diff options
Diffstat (limited to 'src/corelib/tools/qtimezone.h')
| -rw-r--r-- | src/corelib/tools/qtimezone.h | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/src/corelib/tools/qtimezone.h b/src/corelib/tools/qtimezone.h new file mode 100644 index 0000000000..5eeb22f8f3 --- /dev/null +++ b/src/corelib/tools/qtimezone.h @@ -0,0 +1,162 @@ +/**************************************************************************** +** +** Copyright (C) 2013 John Layt <jlayt@kde.org> +** Contact: http://www.qt-project.org/legal +** +** This file is part of the QtCore module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. For licensing terms and +** conditions see http://qt.digia.com/licensing. For further information +** use the contact form at http://qt.digia.com/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Digia gives you certain additional +** rights. These rights are described in the Digia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + + +#ifndef QTIMEZONE_H +#define QTIMEZONE_H + +#include <QtCore/qsharedpointer.h> +#include <QtCore/qlocale.h> +#include <QtCore/qdatetime.h> + +QT_BEGIN_NAMESPACE + +class QTimeZonePrivate; + +class Q_CORE_EXPORT QTimeZone +{ +public: + enum TimeType { + StandardTime = 0, + DaylightTime = 1, + GenericTime = 2 + }; + + enum NameType { + DefaultName = 0, + LongName = 1, + ShortName = 2, + OffsetName = 3 + }; + + struct OffsetData { + QString abbreviation; + QDateTime atUtc; + int offsetFromUtc; + int standardTimeOffset; + int daylightTimeOffset; + }; + typedef QVector<OffsetData> OffsetDataList; + + QTimeZone(); + explicit QTimeZone(const QByteArray &olsenId); + QTimeZone(int offsetSeconds); + QTimeZone(const QByteArray &zoneId, int offsetSeconds, const QString &name, + const QString &abbreviation, QLocale::Country country = QLocale::AnyCountry, + const QString &comment = QString()); + QTimeZone(const QTimeZone &other); + ~QTimeZone(); + + QTimeZone &operator=(const QTimeZone &other); + #ifdef Q_COMPILER_RVALUE_REFS + QTimeZone &operator=(QTimeZone &&other) { std::swap(d, other.d); return *this; } +#endif + + bool operator==(const QTimeZone &other) const; + bool operator!=(const QTimeZone &other) const; + + bool isValid() const; + + QByteArray id() const; + QLocale::Country country() const; + QString comment() const; + + QString displayName(const QDateTime &atDateTime, + QTimeZone::NameType nameType = QTimeZone::DefaultName, + const QLocale &locale = QLocale()) const; + QString displayName(QTimeZone::TimeType timeType, + QTimeZone::NameType nameType = QTimeZone::DefaultName, + const QLocale &locale = QLocale()) const; + QString abbreviation(const QDateTime &atDateTime) const; + + int offsetFromUtc(const QDateTime &atDateTime) const; + int standardTimeOffset(const QDateTime &atDateTime) const; + int daylightTimeOffset(const QDateTime &atDateTime) const; + + bool hasDaylightTime() const; + bool isDaylightTime(const QDateTime &atDateTime) const; + + OffsetData offsetData(const QDateTime &forDateTime) const; + + bool hasTransitions() const; + OffsetData nextTransition(const QDateTime &afterDateTime) const; + OffsetData previousTransition(const QDateTime &beforeDateTime) const; + OffsetDataList transitions(const QDateTime &fromDateTime, const QDateTime &toDateTime) const; + + static QByteArray systemTimeZoneId(); + + static bool isTimeZoneIdAvailable(const QByteArray &olsenId); + + static QList<QByteArray> availableTimeZoneIds(); + static QList<QByteArray> availableTimeZoneIds(QLocale::Country country); + static QList<QByteArray> availableTimeZoneIds(int offsetSeconds); + + static QByteArray olsenIdToWindowsId(const QByteArray &olsenId); + static QByteArray windowsIdToDefaultOlsenId(const QByteArray &windowsId); + static QByteArray windowsIdToDefaultOlsenId(const QByteArray &windowsId, + QLocale::Country country); + static QList<QByteArray> windowsIdToOlsenIds(const QByteArray &windowsId); + static QList<QByteArray> windowsIdToOlsenIds(const QByteArray &windowsId, + QLocale::Country country); + +private: + QTimeZone(QTimeZonePrivate &dd); +#ifndef QT_NO_DATASTREAM + friend Q_CORE_EXPORT QDataStream &operator<<(QDataStream &ds, const QTimeZone &tz); +#endif + friend class QTimeZonePrivate; + QSharedDataPointer<QTimeZonePrivate> d; +}; + +Q_DECLARE_TYPEINFO(QTimeZone::OffsetData, Q_MOVABLE_TYPE); + +#ifndef QT_NO_DATASTREAM +Q_CORE_EXPORT QDataStream &operator<<(QDataStream &ds, const QTimeZone &tz); +Q_CORE_EXPORT QDataStream &operator>>(QDataStream &ds, QTimeZone &tz); +#endif + +#ifndef QT_NO_DEBUG_STREAM +Q_CORE_EXPORT QDebug operator<<(QDebug dbg, const QTimeZone &tz); +#endif + +QT_END_NAMESPACE + +#endif // QTIMEZONE_H |