Add single play loop mode

sabihoshi · Aug 3, 2021 · 71e5076 · 71e5076
1 parent acf8bdc
commit 71e5076
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Showing 3 changed files with 51 additions and 35 deletions.
diff --git a/GenshinLyreMidiPlayer.WPF/GenshinLyreMidiPlayer.WPF.csproj b/GenshinLyreMidiPlayer.WPF/GenshinLyreMidiPlayer.WPF.csproj
@@ -1,12 +1,12 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <OutputType>WinExe</OutputType>
     <TargetFramework>net5.0-windows10.0.19041.0</TargetFramework>
     <UseWPF>true</UseWPF>
     <StartupObject>GenshinLyreMidiPlayer.WPF.App</StartupObject>
     <ApplicationManifest>app.manifest</ApplicationManifest>
-    <Version>2.3.2</Version>
+    <Version>2.3.3</Version>
     <ApplicationIcon>item_windsong_lyre.ico</ApplicationIcon>
     <Nullable>enable</Nullable>
     <RepositoryUrl>https://github.com/sabihoshi/GenshinLyreMidiPlayer</RepositoryUrl>

diff --git a/GenshinLyreMidiPlayer.WPF/ViewModels/LyrePlayerViewModel.cs b/GenshinLyreMidiPlayer.WPF/ViewModels/LyrePlayerViewModel.cs
@@ -16,7 +16,6 @@
 using ModernWpf.Controls;
 using Stylet;
 using StyletIoC;
-using static Windows.Media.MediaPlaybackAutoRepeatMode;
 using static GenshinLyreMidiPlayer.WPF.Core.LyrePlayer.Transpose;
 using MidiFile = GenshinLyreMidiPlayer.Data.Midi.MidiFile;
 
@@ -91,7 +90,7 @@ public bool CanHitNext
         {
             get
             {
-                if (Playlist.Loop is List or Track)
+                if (Playlist.Loop is not PlaylistViewModel.LoopMode.Playlist)
                     return true;
 
                 var last = Playlist.GetPlaylist().LastOrDefault();
@@ -175,12 +174,17 @@ public async void Handle(PlayTimerNotification message)
 
         public void OnSongPositionChanged()
         {
-            if (!_ignoreSliderChange && Playback is { IsRunning: true })
+            NotifyOfPropertyChange(() => CurrentTime);
+
+            if (Playback is null) Next();
+
+            if (!_ignoreSliderChange && Playback is not null)
             {
+                var isRunning = Playback.IsRunning;
                 Playback.Stop();
-                Playback.MoveToTime(new MetricTimeSpan(CurrentTime));
+                Playback.MoveToTime(new MetricTimeSpan(_songPosition));
 
-                if (Settings.UseSpeakers)
+                if (Settings.UseSpeakers && isRunning)
                     Playback.Start();
             }
 
@@ -191,12 +195,13 @@ public void OnSelectedMidiInputChanged()
         {
             _inputDevice?.Dispose();
 
-            if (SelectedMidiInput?.DeviceName != null && SelectedMidiInput.DeviceName != "None")
+            if (SelectedMidiInput?.DeviceName is not null
+                && SelectedMidiInput.DeviceName != "None")
             {
                 _inputDevice = InputDevice.GetByName(SelectedMidiInput.DeviceName);
 
-                _inputDevice.EventReceived += OnNoteEvent;
-                _inputDevice.StartEventsListening();
+                _inputDevice!.EventReceived += OnNoteEvent;
+                _inputDevice!.StartEventsListening();
             }
         }
 
@@ -375,12 +380,18 @@ public async void Next()
         {
             var next = Playlist.Next();
             if (next is null)
+            {
+                if (Playback is not null)
+                {
+                    Playback.PlaybackStart = null;
+                    Playback.MoveToStart();
+                }
+
+                MoveSlider(TimeSpan.Zero);
                 return;
+            }
 
-            if (next == Playlist.OpenedFile && Playlist.Loop == Track)
-                Handle(next);
-            else if (next != Playlist.OpenedFile)
-                Handle(next);
+            Handle(next);
 
             if (Playback is not null)
                 await PlayPause();

diff --git a/GenshinLyreMidiPlayer.WPF/ViewModels/PlaylistViewModel.cs b/GenshinLyreMidiPlayer.WPF/ViewModels/PlaylistViewModel.cs
@@ -3,7 +3,6 @@
 using System.Linq;
 using System.Threading.Tasks;
 using System.Windows.Media;
-using Windows.Media;
 using GenshinLyreMidiPlayer.Data;
 using GenshinLyreMidiPlayer.Data.Entities;
 using GenshinLyreMidiPlayer.WPF.ModernWPF.Errors;
@@ -13,13 +12,20 @@
 using ModernWpf.Controls;
 using Stylet;
 using StyletIoC;
-using static Windows.Media.MediaPlaybackAutoRepeatMode;
 using MidiFile = GenshinLyreMidiPlayer.Data.Midi.MidiFile;
 
 namespace GenshinLyreMidiPlayer.WPF.ViewModels
 {
     public class PlaylistViewModel : Screen
     {
+        public enum LoopMode
+        {
+            Once,
+            Track,
+            Playlist,
+            All
+        }
+
         private readonly IEventAggregator _events;
         private readonly IContainer _ioc;
 
@@ -39,7 +45,7 @@ public PlaylistViewModel(IContainer ioc, IEventAggregator events)
 
         public bool Shuffle { get; set; }
 
-        public MediaPlaybackAutoRepeatMode Loop { get; set; }
+        public LoopMode Loop { get; set; }
 
         public MidiFile? OpenedFile { get; set; }
 
@@ -56,9 +62,10 @@ public PlaylistViewModel(IContainer ioc, IEventAggregator events)
         public string LoopStateString =>
             Loop switch
             {
-                None  => "\xF5E7",
-                Track => "\xE8ED",
-                List  => "\xE8EE"
+                LoopMode.Once     => "\xF5E7",
+                LoopMode.Track    => "\xE8ED",
+                LoopMode.Playlist => "\xEBE7",
+                LoopMode.All      => "\xE8EE"
             };
 
         public void OnFilterTextChanged(AutoSuggestBox sender, AutoSuggestBoxTextChangedEventArgs e)
@@ -79,32 +86,30 @@ public void ToggleShuffle()
         public void ToggleLoop()
         {
             var loopState = (int) Loop;
-            var loopStates = Enum.GetValues(typeof(MediaPlaybackAutoRepeatMode)).Length;
+            var loopStates = Enum.GetValues(typeof(LoopMode)).Length;
 
             var newState = (loopState + 1) % loopStates;
-            Loop = (MediaPlaybackAutoRepeatMode) newState;
+            Loop = (LoopMode) newState;
         }
 
         public MidiFile? Next()
         {
             var playlist = GetPlaylist().ToList();
+            if (OpenedFile is null) return playlist.FirstOrDefault();
 
-            if (Loop == Track)
-                return OpenedFile ?? playlist.FirstOrDefault();
-
-            var next = playlist.FirstOrDefault();
-
-            if (OpenedFile is not null)
+            switch (Loop)
             {
-                var current = playlist.IndexOf(OpenedFile) + 1;
-
-                if (Loop is List)
-                    current %= playlist.Count;
-
-                next = playlist.ElementAtOrDefault(current);
+                case LoopMode.Once:
+                    return null;
+                case LoopMode.Track:
+                    return OpenedFile;
             }
 
-            return next;
+            var next = playlist.IndexOf(OpenedFile) + 1;
+            if (Loop is LoopMode.All)
+                next %= playlist.Count;
+
+            return playlist.ElementAtOrDefault(next);
         }
 
         public BindableCollection<MidiFile> GetPlaylist() => Shuffle ? ShuffledTracks : Tracks;