[gnome-shell] system: Do not disable suspend action when locked

[Florian Müllner <fmuellner src gnome org>]

commit 2425b11df6d1d5725b58b47199f8985f82d9cd77
Author: Florian Müllner <fmuellner gnome org>
Date:   Wed Mar 18 23:54:25 2015 +0100

    system: Do not disable suspend action when locked
    
    gnome-settings-daemon now allows the corresponding keybinding, so
    for consistency it makes sense to show the button as well.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=725960

 js/ui/status/system.js |   13 ++++++++-----
 1 files changed, 8 insertions(+), 5 deletions(-)
---
diff --git a/js/ui/status/system.js b/js/ui/status/system.js
index 4981d94..1d666cf 100644
--- a/js/ui/status/system.js
+++ b/js/ui/status/system.js
@@ -306,14 +306,17 @@ const Indicator = new Lang.Class({
     },
 
     _updateHaveSuspend: function() {
-        this._loginManager.canSuspend(Lang.bind(this, function(result) {
-            this._haveSuspend = result;
-            this._updateSuspend();
-        }));
+        this._loginManager.canSuspend(Lang.bind(this,
+            function(canSuspend, needsAuth) {
+                this._haveSuspend = canSuspend;
+                this._suspendNeedsAuth = needsAuth;
+                this._updateSuspend();
+            }));
     },
 
     _updateSuspend: function() {
-        let disabled = Main.sessionMode.isLocked ||
+        let disabled = (Main.sessionMode.isLocked &&
+                        this._suspendNeedsAuth) ||
                        (Main.sessionMode.isGreeter &&
                         this._loginScreenSettings.get_boolean(DISABLE_RESTART_KEY));
         this._suspendAction.visible = this._haveSuspend && !disabled;