oox: create QuickDiagrammingImport instances with an uno constructor

This is effectively dead code as commit
547217ec (Document seemingly dead
QuickDiagrammingImport, QuickDiagrammingLayout, 2013-06-03) found, so
the primary motivation is to just get this out of
oox_component_getFactory().

Change-Id: If0a585c2fc4b87ceb00e6f772fef2ac65d10dc67
Reviewed-on: https://gerrit.libreoffice.org/60470
Tested-by: Jenkins
Reviewed-by: Miklos Vajna <vmiklos@collabora.co.uk>

oox/inc/services.hxx

@@ -23,13 +23,6 @@
 #include <sal/config.h>
 
 namespace oox {
-    namespace ppt {
-        extern OUString QuickDiagrammingImport_getImplementationName();
-        extern css::uno::Sequence< OUString > QuickDiagrammingImport_getSupportedServiceNames();
-        /// @throws css::uno::Exception
-        extern css::uno::Reference< css::uno::XInterface > QuickDiagrammingImport_createInstance(
-            const css::uno::Reference< css::uno::XComponentContext >& rxContext );
-    }
     namespace ppt {
         extern OUString QuickDiagrammingLayout_getImplementationName();
         extern css::uno::Sequence< OUString > QuickDiagrammingLayout_getSupportedServiceNames();

oox/source/core/services.cxx

@@ -35,7 +35,6 @@ namespace {
 // Impress" would actually want to make use of them:
 static ::cppu::ImplementationEntry const spServices[] =
 {
-    IMPLEMENTATION_ENTRY( ::oox::ppt::QuickDiagrammingImport ),
     IMPLEMENTATION_ENTRY( ::oox::ppt::QuickDiagrammingLayout ),
     IMPLEMENTATION_ENTRY( ::oox::shape::ShapeContextHandler ),
     { nullptr, nullptr, nullptr, nullptr, nullptr, 0 }

oox/source/ppt/dgmimport.cxx

@@ -36,23 +36,6 @@ using namespace oox::core;
 
 namespace oox { namespace ppt {
 
-OUString QuickDiagrammingImport_getImplementationName()
-{
-    return OUString( "com.sun.star.comp.Impress.oox.QuickDiagrammingImport" );
-}
-
-uno::Sequence< OUString > QuickDiagrammingImport_getSupportedServiceNames()
-{
-    const OUString aServiceName = "com.sun.star.comp.ooxpptx.dgm.import";
-    const Sequence< OUString > aSeq( &aServiceName, 1 );
-    return aSeq;
-}
-
-uno::Reference< uno::XInterface > QuickDiagrammingImport_createInstance( const Reference< XComponentContext >& rxContext )
-{
-    return static_cast<cppu::OWeakObject*>(new QuickDiagrammingImport( rxContext ));
-}
-
 QuickDiagrammingImport::QuickDiagrammingImport( const css::uno::Reference< css::uno::XComponentContext >& rxContext )
     : XmlFilterBase( rxContext )
 {}
@@ -115,7 +98,7 @@ oox::drawingml::chart::ChartConverter* QuickDiagrammingImport::getChartConverter
 
 OUString QuickDiagrammingImport::getImplementationName()
 {
-    return QuickDiagrammingImport_getImplementationName();
+    return OUString( "com.sun.star.comp.Impress.oox.QuickDiagrammingImport" );
 }
 
 ::oox::ole::VbaProject* QuickDiagrammingImport::implCreateVbaProject() const
@@ -125,4 +108,11 @@ OUString QuickDiagrammingImport::getImplementationName()
 
 }}
 
+extern "C" SAL_DLLPUBLIC_EXPORT uno::XInterface*
+com_sun_star_comp_oox_ppt_QuickDiagrammingImport_get_implementation(
+    uno::XComponentContext* pCtx, uno::Sequence<uno::Any> const& /*rSeq*/)
+{
+    return cppu::acquire(new oox::ppt::QuickDiagrammingImport(pCtx));
+}
+
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */