[gnome-shell] workspacesView: Refactor thumb zooming out code

[Jasper St. Pierre <jstpierre src gnome org>]

commit efc128e68161bcc44297f021431fd6ead0876ada
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Wed Aug 8 17:21:19 2012 -0300

    workspacesView: Refactor thumb zooming out code
    
    https://bugzilla.gnome.org/show_bug.cgi?id=582650

 js/ui/workspacesView.js |   13 ++++---------
 1 files changed, 4 insertions(+), 9 deletions(-)
---
diff --git a/js/ui/workspacesView.js b/js/ui/workspacesView.js
index 2b5eac5..b8204f0 100644
--- a/js/ui/workspacesView.js
+++ b/js/ui/workspacesView.js
@@ -868,15 +868,10 @@ const WorkspacesDisplay = new Lang.Class({
         let clipX = rtl ? x + controlsVisible : x;
         let clipY = y + (fullHeight - clipHeight) / 2;
 
-        if (this._zoomOut) {
-            width -= controlsNatural;
-            if (rtl)
-                x += controlsNatural;
-        } else {
-            width -= controlsVisible;
-            if (rtl)
-                x += controlsVisible;
-        }
+        let widthAdjust = this._zoomOut ? controlsNatural : controlsVisible;
+        width -= widthAdjust;
+        if (rtl)
+            x += widthAdjust;
 
         height = (fullHeight / fullWidth) * width;
         let difference = fullHeight - height;