// 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 __TIMEZONE_SESSION_H__

#define __TIMEZONE_SESSION_H__

#include <e32base.h>

#include "tzuserdatacache.h"

class CTzServer;

/*

@internalComponent

*/

class CTzServerSession : public CSession2

	{

public:

	static CTzServerSession* NewL();

	~CTzServerSession();

private:

	CTzServerSession();

	void ConstructL();

public:

	// completes a pending client notifier

	void NotifyTZStatusChange(RTz::TTzChanges aChange, const TAny* aRequester);

private:	// from CSession2

	void ServiceL(const RMessage2& aMessage);

private:

	// Registers to receive notification to time and zone changes in the

	// Server

	TInt doRegisterTzChangeNotifier(const RMessage2& aMessage);

	TInt doCancelRequestForTzChangeNoticeL(const RMessage2& aMessage);

	TInt doSetTimeZoneL(const RMessage2& aMessage);

	TInt doGetLocalTimeZoneIdL(const RMessage2& aMessage);

	TInt doGetLocalEncodedTimeZoneRulesL(const RMessage2& aMessage);

	TInt doGetLocalEncodedTimeZoneRulesSizeL(const RMessage2& aMessage);

	TInt doGetForeignEncodedTimeZoneRulesL(const RMessage2& aMessage);

	TInt doGetForeignEncodedTimeZoneRulesSizeL(const RMessage2& aMessage);

	TInt doGetTimeZoneFormatL(const RMessage2& aMessage);

	TInt doConvertLocalZoneTimeL(const RMessage2& aMessage);

	TInt doConvertForeignZoneTimeL(const RMessage2& aMessage);

	TInt doGetOffsetsForTimeZoneIdsL(const RMessage2& aMessage) const;

    TInt doSetAutoUpdateBehaviorL(const RMessage2& aMessage);

	TInt doIsDaylightSavingOnL(const RMessage2& aMessage);

	TInt doAutoUpdateSettingL(const RMessage2& aMessage);

	TInt doNotifyHomeTimeZoneChanged(const RMessage2& aMessage);

	TInt doSetHomeTimeL(const RMessage2& aMessage);

	TInt doSetUnknownZoneTimeL(const RMessage2& aMessage);

	TInt doCreateUserTimeZoneL(const RMessage2& aMessage);

    TInt doUpdateUserTimeZoneL(const RMessage2& aMessage);

    TInt doDeleteUserTimeZoneL(const RMessage2& aMessage);

    TInt doGetUserTimeZoneNamesL(const RMessage2& aMessage);

    TInt doGetUserTimeZoneNamesSizeL(const RMessage2& aMessage);

    TInt doGetUserTimeZoneIdsL(const RMessage2& aMessage);

    TInt doGetUserTimeZoneIdsSizeL(const RMessage2& aMessage);

    TInt doGetHeapSizeL(const RMessage2& aMessage);

    TInt doLocalizationReadCitiesSizeL(const RMessage2& aMessage);

    TInt doLocalizationReadCitiesTzIdSizeL(const RMessage2& aMessage);

    TInt doLocalizationReadCitiesInGroupSizeL(const RMessage2& aMessage);

    TInt doLocalizationReadCitiesL(const RMessage2& aMessage);

    TInt doLocalizationReadFrequentlyUsedZoneSizeL(const RMessage2& aMessage);

    TInt doLocalizationReadFrequentlyUsedZoneL(const RMessage2& aMessage);

    TInt doLocalizationReadCachedTimeZoneCitySizeL(const RMessage2& aMessage);

    TInt doLocalizationReadCachedTimeZoneCityL(const RMessage2& aMessage);

    TInt doLocalizationCloseDb();

    TInt doLocalizationOpenDbL();

    TInt doLocalizationWriteCityL(const RMessage2& aMessage);

    TInt doLocalizationDeleteCityL(const RMessage2& aMessage);

    TInt doLocalizationWriteFrequentlyUsedZoneL(const RMessage2& aMessage);

    TInt doLocalizationWriteAllFrequentlyUsedZonesL(const RMessage2& aMessage);

    TInt doSwiObsBeginL(const RMessage2& aMessage);

    TInt doSwiObsFileChangedL(const RMessage2& aMessage);

    TInt doSwiObsEndL(const RMessage2& aMessage);

    const CTzServer* TzServer() const;

    static void CleanupTimeZonePointerArray(TAny* aArray);

    static void CleanupCityPointerArray(TAny* aArray);

private:

	RMessage2 iClientMessage;	// last client requesting change notification

	TBool iPendingRequest;

	CTzUserDataCache* iTzUserDataCache;

	/**

	Used in the functions where the client first requests the size of the result and then

	gets the result once it has allocated a buffer that can hold the result 

	(see doLocalizationReadCitiesL).

	*/

	RPointerArray<CTzLocalizedCityRecord> iCitiesResultCache;

	/**

	Used to cache the result for doLocalizationReadFrequentlyUsedZoneL.

	*/

	CTzLocalizedTimeZoneRecord* iTimeZoneResultCache;

	/**

	Used to cache the result for doLocalizationReadCachedTimeZoneCityL.

	*/

	CTzLocalizedCityRecord* iCityResultCache;

	};

#endif