// Copyright (c) 1997-2009 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 __tzchangenotifier_h__

#define __tzchangenotifier_h__

#include <e32base.h>

class RTz;

class CTzConverter;

class CTzRuleHolder;

//-------------------------------------------------------------------------

/**

Observes the Time Zone Server and relays change notification of time zone

to the rules holder so it can clear its cache.

@internalComponent

@since 9.1

*/

class CTzChangeNotifier : public CActive

	{

public:

	~CTzChangeNotifier();

	static CTzChangeNotifier* NewL( CTzRuleHolder& aRulesHolder );

	TInt StartObserving();

	void StopObserving();

	void RunIfReadyL();

private:

    inline CTzChangeNotifier( CTzRuleHolder& aRulesHolder );

	// from CActive

	virtual void RunL();

	virtual void DoCancel();

private:

    CTzRuleHolder& iRulesHolder;

	};

inline CTzChangeNotifier::CTzChangeNotifier( CTzRuleHolder& aRulesHolder ) :

		CActive       (CActive::EPriorityStandard), 

		iRulesHolder  (aRulesHolder)

		{

		}

#endif