xmlsecurity: Ask current datetime only once

... and pass it as the sole argument to XMLSignatureHelper::SetDateTime().

Change-Id: I7f3e8dc90bb34ca347a1ad5a79717a338af3bed9
Reviewed-on: https://gerrit.libreoffice.org/54706Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

xmlsecurity/inc/xmlsignaturehelper.hxx

@@ -37,8 +37,7 @@
 #include <com/sun/star/xml/crypto/sax/XSignatureCreationResultListener.hpp>
 #include <com/sun/star/xml/crypto/sax/XSignatureVerifyResultListener.hpp>
 
-class Date;
-namespace tools { class Time; }
+class DateTime;
 
 namespace com {
 namespace sun {
@@ -128,7 +127,7 @@ public:
     void SetGpgCertificate(sal_Int32 nSecurityId, const OUString& ouGpgCertDigest,
         const OUString& ouGpgCert, const OUString& ouGpgOwner);
 
-    void        SetDateTime( sal_Int32 nSecurityId, const Date& rDate, const tools::Time& rTime );
+    void        SetDateTime( sal_Int32 nSecurityId, const DateTime& rDateTime );
     void SetDescription(sal_Int32 nSecurityId, const OUString& rDescription);
     void SetSignatureLineId(sal_Int32 nSecurityId, const OUString& rSignatureLineId);
     void

xmlsecurity/source/helper/documentsignaturemanager.cxx

@@ -35,8 +35,7 @@
 #include <comphelper/storagehelper.hxx>
 #include <rtl/ustrbuf.hxx>
 #include <sax/tools/converter.hxx>
-#include <tools/date.hxx>
-#include <tools/time.hxx>
+#include <tools/datetime.hxx>
 #include <o3tl/make_unique.hxx>
 
 #include <certificate.hxx>
@@ -385,8 +384,7 @@ bool DocumentSignatureManager::add(
         maSignatureHelper.AddForSigning(nSecurityId, aElements[n], bBinaryMode, bAdESCompliant);
     }
 
-    maSignatureHelper.SetDateTime(nSecurityId, Date(Date::SYSTEM),
-                                  tools::Time(tools::Time::SYSTEM));
+    maSignatureHelper.SetDateTime(nSecurityId, DateTime(DateTime::SYSTEM));
     maSignatureHelper.SetDescription(nSecurityId, rDescription);
 
     if (!rSignatureLineId.isEmpty())

xmlsecurity/source/helper/xmlsignaturehelper.cxx

@@ -44,8 +44,6 @@
 #include <com/sun/star/embed/XTransactedObject.hpp>
 #include <com/sun/star/io/XSeekable.hpp>
 
-#include <tools/date.hxx>
-#include <tools/time.hxx>
 #include <comphelper/ofopxmlhelper.hxx>
 #include <comphelper/sequence.hxx>
 #include <tools/diagnose_ex.h>
@@ -139,9 +137,9 @@ void XMLSignatureHelper::SetGpgCertificate(sal_Int32 nSecurityId,
         ouGpgOwner);
 }
 
-void XMLSignatureHelper::SetDateTime( sal_Int32 nSecurityId, const ::Date& rDate, const tools::Time& rTime )
+void XMLSignatureHelper::SetDateTime( sal_Int32 nSecurityId, const ::DateTime& rDateTime )
 {
-    css::util::DateTime stDateTime = ::DateTime(rDate, rTime).GetUNODateTime();
+    css::util::DateTime stDateTime = rDateTime.GetUNODateTime();
     mpXSecController->setDate( nSecurityId, stDateTime );
 }