Create an UNO service to do the symbol lookup in sd

which means I can remove one usage of gb_Library_set_plugin_for, which
is blocking linking the sd module into
--enable-mergelibs=more

Change-Id: I90dae749f777446f67342d121e4dc29b974cb9b6
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/164423
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

3 files changed, 52 insertions, 32 deletions

diff --git a/sd/source/console/presenter.component b/sd/source/console/presenter.component
index 3e1bc8508d36..8a1d8b93a224 100644
--- a/sd/source/console/presenter.component
+++ b/sd/source/console/presenter.component
@@ -15,4 +15,8 @@
         constructor="sd_PresenterProtocolHandler_get_implementation">
         <service name="com.sun.star.frame.ProtocolHandler"/>
     </implementation>
+    <implementation name="com.sun.star.presentation.comp.CreateDialogFactoryService"
+        constructor="com_sun_star_presentation_CreateDialogFactoryService_get_implementation">
+        <service name="com.sun.star.presentation.CreateDialogFactoryService"/>
+     </implementation>
 </component>
diff --git a/sd/source/ui/dlg/sdabstdlg.cxx b/sd/source/ui/dlg/sdabstdlg.cxx
index 2b686a3e8882..181a2ec42d62 100644
--- a/sd/source/ui/dlg/sdabstdlg.cxx
+++ b/sd/source/ui/dlg/sdabstdlg.cxx
@@ -18,38 +18,19 @@
  */
 
 #include <sdabstdlg.hxx>
-
-#include <osl/module.hxx>
-
-typedef SdAbstractDialogFactory* (*SdFuncPtrCreateDialogFactory)();
-
-#ifndef DISABLE_DYNLOADING
-
-extern "C" {
-static void thisModule() {}
-}
-
-#else
-
-extern "C" SdAbstractDialogFactory* SdCreateDialogFactory();
-
-#endif
+#include <comphelper/processfactory.hxx>
+#include <com/sun/star/presentation/CreateDialogFactoryService.hpp>
 
 SdAbstractDialogFactory* SdAbstractDialogFactory::Create()
 {
-    SdFuncPtrCreateDialogFactory fp = nullptr;
-#ifndef DISABLE_DYNLOADING
-    static ::osl::Module aDialogLibrary;
-    static constexpr OUStringLiteral sLibName(u"" SDUI_DLL_NAME);
-    if (aDialogLibrary.is() || aDialogLibrary.loadRelative(&thisModule, sLibName))
-        fp = reinterpret_cast<SdAbstractDialogFactory*(SAL_CALL*)()>(
-            aDialogLibrary.getFunctionSymbol("SdCreateDialogFactory"));
-#else
-    fp = SdCreateDialogFactory;
-#endif
-    if (fp)
-        return fp();
-    return nullptr;
+    auto xService = css::presentation::CreateDialogFactoryService::create(
+        comphelper::getProcessComponentContext());
+    assert(xService);
+    // get a factory instance
+    SdAbstractDialogFactory* pFactory
+        = reinterpret_cast<SdAbstractDialogFactory*>(xService->getSomething({}));
+    assert(pFactory);
+    return pFactory;
 }
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/sd/source/ui/dlg/sduiexp.cxx b/sd/source/ui/dlg/sduiexp.cxx
index 62901c70d0aa..63354ab7ed58 100644
--- a/sd/source/ui/dlg/sduiexp.cxx
+++ b/sd/source/ui/dlg/sduiexp.cxx
@@ -19,14 +19,49 @@
 
 #include "sddlgfact.hxx"
 #include <sal/types.h>
+#include <cppuhelper/supportsservice.hxx>
+#include <com/sun/star/lang/XUnoTunnel.hpp>
 
 class SdAbstractDialogFactory;
 
+/// anonymous implementation namespace
+namespace
+{
+class CreateDialogFactoryService
+    : public ::cppu::WeakImplHelper<css::lang::XServiceInfo, css::lang::XUnoTunnel>
+{
+public:
+    // css::lang::XServiceInfo:
+    virtual OUString SAL_CALL getImplementationName() override
+    {
+        return "com.sun.star.presentation.comp.CreateDialogFactoryService";
+    }
+    virtual sal_Bool SAL_CALL supportsService(const OUString& serviceName) override
+    {
+        return cppu::supportsService(this, serviceName);
+    }
+    virtual css::uno::Sequence<OUString> SAL_CALL getSupportedServiceNames() override
+    {
+        return { "com.sun.star.presentation.CreateDialogFactoryService" };
+    }
+
+    // XUnoTunnel
+    virtual sal_Int64 SAL_CALL
+    getSomething(const ::css::uno::Sequence<::sal_Int8>& /*aIdentifier*/) override
+    {
+        static SdAbstractDialogFactory_Impl aFactory;
+        return reinterpret_cast<sal_Int64>(static_cast<SdAbstractDialogFactory*>(&aFactory));
+    }
+};
+
+} // closing anonymous implementation namespace
+
 extern "C" {
-SAL_DLLPUBLIC_EXPORT SdAbstractDialogFactory* SdCreateDialogFactory()
+SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
+com_sun_star_presentation_CreateDialogFactoryService_get_implementation(
+    css::uno::XComponentContext*, css::uno::Sequence<css::uno::Any> const&)
 {
-    static SdAbstractDialogFactory_Impl aFactory;
-    return &aFactory;
+    return cppu::acquire(new CreateDialogFactoryService);
 }
 }