/*

* Copyright (c) 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:   The header file for the CClockTimeZoneResolver class.

*

*/

#ifndef __CLOCK_TIMEZONE_RESOLVER_H__ 

#define __CLOCK_TIMEZONE_RESOLVER_H__ 

//System includes

#include <e32base.h>

#include <etelmm.h>

// User includes

#include "clocktimesourceinterface.hrh"

// Forward declarations

class CClockTimeZoneResolverImpl;

class CTzId;

// Constants

const TInt KInvalidTimeZoneId( -1 );

// Literals

_LIT( KInvalidMCC, "9999" );

// Class declaration

/** 

* @class CClockTimeZoneResolver

* @brief An instance of class CClockTimeZoneResolver which provides interfaces to get timezone related data.

* @dll clocktimezoneresolver.dll

*/

class CClockTimeZoneResolver : public CBase

	{

	public:				// New functions

		/**

		* @brief Creates a CClockTimeZoneResolver object

		* @return CClockTimeZoneResolver*

		*/

	    IMPORT_C static CClockTimeZoneResolver* NewL();        								   

		/**

		* @brief Destroy the object and release all memory objects

		*/

		IMPORT_C ~CClockTimeZoneResolver();

	public:				// From base classes

		/**

		* @brief Gets the timezone based on the MCC and NITZ info.

		* @param aTimeInfo Time information got from the plugin.

		* @param aMcc Mobile country code.

		* @param aTzId The matching timezone ID.

		* @return KErrNone if a matching timezone ID is found, KErrNotFound otherwise.

		*/

		IMPORT_C TInt GetTimeZoneL( const STimeAttributes& aTimeInfo, 

				  		   			const RMobilePhone::TMobilePhoneNetworkCountryCode& aMcc,

				  		   			TInt& aTzId );

		/**

		* @brief Find all TzIds for a given MCC with optional matching StdTimeOffset

		* @param aMCC Mobile Country Code to search for

		* @param aTzIdArray Array of CTzID objects to add matching zones to.

		* @param aStdTimeOffset Limit returned zones to zones with a matching offset

		*/

		IMPORT_C void TzIdFromMccL( const RMobilePhone::TMobilePhoneNetworkCountryCode& aMCC,

						   			RArray< CTzId >& aTzIdArray,

						   			const TTimeIntervalMinutes& aStdTimeOffset = -1 );

		/**

		* @brief Find the MCC for a given TzId

		* @param aTzId CTzId to search for

		* @return the MCC of the DST zone, or KErrNotFound if not found.

		*/

		IMPORT_C TInt MCCFromTzIdL( const CTzId& aTzId );

	private:			// New functions

		/** 

		* @brief Symbian OS 2nd phase constructor is private.

		*/

	    void ConstructL();

	private:			// Data

		/**

		* @var iTzResolverImpl 

		* @brief An object of type CClockTimeZoneResolverImpl

		*/

		CClockTimeZoneResolverImpl*				iTzResolverImpl;	

	};

#endif	// __CLOCK_TIMEZONE_RESOLVER_H__

// End of file