[sushi] mainwindow: make sure not to call toolbar methods when there's none

[Cosimo Cecchi <cosimoc src gnome org>]

commit fd8de18eccb03db14c9cf0a33808bcce49b0204c
Author: Cosimo Cecchi <cosimoc gnome org>
Date:   Wed May 11 14:59:18 2011 -0400

    mainwindow: make sure not to call toolbar methods when there's none

 src/js/ui/mainWindow.js |   14 +++++++++-----
 1 files changed, 9 insertions(+), 5 deletions(-)
---
diff --git a/src/js/ui/mainWindow.js b/src/js/ui/mainWindow.js
index 49b5e03..b227bc5 100644
--- a/src/js/ui/mainWindow.js
+++ b/src/js/ui/mainWindow.js
@@ -307,8 +307,10 @@ MainWindow.prototype = {
     _exitFullScreen : function() {
         this._isFullScreen = false;
 
-        this._toolbarActor.set_opacity(0);
-        this._removeToolbarTimeout();
+        if (this._toolbarActor) {
+            this._toolbarActor.set_opacity(0);
+            this._removeToolbarTimeout();
+        }
 
         /* wait for the next stage allocation to fade in the texture 
          * and background again.
@@ -375,9 +377,11 @@ MainWindow.prototype = {
     _enterFullScreen : function() {
         this._isFullScreen = true;
 
-        /* prepare the toolbar */
-        this._toolbarActor.set_opacity(0);
-        this._removeToolbarTimeout();
+        if (this._toolbarActor) {
+            /* prepare the toolbar */
+            this._toolbarActor.set_opacity(0);
+            this._removeToolbarTimeout();
+        }
 
         /* wait for the next stage allocation to fade in the texture 
          * and background again.