uitest: add the impress zoom level to the state information

Change-Id: I8c064788159b3cdd83f9ef0f4609e615db789cc3
Reviewed-on: https://gerrit.libreoffice.org/35147Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Markus Mohrhard <markus.mohrhard@googlemail.com>

sd/source/ui/inc/ViewShell.hxx

@@ -201,6 +201,7 @@ public:
     void    Scroll(long nX, long nY);
     void    ScrollLines(long nX, long nY);
     virtual void    SetZoom(long nZoom);
+    long    GetZoom() const;
     virtual void    SetZoomRect(const Rectangle& rZoomRect);
     void    InitWindows(const Point& rViewOrigin, const Size& rViewSize,
                         const Point& rWinPos, bool bUpdate = false);

sd/source/ui/uitest/uiobject.cxx

@@ -90,6 +90,7 @@ StringMap ImpressWindowUIObject::get_state()
 
     aMap["SelectedText"] = getViewShell(mxWindow)->GetSelectionText(false);
     aMap["CurrentSlide"] = OUString::number(getViewShell(mxWindow)->GetCurPageId());
+    aMap["Zoom"] = OUString::number(getViewShell(mxWindow)->GetZoom());
 
     return aMap;
 }

sd/source/ui/view/viewshe2.cxx

@@ -359,6 +359,16 @@ void ViewShell::SetZoom(long nZoom)
     UpdateScrollBars();
 }
 
+long ViewShell::GetZoom() const
+{
+    if (mpContentWindow)
+    {
+        mpContentWindow->GetZoom();
+    }
+
+    return 0;
+}
+
 /**
  * Set zoom rectangle for active window. Sets all split windows to the same zoom
  * factor.