From 0f1bbec5dea61f0cc95957081158c3a36946aa51 Mon Sep 17 00:00:00 2001
From: Erica Z <zerica@callcc.eu>
Date: Fri, 18 Oct 2024 22:17:04 +0200
Subject: [PATCH] instantly update next track info when manually switching

---
 src/playbin.vala | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/src/playbin.vala b/src/playbin.vala
index a1b5e90..fd6a177 100644
--- a/src/playbin.vala
+++ b/src/playbin.vala
@@ -37,6 +37,8 @@ class Playbin : GLib.Object {
 
     public uint play_queue_position { get; private set; }
     public Subsonic.Song? song { get; private set; }
+
+    private bool notify_next_playing;
     public signal void now_playing ();
 
     public double position { get; private set; default = 0.0; }
@@ -126,8 +128,13 @@ class Playbin : GLib.Object {
                         break;
 
                     case Mpv.EventId.FILE_LOADED:
-                        this.song = (Subsonic.Song) this.play_queue.get_item (this.play_queue_position);
-                        this.now_playing ();
+                        if (this.notify_next_playing) {
+                            this.song = (Subsonic.Song) this.play_queue.get_item (this.play_queue_position);
+                            this.now_playing ();
+                        } else {
+                            assert (this.song == (Subsonic.Song) this.play_queue.get_item (this.play_queue_position));
+                            this.notify_next_playing = true;
+                        }
                         break;
 
                     case Mpv.EventId.END_FILE:
@@ -159,6 +166,10 @@ class Playbin : GLib.Object {
     {
         assert (this.mpv.command ({"playlist-play-index", position.to_string ()}) >= 0);
         this.state = PlaybinState.PLAYING;
+        this.play_queue_position = position;
+        this.song = (Subsonic.Song) this.play_queue.get_item (position);
+        this.now_playing ();
+        this.notify_next_playing = false;
     }
 
     public void pause () {