Fixed issue with maintaining audio player "pause" state between application restarts.

Harmonia.WinUI/Session/SessionRestorer.cs

@@ -1,7 +1,6 @@
 using Harmonia.Core.Engine;
 using Harmonia.Core.Player;
 using Harmonia.Core.Playlists;
-using System;
 using System.Linq;
 using System.Threading.Tasks;
 
@@ -55,17 +54,7 @@ public class SessionRestorer(
         if (audioPlayerState.Position > 0 && audioPlayerState.Position <= playlistSong.Song.Length.TotalSeconds)
             audioPlayer.Position = audioPlayerState.Position;
 
-        switch (audioPlayerState.PlaybackState)
-        {
-            case AudioPlaybackState.Playing:
+        if (audioPlayerState.PlaybackState == AudioPlaybackState.Playing)
             audioPlayer.Play();
-                break;
-            case AudioPlaybackState.Paused:
-                audioPlayer.Pause();
-                break;
-            case AudioPlaybackState.Stopped:
-                audioPlayer.Stop();
-                break;
-        }
     }
 }

Harmonia.WinUI/Session/SessionTracker.cs

@@ -1,3 +1,4 @@
+using Harmonia.Core.Engine;
 using Harmonia.Core.Player;
 using Harmonia.Core.Playlists;
 using System;
@@ -13,7 +14,6 @@ public class SessionTracker(
     {
         playlistManager.CurrentPlaylistChanged += OnCurrentPlaylistChanged;
         audioPlayer.PlayingSongChanged += OnPlayingSongChanged;
-        audioPlayer.PropertyChanged += OnAudioPlayerPropertyChanged;
     }
 
     private void OnCurrentPlaylistChanged(object? sender, EventArgs e)
@@ -28,18 +28,21 @@ public class SessionTracker(
         audioPlayerState.PlaylistSongUID = e.NewSong?.UID;
     }
 
-    private void OnAudioPlayerPropertyChanged(object? sender, System.ComponentModel.PropertyChangedEventArgs e)
-    {
-        switch (e.PropertyName)
-        {
-            case nameof(IAudioPlayer.State):
-                sessionService.Session.Player.PlaybackState = audioPlayer.State;
-                break;
-        }
-    }
-
     public void Capture()
     {
-        sessionService.Session.Player.Position = audioPlayer.Position;
+        AudioPlayerState audioPlayerState = sessionService.Session.Player;
+
+        audioPlayerState.Position = audioPlayer.Position;
+        audioPlayerState.PlaybackState = GetSemanticPlaybackState();
+    }
+
+    private AudioPlaybackState GetSemanticPlaybackState()
+    {
+        if (audioPlayer.PlayingSong is null)
+            return AudioPlaybackState.Stopped;
+
+        return audioPlayer.State == AudioPlaybackState.Playing
+            ? AudioPlaybackState.Playing
+            : AudioPlaybackState.Paused;
     }
 }