[gnome-shell/wip/fmuellner/volume-change-feedback: 1660/1660] volume: Skip volume-change feedback while playing

[Florian Müllner <fmuellner src gnome org>]

commit 5d38756e232b7d003596c354cc71c252e95ecc15
Author: Florian Müllner <fmuellner gnome org>
Date:   Fri Nov 22 18:37:25 2019 +0100

    volume: Skip volume-change feedback while playing
    
    The audio feedback for volume changes is useful when nothing is outputting
    sound, but only then. Skip the sound notification in that case.
    
    https://gitlab.gnome.org/GNOME/gnome-shell/issues/53

 js/ui/status/volume.js | 3 +++
 1 file changed, 3 insertions(+)
---
diff --git a/js/ui/status/volume.js b/js/ui/status/volume.js
index 6be1b2f6a7..e1dd8f7c4c 100644
--- a/js/ui/status/volume.js
+++ b/js/ui/status/volume.js
@@ -136,6 +136,9 @@ var StreamSlider = class {
     }
 
     _notifyVolumeChange() {
+        if (this._stream.state === Gvc.MixerStreamState.RUNNING)
+            return; // feedback not necessary while playing
+
         if (this._volumeCancellable)
             this._volumeCancellable.cancel();