From 7bc18035816a2eac15dfac4d987eb9bf43f90ef6 Mon Sep 17 00:00:00 2001 From: Janne Koskinen Date: Mon, 28 Dec 2009 13:47:46 +0200 Subject: Daylight savings time for Symbian take 2 Second try to make this work for all S60 platforms --- src/corelib/corelib.pro | 2 ++ src/corelib/tools/qdatetime.cpp | 60 +++++++++++++++++++++------------- tests/auto/qdatetime/tst_qdatetime.cpp | 7 ++++ 3 files changed, 46 insertions(+), 23 deletions(-) diff --git a/src/corelib/corelib.pro b/src/corelib/corelib.pro index 9a15bf1..7f33791 100644 --- a/src/corelib/corelib.pro +++ b/src/corelib/corelib.pro @@ -35,4 +35,6 @@ symbian: { # Workaroud for problems with paging this dll MMP_RULES -= PAGED MMP_RULES *= UNPAGED + # Timezone server + LIBS += -ltzclient } diff --git a/src/corelib/tools/qdatetime.cpp b/src/corelib/tools/qdatetime.cpp index db6435e..240f0cf 100644 --- a/src/corelib/tools/qdatetime.cpp +++ b/src/corelib/tools/qdatetime.cpp @@ -75,6 +75,7 @@ #if defined(Q_OS_SYMBIAN) #include +#include #endif QT_BEGIN_NAMESPACE @@ -3721,23 +3722,32 @@ static QDateTimePrivate::Spec utcToLocal(QDate &date, QTime &time) #elif defined(Q_OS_SYMBIAN) // months and days are zero index based _LIT(KUnixEpoch, "19700000:000000.000000"); - TTimeIntervalSeconds utcOffset = User::UTCOffset(); TTimeIntervalSeconds tTimeIntervalSecsSince1Jan1970UTC(secsSince1Jan1970UTC); TTime epochTTime; TInt err = epochTTime.Set(KUnixEpoch); tm res; if(err == KErrNone) { TTime utcTTime = epochTTime + tTimeIntervalSecsSince1Jan1970UTC; - utcTTime = utcTTime + utcOffset; - TDateTime utcDateTime = utcTTime.DateTime(); - res.tm_sec = utcDateTime.Second(); - res.tm_min = utcDateTime.Minute(); - res.tm_hour = utcDateTime.Hour(); - res.tm_mday = utcDateTime.Day() + 1; // non-zero based index for tm struct - res.tm_mon = utcDateTime.Month(); - res.tm_year = utcDateTime.Year() - 1900; - res.tm_isdst = 0; - brokenDown = &res; + TRAP(err, + RTz tz; + User::LeaveIfError(tz.Connect()); + CleanupClosePushL(tz); + res.tm_isdst = tz.IsDaylightSavingOnL(*tz.GetTimeZoneIdL(),utcTTime); + User::LeaveIfError(tz.ConvertToLocalTime(utcTTime)); + CleanupStack::PopAndDestroy(&tz)); + if (KErrNone == err) { + TDateTime localDateTime = utcTTime.DateTime(); + res.tm_sec = localDateTime.Second(); + res.tm_min = localDateTime.Minute(); + res.tm_hour = localDateTime.Hour(); + res.tm_mday = localDateTime.Day() + 1; // non-zero based index for tm struct + res.tm_mon = localDateTime.Month(); + res.tm_year = localDateTime.Year() - 1900; + // Symbian's timezone server doesn't know how to handle DST before year 1997 + if (res.tm_year < 97) + res.tm_isdst = -1; + brokenDown = &res; + } } #elif !defined(QT_NO_THREAD) && defined(_POSIX_THREAD_SAFE_FUNCTIONS) // use the reentrant version of localtime() where available @@ -3812,23 +3822,27 @@ static void localToUtc(QDate &date, QTime &time, int isdst) #elif defined(Q_OS_SYMBIAN) // months and days are zero index based _LIT(KUnixEpoch, "19700000:000000.000000"); - TTimeIntervalSeconds utcOffset = TTimeIntervalSeconds(0 - User::UTCOffset().Int()); TTimeIntervalSeconds tTimeIntervalSecsSince1Jan1970UTC(secsSince1Jan1970UTC); TTime epochTTime; TInt err = epochTTime.Set(KUnixEpoch); tm res; if(err == KErrNone) { - TTime utcTTime = epochTTime + tTimeIntervalSecsSince1Jan1970UTC; - utcTTime = utcTTime + utcOffset; - TDateTime utcDateTime = utcTTime.DateTime(); - res.tm_sec = utcDateTime.Second(); - res.tm_min = utcDateTime.Minute(); - res.tm_hour = utcDateTime.Hour(); - res.tm_mday = utcDateTime.Day() + 1; // non-zero based index for tm struct - res.tm_mon = utcDateTime.Month(); - res.tm_year = utcDateTime.Year() - 1900; - res.tm_isdst = (int)isdst; - brokenDown = &res; + TTime localTTime = epochTTime + tTimeIntervalSecsSince1Jan1970UTC; + RTz tz; + if (KErrNone == tz.Connect()) { + if (KErrNone == tz.ConvertToUniversalTime(localTTime)) { + TDateTime utcDateTime = localTTime.DateTime(); + res.tm_sec = utcDateTime.Second(); + res.tm_min = utcDateTime.Minute(); + res.tm_hour = utcDateTime.Hour(); + res.tm_mday = utcDateTime.Day() + 1; // non-zero based index for tm struct + res.tm_mon = utcDateTime.Month(); + res.tm_year = utcDateTime.Year() - 1900; + res.tm_isdst = (int)isdst; + brokenDown = &res; + } + tz.Close(); + } } #elif !defined(QT_NO_THREAD) && defined(_POSIX_THREAD_SAFE_FUNCTIONS) // use the reentrant version of gmtime() where available diff --git a/tests/auto/qdatetime/tst_qdatetime.cpp b/tests/auto/qdatetime/tst_qdatetime.cpp index 1140402..32fa398 100644 --- a/tests/auto/qdatetime/tst_qdatetime.cpp +++ b/tests/auto/qdatetime/tst_qdatetime.cpp @@ -147,9 +147,16 @@ Q_DECLARE_METATYPE(QTime) tst_QDateTime::tst_QDateTime() { +#ifdef Q_OS_SYMBIAN + // Symbian's timezone server cannot handle DST correctly for dates before year 1997 + uint x1 = QDateTime(QDate(2000, 1, 1), QTime()).toTime_t(); + uint x2 = QDateTime(QDate(2000, 6, 1), QTime()).toTime_t(); + europeanTimeZone = (x1 == 946681200 && x2 == 959810400); +#else uint x1 = QDateTime(QDate(1990, 1, 1), QTime()).toTime_t(); uint x2 = QDateTime(QDate(1990, 6, 1), QTime()).toTime_t(); europeanTimeZone = (x1 == 631148400 && x2 == 644191200); +#endif } tst_QDateTime::~tst_QDateTime() -- cgit v0.12