Presenter console: simplify configuration access (EnablePresenterScreen)

for key officecfg::Office::Impress::Misc::Start::EnablePresenterScreen

Change-Id: I635f6ba593ada4fcc4b2f6c4ba66684ddb98f6b3
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/198067
Tested-by: Jenkins
Reviewed-by: Gabor Kelemen <gabor.kelemen@collabora.com>

sd/source/console/PresenterScreen.cxx

@@ -35,6 +35,7 @@
 #include <com/sun/star/document/XEventBroadcaster.hpp>
 #include <cppuhelper/compbase.hxx>
 #include <cppuhelper/supportsservice.hxx>
+#include <officecfg/Office/Impress.hxx>
 #include <officecfg/Office/PresenterScreen.hxx>
 
 #include <utility>
@@ -211,7 +212,7 @@ void SAL_CALL PresenterScreenListener::notifyEvent( const css::document::EventOb
     if ( Event.EventName == "OnStartPresentation" )
     {
         mpPresenterScreen = new PresenterScreen(mxComponentContext, mxModel);
-        if(PresenterScreen::isPresenterScreenEnabled(mxComponentContext))
+        if ( officecfg::Office::Impress::Misc::Start::EnablePresenterScreen::get() )
             mpPresenterScreen->InitializePresenterScreen();
     }
     else if ( Event.EventName == "OnEndPresentation" )
@@ -273,18 +274,6 @@ PresenterScreen::~PresenterScreen()
 {
 }
 
-bool PresenterScreen::isPresenterScreenEnabled(const css::uno::Reference<css::uno::XComponentContext>& rxContext)
-{
-        bool dEnablePresenterScreen=true;
-        PresenterConfigurationAccess aConfiguration (
-            rxContext,
-            u"/org.openoffice.Office.Impress/"_ustr,
-            PresenterConfigurationAccess::READ_ONLY);
-        aConfiguration.GetConfigurationNode(u"Misc/Start/EnablePresenterScreen"_ustr)
-            >>= dEnablePresenterScreen;
-        return dEnablePresenterScreen;
-}
-
 bool PresenterScreen::isPresenterScreenFullScreen(const css::uno::Reference<css::uno::XComponentContext>& rxContext)
 {
     bool dPresenterScreenFullScreen = true;

sd/source/console/PresenterScreen.hxx

@@ -107,8 +107,6 @@ public:
 
     virtual void SAL_CALL disposing() override;
 
-    static bool isPresenterScreenEnabled(
-        const css::uno::Reference<css::uno::XComponentContext>& rxContext);
     static bool isPresenterScreenFullScreen(
         const css::uno::Reference<css::uno::XComponentContext>& rxContext);