新增：

- 歌词原文译文分隔符现可自定义
- 音乐库新增“播放全部”按钮
- 接入 Last.fm 服务（分别为播放源配置是否开启 Last.fm 听歌记录服务）

改动：
- 分别为播放源配置歌词源、设置歌词同步阈值、歌词偏移值

修复：
- 在启用强制显示在全屏应用上时从停靠模式、桌面模式切回标准模式后窗口仍永远处于顶部的异常行为
- “歌词背景不透明度“选项对桌面模式、停靠模式无效的问题

BetterLyrics.WinUI3/BetterLyrics.WinUI3 (Package)/Package.appxmanifest

@@ -12,7 +12,7 @@
 	<Identity
 	  Name="37412.BetterLyrics"
 	  Publisher="CN=E1428B0E-DC1D-4EA4-ACB1-4556569D5BA9"
-	  Version="1.0.42.0" />
+	  Version="1.0.45.0" />
 
 	<mp:PhoneIdentity PhoneProductId="ca4a4830-fc19-40d9-b823-53e2bff3d816" PhonePublisherId="00000000-0000-0000-0000-000000000000"/>
 

BetterLyrics.WinUI3/BetterLyrics.WinUI3/App.xaml

@@ -51,6 +51,8 @@
             <converter:TranslationSearchProviderToDisplayNameConverter x:Key="TranslationSearchProviderToDisplayNameConverter" />
             <converter:AlbumArtSearchProviderToDisplayNameConverter x:Key="AlbumArtSearchProviderToDisplayNameConverter" />
             <converter:SecondsToFormattedTimeConverter x:Key="SecondsToFormattedTimeConverter" />
+            <converter:MediaSourceProviderToLogoUriConverter x:Key="MediaSourceProviderToLogoUriConverter" />
+            <converter:MediaSourceProviderToDisplayedNameConverter x:Key="MediaSourceProviderToDisplayedNameConverter" />
             <converters:BoolToVisibilityConverter x:Key="BoolToVisibilityConverter" />
             <converters:BoolNegationConverter x:Key="BoolNegationConverter" />
             <converters:ColorToDisplayNameConverter x:Key="ColorToDisplayNameConverter" />

BetterLyrics.WinUI3/BetterLyrics.WinUI3/App.xaml.cs

@@ -3,7 +3,16 @@
 using BetterLyrics.WinUI3.Enums;
 using BetterLyrics.WinUI3.Helper;
 using BetterLyrics.WinUI3.Services;
+using BetterLyrics.WinUI3.Services.AlbumArtSearchService;
+using BetterLyrics.WinUI3.Services.LastFMService;
+using BetterLyrics.WinUI3.Services.LibWatcherService;
+using BetterLyrics.WinUI3.Services.LyricsSearchService;
+using BetterLyrics.WinUI3.Services.MediaSessionsService;
+using BetterLyrics.WinUI3.Services.SettingsService;
+using BetterLyrics.WinUI3.Services.TranslateService;
 using BetterLyrics.WinUI3.ViewModels;
+using BetterLyrics.WinUI3.ViewModels.LyricsRendererViewModel;
+using BetterLyrics.WinUI3.ViewModels.SettingsPageViewModel;
 using BetterLyrics.WinUI3.Views;
 using CommunityToolkit.Mvvm.DependencyInjection;
 using Microsoft.Extensions.DependencyInjection;
@@ -64,7 +73,7 @@ namespace BetterLyrics.WinUI3
         private void EnsureSingleInstance()
         {
             bool createdNew;
-            _instanceMutex = new Mutex(true, MetadataHelper.AppName, out createdNew);
+            _instanceMutex = new Mutex(true, Constants.App.AppName, out createdNew);
 
             if (!createdNew)
             {
@@ -102,11 +111,12 @@ namespace BetterLyrics.WinUI3
                     })
                     // Services
                     .AddSingleton<ISettingsService, SettingsService>()
-                    .AddSingleton<IPlaybackService, PlaybackService>()
+                    .AddSingleton<IMediaSessionsService, MediaSessionsService>()
                     .AddSingleton<IAlbumArtSearchService, AlbumArtSearchService>()
                     .AddSingleton<ILyricsSearchService, LyricsSearchService>()
                     .AddSingleton<ILibWatcherService, LibWatcherService>()
                     .AddSingleton<ITranslateService, TranslateService>()
+                    .AddSingleton<ILastFMService, LastFMService>()
                     // ViewModels
                     .AddSingleton<LyricsWindowViewModel>()
                     .AddSingleton<SettingsWindowViewModel>()

BetterLyrics.WinUI3/BetterLyrics.WinUI3/BetterLyrics.WinUI3.csproj

@@ -53,8 +53,8 @@
 		<PackageReference Include="Dubya.WindowsMediaController" Version="2.5.5" />
 		<PackageReference Include="H.NotifyIcon.WinUI" Version="2.3.0" />
 		<PackageReference Include="Lyricify.Lyrics.Helper-NativeAot" Version="0.1.4-alpha.5" />
-		<PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="9.0.7" />
-		<PackageReference Include="Microsoft.Extensions.Logging" Version="9.0.7" />
+		<PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="9.0.8" />
+		<PackageReference Include="Microsoft.Extensions.Logging" Version="9.0.8" />
 		<PackageReference Include="Microsoft.Graphics.Win2D" Version="1.3.2" />
 		<PackageReference Include="Microsoft.Windows.SDK.BuildTools" Version="10.0.26100.4654" />
 		<PackageReference Include="Microsoft.WindowsAppSDK" Version="1.7.250606001" />
@@ -65,8 +65,8 @@
 		<PackageReference Include="Serilog.Sinks.File" Version="7.0.0" />
 		<PackageReference Include="ShadowViewer.Controls.Notification" Version="1.2.1" />
 		<PackageReference Include="SixLabors.ImageSharp" Version="3.1.11" />
-		<PackageReference Include="System.Drawing.Common" Version="9.0.7" />
-		<PackageReference Include="System.Text.Encoding.CodePages" Version="9.0.7" />
+		<PackageReference Include="System.Drawing.Common" Version="9.0.8" />
+		<PackageReference Include="System.Text.Encoding.CodePages" Version="9.0.8" />
 		<PackageReference Include="TagLibSharp" Version="2.3.0" />
 		<PackageReference Include="TinyPinyin.Net" Version="1.0.2" />
 		<PackageReference Include="Ude.NetStandard" Version="1.2.0" />
@@ -78,6 +78,11 @@
 		<PackageReference Include="WinUIEx" Version="2.6.0" />
 		<PackageReference Include="z440.atl.core" Version="7.2.0" />
 	</ItemGroup>
+	<ItemGroup>
+	  <Reference Include="Hqub.Lastfm">
+	    <HintPath>..\..\..\Last.fm\src\Hqub.Lastfm\bin\Release\netstandard2.0\Hqub.Lastfm.dll</HintPath>
+	  </Reference>
+	</ItemGroup>
 	<ItemGroup>
 		<Page Update="Rendering\InAppLyricsRenderer.xaml">
 			<Generator>MSBuild:Compile</Generator>
@@ -93,27 +98,78 @@
 		<TrimmerRootAssembly Include="TagLibSharp" />
 	</ItemGroup>
 	<ItemGroup>
+	  <Content Update="Assets\AIMP.png">
+	    <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+	  </Content>
+	  <Content Update="Assets\AppleMusic.png">
+	    <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+	  </Content>
+	  <Content Update="Assets\Chrome.png">
+	    <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+	  </Content>
 	  <Content Update="Assets\Discord.png">
 	    <CopyToOutputDirectory>Always</CopyToOutputDirectory>
 	  </Content>
+	  <Content Update="Assets\Edge.png">
+	    <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+	  </Content>
 	  <Content Update="Assets\EmptyBox.png">
 	    <CopyToOutputDirectory>Always</CopyToOutputDirectory>
 	  </Content>
 	  <Content Update="Assets\EmptyState.png">
 	    <CopyToOutputDirectory>Always</CopyToOutputDirectory>
 	  </Content>
+	  <Content Update="Assets\foobar2000.png">
+	    <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+	  </Content>
+	  <Content Update="Assets\iTunes.png">
+	    <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+	  </Content>
+	  <Content Update="Assets\KugouMusic.png">
+	    <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+	  </Content>
+	  <Content Update="Assets\LastFM.png">
+	    <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+	  </Content>
+	  <Content Update="Assets\Leaf.png">
+	    <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+	  </Content>
 	  <Content Update="Assets\Logo.ico">
 	    <CopyToOutputDirectory>Always</CopyToOutputDirectory>
 	  </Content>
 	  <Content Update="Assets\Logo.png">
 	    <CopyToOutputDirectory>Always</CopyToOutputDirectory>
 	  </Content>
+	  <Content Update="Assets\LXMusic.png">
+	    <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+	  </Content>
+	  <Content Update="Assets\MediaPlayerWindows11.png">
+	    <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+	  </Content>
+	  <Content Update="Assets\MusicBee.png">
+	    <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+	  </Content>
+	  <Content Update="Assets\NetEaseCloudMusic.png">
+	    <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+	  </Content>
+	  <Content Update="Assets\PotPlayer.png">
+	    <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+	  </Content>
 	  <Content Update="Assets\QQ.png">
 	    <CopyToOutputDirectory>Always</CopyToOutputDirectory>
 	  </Content>
+	  <Content Update="Assets\QQMusic.png">
+	    <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+	  </Content>
+	  <Content Update="Assets\Question.png">
+	    <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+	  </Content>
 	  <Content Update="Assets\Segoe Fluent Icons.ttf">
 	    <CopyToOutputDirectory>Always</CopyToOutputDirectory>
 	  </Content>
+	  <Content Update="Assets\Spotify.png">
+	    <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+	  </Content>
 	  <Content Update="Assets\Telegram.png">
 	    <CopyToOutputDirectory>Always</CopyToOutputDirectory>
 	  </Content>

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Constants/AmllTTmlDB.cs

@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace BetterLyrics.WinUI3.Constants
+{
+    public static class AmllTTmlDB
+    {
+        private const string BaseUrl = "https://raw.githubusercontent.com/Steve-xmh/amll-ttml-db/refs/heads/main/";
+        public const string QueryPrefix = $"{BaseUrl}raw-lyrics/";
+        public const string Index = $"{BaseUrl}metadata/raw-lyrics-index.jsonl";
+    }
+}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Constants/App.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace BetterLyrics.WinUI3.Constants
+{
+    public static class App
+    {
+        public const string AppAuthor = "Zhe Fang";
+        public const string AppName = "BetterLyrics";
+
+        public const string AutoStartupTaskId = "AutoStartup";
+    }
+}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Constants/LXMusic.cs

@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace BetterLyrics.WinUI3.Constants
+{
+    public static class LXMusic
+    {
+        public const string QuerySuffix = "/subscribe-player-status?filter=progress,duration";
+    }
+}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Constants/LastFMTemplate

@@ -0,0 +1,9 @@
+namespace BetterLyrics.WinUI3.Constants
+{
+    public static class LastFM
+    {
+        public const string ApiKey = "Your api key here";
+        public const string SharedSecret = "Your shared secret here";
+        public const string UnAuthUrl = "https://www.last.fm/settings/applications";
+    }
+}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Constants/Link.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace BetterLyrics.WinUI3.Constants
+{
+    public static class Link
+    {
+        public const string GithubUrl = "https://github.com/jayfunc/BetterLyrics";
+        public const string QQGroupUrl = "https://qun.qq.com/universal-share/share?ac=1&authKey=4Q%2BYTq3wZldYpF5SbS5c19ECFsiYoLZFAIcBNNzYpBUtiEjaZ8sZ%2F%2BnFN0qw3lad&busi_data=eyJncm91cENvZGUiOiIxMDU0NzAwMzg4IiwidG9rZW4iOiJiVnhqemVYN0N5QVc3b1ZkR24wWmZOTUtvUkJoWm1JRWlaWW5iZnlBcXJtZUtGc2FFTHNlUlFZMi9iRm03cWF5IiwidWluIjoiMTM5NTczOTY2MCJ9&data=39UmAihyH_o6CZaOs7nk2mO_lz2ruODoDou6pxxh7utcxP4WF5sbDBDOPvZ_Wqfzeey4441anegsLYQJxkrBAA&svctype=4&tempid=h5_group_info";
+        public const string DiscordUrl = "https://discord.gg/5yAQPnyCKv";
+        public const string TelegramUrl = "https://t.me/+svhSLZ7awPsxNGY1";
+    }
+}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Constants/PlayerID.cs

@@ -0,0 +1,29 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Windows.ApplicationModel;
+
+namespace BetterLyrics.WinUI3.Constants
+{
+    public static class PlayerID
+    {
+        public const string LXMusic = "cn.toside.music.desktop";
+        public const string MediaPlayerWindows11 = "Microsoft.ZuneMusic_8wekyb3d8bbwe!Microsoft.ZuneMusic";
+        public const string AIMP = "AIMP.exe";
+        public const string Foobar2000 = "foobar2000.exe";
+        public const string MusicBee = "MusicBee.exe";
+        public const string PotPlayer = "PotPlayerMini64.exe";
+        public const string Spotify = "Spotify.exe";
+        public const string AppleMusic = "AppleInc.AppleMusicWin_nzyj5cx40ttqa!App";
+        public const string NetEaseCloudMusic = "cloudmusic.exe";
+        public const string KugouMusic = "kugou";
+        public const string QQMusic = "QQMusic.exe";
+        public const string iTunes = "49586DaveAntoine.MediaControllerforiTunes_9bzempp7dntjg!App";
+        public const string Chrome = "Chrome";
+        public const string Edge = "MSEdge";
+        public const string BetterLyrics = "37412.BetterLyrics_rd1g0rsrrtxw8!App";
+        public const string BetterLyricsDebug = "37412.BetterLyrics_c8mj3v9sysxb4!App";
+    }
+}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Constants/PlayerName.cs

@@ -0,0 +1,28 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace BetterLyrics.WinUI3.Constants
+{
+    public class PlayerName
+    {
+        public const string LXMusic = "LX Music";
+        public const string MediaPlayerWindows11 = "Media Player";
+        public const string AIMP = "AIMP";
+        public const string Foobar2000 = "foobar2000";
+        public const string MusicBee = "MusicBee";
+        public const string PotPlayer = "PotPlayer";
+        public const string Spotify = "Spotify";
+        public const string AppleMusic = "Apple Music";
+        public const string NetEaseCloudMusic = "网易云音乐";
+        public const string KugouMusic = "酷狗音乐";
+        public const string QQMusic = "QQ 音乐";
+        public const string iTunes = "iTunes";
+        public const string Chrome = "Google Chrome";
+        public const string Edge = "Microsoft Edge";
+        public const string BetterLyrics = "BetterLyrics";
+        public const string BetterLyricsDebug = "BetterLyrics (Debug)";
+    }
+}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Constants/Time.cs

@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace BetterLyrics.WinUI3.Constants
+{
+    public static class Time
+    {
+        public static readonly TimeSpan DebounceTimeout = TimeSpan.FromMilliseconds(300);
+    }
+}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Constants/iTunes.cs

@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace BetterLyrics.WinUI3.Constants
+{
+    public static class iTunes
+    {
+        public const string QueryPrefix = "https://itunes.apple.com/search?";
+    }
+}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Converter/LyricsSearchProviderToDisplayNameConverter.cs

@@ -15,9 +15,9 @@ namespace BetterLyrics.WinUI3.Converter
                 return provider switch
                 {
                     LyricsSearchProvider.LrcLib => "LrcLib",
-                    LyricsSearchProvider.QQ => "QQ",
-                    LyricsSearchProvider.Netease => "Netease",
-                    LyricsSearchProvider.Kugou => "Kugou",
+                    LyricsSearchProvider.QQ => "QQ 音乐",
+                    LyricsSearchProvider.Netease => "网易云音乐",
+                    LyricsSearchProvider.Kugou => "酷狗音乐",
                     LyricsSearchProvider.AmllTtmlDb => "amll-ttml-db",
                     LyricsSearchProvider.LocalLrcFile => App.ResourceLoader!.GetString("LyricsSearchProviderLocalLrcFile"),
                     LyricsSearchProvider.LocalMusicFile => App.ResourceLoader!.GetString("LyricsSearchProviderLocalMusicFile"),

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Converter/MediaSourceProviderToDisplayedNameConverter.cs

@@ -0,0 +1,47 @@
+using BetterLyrics.WinUI3.Constants;
+using BetterLyrics.WinUI3.Helper;
+using Microsoft.UI.Xaml.Data;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace BetterLyrics.WinUI3.Converter
+{
+    public class MediaSourceProviderToDisplayedNameConverter : IValueConverter
+    {
+        public object Convert(object value, Type targetType, object parameter, string language)
+        {
+            if (value is string provider)
+            {
+                return provider switch
+                {
+                    PlayerID.Spotify => PlayerName.Spotify,
+                    PlayerID.AppleMusic => PlayerName.AppleMusic,
+                    PlayerID.iTunes => PlayerName.iTunes,
+                    PlayerID.KugouMusic => PlayerName.KugouMusic,
+                    PlayerID.NetEaseCloudMusic => PlayerName.NetEaseCloudMusic,
+                    PlayerID.QQMusic => PlayerName.QQMusic,
+                    PlayerID.LXMusic => PlayerName.LXMusic,
+                    PlayerID.MediaPlayerWindows11 => PlayerName.MediaPlayerWindows11,
+                    PlayerID.AIMP => PlayerName.AIMP,
+                    PlayerID.Foobar2000 => PlayerName.Foobar2000,
+                    PlayerID.MusicBee => PlayerName.MusicBee,
+                    PlayerID.PotPlayer => PlayerName.PotPlayer,
+                    PlayerID.Chrome => PlayerName.Chrome,
+                    PlayerID.Edge => PlayerName.Edge,
+                    PlayerID.BetterLyrics => PlayerName.BetterLyrics,
+                    PlayerID.BetterLyricsDebug => PlayerName.BetterLyricsDebug,
+                    _ => provider,
+                };
+            }
+            return value?.ToString() ?? "";
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, string language)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Converter/MediaSourceProviderToLogoUriConverter.cs

@@ -0,0 +1,47 @@
+using BetterLyrics.WinUI3.Constants;
+using BetterLyrics.WinUI3.Helper;
+using Microsoft.UI.Xaml.Data;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace BetterLyrics.WinUI3.Converter
+{
+    public class MediaSourceProviderToLogoUriConverter : IValueConverter
+    {
+        public object Convert(object value, Type targetType, object parameter, string language)
+        {
+            if (value is string provider)
+            {
+                return provider switch
+                {
+                    PlayerID.Spotify => PathHelper.SpotifyLogoPath,
+                    PlayerID.AppleMusic => PathHelper.AppleMusicLogoPath,
+                    PlayerID.iTunes  => PathHelper.iTunesLogoPath,
+                    PlayerID.KugouMusic => PathHelper.KugouMusicLogoPath,
+                    PlayerID.NetEaseCloudMusic => PathHelper.NetEaseCloudMusicLogoPath,
+                    PlayerID.QQMusic => PathHelper.QQMusicLogoPath,
+                    PlayerID.LXMusic => PathHelper.LXMusicLogoPath,
+                    PlayerID.MediaPlayerWindows11 => PathHelper.MediaPlayerWindows11LogoPath,
+                    PlayerID.AIMP => PathHelper.AIMPLogoPath,
+                    PlayerID.Foobar2000 => PathHelper.Foobar2000LogoPath,
+                    PlayerID.MusicBee => PathHelper.MusicBeeLogoPath,
+                    PlayerID.PotPlayer => PathHelper.PotPlayerLogoPath,
+                    PlayerID.Chrome => PathHelper.ChromeLogoPath,
+                    PlayerID.Edge => PathHelper.EdgeLogoPath,
+                    PlayerID.BetterLyrics => PathHelper.LogoPath,
+                    PlayerID.BetterLyricsDebug => PathHelper.LogoPath,
+                    _ => PathHelper.UnknownPlayerLogoPath,
+                };
+            }
+            return PathHelper.UnknownPlayerLogoPath;
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, string language)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Events/AlbumArtChangedEventArgs.cs

@@ -8,8 +8,9 @@ using Windows.UI;
 
 namespace BetterLyrics.WinUI3.Events
 {
-    public class AlbumArtChangedEventArgs(SoftwareBitmap? albumArtSwBitmap, Color? albumArtLightAccentColor, Color? albumArtDarkAccentColor) : EventArgs
+    public class AlbumArtChangedEventArgs(byte[]? bytes, SoftwareBitmap? albumArtSwBitmap, Color? albumArtLightAccentColor, Color? albumArtDarkAccentColor) : EventArgs
     {
+        public byte[]? Bytes { get; set; } = bytes;
         public SoftwareBitmap? AlbumArtSwBitmap { get; set; } = albumArtSwBitmap;
         public Color? AlbumArtLightAccentColor { get; set; } = albumArtLightAccentColor;
         public Color? AlbumArtDarkAccentColor { get; set; } = albumArtDarkAccentColor;

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Events/LastFMIsAuthenticatedChangedEventArgs.cs

@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace BetterLyrics.WinUI3.Events
+{
+    public class LastFMIsAuthenticatedChangedEventArgs : EventArgs
+    {
+        public bool IsAuthenticated { get; set; }
+        public LastFMIsAuthenticatedChangedEventArgs(bool isAuthenticated)
+        {
+            IsAuthenticated = isAuthenticated;
+        }
+    }
+}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Events/LastFMUserChangedEventArgs.cs

@@ -0,0 +1,18 @@
+using Hqub.Lastfm.Entities;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace BetterLyrics.WinUI3.Events
+{
+    public class LastFMUserChangedEventArgs : EventArgs
+    {
+        public User? User { get; set; }
+        public LastFMUserChangedEventArgs(User? user)
+        {
+            User = user;
+        }
+    }
+}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Helper/DesktopModeHelper.cs

@@ -1,5 +1,5 @@
 using BetterLyrics.WinUI3.Enums;
-using BetterLyrics.WinUI3.Services;
+using BetterLyrics.WinUI3.Services.SettingsService;
 using CommunityToolkit.Mvvm.DependencyInjection;
 using Microsoft.UI.Windowing;
 using Microsoft.UI.Xaml;

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Helper/DockModeHelper.cs

@@ -1,5 +1,5 @@
 using BetterLyrics.WinUI3.Enums;
-using BetterLyrics.WinUI3.Services;
+using BetterLyrics.WinUI3.Services.SettingsService;
 using CommunityToolkit.Mvvm.DependencyInjection;
 using CommunityToolkit.WinUI;
 using Microsoft.UI.Xaml;

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Helper/FontHelper.cs

@@ -1,4 +1,4 @@
-using BetterLyrics.WinUI3.Services;
+using BetterLyrics.WinUI3.Services.SettingsService;
 using CommunityToolkit.Mvvm.DependencyInjection;
 using Microsoft.Graphics.Canvas.Text;
 using System;

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Helper/ImageHelper.cs

@@ -6,6 +6,7 @@ using Microsoft.Graphics.Canvas.Text;
 using Microsoft.UI;
 using Microsoft.UI.Xaml.Media.Imaging;
 using SixLabors.ImageSharp;
+using SixLabors.ImageSharp.Formats.Jpeg;
 using SixLabors.ImageSharp.Formats.Png;
 using SixLabors.ImageSharp.PixelFormats;
 using SixLabors.ImageSharp.Processing;
@@ -168,34 +169,55 @@ namespace BetterLyrics.WinUI3.Helper
 
             var themeColor = Rgba32.ParseHex(GetAccentColorsFromByte(imageBytes, 1).FirstOrDefault().ToHex());
 
-            // 新建正方形画布
             using var square = new Image<Rgba32>(size, size, themeColor);
 
-            // 计算居中位置
             int offsetX = (size - image.Width) / 2;
             int offsetY = (size - image.Height) / 2;
 
-            // 绘制原图到正方形画布
             square.Mutate(ctx => ctx.DrawImage(image, new Point(offsetX, offsetY), 1f));
 
-            // 保存为 PNG 字节流
             using var ms = new MemoryStream();
-            square.Save(ms, new PngEncoder());
+            square.Save(ms, new JpegEncoder());
             return ms.ToArray();
         }
 
         public static byte[] Resize(byte[] imageBytes, int size)
         {
-            using Image image = Image.Load(imageBytes);
-            var factor = Math.Max((float)size / image.Width, (float)size / image.Height);
+            using (Image image = Image.Load(imageBytes))
+            {
+                var factor = Math.Max((float)size / image.Width, (float)size / image.Height);
 
-            int width = (int)(image.Width * factor);
-            int height = (int)(image.Height * factor);
-            image.Mutate(x => x.Resize(width, height, KnownResamplers.Welch));
+                int width = (int)(image.Width * factor);
+                int height = (int)(image.Height * factor);
 
-            using var ms = new MemoryStream();
-            image.Save(ms, new PngEncoder());
-            return ms.ToArray();
+                if (factor > 1)
+                {
+                    image.Mutate(x => x.Resize(width, height, KnownResamplers.Welch));
+                }
+                else
+                {
+                    image.Mutate(x => x.Resize(width, height, KnownResamplers.NearestNeighbor));
+                }
+
+                using var ms = new MemoryStream();
+                image.Save(ms, new JpegEncoder());
+                return ms.ToArray();
+            }
+        }
+
+        public static byte[] GenerateNoiseBGRA(int width, int height)
+        {
+            var random = new Random();
+            var pixelData = new byte[width * height * 4];
+            for (int i = 0; i < width * height; i++)
+            {
+                byte gray = (byte)random.Next(0, 256);
+                pixelData[i * 4 + 0] = gray; // B
+                pixelData[i * 4 + 1] = gray; // G
+                pixelData[i * 4 + 2] = gray; // R
+                pixelData[i * 4 + 3] = 255;  // A
+            }
+            return pixelData;
         }
     }
 }

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Helper/LanguageHelper.cs

@@ -1,4 +1,5 @@
 using BetterLyrics.WinUI3.Helper;
+using BetterLyrics.WinUI3.Services.SettingsService;
 using CommunityToolkit.Mvvm.DependencyInjection;
 using Lyricify.Lyrics.Helpers.General;
 using NTextCat;

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Helper/MetadataHelper.cs

@@ -14,9 +14,6 @@ namespace BetterLyrics.WinUI3.Helper
 
     public static class MetadataHelper
     {
-        public const string AppAuthor = "Zhe Fang";
-        public const string AppDisplayName = "Better Lyrics";
-        public const string AppName = "BetterLyrics";
         public static string AppVersion
         {
             get
@@ -25,24 +22,5 @@ namespace BetterLyrics.WinUI3.Helper
                 return $"{version.Major}.{version.Minor}.{version.Build}.{version.Revision}";
             }
         }
-
-        public const string GithubUrl = "https://github.com/jayfunc/BetterLyrics";
-        public const string QQGroupUrl = "https://qun.qq.com/universal-share/share?ac=1&authKey=4Q%2BYTq3wZldYpF5SbS5c19ECFsiYoLZFAIcBNNzYpBUtiEjaZ8sZ%2F%2BnFN0qw3lad&busi_data=eyJncm91cENvZGUiOiIxMDU0NzAwMzg4IiwidG9rZW4iOiJiVnhqemVYN0N5QVc3b1ZkR24wWmZOTUtvUkJoWm1JRWlaWW5iZnlBcXJtZUtGc2FFTHNlUlFZMi9iRm03cWF5IiwidWluIjoiMTM5NTczOTY2MCJ9&data=39UmAihyH_o6CZaOs7nk2mO_lz2ruODoDou6pxxh7utcxP4WF5sbDBDOPvZ_Wqfzeey4441anegsLYQJxkrBAA&svctype=4&tempid=h5_group_info";
-        public const string DiscordUrl = "https://discord.gg/5yAQPnyCKv";
-        public const string TelegramUrl = "https://t.me/+svhSLZ7awPsxNGY1";
-
-        public static async Task<DateTime> GetBuildDate()
-        {
-            var assembly = Assembly.GetExecutingAssembly();
-            var filePath = assembly.Location;
-            if (!File.Exists(filePath))
-                return DateTime.MinValue;
-
-            StorageFile file = await StorageFile.GetFileFromPathAsync(filePath);
-            // 获取文件基本属性
-            BasicProperties props = await file.GetBasicPropertiesAsync();
-            // 返回修改日期
-            return props.DateModified.DateTime;
-        }
     }
 }

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Helper/NoiseGenerationHelper.cs

@@ -1,331 +0,0 @@
-using System;
-using System.Buffers;
-using System.Drawing;
-using System.IO;
-using System.Linq;
-using System.Runtime.CompilerServices;
-using System.Runtime.InteropServices;
-using System.Text.RegularExpressions;
-using System.Threading.Tasks;
-using Windows.Storage;
-using static BetterLyrics.WinUI3.Helper.NoiseOverlayHelper.BitmapFileCreator;
-
-namespace BetterLyrics.WinUI3.Helper
-{
-    internal static class NoiseOverlayHelper
-    {
-
-        const string NoiseOverlayFileName = "noise_overlay.bmp";
-
-        static readonly string NoiseOverlayFilePath = Path.Combine(ApplicationData.Current.LocalFolder.Path, "Assets", NoiseOverlayFileName);
-
-        /// <summary>
-        /// 生成 BGRA 格式的灰阶噪声像素数据
-        /// </summary>
-        public static byte[] GenerateNoiseBitmapBGRA(int width, int height)
-        {
-            var random = new Random();
-            var pixelData = new byte[width * height * 4];
-            for (int i = 0; i < width * height; i++)
-            {
-                byte gray = (byte)random.Next(0, 256);
-                pixelData[i * 4 + 0] = gray; // B
-                pixelData[i * 4 + 1] = gray; // G
-                pixelData[i * 4 + 2] = gray; // R
-                pixelData[i * 4 + 3] = 255;  // A
-            }
-            return pixelData;
-        }
-
-        /// <summary>
-        /// 生成单色灰阶随机噪声
-        /// </summary>
-        /// <param name="outputPath">输出文件路径</param>
-        /// <param name="width">图片宽度</param>
-        /// <param name="height">图片高度</param>
-        public static BitmapFile GenerateNoiseBitmap(int width, int height)
-        {
-            const uint NumOfGrayscale = 16;
-            uint bitCount = NextPowerOfTwo((uint)Math.Round(Math.Sqrt(NumOfGrayscale)));
-
-            var palette = BitmapFileCreator.CreateGrayscalePalette(16);
-            var pixelData = GenerateRandomNoise(width, height, bitCount);
-
-            var fileHeader = BitmapFileCreator.CreateFileHeader(palette, pixelData);
-            var infoHeader = BitmapFileCreator.CreateInfoHeader(width, height, bitCount);
-
-            return new BitmapFile(fileHeader, infoHeader, palette, pixelData);
-        }
-
-        /// <summary>
-        /// 读取噪声图片的位头信息
-        /// </summary>
-        public static BitmapFileCreator.WINBMPINFOHEADER ReadBitmapInfoHeaders(string? FilePath)
-        {
-            var _filePath = FilePath ?? NoiseOverlayFilePath;
-            using var fs = new FileStream(_filePath, FileMode.Open, FileAccess.Read);
-            using var br = new BinaryReader(fs);
-
-            // 跳过文件头
-            fs.Seek(Marshal.SizeOf<BitmapFileCreator.BITMAPFILEHEADER>(), SeekOrigin.Begin);
-
-            // 读取信息头
-            byte[] infoHeaderBytes = br.ReadBytes(Marshal.SizeOf<BitmapFileCreator.WINBMPINFOHEADER>());
-            return MemoryMarshal.Read<BitmapFileCreator.WINBMPINFOHEADER>(infoHeaderBytes);
-        }
-
-        public static BitmapFileCreator.WINBMPINFOHEADER ReadBitmapInfoHeaders(byte[] FileBytes)
-        {
-            // 跳过文件头
-            var offset = Marshal.SizeOf<BitmapFileCreator.BITMAPFILEHEADER>();
-
-            // 读取信息头
-            var infoHeaderLength = Marshal.SizeOf<BitmapFileCreator.WINBMPINFOHEADER>();
-            Span<byte> infoHeaderBytes = new(FileBytes, offset, infoHeaderLength);
-            return MemoryMarshal.Read<BitmapFileCreator.WINBMPINFOHEADER>(infoHeaderBytes);
-        }
-
-        /// <summary>
-        /// safe 的写入 struct 到流
-        /// </summary>
-        /// <typeparam name="T">值 strcut</typeparam>
-        /// <param name="stream">要写入的字节流</param>
-        /// <param name="structure">要被写入的结构</param>
-        public static void WriteStruct<T>(Stream stream, in T structure) where T : struct
-        {
-            int size = Unsafe.SizeOf<T>();
-            byte[] buffer = ArrayPool<byte>.Shared.Rent(size);
-            try
-            {
-                MemoryMarshal.Write(buffer, in structure);
-                stream.Write(buffer, 0, size);
-            }
-            finally
-            {
-                ArrayPool<byte>.Shared.Return(buffer);
-            }
-        }
-
-        /// <summary>
-        /// 随机填充位图内容
-        /// </summary>
-        /// <param name="width">填充宽度</param>
-        /// <param name="height">填充高度</param>
-        /// <param name="bitCount">单个调色盘索引所占比特位数</param>
-        /// <returns>字节数据</returns>
-        private static byte[] GenerateRandomNoise(int width, int height, uint bitCount)
-        {
-            // 创建位图行字节数，4K 对齐
-            int rowSize = ((width * (int)bitCount + 31) >> 5) << 2;
-
-            // 创建随机位图数据
-            Random rnd = new();
-            return Enumerable.Range(0, rowSize * height)
-                .Select(i => (byte)rnd.Next(0x00, 0xFF))
-                .ToArray();
-        }
-
-        private static uint NextPowerOfTwo(uint value)
-        {
-            value--;
-            value |= value >> 1;
-            value |= value >> 2;
-            value |= value >> 4;
-            value |= value >> 8;
-            value |= value >> 16;
-            return value + 1;
-        }
-        public static class BitmapFileCreator
-        {
-
-            /// <summary>
-            /// 创建BMP文件头
-            /// </summary>
-            /// <param name="palette">调色盘数据</param>
-            /// <param name="pixelData">像素数据</param>
-            /// <returns>文件头结构</returns>
-            public static BITMAPFILEHEADER CreateFileHeader(byte[] palette, byte[] pixelData)
-            {
-                return new BITMAPFILEHEADER
-                {
-                    bfType = 0x4D42,
-                    bfSize = (uint)(Marshal.SizeOf<BITMAPFILEHEADER>() +
-                                    Marshal.SizeOf<WINBMPINFOHEADER>() +
-                                    palette.Length +
-                                    pixelData.Length),
-                    bfReserved1 = 0,
-                    bfReserved2 = 0,
-                    bfOffBits = (uint)(Marshal.SizeOf<BITMAPFILEHEADER>() +
-                                        Marshal.SizeOf<WINBMPINFOHEADER>() +
-                                        palette.Length)
-                };
-            }
-
-            /// <summary>
-            /// 将指定值填充到为最接近的2的幂数
-            /// </summary>
-            /// <summary>
-            /// 生成灰阶调色盘
-            /// </summary>
-            /// <param name="colors">灰阶数量</param>
-            /// <returns>调色盘byte数组</returns>
-            public static byte[] CreateGrayscalePalette(int colors)
-            {
-                return Enumerable.Range(0, colors)
-                    .SelectMany(i => Enumerable.Repeat((byte)(i * 0x10), 4))
-                    .ToArray();
-            }
-
-            /// <summary>
-            /// 创建BMP信息头
-            /// </summary>
-            /// <param name="width">宽度</param>
-            /// <param name="height">高度</param>
-            /// <param name="bitCount">单个像素（调色盘索引）位数</param>
-            /// <returns>BMP信息头结构</returns>
-            public static WINBMPINFOHEADER CreateInfoHeader(int width, int height, uint bitCount)
-            {
-                return new WINBMPINFOHEADER
-                {
-                    biSize = (uint)Marshal.SizeOf<WINBMPINFOHEADER>(),
-                    biWidth = (uint)width,
-                    biHeight = (uint)height,
-                    biPlanes = 1,
-                    biBitCount = (ushort)bitCount,
-                    biCompression = 0,
-                    biSizeImage = 0,
-                    biXPelsPerMeter = 0,
-                    biYPelsPerMeter = 0,
-                    biClrUsed = 0,
-                    biClrImportant = 0
-                };
-            }
-
-            [StructLayout(LayoutKind.Sequential, Pack = 1)]
-            /// <summary>
-            /// BMP 位图文件头
-            /// </summary>
-            public struct BITMAPFILEHEADER
-            {
-                /// <summary>
-                /// 文件类型标识，用于指定文件格式
-                /// </summary>
-                public ushort bfType;
-                /// <summary>
-                /// 文件大小，以字节为单位
-                /// </summary>
-                public uint bfSize;
-                /// <summary>
-                /// 保留字段，未使用
-                /// </summary>
-                public ushort bfReserved1;
-                /// <summary>
-                /// 保留字段，未使用
-                /// </summary>
-                public ushort bfReserved2;
-                /// <summary>
-                /// 像素数据的起始位置，以字节为单位，从文件头开始计算
-                /// </summary>
-                public uint bfOffBits;
-            }
-
-            [StructLayout(LayoutKind.Sequential, Pack = 1)]
-            /// <summary>
-            /// BMP 位图信息头
-            /// </summary>
-            public struct WINBMPINFOHEADER
-            {
-                /// <summary>
-                /// 指定此结构体的字节大小。
-                /// </summary>
-                public uint biSize;
-
-                /// <summary>
-                /// 以像素为单位的位图宽度。
-                /// </summary>
-                public uint biWidth;
-
-                /// <summary>
-                /// 以像素为单位的位图高度。
-                /// </summary>
-                public uint biHeight;
-
-                /// <summary>
-                /// 目标设备的平面数，通常为1。
-                /// </summary>
-                public ushort biPlanes;
-
-                /// <summary>
-                /// 每个像素的位数，表示颜色深度，如1、4、8、16、24、32等。
-                /// </summary>
-                public ushort biBitCount;
-
-                /// <summary>
-                /// 压缩类型，0表示不压缩。
-                /// </summary>
-                public uint biCompression;
-
-                /// <summary>
-                /// 位图图像数据的大小（以字节为单位），若图像未压缩，该值可设为0。
-                /// </summary>
-                public uint biSizeImage;
-
-                /// <summary>
-                /// 每米X轴方向的像素数（水平分辨率），通常设为0。
-                /// </summary>
-                public uint biXPelsPerMeter;
-
-                /// <summary>
-                /// 每米Y轴方向的像素数（垂直分辨率），通常设为0。
-                /// </summary>
-                public uint biYPelsPerMeter;
-
-                /// <summary>
-                /// 实际使用的颜色索引数，若为0，则使用位图中实际出现的颜色数。
-                /// </summary>
-                public uint biClrUsed;
-
-                /// <summary>
-                /// 重要颜色索引数，0表示所有颜色都重要。
-                /// </summary>
-                public uint biClrImportant;
-            }
-        }
-
-        public class BitmapFile(BitmapFileCreator.BITMAPFILEHEADER fileHeader, BitmapFileCreator.WINBMPINFOHEADER infoHeader, byte[] palette, byte[] pixelData)
-        {
-            public BITMAPFILEHEADER FileHeader = fileHeader;
-            public WINBMPINFOHEADER InfoHeader = infoHeader;
-            public byte[] Palette = palette;
-            public byte[] PixelData = pixelData;
-
-            /// <summary>
-            /// 转换为byte[]
-            /// </summary>
-            /// <param name="bf"></param>
-            public static explicit operator byte[](BitmapFile bf)
-            {
-                var result = new byte[bf.FileHeader.bfSize];
-                var ms = new MemoryStream(result);
-                bf.WriteToStream(ms);
-                return result;
-            }
-
-            public byte[] ToByteArray() => (byte[])this;
-
-            public Task<byte[]> ToByteArrayAsync() { return Task.FromResult(ToByteArray());}
-
-            /// <summary>
-            /// 写入此结构到流中
-            /// </summary>
-            public void WriteToStream(Stream stream)
-            { 
-                NoiseOverlayHelper.WriteStruct(stream, FileHeader);
-                NoiseOverlayHelper.WriteStruct(stream, InfoHeader);
-                stream.Write(Palette);
-                stream.Write(PixelData);
-                stream.Flush();
-            }
-        }
-    }
-}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Helper/ObjectHelper.cs

@@ -32,6 +32,10 @@ namespace BetterLyrics.WinUI3.Helper
 
             if (isDisposedField != null) { return !Convert.ToBoolean(isDisposedField.GetValue(obj)); }
 
+            // Windows.Graphics.Imaging.SoftwareBitmap
+            isDisposedField = objType.GetField("_objRef_global__System_IDisposable", BindingFlags.NonPublic | BindingFlags.Instance);
+            if (isDisposedField != null) { return !Convert.ToBoolean(isDisposedField.GetValue(obj)); }
+
             // System.IO.FileStream
             var strategyField = objType.GetField("_strategy", BindingFlags.NonPublic | BindingFlags.Instance);
             if (strategyField != null)

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Helper/PathHelper.cs

@@ -18,6 +18,21 @@ namespace BetterLyrics.WinUI3.Helper
         //public static string LanguageProfilePath => Path.Combine(AssetsFolder, "Core14.profile.xml");
         public static string LanguageProfilePath => Path.Combine(AssetsFolder, "Wiki82.profile.xml");
         public static string LogoPath => Path.Combine(AssetsFolder, "Logo.ico");
+        public static string AIMPLogoPath => Path.Combine(AssetsFolder, "AIMP.png");
+        public static string Foobar2000LogoPath => Path.Combine(AssetsFolder, "foobar2000.png");
+        public static string MusicBeeLogoPath => Path.Combine(AssetsFolder, "MusicBee.png");
+        public static string SpotifyLogoPath => Path.Combine(AssetsFolder, "Spotify.png");
+        public static string AppleMusicLogoPath => Path.Combine(AssetsFolder, "AppleMusic.png");
+        public static string iTunesLogoPath => Path.Combine(AssetsFolder, "iTunes.png");
+        public static string KugouMusicLogoPath => Path.Combine(AssetsFolder, "KugouMusic.png");
+        public static string NetEaseCloudMusicLogoPath => Path.Combine(AssetsFolder, "NetEaseCloudMusic.png");
+        public static string QQMusicLogoPath => Path.Combine(AssetsFolder, "QQMusic.png");
+        public static string LXMusicLogoPath => Path.Combine(AssetsFolder, "LXMusic.png");
+        public static string MediaPlayerWindows11LogoPath => Path.Combine(AssetsFolder, "MediaPlayerWindows11.png");
+        public static string PotPlayerLogoPath => Path.Combine(AssetsFolder, "PotPlayer.png");
+        public static string ChromeLogoPath => Path.Combine(AssetsFolder, "Chrome.png");
+        public static string EdgeLogoPath => Path.Combine(AssetsFolder, "Edge.png");
+        public static string UnknownPlayerLogoPath => Path.Combine(AssetsFolder, "Question.png");
 
         public static string LogDirectory => Path.Combine(CacheFolder, "logs");
         public static string LogFilePattern => Path.Combine(LogDirectory, "log-.txt");

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Models/LyricsData.cs

@@ -26,7 +26,7 @@ namespace BetterLyrics.WinUI3.Models
             LyricsLines = lyricsLines;
         }
 
-        public void SetDisplayedTextAlongWith(LyricsData translationData, int toleranceMs = 0)
+        public void SetDisplayedTextAlongWith(LyricsData translationData, string separator, int toleranceMs = 0)
         {
             foreach (var line in LyricsLines)
             {
@@ -47,11 +47,11 @@ namespace BetterLyrics.WinUI3.Models
                         {
                             tmp = ChineseConverter.ConvertToSimplifiedChinese(transLine.OriginalText);
                         }
-                        line.DisplayedText = $"{line.OriginalText}\n{tmp}";
+                        line.DisplayedText = $"{line.OriginalText}{separator}{tmp}";
                     }
                     else
                     {
-                        line.DisplayedText = $"{line.OriginalText}\n{transLine.OriginalText}";
+                        line.DisplayedText = $"{line.OriginalText}{separator}{transLine.OriginalText}";
                     }
                 }
                 else
@@ -62,7 +62,7 @@ namespace BetterLyrics.WinUI3.Models
             }
         }
 
-        public void SetDisplayedTextAlongWith(string translation)
+        public void SetDisplayedTextAlongWith(string translation, string separator)
         {
             List<string> translationArr = translation.Split(StringHelper.NewLine).ToList();
             int i = 0;
@@ -74,7 +74,7 @@ namespace BetterLyrics.WinUI3.Models
                 }
                 else
                 {
-                    line.DisplayedText = $"{line.OriginalText}{StringHelper.NewLine}{translationArr[i]}";
+                    line.DisplayedText = $"{line.OriginalText}{separator}{translationArr[i]}";
                 }
                 i++;
             }

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Models/MediaSourceProviderInfo.cs

@@ -2,6 +2,10 @@
 
 using BetterLyrics.WinUI3.Enums;
 using CommunityToolkit.Mvvm.ComponentModel;
+using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
 
 namespace BetterLyrics.WinUI3.Models
 {
@@ -13,12 +17,39 @@ namespace BetterLyrics.WinUI3.Models
         [ObservableProperty]
         public partial string Provider { get; set; }
 
+        [ObservableProperty]
+        public partial bool IsLastFMTrackEnabled { get; set; }
+
+        [ObservableProperty]
+        public partial int TimelineSyncThreshold { get; set; }
+
+        [ObservableProperty]
+        public partial int PositionOffset { get; set; }
+
+        [ObservableProperty]
+        public partial bool ResetPositionOffsetOnSongChanged { get; set; }
+
+        [ObservableProperty]
+        public partial ObservableCollection<LyricsSearchProviderInfo> LyricsSearchProvidersInfo { get; set; }
+
         public MediaSourceProviderInfo() { }
 
-        public MediaSourceProviderInfo(string provider, bool isEnabled)
+        public MediaSourceProviderInfo(string provider)
         {
             Provider = provider;
-            IsEnabled = isEnabled;
+            IsEnabled = true;
+            IsLastFMTrackEnabled = false;
+            if (provider == Constants.PlayerID.AppleMusic)
+            {
+                TimelineSyncThreshold = PositionOffset = 1000;
+            }
+            else
+            {
+                TimelineSyncThreshold = 0;
+                PositionOffset = 0;
+            }
+            ResetPositionOffsetOnSongChanged = false;
+            LyricsSearchProvidersInfo = [.. Enum.GetValues<LyricsSearchProvider>().Select(p => new LyricsSearchProviderInfo(p, true))];
         }
 
     }

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Renderer/LyricsRenderer.xaml.cs

@@ -1,9 +1,8 @@
 // 2025/6/23 by Zhe Fang
 
-using BetterLyrics.WinUI3.ViewModels;
+using BetterLyrics.WinUI3.ViewModels.LyricsRendererViewModel;
 using CommunityToolkit.Mvvm.DependencyInjection;
 using Microsoft.UI.Xaml.Controls;
-using Microsoft.UI.Xaml.Media.Animation;
 
 namespace BetterLyrics.WinUI3.Renderer
 {

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Services/AlbumArtSearchService/AlbumArtSearchService.cs

@@ -1,6 +1,7 @@
 using ATL;
 using BetterLyrics.WinUI3.Enums;
 using BetterLyrics.WinUI3.Helper;
+using BetterLyrics.WinUI3.Services.SettingsService;
 using CommunityToolkit.Mvvm.DependencyInjection;
 using Microsoft.Extensions.Logging;
 using System;
@@ -14,7 +15,7 @@ using System.Text.Encodings.Web;
 using System.Text.Json;
 using System.Threading.Tasks;
 
-namespace BetterLyrics.WinUI3.Services
+namespace BetterLyrics.WinUI3.Services.AlbumArtSearchService
 {
     public class AlbumArtSearchService : IAlbumArtSearchService
     {
@@ -102,7 +103,7 @@ namespace BetterLyrics.WinUI3.Services
                 }
 
                 // Build the iTunes API URL
-                string url = $"https://itunes.apple.com/search?term=" + WebUtility.UrlEncode($"{artist} {album}").Replace("%20", "+") + "&country=" + countryCode + "&entity=album&media=music&limit=1";
+                string url = $"{Constants.iTunes.QueryPrefix}term=" + WebUtility.UrlEncode($"{artist} {album}").Replace("%20", "+") + "&country=" + countryCode + "&entity=album&media=music&limit=1";
 
                 // Make a request to the API
                 using HttpResponseMessage response = await _iTunesHttpClinet.GetAsync(url);

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Services/AlbumArtSearchService/IAlbumArtSearchService.cs

@@ -4,7 +4,7 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 
-namespace BetterLyrics.WinUI3.Services
+namespace BetterLyrics.WinUI3.Services.AlbumArtSearchService
 {
     public interface IAlbumArtSearchService
     {

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Services/LastFMService/ILastFMService.cs

@@ -0,0 +1,27 @@
+using BetterLyrics.WinUI3.Events;
+using BetterLyrics.WinUI3.Models;
+using Hqub.Lastfm.Entities;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace BetterLyrics.WinUI3.Services.LastFMService
+{
+    public interface ILastFMService
+    {
+        User User { get; }
+        bool IsAuthenticated { get; }
+
+        event EventHandler<LastFMUserChangedEventArgs>? UserChanged;
+        event EventHandler<LastFMIsAuthenticatedChangedEventArgs>? IsAuthenticatedChanged;
+
+        Task AuthAsync();
+        Task ConfirmAuth();
+        Task UnAuthAsync();
+        Task ConfirmUnAuthAsync();
+        Task TrackAsync(SongInfo songInfo);
+        Task RefreshAsync();
+    }
+}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Services/LastFMService/LastFMService.cs

@@ -0,0 +1,154 @@
+using BetterLyrics.WinUI3.Events;
+using BetterLyrics.WinUI3.Helper;
+using BetterLyrics.WinUI3.Models;
+using BetterLyrics.WinUI3.Services.SettingsService;
+using BetterLyrics.WinUI3.ViewModels;
+using BetterLyrics.WinUI3.ViewModels.SettingsPageViewModel;
+using BetterLyrics.WinUI3.Views;
+using CommunityToolkit.Mvvm.ComponentModel;
+using CommunityToolkit.Mvvm.Input;
+using CommunityToolkit.Mvvm.Messaging;
+using CommunityToolkit.Mvvm.Messaging.Messages;
+using Hqub.Lastfm;
+using Microsoft.UI.Xaml;
+using Microsoft.UI.Xaml.Controls;
+using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Diagnostics;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Windows.System;
+
+namespace BetterLyrics.WinUI3.Services.LastFMService
+{
+    public partial class LastFMService : ILastFMService
+    {
+        private readonly ISettingsService _settingsService;
+        private readonly LastfmClient _client;
+
+        public event EventHandler<LastFMUserChangedEventArgs>? UserChanged;
+        public event EventHandler<LastFMIsAuthenticatedChangedEventArgs>? IsAuthenticatedChanged;
+
+        public Hqub.Lastfm.Entities.User? User { get; private set; }
+
+        public bool IsAuthenticated { get; private set; }
+
+        public LastFMService(ISettingsService settingsService)
+        {
+            _settingsService = settingsService;
+
+            _client = new LastfmClient(Constants.LastFM.ApiKey, Constants.LastFM.SharedSecret);
+            _client.Session.SessionKey = _settingsService.LastFMSessionKey;
+            UpdateAuthStatusAsync();
+        }
+
+        public async Task ConfirmAuth()
+        {
+            try
+            {
+                await _client.AuthenticateViaWebAsync();
+                _settingsService.LastFMSessionKey = _client.Session.SessionKey;
+                await UpdateAuthStatusAsync();
+            }
+            catch (Exception)
+            {
+                App.Current.SettingsWindowNotificationPanel?.Notify(App.ResourceLoader?.GetString("LastFMAuthFailed") ?? "", InfoBarSeverity.Error);
+            }
+        }
+
+        public async Task ConfirmUnAuthAsync()
+        {
+            _client.Session.SessionKey = "";
+            _settingsService.LastFMSessionKey = "";
+            await UpdateAuthStatusAsync();
+        }
+
+        public async Task AuthAsync()
+        {
+            var dialogXamlRoot = WindowHelper.GetWindowByWindowType<SettingsWindow>()?.Content.XamlRoot;
+            if (dialogXamlRoot == null)
+            {
+                return;
+            }
+
+            var dialog = new ContentDialog
+            {
+                Title = App.ResourceLoader?.GetString("LastFMRequestAuthTitle") ?? "",
+                Content = App.ResourceLoader?.GetString("LastFMRequestAuthDesc") ?? "",
+                PrimaryButtonText = App.ResourceLoader?.GetString("LastFMRequestAuthConfirm") ?? "",
+                CloseButtonText = App.ResourceLoader?.GetString("Cancel") ?? "",
+                DefaultButton = ContentDialogButton.Close,
+                XamlRoot = dialogXamlRoot,
+            };
+            dialog.PrimaryButtonClick += async (s, args) =>
+            {
+                await ConfirmAuth();
+            };
+
+            string url = await _client.GetWebAuthenticationUrlAsync();
+            await Launcher.LaunchUriAsync(new Uri(url));
+            await dialog.ShowAsync();
+        }
+
+        public async Task UnAuthAsync()
+        {
+            var dialogXamlRoot = WindowHelper.GetWindowByWindowType<SettingsWindow>()?.Content.XamlRoot;
+            if (dialogXamlRoot == null)
+            {
+                return;
+            }
+
+            var dialog = new ContentDialog
+            {
+                Title = App.ResourceLoader?.GetString("LastFMRequestUnAuthTitle") ?? "",
+                Content = App.ResourceLoader?.GetString("LastFMRequestUnAuthDesc") ?? "",
+                PrimaryButtonText = App.ResourceLoader?.GetString("LastFMRequestUnAuthConfirm") ?? "",
+                CloseButtonText = App.ResourceLoader?.GetString("Cancel") ?? "",
+                DefaultButton = ContentDialogButton.Close,
+                XamlRoot = dialogXamlRoot,
+            };
+            dialog.PrimaryButtonClick += async (s, args) =>
+            {
+                await ConfirmUnAuthAsync();
+            };
+
+            await Launcher.LaunchUriAsync(new Uri(Constants.LastFM.UnAuthUrl));
+            await dialog.ShowAsync();
+        }
+
+        private async Task UpdateAuthStatusAsync()
+        {
+            IsAuthenticated = _client.Session.Authenticated;
+            IsAuthenticatedChanged?.Invoke(this, new LastFMIsAuthenticatedChangedEventArgs(IsAuthenticated));
+            if (IsAuthenticated)
+            {
+                User = await _client.User.GetInfoAsync();
+            }
+            else
+            {
+                User = null;
+            }
+            UserChanged?.Invoke(this, new LastFMUserChangedEventArgs(User));
+        }
+
+        public async Task TrackAsync(SongInfo songInfo)
+        {
+            if (IsAuthenticated)
+            {
+                await _client.Track.ScrobbleAsync(new Hqub.Lastfm.Entities.Scrobble
+                {
+                    Track = songInfo.Title,
+                    Artist = songInfo.Artist,
+                    Date = DateTime.Now,
+                });
+            }
+        }
+
+        public async Task RefreshAsync()
+        {
+            await UpdateAuthStatusAsync();
+        }
+    }
+}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Services/LibWatcherService/ILibWatcherService.cs

@@ -8,7 +8,7 @@ using System.Threading.Tasks;
 using BetterLyrics.WinUI3.Events;
 using BetterLyrics.WinUI3.Models;
 
-namespace BetterLyrics.WinUI3.Services
+namespace BetterLyrics.WinUI3.Services.LibWatcherService
 {
     public interface ILibWatcherService
     {

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Services/LibWatcherService/LibWatcherService.cs

@@ -6,10 +6,11 @@ using System.IO;
 using System.Linq;
 using BetterLyrics.WinUI3.Events;
 using BetterLyrics.WinUI3.Models;
+using BetterLyrics.WinUI3.Services.SettingsService;
 using BetterLyrics.WinUI3.ViewModels;
 using Microsoft.UI.Dispatching;
 
-namespace BetterLyrics.WinUI3.Services
+namespace BetterLyrics.WinUI3.Services.LibWatcherService
 {
     public class LibWatcherService : BaseViewModel, IDisposable, ILibWatcherService
     {

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Services/LyricsSearchService/ILyricsSearchService.cs

@@ -5,10 +5,10 @@ using System.Threading;
 using System.Threading.Tasks;
 using BetterLyrics.WinUI3.Enums;
 
-namespace BetterLyrics.WinUI3.Services
+namespace BetterLyrics.WinUI3.Services.LyricsSearchService
 {
     public interface ILyricsSearchService
     {
-        Task<(string?, LyricsSearchProvider?)> SearchAsync(string title, string artist, string album, double durationMs, CancellationToken token);
+        Task<(string?, LyricsSearchProvider?)> SearchAsync(string mediaSessionId, string title, string artist, string album, double durationMs, CancellationToken token);
     }
 }

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Services/LyricsSearchService/LyricsSearchService.cs

@@ -3,6 +3,7 @@
 using ATL;
 using BetterLyrics.WinUI3.Enums;
 using BetterLyrics.WinUI3.Helper;
+using BetterLyrics.WinUI3.Services.SettingsService;
 using CommunityToolkit.Mvvm.DependencyInjection;
 using Lyricify.Lyrics.Providers.Web.Kugou;
 using Lyricify.Lyrics.Searchers;
@@ -18,7 +19,7 @@ using System.Threading;
 using System.Threading.Tasks;
 using Windows.Storage;
 
-namespace BetterLyrics.WinUI3.Services
+namespace BetterLyrics.WinUI3.Services.LyricsSearchService
 {
     public class LyricsSearchService : ILyricsSearchService
     {
@@ -36,7 +37,7 @@ namespace BetterLyrics.WinUI3.Services
             _lrcLibHttpClient = new();
             _lrcLibHttpClient.DefaultRequestHeaders.Add(
                 "User-Agent",
-                $"{MetadataHelper.AppName} {MetadataHelper.AppVersion} ({MetadataHelper.GithubUrl})"
+                $"{Constants.App.AppName} {MetadataHelper.AppVersion} ({Constants.Link.GithubUrl})"
             );
             _amllTtmlDbHttpClient = new();
         }
@@ -60,10 +61,9 @@ namespace BetterLyrics.WinUI3.Services
 
         public async Task<bool> DownloadAmllTtmlDbIndexAsync()
         {
-            const string url = "https://raw.githubusercontent.com/Steve-xmh/amll-ttml-db/refs/heads/main/metadata/raw-lyrics-index.jsonl";
             try
             {
-                using var response = await _amllTtmlDbHttpClient.GetAsync(url, HttpCompletionOption.ResponseHeadersRead);
+                using var response = await _amllTtmlDbHttpClient.GetAsync(Constants.AmllTTmlDB.Index, HttpCompletionOption.ResponseHeadersRead);
                 if (!response.IsSuccessStatusCode) return false;
 
                 await using var stream = await response.Content.ReadAsStreamAsync();
@@ -86,13 +86,13 @@ namespace BetterLyrics.WinUI3.Services
             }
         }
 
-        public async Task<(string?, LyricsSearchProvider?)> SearchAsync(string title, string artist, string album, double durationMs, CancellationToken token)
+        public async Task<(string?, LyricsSearchProvider?)> SearchAsync(string mediaSessionId, string title, string artist, string album, double durationMs, CancellationToken token)
         {
             _logger.LogInformation("Searching img for: {Title} - {Artist} (Album: {Album}, Duration: {DurationMs}ms)", title, artist, album, durationMs);
 
             try
             {
-                foreach (var provider in _settingsService.LyricsSearchProvidersInfo)
+                foreach (var provider in _settingsService.MediaSourceProvidersInfo.Where(x => x.Provider == mediaSessionId).FirstOrDefault()?.LyricsSearchProvidersInfo ?? [])
                 {
                     if (!provider.IsEnabled)
                     {
@@ -268,7 +268,7 @@ namespace BetterLyrics.WinUI3.Services
                 return null;
 
             // 下载歌词内容
-            var url = $"https://raw.githubusercontent.com/Steve-xmh/amll-ttml-db/refs/heads/main/raw-lyrics/{rawLyricFile}";
+            var url = $"{Constants.AmllTTmlDB.QueryPrefix}{rawLyricFile}";
             try
             {
                 using var response = await _amllTtmlDbHttpClient.GetAsync(url);

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Services/MediaSessionsService/IMediaSessionsService.cs

@@ -5,9 +5,9 @@ using System.Threading.Tasks;
 using BetterLyrics.WinUI3.Events;
 using BetterLyrics.WinUI3.Models;
 
-namespace BetterLyrics.WinUI3.Services
+namespace BetterLyrics.WinUI3.Services.MediaSessionsService
 {
-    public interface IPlaybackService
+    public interface IMediaSessionsService
     {
         event EventHandler<IsPlayingChangedEventArgs>? IsPlayingChanged;
         event EventHandler<TimelineChangedEventArgs>? TimelineChanged;
@@ -23,5 +23,6 @@ namespace BetterLyrics.WinUI3.Services
 
         bool IsPlaying { get; }
         SongInfo? SongInfo { get; }
+        TimeSpan Position { get; }
     }
 }

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Services/MediaSessionsService/MediaSessionsService.cs

@@ -1,17 +1,20 @@
 // 2025/6/23 by Zhe Fang
 
+using BetterLyrics.WinUI3.Enums;
 using BetterLyrics.WinUI3.Events;
 using BetterLyrics.WinUI3.Helper;
 using BetterLyrics.WinUI3.Models;
+using BetterLyrics.WinUI3.Services.AlbumArtSearchService;
+using BetterLyrics.WinUI3.Services.LastFMService;
+using BetterLyrics.WinUI3.Services.SettingsService;
 using BetterLyrics.WinUI3.ViewModels;
+using BetterLyrics.WinUI3.ViewModels.SettingsPageViewModel;
 using CommunityToolkit.Mvvm.DependencyInjection;
 using CommunityToolkit.Mvvm.Messaging;
 using CommunityToolkit.Mvvm.Messaging.Messages;
 using EvtSource;
 using Microsoft.Extensions.Logging;
 using Microsoft.UI.Dispatching;
-using Microsoft.UI.Xaml;
-using SixLabors.ImageSharp;
 using SixLabors.ImageSharp.PixelFormats;
 using System;
 using System.Collections.Generic;
@@ -25,24 +28,22 @@ using System.Threading.Tasks;
 using Windows.Graphics.Imaging;
 using Windows.Media.Control;
 using Windows.Storage.Streams;
-using Windows.UI.Shell;
 using WindowsMediaController;
-using static WindowsMediaController.MediaManager;
 
-namespace BetterLyrics.WinUI3.Services
+namespace BetterLyrics.WinUI3.Services.MediaSessionsService
 {
-    public partial class PlaybackService : BaseViewModel, IPlaybackService,
+    public partial class MediaSessionsService : BaseViewModel, IMediaSessionsService,
         IRecipient<PropertyChangedMessage<ObservableCollection<MediaSourceProviderInfo>>>,
         IRecipient<PropertyChangedMessage<ObservableCollection<AlbumArtSearchProviderInfo>>>
     {
         private readonly IAlbumArtSearchService _albumArtSearchService;
-        private readonly ILogger<PlaybackService> _logger;
+        private readonly ILogger<MediaSessionsService> _logger;
 
-        private readonly string _lxMusicId = "cn.toside.music.desktop";
         private double _lxMusicPositionSeconds = 0;
         private double _lxMusicDurationSeconds = 0;
 
         private bool _cachedIsPlaying = false;
+        private TimeSpan _cachedPosition = TimeSpan.Zero;
 
         private EventSourceReader? _sse = null;
 
@@ -62,10 +63,10 @@ namespace BetterLyrics.WinUI3.Services
         public event EventHandler<AlbumArtChangedEventArgs>? AlbumArtChangedChanged;
         public event EventHandler<MediaSourceProvidersInfoEventArgs>? MediaSourceProvidersInfoChanged;
 
-        public PlaybackService(ISettingsService settingsService, IAlbumArtSearchService albumArtSearchService) : base(settingsService)
+        public MediaSessionsService(ISettingsService settingsService, IAlbumArtSearchService albumArtSearchService) : base(settingsService)
         {
             _albumArtSearchService = albumArtSearchService;
-            _logger = Ioc.Default.GetRequiredService<ILogger<PlaybackService>>();
+            _logger = Ioc.Default.GetRequiredService<ILogger<MediaSessionsService>>();
 
             _mediaSourceProvidersInfo = _settingsService.MediaSourceProvidersInfo;
             InitMediaManager();
@@ -73,6 +74,7 @@ namespace BetterLyrics.WinUI3.Services
 
         public bool IsPlaying => _cachedIsPlaying;
         public SongInfo? SongInfo => _cachedSongInfo;
+        public TimeSpan Position => _cachedPosition;
 
         private bool IsMediaSourceEnabled(string id)
         {
@@ -109,12 +111,24 @@ namespace BetterLyrics.WinUI3.Services
 
             var focusedSession = _mediaManager.GetFocusedSession();
 
-            if (!IsMediaSourceEnabled(mediaSession.Id) || mediaSession != focusedSession) return;
+            if (mediaSession != focusedSession) return;
 
-            _dispatcherQueue.TryEnqueue(DispatcherQueuePriority.Low, () =>
+            if (!IsMediaSourceEnabled(mediaSession.Id))
             {
-                TimelineChanged?.Invoke(this, new TimelineChangedEventArgs(timelineProperties.Position, timelineProperties.EndTime));
-            });
+                _cachedPosition = TimeSpan.Zero;
+                _dispatcherQueue.TryEnqueue(DispatcherQueuePriority.Low, () =>
+                {
+                    TimelineChanged?.Invoke(this, new TimelineChangedEventArgs(_cachedPosition, TimeSpan.Zero));
+                });
+            }
+            else
+            {
+                _cachedPosition = timelineProperties.Position;
+                _dispatcherQueue.TryEnqueue(DispatcherQueuePriority.Low, () =>
+                {
+                    TimelineChanged?.Invoke(this, new TimelineChangedEventArgs(_cachedPosition, timelineProperties.EndTime));
+                });
+            }
         }
 
         private void MediaManager_OnAnyPlaybackStateChanged(MediaManager.MediaSession mediaSession, GlobalSystemMediaTransportControlsSessionPlaybackInfo playbackInfo)
@@ -125,13 +139,20 @@ namespace BetterLyrics.WinUI3.Services
             var focusedSession = _mediaManager.GetFocusedSession();
 
             RecordMediaSourceProviderInfo(mediaSession);
-            if (!IsMediaSourceEnabled(mediaSession.Id) || mediaSession != focusedSession) return;
+            if (mediaSession != focusedSession) return;
 
-            _cachedIsPlaying = playbackInfo.PlaybackStatus switch
+            if (!IsMediaSourceEnabled(mediaSession.Id))
             {
-                GlobalSystemMediaTransportControlsSessionPlaybackStatus.Playing => true,
-                _ => false,
-            };
+                _cachedIsPlaying = false;
+            }
+            else
+            {
+                _cachedIsPlaying = playbackInfo.PlaybackStatus switch
+                {
+                    GlobalSystemMediaTransportControlsSessionPlaybackStatus.Playing => true,
+                    _ => false,
+                };
+            }
 
             _dispatcherQueue.TryEnqueue(DispatcherQueuePriority.Low, () =>
             {
@@ -149,55 +170,88 @@ namespace BetterLyrics.WinUI3.Services
             var focusedSession = _mediaManager.GetFocusedSession();
 
             RecordMediaSourceProviderInfo(mediaSession);
-            if (!IsMediaSourceEnabled(id) || mediaSession != focusedSession) return;
+            if (mediaSession != focusedSession) return;
 
-            _cachedSongInfo = new SongInfo
+            if (!IsMediaSourceEnabled(id))
             {
-                Title = mediaProperties.Title,
-                Artist = mediaProperties.Artist,
-                Album = mediaProperties.AlbumTitle,
-                DurationMs = mediaSession.ControlSession.GetTimelineProperties().EndTime.TotalMilliseconds,
-                SourceAppUserModelId = id,
-            };
+                _cachedSongInfo = null;
 
-            _cachedSongInfo.Duration = (int)(_cachedSongInfo.DurationMs / 1000f);
+                _onAnyMediaPropertyChangedRunner.RunAsync(async token =>
+                {
+                    _logger.LogInformation("Media properties changed: Title: {Title}, Artist: {Artist}, Album: {Album}",
+                        mediaProperties.Title, mediaProperties.Artist, mediaProperties.AlbumTitle);
 
-            _onAnyMediaPropertyChangedRunner.RunAsync(async token =>
-            {
-                _logger.LogInformation("Media properties changed: Title: {Title}, Artist: {Artist}, Album: {Album}",
-                    mediaProperties.Title, mediaProperties.Artist, mediaProperties.AlbumTitle);
-
-                if (id == _lxMusicId)
-                {
-                    StartSSE();
-                }
-                else
-                {
-                    StopSSE();
-                }
-
-                if (mediaProperties.Thumbnail is IRandomAccessStreamReference streamReference)
-                {
-                    _SMTCAlbumArtBytes = await ImageHelper.ToByteArrayAsync(streamReference);
-                }
-                else
-                {
-                    _SMTCAlbumArtBytes = null;
-                }
-
-                await _albumArtRefreshRunner.RunAsync(async tokne =>
-                {
-                    await UpdateAlbumArtRelated(tokne);
-                });
-
-                if (!token.IsCancellationRequested)
-                {
-                    _dispatcherQueue.TryEnqueue(DispatcherQueuePriority.Low, () =>
+                    if (id == Constants.PlayerID.LXMusic)
                     {
-                        SongInfoChanged?.Invoke(this, new SongInfoChangedEventArgs(_cachedSongInfo));
+                        StopSSE();
+                    }
+
+                    _SMTCAlbumArtBytes = null;
+
+                    await _albumArtRefreshRunner.RunAsync(async tokne =>
+                    {
+                        await UpdateAlbumArtRelated(tokne);
                     });
-                }
-            }).ConfigureAwait(false);
+
+                    if (!token.IsCancellationRequested)
+                    {
+                        _dispatcherQueue.TryEnqueue(DispatcherQueuePriority.Low, () =>
+                        {
+                            SongInfoChanged?.Invoke(this, new SongInfoChangedEventArgs(_cachedSongInfo));
+                        });
+                    }
+                }).ConfigureAwait(false);
+            }
+            else
+            {
+                _cachedSongInfo = new SongInfo
+                {
+                    Title = mediaProperties.Title,
+                    Artist = mediaProperties.Artist,
+                    Album = mediaProperties.AlbumTitle,
+                    DurationMs = mediaSession.ControlSession.GetTimelineProperties().EndTime.TotalMilliseconds,
+                    SourceAppUserModelId = id,
+                };
+
+                _cachedSongInfo.Duration = (int)(_cachedSongInfo.DurationMs / 1000f);
+
+                _onAnyMediaPropertyChangedRunner.RunAsync(async token =>
+                {
+                    _logger.LogInformation("Media properties changed: Title: {Title}, Artist: {Artist}, Album: {Album}",
+                        mediaProperties.Title, mediaProperties.Artist, mediaProperties.AlbumTitle);
+
+                    if (id == Constants.PlayerID.LXMusic)
+                    {
+                        StartSSE();
+                    }
+                    else
+                    {
+                        StopSSE();
+                    }
+
+                    if (mediaProperties.Thumbnail is IRandomAccessStreamReference streamReference)
+                    {
+                        _SMTCAlbumArtBytes = await ImageHelper.ToByteArrayAsync(streamReference);
+                    }
+                    else
+                    {
+                        _SMTCAlbumArtBytes = null;
+                    }
+
+                    await _albumArtRefreshRunner.RunAsync(async tokne =>
+                    {
+                        await UpdateAlbumArtRelated(tokne);
+                    });
+
+                    if (!token.IsCancellationRequested)
+                    {
+                        _dispatcherQueue.TryEnqueue(DispatcherQueuePriority.Low, () =>
+                        {
+                            SongInfoChanged?.Invoke(this, new SongInfoChangedEventArgs(_cachedSongInfo));
+                        });
+                    }
+                }).ConfigureAwait(false);
+            }
         }
 
         private void MediaManager_OnAnySessionClosed(MediaManager.MediaSession mediaSession)
@@ -231,7 +285,9 @@ namespace BetterLyrics.WinUI3.Services
             var found = _mediaSourceProvidersInfo.FirstOrDefault(x => x.Provider == id);
             if (found == null)
             {
-                _mediaSourceProvidersInfo.Add(new MediaSourceProviderInfo(id, true));
+                _mediaSourceProvidersInfo.Add(new MediaSourceProviderInfo(id));
+                // 在这里就写进设置
+                // 因为 SettingsPageViewModel 可能还没有初始化
                 _settingsService.MediaSourceProvidersInfo = _mediaSourceProvidersInfo;
                 _dispatcherQueue.TryEnqueue(DispatcherQueuePriority.Low, () =>
                 {
@@ -258,9 +314,9 @@ namespace BetterLyrics.WinUI3.Services
             if (focusedSession == null || focusedSession.ControlSession == null) return;
 
             var mediaProps = await focusedSession.ControlSession.TryGetMediaPropertiesAsync();
+            MediaManager_OnAnyTimelinePropertyChanged(focusedSession, focusedSession.ControlSession.GetTimelineProperties());
             MediaManager_OnAnyMediaPropertyChanged(focusedSession, mediaProps);
             MediaManager_OnAnyPlaybackStateChanged(focusedSession, focusedSession.ControlSession.GetPlaybackInfo());
-            MediaManager_OnAnyTimelinePropertyChanged(focusedSession, focusedSession.ControlSession.GetTimelineProperties());
         }
 
         private async Task UpdateAlbumArtRelated(CancellationToken token)
@@ -285,8 +341,8 @@ namespace BetterLyrics.WinUI3.Services
                 token.ThrowIfCancellationRequested();
             }
 
-            bytes = ImageHelper.MakeSquareWithThemeColor(bytes);
             bytes = ImageHelper.Resize(bytes, _targetAlbumArtSize);
+            bytes = ImageHelper.MakeSquareWithThemeColor(bytes);
 
             using var stream = new InMemoryRandomAccessStream();
             await stream.WriteAsync(bytes.AsBuffer());
@@ -303,7 +359,7 @@ namespace BetterLyrics.WinUI3.Services
 
             _dispatcherQueue.TryEnqueue(DispatcherQueuePriority.Low, () =>
             {
-                AlbumArtChangedChanged?.Invoke(this, new AlbumArtChangedEventArgs(albumArtSwBitmap, albumArtLightAccentColor, albumArtDarkAccentColor));
+                AlbumArtChangedChanged?.Invoke(this, new AlbumArtChangedEventArgs(null, albumArtSwBitmap, albumArtLightAccentColor, albumArtDarkAccentColor));
             });
         }
 
@@ -311,7 +367,7 @@ namespace BetterLyrics.WinUI3.Services
         {
             try
             {
-                _sse = new EventSourceReader(new Uri($"{_settingsService.LXMusicServer}/subscribe-player-status?filter=progress,duration")).Start();
+                _sse = new EventSourceReader(new Uri($"{_settingsService.LXMusicServer}{Constants.LXMusic.QuerySuffix}")).Start();
                 _sse.MessageReceived += Sse_MessageReceived;
                 _sse.Disconnected += Sse_Disconnected;
             }
@@ -348,7 +404,7 @@ namespace BetterLyrics.WinUI3.Services
 
         private void Sse_MessageReceived(object sender, EventSourceMessageEventArgs e)
         {
-            if (_cachedSongInfo?.SourceAppUserModelId == _lxMusicId)
+            if (_cachedSongInfo?.SourceAppUserModelId == Constants.PlayerID.LXMusic)
             {
                 var data = JsonSerializer.Deserialize(e.Message, Serialization.SourceGenerationContext.Default.JsonElement);
                 if (data.ValueKind == JsonValueKind.Number)
@@ -421,7 +477,6 @@ namespace BetterLyrics.WinUI3.Services
                 if (message.PropertyName == nameof(SettingsPageViewModel.MediaSourceProvidersInfo))
                 {
                     _mediaSourceProvidersInfo = [.. message.NewValue];
-                    _settingsService.MediaSourceProvidersInfo = _mediaSourceProvidersInfo;
                     MediaManager_OnFocusedSessionChanged(null);
                 }
             }

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Services/SettingsService/ISettingsService.cs

@@ -6,7 +6,7 @@ using BetterLyrics.WinUI3.Models;
 using Microsoft.UI.Xaml;
 using Windows.UI;
 
-namespace BetterLyrics.WinUI3.Services
+namespace BetterLyrics.WinUI3.Services.SettingsService
 {
     public interface ISettingsService
     {
@@ -38,7 +38,6 @@ namespace BetterLyrics.WinUI3.Services
 
         string LibreTranslateServer { get; set; }
         int SelectedTargetLanguageIndex { get; set; }
-        bool ResetPositionOffsetOnSongChanged { get; set; }
         int PositionOffset { get; set; }
         // Lyrics lib
 
@@ -78,7 +77,6 @@ namespace BetterLyrics.WinUI3.Services
 
         float LyricsLineSpacingFactor { get; set; }
 
-        List<LyricsSearchProviderInfo> LyricsSearchProvidersInfo { get; set; }
         List<AlbumArtSearchProviderInfo> AlbumArtSearchProvidersInfo { get; set; }
         List<MediaSourceProviderInfo> MediaSourceProvidersInfo { get; set; }
 
@@ -94,7 +92,6 @@ namespace BetterLyrics.WinUI3.Services
 
         LyricsDisplayType DisplayType { get; set; }
 
-        int TimelineSyncThreshold { get; set; }
         int LockHotKeyIndex { get; set; }
         bool IsImmersiveMode { get; set; }
         string LXMusicServer { get; set; }
@@ -107,5 +104,10 @@ namespace BetterLyrics.WinUI3.Services
         PlaybackOrder PlaybackOrder { get; set; }
         bool IsLibreTranslateEnabled { get; set; }
         string DockMonitorDeviceName { get; set; }
+
+        // LastFM
+        string LastFMSessionKey { get; set; }
+
+        string LyricsTranslationSeparator { get; set; }
     }
 }

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Services/SettingsService/SettingsService.cs

@@ -10,10 +10,11 @@ using Microsoft.UI.Xaml;
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using Windows.Media.Core;
 using Windows.Storage;
 using Windows.UI;
 
-namespace BetterLyrics.WinUI3.Services
+namespace BetterLyrics.WinUI3.Services.SettingsService
 {
     public class SettingsService : ISettingsService
     {
@@ -51,7 +52,7 @@ namespace BetterLyrics.WinUI3.Services
         private const string IsLyricsGlowEffectEnabledKey = "IsLyricsGlowEffectEnabled";
         private const string LanguageKey = "Language";
 
-        private const string LocalLyricsFoldersKey = "LocalLyricsFolders";
+        private const string LocalMediaFoldersKey = "LocalLyricsFolders";
         private const string LyricsAlignmentTypeKey = "TextAlignmentType";
         private const string SongInfoAlignmentTypeKey = "SongInfoAlignmentType";
         private const string LyricsBlurAmountKey = "LyricsBlurAmount";
@@ -71,7 +72,6 @@ namespace BetterLyrics.WinUI3.Services
         private const string LyricsGlowEffectScopeKey = "LyricsGlowEffectScope";
         private const string LyricsHighlightSopeKey = "LyricsHighlightSope";
         private const string LyricsLineSpacingFactorKey = "LyricsLineSpacingFactor";
-        private const string LyricsSearchProvidersInfoKey = "LyricsSearchProvidersInfo";
         private const string AlbumArtSearchProvidersInfoKey = "AlbumArtSearchProvidersInfo";
         private const string LyricsVerticalEdgeOpacityKey = "LyricsVerticalEdgeOpacity";
 
@@ -94,11 +94,8 @@ namespace BetterLyrics.WinUI3.Services
         private const string LyricsScrollEasingTypeKey = "LyricsScrollEasingType";
         private const string LyricsScrollDurationKey = "LyricsScrollDuration";
 
-        public const string TimelineSyncThresholdKey = "TimelineSyncThreshold";
-
         private const string IsLyricsFloatAnimationEnabledKey = "IsLyricsFloatAnimationEnabled";
 
-        private const string ResetPositionOffsetOnSongChangedKey = "ResetPositionOffsetOnSongChanged";
         private const string PlaybackOrderKey = "PlaybackOrder";
 
         private const string PositionOffsetKey = "PositionOffset";
@@ -115,6 +112,11 @@ namespace BetterLyrics.WinUI3.Services
 
         private const string DockMonitorDeviceNameKey = "DockMonitorDeviceName";
 
+        // LastFM
+        private const string LastFMSessionKeyKey = "LastFMSessionKey";
+
+        private const string LyricsTranslationSeparatorKey = "LyricsTranslationSeparator";
+
         private readonly ApplicationDataContainer _localSettings;
 
         public SettingsService()
@@ -123,29 +125,7 @@ namespace BetterLyrics.WinUI3.Services
 
             SetDefault(IsFirstRunKey, true);
             // Lyrics lib
-            SetDefault(LocalLyricsFoldersKey, "[]");
-            SetDefault(
-                LyricsSearchProvidersInfoKey,
-                System.Text.Json.JsonSerializer.Serialize(
-                    Enum.GetValues<LyricsSearchProvider>()
-                        .Select(p => new LyricsSearchProviderInfo(p, true))
-                        .ToList(),
-                    SourceGenerationContext.Default.ListLyricsSearchProviderInfo
-                )
-            );
-            if (LyricsSearchProvidersInfo.Count != Enum.GetValues<LyricsSearchProvider>().Length)
-            {
-                LyricsSearchProvidersInfo = Enum.GetValues<LyricsSearchProvider>()
-                    .Select(p => new LyricsSearchProviderInfo(
-                        p,
-                        LyricsSearchProvidersInfo
-                            .Where(x => x.Provider == p)
-                            .FirstOrDefault()
-                            ?.IsEnabled ?? true
-                    ))
-                    .ToList();
-            }
-
+            SetDefault(LocalMediaFoldersKey, "[]");
             SetDefault(
                 AlbumArtSearchProvidersInfoKey,
                 System.Text.Json.JsonSerializer.Serialize(
@@ -169,6 +149,23 @@ namespace BetterLyrics.WinUI3.Services
             }
 
             SetDefault(MediaSourceProvidersInfoKey, "[]");
+            var tmp = MediaSourceProvidersInfo;
+            for (int i = 0; i < tmp.Count; i++)
+            {
+                var mediaSource = tmp[i];
+                if (mediaSource.LyricsSearchProvidersInfo == null || mediaSource.LyricsSearchProvidersInfo.Count != Enum.GetValues<LyricsSearchProvider>().Length)
+                {
+                    mediaSource.LyricsSearchProvidersInfo = [..Enum.GetValues<LyricsSearchProvider>()
+                        .Select(p => new LyricsSearchProviderInfo(
+                            p,
+                            mediaSource.LyricsSearchProvidersInfo?
+                                .Where(x => x.Provider == p)
+                                .FirstOrDefault()
+                                ?.IsEnabled ?? true
+                        ))];
+                }
+            }
+            MediaSourceProvidersInfo = tmp;
 
             // App appearance
             SetDefault(LanguageKey, (int)Language.FollowSystem);
@@ -235,11 +232,9 @@ namespace BetterLyrics.WinUI3.Services
 
             SetDefault(LyricsScrollEasingTypeKey, (int)EasingType.EaseInOutSine);
             SetDefault(LyricsScrollDurationKey, 500); // 500ms
-            SetDefault(TimelineSyncThresholdKey, 0); // 0ms
 
             SetDefault(IsLyricsFloatAnimationEnabledKey, true);
 
-            SetDefault(ResetPositionOffsetOnSongChangedKey, false);
             SetDefault(PositionOffsetKey, 0);
             SetDefault(LockHotKeyIndexKey, 'U' - 'A');
             SetDefault(DockPlacementKey, (int)DockPlacement.Top);
@@ -250,6 +245,10 @@ namespace BetterLyrics.WinUI3.Services
             SetDefault(LyricsFontFamilyKey, FontHelper.SystemFontFamilies.ElementAtOrDefault(0));
             SetDefault(IsDragEverywhereEnabledKey, false);
             SetDefault(DockMonitorDeviceNameKey, MonitorHelper.GetPrimaryMonitorDeviceName());
+
+            SetDefault(LastFMSessionKeyKey, "");
+
+            SetDefault(LyricsTranslationSeparatorKey, StringHelper.NewLine);
         }
 
         public bool IsDragEverywhereEnabled
@@ -448,12 +447,12 @@ namespace BetterLyrics.WinUI3.Services
         {
             get =>
                 System.Text.Json.JsonSerializer.Deserialize(
-                    GetValue<string>(LocalLyricsFoldersKey) ?? "[]",
+                    GetValue<string>(LocalMediaFoldersKey) ?? "[]",
                     SourceGenerationContext.Default.ListLocalMediaFolder
                 )!;
             set =>
                 SetValue(
-                    LocalLyricsFoldersKey,
+                    LocalMediaFoldersKey,
                     System.Text.Json.JsonSerializer.Serialize(
                         value,
                         SourceGenerationContext.Default.ListLocalMediaFolder
@@ -563,23 +562,6 @@ namespace BetterLyrics.WinUI3.Services
             set => SetValue(LyricsLineSpacingFactorKey, value);
         }
 
-        public List<LyricsSearchProviderInfo> LyricsSearchProvidersInfo
-        {
-            get =>
-                System.Text.Json.JsonSerializer.Deserialize(
-                    GetValue<string>(LyricsSearchProvidersInfoKey) ?? "[]",
-                    SourceGenerationContext.Default.ListLyricsSearchProviderInfo
-                )!;
-            set =>
-                SetValue(
-                    LyricsSearchProvidersInfoKey,
-                    System.Text.Json.JsonSerializer.Serialize(
-                        value,
-                        SourceGenerationContext.Default.ListLyricsSearchProviderInfo
-                    )
-                );
-        }
-
         public List<AlbumArtSearchProviderInfo> AlbumArtSearchProvidersInfo
         {
             get =>
@@ -656,24 +638,12 @@ namespace BetterLyrics.WinUI3.Services
             set => SetValue(IgnoreFullscreenWindowKey, value);
         }
 
-        public int TimelineSyncThreshold
-        {
-            get => GetValue<int>(TimelineSyncThresholdKey);
-            set => SetValue(TimelineSyncThresholdKey, value);
-        }
-
         public bool IsLyricsFloatAnimationEnabled
         {
             get => GetValue<bool>(IsLyricsFloatAnimationEnabledKey);
             set => SetValue(IsLyricsFloatAnimationEnabledKey, value);
         }
 
-        public bool ResetPositionOffsetOnSongChanged
-        {
-            get => GetValue<bool>(ResetPositionOffsetOnSongChangedKey);
-            set => SetValue(ResetPositionOffsetOnSongChangedKey, value);
-        }
-
         public PlaybackOrder PlaybackOrder
         {
             get => (PlaybackOrder)GetValue<int>(PlaybackOrderKey);
@@ -698,6 +668,22 @@ namespace BetterLyrics.WinUI3.Services
             set => SetValue(DockMonitorDeviceNameKey, value);
         }
 
+        // LastFM
+
+        public string LastFMSessionKey
+        {
+            get => GetValue<string>(LastFMSessionKeyKey)!;
+            set => SetValue(LastFMSessionKeyKey, value);
+        }
+
+        public string LyricsTranslationSeparator
+        {
+            get => GetValue<string>(LyricsTranslationSeparatorKey)!;
+            set => SetValue(LyricsTranslationSeparatorKey, value);
+        }
+
+        // Common methods
+
         private T? GetValue<T>(string key)
         {
             if (_localSettings.Values.TryGetValue(key, out object? value))

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Services/TranslateService/ITranslateService.cs

@@ -6,7 +6,7 @@ using System.Text;
 using System.Threading;
 using System.Threading.Tasks;
 
-namespace BetterLyrics.WinUI3.Services
+namespace BetterLyrics.WinUI3.Services.TranslateService
 {
     public interface ITranslateService
     {

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Services/TranslateService/TranslateService.cs

@@ -1,6 +1,7 @@
 using BetterLyrics.WinUI3.Helper;
 using BetterLyrics.WinUI3.Models;
 using BetterLyrics.WinUI3.Serialization;
+using BetterLyrics.WinUI3.Services.SettingsService;
 using BetterLyrics.WinUI3.ViewModels;
 using Lyricify.Lyrics.Helpers.General;
 using Microsoft.UI.Dispatching;
@@ -13,7 +14,7 @@ using System.Text;
 using System.Threading;
 using System.Threading.Tasks;
 
-namespace BetterLyrics.WinUI3.Services
+namespace BetterLyrics.WinUI3.Services.TranslateService
 {
     public class TranslateService : BaseViewModel, ITranslateService
     {

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Strings/en-US/Resources.resw

@@ -285,9 +285,6 @@
   <data name="SettingsPageAbout.Content" xml:space="preserve">
     <value>About</value>
   </data>
-  <data name="SettingsPageLyricsLib.Content" xml:space="preserve">
-    <value>Lyrics library</value>
-  </data>
   <data name="SettingsPageAppAppearance.Text" xml:space="preserve">
     <value>App appearance</value>
   </data>
@@ -566,13 +563,10 @@ If you encounter any problems, please go to the Settings page, About tab, and vi
     <value>Easing animation type</value>
   </data>
   <data name="SettingsPagePlaybackLib.Content" xml:space="preserve">
-    <value>Playback sources</value>
+    <value>Playback and lyrics sources</value>
   </data>
   <data name="SettingsPageMediaSourceProvidersConfig.Header" xml:space="preserve">
-    <value>Playback sources</value>
-  </data>
-  <data name="SettingsPageMediaSourceProvidersConfig.Description" xml:space="preserve">
-    <value>Enable or disable lyrics display for a specified media source</value>
+    <value>Monitor this playback source</value>
   </data>
   <data name="SettingsPageLog.Header" xml:space="preserve">
     <value>Log record</value>
@@ -643,7 +637,7 @@ If you encounter any problems, please go to the Settings page, About tab, and vi
   <data name="TranslateServerNotSet" xml:space="preserve">
     <value>Translate server is not set, please configure it in settings first</value>
   </data>
-  <data name="LyricsPagePositionOffsetHint.Text" xml:space="preserve">
+  <data name="LyricsPagePositionOffsetHint.Header" xml:space="preserve">
     <value>Reset to 0 when switching songs</value>
   </data>
   <data name="SettingsPageTargetLanguage.Description" xml:space="preserve">
@@ -919,4 +913,67 @@ If you encounter any problems, please go to the Settings page, About tab, and vi
   <data name="SettingsPageLyricsAlignment.Description" xml:space="preserve">
     <value>This setting will not affect the dock mode and the dock mode will always remain centered.</value>
   </data>
+  <data name="SettingsPageLastFM.Content" xml:space="preserve">
+    <value>Last.fm</value>
+  </data>
+  <data name="SettingsPageLastFMManager.Header" xml:space="preserve">
+    <value>Last.fm</value>
+  </data>
+  <data name="SettingsPageLastFMAuth.Content" xml:space="preserve">
+    <value>Authorize</value>
+  </data>
+  <data name="SettingsPageLastFMUnAuth.Content" xml:space="preserve">
+    <value>Revoke authorization</value>
+  </data>
+  <data name="SettingsPageLastFMTrack.Header" xml:space="preserve">
+    <value>Track listening history via Last.fm</value>
+  </data>
+  <data name="SettingsPageLastFMUsername.Header" xml:space="preserve">
+    <value>Username</value>
+  </data>
+  <data name="SettingsPageLastFMPlaycount.Header" xml:space="preserve">
+    <value>Total playing count</value>
+  </data>
+  <data name="SettingsPageLastFMRegistered.Header" xml:space="preserve">
+    <value>Registration date</value>
+  </data>
+  <data name="SettingsPageLyricsTranslationSeparator.Header" xml:space="preserve">
+    <value>Source and translation separator</value>
+  </data>
+  <data name="LyricsWindowImmersiveButtonToolTip.Content" xml:space="preserve">
+    <value>Immersive mode</value>
+  </data>
+  <data name="MusicGalleryPagePlayAll.Content" xml:space="preserve">
+    <value>Play all</value>
+  </data>
+  <data name="SettingsPagePlaybackNotFound.Text" xml:space="preserve">
+    <value>No playback source captured</value>
+  </data>
+  <data name="SettingsPageLastFMRefresh.Content" xml:space="preserve">
+    <value>Refresh</value>
+  </data>
+  <data name="LastFMAuthFailed" xml:space="preserve">
+    <value>Authorization failed, please try again</value>
+  </data>
+  <data name="LastFMRequestAuthTitle" xml:space="preserve">
+    <value>Grant BetterLyrics permission to access your Last.fm account</value>
+  </data>
+  <data name="LastFMRequestAuthDesc" xml:space="preserve">
+    <value>Please complete the authorization in your browser</value>
+  </data>
+  <data name="LastFMRequestAuthConfirm" xml:space="preserve">
+    <value>I have completed the authorization</value>
+  </data>
+  <data name="Cancel" xml:space="preserve">
+    <value>Cancel</value>
+  </data>
+  <data name="LastFMRequestUnAuthTitle" xml:space="preserve">
+    <value>Revoke BetterLyrics' permission to access your Last.fm account</value>
+  </data>
+  <data name="LastFMRequestUnAuthDesc" xml:space="preserve">
+    <value>Please complete the cancellation operation in your browser</value>
+  </data>
+  <data name="LastFMRequestUnAuthConfirm" xml:space="preserve">
+    <value>I have canceled my authorization</value>
+  </data>
 </root>

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Strings/ja-JP/Resources.resw

@@ -285,9 +285,6 @@
   <data name="SettingsPageAbout.Content" xml:space="preserve">
     <value>について</value>
   </data>
-  <data name="SettingsPageLyricsLib.Content" xml:space="preserve">
-    <value>歌詞</value>
-  </data>
   <data name="SettingsPageAppAppearance.Text" xml:space="preserve">
     <value>アプリの外観</value>
   </data>
@@ -566,13 +563,10 @@
     <value>アニメーションタイプを緩和します</value>
   </data>
   <data name="SettingsPagePlaybackLib.Content" xml:space="preserve">
-    <value>再生ソース</value>
+    <value>プレイと歌詞</value>
   </data>
   <data name="SettingsPageMediaSourceProvidersConfig.Header" xml:space="preserve">
-    <value>再生ソース</value>
-  </data>
-  <data name="SettingsPageMediaSourceProvidersConfig.Description" xml:space="preserve">
-    <value>指定されたメディアソースの歌詞ディスプレイを有効または無効にする</value>
+    <value>この再生ソースを監視します</value>
   </data>
   <data name="SettingsPageLog.Header" xml:space="preserve">
     <value>ログレコード</value>
@@ -643,7 +637,7 @@
   <data name="TranslateServerNotSet" xml:space="preserve">
     <value>翻訳サーバーは設定されていません。最初に設定で構成してください</value>
   </data>
-  <data name="LyricsPagePositionOffsetHint.Text" xml:space="preserve">
+  <data name="LyricsPagePositionOffsetHint.Header" xml:space="preserve">
     <value>曲を切り替えるときに0にリセットします</value>
   </data>
   <data name="SettingsPageTargetLanguage.Description" xml:space="preserve">
@@ -919,4 +913,67 @@
   <data name="SettingsPageLyricsAlignment.Description" xml:space="preserve">
     <value>この設定はドックモードには影響しません。ドックモードは常に中心のままです。</value>
   </data>
+  <data name="SettingsPageLastFM.Content" xml:space="preserve">
+    <value>Last.fm</value>
+  </data>
+  <data name="SettingsPageLastFMManager.Header" xml:space="preserve">
+    <value>Last.fm</value>
+  </data>
+  <data name="SettingsPageLastFMAuth.Content" xml:space="preserve">
+    <value>許可</value>
+  </data>
+  <data name="SettingsPageLastFMUnAuth.Content" xml:space="preserve">
+    <value>承認を取り消します</value>
+  </data>
+  <data name="SettingsPageLastFMTrack.Header" xml:space="preserve">
+    <value>last.fm 経由でリスニング履歴を追跡します</value>
+  </data>
+  <data name="SettingsPageLastFMUsername.Header" xml:space="preserve">
+    <value>ユーザー名</value>
+  </data>
+  <data name="SettingsPageLastFMPlaycount.Header" xml:space="preserve">
+    <value>合計プレイカウント</value>
+  </data>
+  <data name="SettingsPageLastFMRegistered.Header" xml:space="preserve">
+    <value>登録日</value>
+  </data>
+  <data name="SettingsPageLyricsTranslationSeparator.Header" xml:space="preserve">
+    <value>ソースおよび翻訳セパレーター</value>
+  </data>
+  <data name="LyricsWindowImmersiveButtonToolTip.Content" xml:space="preserve">
+    <value>没入モード</value>
+  </data>
+  <data name="MusicGalleryPagePlayAll.Content" xml:space="preserve">
+    <value>すべてを再生します</value>
+  </data>
+  <data name="SettingsPagePlaybackNotFound.Text" xml:space="preserve">
+    <value>キャプチャされた再生ソースはありません</value>
+  </data>
+  <data name="SettingsPageLastFMRefresh.Content" xml:space="preserve">
+    <value>リフレッシュします</value>
+  </data>
+  <data name="LastFMAuthFailed" xml:space="preserve">
+    <value>承認が失敗しました、もう一度やり直してください</value>
+  </data>
+  <data name="LastFMRequestAuthTitle" xml:space="preserve">
+    <value>BetterLyricsにLast.fmアカウントへのアクセスを許可してください！</value>
+  </data>
+  <data name="LastFMRequestAuthDesc" xml:space="preserve">
+    <value>ブラウザの承認を完了してください</value>
+  </data>
+  <data name="LastFMRequestAuthConfirm" xml:space="preserve">
+    <value>私は承認を完了しました</value>
+  </data>
+  <data name="Cancel" xml:space="preserve">
+    <value>キャンセル</value>
+  </data>
+  <data name="LastFMRequestUnAuthTitle" xml:space="preserve">
+    <value>Last.fmアカウントへのBetterLyricsアクセスを取り消します！</value>
+  </data>
+  <data name="LastFMRequestUnAuthDesc" xml:space="preserve">
+    <value>ブラウザでキャンセル操作を完了してください</value>
+  </data>
+  <data name="LastFMRequestUnAuthConfirm" xml:space="preserve">
+    <value>認可をキャンセルしました</value>
+  </data>
 </root>

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Strings/ko-KR/Resources.resw

@@ -285,9 +285,6 @@
   <data name="SettingsPageAbout.Content" xml:space="preserve">
     <value>에 대한</value>
   </data>
-  <data name="SettingsPageLyricsLib.Content" xml:space="preserve">
-    <value>가사</value>
-  </data>
   <data name="SettingsPageAppAppearance.Text" xml:space="preserve">
     <value>앱 모양</value>
   </data>
@@ -566,13 +563,10 @@
     <value>애니메이션 유형 완화</value>
   </data>
   <data name="SettingsPagePlaybackLib.Content" xml:space="preserve">
-    <value>재생 소스</value>
+    <value>연극과 가사</value>
   </data>
   <data name="SettingsPageMediaSourceProvidersConfig.Header" xml:space="preserve">
-    <value>재생 소스</value>
-  </data>
-  <data name="SettingsPageMediaSourceProvidersConfig.Description" xml:space="preserve">
-    <value>지정된 미디어 소스의 가사 디스플레이 활성화 또는 비활성화</value>
+    <value>이 재생 소스를 모니터링하십시오</value>
   </data>
   <data name="SettingsPageLog.Header" xml:space="preserve">
     <value>로그 레코드</value>
@@ -643,7 +637,7 @@
   <data name="TranslateServerNotSet" xml:space="preserve">
     <value>번역 서버가 설정되지 않았습니다. 먼저 설정으로 구성하십시오.</value>
   </data>
-  <data name="LyricsPagePositionOffsetHint.Text" xml:space="preserve">
+  <data name="LyricsPagePositionOffsetHint.Header" xml:space="preserve">
     <value>노래를 전환 할 때 0 으로 재설정하십시오</value>
   </data>
   <data name="SettingsPageTargetLanguage.Description" xml:space="preserve">
@@ -919,4 +913,67 @@
   <data name="SettingsPageLyricsAlignment.Description" xml:space="preserve">
     <value>이 설정은 도크 모드에 영향을 미치지 않으며 도크 모드는 항상 중앙에 유지됩니다.</value>
   </data>
+  <data name="SettingsPageLastFM.Content" xml:space="preserve">
+    <value>Last.fm</value>
+  </data>
+  <data name="SettingsPageLastFMManager.Header" xml:space="preserve">
+    <value>Last.fm</value>
+  </data>
+  <data name="SettingsPageLastFMAuth.Content" xml:space="preserve">
+    <value>승인</value>
+  </data>
+  <data name="SettingsPageLastFMUnAuth.Content" xml:space="preserve">
+    <value>취소 승인</value>
+  </data>
+  <data name="SettingsPageLastFMTrack.Header" xml:space="preserve">
+    <value>Last.fm 을 통해 청취 기록을 추적합니다</value>
+  </data>
+  <data name="SettingsPageLastFMUsername.Header" xml:space="preserve">
+    <value>사용자 이름</value>
+  </data>
+  <data name="SettingsPageLastFMPlaycount.Header" xml:space="preserve">
+    <value>총 플레이 카운트</value>
+  </data>
+  <data name="SettingsPageLastFMRegistered.Header" xml:space="preserve">
+    <value>등록일</value>
+  </data>
+  <data name="SettingsPageLyricsTranslationSeparator.Header" xml:space="preserve">
+    <value>소스 및 번역 분리기</value>
+  </data>
+  <data name="LyricsWindowImmersiveButtonToolTip.Content" xml:space="preserve">
+    <value>몰입 형 모드</value>
+  </data>
+  <data name="MusicGalleryPagePlayAll.Content" xml:space="preserve">
+    <value>모두 재생하십시오</value>
+  </data>
+  <data name="SettingsPagePlaybackNotFound.Text" xml:space="preserve">
+    <value>재생 소스가 캡처되지 않았습니다</value>
+  </data>
+  <data name="SettingsPageLastFMRefresh.Content" xml:space="preserve">
+    <value>새로 고치다</value>
+  </data>
+  <data name="LastFMAuthFailed" xml:space="preserve">
+    <value>승인이 실패했습니다. 다시 시도하십시오</value>
+  </data>
+  <data name="LastFMRequestAuthTitle" xml:space="preserve">
+    <value>Last.fm 계정에 BetterLyrics 액세스 권한을 부여하세요!</value>
+  </data>
+  <data name="LastFMRequestAuthDesc" xml:space="preserve">
+    <value>브라우저에서 승인을 완료하십시오</value>
+  </data>
+  <data name="LastFMRequestAuthConfirm" xml:space="preserve">
+    <value>나는 승인을 완료했다</value>
+  </data>
+  <data name="Cancel" xml:space="preserve">
+    <value>취소</value>
+  </data>
+  <data name="LastFMRequestUnAuthTitle" xml:space="preserve">
+    <value>Last.fm 계정에 대한 BetterLyrics 액세스를 취소하십시오!</value>
+  </data>
+  <data name="LastFMRequestUnAuthDesc" xml:space="preserve">
+    <value>브라우저에서 취소 작업을 완료하십시오</value>
+  </data>
+  <data name="LastFMRequestUnAuthConfirm" xml:space="preserve">
+    <value>내 승인을 취소했습니다</value>
+  </data>
 </root>

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Strings/zh-CN/Resources.resw

@@ -285,9 +285,6 @@
   <data name="SettingsPageAbout.Content" xml:space="preserve">
     <value>关于</value>
   </data>
-  <data name="SettingsPageLyricsLib.Content" xml:space="preserve">
-    <value>歌词源</value>
-  </data>
   <data name="SettingsPageAppAppearance.Text" xml:space="preserve">
     <value>应用外观</value>
   </data>
@@ -566,13 +563,10 @@
     <value>缓动动画类型</value>
   </data>
   <data name="SettingsPagePlaybackLib.Content" xml:space="preserve">
-    <value>播放源</value>
+    <value>播放与歌词源</value>
   </data>
   <data name="SettingsPageMediaSourceProvidersConfig.Header" xml:space="preserve">
-    <value>播放源</value>
-  </data>
-  <data name="SettingsPageMediaSourceProvidersConfig.Description" xml:space="preserve">
-    <value>为指定媒体源启用或禁用歌词显示</value>
+    <value>监听此播放源</value>
   </data>
   <data name="SettingsPageLog.Header" xml:space="preserve">
     <value>日志记录</value>
@@ -643,7 +637,7 @@
   <data name="TranslateServerNotSet" xml:space="preserve">
     <value>未设置Translate服务器，请先在设置中进行配置</value>
   </data>
-  <data name="LyricsPagePositionOffsetHint.Text" xml:space="preserve">
+  <data name="LyricsPagePositionOffsetHint.Header" xml:space="preserve">
     <value>切换歌曲时重置为 0</value>
   </data>
   <data name="SettingsPageTargetLanguage.Description" xml:space="preserve">
@@ -919,4 +913,67 @@
   <data name="SettingsPageLyricsAlignment.Description" xml:space="preserve">
     <value>此设置不会影响停靠模式，停靠模式将始终保持居中。</value>
   </data>
+  <data name="SettingsPageLastFM.Content" xml:space="preserve">
+    <value>Last.fm</value>
+  </data>
+  <data name="SettingsPageLastFMManager.Header" xml:space="preserve">
+    <value>Last.fm</value>
+  </data>
+  <data name="SettingsPageLastFMAuth.Content" xml:space="preserve">
+    <value>授权</value>
+  </data>
+  <data name="SettingsPageLastFMUnAuth.Content" xml:space="preserve">
+    <value>撤销授权</value>
+  </data>
+  <data name="SettingsPageLastFMTrack.Header" xml:space="preserve">
+    <value>通过 Last.fm 跟踪听歌历史记录</value>
+  </data>
+  <data name="SettingsPageLastFMUsername.Header" xml:space="preserve">
+    <value>用户名</value>
+  </data>
+  <data name="SettingsPageLastFMPlaycount.Header" xml:space="preserve">
+    <value>听歌总数量</value>
+  </data>
+  <data name="SettingsPageLastFMRegistered.Header" xml:space="preserve">
+    <value>注册日期</value>
+  </data>
+  <data name="SettingsPageLyricsTranslationSeparator.Header" xml:space="preserve">
+    <value>原文译文分隔符</value>
+  </data>
+  <data name="LyricsWindowImmersiveButtonToolTip.Content" xml:space="preserve">
+    <value>沉浸模式</value>
+  </data>
+  <data name="MusicGalleryPagePlayAll.Content" xml:space="preserve">
+    <value>播放全部</value>
+  </data>
+  <data name="SettingsPagePlaybackNotFound.Text" xml:space="preserve">
+    <value>没有捕获的播放源</value>
+  </data>
+  <data name="SettingsPageLastFMRefresh.Content" xml:space="preserve">
+    <value>刷新</value>
+  </data>
+  <data name="LastFMAuthFailed" xml:space="preserve">
+    <value>授权失败，请重试</value>
+  </data>
+  <data name="LastFMRequestAuthTitle" xml:space="preserve">
+    <value>授予 BetterLyrics 访问您 Last.fm 账户的权限</value>
+  </data>
+  <data name="LastFMRequestAuthDesc" xml:space="preserve">
+    <value>请在浏览器中完成授权</value>
+  </data>
+  <data name="LastFMRequestAuthConfirm" xml:space="preserve">
+    <value>我已经完成了授权</value>
+  </data>
+  <data name="Cancel" xml:space="preserve">
+    <value>取消</value>
+  </data>
+  <data name="LastFMRequestUnAuthTitle" xml:space="preserve">
+    <value>撤销 BetterLyrics 访问您 Last.fm 账户的权限</value>
+  </data>
+  <data name="LastFMRequestUnAuthDesc" xml:space="preserve">
+    <value>请在浏览器中完成取消操作</value>
+  </data>
+  <data name="LastFMRequestUnAuthConfirm" xml:space="preserve">
+    <value>我已经取消了我的授权</value>
+  </data>
 </root>

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Strings/zh-TW/Resources.resw

@@ -285,9 +285,6 @@
   <data name="SettingsPageAbout.Content" xml:space="preserve">
     <value>關於</value>
   </data>
-  <data name="SettingsPageLyricsLib.Content" xml:space="preserve">
-    <value>歌詞源</value>
-  </data>
   <data name="SettingsPageAppAppearance.Text" xml:space="preserve">
     <value>應用外觀</value>
   </data>
@@ -566,13 +563,10 @@
     <value>緩動動畫類型</value>
   </data>
   <data name="SettingsPagePlaybackLib.Content" xml:space="preserve">
-    <value>播放來源</value>
+    <value>播放與歌詞源</value>
   </data>
   <data name="SettingsPageMediaSourceProvidersConfig.Header" xml:space="preserve">
-    <value>播放來源</value>
-  </data>
-  <data name="SettingsPageMediaSourceProvidersConfig.Description" xml:space="preserve">
-    <value>為指定媒體源啟用或禁用歌詞顯示</value>
+    <value>監聽此播放來源</value>
   </data>
   <data name="SettingsPageLog.Header" xml:space="preserve">
     <value>日誌記錄</value>
@@ -643,7 +637,7 @@
   <data name="TranslateServerNotSet" xml:space="preserve">
     <value>未設定翻譯伺服器，請先在設定中進行配置</value>
   </data>
-  <data name="LyricsPagePositionOffsetHint.Text" xml:space="preserve">
+  <data name="LyricsPagePositionOffsetHint.Header" xml:space="preserve">
     <value>切換歌曲時重置為 0</value>
   </data>
   <data name="SettingsPageTargetLanguage.Description" xml:space="preserve">
@@ -919,4 +913,67 @@
   <data name="SettingsPageLyricsAlignment.Description" xml:space="preserve">
     <value>此設定不會影響停靠模式，停靠模式將始終保持居中。</value>
   </data>
+  <data name="SettingsPageLastFM.Content" xml:space="preserve">
+    <value>Last.fm</value>
+  </data>
+  <data name="SettingsPageLastFMManager.Header" xml:space="preserve">
+    <value>Last.fm</value>
+  </data>
+  <data name="SettingsPageLastFMAuth.Content" xml:space="preserve">
+    <value>授權</value>
+  </data>
+  <data name="SettingsPageLastFMUnAuth.Content" xml:space="preserve">
+    <value>撤銷授權</value>
+  </data>
+  <data name="SettingsPageLastFMTrack.Header" xml:space="preserve">
+    <value>透過 Last.fm 追蹤聽歌歷史記錄</value>
+  </data>
+  <data name="SettingsPageLastFMUsername.Header" xml:space="preserve">
+    <value>使用者名稱</value>
+  </data>
+  <data name="SettingsPageLastFMPlaycount.Header" xml:space="preserve">
+    <value>聽歌總數量</value>
+  </data>
+  <data name="SettingsPageLastFMRegistered.Header" xml:space="preserve">
+    <value>註冊日期</value>
+  </data>
+  <data name="SettingsPageLyricsTranslationSeparator.Header" xml:space="preserve">
+    <value>原文譯文分隔符</value>
+  </data>
+  <data name="LyricsWindowImmersiveButtonToolTip.Content" xml:space="preserve">
+    <value>沉浸模式</value>
+  </data>
+  <data name="MusicGalleryPagePlayAll.Content" xml:space="preserve">
+    <value>播放全部</value>
+  </data>
+  <data name="SettingsPagePlaybackNotFound.Text" xml:space="preserve">
+    <value>沒有捕獲的播放源</value>
+  </data>
+  <data name="SettingsPageLastFMRefresh.Content" xml:space="preserve">
+    <value>重新整理</value>
+  </data>
+  <data name="LastFMAuthFailed" xml:space="preserve">
+    <value>授權失敗，請重試</value>
+  </data>
+  <data name="LastFMRequestAuthTitle" xml:space="preserve">
+    <value>授予 BetterLyrics 訪問您 Last.fm 賬戶的權限</value>
+  </data>
+  <data name="LastFMRequestAuthDesc" xml:space="preserve">
+    <value>請在瀏覽器中完成授權</value>
+  </data>
+  <data name="LastFMRequestAuthConfirm" xml:space="preserve">
+    <value>我已經完成了授權</value>
+  </data>
+  <data name="Cancel" xml:space="preserve">
+    <value>取消</value>
+  </data>
+  <data name="LastFMRequestUnAuthTitle" xml:space="preserve">
+    <value>撤銷 BetterLyrics 訪問您 Last.fm 賬戶的權限</value>
+  </data>
+  <data name="LastFMRequestUnAuthDesc" xml:space="preserve">
+    <value>請在瀏覽器中完成取消操作</value>
+  </data>
+  <data name="LastFMRequestUnAuthConfirm" xml:space="preserve">
+    <value>我已經取消了我的授權</value>
+  </data>
 </root>

BetterLyrics.WinUI3/BetterLyrics.WinUI3/ViewModels/BaseViewModel.cs

@@ -1,6 +1,6 @@
 // 2025/6/23 by Zhe Fang
 
-using BetterLyrics.WinUI3.Services;
+using BetterLyrics.WinUI3.Services.SettingsService;
 using CommunityToolkit.Mvvm.ComponentModel;
 using Microsoft.UI.Dispatching;
 using System;

BetterLyrics.WinUI3/BetterLyrics.WinUI3/ViewModels/BaseWindowViewModel.cs

@@ -3,7 +3,7 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
-using BetterLyrics.WinUI3.Services;
+using BetterLyrics.WinUI3.Services.SettingsService;
 using CommunityToolkit.Mvvm.ComponentModel;
 using CommunityToolkit.Mvvm.Messaging;
 using CommunityToolkit.Mvvm.Messaging.Messages;

BetterLyrics.WinUI3/BetterLyrics.WinUI3/ViewModels/LyricsPageViewModel.cs

@@ -3,7 +3,8 @@
 using BetterLyrics.WinUI3.Enums;
 using BetterLyrics.WinUI3.Helper;
 using BetterLyrics.WinUI3.Models;
-using BetterLyrics.WinUI3.Services;
+using BetterLyrics.WinUI3.Services.MediaSessionsService;
+using BetterLyrics.WinUI3.Services.SettingsService;
 using BetterLyrics.WinUI3.Views;
 using CommunityToolkit.Mvvm.ComponentModel;
 using CommunityToolkit.Mvvm.Input;
@@ -27,7 +28,7 @@ namespace BetterLyrics.WinUI3.ViewModels
         IRecipient<PropertyChangedMessage<LyricsSearchProvider?>>,
         IRecipient<PropertyChangedMessage<TranslationSearchProvider?>>
     {
-        private readonly IPlaybackService _playbackService;
+        private readonly IMediaSessionsService _mediaSessionsService;
         private readonly ThrottleHelper _timelineThrottle = new(TimeSpan.FromSeconds(1));
 
         private bool _isDockMode = false;
@@ -37,12 +38,11 @@ namespace BetterLyrics.WinUI3.ViewModels
         private int _lyricsDockFontSize = 8;
         private int _lyricsDesktopFontSize = 8;
 
-        public LyricsPageViewModel(ISettingsService settingsService, IPlaybackService playbackService) : base(settingsService)
+        public LyricsPageViewModel(ISettingsService settingsService, IMediaSessionsService mediaSessionsService) : base(settingsService)
         {
             IsFirstRun = _settingsService.IsFirstRun;
             IsTranslationEnabled = _settingsService.IsTranslationEnabled;
             DisplayType = _settingsService.DisplayType;
-            ResetPositionOffsetOnSongChanged = _settingsService.ResetPositionOffsetOnSongChanged;
             PositionOffset = _settingsService.PositionOffset;
             IsImmersiveMode = _settingsService.IsImmersiveMode;
             ShowTranslationOnly = _settingsService.ShowTranslationOnly;
@@ -56,12 +56,12 @@ namespace BetterLyrics.WinUI3.ViewModels
             //Volume = SystemVolumeHelper.GetMasterVolume();
             //SystemVolumeHelper.VolumeChanged += SystemVolumeHelper_VolumeChanged;
 
-            _playbackService = playbackService;
-            _playbackService.SongInfoChanged += PlaybackService_SongInfoChanged;
-            _playbackService.IsPlayingChanged += PlaybackService_IsPlayingChanged;
-            _playbackService.TimelineChanged += PlaybackService_TimelineChanged;
+            _mediaSessionsService = mediaSessionsService;
+            _mediaSessionsService.SongInfoChanged += PlaybackService_SongInfoChanged;
+            _mediaSessionsService.IsPlayingChanged += PlaybackService_IsPlayingChanged;
+            _mediaSessionsService.TimelineChanged += PlaybackService_TimelineChanged;
 
-            IsSongPlaying = _playbackService.IsPlaying;
+            IsSongPlaying = _mediaSessionsService.IsPlaying;
         }
 
         private void PlaybackService_TimelineChanged(object? sender, Events.TimelineChangedEventArgs e)
@@ -83,10 +83,6 @@ namespace BetterLyrics.WinUI3.ViewModels
         {
             SongInfo = e.SongInfo;
             SongDurationSeconds = SongInfo?.Duration ?? 0;
-            if (ResetPositionOffsetOnSongChanged)
-            {
-                PositionOffset = 0;
-            }
         }
 
         [ObservableProperty]
@@ -138,10 +134,6 @@ namespace BetterLyrics.WinUI3.ViewModels
         [NotifyPropertyChangedRecipients]
         public partial bool ShowTranslationOnly { get; set; }
 
-        [ObservableProperty]
-        [NotifyPropertyChangedRecipients]
-        public partial bool ResetPositionOffsetOnSongChanged { get; set; }
-
         [ObservableProperty]
         public partial bool IsSongPlaying { get; set; }
 
@@ -213,25 +205,25 @@ namespace BetterLyrics.WinUI3.ViewModels
         [RelayCommand]
         private async Task PlaySongAsync()
         {
-            await _playbackService.PlayAsync();
+            await _mediaSessionsService.PlayAsync();
         }
 
         [RelayCommand]
         private async Task PauseSongAsync()
         {
-            await _playbackService.PauseAsync();
+            await _mediaSessionsService.PauseAsync();
         }
 
         [RelayCommand]
         private async Task PreviousSongAsync()
         {
-            await _playbackService.PreviousAsync();
+            await _mediaSessionsService.PreviousAsync();
         }
 
         [RelayCommand]
         private async Task NextSongAsync()
         {
-            await _playbackService.NextAsync();
+            await _mediaSessionsService.NextAsync();
         }
 
         partial void OnIsFirstRunChanged(bool value)
@@ -271,17 +263,17 @@ namespace BetterLyrics.WinUI3.ViewModels
 
         public void Receive(PropertyChangedMessage<int> message)
         {
-            if (message.Sender is SettingsPageViewModel)
+            if (message.Sender is SettingsPageViewModel.SettingsPageViewModel)
             {
-                if (message.PropertyName == nameof(SettingsPageViewModel.LyricsStandardFontSize))
+                if (message.PropertyName == nameof(SettingsPageViewModel.SettingsPageViewModel.LyricsStandardFontSize))
                 {
                     UpdateHintMessageFontSize();
                 }
-                else if (message.PropertyName == nameof(SettingsPageViewModel.LyricsDockFontSize))
+                else if (message.PropertyName == nameof(SettingsPageViewModel.SettingsPageViewModel.LyricsDockFontSize))
                 {
                     UpdateHintMessageFontSize();
                 }
-                else if (message.PropertyName == nameof(SettingsPageViewModel.LyricsDesktopFontSize))
+                else if (message.PropertyName == nameof(SettingsPageViewModel.SettingsPageViewModel.LyricsDesktopFontSize))
                 {
                     UpdateHintMessageFontSize();
                 }
@@ -290,9 +282,9 @@ namespace BetterLyrics.WinUI3.ViewModels
 
         public void Receive(PropertyChangedMessage<string> message)
         {
-            if (message.Sender is SettingsPageViewModel)
+            if (message.Sender is SettingsPageViewModel.SettingsPageViewModel)
             {
-                if (message.PropertyName == nameof(SettingsPageViewModel.LyricsFontFamily))
+                if (message.PropertyName == nameof(SettingsPageViewModel.SettingsPageViewModel.LyricsFontFamily))
                 {
                     LyricsFontFamily = message.NewValue;
                 }
@@ -306,9 +298,9 @@ namespace BetterLyrics.WinUI3.ViewModels
 
         public void Receive(PropertyChangedMessage<TimeSpan> message)
         {
-            if (message.Sender is LyricsRendererViewModel)
+            if (message.Sender is LyricsRendererViewModel.LyricsRendererViewModel)
             {
-                if (message.PropertyName == nameof(LyricsRendererViewModel.TotalTime))
+                if (message.PropertyName == nameof(LyricsRendererViewModel.LyricsRendererViewModel.TotalTime))
                 {
                     if (_timelineThrottle.CanTrigger())
                     {
@@ -323,9 +315,9 @@ namespace BetterLyrics.WinUI3.ViewModels
 
         public void Receive(PropertyChangedMessage<LyricsSearchProvider?> message)
         {
-            if (message.Sender is LyricsRendererViewModel)
+            if (message.Sender is LyricsRendererViewModel.LyricsRendererViewModel)
             {
-                if (message.PropertyName == nameof(LyricsRendererViewModel.LyricsSearchProvider))
+                if (message.PropertyName == nameof(LyricsRendererViewModel.LyricsRendererViewModel.LyricsSearchProvider))
                 {
                     LyricsSearchProvider = message.NewValue;
                 }
@@ -334,9 +326,9 @@ namespace BetterLyrics.WinUI3.ViewModels
 
         public void Receive(PropertyChangedMessage<TranslationSearchProvider?> message)
         {
-            if (message.Sender is LyricsRendererViewModel)
+            if (message.Sender is LyricsRendererViewModel.LyricsRendererViewModel)
             {
-                if (message.PropertyName == nameof(LyricsRendererViewModel.TranslationSearchProvider))
+                if (message.PropertyName == nameof(LyricsRendererViewModel.LyricsRendererViewModel.TranslationSearchProvider))
                 {
                     TranslationSearchProvider = message.NewValue;
                 }

BetterLyrics.WinUI3/BetterLyrics.WinUI3/ViewModels/LyricsRendererViewModel/LyricsRendererViewModel.Ctor.cs

@@ -1,20 +1,37 @@
 using BetterLyrics.WinUI3.Enums;
-using BetterLyrics.WinUI3.Services;
+using BetterLyrics.WinUI3.Services.LastFMService;
+using BetterLyrics.WinUI3.Services.LibWatcherService;
+using BetterLyrics.WinUI3.Services.LyricsSearchService;
+using BetterLyrics.WinUI3.Services.MediaSessionsService;
+using BetterLyrics.WinUI3.Services.SettingsService;
+using BetterLyrics.WinUI3.Services.TranslateService;
 using CommunityToolkit.Mvvm.DependencyInjection;
 using Microsoft.Extensions.Logging;
 using System;
+using System.Diagnostics;
 
-namespace BetterLyrics.WinUI3.ViewModels
+namespace BetterLyrics.WinUI3.ViewModels.LyricsRendererViewModel
 {
     public partial class LyricsRendererViewModel
     {
-        public LyricsRendererViewModel(ISettingsService settingsService, IPlaybackService playbackService, ILyricsSearchService musicSearchService, ILibWatcherService libWatcherService, ITranslateService libreTranslateService) : base(settingsService)
+        public LyricsRendererViewModel(
+            ISettingsService settingsService, 
+            IMediaSessionsService mediaSessionsService, 
+            ILyricsSearchService musicSearchService, 
+            ILibWatcherService libWatcherService, 
+            ITranslateService libreTranslateService,
+            ILastFMService lastFMService
+            ) : base(settingsService)
         {
             _lyrcsSearchService = musicSearchService;
-            _playbackService = playbackService;
+            _mediaSessionsService = mediaSessionsService;
             _libWatcherService = libWatcherService;
             _translateService = libreTranslateService;
 
+            _lastFMService = lastFMService;
+
+            _mediaSourceProvidersInfo = _settingsService.MediaSourceProvidersInfo;
+
             _logger = Ioc.Default.GetRequiredService<ILogger<LyricsRendererViewModel>>();
 
             _albumArtCornerRadius = _settingsService.CoverImageRadius;
@@ -59,9 +76,13 @@ namespace BetterLyrics.WinUI3.ViewModels
             _showTranslationOnly = _settingsService.ShowTranslationOnly;
             _isLibreTranslateEnabled = _settingsService.IsLibreTranslateEnabled;
             _targetLanguageIndex = _settingsService.SelectedTargetLanguageIndex;
+            _lyricsTranslationSeparator = _settingsService.LyricsTranslationSeparator;
+
+            _dockPlacement = _settingsService.DockPlacement;
+
             _titleTextFormat.HorizontalAlignment = _artistTextFormat.HorizontalAlignment = _settingsService.SongInfoAlignmentType.ToCanvasHorizontalAlignment();
 
-            _timelineSyncThreshold = _settingsService.TimelineSyncThreshold;
+            _timelineSyncThreshold = 0;
 
             _canvasYScrollTransition.SetDuration(_settingsService.LyricsScrollDuration / 1000f);
             _canvasYScrollTransition.SetEasingType(_settingsService.LyricsScrollEasingType);
@@ -73,12 +94,12 @@ namespace BetterLyrics.WinUI3.ViewModels
             _libWatcherService.MusicLibraryFilesChanged +=
                 LibWatcherService_MusicLibraryFilesChanged;
 
-            _playbackService.IsPlayingChanged += PlaybackService_IsPlayingChanged;
-            _playbackService.SongInfoChanged += PlaybackService_SongInfoChanged;
-            _playbackService.AlbumArtChangedChanged += PlaybackService_AlbumArtChangedChanged;
-            _playbackService.TimelineChanged += PlaybackService_TimelineChanged;
+            _mediaSessionsService.IsPlayingChanged += PlaybackService_IsPlayingChanged;
+            _mediaSessionsService.SongInfoChanged += PlaybackService_SongInfoChanged;
+            _mediaSessionsService.AlbumArtChangedChanged += PlaybackService_AlbumArtChangedChanged;
+            _mediaSessionsService.TimelineChanged += PlaybackService_TimelineChanged;
 
-            _isPlaying = _playbackService.IsPlaying;
+            _isPlaying = _mediaSessionsService.IsPlaying;
 
             UpdateColorConfig();
         }

BetterLyrics.WinUI3/BetterLyrics.WinUI3/ViewModels/LyricsRendererViewModel/LyricsRendererViewModel.Draw.cs

@@ -17,7 +17,7 @@ using Windows.Foundation;
 using Windows.Graphics.Effects;
 using Windows.UI;
 
-namespace BetterLyrics.WinUI3.ViewModels
+namespace BetterLyrics.WinUI3.ViewModels.LyricsRendererViewModel
 {
     public partial class LyricsRendererViewModel
     {
@@ -35,15 +35,15 @@ namespace BetterLyrics.WinUI3.ViewModels
 
             if (_isDockMode)
             {
-                FillBackgroundColor(control, combinedDs, _immersiveBgColorTransition.Value, 0f, _immersiveBgOpacityTransition.Value);
+                FillBackground(control, combinedDs, _immersiveBgColorTransition.Value, 0f, _immersiveBgOpacityTransition.Value * _albumArtBgOpacity / 100f);
             }
             else if (_isDesktopMode)
             {
-                FillBackgroundColor(control, combinedDs, _immersiveBgColorTransition.Value, 0f, _immersiveBgOpacityTransition.Value);
+                FillBackground(control, combinedDs, _immersiveBgColorTransition.Value, 0f, _immersiveBgOpacityTransition.Value * _albumArtBgOpacity / 100f);
             }
             else
             {
-                FillBackgroundColor(control, combinedDs, _albumArtAccentColorTransition.Value, 0f, _albumArtBgOpacity / 100f);
+                FillBackground(control, combinedDs, _albumArtAccentColorTransition.Value, 0f, _albumArtBgOpacity / 100f);
                 DrawAlbumArtBackground(control, combinedDs);
             }
 
@@ -83,7 +83,7 @@ namespace BetterLyrics.WinUI3.ViewModels
                             $"Total line count: {GetMaxLyricsLineIndexBoundaries().Item2 + 1}\n" +
                             $"Cur time: {TotalTime + _positionOffset}\n" +
                             $"Lang size: {_lyricsDataArr.Count}\n" +
-                            $"Song duration: {TimeSpan.FromMilliseconds(SongInfo?.DurationMs ?? 0)}\n" + 
+                            $"Song duration: {TimeSpan.FromMilliseconds(SongInfo?.DurationMs ?? 0)}\n" +
                             $"Y offset: {_canvasYScrollTransition.Value}",
                         new Vector2(10, 40),
                         ThemeTypeSent == Microsoft.UI.Xaml.ElementTheme.Light ? Colors.Black : Colors.White,
@@ -259,7 +259,7 @@ namespace BetterLyrics.WinUI3.ViewModels
                     }
                 );
 
-                if (line.HighlightOpacityTransition.Value !=0)
+                if (line.HighlightOpacityTransition.Value != 0)
                 {
                     // 再叠加高亮行歌词层（前景歌词层）
                     using var mask = new CanvasCommandList(control.Device);
@@ -324,13 +324,13 @@ namespace BetterLyrics.WinUI3.ViewModels
                         );
 
                         // Brushes
-                        using var fadeInBrush = GetHorizontalFillBrush(
+                        using var fadeInBrush = CreateHorizontalFillBrush(
                             control,
                             [(0f, 0f), (1f, 1f)],
                             (float)highlightRect.Right - fadingWidth,
                             fadingWidth
                         );
-                        using var fadeOutBrush = GetHorizontalFillBrush(
+                        using var fadeOutBrush = CreateHorizontalFillBrush(
                             control,
                             [(0f, 1f), (1f, 0f)],
                             (float)highlightRect.Right,
@@ -345,22 +345,34 @@ namespace BetterLyrics.WinUI3.ViewModels
                     }
                     else
                     {
-                        float height = 0f;
+                        //float height = 0f;
                         var regions = textLayout.GetCharacterRegions(0, line.OriginalText.Length);
                         if (regions.Length > 0)
                         {
-                            height = (float)regions[^1].LayoutBounds.Bottom - (float)regions[0].LayoutBounds.Top;
+                            //height = (float)regions[^1].LayoutBounds.Bottom - (float)regions[0].LayoutBounds.Top;
+
+                            for (int j = 0; j < regions.Length; j++)
+                            {
+                                var region = regions[j];
+                                var rect = new Rect(
+                                    region.LayoutBounds.X,
+                                    region.LayoutBounds.Y + line.Position.Y,
+                                    region.LayoutBounds.Width,
+                                    region.LayoutBounds.Height
+                                );
+                                maskDs.FillRectangle(rect, Colors.White);
+                            }
                         }
 
-                        maskDs.FillRectangle(
-                            new Rect(
-                                textLayout.LayoutBounds.X,
-                                line.Position.Y,
-                                textLayout.LayoutBounds.Width,
-                                height
-                            ),
-                            Colors.White
-                        );
+                        //maskDs.FillRectangle(
+                        //    new Rect(
+                        //        textLayout.LayoutBounds.X,
+                        //        line.Position.Y,
+                        //        textLayout.LayoutBounds.Width,
+                        //        height
+                        //    ),
+                        //    Colors.White
+                        //);
                     }
 
                     using var opacityEffect = new OpacityEffect
@@ -438,7 +450,7 @@ namespace BetterLyrics.WinUI3.ViewModels
             }
         }
 
-        private void FillBackgroundColor(ICanvasAnimatedControl control, CanvasDrawingSession ds, Color color, float radius, float opacity)
+        private void FillBackground(ICanvasAnimatedControl control, CanvasDrawingSession ds, Color color, float radius, float opacity)
         {
             ds.FillRoundedRectangle(
                 new Rect(0, 0, _canvasWidth, _canvasHeight),
@@ -448,7 +460,17 @@ namespace BetterLyrics.WinUI3.ViewModels
             );
         }
 
-        private CanvasLinearGradientBrush GetHorizontalFillBrush(
+        private void FillBackground(ICanvasAnimatedControl control, CanvasDrawingSession ds, CanvasLinearGradientBrush brush, float radius, float opacity)
+        {
+            ds.FillRoundedRectangle(
+                new Rect(0, 0, _canvasWidth, _canvasHeight),
+                radius,
+                radius,
+                brush
+            );
+        }
+
+        private CanvasLinearGradientBrush CreateHorizontalFillBrush(
             ICanvasAnimatedControl control,
             List<(float position, float opacity)> stops,
             float startX,
@@ -465,5 +487,23 @@ namespace BetterLyrics.WinUI3.ViewModels
                 EndPoint = new Vector2(startX + width, 0),
             };
         }
+
+        private CanvasLinearGradientBrush CreateVerticalFillBrush(
+            ICanvasAnimatedControl control,
+            List<(float position, Color color)> stops,
+            float startY,
+            float height
+        )
+        {
+            return new CanvasLinearGradientBrush(control, stops.Select(x => new CanvasGradientStop
+            {
+                Position = x.position,
+                Color = x.color,
+            }).ToArray())
+            {
+                StartPoint = new Vector2(0, startY),
+                EndPoint = new Vector2(0, startY + height),
+            };
+        }
     }
 }

BetterLyrics.WinUI3/BetterLyrics.WinUI3/ViewModels/LyricsRendererViewModel/LyricsRendererViewModel.Effects.cs

@@ -7,7 +7,7 @@ using System;
 using System.Numerics;
 using Windows.Foundation;
 
-namespace BetterLyrics.WinUI3.ViewModels
+namespace BetterLyrics.WinUI3.ViewModels.LyricsRendererViewModel
 {
     public partial class LyricsRendererViewModel
     {

BetterLyrics.WinUI3/BetterLyrics.WinUI3/ViewModels/LyricsRendererViewModel/LyricsRendererViewModel.Messages.cs

@@ -6,10 +6,11 @@ using Microsoft.Extensions.Logging;
 using Microsoft.UI.Xaml;
 using System;
 using System.Collections.ObjectModel;
+using System.Linq;
 using System.Threading.Tasks;
 using Windows.UI;
 
-namespace BetterLyrics.WinUI3.ViewModels
+namespace BetterLyrics.WinUI3.ViewModels.LyricsRendererViewModel
 {
     public partial class LyricsRendererViewModel
         : IRecipient<PropertyChangedMessage<int>>,
@@ -24,14 +25,15 @@ namespace BetterLyrics.WinUI3.ViewModels
             IRecipient<PropertyChangedMessage<LineRenderingType>>,
             IRecipient<PropertyChangedMessage<ElementTheme>>,
             IRecipient<PropertyChangedMessage<EasingType>>,
-            IRecipient<PropertyChangedMessage<ObservableCollection<LyricsSearchProviderInfo>>>,
+            IRecipient<PropertyChangedMessage<DockPlacement>>,
+            IRecipient<PropertyChangedMessage<ObservableCollection<MediaSourceProviderInfo>>>,
             IRecipient<PropertyChangedMessage<ObservableCollection<LocalMediaFolder>>>
     {
         public void Receive(PropertyChangedMessage<ObservableCollection<LocalMediaFolder>> message)
         {
-            if (message.Sender is SettingsPageViewModel)
+            if (message.Sender is SettingsPageViewModel.SettingsPageViewModel)
             {
-                if (message.PropertyName == nameof(SettingsPageViewModel.LocalMediaFolders))
+                if (message.PropertyName == nameof(SettingsPageViewModel.SettingsPageViewModel.LocalMediaFolders))
                 {
                     // Music lib changed, re-fetch lyrics
                     _logger.LogInformation("Local lyrics folders changed, refreshing lyrics.");
@@ -43,13 +45,19 @@ namespace BetterLyrics.WinUI3.ViewModels
             }
         }
 
-        public void Receive(PropertyChangedMessage<ObservableCollection<LyricsSearchProviderInfo>> message)
+        public void Receive(PropertyChangedMessage<ObservableCollection<MediaSourceProviderInfo>> message)
         {
-            if (message.Sender is SettingsPageViewModel)
+            if (message.Sender is SettingsPageViewModel.SettingsPageViewModel)
             {
-                if (message.PropertyName == nameof(SettingsPageViewModel.LyricsSearchProvidersInfo))
+                if (message.PropertyName == nameof(SettingsPageViewModel.SettingsPageViewModel.MediaSourceProvidersInfo))
                 {
-                    // Lyrics search providers info changed, re-fetch lyrics
+                    _mediaSourceProvidersInfo = message.NewValue.ToList();
+
+                    UpdateTimelineSyncThreshold();
+                    UpdatePositionOffset();
+                    UpdateIsLastFMTrackEnabled();
+
+                    // Media source providers info changed (maybe include lyrics search providers info changed), re-fetch lyrics
                     _logger.LogInformation("Lyrics search providers info changed, refreshing lyrics.");
                     _ = _refreshLyricsRunner.RunAsync(async token =>
                     {
@@ -61,31 +69,31 @@ namespace BetterLyrics.WinUI3.ViewModels
 
         public void Receive(PropertyChangedMessage<bool> message)
         {
-            if (message.Sender is SettingsPageViewModel)
+            if (message.Sender is SettingsPageViewModel.SettingsPageViewModel)
             {
-                if (message.PropertyName == nameof(SettingsPageViewModel.IsDynamicCoverOverlayEnabled))
+                if (message.PropertyName == nameof(SettingsPageViewModel.SettingsPageViewModel.IsDynamicCoverOverlayEnabled))
                 {
                     _isDynamicCoverOverlayEnabled = message.NewValue;
                 }
-                else if (message.PropertyName == nameof(SettingsPageViewModel.IsDebugOverlayEnabled))
+                else if (message.PropertyName == nameof(SettingsPageViewModel.SettingsPageViewModel.IsDebugOverlayEnabled))
                 {
                     _isDebugOverlayEnabled = message.NewValue;
                     _isDebugOverlayEnabledChanged = true;
                 }
-                else if (message.PropertyName == nameof(SettingsPageViewModel.IsLyricsGlowEffectEnabled))
+                else if (message.PropertyName == nameof(SettingsPageViewModel.SettingsPageViewModel.IsLyricsGlowEffectEnabled))
                 {
                     _isLyricsGlowEffectEnabled = message.NewValue;
                 }
-                else if (message.PropertyName == nameof(SettingsPageViewModel.IsFanLyricsEnabled))
+                else if (message.PropertyName == nameof(SettingsPageViewModel.SettingsPageViewModel.IsFanLyricsEnabled))
                 {
                     _isFanLyricsEnabled = message.NewValue;
                     _isLayoutChanged = true;
                 }
-                else if (message.PropertyName == nameof(SettingsPageViewModel.IsLyricsFloatAnimationEnabled))
+                else if (message.PropertyName == nameof(SettingsPageViewModel.SettingsPageViewModel.IsLyricsFloatAnimationEnabled))
                 {
                     _isLyricsFloatAnimationEnabled = message.NewValue;
                 }
-                else if (message.PropertyName == nameof(SettingsPageViewModel.IsLibreTranslateEnabled))
+                else if (message.PropertyName == nameof(SettingsPageViewModel.SettingsPageViewModel.IsLibreTranslateEnabled))
                 {
                     _isLibreTranslateEnabled = message.NewValue;
                     UpdateTranslations();
@@ -145,19 +153,19 @@ namespace BetterLyrics.WinUI3.ViewModels
                     UpdateColorConfig();
                 }
             }
-            else if (message.Sender is SettingsPageViewModel)
+            else if (message.Sender is SettingsPageViewModel.SettingsPageViewModel)
             {
-                if (message.PropertyName == nameof(SettingsPageViewModel.LyricsCustomBgFontColor))
+                if (message.PropertyName == nameof(SettingsPageViewModel.SettingsPageViewModel.LyricsCustomBgFontColor))
                 {
                     _customBgFontColor = message.NewValue;
                     UpdateColorConfig();
                 }
-                else if (message.PropertyName == nameof(SettingsPageViewModel.LyricsCustomFgFontColor))
+                else if (message.PropertyName == nameof(SettingsPageViewModel.SettingsPageViewModel.LyricsCustomFgFontColor))
                 {
                     _customFgFontColor = message.NewValue;
                     UpdateColorConfig();
                 }
-                else if (message.PropertyName == nameof(SettingsPageViewModel.LyricsCustomStrokeFontColor))
+                else if (message.PropertyName == nameof(SettingsPageViewModel.SettingsPageViewModel.LyricsCustomStrokeFontColor))
                 {
                     _customStrokeFontColor = message.NewValue;
                     UpdateColorConfig();
@@ -167,9 +175,9 @@ namespace BetterLyrics.WinUI3.ViewModels
 
         public void Receive(PropertyChangedMessage<float> message)
         {
-            if (message.Sender is SettingsPageViewModel)
+            if (message.Sender is SettingsPageViewModel.SettingsPageViewModel)
             {
-                if (message.PropertyName == nameof(SettingsPageViewModel.LyricsLineSpacingFactor))
+                if (message.PropertyName == nameof(SettingsPageViewModel.SettingsPageViewModel.LyricsLineSpacingFactor))
                 {
                     _lyricsLineSpacingFactor = message.NewValue;
                     _isLayoutChanged = true;
@@ -179,94 +187,83 @@ namespace BetterLyrics.WinUI3.ViewModels
 
         public void Receive(PropertyChangedMessage<int> message)
         {
-            if (message.Sender is SettingsPageViewModel)
+            if (message.Sender is SettingsPageViewModel.SettingsPageViewModel)
             {
-                if (message.PropertyName == nameof(SettingsPageViewModel.CoverImageRadius))
+                if (message.PropertyName == nameof(SettingsPageViewModel.SettingsPageViewModel.CoverImageRadius))
                 {
                     _albumArtCornerRadius = message.NewValue;
                     _isAlbumArtCornerRadiusChanged = true;
                 }
-                else if (message.PropertyName == nameof(SettingsPageViewModel.CoverOverlayOpacity))
+                else if (message.PropertyName == nameof(SettingsPageViewModel.SettingsPageViewModel.CoverOverlayOpacity))
                 {
                     _albumArtBgOpacity = message.NewValue;
                 }
-                else if (message.PropertyName == nameof(SettingsPageViewModel.CoverOverlayBlurAmount))
+                else if (message.PropertyName == nameof(SettingsPageViewModel.SettingsPageViewModel.CoverOverlayBlurAmount))
                 {
                     _albumArtBgBlurAmount = message.NewValue;
                 }
-                else if (message.PropertyName == nameof(SettingsPageViewModel.CoverAcrylicEffectAmount))
+                else if (message.PropertyName == nameof(SettingsPageViewModel.SettingsPageViewModel.CoverAcrylicEffectAmount))
                 {
                     _coverAcrylicEffectAmount = message.NewValue;
                     _isCoverAcrylicEffectAmountChanged = true;
                 }
-                else if (message.PropertyName == nameof(SettingsPageViewModel.LyricsVerticalEdgeOpacity))
+                else if (message.PropertyName == nameof(SettingsPageViewModel.SettingsPageViewModel.LyricsVerticalEdgeOpacity))
                 {
                     _lyricsVerticalEdgeOpacity = message.NewValue;
                     _isLayoutChanged = true;
                 }
-                else if (message.PropertyName == nameof(SettingsPageViewModel.LyricsBlurAmount))
+                else if (message.PropertyName == nameof(SettingsPageViewModel.SettingsPageViewModel.LyricsBlurAmount))
                 {
                     _lyricsBlurAmount = message.NewValue;
                     _isLayoutChanged = true;
                 }
-                else if (message.PropertyName == nameof(SettingsPageViewModel.LyricsStandardFontSize))
+                else if (message.PropertyName == nameof(SettingsPageViewModel.SettingsPageViewModel.LyricsStandardFontSize))
                 {
                     _lyricsStandardFontSize = message.NewValue;
                     _isLayoutChanged = true;
                 }
-                else if (message.PropertyName == nameof(SettingsPageViewModel.LyricsDockFontSize))
+                else if (message.PropertyName == nameof(SettingsPageViewModel.SettingsPageViewModel.LyricsDockFontSize))
                 {
                     _lyricsDockFontSize = message.NewValue;
                     _isLayoutChanged = true;
                 }
-                else if (message.PropertyName == nameof(SettingsPageViewModel.LyricsDesktopFontSize))
+                else if (message.PropertyName == nameof(SettingsPageViewModel.SettingsPageViewModel.LyricsDesktopFontSize))
                 {
                     _lyricsDesktopFontSize = message.NewValue;
                     _isLayoutChanged = true;
                 }
-                else if (message.PropertyName == nameof(SettingsPageViewModel.SelectedTargetLanguageIndex))
+                else if (message.PropertyName == nameof(SettingsPageViewModel.SettingsPageViewModel.SelectedTargetLanguageIndex))
                 {
                     _targetLanguageIndex = message.NewValue;
                     _logger.LogInformation("Target language index changed: {Index}", _targetLanguageIndex);
                     UpdateTranslations();
                 }
-                else if (message.PropertyName == nameof(SettingsPageViewModel.LyricsFontStrokeWidth))
+                else if (message.PropertyName == nameof(SettingsPageViewModel.SettingsPageViewModel.LyricsFontStrokeWidth))
                 {
                     _lyricsFontStrokeWidth = message.NewValue;
                     _isLayoutChanged = true;
                 }
-                else if (message.PropertyName == nameof(SettingsPageViewModel.LyricsScrollDuration))
+                else if (message.PropertyName == nameof(SettingsPageViewModel.SettingsPageViewModel.LyricsScrollDuration))
                 {
                     _canvasYScrollTransition.SetDuration(message.NewValue / 1000f);
                 }
-                else if (message.PropertyName == nameof(SettingsPageViewModel.TimelineSyncThreshold))
-                {
-                    _timelineSyncThreshold = message.NewValue;
-                }
-                else if (message.PropertyName == nameof(SettingsPageViewModel.LyricsBgFontOpacity))
+                else if (message.PropertyName == nameof(SettingsPageViewModel.SettingsPageViewModel.LyricsBgFontOpacity))
                 {
                     _defaultOpacity = message.NewValue / 100f;
                     _isLayoutChanged = true;
                 }
             }
-            else if (message.Sender is LyricsPageViewModel)
-            {
-                if (message.PropertyName == nameof(LyricsPageViewModel.PositionOffset))
-                {
-                    _positionOffset = TimeSpan.FromMilliseconds(message.NewValue);
-                }
-            }
         }
 
         public void Receive(PropertyChangedMessage<LineRenderingType> message)
         {
-            if (message.Sender is SettingsPageViewModel)
+            if (message.Sender is SettingsPageViewModel.SettingsPageViewModel)
             {
-                if (message.PropertyName == nameof(SettingsPageViewModel.LyricsGlowEffectScope))
+                if (message.PropertyName == nameof(SettingsPageViewModel.SettingsPageViewModel.LyricsGlowEffectScope))
                 {
                     _lyricsGlowEffectScope = message.NewValue;
                 }
-                else if (message.PropertyName == nameof(SettingsPageViewModel.LyricsHighlightScope))
+                else if (message.PropertyName == nameof(SettingsPageViewModel.SettingsPageViewModel.LyricsHighlightScope))
                 {
                     _lyricsHighlightScope = message.NewValue;
                 }
@@ -275,14 +272,14 @@ namespace BetterLyrics.WinUI3.ViewModels
 
         public void Receive(PropertyChangedMessage<TextAlignmentType> message)
         {
-            if (message.Sender is SettingsPageViewModel)
+            if (message.Sender is SettingsPageViewModel.SettingsPageViewModel)
             {
-                if (message.PropertyName == nameof(SettingsPageViewModel.LyricsAlignmentType))
+                if (message.PropertyName == nameof(SettingsPageViewModel.SettingsPageViewModel.LyricsAlignmentType))
                 {
                     _lyricsAlignmentType = message.NewValue;
                     _isLayoutChanged = true;
                 }
-                else if (message.PropertyName == nameof(SettingsPageViewModel.SongInfoAlignmentType))
+                else if (message.PropertyName == nameof(SettingsPageViewModel.SettingsPageViewModel.SongInfoAlignmentType))
                 {
                     _titleTextFormat.HorizontalAlignment = _artistTextFormat.HorizontalAlignment =
                         message.NewValue.ToCanvasHorizontalAlignment();
@@ -297,19 +294,19 @@ namespace BetterLyrics.WinUI3.ViewModels
 
         public void Receive(PropertyChangedMessage<LyricsFontColorType> message)
         {
-            if (message.Sender is SettingsPageViewModel)
+            if (message.Sender is SettingsPageViewModel.SettingsPageViewModel)
             {
-                if (message.PropertyName == nameof(SettingsPageViewModel.LyricsBgFontColorType))
+                if (message.PropertyName == nameof(SettingsPageViewModel.SettingsPageViewModel.LyricsBgFontColorType))
                 {
                     _lyricsBgFontColorType = message.NewValue;
                     UpdateColorConfig();
                 }
-                else if (message.PropertyName == nameof(SettingsPageViewModel.LyricsFgFontColorType))
+                else if (message.PropertyName == nameof(SettingsPageViewModel.SettingsPageViewModel.LyricsFgFontColorType))
                 {
                     _lyricsFgFontColorType = message.NewValue;
                     UpdateColorConfig();
                 }
-                else if (message.PropertyName == nameof(SettingsPageViewModel.LyricsStrokeFontColorType))
+                else if (message.PropertyName == nameof(SettingsPageViewModel.SettingsPageViewModel.LyricsStrokeFontColorType))
                 {
                     _lyricsStrokeFontColorType = message.NewValue;
                     UpdateColorConfig();
@@ -319,9 +316,9 @@ namespace BetterLyrics.WinUI3.ViewModels
 
         public void Receive(PropertyChangedMessage<LyricsFontWeight> message)
         {
-            if (message.Sender is SettingsPageViewModel)
+            if (message.Sender is SettingsPageViewModel.SettingsPageViewModel)
             {
-                if (message.PropertyName == nameof(SettingsPageViewModel.LyricsFontWeight))
+                if (message.PropertyName == nameof(SettingsPageViewModel.SettingsPageViewModel.LyricsFontWeight))
                 {
                     _lyricsTextFormat.FontWeight = message.NewValue.ToFontWeight();
                     _isLayoutChanged = true;
@@ -331,9 +328,9 @@ namespace BetterLyrics.WinUI3.ViewModels
 
         public void Receive(PropertyChangedMessage<ElementTheme> message)
         {
-            if (message.Sender is SettingsPageViewModel)
+            if (message.Sender is SettingsPageViewModel.SettingsPageViewModel)
             {
-                if (message.PropertyName == nameof(SettingsPageViewModel.LyricsBackgroundTheme))
+                if (message.PropertyName == nameof(SettingsPageViewModel.SettingsPageViewModel.LyricsBackgroundTheme))
                 {
                     _lyricsBgTheme = message.NewValue;
                     UpdateColorConfig();
@@ -343,9 +340,9 @@ namespace BetterLyrics.WinUI3.ViewModels
 
         public void Receive(PropertyChangedMessage<EasingType> message)
         {
-            if (message.Sender is SettingsPageViewModel)
+            if (message.Sender is SettingsPageViewModel.SettingsPageViewModel)
             {
-                if (message.PropertyName == nameof(SettingsPageViewModel.LyricsScrollEasingType))
+                if (message.PropertyName == nameof(SettingsPageViewModel.SettingsPageViewModel.LyricsScrollEasingType))
                 {
                     _canvasYScrollTransition.SetEasingType(message.NewValue);
                 }
@@ -354,13 +351,29 @@ namespace BetterLyrics.WinUI3.ViewModels
 
         public void Receive(PropertyChangedMessage<string> message)
         {
-            if (message.Sender is SettingsPageViewModel)
+            if (message.Sender is SettingsPageViewModel.SettingsPageViewModel)
             {
-                if (message.PropertyName == nameof(SettingsPageViewModel.LyricsFontFamily))
+                if (message.PropertyName == nameof(SettingsPageViewModel.SettingsPageViewModel.LyricsFontFamily))
                 {
                     _lyricsTextFormat.FontFamily = _artistTextFormat.FontFamily = _titleTextFormat.FontFamily = message.NewValue;
                     _isLayoutChanged = true;
                 }
+                else if (message.PropertyName == nameof(SettingsPageViewModel.SettingsPageViewModel.LyricsTranslationSeparator))
+                {
+                    _lyricsTranslationSeparator = message.NewValue;
+                    UpdateTranslations();
+                }
+            }
+        }
+
+        public void Receive(PropertyChangedMessage<DockPlacement> message)
+        {
+            if (message.Sender is SettingsPageViewModel.SettingsPageViewModel)
+            {
+                if (message.PropertyName == nameof(SettingsPageViewModel.SettingsPageViewModel.DockPlacement))
+                {
+                    _dockPlacement = message.NewValue;
+                }
             }
         }
     }

BetterLyrics.WinUI3/BetterLyrics.WinUI3/ViewModels/LyricsRendererViewModel/LyricsRendererViewModel.Transition.cs

@@ -8,7 +8,7 @@ using System.Text;
 using System.Threading.Tasks;
 using Windows.UI;
 
-namespace BetterLyrics.WinUI3.ViewModels
+namespace BetterLyrics.WinUI3.ViewModels.LyricsRendererViewModel
 {
     public partial class LyricsRendererViewModel
     {

BetterLyrics.WinUI3/BetterLyrics.WinUI3/ViewModels/LyricsRendererViewModel/LyricsRendererViewModel.Update.cs

@@ -7,6 +7,7 @@ using Microsoft.Graphics.Canvas.UI.Xaml;
 using Microsoft.UI;
 using Microsoft.UI.Xaml;
 using Microsoft.UI.Xaml.Controls;
+using Microsoft.UI.Xaml.Media.Imaging;
 using System;
 using System.Collections.Generic;
 using System.Diagnostics;
@@ -16,7 +17,7 @@ using System.Threading.Tasks;
 using Windows.Graphics.Imaging;
 using Windows.UI;
 
-namespace BetterLyrics.WinUI3.ViewModels
+namespace BetterLyrics.WinUI3.ViewModels.LyricsRendererViewModel
 {
     public partial class LyricsRendererViewModel
     {
@@ -43,6 +44,12 @@ namespace BetterLyrics.WinUI3.ViewModels
             if (_isPlaying)
             {
                 TotalTime += _elapsedTime;
+                _totalPlayingTime += _elapsedTime;
+                if (_isLastFMTrackEnabled && !_isLastFMTracked && SongInfo?.Duration != null && SongInfo.Duration > 0 && _totalPlayingTime.TotalSeconds >= SongInfo.Duration * 0.5)
+                {
+                    _isLastFMTracked = true;
+                    _lastFMService.TrackAsync(SongInfo);
+                }
             }
 
             var playingLineIndex = GetCurrentPlayingLineIndex();
@@ -292,7 +299,7 @@ namespace BetterLyrics.WinUI3.ViewModels
                 line.Position = new Vector2(0, y);
                 line.UpdateTextLayout(control, _lyricsTextFormat, _maxLyricsWidth, _canvasHeight, _isDockMode ? TextAlignmentType.Center : _lyricsAlignmentType);
                 line.UpdateCenterPosition(_maxLyricsWidth, _isDockMode ? TextAlignmentType.Center : _lyricsAlignmentType);
-                
+
                 //line.UpdateTextGeometry();
                 //line.UpdateFontEffect(control, _isDesktopMode, _strokeFontColor, _lyricsFontStrokeWidth, _bgFontColor);
 
@@ -579,7 +586,7 @@ namespace BetterLyrics.WinUI3.ViewModels
         {
             if (_coverAcrylicEffectAmount > 0)
             {
-                var ret = NoiseOverlayHelper.GenerateNoiseBitmapBGRA((int)_canvasWidth, (int)_canvasHeight);
+                var ret = ImageHelper.GenerateNoiseBGRA((int)_canvasWidth, (int)_canvasHeight);
                 _coverAcrylicNoiseCanvasBitmap?.Dispose();
                 _coverAcrylicNoiseCanvasBitmap = null;
                 _coverAcrylicNoiseCanvasBitmap = CanvasBitmap.CreateFromBytes(
@@ -591,5 +598,27 @@ namespace BetterLyrics.WinUI3.ViewModels
                 );
             }
         }
+
+        private MediaSourceProviderInfo? GetCurrentMediaSourceProviderInfo()
+        {
+            return _mediaSourceProvidersInfo.Where(x => x.Provider == SongInfo?.SourceAppUserModelId)?.FirstOrDefault();
+        }
+
+        private void UpdateTimelineSyncThreshold()
+        {
+            _timelineSyncThreshold = GetCurrentMediaSourceProviderInfo()?.TimelineSyncThreshold ?? 0;
+        }
+
+        private void UpdatePositionOffset()
+        {
+            var current = GetCurrentMediaSourceProviderInfo();
+            _positionOffset = TimeSpan.FromMilliseconds(current?.PositionOffset ?? 0);
+        }
+
+        private void UpdateIsLastFMTrackEnabled()
+        {
+            var current = GetCurrentMediaSourceProviderInfo();
+            _isLastFMTrackEnabled = current?.IsLastFMTrackEnabled ?? false;
+        }
     }
 }

BetterLyrics.WinUI3/BetterLyrics.WinUI3/ViewModels/LyricsRendererViewModel/LyricsRendererViewModel.cs

@@ -5,7 +5,13 @@ using BetterLyrics.WinUI3.Events;
 using BetterLyrics.WinUI3.Helper;
 using BetterLyrics.WinUI3.Models;
 using BetterLyrics.WinUI3.Services;
+using BetterLyrics.WinUI3.Services.LastFMService;
+using BetterLyrics.WinUI3.Services.LibWatcherService;
+using BetterLyrics.WinUI3.Services.LyricsSearchService;
+using BetterLyrics.WinUI3.Services.MediaSessionsService;
+using BetterLyrics.WinUI3.Services.TranslateService;
 using CommunityToolkit.Mvvm.ComponentModel;
+using CommunityToolkit.WinUI;
 using Microsoft.Extensions.Logging;
 using Microsoft.Graphics.Canvas;
 using Microsoft.Graphics.Canvas.Text;
@@ -21,10 +27,14 @@ using System.Threading.Tasks;
 using Windows.Graphics.Imaging;
 using Windows.UI;
 
-namespace BetterLyrics.WinUI3.ViewModels
+namespace BetterLyrics.WinUI3.ViewModels.LyricsRendererViewModel
 {
     public partial class LyricsRendererViewModel : BaseViewModel
     {
+        private bool _isLastFMTrackEnabled = false;
+        private bool _isLastFMTracked = false;
+        private TimeSpan _totalPlayingTime = TimeSpan.Zero;
+
         private TimeSpan _elapsedTime = TimeSpan.Zero;
 
         [ObservableProperty]
@@ -100,8 +110,9 @@ namespace BetterLyrics.WinUI3.ViewModels
 
         private readonly ILyricsSearchService _lyrcsSearchService;
         private readonly ILibWatcherService _libWatcherService;
-        private readonly IPlaybackService _playbackService;
+        private readonly IMediaSessionsService _mediaSessionsService;
         private readonly ITranslateService _translateService;
+        private readonly ILastFMService _lastFMService;
         private readonly ILogger _logger;
 
         private readonly float _leftMargin = 36f;
@@ -110,6 +121,8 @@ namespace BetterLyrics.WinUI3.ViewModels
         private readonly float _topMargin = 36f;
         private readonly float _bottomMargin = 36f;
 
+        private DockPlacement _dockPlacement;
+
         private Color _adaptiveGrayedFontColor = Colors.Transparent;
         private Color? _adaptiveColoredFontColor = null;
 
@@ -157,8 +170,10 @@ namespace BetterLyrics.WinUI3.ViewModels
         private bool _showTranslationOnly;
         private int _targetLanguageIndex;
         private bool _isLibreTranslateEnabled;
+        private string _lyricsTranslationSeparator;
 
-        private int _timelineSyncThreshold;
+        private List<MediaSourceProviderInfo> _mediaSourceProvidersInfo;
+        private int _timelineSyncThreshold = 0;
 
         private CanvasTextFormat _lyricsTextFormat = new()
         {
@@ -357,6 +372,11 @@ namespace BetterLyrics.WinUI3.ViewModels
             if (Math.Abs(TotalTime.TotalMilliseconds - e.Position.TotalMilliseconds) >= _timelineSyncThreshold)
             {
                 TotalTime = e.Position;
+                if (TotalTime.TotalSeconds <= 1)
+                {
+                    _totalPlayingTime = TimeSpan.Zero;
+                    _isLastFMTracked = false;
+                }
             }
         }
 
@@ -364,6 +384,10 @@ namespace BetterLyrics.WinUI3.ViewModels
         {
             SongInfo = e.SongInfo;
 
+            UpdateTimelineSyncThreshold();
+            UpdatePositionOffset();
+            UpdateIsLastFMTrackEnabled();
+
             if (SongInfo?.Title != _songTitle || SongInfo?.Artist != _songArtist)
             {
                 _lastSongTitle = _songTitle;
@@ -383,6 +407,10 @@ namespace BetterLyrics.WinUI3.ViewModels
                     await RefreshLyricsAsync(token);
                 });
                 TotalTime = TimeSpan.Zero;
+
+                // 处理 Last.fm 追踪
+                _totalPlayingTime = TimeSpan.Zero;
+                _isLastFMTracked = false;
             }
         }
 
@@ -459,7 +487,7 @@ namespace BetterLyrics.WinUI3.ViewModels
                     }
                     else
                     {
-                        _lyricsDataArr[0].SetDisplayedTextAlongWith(_lyricsDataArr[found], 50);
+                        _lyricsDataArr[0].SetDisplayedTextAlongWith(_lyricsDataArr[found], _lyricsTranslationSeparator, 50);
                         _langIndex = 0;
                     }
                     TranslationSearchProvider = LyricsSearchProvider.ToTranslationSearchProvider();
@@ -480,7 +508,7 @@ namespace BetterLyrics.WinUI3.ViewModels
                         }
                         else
                         {
-                            _lyricsDataArr[0].SetDisplayedTextAlongWith(translated);
+                            _lyricsDataArr[0].SetDisplayedTextAlongWith(translated, _lyricsTranslationSeparator);
                             _langIndex = 0;
                         }
                         TranslationSearchProvider = Enums.TranslationSearchProvider.LibreTranslate;
@@ -508,6 +536,7 @@ namespace BetterLyrics.WinUI3.ViewModels
             if (SongInfo != null)
             {
                 (lyricsRaw, lyricsSearchProvider) = await _lyrcsSearchService.SearchAsync(
+                    SongInfo.SourceAppUserModelId ?? "",
                     SongInfo.Title,
                     SongInfo.Artist,
                     SongInfo.Album ?? "",

BetterLyrics.WinUI3/BetterLyrics.WinUI3/ViewModels/LyricsWindowViewModel.cs

@@ -3,8 +3,11 @@
 using BetterLyrics.WinUI3.Enums;
 using BetterLyrics.WinUI3.Helper;
 using BetterLyrics.WinUI3.Models;
-using BetterLyrics.WinUI3.Services;
+using BetterLyrics.WinUI3.Services.MediaSessionsService;
+using BetterLyrics.WinUI3.Services.SettingsService;
 using BetterLyrics.WinUI3.ViewModels;
+using BetterLyrics.WinUI3.ViewModels.LyricsRendererViewModel;
+using BetterLyrics.WinUI3.ViewModels.SettingsPageViewModel;
 using BetterLyrics.WinUI3.Views;
 using CommunityToolkit.Mvvm.ComponentModel;
 using CommunityToolkit.Mvvm.DependencyInjection;
@@ -17,6 +20,7 @@ using Microsoft.UI.Windowing;
 using Microsoft.UI.Xaml;
 using System;
 using System.Diagnostics;
+using System.Linq;
 using System.Threading.Tasks;
 using Vanara.PInvoke;
 using Windows.System;
@@ -34,7 +38,7 @@ namespace BetterLyrics.WinUI3
             IRecipient<PropertyChangedMessage<ElementTheme>>,
             IRecipient<PropertyChangedMessage<DockPlacement>>
     {
-        private readonly IPlaybackService _playbackService = Ioc.Default.GetRequiredService<IPlaybackService>();
+        private readonly IMediaSessionsService _mediaSessionsService = Ioc.Default.GetRequiredService<IMediaSessionsService>();
         private ForegroundWindowWatcher? _windowWatcher = null;
         private bool _ignoreFullscreenWindow;
         private bool _hideWindowWhenNotPlaying;
@@ -53,7 +57,7 @@ namespace BetterLyrics.WinUI3
             _dockWindowHeight = _settingsService.DockWindowHeight;
             OnIsImmersiveModeChanged(_settingsService.IsImmersiveMode);
 
-            _playbackService.IsPlayingChanged += PlaybackService_IsPlayingChanged;
+            _mediaSessionsService.IsPlayingChanged += PlaybackService_IsPlayingChanged;
         }
 
         private void PlaybackService_IsPlayingChanged(object? sender, Events.IsPlayingChangedEventArgs e)
@@ -106,7 +110,7 @@ namespace BetterLyrics.WinUI3
 
             if (IsDockMode || IsDesktopMode)
             {
-                if (_hideWindowWhenNotPlaying && !_playbackService.IsPlaying)
+                if (_hideWindowWhenNotPlaying && !_mediaSessionsService.IsPlaying)
                 {
                     if (IsDockMode)
                     {
@@ -222,16 +226,16 @@ namespace BetterLyrics.WinUI3
             var hwnd = WindowNative.GetWindowHandle(window);
             _windowWatcher = new ForegroundWindowWatcher(
                 hwnd,
-                onWindowChanged =>
+                fgHwnd =>
                 {
                     _dispatcherQueueTimer.Debounce(() =>
                     {
-                        if (_ignoreFullscreenWindow && window.AppWindow.Presenter is OverlappedPresenter presenter)
+                        if ((IsDockMode || IsDesktopMode) && _ignoreFullscreenWindow && window.AppWindow.Presenter is OverlappedPresenter presenter)
                         {
                             presenter.IsAlwaysOnTop = true;
                         }
                         UpdateAccentColor(hwnd);
-                    }, TimeSpan.FromMilliseconds(300));
+                    }, Constants.Time.DebounceTimeout);
                 }
             );
             _windowWatcher.Start();

BetterLyrics.WinUI3/BetterLyrics.WinUI3/ViewModels/MusicGalleryViewModel.cs

@@ -3,6 +3,8 @@ using BetterLyrics.WinUI3.Enums;
 using BetterLyrics.WinUI3.Helper;
 using BetterLyrics.WinUI3.Models;
 using BetterLyrics.WinUI3.Services;
+using BetterLyrics.WinUI3.Services.LibWatcherService;
+using BetterLyrics.WinUI3.Services.SettingsService;
 using CommunityToolkit.Mvvm.ComponentModel;
 using CommunityToolkit.Mvvm.Messaging;
 using CommunityToolkit.Mvvm.Messaging.Messages;
@@ -408,9 +410,9 @@ namespace BetterLyrics.WinUI3.ViewModels
 
         public void Receive(PropertyChangedMessage<ObservableCollection<LocalMediaFolder>> message)
         {
-            if (message.Sender is SettingsPageViewModel)
+            if (message.Sender is SettingsPageViewModel.SettingsPageViewModel)
             {
-                if (message.PropertyName == nameof(SettingsPageViewModel.LocalMediaFolders))
+                if (message.PropertyName == nameof(SettingsPageViewModel.SettingsPageViewModel.LocalMediaFolders))
                 {
                     RefreshSongs();
                 }

BetterLyrics.WinUI3/BetterLyrics.WinUI3/ViewModels/SettingsPageViewModel/SettingsPageViewModel.Ctor.cs

@@ -1,27 +1,43 @@
 using BetterLyrics.WinUI3.Helper;
-using BetterLyrics.WinUI3.Services;
+using BetterLyrics.WinUI3.Models;
+using BetterLyrics.WinUI3.Services.LastFMService;
+using BetterLyrics.WinUI3.Services.LibWatcherService;
+using BetterLyrics.WinUI3.Services.MediaSessionsService;
+using BetterLyrics.WinUI3.Services.SettingsService;
+using BetterLyrics.WinUI3.Services.TranslateService;
 using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 
-namespace BetterLyrics.WinUI3.ViewModels
+namespace BetterLyrics.WinUI3.ViewModels.SettingsPageViewModel
 {
     public partial class SettingsPageViewModel
     {
-        public SettingsPageViewModel(ISettingsService settingsService, ILibWatcherService libWatcherService, IPlaybackService playbackService, ITranslateService libreTranslateService) : base(settingsService)
+        public SettingsPageViewModel(
+            ISettingsService settingsService,
+            ILibWatcherService libWatcherService,
+            IMediaSessionsService mediaSessionsService,
+            ITranslateService libreTranslateService,
+            ILastFMService lastFMService) : base(settingsService)
         {
             _libWatcherService = libWatcherService;
-            _playbackService = playbackService;
+            _mediaSessionsService = mediaSessionsService;
             _libreTranslateService = libreTranslateService;
 
+            // LastFM
+            _lastFMService = lastFMService;
+            _lastFMService.UserChanged += LastFMService_UserChanged;
+            _lastFMService.IsAuthenticatedChanged += LastFMService_IsAuthenticatedChanged;
+            IsLastFMAuthenticated = _lastFMService.IsAuthenticated;
+            LastFMUser = _lastFMService.User;
+
             IsLibreTranslateEnabled = _settingsService.IsLibreTranslateEnabled;
             LibreTranslateServer = _settingsService.LibreTranslateServer;
             SelectedTargetLanguageIndex = _settingsService.SelectedTargetLanguageIndex;
 
             LocalMediaFolders = [.. _settingsService.LocalMediaFolders];
-            LyricsSearchProvidersInfo = [.. _settingsService.LyricsSearchProvidersInfo];
             AlbumArtSearchProvidersInfo = [.. _settingsService.AlbumArtSearchProvidersInfo];
 
             Language = _settingsService.Language;
@@ -64,14 +80,14 @@ namespace BetterLyrics.WinUI3.ViewModels
             LyricsFontStrokeWidth = _settingsService.LyricsFontStrokeWidth;
             LyricsBackgroundTheme = _settingsService.LyricsBackgroundTheme;
             MediaSourceProvidersInfo = [.. _settingsService.MediaSourceProvidersInfo];
+            SelectedMediaSourceProvider = MediaSourceProvidersInfo.FirstOrDefault();
+
             IgnoreFullscreenWindow = _settingsService.IgnoreFullscreenWindow;
 
             LyricsScrollEasingType = _settingsService.LyricsScrollEasingType;
             LyricsScrollDuration = _settingsService.LyricsScrollDuration;
-            TimelineSyncThreshold = _settingsService.TimelineSyncThreshold;
 
             IsLyricsFloatAnimationEnabled = _settingsService.IsLyricsFloatAnimationEnabled;
-            ResetPositionOffsetOnSongChanged = _settingsService.ResetPositionOffsetOnSongChanged;
             LockHotKeyIndex = _settingsService.LockHotKeyIndex;
 
             LXMusicServer = _settingsService.LXMusicServer;
@@ -88,7 +104,29 @@ namespace BetterLyrics.WinUI3.ViewModels
             MonitorDeviceNames = [.. MonitorHelper.GetAllMonitorDeviceNames()];
             SelectedDockMonitorDeviceName = _settingsService.DockMonitorDeviceName;
 
-            _playbackService.MediaSourceProvidersInfoChanged += PlaybackService_SessionIdsChanged;
+            LyricsTranslationSeparator = _settingsService.LyricsTranslationSeparator;
+
+            _mediaSessionsService.MediaSourceProvidersInfoChanged += MediaSessionsService_SessionIdsChanged;
+            _mediaSessionsService.SongInfoChanged += MediaSessionsService_SongInfoChanged;
+        }
+
+        private void MediaSessionsService_SongInfoChanged(object? sender, Events.SongInfoChangedEventArgs e)
+        {
+            var current = MediaSourceProvidersInfo.Where(x => x.Provider == e.SongInfo?.SourceAppUserModelId)?.FirstOrDefault();
+            if (_mediaSessionsService.Position.TotalSeconds <= 1 && current?.ResetPositionOffsetOnSongChanged == true)
+            {
+                current.PositionOffset = 0;
+            }
+        }
+
+        private void LastFMService_IsAuthenticatedChanged(object? sender, Events.LastFMIsAuthenticatedChangedEventArgs e)
+        {
+            IsLastFMAuthenticated = e.IsAuthenticated;
+        }
+
+        private void LastFMService_UserChanged(object? sender, Events.LastFMUserChangedEventArgs e)
+        {
+            LastFMUser = e.User;
         }
     }
 }

BetterLyrics.WinUI3/BetterLyrics.WinUI3/ViewModels/SettingsPageViewModel/SettingsPageViewModel.OnPropsChanged.cs

@@ -5,7 +5,7 @@ using Microsoft.UI.Xaml;
 using Windows.Globalization;
 using Windows.UI;
 
-namespace BetterLyrics.WinUI3.ViewModels
+namespace BetterLyrics.WinUI3.ViewModels.SettingsPageViewModel
 {
     public partial class SettingsPageViewModel
     {
@@ -176,18 +176,10 @@ namespace BetterLyrics.WinUI3.ViewModels
         {
             _settingsService.LyricsVerticalEdgeOpacity = value;
         }
-        partial void OnTimelineSyncThresholdChanged(int value)
-        {
-            _settingsService.TimelineSyncThreshold = value;
-        }
         partial void OnIsLyricsFloatAnimationEnabledChanged(bool value)
         {
             _settingsService.IsLyricsFloatAnimationEnabled = value;
         }
-        partial void OnResetPositionOffsetOnSongChangedChanged(bool value)
-        {
-            _settingsService.ResetPositionOffsetOnSongChanged = value;
-        }
         partial void OnLyricsBgFontOpacityChanged(int value)
         {
             _settingsService.LyricsBgFontOpacity = value;
@@ -227,5 +219,9 @@ namespace BetterLyrics.WinUI3.ViewModels
         {
             _settingsService.DockMonitorDeviceName = value;
         }
+        partial void OnLyricsTranslationSeparatorChanged(string value)
+        {
+            _settingsService.LyricsTranslationSeparator = value;
+        }
     }
 }

BetterLyrics.WinUI3/BetterLyrics.WinUI3/ViewModels/SettingsPageViewModel/SettingsPageViewModel.Props.cs

@@ -2,6 +2,7 @@
 using BetterLyrics.WinUI3.Helper;
 using BetterLyrics.WinUI3.Models;
 using CommunityToolkit.Mvvm.ComponentModel;
+using Hqub.Lastfm.Entities;
 using Microsoft.UI.Xaml;
 using System;
 using System.Collections.Generic;
@@ -11,7 +12,7 @@ using System.Text;
 using System.Threading.Tasks;
 using Windows.UI;
 
-namespace BetterLyrics.WinUI3.ViewModels
+namespace BetterLyrics.WinUI3.ViewModels.SettingsPageViewModel
 {
     public partial class SettingsPageViewModel
     {
@@ -87,10 +88,6 @@ namespace BetterLyrics.WinUI3.ViewModels
         [ObservableProperty]
         public partial ObservableCollection<LocalMediaFolder> LocalMediaFolders { get; set; }
 
-        [ObservableProperty]
-        [NotifyPropertyChangedRecipients]
-        public partial ObservableCollection<LyricsSearchProviderInfo> LyricsSearchProvidersInfo { get; set; }
-
         [ObservableProperty]
         [NotifyPropertyChangedRecipients]
         public partial ObservableCollection<AlbumArtSearchProviderInfo> AlbumArtSearchProvidersInfo { get; set; }
@@ -98,6 +95,9 @@ namespace BetterLyrics.WinUI3.ViewModels
         [ObservableProperty]
         public partial ObservableCollection<MediaSourceProviderInfo> MediaSourceProvidersInfo { get; set; }
 
+        [ObservableProperty]
+        public partial MediaSourceProviderInfo? SelectedMediaSourceProvider { get; set; }
+
         [ObservableProperty]
         [NotifyPropertyChangedRecipients]
         public partial bool IsFanLyricsEnabled { get; set; }
@@ -181,10 +181,6 @@ namespace BetterLyrics.WinUI3.ViewModels
         [ObservableProperty]
         public partial object NavViewSelectedItemTag { get; set; } = "App";
 
-        [ObservableProperty]
-        [NotifyPropertyChangedRecipients]
-        public partial bool ResetPositionOffsetOnSongChanged { get; set; }
-
         [ObservableProperty]
         [NotifyPropertyChangedRecipients]
         public partial bool IsLyricsFloatAnimationEnabled { get; set; }
@@ -215,10 +211,6 @@ namespace BetterLyrics.WinUI3.ViewModels
         [NotifyPropertyChangedRecipients]
         public partial int LyricsScrollDuration { get; set; }
 
-        [ObservableProperty]
-        [NotifyPropertyChangedRecipients]
-        public partial int TimelineSyncThreshold { get; set; }
-
         [ObservableProperty]
         public partial bool IsLXMusicServerTesting { get; set; } = false;
 
@@ -234,11 +226,23 @@ namespace BetterLyrics.WinUI3.ViewModels
         [NotifyPropertyChangedRecipients]
         public partial int DockWindowHeight { get; set; }
 
+        // Dock Monitor
         [ObservableProperty]
         [NotifyPropertyChangedRecipients]
         public partial string SelectedDockMonitorDeviceName { get; set; }
 
         [ObservableProperty]
         public partial ObservableCollection<string> MonitorDeviceNames { get; set; }
+
+        // LastFM
+        [ObservableProperty]
+        public partial bool IsLastFMAuthenticated { get; set; }
+
+        [ObservableProperty]
+        public partial User? LastFMUser { get; set; }
+
+        [ObservableProperty]
+        [NotifyPropertyChangedRecipients]
+        public partial string LyricsTranslationSeparator { get; set; }
     }
 }

BetterLyrics.WinUI3/BetterLyrics.WinUI3/ViewModels/SettingsPageViewModel/SettingsPageViewModel.cs

@@ -4,45 +4,45 @@ using BetterLyrics.WinUI3.Enums;
 using BetterLyrics.WinUI3.Helper;
 using BetterLyrics.WinUI3.Models;
 using BetterLyrics.WinUI3.Services;
+using BetterLyrics.WinUI3.Services.LastFMService;
+using BetterLyrics.WinUI3.Services.LibWatcherService;
+using BetterLyrics.WinUI3.Services.MediaSessionsService;
+using BetterLyrics.WinUI3.Services.TranslateService;
 using BetterLyrics.WinUI3.Views;
 using CommunityToolkit.Mvvm.ComponentModel;
 using CommunityToolkit.Mvvm.Input;
+using CommunityToolkit.WinUI;
 using Microsoft.UI.Dispatching;
 using Microsoft.UI.Xaml;
 using Microsoft.UI.Xaml.Controls;
 using System;
-using System.Collections.ObjectModel;
 using System.IO;
 using System.Linq;
 using System.Threading.Tasks;
 using Windows.ApplicationModel;
-using Windows.Globalization;
-using Windows.UI;
 using WinRT.Interop;
-using MetadataHelper = BetterLyrics.WinUI3.Helper.MetadataHelper;
 
-namespace BetterLyrics.WinUI3.ViewModels
+namespace BetterLyrics.WinUI3.ViewModels.SettingsPageViewModel
 {
     public partial class SettingsPageViewModel : BaseViewModel
     {
         private readonly ILibWatcherService _libWatcherService;
-        private readonly IPlaybackService _playbackService;
+        private readonly IMediaSessionsService _mediaSessionsService;
         private readonly ITranslateService _libreTranslateService;
+        private readonly ILastFMService _lastFMService;
 
-        private readonly string _autoStartupTaskId = "AutoStartup";
-
-        private void PlaybackService_SessionIdsChanged(object? sender, Events.MediaSourceProvidersInfoEventArgs e)
+        private void MediaSessionsService_SessionIdsChanged(object? sender, Events.MediaSourceProvidersInfoEventArgs e)
         {
             MediaSourceProvidersInfo = [.. e.MediaSourceProviersInfo];
         }
 
         public void OnLyricsSearchProvidersReordered()
         {
-            _settingsService.LyricsSearchProvidersInfo = [.. LyricsSearchProvidersInfo];
+            _settingsService.MediaSourceProvidersInfo = [.. MediaSourceProvidersInfo];
             Broadcast(
-                LyricsSearchProvidersInfo,
-                LyricsSearchProvidersInfo,
-                nameof(LyricsSearchProvidersInfo)
+                MediaSourceProvidersInfo,
+                MediaSourceProvidersInfo,
+                nameof(MediaSourceProvidersInfo)
             );
         }
 
@@ -70,16 +70,6 @@ namespace BetterLyrics.WinUI3.ViewModels
             Broadcast(LocalMediaFolders, LocalMediaFolders, nameof(LocalMediaFolders));
         }
 
-        public void ToggleLyricsSearchProvider()
-        {
-            _settingsService.LyricsSearchProvidersInfo = [.. LyricsSearchProvidersInfo];
-            Broadcast(
-                LyricsSearchProvidersInfo,
-                LyricsSearchProvidersInfo,
-                nameof(LyricsSearchProvidersInfo)
-            );
-        }
-
         public void ToggleAlbumArtSearchProvider(AlbumArtSearchProviderInfo providerInfo)
         {
             _settingsService.AlbumArtSearchProvidersInfo = [.. AlbumArtSearchProvidersInfo];
@@ -90,13 +80,17 @@ namespace BetterLyrics.WinUI3.ViewModels
             );
         }
 
-        public void ToggleMediaSourceProvider(MediaSourceProviderInfo providerInfo)
+        public void BroadcastMediaSourceProvidersInfoChanged()
         {
-            Broadcast(
-                MediaSourceProvidersInfo,
-                MediaSourceProvidersInfo,
-                nameof(MediaSourceProvidersInfo)
-            );
+            _dispatcherQueueTimer.Debounce(() =>
+            {
+                _settingsService.MediaSourceProvidersInfo = [.. MediaSourceProvidersInfo];
+                Broadcast(
+                    MediaSourceProvidersInfo,
+                    MediaSourceProvidersInfo,
+                    nameof(MediaSourceProvidersInfo)
+                );
+            }, TimeSpan.FromMilliseconds(100));
         }
 
         private void AddFolderAsync(string path)
@@ -130,7 +124,7 @@ namespace BetterLyrics.WinUI3.ViewModels
         [RelayCommand]
         private async Task LaunchProjectGitHubPageAsync()
         {
-            await Windows.System.Launcher.LaunchUriAsync(new Uri(MetadataHelper.GithubUrl));
+            await Windows.System.Launcher.LaunchUriAsync(new Uri(Constants.Link.GithubUrl));
         }
 
         [RelayCommand]
@@ -223,9 +217,27 @@ namespace BetterLyrics.WinUI3.ViewModels
             SelectedDockMonitorDeviceName = MonitorHelper.GetPrimaryMonitorDeviceName();
         }
 
+        [RelayCommand]
+        private async Task LastFMAuthAsync()
+        {
+            await _lastFMService.AuthAsync();
+        }
+
+        [RelayCommand]
+        private async Task LastFMUnAuthAsync()
+        {
+            await _lastFMService.UnAuthAsync();
+        }
+
+        [RelayCommand]
+        private async Task LastFMRefreshAsync()
+        {
+            await _lastFMService.RefreshAsync();
+        }
+
         public async Task<bool> ToggleAutoStartupAsync(bool target)
         {
-            StartupTask startupTask = await StartupTask.GetAsync(_autoStartupTaskId);
+            StartupTask startupTask = await StartupTask.GetAsync(Constants.App.AutoStartupTaskId);
             if (target)
             {
                 await startupTask.RequestEnableAsync();
@@ -240,7 +252,7 @@ namespace BetterLyrics.WinUI3.ViewModels
         public async Task<bool> DetectIsAutoStartupEnabledAsync()
         {
             bool result = false;
-            var startupTask = await StartupTask.GetAsync(_autoStartupTaskId);
+            var startupTask = await StartupTask.GetAsync(Constants.App.AutoStartupTaskId);
             switch (startupTask.State)
             {
                 case StartupTaskState.Disabled:

BetterLyrics.WinUI3/BetterLyrics.WinUI3/ViewModels/SettingsWindowViewModel.cs

@@ -1,4 +1,4 @@
-using BetterLyrics.WinUI3.Services;
+using BetterLyrics.WinUI3.Services.SettingsService;
 
 namespace BetterLyrics.WinUI3.ViewModels
 {

BetterLyrics.WinUI3/BetterLyrics.WinUI3/ViewModels/SystemTrayViewModel.cs

@@ -1,5 +1,5 @@
 using BetterLyrics.WinUI3.Helper;
-using BetterLyrics.WinUI3.Services;
+using BetterLyrics.WinUI3.Services.SettingsService;
 using BetterLyrics.WinUI3.Views;
 using CommunityToolkit.Mvvm.ComponentModel;
 using CommunityToolkit.Mvvm.Input;
@@ -18,7 +18,7 @@ namespace BetterLyrics.WinUI3.ViewModels
         public partial bool IsLyricsWindowLocked { get; set; } = false;
 
         [ObservableProperty]
-        public partial string ToolTipText { get; set; } = MetadataHelper.AppName;
+        public partial string ToolTipText { get; set; } = Constants.App.AppName;
 
         public void Receive(PropertyChangedMessage<bool> message)
         {

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Views/LyricsPage.xaml

@@ -79,52 +79,6 @@
                             <TextBlock Text="{Binding ElementName=TimelineSlider, Path=Maximum, Converter={StaticResource SecondsToFormattedTimeConverter}}" />
                         </StackPanel>
 
-                        <!--  Position offset  -->
-                        <Button Click="TimelineOffsetButton_Click" Style="{StaticResource GhostButtonStyle}">
-                            <FontIcon
-                                FontFamily="{StaticResource IconFontFamily}"
-                                Glyph="&#xECE7;"
-                                RenderTransformOrigin="0.5,0.5">
-                                <FontIcon.RenderTransform>
-                                    <RotateTransform Angle="90" CenterX="0.5" CenterY="0.5" />
-                                </FontIcon.RenderTransform>
-                            </FontIcon>
-                            <ToolTipService.ToolTip>
-                                <ToolTip x:Name="TimelineOffsetToolTip" x:Uid="LyricsPageTimelineOffsetButtonToolTip" />
-                            </ToolTipService.ToolTip>
-                            <Button.ContextFlyout>
-                                <Flyout x:Name="TimelineOffsetFlyout" ShouldConstrainToRootBounds="False">
-                                    <StackPanel>
-                                        <Slider
-                                            x:Uid="MainPagePositionOffsetSlider"
-                                            Maximum="5000"
-                                            Minimum="-5000"
-                                            SnapsTo="Ticks"
-                                            StepFrequency="100"
-                                            TickFrequency="100"
-                                            TickPlacement="Outside"
-                                            Value="{x:Bind ViewModel.PositionOffset, Mode=TwoWay}" />
-                                        <RelativePanel>
-                                            <TextBlock
-                                                RelativePanel.AlignLeftWithPanel="True"
-                                                RelativePanel.AlignVerticalCenterWithPanel="True"
-                                                Text="{x:Bind ViewModel.PositionOffset, Mode=OneWay}" />
-                                            <Button
-                                                Click="PositionOffsetResetButton_Click"
-                                                Content="{ui:FontIcon FontFamily={StaticResource IconFontFamily},
-                                                                      Glyph=&#xE777;}"
-                                                RelativePanel.AlignRightWithPanel="True"
-                                                RelativePanel.AlignVerticalCenterWithPanel="True"
-                                                Style="{StaticResource GhostButtonStyle}" />
-                                        </RelativePanel>
-                                        <CheckBox IsChecked="{x:Bind ViewModel.ResetPositionOffsetOnSongChanged, Mode=TwoWay}">
-                                            <TextBlock x:Uid="LyricsPagePositionOffsetHint" />
-                                        </CheckBox>
-                                    </StackPanel>
-                                </Flyout>
-                            </Button.ContextFlyout>
-                        </Button>
-
                     </StackPanel>
                 </Grid>
 

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Views/LyricsPage.xaml.cs

@@ -1,7 +1,8 @@
 // 2025/6/23 by Zhe Fang
 
 using BetterLyrics.WinUI3.Enums;
-using BetterLyrics.WinUI3.Services;
+using BetterLyrics.WinUI3.Services.MediaSessionsService;
+using BetterLyrics.WinUI3.Services.SettingsService;
 using BetterLyrics.WinUI3.ViewModels;
 using CommunityToolkit.Mvvm.DependencyInjection;
 using Microsoft.UI.Xaml;
@@ -16,7 +17,7 @@ namespace BetterLyrics.WinUI3.Views
     public sealed partial class LyricsPage : Page
     {
         private readonly ISettingsService _settingsService = Ioc.Default.GetRequiredService<ISettingsService>();
-        private readonly IPlaybackService _playbackService = Ioc.Default.GetRequiredService<IPlaybackService>();
+        private readonly IMediaSessionsService _mediaSessionsService = Ioc.Default.GetRequiredService<IMediaSessionsService>();
 
         public LyricsPageViewModel ViewModel => (LyricsPageViewModel)DataContext;
 
@@ -50,11 +51,6 @@ namespace BetterLyrics.WinUI3.Views
             _settingsService.DisplayType = ViewModel.DisplayType;
         }
 
-        private void PositionOffsetResetButton_Click(object sender, RoutedEventArgs e)
-        {
-            ViewModel.PositionOffset = 0;
-        }
-
         private void BottomCommandGrid_PointerEntered(object sender, Microsoft.UI.Xaml.Input.PointerRoutedEventArgs e)
         {
             if (ViewModel.IsImmersiveMode && BottomCommandGrid.Children.Count != 0)
@@ -78,11 +74,6 @@ namespace BetterLyrics.WinUI3.Views
             DisplayTypeSwitchFlyout.ShowAt(BottomRightCommandStackPanel);
         }
 
-        private void TimelineOffsetButton_Click(object sender, RoutedEventArgs e)
-        {
-            TimelineOffsetFlyout.ShowAt(BottomLeftCommandStackPanel);
-        }
-
         private void TranslationButton_Click(object sender, RoutedEventArgs e)
         {
             TranslationFlyout.ShowAt(BottomRightCommandStackPanel);
@@ -142,7 +133,7 @@ namespace BetterLyrics.WinUI3.Views
 
         private void TimelineSliderOverlay_Tapped(object sender, Microsoft.UI.Xaml.Input.TappedRoutedEventArgs e)
         {
-            _playbackService.ChangePosition(TimelineSlider.Value);
+            _mediaSessionsService.ChangePosition(TimelineSlider.Value);
         }
     }
 }

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Views/LyricsWindow.xaml

@@ -123,6 +123,9 @@
                         Command="{x:Bind ViewModel.ImmersiveToggleButtonEnabledChangedCommand}"
                         IsChecked="{x:Bind ViewModel.IsImmersiveMode, Mode=TwoWay}"
                         Style="{StaticResource TitleBarToggleButtonStyle}">
+                        <ToolTipService.ToolTip>
+                            <ToolTip x:Uid="LyricsWindowImmersiveButtonToolTip" />
+                        </ToolTipService.ToolTip>
                         <FontIcon
                             FontFamily="{StaticResource IconFontFamily}"
                             FontSize="{x:Bind ViewModel.TitleBarFontSize}"

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Views/LyricsWindow.xaml.cs

@@ -2,7 +2,7 @@
 
 using BetterLyrics.WinUI3.Enums;
 using BetterLyrics.WinUI3.Helper;
-using BetterLyrics.WinUI3.Services;
+using BetterLyrics.WinUI3.Services.SettingsService;
 using CommunityToolkit.Mvvm.DependencyInjection;
 using Microsoft.UI.Windowing;
 using Microsoft.UI.Xaml;

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Views/MusicGalleryPage.xaml

@@ -160,6 +160,7 @@
                             x:Name="SelectAllToggleButton"
                             x:Uid="MusicGalleryPageSelectAll"
                             Click="SelectAllToggleButton_Click" />
+                        <Button x:Uid="MusicGalleryPagePlayAll" Click="PlayAllButton_Click" />
                         <Button x:Uid="MusicGalleryPageAddToPlayingQueue">
                             <Button.Flyout>
                                 <MenuFlyout>

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Views/MusicGalleryPage.xaml.cs

@@ -167,5 +167,15 @@ namespace BetterLyrics.WinUI3.Views
             ViewModel.SelectedSongsTabInfoIndex = 0;
             ViewModel.ApplyPlaylist();
         }
+
+        private void PlayAllButton_Click(object sender, RoutedEventArgs e)
+        {
+            ViewModel.TrackPlayingQueue.Clear();
+            ViewModel.PlayingSongIndex = -1;
+
+            ViewModel.TrackPlayingQueue.InsertRange(ViewModel.PlayingSongIndex + 1, SongListView.Items.Cast<Track>().Select(x => new PlayQueueItem(x)));
+            ViewModel.PlayingSongIndex = ViewModel.PlayingSongIndex + 1;
+            ViewModel.PlayTrackAt(ViewModel.PlayingSongIndex);
+        }
     }
 }

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Views/SettingsPage.xaml

@@ -23,62 +23,73 @@
             IsSettingsVisible="False"
             SelectionChanged="NavView_SelectionChanged">
             <NavigationView.MenuItems>
+
                 <NavigationViewItem
                     x:Uid="SettingsPageApp"
                     Icon="{ui:FontIcon FontFamily={StaticResource IconFontFamily},
                                        Glyph=&#xECAA;}"
                     IsSelected="True"
                     Tag="App" />
+
                 <NavigationViewItem
                     x:Uid="SettingsPageAlbumStyle"
                     Icon="{ui:FontIcon FontFamily={StaticResource IconFontFamily},
                                        Glyph=&#xE93C;}"
                     Tag="AlbumArtStyle" />
+
                 <NavigationViewItem
                     x:Uid="SettingsPageMediaLib"
                     Icon="{ui:FontIcon FontFamily={StaticResource IconFontFamily},
                                        Glyph=&#xE8B7;}"
                     Tag="MediaLib" />
+
                 <NavigationViewItem
                     x:Uid="SettingsPageAlbumLib"
                     Icon="{ui:FontIcon FontFamily={StaticResource IconFontFamily},
                                        Glyph=&#xE7FA;}"
                     Tag="AlbumArtLib" />
+
                 <NavigationViewItem
                     x:Uid="SettingsPagePlaybackLib"
                     Icon="{ui:FontIcon FontFamily={StaticResource IconFontFamily},
                                        Glyph=&#xEA69;}"
                     Tag="PlaybackLib" />
-                <NavigationViewItem
-                    x:Uid="SettingsPageLyricsLib"
-                    Icon="{ui:FontIcon FontFamily={StaticResource IconFontFamily},
-                                       Glyph=&#xE8F1;}"
-                    Tag="LyricsLib" />
+
                 <NavigationViewItem
                     x:Uid="SettingsPageBackgroundOverlay"
                     Icon="{ui:FontIcon FontFamily={StaticResource IconFontFamily},
                                        Glyph=&#xF5EF;}"
                     Tag="Background" />
+
                 <NavigationViewItem
                     x:Uid="SettingsPageLyrics"
                     Icon="{ui:FontIcon FontFamily={StaticResource IconFontFamily},
                                        Glyph=&#xEDC6;}"
                     Tag="Lyrics" />
+
                 <NavigationViewItem
                     x:Uid="SettingsPageTranslation"
                     Icon="{ui:FontIcon FontFamily={StaticResource IconFontFamily},
                                        Glyph=&#xE7F0;}"
                     Tag="Translation" />
+
+                <NavigationViewItem
+                    x:Uid="SettingsPageLastFM"
+                    Icon="{ui:BitmapIcon Source=ms-appx:///Assets/LastFM.png}"
+                    Tag="LastFM" />
+
                 <NavigationViewItem
                     x:Uid="SettingsPageAbout"
                     Icon="{ui:FontIcon FontFamily={StaticResource IconFontFamily},
                                        Glyph=&#xE946;}"
                     Tag="About" />
+
                 <NavigationViewItem
                     x:Uid="SettingsPageDev"
                     Icon="{ui:FontIcon FontFamily={StaticResource IconFontFamily},
                                        Glyph=&#xEC7A;}"
                     Tag="Dev" />
+
             </NavigationView.MenuItems>
 
             <ScrollViewer Padding="36,0">
@@ -200,13 +211,13 @@
 
                                 <controls:SettingsCard x:Uid="SettingsPageDockMonitor" HeaderIcon="{ui:FontIcon FontFamily={StaticResource IconFontFamily}, Glyph=&#xE7F4;}">
                                     <StackPanel Orientation="Horizontal" Spacing="6">
+                                        <ComboBox ItemsSource="{x:Bind ViewModel.MonitorDeviceNames, Mode=OneWay}" SelectedItem="{x:Bind ViewModel.SelectedDockMonitorDeviceName, Mode=TwoWay}" />
                                         <Button
                                             Command="{x:Bind ViewModel.RefreshMonitorDeviceNamesCommand}"
                                             Content="{ui:FontIcon FontFamily={StaticResource IconFontFamily},
                                                                   FontSize=12,
                                                                   Glyph=&#xE72C;}"
                                             Style="{StaticResource GhostButtonStyle}" />
-                                        <ComboBox ItemsSource="{x:Bind ViewModel.MonitorDeviceNames, Mode=OneWay}" SelectedItem="{x:Bind ViewModel.SelectedDockMonitorDeviceName, Mode=TwoWay}" />
                                     </StackPanel>
                                 </controls:SettingsCard>
 
@@ -383,31 +394,168 @@
                             </StackPanel>
                         </controls:Case>
 
-                        <!--  Playback source  -->
+                        <!--  Playback and lyrics source  -->
                         <controls:Case Value="PlaybackLib">
-                            <StackPanel Spacing="{StaticResource SettingsCardSpacing}">
-                                <controls:SettingsCard x:Uid="SettingsPageMediaSourceProvidersConfig" HeaderIcon="{ui:FontIcon FontFamily={StaticResource IconFontFamily}, Glyph=&#xEA69;}" />
-                                <ListView
-                                    x:Name="MediaSourceProvidersListView"
-                                    Margin="0,-4,0,0"
-                                    ItemsSource="{x:Bind ViewModel.MediaSourceProvidersInfo, Mode=OneWay}"
-                                    SelectionMode="None">
-                                    <ListView.ItemContainerStyle>
-                                        <Style TargetType="ListViewItem">
-                                            <Setter Property="HorizontalContentAlignment" Value="Stretch" />
-                                            <Setter Property="Margin" Value="0" />
-                                            <Setter Property="Padding" Value="0" />
-                                        </Style>
-                                    </ListView.ItemContainerStyle>
-                                    <ListView.ItemTemplate>
+                            <Grid>
+                                <NavigationView
+                                    IsBackButtonVisible="Collapsed"
+                                    IsBackEnabled="False"
+                                    IsSettingsVisible="False"
+                                    MenuItemsSource="{x:Bind ViewModel.MediaSourceProvidersInfo, Mode=OneWay}"
+                                    PaneDisplayMode="Top"
+                                    SelectedItem="{x:Bind ViewModel.SelectedMediaSourceProvider, Mode=TwoWay}">
+                                    <interactivity:Interaction.Behaviors>
+                                        <interactivity:DataTriggerBehavior
+                                            Binding="{x:Bind ViewModel.MediaSourceProvidersInfo.Count, Mode=OneWay}"
+                                            ComparisonCondition="NotEqual"
+                                            Value="0">
+                                            <interactivity:ChangePropertyAction PropertyName="Visibility" Value="Visible" />
+                                        </interactivity:DataTriggerBehavior>
+                                        <interactivity:DataTriggerBehavior
+                                            Binding="{x:Bind ViewModel.MediaSourceProvidersInfo.Count, Mode=OneWay}"
+                                            ComparisonCondition="Equal"
+                                            Value="0">
+                                            <interactivity:ChangePropertyAction PropertyName="Visibility" Value="Collapsed" />
+                                        </interactivity:DataTriggerBehavior>
+                                    </interactivity:Interaction.Behaviors>
+                                    <NavigationView.MenuItemTemplate>
                                         <DataTemplate x:DataType="models:MediaSourceProviderInfo">
-                                            <controls:SettingsCard Padding="60,0,48,0" Header="{Binding Provider, Mode=OneWay}">
-                                                <ToggleSwitch IsOn="{Binding IsEnabled, Mode=TwoWay}" Toggled="MediaSourceProviderToggleSwitch_Toggled" />
-                                            </controls:SettingsCard>
+                                            <NavigationViewItem>
+                                                <NavigationViewItem.Icon>
+                                                    <ImageIcon Source="{Binding Provider, Converter={StaticResource MediaSourceProviderToLogoUriConverter}, Mode=OneWay}" />
+                                                </NavigationViewItem.Icon>
+                                                <NavigationViewItem.Content>
+                                                    <TextBlock
+                                                        MaxWidth="200"
+                                                        Text="{Binding Provider, Converter={StaticResource MediaSourceProviderToDisplayedNameConverter}, Mode=OneWay}"
+                                                        TextWrapping="Wrap" />
+                                                </NavigationViewItem.Content>
+                                            </NavigationViewItem>
                                         </DataTemplate>
-                                    </ListView.ItemTemplate>
-                                </ListView>
-                            </StackPanel>
+                                    </NavigationView.MenuItemTemplate>
+                                    <NavigationView.Content>
+                                        <Grid Background="{ThemeResource CardStrokeColorDefaultBrush}">
+                                            <StackPanel Spacing="{StaticResource SettingsCardSpacing}">
+
+                                                <controls:SettingsCard x:Uid="SettingsPageMediaSourceProvidersConfig">
+                                                    <ToggleSwitch IsOn="{x:Bind ViewModel.SelectedMediaSourceProvider.IsEnabled, Mode=OneWay}" Toggled="MediaSourceProviderToggleSwitch_Toggled" />
+                                                </controls:SettingsCard>
+
+                                                <controls:SettingsCard x:Uid="SettingsPageLastFMTrack" IsEnabled="{x:Bind ViewModel.IsLastFMAuthenticated, Mode=OneWay}">
+                                                    <ToggleSwitch IsOn="{x:Bind ViewModel.SelectedMediaSourceProvider.IsLastFMTrackEnabled, Mode=OneWay}" Toggled="MediaSourceProviderLastFMTrackToggleSwitch_Toggled" />
+                                                </controls:SettingsCard>
+
+                                                <controls:SettingsCard x:Uid="SettingsPageLyricsTimelineThreshold">
+                                                    <StackPanel Orientation="Horizontal">
+                                                        <TextBlock x:Uid="SettingsPageSliderPrefix" VerticalAlignment="Center" />
+                                                        <TextBlock VerticalAlignment="Center" Text="{x:Bind ViewModel.SelectedMediaSourceProvider.TimelineSyncThreshold, Mode=OneWay}" />
+                                                        <TextBlock
+                                                            Margin="0,0,14,0"
+                                                            VerticalAlignment="Center"
+                                                            Text=" ms" />
+                                                        <Slider
+                                                            Maximum="1000"
+                                                            Minimum="0"
+                                                            SnapsTo="Ticks"
+                                                            StepFrequency="100"
+                                                            TickFrequency="100"
+                                                            TickPlacement="Outside"
+                                                            ValueChanged="MediaSourceProviderTimelineSyncThresholdSlider_ValueChanged"
+                                                            Value="{x:Bind ViewModel.SelectedMediaSourceProvider.TimelineSyncThreshold, Mode=TwoWay}" />
+                                                    </StackPanel>
+                                                </controls:SettingsCard>
+
+                                                <controls:SettingsExpander x:Uid="MainPagePositionOffsetSlider" IsExpanded="True">
+                                                    <StackPanel Orientation="Horizontal">
+                                                        <TextBlock x:Uid="SettingsPageSliderPrefix" VerticalAlignment="Center" />
+                                                        <TextBlock VerticalAlignment="Center" Text="{x:Bind ViewModel.SelectedMediaSourceProvider.PositionOffset, Mode=OneWay}" />
+                                                        <TextBlock
+                                                            Margin="0,0,14,0"
+                                                            VerticalAlignment="Center"
+                                                            Text=" ms" />
+                                                        <Slider
+                                                            Maximum="5000"
+                                                            Minimum="-5000"
+                                                            SnapsTo="Ticks"
+                                                            StepFrequency="100"
+                                                            TickFrequency="100"
+                                                            TickPlacement="Outside"
+                                                            ValueChanged="MediaSourceProviderPositionOffsetSlider_ValueChanged"
+                                                            Value="{x:Bind ViewModel.SelectedMediaSourceProvider.PositionOffset, Mode=TwoWay}" />
+                                                        <Button
+                                                            Margin="6,0,0,0"
+                                                            Click="MediaSourceProviderPositionOffsetResetButton_Click"
+                                                            Content="{ui:FontIcon FontFamily={StaticResource IconFontFamily},
+                                                                                  FontSize=12,
+                                                                                  Glyph=&#xE777;}"
+                                                            Style="{StaticResource GhostButtonStyle}" />
+                                                    </StackPanel>
+                                                    <controls:SettingsExpander.Items>
+                                                        <controls:SettingsCard x:Uid="LyricsPagePositionOffsetHint">
+                                                            <ToggleSwitch IsOn="{x:Bind ViewModel.SelectedMediaSourceProvider.ResetPositionOffsetOnSongChanged, Mode=TwoWay}" Toggled="ResetPositionOffsetOnSongChangedToggleSwitch_Toggled" />
+                                                        </controls:SettingsCard>
+                                                    </controls:SettingsExpander.Items>
+                                                </controls:SettingsExpander>
+
+                                                <controls:SettingsCard x:Uid="SettingsPageLyricsSearchProvidersConfig" />
+
+                                                <ListView
+                                                    x:Name="LyricsSearchProvidersListView"
+                                                    Margin="0,-4,0,0"
+                                                    AllowDrop="True"
+                                                    CanDragItems="True"
+                                                    CanReorderItems="True"
+                                                    DragItemsCompleted="LyricsSearchProvidersListView_DragItemsCompleted"
+                                                    ItemsSource="{x:Bind ViewModel.SelectedMediaSourceProvider.LyricsSearchProvidersInfo, Mode=OneWay}"
+                                                    SelectionMode="None">
+                                                    <ListView.OpacityTransition>
+                                                        <ScalarTransition />
+                                                    </ListView.OpacityTransition>
+                                                    <ListView.ItemContainerStyle>
+                                                        <Style TargetType="ListViewItem">
+                                                            <Setter Property="HorizontalContentAlignment" Value="Stretch" />
+                                                            <Setter Property="Margin" Value="0" />
+                                                            <Setter Property="Padding" Value="0" />
+                                                        </Style>
+                                                    </ListView.ItemContainerStyle>
+                                                    <ListView.ItemTemplate>
+                                                        <DataTemplate x:DataType="models:LyricsSearchProviderInfo">
+                                                            <controls:SettingsCard Header="{Binding Provider, Converter={StaticResource LyricsSearchProviderToDisplayNameConverter}, Mode=OneWay}">
+                                                                <ToggleSwitch IsOn="{Binding IsEnabled, Mode=TwoWay}" Toggled="LyricsSearchProviderToggleSwitch_Toggled" />
+                                                            </controls:SettingsCard>
+                                                        </DataTemplate>
+                                                    </ListView.ItemTemplate>
+                                                </ListView>
+
+                                            </StackPanel>
+                                        </Grid>
+                                    </NavigationView.Content>
+                                </NavigationView>
+                                <StackPanel
+                                    HorizontalAlignment="Center"
+                                    VerticalAlignment="Center"
+                                    Spacing="12">
+                                    <interactivity:Interaction.Behaviors>
+                                        <interactivity:DataTriggerBehavior
+                                            Binding="{x:Bind ViewModel.MediaSourceProvidersInfo.Count, Mode=OneWay}"
+                                            ComparisonCondition="Equal"
+                                            Value="0">
+                                            <interactivity:ChangePropertyAction PropertyName="Visibility" Value="Visible" />
+                                        </interactivity:DataTriggerBehavior>
+                                        <interactivity:DataTriggerBehavior
+                                            Binding="{x:Bind ViewModel.MediaSourceProvidersInfo.Count, Mode=OneWay}"
+                                            ComparisonCondition="NotEqual"
+                                            Value="0">
+                                            <interactivity:ChangePropertyAction PropertyName="Visibility" Value="Collapsed" />
+                                        </interactivity:DataTriggerBehavior>
+                                    </interactivity:Interaction.Behaviors>
+                                    <Image MaxWidth="200" Source="/Assets/Leaf.png" />
+                                    <TextBlock
+                                        x:Uid="SettingsPagePlaybackNotFound"
+                                        HorizontalAlignment="Center"
+                                        Foreground="{ThemeResource TextFillColorSecondaryBrush}" />
+                                </StackPanel>
+                            </Grid>
                         </controls:Case>
 
                         <!--  Media lib  -->
@@ -481,46 +629,6 @@
                             </StackPanel>
                         </controls:Case>
 
-                        <!--  Lyrics source  -->
-                        <controls:Case Value="LyricsLib">
-                            <StackPanel Spacing="{StaticResource SettingsCardSpacing}">
-
-                                <controls:SettingsCard
-                                    x:Name="LyricsSearchProvidersSettingsExpander"
-                                    x:Uid="SettingsPageLyricsSearchProvidersConfig"
-                                    HeaderIcon="{ui:FontIcon FontFamily={StaticResource IconFontFamily},
-                                                             Glyph=&#xE8F1;}" />
-
-                                <ListView
-                                    x:Name="LyricsSearchProvidersListView"
-                                    Margin="0,-4,0,0"
-                                    AllowDrop="True"
-                                    CanDragItems="True"
-                                    CanReorderItems="True"
-                                    DragItemsCompleted="LyricsSearchProvidersListView_DragItemsCompleted"
-                                    ItemsSource="{x:Bind ViewModel.LyricsSearchProvidersInfo, Mode=OneWay}"
-                                    SelectionMode="None">
-                                    <ListView.OpacityTransition>
-                                        <ScalarTransition />
-                                    </ListView.OpacityTransition>
-                                    <ListView.ItemContainerStyle>
-                                        <Style TargetType="ListViewItem">
-                                            <Setter Property="HorizontalContentAlignment" Value="Stretch" />
-                                            <Setter Property="Margin" Value="0" />
-                                            <Setter Property="Padding" Value="0" />
-                                        </Style>
-                                    </ListView.ItemContainerStyle>
-                                    <ListView.ItemTemplate>
-                                        <DataTemplate x:DataType="models:LyricsSearchProviderInfo">
-                                            <controls:SettingsCard Padding="60,0,48,0" Header="{Binding Provider, Converter={StaticResource LyricsSearchProviderToDisplayNameConverter}, Mode=OneWay}">
-                                                <ToggleSwitch IsOn="{Binding IsEnabled, Mode=TwoWay}" Toggled="LyricsSearchProviderToggleSwitch_Toggled" />
-                                            </controls:SettingsCard>
-                                        </DataTemplate>
-                                    </ListView.ItemTemplate>
-                                </ListView>
-
-                            </StackPanel>
-                        </controls:Case>
 
                         <!--  Lyrics style and effect  -->
                         <controls:Case Value="Lyrics">
@@ -780,6 +888,13 @@
                                     </StackPanel>
                                 </controls:SettingsCard>
 
+                                <controls:SettingsCard x:Uid="SettingsPageLyricsTranslationSeparator" HeaderIcon="{ui:FontIcon FontFamily={StaticResource IconFontFamily}, Glyph=&#xF57B;}">
+                                    <StackPanel Orientation="Horizontal" Spacing="6">
+                                        <TextBox AcceptsReturn="True" Text="{x:Bind ViewModel.LyricsTranslationSeparator, Mode=TwoWay}" />
+                                        <Button Content="{ui:FontIcon FontFamily={StaticResource IconFontFamily}, FontSize=12, Glyph=&#xE8FB;}" Style="{StaticResource GhostButtonStyle}" />
+                                    </StackPanel>
+                                </controls:SettingsCard>
+
                                 <!--  Effect  -->
 
                                 <TextBlock
@@ -978,6 +1093,41 @@
                             </StackPanel>
                         </controls:Case>
 
+                        <!--  Last.FM  -->
+                        <controls:Case Value="LastFM">
+                            <StackPanel Spacing="{StaticResource SettingsCardSpacing}">
+                                <controls:SettingsExpander
+                                    x:Uid="SettingsPageLastFMManager"
+                                    HeaderIcon="{ui:BitmapIcon Source=ms-appx:///Assets/LastFM.png}"
+                                    IsExpanded="{x:Bind ViewModel.IsLastFMAuthenticated, Mode=OneWay}">
+                                    <StackPanel Orientation="Horizontal" Spacing="6">
+                                        <Button
+                                            x:Uid="SettingsPageLastFMAuth"
+                                            Command="{x:Bind ViewModel.LastFMAuthCommand}"
+                                            IsEnabled="{x:Bind ViewModel.IsLastFMAuthenticated, Mode=OneWay, Converter={StaticResource BoolNegationConverter}}" />
+                                        <Button
+                                            x:Uid="SettingsPageLastFMUnAuth"
+                                            Command="{x:Bind ViewModel.LastFMUnAuthCommand}"
+                                            IsEnabled="{x:Bind ViewModel.IsLastFMAuthenticated, Mode=OneWay}" />
+                                    </StackPanel>
+                                    <controls:SettingsExpander.Items>
+                                        <controls:SettingsCard x:Uid="SettingsPageLastFMUsername" IsEnabled="{x:Bind ViewModel.IsLastFMAuthenticated, Mode=OneWay}">
+                                            <HyperlinkButton Content="{x:Bind ViewModel.LastFMUser.Name, Mode=OneWay}" NavigateUri="{x:Bind ViewModel.LastFMUser.Url, Mode=OneWay}" />
+                                        </controls:SettingsCard>
+                                        <controls:SettingsCard x:Uid="SettingsPageLastFMPlaycount" IsEnabled="{x:Bind ViewModel.IsLastFMAuthenticated, Mode=OneWay}">
+                                            <TextBlock Text="{x:Bind ViewModel.LastFMUser.Playcount, Mode=OneWay}" />
+                                        </controls:SettingsCard>
+                                        <controls:SettingsCard x:Uid="SettingsPageLastFMRegistered" IsEnabled="{x:Bind ViewModel.IsLastFMAuthenticated, Mode=OneWay}">
+                                            <TextBlock Text="{x:Bind ViewModel.LastFMUser.Registered.ToLongDateString(), Mode=OneWay}" />
+                                        </controls:SettingsCard>
+                                        <controls:SettingsCard IsEnabled="{x:Bind ViewModel.IsLastFMAuthenticated, Mode=OneWay}">
+                                            <Button x:Uid="SettingsPageLastFMRefresh" Command="{x:Bind ViewModel.LastFMRefreshCommand}" />
+                                        </controls:SettingsCard>
+                                    </controls:SettingsExpander.Items>
+                                </controls:SettingsExpander>
+                            </StackPanel>
+                        </controls:Case>
+
                         <!--  About  -->
                         <controls:Case Value="About">
                             <StackPanel Spacing="{StaticResource SettingsCardSpacing}">
@@ -1037,25 +1187,6 @@
                                     <ToggleSwitch IsOn="{x:Bind ViewModel.IsDebugOverlayEnabled, Mode=TwoWay}" />
                                 </controls:SettingsCard>
 
-                                <controls:SettingsCard x:Uid="SettingsPageLyricsTimelineThreshold">
-                                    <StackPanel Orientation="Horizontal">
-                                        <TextBlock x:Uid="SettingsPageSliderPrefix" VerticalAlignment="Center" />
-                                        <TextBlock VerticalAlignment="Center" Text="{x:Bind ViewModel.TimelineSyncThreshold, Mode=OneWay}" />
-                                        <TextBlock
-                                            Margin="0,0,14,0"
-                                            VerticalAlignment="Center"
-                                            Text=" ms" />
-                                        <Slider
-                                            Maximum="1000"
-                                            Minimum="0"
-                                            SnapsTo="Ticks"
-                                            StepFrequency="100"
-                                            TickFrequency="100"
-                                            TickPlacement="Outside"
-                                            Value="{x:Bind ViewModel.TimelineSyncThreshold, Mode=TwoWay}" />
-                                    </StackPanel>
-                                </controls:SettingsCard>
-
                                 <controls:SettingsCard x:Uid="SettingsPageLXMusicServer">
                                     <StackPanel Orientation="Horizontal" Spacing="12">
                                         <TextBox

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Views/SettingsPage.xaml.cs

@@ -3,10 +3,12 @@
 using BetterLyrics.WinUI3.Helper;
 using BetterLyrics.WinUI3.Models;
 using BetterLyrics.WinUI3.ViewModels;
+using BetterLyrics.WinUI3.ViewModels.SettingsPageViewModel;
 using CommunityToolkit.Mvvm.DependencyInjection;
 using Microsoft.UI.Xaml;
 using Microsoft.UI.Xaml.Controls;
 using System;
+using System.Threading.Tasks;
 using Windows.System;
 
 namespace BetterLyrics.WinUI3.Views
@@ -42,13 +44,7 @@ namespace BetterLyrics.WinUI3.Views
 
         private void LyricsSearchProviderToggleSwitch_Toggled(object sender, RoutedEventArgs e)
         {
-            if (sender is ToggleSwitch toggleSwitch)
-            {
-                if (toggleSwitch.DataContext is LyricsSearchProviderInfo providerInfo)
-                {
-                    ViewModel.ToggleLyricsSearchProvider();
-                }
-            }
+            ViewModel.BroadcastMediaSourceProvidersInfoChanged();
         }
 
         private void NavView_SelectionChanged(
@@ -71,9 +67,10 @@ namespace BetterLyrics.WinUI3.Views
         {
             if (sender is ToggleSwitch toggleSwitch)
             {
-                if (toggleSwitch.DataContext is MediaSourceProviderInfo providerInfo)
+                if (ViewModel.SelectedMediaSourceProvider != null)
                 {
-                    ViewModel.ToggleMediaSourceProvider(providerInfo);
+                    ViewModel.SelectedMediaSourceProvider.IsEnabled = toggleSwitch.IsOn;
+                    ViewModel.BroadcastMediaSourceProvidersInfoChanged();
                 }
             }
         }
@@ -118,22 +115,54 @@ namespace BetterLyrics.WinUI3.Views
 
         private void QQGroupButton_Click(object sender, RoutedEventArgs e)
         {
-            Launcher.LaunchUriAsync(new Uri(MetadataHelper.QQGroupUrl));
+            Launcher.LaunchUriAsync(new Uri(Constants.Link.QQGroupUrl));
         }
 
         private void DiscodGroupButton_Click(object sender, RoutedEventArgs e)
         {
-            Launcher.LaunchUriAsync(new Uri(MetadataHelper.DiscordUrl));
+            Launcher.LaunchUriAsync(new Uri(Constants.Link.DiscordUrl));
         }
 
         private void TelegramGroupButton_Click(object sender, RoutedEventArgs e)
         {
-            Launcher.LaunchUriAsync(new Uri(MetadataHelper.TelegramUrl));
+            Launcher.LaunchUriAsync(new Uri(Constants.Link.TelegramUrl));
         }
 
         private void AutoStartupToggleSwitch_Unloaded(object sender, RoutedEventArgs e)
         {
             AutoStartupToggleSwitch.Toggled -= AutoStartupToggleSwitch_Toggled;
         }
+
+        private void MediaSourceProviderLastFMTrackToggleSwitch_Toggled(object sender, RoutedEventArgs e)
+        {
+            if (sender is ToggleSwitch toggleSwitch)
+            {
+                if (ViewModel.SelectedMediaSourceProvider != null)
+                {
+                    ViewModel.SelectedMediaSourceProvider.IsLastFMTrackEnabled = toggleSwitch.IsOn;
+                    ViewModel.BroadcastMediaSourceProvidersInfoChanged();
+                }
+            }
+        }
+
+        private void MediaSourceProviderTimelineSyncThresholdSlider_ValueChanged(object sender, Microsoft.UI.Xaml.Controls.Primitives.RangeBaseValueChangedEventArgs e)
+        {
+            ViewModel.BroadcastMediaSourceProvidersInfoChanged();
+        }
+
+        private void MediaSourceProviderPositionOffsetResetButton_Click(object sender, RoutedEventArgs e)
+        {
+            ViewModel.SelectedMediaSourceProvider?.PositionOffset = 0;
+        }
+
+        private void MediaSourceProviderPositionOffsetSlider_ValueChanged(object sender, Microsoft.UI.Xaml.Controls.Primitives.RangeBaseValueChangedEventArgs e)
+        {
+            ViewModel.BroadcastMediaSourceProvidersInfoChanged();
+        }
+
+        private void ResetPositionOffsetOnSongChangedToggleSwitch_Toggled(object sender, RoutedEventArgs e)
+        {
+            ViewModel.BroadcastMediaSourceProvidersInfoChanged();
+        }
     }
 }