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KDECore

KTimeZoneBackend Class Reference
[Time zone classes]

Base backend class for KTimeZone classes. More...

#include <ktimezone.h>

Inheritance diagram for KTimeZoneBackend:
KSystemTimeZoneBackend KTzfileTimeZoneBackend

List of all members.

Public Member Functions

virtual KTimeZoneBackend * clone () const
virtual bool hasTransitions (const KTimeZone *caller) const
virtual bool isDst (const KTimeZone *caller, time_t t) const
virtual bool isDstAtUtc (const KTimeZone *caller, const QDateTime &utcDateTime) const
 KTimeZoneBackend (const KTimeZoneBackend &other)
 KTimeZoneBackend (const QString &name)
 KTimeZoneBackend ()
virtual int offset (const KTimeZone *caller, time_t t) const
virtual int offsetAtUtc (const KTimeZone *caller, const QDateTime &utcDateTime) const
virtual int offsetAtZoneTime (const KTimeZone *caller, const QDateTime &zoneDateTime, int *secondOffset) const
KTimeZoneBackend & operator= (const KTimeZoneBackend &other)
virtual QByteArray type () const
virtual ~KTimeZoneBackend ()

Protected Member Functions

 KTimeZoneBackend (KTimeZoneSource *source, const QString &name, const QString &countryCode=QString(), float latitude=KTimeZone::UNKNOWN, float longitude=KTimeZone::UNKNOWN, const QString &comment=QString())

Detailed Description

Base backend class for KTimeZone classes.

KTimeZone and each class inherited from it must have a corresponding backend class to implement its constructors and its virtual methods, and to provide a virtual clone() method. This allows KTimeZone virtual methods to work together with reference counting of private data.

Note:
Classes derived from KTimeZoneBackend should not normally implement their own copy constructor or assignment operator, and must have a non-const d-pointer.

Base backend class for KTimeZone classes

See also:
KTimeZone
Author:
David Jarvie <djarvie@kde.org>.

Definition at line 1115 of file ktimezone.h.


Constructor & Destructor Documentation

KTimeZoneBackend::KTimeZoneBackend (  ) 

Implements KTimeZone::KTimeZone().

Definition at line 399 of file ktimezone.cpp.

KTimeZoneBackend::KTimeZoneBackend ( const QString &  name  )  [explicit]

Implements KTimeZone::KTimeZone(const QString&).

Definition at line 403 of file ktimezone.cpp.

KTimeZoneBackend::KTimeZoneBackend ( const KTimeZoneBackend &  other  ) 

Definition at line 412 of file ktimezone.cpp.

KTimeZoneBackend::~KTimeZoneBackend (  )  [virtual]

Definition at line 418 of file ktimezone.cpp.

KTimeZoneBackend::KTimeZoneBackend ( KTimeZoneSource *  source,
const QString &  name,
const QString &  countryCode = QString(),
float  latitude = KTimeZone::UNKNOWN,
float  longitude = KTimeZone::UNKNOWN,
const QString &  comment = QString() 
) [protected]

Constructs a time zone.

Parameters:
source reader/parser for the database containing this time zone. This will be an instance of a class derived from KTimeZoneSource.
name in system-dependent format. The name must be unique within any KTimeZones instance which contains this KTimeZone.
countryCode ISO 3166 2-character country code, empty if unknown
latitude in degrees (between -90 and +90), UNKNOWN if not known
longitude in degrees (between -180 and +180), UNKNOWN if not known
comment description of the time zone, if any

Definition at line 407 of file ktimezone.cpp.


Member Function Documentation

KTimeZoneBackend * KTimeZoneBackend::clone (  )  const [virtual]

Creates a copy of this instance.

Note:
Every inherited class must reimplement clone().
Returns:
new copy

Reimplemented in KSystemTimeZoneBackend, and KTzfileTimeZoneBackend.

Definition at line 442 of file ktimezone.cpp.

bool KTimeZoneBackend::hasTransitions ( const KTimeZone *  caller  )  const [virtual]

Implements KTimeZone::hasTransitions().

Parameters:
caller calling KTimeZone object

Reimplemented in KTzfileTimeZoneBackend.

Definition at line 515 of file ktimezone.cpp.

bool KTimeZoneBackend::isDst ( const KTimeZone *  caller,
time_t  t 
) const [virtual]

Implements KTimeZone::isDst().

Parameters:
caller calling KTimeZone object

Reimplemented in KSystemTimeZoneBackend.

Definition at line 510 of file ktimezone.cpp.

bool KTimeZoneBackend::isDstAtUtc ( const KTimeZone *  caller,
const QDateTime &  utcDateTime 
) const [virtual]

Implements KTimeZone::isDstAtUtc().

Parameters:
caller calling KTimeZone object

Reimplemented in KSystemTimeZoneBackend.

Definition at line 500 of file ktimezone.cpp.

int KTimeZoneBackend::offset ( const KTimeZone *  caller,
time_t  t 
) const [virtual]

Implements KTimeZone::offset().

Parameters:
caller calling KTimeZone object

Reimplemented in KSystemTimeZoneBackend.

Definition at line 495 of file ktimezone.cpp.

int KTimeZoneBackend::offsetAtUtc ( const KTimeZone *  caller,
const QDateTime &  utcDateTime 
) const [virtual]

Implements KTimeZone::offsetAtUtc().

Parameters:
caller calling KTimeZone object

Reimplemented in KSystemTimeZoneBackend.

Definition at line 485 of file ktimezone.cpp.

int KTimeZoneBackend::offsetAtZoneTime ( const KTimeZone *  caller,
const QDateTime &  zoneDateTime,
int *  secondOffset 
) const [virtual]

Implements KTimeZone::offsetAtZoneTime().

Parameters:
caller calling KTimeZone object

Reimplemented in KSystemTimeZoneBackend.

Definition at line 447 of file ktimezone.cpp.

KTimeZoneBackend & KTimeZoneBackend::operator= ( const KTimeZoneBackend &  other  ) 

Definition at line 425 of file ktimezone.cpp.

QByteArray KTimeZoneBackend::type (  )  const [virtual]

Returns the class name of the data represented by this instance.

Note:
Every inherited class must reimplement type().

This base class returns "KTimeZone".

Returns:
the class name

Reimplemented in KSystemTimeZoneBackend, and KTzfileTimeZoneBackend.

Definition at line 437 of file ktimezone.cpp.


The documentation for this class was generated from the following files:
  • ktimezone.h
  • ktimezone.cpp

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