserver& aObserver);

	/**

	 * StartTicking

	 * set the ticker

	 * @param interval in seconds

	 */ 

	void StartTicking(TInt aAfter);

	/**

	 * CancelTicking

	 * Cancel a tick

	 */ 

	void CancelTicking();

	/**

	 * ~CShwTicker

	 * Standard c++ destructor

	 */ 

	~CShwTicker();

private:

	/**

	 * CShwTicker

	 * C++ constructor

	 */ 

	CShwTicker(MShwTickObserver& aObserver);

	/**

	 * ConstructL

	 * 2nd Phase constructor

	 */ 

	void ConstructL();

	/**

	 * RunL

	 * see @ref CActive

	 */ 

	void RunL();

	/**

	 * DoCancel

	 * see @ref CActive

	 */ 

	void DoCancel();

private:

	/** */

	MShwTickObserver& iObserver;

	RTimer iTimer;

	};

#endif//SHWTICKER_H