convert SfxPopupAction to enum class

and move it out of the header file, because it's only used inside one
.cxx file

Change-Id: I94b8cb957b86b1ee51e654b2d247269ef2cec88a

include/sfx2/bindings.hxx

@@ -85,13 +85,6 @@ inline SfxCallMode& operator&= (SfxCallMode& lhs, SfxCallMode rhs)
 }
 
 
-enum SfxPopupAction
-{
-    SFX_POPUP_DELETE,
-    SFX_POPUP_HIDE,
-    SFX_POPUP_SHOW
-};
-
 class SFX2_DLLPUBLIC SfxBindings: public SfxBroadcaster
 
 /*  [Description]

sfx2/source/control/bindings.cxx

@@ -194,6 +194,14 @@ IMPL_LINK(SfxAsyncExec_Impl, TimerHdl, Timer*, pTimer)
     return 0L;
 }
 
+enum class SfxPopupAction
+{
+    DELETE,
+    HIDE,
+    SHOW
+};
+
+
 class SfxBindings_Impl
 {
 public:
@@ -233,7 +241,7 @@ SfxBindings::SfxBindings()
     pImp->bContextChanged = false;
     pImp->bMsgDirty = true;
     pImp->bAllDirty = true;
-    pImp->ePopupAction = SFX_POPUP_DELETE;
+    pImp->ePopupAction = SfxPopupAction::DELETE;
     pImp->nCachedFunc1 = 0;
     pImp->nCachedFunc2 = 0;
     pImp->bCtrlReleased = false;
@@ -374,15 +382,15 @@ void SfxBindings::HidePopupCtrls_Impl( bool bHide )
     if ( bHide )
     {
         // Hide SfxPopupWindows
-        pImp->ePopupAction = SFX_POPUP_HIDE;
+        pImp->ePopupAction = SfxPopupAction::HIDE;
     }
     else
     {
         // Show SfxPopupWindows
-        pImp->ePopupAction = SFX_POPUP_SHOW;
+        pImp->ePopupAction = SfxPopupAction::SHOW;
     }
 
-    pImp->ePopupAction = SFX_POPUP_DELETE;
+    pImp->ePopupAction = SfxPopupAction::DELETE;
 }