[gnome-boxes] machine: Screenshots only affect main_window

[Zeeshan Ali Khattak <zeeshanak src gnome org>]

commit 81009072e14095b290d7ca7ac268ceda37cea7e2
Author: Zeeshan Ali (Khattak) <zeeshanak gnome org>
Date:   Thu Sep 4 17:46:00 2014 +0100

    machine: Screenshots only affect main_window
    
    Screenshots enabling/disabling is only related to main_window

 src/machine.vala |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/src/machine.vala b/src/machine.vala
index 47b7df9..073f948 100644
--- a/src/machine.vala
+++ b/src/machine.vala
@@ -190,8 +190,8 @@ private abstract class Boxes.Machine: Boxes.CollectionItem, Boxes.IPropertiesPro
         pixbuf = draw_fallback_vm ();
 
         notify["ui-state"].connect (ui_state_changed);
-        ui_state_id = window.notify["ui-state"].connect (() => {
-            if (window.ui_state == UIState.DISPLAY)
+        ui_state_id = App.app.main_window.notify["ui-state"].connect (() => {
+            if (App.app.main_window.ui_state == UIState.DISPLAY)
                 set_screenshot_enable (false);
             else
                 set_screenshot_enable (true);
@@ -215,7 +215,7 @@ private abstract class Boxes.Machine: Boxes.CollectionItem, Boxes.IPropertiesPro
             if (screenshot_id != 0)
                 return;
             update_screenshot.begin (false, true);
-            var interval = window.settings.get_int ("screenshot-interval");
+            var interval = App.app.main_window.settings.get_int ("screenshot-interval");
             screenshot_id = Timeout.add_seconds (interval, () => {
                 update_screenshot.begin ();
 
@@ -504,7 +504,7 @@ private abstract class Boxes.Machine: Boxes.CollectionItem, Boxes.IPropertiesPro
 
         set_screenshot_enable (false);
         if (ui_state_id != 0) {
-            window.disconnect (ui_state_id);
+            App.app.main_window.disconnect (ui_state_id);
             ui_state_id = 0;
         }