clock/clockmw/clocktimezone/inc/timezoneclient.h
author hgs
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/*
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:
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*
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*/
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// timezoneclient.h
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#ifndef __TIMEZONECLIENT_H__
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#define __TIMEZONECLIENT_H__
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// System includes
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#include <qglobal.h>
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#include <QtGui>
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#include <QList>
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#include <QDateTime>
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#include <QMap>
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#include <tz.h>
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#include <bacntf.h>
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// User includes
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#include "clockdatatypes.h"
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#ifdef  TIMEZONECLIENT_LIBRARY
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#define TIMEZONECLIENT_EXPORT Q_DECL_EXPORT
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#else
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#define TIMEZONECLIENT_EXPORT Q_DECL_IMPORT
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#endif
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class CEnvironmentChangeNotifier;
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class QStandardItemModel;
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class CTzLocalizer;
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class XQSettingsManager;
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class XQSettingsKey;
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const int KInitialEvent = (
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		EChangesLocale |
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		EChangesMidnightCrossover |
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		EChangesThreadDeath |
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		EChangesPowerStatus |
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		EChangesSystemTime |
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		EChangesFreeMemory |
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		EChangesOutOfMemory);
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class TIMEZONECLIENT_EXPORT TimezoneClient : public QObject, public CBase
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{
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	Q_OBJECT
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public:
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	/*TIMEZONECLIENT_EXPORT*/ static TimezoneClient* getInstance();
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	/*TIMEZONECLIENT_EXPORT*/ void deleteInstance();
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	/*TIMEZONECLIENT_EXPORT*/ bool isNull();
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	TimezoneClient();
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	~TimezoneClient();
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	static TimezoneClient *mTimezoneClient;
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	static bool mReferenceCount;
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// TODO: still refatoring
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	/*TIMEZONECLIENT_EXPORT*/ 	QList<LocationInfo> &getLocations();
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	/*TIMEZONECLIENT_EXPORT*/ LocationInfo getCurrentZoneInfoL();
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	/*TIMEZONECLIENT_EXPORT*/ void setAsCurrentLocationL(LocationInfo &location);
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	/*TIMEZONECLIENT_EXPORT*/ bool isDSTOnL(int timezoneId);
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	/*TIMEZONECLIENT_EXPORT*/ int getStandardOffset(int timezoneId);
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	QList<LocationInfo> getSavedLocations();
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	void saveLocations(const QList<LocationInfo> &locationList);
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	void getCountries(QMap<QString, int>& countries);
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	bool dstOn(int tzId);
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	void setDateTime(QDateTime dateTime);
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	void setTimeUpdateOn(bool timeUpdate = true);
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	bool timeUpdateOn();
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	QStandardItemModel *locationSelectorModel();
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	void createWorldClockModel();
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	bool checkForDstChange(AlarmInfo& alarmInfo);
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	QList<int> getAllTimeZoneIds();
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	QList<int> getAllTimeZoneOffsets();
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	QList<LocationInfo> getCountriesForUTCOffset(int utcOffset);
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	LocationInfo addCity(int timeZoneId, QString &cityName, int cityGroupId);
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public:
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	static int environmentCallback(TAny* obj);
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signals:
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	void timechanged();
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	void listUpdated();
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	void autoTimeUpdateChanged(int value);
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	void cityUpdated();
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private:
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	int getDstZoneOffset(int tzId);
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	TMonth intToMonth(int month);
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	bool getUtcDstOffsetL(int &dstOffset, const CTzId &tzId);
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	void getDstRulesL(
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			QDateTime &startTime, QDateTime &endTime,int timezoneId);
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	void getCitiesForCountry(
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			int id, QMap<QString, int>& cities);
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	void getLocationInfo(
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			int groupId, int cityIndex, LocationInfo& cityInfo);
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	int getCityGroupIdByName(const QString& name);
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	int getCityOffsetByNameAndId(const QString& name, int tzId);
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private slots:
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	void populateCities();
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	void eventMonitor(const XQSettingsKey& key, const QVariant& value);
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public:
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	CEnvironmentChangeNotifier *mNotifier;
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private:
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	CTzLocalizer *mTzLocalizer;
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	QMap<QString, int> mAllCountries;
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	QList<LocationInfo> mAllLocations;
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	QStandardItemModel *mWorldClockModel;
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	XQSettingsManager *mSettingsManager;
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	XQSettingsKey *mAutoTimeUpdateKey;
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	QList<int> mTimeZoneIds;
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//	bool mTimeUpdateOn;
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	int mCountryCount;
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	int mAutoTimeUpdateValue;
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};
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#endif		// __TIMEZONECLIENT_H__
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// End of file