[gnome-shell] slider: Unset signal IDs when ending the slider drag

[Florian Müllner <fmuellner src gnome org>]

commit 2156577333fd96514888a8f2f825a14ab05b614a
Author: Jonas Dreßler <verdre v0yd nl>
Date:   Sun Sep 22 13:31:02 2019 +0200

    slider: Unset signal IDs when ending the slider drag
    
    Unset the signal IDs we connected to when starting the drag. Otherwise
    we get error messages if a touch drag is ended after a mouse drag
    happened because the signal IDs are still set but no signals are
    connected.
    
    https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/740

 js/ui/slider.js | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)
---
diff --git a/js/ui/slider.js b/js/ui/slider.js
index 3e35dbcb26..662716d670 100644
--- a/js/ui/slider.js
+++ b/js/ui/slider.js
@@ -100,10 +100,15 @@ var Slider = GObject.registerClass({
 
     _endDragging() {
         if (this._dragging) {
-            if (this._releaseId)
+            if (this._releaseId) {
                 this.disconnect(this._releaseId);
-            if (this._motionId)
+                this._releaseId = 0;
+            }
+
+            if (this._motionId) {
                 this.disconnect(this._motionId);
+                this._motionId = 0;
+            }
 
             if (this._grabbedSequence != null)
                 this._grabbedDevice.sequence_ungrab(this._grabbedSequence);