[gnome-shell/wip/rstrode/login-screen-extensions: 101/134] main: Inhibit animations if X server advertises VNC-EXTENSION

[Ray Strode <halfline src gnome org>]

commit b1a9af12ca04ec045c6aa59e4910bf467f76490f
Author: Jonas Ådahl <jadahl gmail com>
Date:   Tue Oct 1 12:03:52 2019 +0200

    main: Inhibit animations if X server advertises VNC-EXTENSION
    
    This was previously done by gsd-xsettings to disable animations when
    running in Xvnc.
    
    https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/757

 js/ui/main.js | 7 +++++++
 1 file changed, 7 insertions(+)
---
diff --git a/js/ui/main.js b/js/ui/main.js
index 3c72c38d47..64a416267d 100644
--- a/js/ui/main.js
+++ b/js/ui/main.js
@@ -735,5 +735,12 @@ var AnimationsSettings = class {
             St.Settings.get().inhibit_animations();
             return;
         }
+
+        let isXvnc = Shell.util_has_x11_display_extension(
+            global.display, 'VNC-EXTENSION');
+        if (isXvnc) {
+            St.Settings.get().inhibit_animations();
+            return;
+        }
     }
 };