implement css::i18n::XCalendar4 and LocaleCalendar2 service, tdf#63230

Implementation only, new local date/time routines not used yet from the
outside in this step.

3 files changed, 58 insertions, 2 deletions

diff --git a/i18npool/source/calendar/calendarImpl.cxx b/i18npool/source/calendar/calendarImpl.cxx
index 4780ce6ad598..68cf9c2116b3 100644
--- a/i18npool/source/calendar/calendarImpl.cxx
+++ b/i18npool/source/calendar/calendarImpl.cxx
@@ -57,7 +57,7 @@ CalendarImpl::loadDefaultCalendar( const Locale& rLocale ) throw(RuntimeExceptio
 void SAL_CALL
 CalendarImpl::loadCalendar(const OUString& uniqueID, const Locale& rLocale ) throw (RuntimeException, std::exception)
 {
-    Reference < XCalendar3 > xOldCalendar( xCalendar );  // backup
+    Reference < XCalendar4 > xOldCalendar( xCalendar );  // backup
     sal_Int32 i;
 
     for (i = 0; i < sal::static_int_cast<sal_Int32>(lookupTable.size()); i++) {
@@ -155,6 +155,24 @@ CalendarImpl::getDateTime() throw(RuntimeException, std::exception)
         throw ERROR ;
 }
 
+void SAL_CALL
+CalendarImpl::setLocalDateTime( double fTimeInDays ) throw(RuntimeException, std::exception)
+{
+    if (xCalendar.is())
+        xCalendar->setLocalDateTime( fTimeInDays );
+    else
+        throw ERROR ;
+}
+
+double SAL_CALL
+CalendarImpl::getLocalDateTime() throw(RuntimeException, std::exception)
+{
+    if (xCalendar.is())
+        return xCalendar->getLocalDateTime();
+    else
+        throw ERROR ;
+}
+
 OUString SAL_CALL
 CalendarImpl::getUniqueID() throw(RuntimeException, std::exception)
 {
@@ -352,8 +370,9 @@ CalendarImpl::supportsService(const OUString& rServiceName) throw( RuntimeExcept
 Sequence< OUString > SAL_CALL
 CalendarImpl::getSupportedServiceNames(void) throw( RuntimeException, std::exception )
 {
-    Sequence< OUString > aRet(1);
+    Sequence< OUString > aRet(2);
     aRet[0] = "com.sun.star.i18n.LocaleCalendar";
+    aRet[1] = "com.sun.star.i18n.LocaleCalendar2";
     return aRet;
 }
 
diff --git a/i18npool/source/calendar/calendar_gregorian.cxx b/i18npool/source/calendar/calendar_gregorian.cxx
index a634c5225f89..d2f513c2afff 100644
--- a/i18npool/source/calendar/calendar_gregorian.cxx
+++ b/i18npool/source/calendar/calendar_gregorian.cxx
@@ -317,6 +317,40 @@ Calendar_gregorian::getDateTime() throw(RuntimeException, std::exception)
     return fR / U_MILLIS_PER_DAY;
 }
 
+void SAL_CALL
+Calendar_gregorian::setLocalDateTime( double fTimeInDays ) throw(RuntimeException, std::exception)
+{
+    // See setDateTime() for why the rounding.
+    double fM = fTimeInDays * U_MILLIS_PER_DAY;
+    double fR = rtl::math::round( fM );
+    SAL_INFO_IF( fM != fR, "i18npool",
+            "Calendar_gregorian::setLocalDateTime: " << std::fixed << fM << " rounded to " << fR);
+    int32_t nZoneOffset, nDSTOffset;
+    UErrorCode status;
+    body->getTimeZone().getOffset( fR, TRUE, nZoneOffset, nDSTOffset, status = U_ZERO_ERROR );
+    if ( !U_SUCCESS(status) ) throw ERROR;
+    body->setTime( fR - (nZoneOffset + nDSTOffset), status = U_ZERO_ERROR );
+    if ( !U_SUCCESS(status) ) throw ERROR;
+    getValue();
+}
+
+double SAL_CALL
+Calendar_gregorian::getLocalDateTime() throw(RuntimeException, std::exception)
+{
+    if (fieldSet) {
+        setValue();
+        getValue();
+    }
+    UErrorCode status;
+    double fTime = body->getTime( status = U_ZERO_ERROR );
+    if ( !U_SUCCESS(status) ) throw ERROR;
+    int32_t nZoneOffset = body->get( UCAL_ZONE_OFFSET, status = U_ZERO_ERROR );
+    if ( !U_SUCCESS(status) ) throw ERROR;
+    int32_t nDSTOffset = body->get( UCAL_DST_OFFSET, status = U_ZERO_ERROR );
+    if ( !U_SUCCESS(status) ) throw ERROR;
+    return (fTime + (nZoneOffset + nDSTOffset)) / U_MILLIS_PER_DAY;
+}
+
 // map field value from gregorian calendar to other calendar, it can be overwritten by derived class.
 // By using eraArray, it can take care Japanese and Taiwan ROC calendar.
 void Calendar_gregorian::mapFromGregorian() throw(RuntimeException)
diff --git a/i18npool/source/registerservices/registerservices.cxx b/i18npool/source/registerservices/registerservices.cxx
index 634c71112e03..a38e9692033d 100644
--- a/i18npool/source/registerservices/registerservices.cxx
+++ b/i18npool/source/registerservices/registerservices.cxx
@@ -288,6 +288,9 @@ static const struct InstancesArray {
     {   "com.sun.star.i18n.LocaleCalendar",
         "com.sun.star.i18n.CalendarImpl",
         &CalendarImpl_CreateInstance },
+    {   "com.sun.star.i18n.LocaleCalendar2",
+        "com.sun.star.i18n.CalendarImpl",
+        &CalendarImpl_CreateInstance },
     {   "com.sun.star.i18n.Calendar_gregorian",
         "com.sun.star.i18n.Calendar_gregorian",
         &Calendar_gregorian_CreateInstance },