// 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_SERVER_H__

#define __TIMEZONE_SERVER_H__

#include <e32base.h>

#include <e32std.h>

#include <s32file.h>

#include <tz.h>

#include "tzconfigagent.h"

#include "tzlocalizationdb.h"

#include "tzswiobserver.h"

const TUint KTimeZoneServerMajorVersion = 0;

const TUint KTimeZoneServerMinorVersion = 1;

const TUint KTimeZoneServerBuildVersion = 1;

// Structures

struct TRendezvous

	{

	TThreadId iId;

	TRequestStatus* iStatus;

	};

class CTzServer;

class CTzUserDataDb;

class CTzUserDataCache;

#define KCapabilityNone 0

#define KCapabilityWriteDeviceData 1000

#define KCapabilityReadUserData 2000

#define KCapabilityWriteUserData 3000

_LIT(KTimeZoneServerName,"!TzServer");

/* CTzServer

@internalComponent

*/

class CTzServer : public CPolicyServer, public MTZCfgAgentObserver

	{

public:

	enum TFunctionCode

		{

		EGetLocalTimeZoneId = KCapabilityNone,

		EConvertLocalZoneTime,

		EConvertForeignZoneTime,

		EGetLocalEncodedTimeZoneRulesSize,

		EGetLocalOlsenEncodedTimeZoneRulesSize,

		EGetForeignEncodedTimeZoneRulesSize,

		EGetLocalEncodedTimeZoneRules,

		EGetLocalOlsenEncodedTimeZoneRules,

		EGetForeignEncodedTimeZoneRules,

		EGetTimeZoneFormat,

		ERegisterTimeChangeNotifier,

		ECancelRequestforNotice,

		ESrvOpcodeResourceCount,

		ESrvOpcodeSetHeapFailure,

		EGetOffsetsForTimeZoneIds,

		EIsDaylightSavingOn,

		EAutoUpdate,

		EGetUserTimeZoneNamesSize,

		EGetUserTimeZoneNames,

		EGetUserTimeZoneIds,

		EGetUserTimeZoneIdsSize,

		ESwiObsBegin,

		ESwiObsFileChanged,

		ESwiObsEnd,

		ESrvOpcodeResetHeap,

		ESetTimeZone = KCapabilityWriteDeviceData,

		EEnableAutoUpdate,  // Also has WriteDeviceData capability.

		ENotifyHomeTimeZoneChanged,

		ESetHomeTime,

		ESetUnknownZoneTime,

		ECreateUserTimeZone,

        EUpdateUserTimeZone,

        EDeleteUserTimeZone,

        ELocalizationReadCitiesSize = KCapabilityReadUserData,

        ELocalizationReadCitiesTzIdSize,

        ELocalizationReadCitiesInGroupSize,

        ELocalizationReadCities,

        ELocalizationReadFrequentlyUsedZoneSize,

        ELocalizationReadFrequentlyUsedZone,

        ELocalizationReadCachedTimeZoneCitySize,

        ELocalizationReadCachedTimeZoneCity,

        ELocalizationOpenDb = KCapabilityWriteUserData,

        ELocalizationCloseDb,

        ELocalizationWriteCity,

        ELocalizationDeleteCity,

        ELocalizationWriteFrequentlyUsedZone,

        ELocalizationWriteAllFrequentlyUsedZones,

		ENotSupported

		};

public:

	static CTzServer* NewL();

	~CTzServer();

private:

	CTzServer(TInt aPriority);

	void ConstructL();

public:

	inline CTzConfigAgent& TimeZoneManager() const;

	inline CTzUserDataDb& UserTimeZoneDb() const; 

	inline CTzLocalizationDb& LocalizationDb() const;

	inline CTzSwiObserver& SwiObserver() const;

	void SessionClosed() const;

	void SessionAdded() const;	// required to be const to avoid compiler error

	void Error(TInt aError);

private:

	// from MTZCfgAgentObserver

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

	virtual CSession2* NewSessionL(const TVersion& aVersion, const RMessage2& aMessage) const;

private:

	mutable TInt iSessionCount;

	CTzConfigAgent* iTimeZoneMgr;

	CTzUserDataDb* iTzUserDataDb;

	CTzLocalizationDb* iTzLocalizationDb;

	CTzSwiObserver* iTzSwiObserver;

	};

//

// Active scheduler

//

class CTZSrvScheduler : public CActiveScheduler

	{

public:

	~CTZSrvScheduler();

	static CTZSrvScheduler* NewL();

private:

	// from CActiveScheduler

	virtual void Error(TInt aError) const;

private:

	CTzServer* iServer;

	};

inline CTzConfigAgent& CTzServer::TimeZoneManager() const 

	{

	return *iTimeZoneMgr;

	}

inline CTzUserDataDb& CTzServer::UserTimeZoneDb() const 

	{

	return *iTzUserDataDb;

	}

inline CTzLocalizationDb& CTzServer::LocalizationDb() const

	{

	return *iTzLocalizationDb;

	}

inline CTzSwiObserver& CTzServer::SwiObserver() const

	{

	return *iTzSwiObserver;

	}

#endif