Exemple #1
0
TBool Util::DaylightSavingsAppliesL(const TTime& utc)
	{
	
	// This algorithm needs the first day of the week to be monday
	
	TDay oldStart;
	
	TLocale set;
	oldStart = set.StartOfWeek();
	set.SetStartOfWeek(EMonday);
	set.Set();
	
	TBuf<9> min;
	TBuf<9> max;
	
	utc.FormatL(min, KDaylightSavingsMinFormat);
	utc.FormatL(max, KDaylightSavingsMaxFormat);
	
	// Get times representing the first/last possible day of this 
	// year that daylight savings time change could change on
	
	TTime timeMin;
	User::LeaveIfError(timeMin.Set(min));
	TTime timeMax;
	User::LeaveIfError(timeMax.Set(max));

	// Find the last sunday in the respective months
	
	TTimeIntervalDays addMin(6 - timeMin.DayNoInWeek());
	TTimeIntervalDays addMax(6 - timeMax.DayNoInWeek());
	
	timeMin += addMin;
	timeMax += addMax;
	
	// The change happens at 1AM.
	TTimeIntervalHours hour(1);
	timeMin += hour;
	timeMax += hour;
	
	// Now we know which day the change occurs on.
	// Compare it to what the UTC is.

	TBool result = ((timeMin <= utc) && (timeMax > utc));
	
	// reset the first week day
	set.SetStartOfWeek(oldStart);
	set.Set();
	
	return result;
	
	}
/*!
	Sets the start of week value selected by the user.

	\param index The index of the selected value.
 */
void SettingsUtility::setStartOfWeek(int index)
{
	OstTraceFunctionEntry0( SETTINGSUTILITY_SETSTARTOFWEEK_ENTRY );
	TLocale locale;
	TDay day = (TDay)index;
	locale.SetStartOfWeek(day);
	locale.Set();
	OstTraceFunctionExit0( SETTINGSUTILITY_SETSTARTOFWEEK_EXIT );
}