[gnome-shell] pointerA11yTimeout: Use notify handler instead of onUpdate callback

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit bf497ed643ee77b1439d41356445411b50ce4569
Author: Florian Müllner <fmuellner gnome org>
Date:   Fri Jul 26 02:28:40 2019 +0200

    pointerA11yTimeout: Use notify handler instead of onUpdate callback
    
    We either need to queue a repaint on opacity updates or we don't,
    whether the opacity change happens in an animation or not shouldn't
    matter.
    
    https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/654

 js/ui/pointerA11yTimeout.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/js/ui/pointerA11yTimeout.js b/js/ui/pointerA11yTimeout.js
index 67b58f8af..0bbe4a46c 100644
--- a/js/ui/pointerA11yTimeout.js
+++ b/js/ui/pointerA11yTimeout.js
@@ -17,6 +17,8 @@ class PieTimer extends St.DrawingArea {
             can_focus: false,
             reactive: false
         });
+
+        this.connect('notify::opacity', this.queue_repaint.bind(this));
     }
 
     vfunc_repaint() {
@@ -69,7 +71,6 @@ class PieTimer extends St.DrawingArea {
                          { opacity: 255,
                            time: duration / 1000,
                            transition: 'easeOutQuad',
-                           onUpdate: () => this.queue_repaint(),
                            onComplete: () => this.stop()
                           });
     }