[totem/wip/hadess/remaining-time: 6/8] backend: Add special-case for unknown length

[Bastien Nocera <hadess src gnome org>]

commit c3051c40cd7a710d35fd91d06527f475fba1d0fa
Author: Bastien Nocera <hadess hadess net>
Date:   Tue Feb 19 04:02:14 2019 +0100

    backend: Add special-case for unknown length

 src/backend/bacon-time-label.c | 4 ++++
 1 file changed, 4 insertions(+)
---
diff --git a/src/backend/bacon-time-label.c b/src/backend/bacon-time-label.c
index d71bfc5aa..20b1e8da0 100644
--- a/src/backend/bacon-time-label.c
+++ b/src/backend/bacon-time-label.c
@@ -134,6 +134,10 @@ bacon_time_label_set_time (BaconTimeLabel *label,
 {
        g_return_if_fail (BACON_IS_TIME_LABEL (label));
 
+       if (label->priv->length == -1 &&
+           length == -1)
+               return;
+
        if (_time / 1000 == label->priv->time / 1000 &&
            length / 1000 == label->priv->length / 1000)
                return;