[gnome-shell] location: Don't show menu if geoclue is totally incapable

[Zeeshan Ali Khattak <zeeshanak src gnome org>]

commit 9217f2c91682d9ce2d25a175e1e0c197adce0756
Author: Zeeshan Ali (Khattak) <zeeshanak gnome org>
Date:   Sat Feb 15 15:46:07 2014 +0000

    location: Don't show menu if geoclue is totally incapable
    
    If geoclue can't provide location at all (no GPS or network), don't
    bother to show controls that don't serve any purpose.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=723684

 js/ui/status/location.js |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/js/ui/status/location.js b/js/ui/status/location.js
index d83aaf6..7f68b36 100644
--- a/js/ui/status/location.js
+++ b/js/ui/status/location.js
@@ -127,6 +127,7 @@ const Indicator = new Lang.Class({
         if (!this._availableAccuracyLevel) {
             this._availableAccuracyLevel = this._proxy.AvailableAccuracyLevel;
             this._maxAccuracyLevel = this._availableAccuracyLevel;
+            this._updateMenuVisibility();
         }
 
         this._syncIndicator();
@@ -183,6 +184,10 @@ const Indicator = new Lang.Class({
         var variant = new GLib.Variant('u', this._maxAccuracyLevel);
         this._agent.emit_property_changed ('MaxAccuracyLevel', variant);
         this._userSetAccuracy = false;
+    },
+
+    _updateMenuVisibility: function() {
+        this.menu.actor.visible = (this._availableAccuracyLevel != 0);
     }
 });