use more concrete UNO classes in writerfilter (SwXFieldmark)

Change-Id: Ifa90331eadc08e0949c28d09be92d5aed4c8a70f
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/166787
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

3 files changed, 16 insertions, 10 deletions

diff --git a/sw/source/uibase/uno/unotxdoc.cxx b/sw/source/uibase/uno/unotxdoc.cxx
index e72cf2a59ec5..400d9db8b805 100644
--- a/sw/source/uibase/uno/unotxdoc.cxx
+++ b/sw/source/uibase/uno/unotxdoc.cxx
@@ -175,6 +175,7 @@
 #include <textcontentcontrol.hxx>
 #include <unocontentcontrol.hxx>
 #include <unoport.hxx>
+#include <unobookmark.hxx>
 #include <SwXTextDefaults.hxx>
 
 using namespace ::com::sun::star;
@@ -1674,6 +1675,12 @@ rtl::Reference< SwXBookmark > SwXTextDocument::createBookmark()
     return SwXBookmark::CreateXBookmark(GetDocOrThrow(), nullptr);
 }
 
+rtl::Reference< SwXBookmark > SwXTextDocument::createFieldmark()
+{
+    SolarMutexGuard aGuard;
+    ThrowIfInvalid();
+    return SwXFieldmark::CreateXFieldmark(GetDocOrThrow(), nullptr);
+}
 
 Reference< XInterface >  SwXTextDocument::createInstance(const OUString& rServiceName)
 {
diff --git a/sw/source/writerfilter/dmapper/DomainMapper_Impl.cxx b/sw/source/writerfilter/dmapper/DomainMapper_Impl.cxx
index 103a836536bc..7f0b57ab483a 100644
--- a/sw/source/writerfilter/dmapper/DomainMapper_Impl.cxx
+++ b/sw/source/writerfilter/dmapper/DomainMapper_Impl.cxx
@@ -7461,8 +7461,6 @@ void DomainMapper_Impl::CloseFieldCommand()
 
     try
     {
-        uno::Reference< uno::XInterface > xFieldInterface;
-
         const auto& [sType, vArguments, vSwitches]{ splitFieldCommand(pContext->GetCommand()) };
         (void)vSwitches;
         OUString const sFirstParam(vArguments.empty() ? OUString() : vArguments.front());
@@ -7558,6 +7556,7 @@ void DomainMapper_Impl::CloseFieldCommand()
                 bCreateField = false;
             }
 
+            uno::Reference< uno::XInterface > xFieldInterface;
             if( bCreateField || bCreateEnhancedField )
             {
                 //add the service prefix
@@ -8347,9 +8346,9 @@ void DomainMapper_Impl::CloseFieldCommand()
             // Don't waste resources on wrapping shapes inside a fieldmark.
             if (sType != "SHAPE" && m_xTextDocument && !m_aTextAppendStack.empty())
             {
-                xFieldInterface = m_xTextDocument->createInstance("com.sun.star.text.Fieldmark");
+                rtl::Reference<SwXBookmark> xFieldInterface = m_xTextDocument->createFieldmark();
 
-                uno::Reference<text::XFormField> const xFormField(xFieldInterface, uno::UNO_QUERY);
+                uno::Reference<text::XFormField> const xFormField(static_cast<cppu::OWeakObject*>(xFieldInterface.get()), uno::UNO_QUERY);
                 InsertFieldmark(m_aTextAppendStack, xFormField, pContext->GetStartRange(),
                         pContext->GetFieldId());
                 xFormField->setFieldType(ODF_UNHANDLED);
diff --git a/sw/source/writerfilter/dmapper/SdtHelper.cxx b/sw/source/writerfilter/dmapper/SdtHelper.cxx
index 06f3262b767e..db00c79461c0 100644
--- a/sw/source/writerfilter/dmapper/SdtHelper.cxx
+++ b/sw/source/writerfilter/dmapper/SdtHelper.cxx
@@ -32,6 +32,7 @@
 #include <com/sun/star/xml/xpath/XPathException.hpp>
 #include <com/sun/star/xml/dom/DocumentBuilder.hpp>
 #include <unotxdoc.hxx>
+#include <unobookmark.hxx>
 
 namespace writerfilter::dmapper
 {
@@ -473,14 +474,13 @@ void SdtHelper::createDateContentControl()
         return;
     }
 
-    uno::Reference<uno::XInterface> xFieldInterface
-        = m_rDM_Impl.GetTextDocument()->createInstance("com.sun.star.text.Fieldmark");
-    uno::Reference<text::XFormField> xFormField(xFieldInterface, uno::UNO_QUERY);
-    uno::Reference<text::XTextContent> xToInsert(xFormField, uno::UNO_QUERY);
-    if (!(xFormField.is() && xToInsert.is()))
+    rtl::Reference<SwXBookmark> xFieldmark = m_rDM_Impl.GetTextDocument()->createFieldmark();
+    uno::Reference<text::XFormField> xFormField(static_cast<cppu::OWeakObject*>(xFieldmark.get()),
+                                                uno::UNO_QUERY);
+    if (!xFormField)
         return;
 
-    xToInsert->attach(uno::Reference<text::XTextRange>(xCrsr, uno::UNO_QUERY_THROW));
+    xFieldmark->attach(uno::Reference<text::XTextRange>(xCrsr, uno::UNO_QUERY_THROW));
     xFormField->setFieldType(ODF_FORMDATE);
     uno::Reference<container::XNameContainer> xNameCont = xFormField->getParameters();
     if (xNameCont.is())