vcl: [loplugin:badstatics] aDocumentFocusListener

Move it into class GtkSalData; have to use 2 variables because the class
is only defined in atkutil.cxx but the ~GtkSalData is in gtkdata.cxx.

Change-Id: I3b12f02a1a5454f39206cbd0fe224d3f08a44c73
Reviewed-on: https://gerrit.libreoffice.org/42673Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Michael Stahl <mstahl@redhat.com>

vcl/inc/unx/gtk/gtkdata.hxx

@@ -35,7 +35,10 @@
 
 #include <list>
 
+namespace com { namespace sun { namespace star { namespace accessibility { class XAccessibleEventListener; } } } }
+
 class GtkSalDisplay;
+class DocumentFocusListener;
 
 inline GdkWindow * widget_get_window(GtkWidget *widget)
 {
@@ -99,10 +102,15 @@ class GtkSalData : public GenericUnixSalData
     osl::Condition  m_aDispatchCondition;
     css::uno::Any   m_aException;
 
+    css::uno::Reference<css::accessibility::XAccessibleEventListener> m_xDocumentFocusListener;
+    DocumentFocusListener * m_pDocumentFocusListener;
+
 public:
     GtkSalData( SalInstance *pInstance );
     virtual ~GtkSalData() override;
 
+    DocumentFocusListener & GetDocumentFocusListener();
+
     void Init();
     virtual void Dispose() override;
 

vcl/unx/gtk/a11y/atkutil.cxx

@@ -38,6 +38,7 @@
 #include <vcl/menu.hxx>
 #include <vcl/toolbox.hxx>
 
+#include <unx/gtk/gtkdata.hxx>
 #include "atkwrapper.hxx"
 #include "atkutil.hxx"
 
@@ -512,10 +513,22 @@ WindowList g_aWindowList;
 
 }
 
+DocumentFocusListener & GtkSalData::GetDocumentFocusListener()
+{
+    if (!m_pDocumentFocusListener)
+    {
+        m_pDocumentFocusListener = new DocumentFocusListener;
+        m_xDocumentFocusListener.set(m_pDocumentFocusListener);
+    }
+    return *m_pDocumentFocusListener;
+}
+
 static void handle_get_focus(::VclWindowEvent const * pEvent)
 {
-    static rtl::Reference< DocumentFocusListener > aDocumentFocusListener =
-        new DocumentFocusListener;
+    GtkSalData *const pSalData(GetGtkSalData());
+    assert(pSalData);
+
+    DocumentFocusListener & rDocumentFocusListener(pSalData->GetDocumentFocusListener());
 
     vcl::Window *pWindow = pEvent->GetWindow();
 
@@ -566,7 +579,7 @@ static void handle_get_focus(::VclWindowEvent const * pEvent)
             g_aWindowList.list.insert(pWindow);
             try
             {
-                aDocumentFocusListener->attachRecursive(xAccessible, xContext, xStateSet);
+                rDocumentFocusListener.attachRecursive(xAccessible, xContext, xStateSet);
             }
             catch (const uno::Exception&)
             {

vcl/unx/gtk/gtkdata.cxx

@@ -417,6 +417,7 @@ GtkSalData::GtkSalData( SalInstance *pInstance )
     : GenericUnixSalData( SAL_DATA_GTK, pInstance )
     , m_aDispatchMutex()
     , m_aDispatchCondition()
+    , m_pDocumentFocusListener(nullptr)
 {
     m_pUserEvent = nullptr;
 }

vcl/unx/gtk3/gtk3gtkdata.cxx

@@ -388,6 +388,7 @@ GtkSalData::GtkSalData( SalInstance *pInstance )
     : GenericUnixSalData( SAL_DATA_GTK3, pInstance )
     , m_aDispatchMutex()
     , m_aDispatchCondition()
+    , m_pDocumentFocusListener(nullptr)
 {
     m_pUserEvent = nullptr;
 }