Update release-to-telegram.yml

在 FAQ.md 文件中，修改了 FAQ 部分的链接文本。将原有的“点此访问”替换为“Click here to visit”，并在中文、日文和韩文版本中相应更新为“点此前往”、“こちらをクリック”和“여기를 클릭하세요”。

.github/FUNDING.yml

@@ -0,0 +1,15 @@
+# These are supported funding model platforms
+
+github: [jayfunc]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: # Replace with a single Tidelift platform-name/package-name e.g., npm/babel
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+lfx_crowdfunding: # Replace with a single LFX Crowdfunding project-name e.g., cloud-foundry
+polar: # Replace with a single Polar username
+buy_me_a_coffee: founchoo
+thanks_dev: # Replace with a single thanks.dev username
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']

.github/workflows/issues-translator.yml

@@ -0,0 +1,18 @@
+name: 'issue-translator'
+on: 
+  issue_comment: 
+    types: [created]
+  issues: 
+    types: [opened]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: usthe/issues-translate-action@v2.7
+        with:
+          IS_MODIFY_TITLE: false
+          # not require, default false, . Decide whether to modify the issue title
+          # if true, the robot account @Issues-translate-bot must have modification permissions, invite @Issues-translate-bot to your project or use your custom bot.
+          CUSTOM_BOT_NOTE: Bot detected the issue body's language is not English, translate it automatically. 👯👭🏻🧑‍🤝‍🧑👫🧑🏿‍🤝‍🧑🏻👩🏾‍🤝‍👨🏿👬🏿
+          # not require. Customize the translation robot prefix message.

.github/workflows/release-to-telegram.yml

@@ -0,0 +1,28 @@
+name: Notify Telegram on GitHub Release
+
+on:
+  release:
+    types: [published]
+
+jobs:
+  notify:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Send release info to Telegram
+        env:
+          TELEGRAM_TOKEN: ${{ secrets.TELEGRAM_BOT_TOKEN }}
+          CHAT_ID: ${{ secrets.TELEGRAM_CHAT_ID }}
+          THREAD_ID: ${{ secrets.TELEGRAM_THREAD_ID }}
+          RELEASE_URL: ${{ github.event.release.html_url }}
+          RELEASE_TAG: ${{ github.event.release.tag_name }}
+          RELEASE_NAME: ${{ github.event.release.name }}
+          RELEASE_BODY: ${{ github.event.release.body }}
+        run: |
+          TEXT="🚀 *New Release:* ${RELEASE_TAG} - ${RELEASE_NAME}%0A"
+          TEXT+="📝 *Description:*%0A${RELEASE_BODY}%0A"
+          TEXT+="🔗 [View on GitHub](${RELEASE_URL})"
+
+          curl -s -X POST "https://api.telegram.org/bot${TELEGRAM_TOKEN}/sendMessage" \
+               -d chat_id="${CHAT_ID}" \
+               -d message_thread_id="${THREAD_ID}" \
+               -d text="${TEXT}"

.github/workflows/releases-to-discord.yml

@@ -0,0 +1,22 @@
+name: Notify Discord on GitHub Release
+
+on:
+  release:
+    types: [published]
+
+jobs:
+  github-releases-to-discord:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+      - name: GitHub Releases to Discord
+        uses: SethCohen/github-releases-to-discord@v1
+        with:
+          webhook_url: ${{ secrets.WEBHOOK_URL }}
+          color: "2105893"
+          username: "GitHub"
+          avatar_url: "https://github.githubassets.com/assets/GitHub-Mark-ea2971cee799.png"
+          content: "||@everyone||"
+          footer_title: "Changelog"
+          reduce_headings: true

BetterLyrics.WinUI3/BetterLyrics.WinUI3 (Package)/BetterLyrics.WinUI3 (Package).wapproj

@@ -1,149 +1,150 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="15.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <PropertyGroup Condition="'$(VisualStudioVersion)' == '' or '$(VisualStudioVersion)' &lt; '15.0'">
-    <VisualStudioVersion>15.0</VisualStudioVersion>
-  </PropertyGroup>
-  <ItemGroup Label="ProjectConfigurations">
-    <ProjectConfiguration Include="Debug|x86">
-      <Configuration>Debug</Configuration>
-      <Platform>x86</Platform>
-    </ProjectConfiguration>
-    <ProjectConfiguration Include="Release|x86">
-      <Configuration>Release</Configuration>
-      <Platform>x86</Platform>
-    </ProjectConfiguration>
-    <ProjectConfiguration Include="Debug|x64">
-      <Configuration>Debug</Configuration>
-      <Platform>x64</Platform>
-    </ProjectConfiguration>
-    <ProjectConfiguration Include="Release|x64">
-      <Configuration>Release</Configuration>
-      <Platform>x64</Platform>
-    </ProjectConfiguration>
-    <ProjectConfiguration Include="Debug|ARM64">
-      <Configuration>Debug</Configuration>
-      <Platform>ARM64</Platform>
-    </ProjectConfiguration>
-    <ProjectConfiguration Include="Release|ARM64">
-      <Configuration>Release</Configuration>
-      <Platform>ARM64</Platform>
-    </ProjectConfiguration>
-  </ItemGroup>
-  <PropertyGroup>
-    <WapProjPath Condition="'$(WapProjPath)'==''">$(MSBuildExtensionsPath)\Microsoft\DesktopBridge\</WapProjPath>
-    <PathToXAMLWinRTImplementations>BetterLyrics.WinUI3\</PathToXAMLWinRTImplementations>
-  </PropertyGroup>
-  <Import Project="$(WapProjPath)\Microsoft.DesktopBridge.props" />
-  <PropertyGroup>
-    <ProjectGuid>6576cd19-ef92-4099-b37d-e2d8ebdb6bf5</ProjectGuid>
-    <TargetPlatformVersion>10.0.26100.0</TargetPlatformVersion>
-    <TargetPlatformMinVersion>10.0.17763.0</TargetPlatformMinVersion>
-    <AssetTargetFallback>net8.0-windows$(TargetPlatformVersion);$(AssetTargetFallback)</AssetTargetFallback>
-    <DefaultLanguage>zh-CN</DefaultLanguage>
-    <AppxPackageSigningEnabled>True</AppxPackageSigningEnabled>
-    <EntryPointProjectUniqueName>..\BetterLyrics.WinUI3\BetterLyrics.WinUI3.csproj</EntryPointProjectUniqueName>
-    <GenerateAppInstallerFile>False</GenerateAppInstallerFile>
-    <AppxPackageSigningTimestampDigestAlgorithm>SHA256</AppxPackageSigningTimestampDigestAlgorithm>
-    <AppxAutoIncrementPackageRevision>False</AppxAutoIncrementPackageRevision>
-    <GenerateTestArtifacts>True</GenerateTestArtifacts>
-    <AppxBundlePlatforms>x86|x64</AppxBundlePlatforms>
-    <GenerateTemporaryStoreCertificate>True</GenerateTemporaryStoreCertificate>
-    <HoursBetweenUpdateChecks>0</HoursBetweenUpdateChecks>
-    <PackageCertificateKeyFile>BetterLyrics.WinUI3 %28Package%29_TemporaryKey.pfx</PackageCertificateKeyFile>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
-    <AppxBundle>Always</AppxBundle>
-    <DefaultLanguage>en-US</DefaultLanguage>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x86'">
-    <AppxBundle>Always</AppxBundle>
-    <DefaultLanguage>en-US</DefaultLanguage>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x86'">
-    <AppxBundle>Always</AppxBundle>
-    <DefaultLanguage>en-US</DefaultLanguage>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
-    <AppxBundle>Always</AppxBundle>
-    <DefaultLanguage>en-US</DefaultLanguage>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|ARM64'">
-    <AppxBundle>Always</AppxBundle>
-    <DefaultLanguage>en-US</DefaultLanguage>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|ARM64'">
-    <AppxBundle>Always</AppxBundle>
-    <DefaultLanguage>en-US</DefaultLanguage>
-  </PropertyGroup>
-  <ItemGroup>
-    <AppxManifest Include="Package.appxmanifest">
-      <SubType>Designer</SubType>
-    </AppxManifest>
-  </ItemGroup>
-  <ItemGroup>
-    <None Include="BetterLyrics.WinUI3 %28Package%29_TemporaryKey.pfx" />
-    <Content Include="Images\LargeTile.scale-100.png" />
-    <Content Include="Images\LargeTile.scale-125.png" />
-    <Content Include="Images\LargeTile.scale-150.png" />
-    <Content Include="Images\LargeTile.scale-200.png" />
-    <Content Include="Images\LargeTile.scale-400.png" />
-    <Content Include="Images\SmallTile.scale-100.png" />
-    <Content Include="Images\SmallTile.scale-125.png" />
-    <Content Include="Images\SmallTile.scale-150.png" />
-    <Content Include="Images\SmallTile.scale-200.png" />
-    <Content Include="Images\SmallTile.scale-400.png" />
-    <Content Include="Images\SplashScreen.scale-100.png" />
-    <Content Include="Images\SplashScreen.scale-125.png" />
-    <Content Include="Images\SplashScreen.scale-150.png" />
-    <Content Include="Images\SplashScreen.scale-200.png" />
-    <Content Include="Images\LockScreenLogo.scale-200.png" />
-    <Content Include="Images\SplashScreen.scale-400.png" />
-    <Content Include="Images\Square150x150Logo.scale-100.png" />
-    <Content Include="Images\Square150x150Logo.scale-125.png" />
-    <Content Include="Images\Square150x150Logo.scale-150.png" />
-    <Content Include="Images\Square150x150Logo.scale-200.png" />
-    <Content Include="Images\Square150x150Logo.scale-400.png" />
-    <Content Include="Images\Square44x44Logo.altform-lightunplated_targetsize-16.png" />
-    <Content Include="Images\Square44x44Logo.altform-lightunplated_targetsize-24.png" />
-    <Content Include="Images\Square44x44Logo.altform-lightunplated_targetsize-256.png" />
-    <Content Include="Images\Square44x44Logo.altform-lightunplated_targetsize-32.png" />
-    <Content Include="Images\Square44x44Logo.altform-lightunplated_targetsize-48.png" />
-    <Content Include="Images\Square44x44Logo.altform-unplated_targetsize-16.png" />
-    <Content Include="Images\Square44x44Logo.altform-unplated_targetsize-256.png" />
-    <Content Include="Images\Square44x44Logo.altform-unplated_targetsize-32.png" />
-    <Content Include="Images\Square44x44Logo.altform-unplated_targetsize-48.png" />
-    <Content Include="Images\Square44x44Logo.scale-100.png" />
-    <Content Include="Images\Square44x44Logo.scale-125.png" />
-    <Content Include="Images\Square44x44Logo.scale-150.png" />
-    <Content Include="Images\Square44x44Logo.scale-200.png" />
-    <Content Include="Images\Square44x44Logo.scale-400.png" />
-    <Content Include="Images\Square44x44Logo.targetsize-16.png" />
-    <Content Include="Images\Square44x44Logo.targetsize-24.png" />
-    <Content Include="Images\Square44x44Logo.targetsize-24_altform-unplated.png" />
-    <Content Include="Images\Square44x44Logo.targetsize-256.png" />
-    <Content Include="Images\Square44x44Logo.targetsize-32.png" />
-    <Content Include="Images\Square44x44Logo.targetsize-48.png" />
-    <Content Include="Images\StoreLogo.scale-100.png" />
-    <Content Include="Images\StoreLogo.scale-125.png" />
-    <Content Include="Images\StoreLogo.scale-150.png" />
-    <Content Include="Images\StoreLogo.scale-200.png" />
-    <Content Include="Images\StoreLogo.scale-400.png" />
-    <Content Include="Images\Wide310x150Logo.scale-100.png" />
-    <Content Include="Images\Wide310x150Logo.scale-125.png" />
-    <Content Include="Images\Wide310x150Logo.scale-150.png" />
-    <Content Include="Images\Wide310x150Logo.scale-200.png" />
-    <Content Include="Images\Wide310x150Logo.scale-400.png" />
-    <None Include="Package.StoreAssociation.xml" />
-  </ItemGroup>
-  <ItemGroup>
-    <ProjectReference Include="..\BetterLyrics.WinUI3\BetterLyrics.WinUI3.csproj">
-      <SkipGetTargetFrameworkProperties>True</SkipGetTargetFrameworkProperties>
-      <PublishProfile>Properties\PublishProfiles\win-$(Platform).pubxml</PublishProfile>
-    </ProjectReference>
-  </ItemGroup>
-  <ItemGroup>
-    <PackageReference Include="Microsoft.Windows.SDK.BuildTools" Version="10.0.26100.4188" />
-    <PackageReference Include="Microsoft.WindowsAppSDK" Version="1.7.250513003" />
-  </ItemGroup>
-  <Import Project="$(WapProjPath)\Microsoft.DesktopBridge.targets" />
+	<PropertyGroup Condition="'$(VisualStudioVersion)' == '' or '$(VisualStudioVersion)' &lt; '15.0'">
+		<VisualStudioVersion>15.0</VisualStudioVersion>
+	</PropertyGroup>
+	<ItemGroup Label="ProjectConfigurations">
+		<ProjectConfiguration Include="Debug|x86">
+			<Configuration>Debug</Configuration>
+			<Platform>x86</Platform>
+		</ProjectConfiguration>
+		<ProjectConfiguration Include="Release|x86">
+			<Configuration>Release</Configuration>
+			<Platform>x86</Platform>
+		</ProjectConfiguration>
+		<ProjectConfiguration Include="Debug|x64">
+			<Configuration>Debug</Configuration>
+			<Platform>x64</Platform>
+		</ProjectConfiguration>
+		<ProjectConfiguration Include="Release|x64">
+			<Configuration>Release</Configuration>
+			<Platform>x64</Platform>
+		</ProjectConfiguration>
+		<ProjectConfiguration Include="Debug|ARM64">
+			<Configuration>Debug</Configuration>
+			<Platform>ARM64</Platform>
+		</ProjectConfiguration>
+		<ProjectConfiguration Include="Release|ARM64">
+			<Configuration>Release</Configuration>
+			<Platform>ARM64</Platform>
+		</ProjectConfiguration>
+	</ItemGroup>
+	<PropertyGroup>
+		<WapProjPath Condition="'$(WapProjPath)'==''">$(MSBuildExtensionsPath)\Microsoft\DesktopBridge\</WapProjPath>
+		<PathToXAMLWinRTImplementations>BetterLyrics.WinUI3\</PathToXAMLWinRTImplementations>
+	</PropertyGroup>
+	<Import Project="$(WapProjPath)\Microsoft.DesktopBridge.props" />
+	<PropertyGroup>
+		<ProjectGuid>6576cd19-ef92-4099-b37d-e2d8ebdb6bf5</ProjectGuid>
+		<TargetPlatformVersion>10.0.26100.0</TargetPlatformVersion>
+		<TargetPlatformMinVersion>10.0.17763.0</TargetPlatformMinVersion>
+		<AssetTargetFallback>net8.0-windows$(TargetPlatformVersion);$(AssetTargetFallback)</AssetTargetFallback>
+		<DefaultLanguage>zh-CN</DefaultLanguage>
+		<AppxPackageSigningEnabled>True</AppxPackageSigningEnabled>
+		<EntryPointProjectUniqueName>..\BetterLyrics.WinUI3\BetterLyrics.WinUI3.csproj</EntryPointProjectUniqueName>
+		<GenerateAppInstallerFile>False</GenerateAppInstallerFile>
+		<AppxPackageSigningTimestampDigestAlgorithm>SHA256</AppxPackageSigningTimestampDigestAlgorithm>
+		<AppxAutoIncrementPackageRevision>False</AppxAutoIncrementPackageRevision>
+		<GenerateTestArtifacts>True</GenerateTestArtifacts>
+		<AppxBundlePlatforms>x86|x64</AppxBundlePlatforms>
+		<GenerateTemporaryStoreCertificate>True</GenerateTemporaryStoreCertificate>
+		<HoursBetweenUpdateChecks>0</HoursBetweenUpdateChecks>
+		<PackageCertificateKeyFile>BetterLyrics.WinUI3 %28Package%29_TemporaryKey.pfx</PackageCertificateKeyFile>
+	</PropertyGroup>
+	<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+		<AppxBundle>Always</AppxBundle>
+		<DefaultLanguage>en-US</DefaultLanguage>
+	</PropertyGroup>
+	<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x86'">
+		<AppxBundle>Always</AppxBundle>
+		<DefaultLanguage>en-US</DefaultLanguage>
+	</PropertyGroup>
+	<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x86'">
+		<AppxBundle>Always</AppxBundle>
+		<DefaultLanguage>en-US</DefaultLanguage>
+	</PropertyGroup>
+	<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+		<AppxBundle>Always</AppxBundle>
+		<DefaultLanguage>en-US</DefaultLanguage>
+	</PropertyGroup>
+	<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|ARM64'">
+		<AppxBundle>Always</AppxBundle>
+		<DefaultLanguage>en-US</DefaultLanguage>
+	</PropertyGroup>
+	<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|ARM64'">
+		<AppxBundle>Always</AppxBundle>
+		<DefaultLanguage>en-US</DefaultLanguage>
+	</PropertyGroup>
+	<ItemGroup>
+		<AppxManifest Include="Package.appxmanifest">
+			<SubType>Designer</SubType>
+		</AppxManifest>
+	</ItemGroup>
+	<ItemGroup>
+		<None Include="BetterLyrics.WinUI3 %28Package%29_TemporaryKey.pfx" />
+		<Content Include="Images\LargeTile.scale-100.png" />
+		<Content Include="Images\LargeTile.scale-125.png" />
+		<Content Include="Images\LargeTile.scale-150.png" />
+		<Content Include="Images\LargeTile.scale-200.png" />
+		<Content Include="Images\LargeTile.scale-400.png" />
+		<Content Include="Images\SmallTile.scale-100.png" />
+		<Content Include="Images\SmallTile.scale-125.png" />
+		<Content Include="Images\SmallTile.scale-150.png" />
+		<Content Include="Images\SmallTile.scale-200.png" />
+		<Content Include="Images\SmallTile.scale-400.png" />
+		<Content Include="Images\SplashScreen.scale-100.png" />
+		<Content Include="Images\SplashScreen.scale-125.png" />
+		<Content Include="Images\SplashScreen.scale-150.png" />
+		<Content Include="Images\SplashScreen.scale-200.png" />
+		<Content Include="Images\LockScreenLogo.scale-200.png" />
+		<Content Include="Images\SplashScreen.scale-400.png" />
+		<Content Include="Images\Square150x150Logo.scale-100.png" />
+		<Content Include="Images\Square150x150Logo.scale-125.png" />
+		<Content Include="Images\Square150x150Logo.scale-150.png" />
+		<Content Include="Images\Square150x150Logo.scale-200.png" />
+		<Content Include="Images\Square150x150Logo.scale-400.png" />
+		<Content Include="Images\Square44x44Logo.altform-lightunplated_targetsize-16.png" />
+		<Content Include="Images\Square44x44Logo.altform-lightunplated_targetsize-24.png" />
+		<Content Include="Images\Square44x44Logo.altform-lightunplated_targetsize-256.png" />
+		<Content Include="Images\Square44x44Logo.altform-lightunplated_targetsize-32.png" />
+		<Content Include="Images\Square44x44Logo.altform-lightunplated_targetsize-48.png" />
+		<Content Include="Images\Square44x44Logo.altform-unplated_targetsize-16.png" />
+		<Content Include="Images\Square44x44Logo.altform-unplated_targetsize-256.png" />
+		<Content Include="Images\Square44x44Logo.altform-unplated_targetsize-32.png" />
+		<Content Include="Images\Square44x44Logo.altform-unplated_targetsize-48.png" />
+		<Content Include="Images\Square44x44Logo.scale-100.png" />
+		<Content Include="Images\Square44x44Logo.scale-125.png" />
+		<Content Include="Images\Square44x44Logo.scale-150.png" />
+		<Content Include="Images\Square44x44Logo.scale-200.png" />
+		<Content Include="Images\Square44x44Logo.scale-400.png" />
+		<Content Include="Images\Square44x44Logo.targetsize-16.png" />
+		<Content Include="Images\Square44x44Logo.targetsize-24.png" />
+		<Content Include="Images\Square44x44Logo.targetsize-24_altform-unplated.png" />
+		<Content Include="Images\Square44x44Logo.targetsize-256.png" />
+		<Content Include="Images\Square44x44Logo.targetsize-32.png" />
+		<Content Include="Images\Square44x44Logo.targetsize-48.png" />
+		<Content Include="Images\StoreLogo.scale-100.png" />
+		<Content Include="Images\StoreLogo.scale-125.png" />
+		<Content Include="Images\StoreLogo.scale-150.png" />
+		<Content Include="Images\StoreLogo.scale-200.png" />
+		<Content Include="Images\StoreLogo.scale-400.png" />
+		<Content Include="Images\Wide310x150Logo.scale-100.png" />
+		<Content Include="Images\Wide310x150Logo.scale-125.png" />
+		<Content Include="Images\Wide310x150Logo.scale-150.png" />
+		<Content Include="Images\Wide310x150Logo.scale-200.png" />
+		<Content Include="Images\Wide310x150Logo.scale-400.png" />
+		<None Include="Package.StoreAssociation.xml" />
+	</ItemGroup>
+	<ItemGroup>
+		<ProjectReference Include="..\BetterLyrics.WinUI3\BetterLyrics.WinUI3.csproj">
+			    <EnableMsixTooling>true</EnableMsixTooling>
+<SkipGetTargetFrameworkProperties>True</SkipGetTargetFrameworkProperties>
+			<PublishProfile>Properties\PublishProfiles\win-$(Platform).pubxml</PublishProfile>
+		</ProjectReference>
+	</ItemGroup>
+	<ItemGroup>
+		<PackageReference Include="Microsoft.Windows.SDK.BuildTools" Version="10.0.26100.4654" />
+		<PackageReference Include="Microsoft.WindowsAppSDK" Version="1.7.250606001" />
+	</ItemGroup>
+	<Import Project="$(WapProjPath)\Microsoft.DesktopBridge.targets" />
 </Project>

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

@@ -5,52 +5,62 @@
   xmlns:mp="http://schemas.microsoft.com/appx/2014/phone/manifest"
   xmlns:uap="http://schemas.microsoft.com/appx/manifest/uap/windows10"
   xmlns:rescap="http://schemas.microsoft.com/appx/manifest/foundation/windows10/restrictedcapabilities"
+  xmlns:uap5="http://schemas.microsoft.com/appx/manifest/uap/windows10/5"
   xmlns:uap18="http://schemas.microsoft.com/appx/manifest/uap/windows10/18"
   IgnorableNamespaces="uap rescap uap18">
 
-  <Identity
-    Name="37412.BetterLyrics"
-    Publisher="CN=E1428B0E-DC1D-4EA4-ACB1-4556569D5BA9"
-    Version="1.0.7.0" />
+	<Identity
+	  Name="37412.BetterLyrics"
+	  Publisher="CN=E1428B0E-DC1D-4EA4-ACB1-4556569D5BA9"
+	  Version="1.0.40.0" />
 
-  <mp:PhoneIdentity PhoneProductId="ca4a4830-fc19-40d9-b823-53e2bff3d816" PhonePublisherId="00000000-0000-0000-0000-000000000000"/>
+	<mp:PhoneIdentity PhoneProductId="ca4a4830-fc19-40d9-b823-53e2bff3d816" PhonePublisherId="00000000-0000-0000-0000-000000000000"/>
 
-  <Properties>
-    <DisplayName>BetterLyrics</DisplayName>
-    <PublisherDisplayName>founchoo</PublisherDisplayName>
-    <Logo>Images\StoreLogo.png</Logo>
-  </Properties>
+	<Properties>
+		<DisplayName>BetterLyrics</DisplayName>
+		<PublisherDisplayName>founchoo</PublisherDisplayName>
+		<Logo>Images\StoreLogo.png</Logo>
+	</Properties>
 
-  <Dependencies>
-    <TargetDeviceFamily Name="Windows.Universal" MinVersion="10.0.19041.0" MaxVersionTested="10.0.26100.0" />
-    <TargetDeviceFamily Name="Windows.Desktop" MinVersion="10.0.19041.0" MaxVersionTested="10.0.26100.0" />
-  </Dependencies>
+	<Dependencies>
+		<TargetDeviceFamily Name="Windows.Universal" MinVersion="10.0.19041.0" MaxVersionTested="10.0.26100.0" />
+		<TargetDeviceFamily Name="Windows.Desktop" MinVersion="10.0.19041.0" MaxVersionTested="10.0.26100.0" />
+	</Dependencies>
 
-  <Resources>
-	  <Resource Language="en-US"/>
-	  <Resource Language="zh-CN"/>
-	  <Resource Language="zh-TW"/>
-	  <Resource Language="ja-JP"/>
-	  <Resource Language="ko-KR"/>
-  </Resources>
+	<Resources>
+		<Resource Language="en-US"/>
+		<Resource Language="zh-CN"/>
+		<Resource Language="zh-TW"/>
+		<Resource Language="ja-JP"/>
+		<Resource Language="ko-KR"/>
+	</Resources>
 
-  <Applications>
-    <Application Id="App"
-      Executable="$targetnametoken$.exe"
-      EntryPoint="$targetentrypoint$">
-      <uap:VisualElements
-        DisplayName="BetterLyrics"
-        Description="BetterLyrics.WinUI3 (Package)"
-        BackgroundColor="transparent"
-        Square150x150Logo="Images\Square150x150Logo.png"
-        Square44x44Logo="Images\Square44x44Logo.png">
-        <uap:DefaultTile Wide310x150Logo="Images\Wide310x150Logo.png"  Square71x71Logo="Images\SmallTile.png" Square310x310Logo="Images\LargeTile.png"/>
-        <uap:SplashScreen Image="Images\SplashScreen.png" />
-      </uap:VisualElements>
-    </Application>
-  </Applications>
+	<Applications>
+		<Application Id="App"
+		  Executable="$targetnametoken$.exe"
+		  EntryPoint="$targetentrypoint$">
+			<uap:VisualElements
+			  DisplayName="BetterLyrics"
+			  Description="BetterLyrics.WinUI3 (Package)"
+			  BackgroundColor="transparent"
+			  Square150x150Logo="Images\Square150x150Logo.png"
+			  Square44x44Logo="Images\Square44x44Logo.png">
+				<uap:DefaultTile Wide310x150Logo="Images\Wide310x150Logo.png"  Square71x71Logo="Images\SmallTile.png" Square310x310Logo="Images\LargeTile.png"/>
+				<uap:SplashScreen Image="Images\SplashScreen.png" />
+			</uap:VisualElements>
+			<Extensions>
+				<uap5:Extension
+				  Category="windows.startupTask">
+					<uap5:StartupTask
+					  TaskId="AutoStartup"
+					  Enabled="false"
+					  DisplayName="BetterLyrics" />
+				</uap5:Extension>
+			</Extensions>
+		</Application>
+	</Applications>
 
-  <Capabilities>
-    <rescap:Capability Name="runFullTrust" />
-  </Capabilities>
+	<Capabilities>
+		<rescap:Capability Name="runFullTrust" />
+	</Capabilities>
 </Package>

BetterLyrics.WinUI3/BetterLyrics.WinUI3/App.xaml

@@ -12,6 +12,7 @@
             <ResourceDictionary.MergedDictionaries>
                 <XamlControlsResources xmlns="using:Microsoft.UI.Xaml.Controls" />
                 <ResourceDictionary Source="ms-appx:///CommunityToolkit.WinUI.Controls.SettingsControls/SettingsExpander/SettingsExpander.xaml" />
+                <ResourceDictionary Source="ms-appx:///CommunityToolkit.WinUI.Controls.Segmented/Segmented/Segmented.xaml" />
                 <!--  Other merged dictionaries here  -->
             </ResourceDictionary.MergedDictionaries>
 
@@ -47,13 +48,16 @@
             <converter:IntToCornerRadius x:Key="IntToCornerRadius" />
             <converter:CornerRadiusToDoubleConverter x:Key="CornerRadiusToDoubleConverter" />
             <converter:LyricsSearchProviderToDisplayNameConverter x:Key="LyricsSearchProviderToDisplayNameConverter" />
+            <converter:TranslationSearchProviderToDisplayNameConverter x:Key="TranslationSearchProviderToDisplayNameConverter" />
+            <converter:AlbumArtSearchProviderToDisplayNameConverter x:Key="AlbumArtSearchProviderToDisplayNameConverter" />
+            <converter:SecondsToFormattedTimeConverter x:Key="SecondsToFormattedTimeConverter" />
             <converters:BoolToVisibilityConverter x:Key="BoolToVisibilityConverter" />
             <converters:BoolNegationConverter x:Key="BoolNegationConverter" />
             <converters:ColorToDisplayNameConverter x:Key="ColorToDisplayNameConverter" />
 
             <x:Double x:Key="SettingsCardSpacing">4</x:Double>
 
-            <!--  Style (inc. the correct spacing) of a section header  -->
+            <!--  Style  -->
             <Style
                 x:Key="SettingsSectionHeaderTextBlockStyle"
                 BasedOn="{StaticResource BodyStrongTextBlockStyle}"
@@ -63,36 +67,243 @@
                 </Style.Setters>
             </Style>
             <Style x:Key="TitleBarButtonStyle" TargetType="Button">
-                <Setter Property="VerticalAlignment" Value="Stretch" />
+                <Setter Property="VerticalAlignment" Value="Top" />
                 <Setter Property="CornerRadius" Value="4" />
                 <Setter Property="BorderThickness" Value="0" />
-                <Setter Property="Padding" Value="16,0" />
+                <Setter Property="Padding" Value="16,9,16,11" />
+                <Setter Property="Margin" Value="0" />
                 <Setter Property="Background" Value="Transparent" />
             </Style>
             <Style x:Key="GhostButtonStyle" TargetType="Button">
                 <Setter Property="VerticalAlignment" Value="Stretch" />
+                <Setter Property="Padding" Value="8" />
                 <Setter Property="CornerRadius" Value="4" />
                 <Setter Property="BorderThickness" Value="0" />
                 <Setter Property="Background" Value="Transparent" />
             </Style>
-            <Style x:Key="TitleBarToggleButtonStyle" TargetType="ToggleButton">
+            <Style
+                x:Key="TitleBarToggleButtonStyle"
+                BasedOn="{StaticResource ToggleButtonRevealStyle}"
+                TargetType="ToggleButton">
                 <Setter Property="CornerRadius" Value="4" />
                 <Setter Property="VerticalAlignment" Value="Stretch" />
                 <Setter Property="BorderThickness" Value="0" />
-                <Setter Property="Padding" Value="16,0" />
+                <Setter Property="Padding" Value="16,9,16,11" />
                 <Setter Property="Background" Value="Transparent" />
             </Style>
             <Style x:Key="GhostToggleButtonStyle" TargetType="ToggleButton">
                 <Setter Property="CornerRadius" Value="4" />
                 <Setter Property="VerticalAlignment" Value="Stretch" />
                 <Setter Property="BorderThickness" Value="0" />
+                <Setter Property="Padding" Value="8" />
                 <Setter Property="Background" Value="Transparent" />
             </Style>
+            <Style x:Key="CardGridStyle" TargetType="Grid">
+                <Setter Property="Background" Value="{ThemeResource CardBackgroundFillColorDefaultBrush}" />
+                <Setter Property="BorderBrush" Value="{ThemeResource CardStrokeColorDefaultBrush}" />
+                <Setter Property="BorderThickness" Value="1" />
+                <Setter Property="CornerRadius" Value="6" />
+            </Style>
+
+            <Style x:Key="GhostSliderStyle" TargetType="Slider">
+                <Setter Property="Background" Value="{ThemeResource ControlStrokeColorOnAccentDefaultBrush}" />
+                <Setter Property="BorderThickness" Value="{ThemeResource SliderBorderThemeThickness}" />
+                <Setter Property="Foreground" Value="{ThemeResource TextFillColorPrimaryBrush}" />
+                <Setter Property="FontFamily" Value="{ThemeResource ContentControlThemeFontFamily}" />
+                <Setter Property="FontSize" Value="{ThemeResource ControlContentThemeFontSize}" />
+                <Setter Property="ManipulationMode" Value="None" />
+                <Setter Property="UseSystemFocusVisuals" Value="{StaticResource UseSystemFocusVisuals}" />
+                <Setter Property="FocusVisualMargin" Value="-7,0,-7,0" />
+                <Setter Property="IsFocusEngagementEnabled" Value="True" />
+                <Setter Property="Template">
+                    <Setter.Value>
+                        <ControlTemplate TargetType="Slider">
+                            <Grid Margin="{TemplateBinding Padding}">
+                                <Grid.Resources>
+                                    <Style x:Key="SliderThumbStyle" TargetType="Thumb">
+                                        <Setter Property="BorderThickness" Value="0" />
+                                        <Setter Property="Background" Value="{ThemeResource TextFillColorPrimaryBrush}" />
+                                        <Setter Property="Template">
+                                            <Setter.Value>
+                                                <ControlTemplate TargetType="Thumb">
+                                                    <Border
+                                                        Background="{TemplateBinding Background}"
+                                                        BorderBrush="{TemplateBinding BorderBrush}"
+                                                        BorderThickness="{TemplateBinding BorderThickness}"
+                                                        CornerRadius="0,1,1,0" />
+                                                </ControlTemplate>
+                                            </Setter.Value>
+                                        </Setter>
+                                    </Style>
+                                </Grid.Resources>
+
+                                <Grid.RowDefinitions>
+                                    <RowDefinition Height="Auto" />
+                                    <RowDefinition Height="*" />
+                                </Grid.RowDefinitions>
+                                <ContentPresenter
+                                    x:Name="HeaderContentPresenter"
+                                    Grid.Row="0"
+                                    Margin="{ThemeResource SliderTopHeaderMargin}"
+                                    x:DeferLoadStrategy="Lazy"
+                                    Content="{TemplateBinding Header}"
+                                    ContentTemplate="{TemplateBinding HeaderTemplate}"
+                                    FontWeight="{ThemeResource SliderHeaderThemeFontWeight}"
+                                    Foreground="{ThemeResource SliderHeaderForeground}"
+                                    TextWrapping="Wrap"
+                                    Visibility="Collapsed" />
+                                <Grid
+                                    x:Name="SliderContainer"
+                                    Grid.Row="1"
+                                    Background="{ThemeResource SliderContainerBackground}"
+                                    Control.IsTemplateFocusTarget="True">
+                                    <Grid x:Name="HorizontalTemplate" MinHeight="{ThemeResource SliderHorizontalHeight}">
+
+                                        <Grid.ColumnDefinitions>
+                                            <ColumnDefinition Width="Auto" />
+                                            <ColumnDefinition Width="Auto" />
+                                            <ColumnDefinition Width="*" />
+                                        </Grid.ColumnDefinitions>
+
+                                        <Grid.RowDefinitions>
+                                            <RowDefinition Height="{ThemeResource SliderPreContentMargin}" />
+                                            <RowDefinition Height="Auto" />
+                                            <RowDefinition Height="{ThemeResource SliderPostContentMargin}" />
+                                        </Grid.RowDefinitions>
+                                        <Rectangle
+                                            x:Name="HorizontalTrackRect"
+                                            Grid.Row="1"
+                                            Grid.ColumnSpan="3"
+                                            Height="2"
+                                            Fill="{TemplateBinding Background}" />
+                                        <Rectangle
+                                            x:Name="HorizontalDecreaseRect"
+                                            Grid.Row="1"
+                                            Fill="{TemplateBinding Foreground}" />
+                                        <TickBar
+                                            x:Name="TopTickBar"
+                                            Grid.ColumnSpan="3"
+                                            Height="{ThemeResource SliderOutsideTickBarThemeHeight}"
+                                            Margin="0,0,0,4"
+                                            VerticalAlignment="Bottom"
+                                            Fill="{ThemeResource SliderTickBarFill}"
+                                            Visibility="Collapsed" />
+                                        <TickBar
+                                            x:Name="HorizontalInlineTickBar"
+                                            Grid.Row="1"
+                                            Grid.ColumnSpan="3"
+                                            Height="2"
+                                            Fill="{ThemeResource SliderInlineTickBarFill}"
+                                            Visibility="Collapsed" />
+                                        <TickBar
+                                            x:Name="BottomTickBar"
+                                            Grid.Row="2"
+                                            Grid.ColumnSpan="3"
+                                            Height="{ThemeResource SliderOutsideTickBarThemeHeight}"
+                                            Margin="0,4,0,0"
+                                            VerticalAlignment="Top"
+                                            Fill="{ThemeResource SliderTickBarFill}"
+                                            Visibility="Collapsed" />
+                                        <Thumb
+                                            x:Name="HorizontalThumb"
+                                            Grid.Row="0"
+                                            Grid.RowSpan="3"
+                                            Grid.Column="1"
+                                            Width="2"
+                                            Height="2"
+                                            AutomationProperties.AccessibilityView="Raw"
+                                            DataContext="{TemplateBinding Value}"
+                                            FocusVisualMargin="-14,-6,-14,-6"
+                                            Style="{StaticResource SliderThumbStyle}" />
+                                    </Grid>
+                                    <Grid
+                                        x:Name="VerticalTemplate"
+                                        MinWidth="{ThemeResource SliderVerticalWidth}"
+                                        Visibility="Collapsed">
+
+                                        <Grid.RowDefinitions>
+                                            <RowDefinition Height="*" />
+                                            <RowDefinition Height="Auto" />
+                                            <RowDefinition Height="Auto" />
+                                        </Grid.RowDefinitions>
+
+                                        <Grid.ColumnDefinitions>
+                                            <ColumnDefinition Width="{ThemeResource SliderPreContentMargin}" />
+                                            <ColumnDefinition Width="Auto" />
+                                            <ColumnDefinition Width="{ThemeResource SliderPostContentMargin}" />
+                                        </Grid.ColumnDefinitions>
+                                        <Rectangle
+                                            x:Name="VerticalTrackRect"
+                                            Grid.RowSpan="3"
+                                            Grid.Column="1"
+                                            Width="{ThemeResource SliderTrackThemeHeight}"
+                                            Fill="{TemplateBinding Background}" />
+                                        <Rectangle
+                                            x:Name="VerticalDecreaseRect"
+                                            Grid.Row="2"
+                                            Grid.Column="1"
+                                            Fill="{TemplateBinding Foreground}" />
+                                        <TickBar
+                                            x:Name="LeftTickBar"
+                                            Grid.RowSpan="3"
+                                            Width="{ThemeResource SliderOutsideTickBarThemeHeight}"
+                                            Margin="0,0,4,0"
+                                            HorizontalAlignment="Right"
+                                            Fill="{ThemeResource SliderTickBarFill}"
+                                            Visibility="Collapsed" />
+                                        <TickBar
+                                            x:Name="VerticalInlineTickBar"
+                                            Grid.RowSpan="3"
+                                            Grid.Column="1"
+                                            Width="{ThemeResource SliderTrackThemeHeight}"
+                                            Fill="{ThemeResource SliderInlineTickBarFill}"
+                                            Visibility="Collapsed" />
+                                        <TickBar
+                                            x:Name="RightTickBar"
+                                            Grid.RowSpan="3"
+                                            Grid.Column="2"
+                                            Width="{ThemeResource SliderOutsideTickBarThemeHeight}"
+                                            Margin="4,0,0,0"
+                                            HorizontalAlignment="Left"
+                                            Fill="{ThemeResource SliderTickBarFill}"
+                                            Visibility="Collapsed" />
+                                        <Thumb
+                                            x:Name="VerticalThumb"
+                                            Grid.Row="1"
+                                            Grid.Column="0"
+                                            Grid.ColumnSpan="3"
+                                            Width="24"
+                                            Height="8"
+                                            AutomationProperties.AccessibilityView="Raw"
+                                            DataContext="{TemplateBinding Value}"
+                                            FocusVisualMargin="-6,-14,-6,-14"
+                                            Style="{StaticResource SliderThumbStyle}" />
+                                    </Grid>
+
+                                </Grid>
+
+                            </Grid>
+
+                        </ControlTemplate>
+                    </Setter.Value>
+                </Setter>
+            </Style>
+
+            <Style x:Key="ListViewStretchedItemContainerStyle" TargetType="ListViewItem">
+                <Setter Property="HorizontalContentAlignment" Value="Stretch" />
+                <Setter Property="Margin" Value="0" />
+                <Setter Property="Padding" Value="0" />
+            </Style>
+
+            <StaticResource x:Key="ToggleButtonBackgroundChecked" ResourceKey="TextFillColorPrimaryBrush" />
+            <StaticResource x:Key="ToggleButtonBackgroundCheckedPointerOver" ResourceKey="TextFillColorPrimaryBrush" />
+            <StaticResource x:Key="ToggleButtonBackgroundCheckedPressed" ResourceKey="TextFillColorPrimaryBrush" />
 
             <!--  Dimensions  -->
 
             <!--  Fonts  -->
-            <FontFamily x:Key="IconFontFamily">Segoe Fluent Icons, Segoe MDL2 Assets</FontFamily>
+            <FontFamily x:Key="IconFontFamily">ms-appx:///Assets/Segoe Fluent Icons.ttf#Segoe Fluent Icons</FontFamily>
         </ResourceDictionary>
     </Application.Resources>
+
 </Application>

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

@@ -1,10 +1,5 @@
 // 2025/6/23 by Zhe Fang
 
-using System;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-using BetterInAppLyrics.WinUI3.ViewModels;
 using BetterLyrics.WinUI3.Enums;
 using BetterLyrics.WinUI3.Helper;
 using BetterLyrics.WinUI3.Services;
@@ -15,8 +10,17 @@ using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
 using Microsoft.UI.Dispatching;
 using Microsoft.UI.Xaml;
+using Microsoft.UI.Xaml.Controls;
 using Microsoft.Windows.ApplicationModel.Resources;
 using Serilog;
+using ShadowViewer.Controls;
+using System;
+using System.Diagnostics;
+using System.Linq;
+using System.Text;
+using System.Threading;
+using System.Threading.Tasks;
+using Vanara.PInvoke;
 
 namespace BetterLyrics.WinUI3
 {
@@ -30,6 +34,11 @@ namespace BetterLyrics.WinUI3
         public static DispatcherQueueTimer? DispatcherQueueTimer { get; private set; }
         public static ResourceLoader? ResourceLoader { get; private set; }
 
+        public NotificationPanel? LyricsWindowNotificationPanel { get; set; }
+        public NotificationPanel? SettingsWindowNotificationPanel { get; set; }
+
+        private static Mutex? _instanceMutex;
+
         public App()
         {
             this.InitializeComponent();
@@ -38,11 +47,13 @@ namespace BetterLyrics.WinUI3
             DispatcherQueueTimer = DispatcherQueue.CreateTimer();
             ResourceLoader = new ResourceLoader();
 
+            EnsureSingleInstance();
+
             Encoding.RegisterProvider(CodePagesEncodingProvider.Instance);
-            AppInfo.EnsureDirectories();
+            PathHelper.EnsureDirectories();
             ConfigureServices();
 
-            _logger = Ioc.Default.GetService<ILogger<App>>()!;
+            _logger = Ioc.Default.GetRequiredService<ILogger<App>>();
 
             UnhandledException += App_UnhandledException;
             AppDomain.CurrentDomain.UnhandledException += CurrentDomain_UnhandledException;
@@ -50,28 +61,35 @@ namespace BetterLyrics.WinUI3
             TaskScheduler.UnobservedTaskException += TaskScheduler_UnobservedTaskException;
         }
 
+        private void EnsureSingleInstance()
+        {
+            bool createdNew;
+            _instanceMutex = new Mutex(true, MetadataHelper.AppName, out createdNew);
+
+            if (!createdNew)
+            {
+                User32.MessageBox(HWND.NULL, ResourceLoader!.GetString("TryRunMultipleInstance"), null, User32.MB_FLAGS.MB_APPLMODAL);
+                Environment.Exit(0);
+            }
+        }
+
         protected override void OnLaunched(LaunchActivatedEventArgs args)
         {
-            WindowHelper.OpenOrShowWindow<LyricsWindow>();
-            var lyricsWindow = WindowHelper.GetWindowByWindowType<LyricsWindow>();
+            WindowHelper.OpenWindow<LyricsWindow>();
 
-            string[] commandLineArguments = Environment.GetCommandLineArgs();
-            if (commandLineArguments.Length > 1)
+            var lyricsWindow = WindowHelper.GetWindowByWindowType<LyricsWindow>();
+            if (lyricsWindow != null)
             {
-                commandLineArguments = commandLineArguments.Skip(1).ToArray();
-                if (commandLineArguments.First() == AppInfo.UnlockWindowTag)
-                {
-                    lyricsWindow.AutoSelectLyricsMode(AutoStartWindowType.DesktopMode, false);
-                    return;
-                }
+                lyricsWindow.ViewModel.InitLockHotKey();
+                lyricsWindow.AutoSelectLyricsMode();
             }
-            lyricsWindow.AutoSelectLyricsMode();
         }
+
         private static void ConfigureServices()
         {
             Log.Logger = new LoggerConfiguration()
-                .MinimumLevel.Debug()
-                .WriteTo.File(AppInfo.LogFilePattern, rollingInterval: RollingInterval.Day)
+                .MinimumLevel.Is(Serilog.Events.LogEventLevel.Verbose)
+                .WriteTo.File(PathHelper.LogFilePattern, rollingInterval: RollingInterval.Day)
                 .CreateLogger();
 
             // Register services
@@ -85,16 +103,18 @@ namespace BetterLyrics.WinUI3
                     // Services
                     .AddSingleton<ISettingsService, SettingsService>()
                     .AddSingleton<IPlaybackService, PlaybackService>()
-                    .AddSingleton<IMusicSearchService, MusicSearchService>()
+                    .AddSingleton<IAlbumArtSearchService, AlbumArtSearchService>()
+                    .AddSingleton<ILyricsSearchService, LyricsSearchService>()
                     .AddSingleton<ILibWatcherService, LibWatcherService>()
+                    .AddSingleton<ITranslateService, TranslateService>()
                     // ViewModels
                     .AddSingleton<LyricsWindowViewModel>()
                     .AddSingleton<SettingsWindowViewModel>()
                     .AddSingleton<SystemTrayViewModel>()
                     .AddSingleton<SettingsPageViewModel>()
                     .AddSingleton<LyricsPageViewModel>()
+                    .AddSingleton<MusicGalleryViewModel>()
                     .AddSingleton<LyricsRendererViewModel>()
-                    .AddSingleton<LyricsSettingsControlViewModel>()
                     .BuildServiceProvider()
             );
         }
@@ -107,7 +127,7 @@ namespace BetterLyrics.WinUI3
 
         private void CurrentDomain_FirstChanceException(object? sender, System.Runtime.ExceptionServices.FirstChanceExceptionEventArgs e)
         {
-            //_logger.LogError(e.Exception, "CurrentDomain_FirstChanceException");
+            _logger.LogError(e.Exception, "CurrentDomain_FirstChanceException");
         }
 
         private void CurrentDomain_UnhandledException(object sender, System.UnhandledExceptionEventArgs e)
@@ -117,7 +137,7 @@ namespace BetterLyrics.WinUI3
 
         private void TaskScheduler_UnobservedTaskException(object? sender, UnobservedTaskExceptionEventArgs e)
         {
-            //_logger.LogError(e.Exception, "TaskScheduler_UnobservedTaskException");
+            _logger.LogError(e.Exception, "TaskScheduler_UnobservedTaskException");
         }
     }
 }

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

@@ -1,114 +1,170 @@
 <Project Sdk="Microsoft.NET.Sdk">
-  <PropertyGroup>
-    <OutputType>WinExe</OutputType>
-    <TargetFramework>net8.0-windows10.0.26100.0</TargetFramework>
-    <TargetPlatformMinVersion>10.0.19041.0</TargetPlatformMinVersion>
-    <RootNamespace>BetterLyrics.WinUI3</RootNamespace>
-    <Platforms>x86;x64;ARM64</Platforms>
-    <RuntimeIdentifiers>win-x86;win-x64;win-arm64</RuntimeIdentifiers>
-    <UseWinUI>true</UseWinUI>
-    <Nullable>enable</Nullable>
-    <LangVersion>preview</LangVersion>
-  </PropertyGroup>
-  <ItemGroup>
-    <Compile Remove="ViewModels\Lyrics\**" />
-    <Content Remove="ViewModels\Lyrics\**" />
-    <EmbeddedResource Remove="ViewModels\Lyrics\**" />
-    <None Remove="ViewModels\Lyrics\**" />
-    <Page Remove="ViewModels\Lyrics\**" />
-    <PRIResource Remove="ViewModels\Lyrics\**" />
-  </ItemGroup>
-  <ItemGroup>
-    <None Remove="Controls\SystemTray.xaml" />
-    <None Remove="Views\SettingsWindow.xaml" />
-  </ItemGroup>
-  <ItemGroup>
-    <Content Include="Logo.ico" />
-  </ItemGroup>
-  <ItemGroup>
-    <Manifest Include="$(ApplicationManifest)" />
-  </ItemGroup>
-  <ItemGroup>
-    <PackageReference Include="CommunityToolkit.Labs.WinUI.MarqueeText" Version="0.1.230830" />
-    <PackageReference Include="CommunityToolkit.Labs.WinUI.OpacityMaskView" Version="0.1.250513-build.2126" />
-    <PackageReference Include="CommunityToolkit.Mvvm" Version="8.4.0" />
-    <PackageReference Include="CommunityToolkit.WinUI.Behaviors" Version="8.2.250402" />
-    <PackageReference Include="CommunityToolkit.WinUI.Controls.Primitives" Version="8.2.250402" />
-    <PackageReference Include="CommunityToolkit.WinUI.Controls.Segmented" Version="8.2.250402" />
-    <PackageReference Include="CommunityToolkit.WinUI.Controls.SettingsControls" Version="8.2.250402" />
-    <PackageReference Include="CommunityToolkit.WinUI.Converters" Version="8.2.250402" />
-    <PackageReference Include="CommunityToolkit.WinUI.Extensions" Version="8.2.250402" />
-    <PackageReference Include="CommunityToolkit.WinUI.Helpers" Version="8.2.250402" />
-    <PackageReference Include="CommunityToolkit.WinUI.Media" Version="8.2.250402" />
-    <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="9.0.6" />
-    <PackageReference Include="Microsoft.Extensions.Logging" Version="9.0.6" />
-    <PackageReference Include="Microsoft.Graphics.Win2D" Version="1.3.2" />
-    <PackageReference Include="Microsoft.Windows.SDK.BuildTools" Version="10.0.26100.4188" />
-    <PackageReference Include="Microsoft.WindowsAppSDK" Version="1.7.250606001" />
-    <PackageReference Include="Microsoft.Xaml.Behaviors.WinUI.Managed" Version="3.0.0" />
-    <PackageReference Include="Serilog.Extensions.Logging" Version="9.0.2" />
-    <PackageReference Include="Serilog.Sinks.File" Version="7.0.0" />
-    <PackageReference Include="SixLabors.ImageSharp" Version="3.1.10" />
-    <PackageReference Include="System.Drawing.Common" Version="9.0.6" />
-    <PackageReference Include="System.Text.Encoding.CodePages" Version="9.0.6" />
-    <PackageReference Include="TagLibSharp" Version="2.3.0" />
-    <PackageReference Include="Ude.NetStandard" Version="1.2.0" />
-    <PackageReference Include="Vanara.PInvoke.Gdi32" Version="4.1.6" />
-    <PackageReference Include="Vanara.PInvoke.Shell32" Version="4.1.6" />
-    <PackageReference Include="Vanara.PInvoke.User32" Version="4.1.6" />
-    <PackageReference Include="WinUIEx" Version="2.6.0" />
-    <PackageReference Include="z440.atl.core" Version="7.0.0" />
-  </ItemGroup>
-  <ItemGroup>
-    <Page Update="Rendering\InAppLyricsRenderer.xaml">
-      <Generator>MSBuild:Compile</Generator>
-    </Page>
-  </ItemGroup>
-  <ItemGroup>
-    <Page Update="Rendering\DesktopLyricsRenderer.xaml">
-      <Generator>MSBuild:Compile</Generator>
-    </Page>
-  </ItemGroup>
-  <!--Disable Trimming for Specific Packages-->
-  <ItemGroup>
-    <TrimmerRootAssembly Include="TagLibSharp" />
-  </ItemGroup>
-  <ItemGroup>
-    <Page Update="Views\SettingsWindow.xaml">
-      <Generator>MSBuild:Compile</Generator>
-    </Page>
-  </ItemGroup>
-  <ItemGroup>
-    <Page Update="Controls\SystemTray.xaml">
-      <Generator>MSBuild:Compile</Generator>
-    </Page>
-  </ItemGroup>
-  <!-- Publish Properties -->
-  <PropertyGroup>
-    <PublishReadyToRun Condition="'$(Configuration)' == 'Debug'">False</PublishReadyToRun>
-    <PublishReadyToRun Condition="'$(Configuration)' != 'Debug'">True</PublishReadyToRun>
-    <PublishTrimmed Condition="'$(Configuration)' == 'Debug'">False</PublishTrimmed>
-    <PublishTrimmed Condition="'$(Configuration)' != 'Debug'">True</PublishTrimmed>
-    <SupportedOSPlatformVersion>10.0.19041.0</SupportedOSPlatformVersion>
-  </PropertyGroup>
-  <PropertyGroup>
-    <DefineConstants>$(DefineConstants)</DefineConstants>
-    <ApplicationManifest>app.manifest</ApplicationManifest>
-    <ApplicationIcon>Logo.ico</ApplicationIcon>
-    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-    <ShouldCreateLogs>True</ShouldCreateLogs>
-    <AdvancedSettingsExpanded>True</AdvancedSettingsExpanded>
-    <UpdateAssemblyVersion>False</UpdateAssemblyVersion>
-    <UpdateAssemblyFileVersion>False</UpdateAssemblyFileVersion>
-    <UpdateAssemblyInfoVersion>False</UpdateAssemblyInfoVersion>
-    <UpdatePackageVersion>True</UpdatePackageVersion>
-    <AssemblyInfoVersionType>SettingsVersion</AssemblyInfoVersionType>
-    <InheritWinAppVersionFrom>AssemblyVersion</InheritWinAppVersionFrom>
-    <PackageVersionSettings>AssemblyVersion.None.None</PackageVersionSettings>
-    <Version>2025.6.0</Version>
-    <AssemblyVersion>2025.6.18.0110</AssemblyVersion>
-    <FileVersion>2025.6.18.0110</FileVersion>
-  </PropertyGroup>
+	<PropertyGroup>
+		<OutputType>WinExe</OutputType>
+		<TargetFramework>net8.0-windows10.0.26100.0</TargetFramework>
+		<TargetPlatformMinVersion>10.0.19041.0</TargetPlatformMinVersion>
+		<RootNamespace>BetterLyrics.WinUI3</RootNamespace>
+		<Platforms>x86;x64;ARM64</Platforms>
+		<RuntimeIdentifiers>win-x86;win-x64;win-arm64</RuntimeIdentifiers>
+		<UseWinUI>true</UseWinUI>
+		<Nullable>enable</Nullable>
+		<LangVersion>preview</LangVersion>
+		<BuiltInComInteropSupport>true</BuiltInComInteropSupport>
+	</PropertyGroup>
+	<ItemGroup>
+		<Compile Remove="ViewModels\Lyrics\**" />
+		<Content Remove="ViewModels\Lyrics\**" />
+		<EmbeddedResource Remove="ViewModels\Lyrics\**" />
+		<None Remove="ViewModels\Lyrics\**" />
+		<Page Remove="ViewModels\Lyrics\**" />
+		<PRIResource Remove="ViewModels\Lyrics\**" />
+	</ItemGroup>
+	<ItemGroup>
+		<None Remove="Assets\Segoe Fluent Icons.ttf" />
+		<None Remove="Assets\Wiki82.profile.xml" />
+		<None Remove="Controls\SystemTray.xaml" />
+		<None Remove="Views\MusicGalleryPage.xaml" />
+		<None Remove="Views\MusicGalleryWindow.xaml" />
+		<None Remove="Views\SettingsWindow.xaml" />
+	</ItemGroup>
+	<ItemGroup>
+		<Content Include="Logo.ico" />
+	</ItemGroup>
+	<ItemGroup>
+		<Manifest Include="$(ApplicationManifest)" />
+	</ItemGroup>
+	<ItemGroup>
+		<PackageReference Include="3v.EvtSource" Version="2.0.0" />
+		<PackageReference Include="ColorThief.ImageSharp" Version="1.0.0" />
+		<PackageReference Include="CommunityToolkit.Labs.WinUI.MarqueeText" Version="0.1.230830" />
+		<PackageReference Include="CommunityToolkit.Labs.WinUI.OpacityMaskView" Version="0.1.250703-build.2173" />
+		<PackageReference Include="CommunityToolkit.Labs.WinUI.Shimmer" Version="0.1.250703-build.2173" />
+		<PackageReference Include="CommunityToolkit.Mvvm" Version="8.4.0" />
+		<PackageReference Include="CommunityToolkit.WinUI.Behaviors" Version="8.2.250402" />
+		<PackageReference Include="CommunityToolkit.WinUI.Controls.MetadataControl" Version="8.2.250402" />
+		<PackageReference Include="CommunityToolkit.WinUI.Controls.Primitives" Version="8.2.250402" />
+		<PackageReference Include="CommunityToolkit.WinUI.Controls.Segmented" Version="8.2.250402" />
+		<PackageReference Include="CommunityToolkit.WinUI.Controls.SettingsControls" Version="8.2.250402" />
+		<PackageReference Include="CommunityToolkit.WinUI.Controls.Sizers" Version="8.2.250402" />
+		<PackageReference Include="CommunityToolkit.WinUI.Converters" Version="8.2.250402" />
+		<PackageReference Include="CommunityToolkit.WinUI.Extensions" Version="8.2.250402" />
+		<PackageReference Include="CommunityToolkit.WinUI.Helpers" Version="8.2.250402" />
+		<PackageReference Include="CommunityToolkit.WinUI.Media" Version="8.2.250402" />
+		<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.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" />
+		<PackageReference Include="Nito.AsyncEx" Version="5.1.2" />
+		<PackageReference Include="Nito.AsyncEx.Tasks" Version="5.1.2" />
+		<PackageReference Include="NTextCat" Version="0.3.65" />
+		<PackageReference Include="Serilog.Extensions.Logging" Version="9.0.3-dev-02320" />
+		<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="TagLibSharp" Version="2.3.0" />
+		<PackageReference Include="TinyPinyin.Net" Version="1.0.2" />
+		<PackageReference Include="Ude.NetStandard" Version="1.2.0" />
+		<PackageReference Include="Vanara.PInvoke.CoreAudio" Version="4.1.6" />
+		<PackageReference Include="Vanara.PInvoke.DwmApi" Version="4.1.6" />
+		<PackageReference Include="Vanara.PInvoke.Gdi32" Version="4.1.6" />
+		<PackageReference Include="Vanara.PInvoke.Shell32" Version="4.1.6" />
+		<PackageReference Include="Vanara.PInvoke.User32" Version="4.1.6" />
+		<PackageReference Include="WinUIEx" Version="2.6.0" />
+		<PackageReference Include="z440.atl.core" Version="7.2.0" />
+	</ItemGroup>
+	<ItemGroup>
+		<Page Update="Rendering\InAppLyricsRenderer.xaml">
+			<Generator>MSBuild:Compile</Generator>
+		</Page>
+	</ItemGroup>
+	<ItemGroup>
+		<Page Update="Rendering\DesktopLyricsRenderer.xaml">
+			<Generator>MSBuild:Compile</Generator>
+		</Page>
+	</ItemGroup>
+	<!--Disable Trimming for Specific Packages-->
+	<ItemGroup>
+		<TrimmerRootAssembly Include="TagLibSharp" />
+	</ItemGroup>
+	<ItemGroup>
+	  <Content Update="Assets\Discord.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\Logo.ico">
+	    <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+	  </Content>
+	  <Content Update="Assets\Logo.png">
+	    <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+	  </Content>
+	  <Content Update="Assets\QQ.png">
+	    <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+	  </Content>
+	  <Content Update="Assets\Segoe Fluent Icons.ttf">
+	    <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+	  </Content>
+	  <Content Update="Assets\Telegram.png">
+	    <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+	  </Content>
+	  <Content Update="Assets\Wiki82.profile.xml">
+	    <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+	  </Content>
+	</ItemGroup>
+	<ItemGroup>
+	  <Page Update="Views\MusicGalleryWindow.xaml">
+	    <Generator>MSBuild:Compile</Generator>
+	  </Page>
+	</ItemGroup>
+	<ItemGroup>
+	  <Page Update="Views\MusicGalleryPage.xaml">
+	    <Generator>MSBuild:Compile</Generator>
+	  </Page>
+	</ItemGroup>
+	<ItemGroup>
+		<Page Update="Views\SettingsWindow.xaml">
+			<Generator>MSBuild:Compile</Generator>
+		</Page>
+	</ItemGroup>
+	<ItemGroup>
+		<Page Update="Controls\SystemTray.xaml">
+			<Generator>MSBuild:Compile</Generator>
+		</Page>
+	</ItemGroup>
+	<!-- Publish Properties -->
+	<PropertyGroup>
+		<PublishReadyToRun Condition="'$(Configuration)' == 'Debug'">False</PublishReadyToRun>
+		<PublishReadyToRun Condition="'$(Configuration)' != 'Debug'">True</PublishReadyToRun>
+		<PublishTrimmed Condition="'$(Configuration)' == 'Debug'">False</PublishTrimmed>
+		<PublishTrimmed Condition="'$(Configuration)' != 'Debug'">True</PublishTrimmed>
+		<SupportedOSPlatformVersion>10.0.19041.0</SupportedOSPlatformVersion>
+	</PropertyGroup>
+	<PropertyGroup>
+		<DefineConstants>$(DefineConstants)</DefineConstants>
+		<ApplicationManifest>app.manifest</ApplicationManifest>
+		<ApplicationIcon>Logo.ico</ApplicationIcon>
+		<AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+		<ShouldCreateLogs>True</ShouldCreateLogs>
+		<AdvancedSettingsExpanded>True</AdvancedSettingsExpanded>
+		<UpdateAssemblyVersion>False</UpdateAssemblyVersion>
+		<UpdateAssemblyFileVersion>False</UpdateAssemblyFileVersion>
+		<UpdateAssemblyInfoVersion>False</UpdateAssemblyInfoVersion>
+		<UpdatePackageVersion>True</UpdatePackageVersion>
+		<AssemblyInfoVersionType>SettingsVersion</AssemblyInfoVersionType>
+		<InheritWinAppVersionFrom>AssemblyVersion</InheritWinAppVersionFrom>
+		<PackageVersionSettings>AssemblyVersion.None.None</PackageVersionSettings>
+		<Version>2025.6.0</Version>
+		<AssemblyVersion>2025.6.18.0110</AssemblyVersion>
+		<FileVersion>2025.6.18.0110</FileVersion>
+	</PropertyGroup>
 </Project>

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Controls/SystemTray.xaml

@@ -14,7 +14,9 @@
         x:Name="TrayIcon"
         x:FieldModifier="public"
         ContextMenuMode="SecondWindow"
+        DoubleClickCommand="{x:Bind ViewModel.OpenLyricsWindowCommand}"
         IconSource="ms-appx:///Assets/Logo.ico"
+        LeftClickCommand="{x:Bind ViewModel.OpenLyricsWindowCommand}"
         NoLeftClickDelay="True"
         ToolTipText="{x:Bind ViewModel.ToolTipText, Mode=OneWay}">
         <tb:TaskbarIcon.ContextFlyout>
@@ -22,7 +24,10 @@
                 AreOpenCloseAnimationsEnabled="True"
                 LightDismissOverlayMode="On"
                 ShowMode="TransientWithDismissOnPointerMoveAway">
+                <MenuFlyoutItem x:Uid="SystemTrayMusicGallery" Command="{x:Bind ViewModel.OpenMusicGalleryCommand}" />
                 <MenuFlyoutItem x:Uid="SystemTraySettings" Command="{x:Bind ViewModel.OpenSettingsCommand}" />
+                <MenuFlyoutItem x:Uid="SystemTrayResetWindowPosition" Command="{x:Bind ViewModel.ResetWindowPositionCommand}" />
+                <MenuFlyoutItem x:Uid="SystemTrayRestart" Command="{x:Bind ViewModel.RestartAppCommand}" />
                 <MenuFlyoutItem x:Uid="SystemTrayExit" Command="{x:Bind ViewModel.ExitAppCommand}" />
                 <MenuFlyoutItem
                     x:Uid="SystemTrayUnlock"

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Converter/AlbumArtSearchProviderToDisplayNameConverter.cs

@@ -0,0 +1,33 @@
+using BetterLyrics.WinUI3.Enums;
+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 partial class AlbumArtSearchProviderToDisplayNameConverter : IValueConverter
+    {
+        public object Convert(object value, Type targetType, object parameter, string language)
+        {
+            if (value is AlbumArtSearchProvider provider)
+            {
+                return provider switch
+                {
+                    AlbumArtSearchProvider.Local => App.ResourceLoader!.GetString("AlbumArtSearchLocalProvider"),
+                    AlbumArtSearchProvider.SMTC => App.ResourceLoader!.GetString("AlbumArtSearchSMTCProvider"),
+                    AlbumArtSearchProvider.iTunes => "iTunes",
+                    _ => throw new Exception($"Unknown AlbumArtSearchProvider: {provider}"),
+                };
+            }
+            throw new ArgumentException("Value must be of type AlbumArtSearchProvider", nameof(value));
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, string language)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Converter/CornerRadiusToDoubleConverter.cs

@@ -3,7 +3,7 @@ using Microsoft.UI.Xaml.Data;
 
 namespace BetterLyrics.WinUI3.Converter
 {
-    internal partial class CornerRadiusToDoubleConverter : IValueConverter
+    public partial class CornerRadiusToDoubleConverter : IValueConverter
     {
         public object Convert(object value, Type targetType, object parameter, string language)
         {

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Converter/EnumToIntConverter.cs

@@ -5,7 +5,7 @@ using Microsoft.UI.Xaml.Data;
 
 namespace BetterLyrics.WinUI3.Converter
 {
-    internal partial class EnumToIntConverter : IValueConverter
+    public partial class EnumToIntConverter : IValueConverter
     {
         public object Convert(object value, Type targetType, object parameter, string language)
         {

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

@@ -14,19 +14,19 @@ namespace BetterLyrics.WinUI3.Converter
             {
                 return provider switch
                 {
-                    LyricsSearchProvider.LrcLib => App.ResourceLoader!.GetString("LyricsSearchProviderLrcLib"),
-                    LyricsSearchProvider.QQ => App.ResourceLoader!.GetString("LyricsSearchProviderQQ"),
-                    LyricsSearchProvider.Netease => App.ResourceLoader!.GetString("LyricsSearchProviderNetease"),
-                    LyricsSearchProvider.Kugou => App.ResourceLoader!.GetString("LyricsSearchProviderKugou"),
-                    LyricsSearchProvider.AmllTtmlDb => App.ResourceLoader!.GetString("LyricsSearchProviderAmllTtmlDb"),
+                    LyricsSearchProvider.LrcLib => "LrcLib",
+                    LyricsSearchProvider.QQ => "QQ",
+                    LyricsSearchProvider.Netease => "Netease",
+                    LyricsSearchProvider.Kugou => "Kugou",
+                    LyricsSearchProvider.AmllTtmlDb => "amll-ttml-db",
                     LyricsSearchProvider.LocalLrcFile => App.ResourceLoader!.GetString("LyricsSearchProviderLocalLrcFile"),
                     LyricsSearchProvider.LocalMusicFile => App.ResourceLoader!.GetString("LyricsSearchProviderLocalMusicFile"),
                     LyricsSearchProvider.LocalEslrcFile => App.ResourceLoader!.GetString("LyricsSearchProviderEslrcFile"),
                     LyricsSearchProvider.LocalTtmlFile => App.ResourceLoader!.GetString("LyricsSearchProviderTtmlFile"),
-                    _ => "",
+                    _ => "N/A",
                 };
             }
-            return "";
+            return "N/A";
         }
 
         public object ConvertBack(object value, Type targetType, object parameter, string language)

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Converter/SecondsToFormattedTimeConverter.cs

@@ -0,0 +1,30 @@
+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 partial class SecondsToFormattedTimeConverter : IValueConverter
+    {
+        public object Convert(object value, Type targetType, object parameter, string language)
+        {
+            if (value is double seconds)
+            {
+                return TimeSpan.FromSeconds(seconds).ToString(@"mm\:ss");
+            }
+            else if (value is int secondsInt)
+            {
+                return TimeSpan.FromSeconds(secondsInt).ToString(@"mm\:ss");
+            }
+            return value?.ToString() ?? "";
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, string language)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Converter/TranslationSearchProviderToDisplayNameConverter.cs

@@ -0,0 +1,38 @@
+// 2025/6/23 by Zhe Fang
+
+using System;
+using BetterLyrics.WinUI3.Enums;
+using Microsoft.UI.Xaml.Data;
+
+namespace BetterLyrics.WinUI3.Converter
+{
+    public partial class TranslationSearchProviderToDisplayNameConverter : IValueConverter
+    {
+        public object Convert(object value, Type targetType, object parameter, string language)
+        {
+            if (value is TranslationSearchProvider provider)
+            {
+                return provider switch
+                {
+                    TranslationSearchProvider.LrcLib => "LrcLib",
+                    TranslationSearchProvider.QQ => "QQ",
+                    TranslationSearchProvider.Netease => "Netease",
+                    TranslationSearchProvider.Kugou => "Kugou",
+                    TranslationSearchProvider.AmllTtmlDb => "amll-ttml-db",
+                    TranslationSearchProvider.LocalLrcFile => App.ResourceLoader!.GetString("LyricsSearchProviderLocalLrcFile"),
+                    TranslationSearchProvider.LocalMusicFile => App.ResourceLoader!.GetString("LyricsSearchProviderLocalMusicFile"),
+                    TranslationSearchProvider.LocalEslrcFile => App.ResourceLoader!.GetString("LyricsSearchProviderEslrcFile"),
+                    TranslationSearchProvider.LocalTtmlFile => App.ResourceLoader!.GetString("LyricsSearchProviderTtmlFile"),
+                    TranslationSearchProvider.LibreTranslate => "LibreTranslate",
+                    _ => "N/A",
+                };
+            }
+            return "N/A";
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, string language)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Enums/AlbumArtSearchProvider.cs

@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace BetterLyrics.WinUI3.Enums
+{
+    public enum AlbumArtSearchProvider
+    {
+        Local,
+        SMTC,
+        iTunes,
+    }
+}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Enums/CommonSongProperty.cs

@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace BetterLyrics.WinUI3.Enums
+{
+    public enum CommonSongProperty
+    {
+        Title,
+        Album,
+        Artist
+    }
+}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Enums/DockPlacement.cs

@@ -0,0 +1,27 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace BetterLyrics.WinUI3.Enums
+{
+    public enum DockPlacement
+    {
+        Top,
+        Bottom
+    }
+
+    public static class DockPlacementExtensions
+    {
+        public static WindowPixelSampleMode ToWindowPixelSampleMode(this DockPlacement placement)
+        {
+            return placement switch
+            {
+                DockPlacement.Top => WindowPixelSampleMode.BelowWindow,
+                DockPlacement.Bottom => WindowPixelSampleMode.AboveWindow,
+                _ => throw new ArgumentOutOfRangeException(nameof(placement), placement, null)
+            };
+        }
+    }
+}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Enums/EasingType.cs

@@ -4,12 +4,17 @@ namespace BetterLyrics.WinUI3.Enums
 {
     public enum EasingType
     {
-        EaseInOutQuad,
-        EaseInQuad,
-        EaseOutQuad,
-        EaseInOutExpo,
         Linear,
         SmoothStep,
-        SmootherStep,
+        EaseInOutSine,
+        EaseInOutQuad,
+        EaseInOutCubic,
+        EaseInOutQuart,
+        EaseInOutQuint,
+        EaseInOutExpo,
+        EaseInOutCirc,
+        EaseInOutBack,
+        EaseInOutElastic,
+        EaseInOutBounce,
     }
 }

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Enums/LineRenderingType.cs

@@ -4,7 +4,8 @@ namespace BetterLyrics.WinUI3.Enums
 {
     public enum LineRenderingType
     {
-        UntilCurrentChar,
-        CurrentCharOnly,
+        CurrentChar,
+        LineStartToCurrentChar,
+        CurrentLine
     }
 }

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Enums/LyricsAlignmentType.cs

@@ -1,11 +0,0 @@
-// 2025/6/23 by Zhe Fang
-
-namespace BetterLyrics.WinUI3.Enums
-{
-    public enum LyricsAlignmentType
-    {
-        Left,
-        Center,
-        Right,
-    }
-}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Enums/LyricsDisplayType.cs

@@ -7,6 +7,5 @@ namespace BetterLyrics.WinUI3.Enums
         AlbumArtOnly,
         LyricsOnly,
         SplitView,
-        PlaceholderOnly,
     }
 }

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Enums/LyricsFormat.cs

@@ -16,13 +16,36 @@ namespace BetterLyrics.WinUI3.Enums
     {
         public static LyricsFormat? DetectFormat(this string content)
         {
-            if (content.StartsWith("<?xml") && System.Text.RegularExpressions.Regex.IsMatch(content, @"<tt(:\w+)?\b"))
+            if (string.IsNullOrWhiteSpace(content))
+                return null;
+
+            // TTML: 检查 <tt ... xmlns="http://www.w3.org/ns/ttml"
+            if (System.Text.RegularExpressions.Regex.IsMatch(
+                    content,
+                    @"<tt\b[^>]*\bxmlns\s*=\s*[""']http://www\.w3\.org/ns/ttml[""']",
+                    System.Text.RegularExpressions.RegexOptions.IgnoreCase))
             {
                 return LyricsFormat.Ttml;
             }
-            // 检测标准LRC和增强型LRC
-            else if (System.Text.RegularExpressions.Regex.IsMatch(content, @"\[\d{1,2}:\d{2}")
-                || System.Text.RegularExpressions.Regex.IsMatch(content, @"<\d{1,2}:\d{2}\.\d{2,3}>"))
+            // KRC: 检测主内容格式 [start,duration]<offset,duration,0>字...
+            else if (System.Text.RegularExpressions.Regex.IsMatch(
+                         content,
+                         @"^\[\d+,\d+\](<\d+,\d+,0>.+)+",
+                         System.Text.RegularExpressions.RegexOptions.Multiline))
+            {
+                return LyricsFormat.Krc;
+            }
+            // QRC: 检测主内容格式 [start,duration]字(offset,duration)
+            else if (System.Text.RegularExpressions.Regex.IsMatch(
+                         content,
+                         @"^\[\d+,\d+\].*?\(\d+,\d+\)",
+                         System.Text.RegularExpressions.RegexOptions.Multiline))
+            {
+                return LyricsFormat.Qrc;
+            }
+            // 标准LRC和增强型LRC
+            else if (System.Text.RegularExpressions.Regex.IsMatch(content, @"\[\d{1,2}:\d{2}") ||
+                     System.Text.RegularExpressions.Regex.IsMatch(content, @"<\d{1,2}:\d{2}\.\d{2,3}>"))
             {
                 return LyricsFormat.Lrc;
             }

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Enums/LyricsLayoutOrientation.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace BetterLyrics.WinUI3.Enums
+{
+    public enum LyricsLayoutOrientation
+    {
+        Horizontal,
+        Vertical,
+    }
+}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Enums/LyricsSearchProvider.cs

@@ -23,11 +23,11 @@ namespace BetterLyrics.WinUI3.Enums
         {
             return provider switch
             {
-                LyricsSearchProvider.LrcLib => AppInfo.LrcLibLyricsCacheDirectory,
-                LyricsSearchProvider.QQ => AppInfo.QQLyricsCacheDirectory,
-                LyricsSearchProvider.Netease => AppInfo.NeteaseLyricsCacheDirectory,
-                LyricsSearchProvider.Kugou => AppInfo.KugouLyricsCacheDirectory,
-                LyricsSearchProvider.AmllTtmlDb => AppInfo.AmllTtmlDbLyricsCacheDirectory,
+                LyricsSearchProvider.LrcLib => PathHelper.LrcLibLyricsCacheDirectory,
+                LyricsSearchProvider.QQ => PathHelper.QQLyricsCacheDirectory,
+                LyricsSearchProvider.Netease => PathHelper.NeteaseLyricsCacheDirectory,
+                LyricsSearchProvider.Kugou => PathHelper.KugouLyricsCacheDirectory,
+                LyricsSearchProvider.AmllTtmlDb => PathHelper.AmllTtmlDbLyricsCacheDirectory,
                 _ => throw new System.ArgumentOutOfRangeException(nameof(provider)),
             };
         }
@@ -61,5 +61,22 @@ namespace BetterLyrics.WinUI3.Enums
         {
             return !provider.IsLocal();
         }
+
+        public static TranslationSearchProvider? ToTranslationSearchProvider(this LyricsSearchProvider? provider)
+        {
+            return provider switch
+            {
+                LyricsSearchProvider.LrcLib => TranslationSearchProvider.LrcLib,
+                LyricsSearchProvider.QQ => TranslationSearchProvider.QQ,
+                LyricsSearchProvider.Kugou => TranslationSearchProvider.Kugou,
+                LyricsSearchProvider.Netease => TranslationSearchProvider.Netease,
+                LyricsSearchProvider.AmllTtmlDb => TranslationSearchProvider.AmllTtmlDb,
+                LyricsSearchProvider.LocalMusicFile => TranslationSearchProvider.LocalMusicFile,
+                LyricsSearchProvider.LocalLrcFile => TranslationSearchProvider.LocalLrcFile,
+                LyricsSearchProvider.LocalEslrcFile => TranslationSearchProvider.LocalEslrcFile,
+                LyricsSearchProvider.LocalTtmlFile => TranslationSearchProvider.LocalTtmlFile,
+                _ => null,
+            };
+        }
     }
 }

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Enums/MusicSearchMatchMode.cs

@@ -1,10 +0,0 @@
-// 2025/6/23 by Zhe Fang
-
-namespace BetterLyrics.WinUI3.Enums
-{
-    public enum MusicSearchMatchMode
-    {
-        TitleAndArtist,
-        TitleArtistAlbumAndDuration,
-    }
-}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Enums/PlaybackOrder.cs

@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace BetterLyrics.WinUI3.Enums
+{
+    public enum PlaybackOrder
+    {
+        RepeatAll,
+        RepeatOne,
+        Shuffle,
+    }
+}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Enums/TextAlignmentType.cs

@@ -0,0 +1,28 @@
+// 2025/6/23 by Zhe Fang
+
+using Microsoft.Graphics.Canvas.Text;
+using System;
+
+namespace BetterLyrics.WinUI3.Enums
+{
+    public enum TextAlignmentType
+    {
+        Left,
+        Center,
+        Right,
+    }
+
+    public static class LyricsAlignmentTypeExtensions
+    {
+        public static CanvasHorizontalAlignment ToCanvasHorizontalAlignment(this TextAlignmentType alignmentType)
+        {
+            return alignmentType switch
+            {
+                TextAlignmentType.Left => CanvasHorizontalAlignment.Left,
+                TextAlignmentType.Center => CanvasHorizontalAlignment.Center,
+                TextAlignmentType.Right => CanvasHorizontalAlignment.Right,
+                _ => throw new ArgumentOutOfRangeException(nameof(alignmentType), alignmentType, null),
+            };
+        }
+    }
+}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Enums/TranslationSearchProvider.cs

@@ -0,0 +1,22 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace BetterLyrics.WinUI3.Enums
+{
+    public enum TranslationSearchProvider
+    {
+        QQ,
+        Kugou,
+        Netease,
+        LrcLib,
+        AmllTtmlDb,
+        LocalMusicFile,
+        LocalLrcFile,
+        LocalEslrcFile,
+        LocalTtmlFile,
+        LibreTranslate,
+    }
+}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Enums/WindowPixelSampleMode.cs

@@ -1,8 +1,9 @@
 namespace BetterLyrics.WinUI3.Enums
 {
-    public enum WindowColorSampleMode
+    public enum WindowPixelSampleMode
     {
         BelowWindow,
+        AboveWindow,
         WindowArea,
         WindowEdge,
     }

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

@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Windows.Graphics.Imaging;
+using Windows.UI;
+
+namespace BetterLyrics.WinUI3.Events
+{
+    public class AlbumArtChangedEventArgs(SoftwareBitmap? albumArtSwBitmap, Color? albumArtLightAccentColor, Color? albumArtDarkAccentColor) : EventArgs
+    {
+        public SoftwareBitmap? AlbumArtSwBitmap { get; set; } = albumArtSwBitmap;
+        public Color? AlbumArtLightAccentColor { get; set; } = albumArtLightAccentColor;
+        public Color? AlbumArtDarkAccentColor { get; set; } = albumArtDarkAccentColor;
+    }
+}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Events/MediaSourceProvidersInfoEventArgs.cs

@@ -0,0 +1,14 @@
+using BetterLyrics.WinUI3.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace BetterLyrics.WinUI3.Events
+{
+    public class MediaSourceProvidersInfoEventArgs(List<MediaSourceProviderInfo> sessionIds):EventArgs
+    {
+        public List<MediaSourceProviderInfo> MediaSourceProviersInfo { get; set; } = sessionIds;
+    }
+}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Events/TimelineChangedEventArgs.cs

@@ -4,8 +4,9 @@ using System;
 
 namespace BetterLyrics.WinUI3.Events
 {
-    public class PositionChangedEventArgs(TimeSpan position) : EventArgs()
+    public class TimelineChangedEventArgs(TimeSpan position, TimeSpan end) : EventArgs()
     {
         public TimeSpan Position { get; set; } = position;
+        public TimeSpan End { get; set; } = end;
     }
 }

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Helper/AppInfo.cs

@@ -1,70 +0,0 @@
-// 2025/6/23 by Zhe Fang
-
-namespace BetterLyrics.WinUI3.Helper
-{
-    using System;
-    using System.IO;
-    using System.Reflection;
-    using System.Threading.Tasks;
-    using Windows.ApplicationModel;
-    using Windows.Storage;
-    using Windows.Storage.FileProperties;
-
-    public static class AppInfo
-    {
-        public const string AppAuthor = "Zhe Fang";
-        public const string AppDisplayName = "Better Lyrics";
-        public const string AppName = "BetterLyrics";
-        public static string AppVersion
-        {
-            get
-            {
-                var version = Package.Current.Id.Version;
-                return $"{version.Major}.{version.Minor}.{version.Build}.{version.Revision}";
-            }
-        }
-
-        public const string GithubUrl = "https://github.com/jayfunc/BetterLyrics";
-
-
-        public const string UnlockWindowTag = "UnlockWindow";
-
-        public static string AmllTtmlDbIndexPath => Path.Combine(CacheFolder, "amll-ttml-db-index.json");
-        public static string AmllTtmlDbLyricsCacheDirectory => Path.Combine(CacheFolder, "amll-ttml-db-lyrics");
-
-        public static string AssetsFolder => Path.Combine(Package.Current.InstalledPath, "Assets");
-        public static string CacheFolder => ApplicationData.Current.LocalCacheFolder.Path;
-        public static string KugouLyricsCacheDirectory => Path.Combine(CacheFolder, "kugou-lyrics");
-        public static string LogDirectory => Path.Combine(CacheFolder, "logs");
-        public static string LogFilePattern => Path.Combine(LogDirectory, "log-.txt");
-        public static string LrcLibLyricsCacheDirectory => Path.Combine(CacheFolder, "lrclib-lyrics");
-        public static string NeteaseLyricsCacheDirectory => Path.Combine(CacheFolder, "netease-lyrics");
-        public static string QQLyricsCacheDirectory => Path.Combine(CacheFolder, "qq-lyrics");
-        private static string LocalFolder => ApplicationData.Current.LocalFolder.Path;
-
-        public static void EnsureDirectories()
-        {
-            Directory.CreateDirectory(LocalFolder);
-            Directory.CreateDirectory(LogDirectory);
-            Directory.CreateDirectory(LrcLibLyricsCacheDirectory);
-            Directory.CreateDirectory(QQLyricsCacheDirectory);
-            Directory.CreateDirectory(KugouLyricsCacheDirectory);
-            Directory.CreateDirectory(NeteaseLyricsCacheDirectory);
-            Directory.CreateDirectory(AmllTtmlDbLyricsCacheDirectory);
-        }
-
-        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/AppWindowHelper.cs

@@ -0,0 +1,19 @@
+using Microsoft.UI.Windowing;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace BetterLyrics.WinUI3.Helper
+{
+    public static class AppWindowHelper
+    {
+        public static void SetIcons(this AppWindow appWindow)
+        {
+            appWindow.SetIcon(PathHelper.LogoPath);
+            appWindow.SetTaskbarIcon(PathHelper.LogoPath);
+            appWindow.SetTitleBarIcon(PathHelper.LogoPath);
+        }
+    }
+}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Helper/CollectionHelper.cs

@@ -1,15 +1,51 @@
-// 2025/6/23 by Zhe Fang
-
+using ATL;
+using BetterLyrics.WinUI3.Models;
+using BetterLyrics.WinUI3.Services;
+using System;
+using System.Collections;
 using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
 
 namespace BetterLyrics.WinUI3.Helper
 {
     public static class CollectionHelper
     {
-        public static T? SafeGet<T>(this IList<T> list, int index)
+        public static ObservableCollection<GroupInfoList> GetGroupedBy<T>(
+            this IEnumerable<T> items,
+            Func<T, object> groupKeySelector,
+            Func<object, object>? orderSelector = null)
         {
-            if (list == null || index < 0 || index >= list.Count) return default;
-            return list[index];
+            var query = from item in items
+                        group item by groupKeySelector(item) into g
+                        orderby g.Key
+                        select new GroupInfoList(g.Cast<object>(), orderSelector) { Key = g.Key };
+
+            return new ObservableCollection<GroupInfoList>(query);
         }
+
+        public static void AddRange<T>(this ICollection<T> collection, IEnumerable<T> items)
+        {
+            if (collection == null) return;
+            if (items == null) return;
+            foreach (var item in items)
+            {
+                collection.Add(item);
+            }
+        }
+
+        public static void InsertRange<T>(this IList<T> list, int index, IEnumerable<T> items)
+        {
+            if (list == null) return;
+            if (items == null) return;
+            if (index < 0 || index > list.Count) return;
+            foreach (var item in items)
+            {
+                list.Insert(index++, item);
+            }
+        }
+
     }
 }

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Helper/ColorHelper.cs

@@ -1,10 +1,17 @@
 // 2025/6/23 by Zhe Fang
 
-using System;
+using BetterLyrics.WinUI3.Enums;
 using Microsoft.UI;
 using Microsoft.UI.Xaml;
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Imaging;
+using Vanara.PInvoke;
 using Windows.UI;
 
+using Color = Windows.UI.Color;
+
 namespace BetterLyrics.WinUI3.Helper
 {
     public static class ColorHelper
@@ -81,5 +88,164 @@ namespace BetterLyrics.WinUI3.Helper
         {
             return Color.FromArgb(color.A, color.R, color.G, color.B);
         }
+
+        public static Color WithAlpha(this Color color, byte alpha)
+        {
+            return Color.FromArgb(alpha, color.R, color.G, color.B);
+        }
+
+        public static Color WithBrightness(this Color color, double brightness)
+        {
+            // 确保亮度因子在合理范围内
+            brightness = Math.Max(0, Math.Min(1, brightness));
+
+            var hsl = CommunityToolkit.WinUI.Helpers.ColorHelper.ToHsl(color);
+            double h = hsl.H;
+            double s = hsl.S;
+
+            return CommunityToolkit.WinUI.Helpers.ColorHelper.FromHsl(h, s, brightness);
+        }
+
+        public static System.Drawing.Color GetAccentColor(IntPtr myHwnd, string monitorDeviceName, WindowPixelSampleMode mode)
+        {
+            if (!User32.GetWindowRect(myHwnd, out RECT myRect)) return System.Drawing.Color.Transparent;
+
+            var monitorInfo = MonitorHelper.GetMonitorInfoExFromDeviceName(monitorDeviceName);
+            int screenWidth = monitorInfo.rcMonitor.Width;
+            switch (mode)
+            {
+                case WindowPixelSampleMode.BelowWindow:
+                    {
+                        int sampleHeight = 1;
+                        int sampleY = myRect.Bottom + 1;
+                        return GetAverageColorFromScreenRegion(myRect.Left, sampleY, screenWidth, sampleHeight);
+                    }
+                case WindowPixelSampleMode.AboveWindow:
+                    {
+                        int sampleHeight = 1;
+                        int sampleY = myRect.Top - 1;
+                        return GetAverageColorFromScreenRegion(myRect.Left, sampleY, screenWidth, sampleHeight);
+                    }
+                case WindowPixelSampleMode.WindowArea:
+                    {
+                        int width = myRect.Right - myRect.Left;
+                        int height = myRect.Bottom - myRect.Top;
+                        if (width <= 0 || height <= 0)
+                            return System.Drawing.Color.Transparent;
+                        // 采集窗口区域的平均色
+                        return GetAverageColorFromScreenRegion(myRect.Left, myRect.Top, width, height);
+                    }
+                case WindowPixelSampleMode.WindowEdge:
+                    {
+                        int width = myRect.Right - myRect.Left;
+                        int height = myRect.Bottom - myRect.Top;
+                        if (width <= 0 || height <= 0)
+                            return System.Drawing.Color.Transparent;
+
+                        var edgeThickness = new Thickness(36, 0, 36, 0);
+                        List<System.Drawing.Color> edgeColors = [];
+
+                        // Top edge
+                        if (edgeThickness.Top > 0 && edgeThickness.Top < height)
+                            edgeColors.Add(
+                                GetAverageColorFromScreenRegion(
+                                    myRect.Left,
+                                    myRect.Top,
+                                    width,
+                                    (int)edgeThickness.Top
+                                )
+                            );
+                        // Bottom edge
+                        if (edgeThickness.Bottom > 0 && edgeThickness.Bottom < height)
+                            edgeColors.Add(
+                                GetAverageColorFromScreenRegion(
+                                    myRect.Left,
+                                    myRect.Bottom - (int)edgeThickness.Bottom,
+                                    width,
+                                    (int)edgeThickness.Bottom
+                                )
+                            );
+                        // Left edge
+                        if (edgeThickness.Left > 0 && edgeThickness.Left < width)
+                            edgeColors.Add(
+                                GetAverageColorFromScreenRegion(
+                                    myRect.Left,
+                                    myRect.Top + (int)edgeThickness.Top,
+                                    (int)edgeThickness.Left,
+                                    height - (int)edgeThickness.Top - (int)edgeThickness.Bottom
+                                )
+                            );
+                        // Right edge
+                        if (edgeThickness.Right > 0 && edgeThickness.Right < width)
+                            edgeColors.Add(
+                                GetAverageColorFromScreenRegion(
+                                    myRect.Right - (int)edgeThickness.Right,
+                                    myRect.Top + (int)edgeThickness.Top,
+                                    (int)edgeThickness.Right,
+                                    height - (int)edgeThickness.Top - (int)edgeThickness.Bottom
+                                )
+                            );
+
+                        // 合并四边平均色
+                        if (edgeColors.Count == 0)
+                            return System.Drawing.Color.Transparent;
+                        long r = 0,
+                            g = 0,
+                            b = 0;
+                        foreach (var c in edgeColors)
+                        {
+                            r += c.R;
+                            g += c.G;
+                            b += c.B;
+                        }
+                        return System.Drawing.Color.FromArgb(
+                            255,
+                            (int)(r / edgeColors.Count),
+                            (int)(g / edgeColors.Count),
+                            (int)(b / edgeColors.Count)
+                        );
+                    }
+                default:
+                    return System.Drawing.Color.Transparent;
+            }
+        }
+
+        private static System.Drawing.Color GetAverageColorFromScreenRegion(int x, int y, int width, int height)
+        {
+            using Bitmap bmp = new(width, height, PixelFormat.Format32bppArgb);
+            using Graphics gDest = Graphics.FromImage(bmp);
+
+            IntPtr hdcDest = gDest.GetHdc();
+            IntPtr hdcSrc = (nint)User32.GetDC(IntPtr.Zero); // Entire screen
+
+            Gdi32.BitBlt(hdcDest, 0, 0, width, height, hdcSrc, x, y, Gdi32.RasterOperationMode.SRCCOPY);
+
+            gDest.ReleaseHdc(hdcDest);
+            User32.ReleaseDC(IntPtr.Zero, hdcSrc);
+
+            return ComputeAverageColor(bmp);
+        }
+
+        private static System.Drawing.Color ComputeAverageColor(Bitmap bmp)
+        {
+            long r = 0, g = 0, b = 0;
+            int count = 0;
+
+            for (int y = 0; y < bmp.Height; y++)
+            {
+                for (int x = 0; x < bmp.Width; x++)
+                {
+                    System.Drawing.Color pixel = bmp.GetPixel(x, y);
+                    r += pixel.R;
+                    g += pixel.G;
+                    b += pixel.B;
+                    count++;
+                }
+            }
+
+            if (count == 0) return System.Drawing.Color.Transparent;
+            return System.Drawing.Color.FromArgb((int)(r / count), (int)(g / count), (int)(b / count));
+        }
+
     }
 }

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

@@ -1,9 +1,12 @@
 using BetterLyrics.WinUI3.Enums;
 using BetterLyrics.WinUI3.Services;
 using CommunityToolkit.Mvvm.DependencyInjection;
+using Microsoft.UI.Windowing;
 using Microsoft.UI.Xaml;
 using System;
 using System.Collections.Generic;
+using System.Drawing;
+using System.Linq;
 using System.Runtime.InteropServices;
 using Vanara.PInvoke;
 using WinRT.Interop;
@@ -15,7 +18,6 @@ namespace BetterLyrics.WinUI3.Helper
     {
         private static readonly ISettingsService _settingsService = Ioc.Default.GetRequiredService<ISettingsService>();
 
-        private static readonly Dictionary<IntPtr, bool> _clickThroughStates = [];
         private static readonly Dictionary<IntPtr, bool> _originalTopmostStates = [];
         private static readonly Dictionary<IntPtr, (double X, double Y, double Width, double Height)> _originalWindowBounds = [];
         private static readonly Dictionary<IntPtr, WindowStyle> _originalWindowStyles = [];
@@ -34,10 +36,9 @@ namespace BetterLyrics.WinUI3.Helper
             }
 
             // <20>ָ<EFBFBD><D6B8><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD>úʹ<C3BA>С
-            var windowManager = WindowManager.Get(window);
             if (_originalWindowBounds.TryGetValue(hwnd, out var bounds))
             {
-                windowManager.AppWindow.MoveAndResize(
+                window.AppWindow.MoveAndResize(
                     new Windows.Graphics.RectInt32(
                         (int)bounds.X,
                         (int)bounds.Y,
@@ -48,13 +49,6 @@ namespace BetterLyrics.WinUI3.Helper
                 _originalWindowBounds.Remove(hwnd);
             }
 
-            // <20>ָ<EFBFBD><D6B8><EFBFBD>ʽ
-            if (_originalWindowStyles.TryGetValue(hwnd, out var style))
-            {
-                window.SetWindowStyle(style);
-                _originalWindowStyles.Remove(hwnd);
-            }
-
             window.SetIsShownInSwitchers(true);
         }
 
@@ -63,14 +57,13 @@ namespace BetterLyrics.WinUI3.Helper
             IntPtr hwnd = WindowNative.GetWindowHandle(window);
 
             // <20><>¼ԭʼ<D4AD><CABC><EFBFBD><EFBFBD>λ<EFBFBD>úʹ<C3BA>С
-            var windowManager = WindowManager.Get(window);
             if (!_originalWindowBounds.ContainsKey(hwnd))
             {
                 _originalWindowBounds[hwnd] = (
-                    windowManager.AppWindow.Position.X,
-                    windowManager.AppWindow.Position.Y,
-                    windowManager.Width,
-                    windowManager.Height
+                    window.AppWindow.Position.X,
+                    window.AppWindow.Position.Y,
+                    window.AppWindow.Size.Width,
+                    window.AppWindow.Size.Height
                 );
             }
 
@@ -81,14 +74,15 @@ namespace BetterLyrics.WinUI3.Helper
             int targetY = _settingsService.DesktopWindowTop;
 
             // <20><><EFBFBD>ô<EFBFBD><C3B4>ڴ<EFBFBD>С<EFBFBD><D0A1>λ<EFBFBD><CEBB>
-            windowManager.AppWindow.MoveAndResize(
-                new Windows.Graphics.RectInt32(targetX, targetY, targetWidth, targetHeight)
+            window.AppWindow.MoveAndResize(
+                new Windows.Graphics.RectInt32(
+                    targetX,
+                    targetY,
+                    targetWidth,
+                    targetHeight
+                )
             );
 
-            // <20><><EFBFBD><EFBFBD>ԭ<EFBFBD><D4AD>ʽ
-            if (!_originalWindowStyles.ContainsKey(hwnd))
-                _originalWindowStyles[hwnd] = window.GetWindowStyle();
-
             // <20><><EFBFBD><EFBFBD>ԭTopMost״̬
             if (!_originalTopmostStates.ContainsKey(hwnd))
                 _originalTopmostStates[hwnd] = window.GetIsAlwaysOnTop();
@@ -99,48 +93,30 @@ namespace BetterLyrics.WinUI3.Helper
             window.SetIsShownInSwitchers(false);
         }
 
-        public static void Lock(Window window)
-        {
-            window.SystemBackdrop = SystemBackdropHelper.CreateSystemBackdrop(BackdropType.Transparent);
-            
-            // <20><><EFBFBD><EFBFBD><EFBFBD>ޱ߿<DEB1><DFBF><EFBFBD>͸<EFBFBD><CDB8>
-            window.ToggleWindowStyle(true, WindowStyle.Popup | WindowStyle.Visible);
-            window.ExtendsContentIntoTitleBar = false;
-
-            SetClickThrough(window, true);
-        }
-
         public static void SetClickThrough(Window window, bool enable)
         {
             IntPtr hwnd = WindowNative.GetWindowHandle(window);
             int exStyle = User32.GetWindowLong(hwnd, User32.WindowLongFlags.GWL_EXSTYLE);
+
             if (enable)
             {
+                // <20><><EFBFBD><EFBFBD>ԭ<EFBFBD><D4AD>ʽ
+                if (!_originalWindowStyles.ContainsKey(hwnd))
+                    _originalWindowStyles[hwnd] = window.GetWindowStyle();
+
+                window.ToggleWindowStyle(true, WindowStyle.Popup | WindowStyle.Visible);
                 User32.SetWindowLong(hwnd, User32.WindowLongFlags.GWL_EXSTYLE, exStyle | (int)User32.WindowStylesEx.WS_EX_TRANSPARENT | (int)User32.WindowStylesEx.WS_EX_LAYERED);
-                _clickThroughStates[hwnd] = true;
             }
             else
             {
                 User32.SetWindowLong(hwnd, User32.WindowLongFlags.GWL_EXSTYLE, exStyle & ~(int)User32.WindowStylesEx.WS_EX_TRANSPARENT);
-                _clickThroughStates[hwnd] = false;
+                // <20>ָ<EFBFBD><D6B8><EFBFBD>ʽ
+                if (_originalWindowStyles.TryGetValue(hwnd, out var style))
+                {
+                    window.SetWindowStyle(style);
+                    _originalWindowStyles.Remove(hwnd);
+                }
             }
         }
-
-        public static void Unlock(Window window)
-        {
-            IntPtr hwnd = WindowNative.GetWindowHandle(window);
-
-            // <20>ָ<EFBFBD><D6B8><EFBFBD>ʽ<EFBFBD><CABD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƴ<EFBFBD><C6B3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽ<EFBFBD><CABD>ֻ<EFBFBD><D6BB><EFBFBD><EFBFBD> Disable ʱ<><CAB1><EFBFBD>Ƴ<EFBFBD><C6B3><EFBFBD>
-            if (_originalWindowStyles.TryGetValue(hwnd, out var style))
-            {
-                window.SetWindowStyle(style);
-            }
-            window.ExtendsContentIntoTitleBar = true;
-
-            SetClickThrough(window, false);
-
-            // To recover the system backdrop, we need to reopen the window
-            WindowHelper.RestartApp(AppInfo.UnlockWindowTag);
-        }
     }
 }

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

@@ -1,4 +1,8 @@
-using Microsoft.UI.Xaml;
+using BetterLyrics.WinUI3.Enums;
+using BetterLyrics.WinUI3.Services;
+using CommunityToolkit.Mvvm.DependencyInjection;
+using CommunityToolkit.WinUI;
+using Microsoft.UI.Xaml;
 using System;
 using System.Collections.Generic;
 using System.Drawing;
@@ -14,21 +18,29 @@ namespace BetterLyrics.WinUI3.Helper
 {
     public static class DockModeHelper
     {
+        private static readonly ISettingsService _settingsService = Ioc.Default.GetRequiredService<ISettingsService>();
+
         private static readonly HashSet<IntPtr> _registered = [];
         private static readonly Dictionary<IntPtr, RECT> _originalPositions = [];
         private static readonly Dictionary<IntPtr, WindowStyle> _originalWindowStyle = [];
 
         public static void Disable(Window window)
         {
+            IntPtr hwnd = WindowNative.GetWindowHandle(window);
+
+            if (!_registered.Contains(hwnd)) return;
+
             window.SetIsShownInSwitchers(true);
             window.ExtendsContentIntoTitleBar = true;
             window.SetIsAlwaysOnTop(false);
 
-            IntPtr hwnd = WindowNative.GetWindowHandle(window);
+            UnregisterAppBar(hwnd);
 
             window.SetWindowStyle(_originalWindowStyle[hwnd]);
             _originalWindowStyle.Remove(hwnd);
 
+            window.ExtendsContentIntoTitleBar = true;
+
             if (_originalPositions.TryGetValue(hwnd, out var rect))
             {
                 User32.SetWindowPos(
@@ -42,14 +54,11 @@ namespace BetterLyrics.WinUI3.Helper
                 );
                 _originalPositions.Remove(hwnd);
             }
-
-            UnregisterAppBar(hwnd);
         }
 
-        public static void Enable(Window window, int appBarHeight)
+        public static void Enable(Window window, string monitorDeviceName, int appBarHeight, DockPlacement dockPlacement)
         {
             window.SetIsShownInSwitchers(false);
-            window.ExtendsContentIntoTitleBar = false;
             window.SetIsAlwaysOnTop(true);
 
             IntPtr hwnd = WindowNative.GetWindowHandle(window);
@@ -58,7 +67,6 @@ namespace BetterLyrics.WinUI3.Helper
             {
                 _originalWindowStyle[hwnd] = window.GetWindowStyle();
             }
-            window.SetWindowStyle(WindowStyle.Popup | WindowStyle.Visible);
 
             if (!_originalPositions.ContainsKey(hwnd))
             {
@@ -68,40 +76,55 @@ namespace BetterLyrics.WinUI3.Helper
                 }
             }
 
-            RegisterAppBar(hwnd, appBarHeight);
+            RegisterAppBar(hwnd, monitorDeviceName, appBarHeight, dockPlacement);
+
+            var monitorInfo = MonitorHelper.GetMonitorInfoExFromDeviceName(_settingsService.DockMonitorDeviceName);
+
+            int screenWidth = monitorInfo.rcMonitor.Width;
+            int screenHeight = monitorInfo.rcMonitor.Bottom - monitorInfo.rcMonitor.Top;
+            int y = dockPlacement == DockPlacement.Top ? monitorInfo.rcMonitor.Top : monitorInfo.rcMonitor.Bottom - appBarHeight;
 
-            int screenWidth = User32.GetSystemMetrics(User32.SystemMetric.SM_CXSCREEN);
-            int screenHeight = User32.GetSystemMetrics(User32.SystemMetric.SM_CYSCREEN);
             User32.SetWindowPos(
                 hwnd,
                 IntPtr.Zero,
-                0,
-                0,
+                monitorInfo.rcMonitor.Left,
+                y,
                 screenWidth,
                 appBarHeight,
-                User32.SetWindowPosFlags.SWP_SHOWWINDOW
+                User32.SetWindowPosFlags.SWP_HIDEWINDOW
             );
+            window.ExtendsContentIntoTitleBar = false;
+            window.ToggleWindowStyle(true, WindowStyle.Popup);
+            window.Show();
         }
 
-        private static void RegisterAppBar(IntPtr hwnd, int height)
+        private static void RegisterAppBar(IntPtr hwnd, string monitorDeviceName, int height, DockPlacement dockPlacement)
         {
             if (_registered.Contains(hwnd)) return;
 
+            var uEdge = dockPlacement == DockPlacement.Top ? Shell32.ABE.ABE_TOP : Shell32.ABE.ABE_BOTTOM;
+
+            var monitorInfo = MonitorHelper.GetMonitorInfoExFromDeviceName(monitorDeviceName);
+
+            int top = dockPlacement == DockPlacement.Top ? monitorInfo.rcMonitor.Top : monitorInfo.rcMonitor.Bottom - height;
+            int bottom = dockPlacement == DockPlacement.Top ? monitorInfo.rcMonitor.Top + height : monitorInfo.rcMonitor.Bottom;
+
             Shell32.APPBARDATA abd = new()
             {
                 cbSize = (uint)Marshal.SizeOf<Shell32.APPBARDATA>(),
                 hWnd = hwnd,
-                uEdge = Shell32.ABE.ABE_TOP,
+                uEdge = uEdge,
                 rc = new RECT
                 {
-                    Left = 0,
-                    Top = 0,
-                    Right = User32.GetSystemMetrics(User32.SystemMetric.SM_CXSCREEN),
-                    Bottom = height,
+                    Left = monitorInfo.rcMonitor.Left,
+                    Top = top,
+                    Right = monitorInfo.rcMonitor.Right,
+                    Bottom = bottom,
                 },
             };
 
             Shell32.SHAppBarMessage(Shell32.ABM.ABM_NEW, ref abd);
+            Shell32.SHAppBarMessage(Shell32.ABM.ABM_QUERYPOS, ref abd);
             Shell32.SHAppBarMessage(Shell32.ABM.ABM_SETPOS, ref abd);
 
             _registered.Add(hwnd);
@@ -119,40 +142,59 @@ namespace BetterLyrics.WinUI3.Helper
             };
 
             Shell32.SHAppBarMessage(Shell32.ABM.ABM_REMOVE, ref abd);
+
             _registered.Remove(hwnd);
         }
 
-        public static void UpdateAppBarHeight(IntPtr hwnd, int newHeight)
+        public static void UpdateAppBarHeight(IntPtr hwnd, string monitorDeviceName, int newHeight, DockPlacement dockPlacement)
         {
-            if (!_registered.Contains(hwnd))
-                return;
-
-            Shell32.APPBARDATA abd = new()
+            App.DispatcherQueueTimer?.Debounce(() =>
             {
-                cbSize = (uint)Marshal.SizeOf<Shell32.APPBARDATA>(),
-                hWnd = hwnd,
-                uEdge = Shell32.ABE.ABE_TOP,
-                rc = new RECT
+                if (!_registered.Contains(hwnd))
+                    return;
+
+                var uEdge = dockPlacement == DockPlacement.Top ? Shell32.ABE.ABE_TOP : Shell32.ABE.ABE_BOTTOM;
+
+                var monitorInfo = MonitorHelper.GetMonitorInfoExFromDeviceName(monitorDeviceName);
+
+                int screenWidth = monitorInfo.rcMonitor.Width;
+                int top = dockPlacement == DockPlacement.Top ? monitorInfo.rcMonitor.Top : monitorInfo.rcMonitor.Bottom - newHeight;
+                int bottom = dockPlacement == DockPlacement.Top ? monitorInfo.rcMonitor.Top + newHeight : monitorInfo.rcMonitor.Bottom;
+
+                Shell32.APPBARDATA abd = new()
                 {
-                    Left = 0,
-                    Top = 0,
-                    Right = User32.GetSystemMetrics(User32.SystemMetric.SM_CXSCREEN),
-                    Bottom = newHeight,
-                },
-            };
+                    cbSize = (uint)Marshal.SizeOf<Shell32.APPBARDATA>(),
+                    hWnd = hwnd,
+                    uEdge = uEdge,
+                    rc = new RECT
+                    {
+                        Left = monitorInfo.rcMonitor.Left,
+                        Top = top,
+                        Right = monitorInfo.rcMonitor.Right,
+                        Bottom = bottom,
+                    },
+                };
 
-            Shell32.SHAppBarMessage(Shell32.ABM.ABM_SETPOS, ref abd);
+                Shell32.SHAppBarMessage(Shell32.ABM.ABM_QUERYPOS, ref abd);
+                Shell32.SHAppBarMessage(Shell32.ABM.ABM_SETPOS, ref abd);
 
-            // 同步窗口实际高度
-            User32.SetWindowPos(
-                hwnd,
-                IntPtr.Zero,
-                0,
-                0,
-                User32.GetSystemMetrics(User32.SystemMetric.SM_CXSCREEN),
-                newHeight,
-                User32.SetWindowPosFlags.SWP_SHOWWINDOW
-            );
+                // 同步窗口实际高度和位置
+                int y = dockPlacement == DockPlacement.Top ? monitorInfo.rcMonitor.Top : monitorInfo.rcMonitor.Bottom - newHeight;
+                int repeatCount = 2;
+                while (repeatCount > 0)
+                {
+                    repeatCount--;
+                    User32.SetWindowPos(
+                        hwnd,
+                        IntPtr.Zero,
+                        monitorInfo.rcMonitor.Left,
+                        y,
+                        screenWidth,
+                        newHeight,
+                        newHeight == 0 ? User32.SetWindowPosFlags.SWP_HIDEWINDOW : User32.SetWindowPosFlags.SWP_SHOWWINDOW
+                    );
+                }
+            }, TimeSpan.FromMilliseconds(100));
         }
     }
 }

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Helper/EasingHelper.cs

@@ -10,6 +10,29 @@ namespace BetterLyrics.WinUI3.Helper
 {
     public class EasingHelper
     {
+        public static float EaseInOutSine(float t)
+        {
+            return -(MathF.Cos(MathF.PI * t) - 1f) / 2f;
+        }
+        public static float EaseInOutQuad(float t)
+        {
+            return t < 0.5f ? 2 * t * t : -1 + (4 - 2 * t) * t;
+        }
+
+        public static float EaseInOutCubic(float t)
+        {
+            return t < 0.5f ? 4 * t * t * t : 1 - MathF.Pow(-2 * t + 2, 3) / 2;
+        }
+        public static float EaseInOutQuart(float t)
+        {
+            return t < 0.5f ? 8 * t * t * t * t : 1 - MathF.Pow(-2 * t + 2, 4) / 2;
+        }
+
+        public static float EaseInOutQuint(float t)
+        {
+            return t < 0.5f ? 16 * t * t * t * t * t : 1 - MathF.Pow(-2 * t + 2, 5) / 2;
+        }
+
         public static float EaseInOutExpo(float t)
         {
             return t == 0
@@ -20,25 +43,76 @@ namespace BetterLyrics.WinUI3.Helper
               : (2 - MathF.Pow(2, -20 * t + 10)) / 2;
         }
 
-        public static float EaseInOutQuad(float t)
+        public static float EaseInOutCirc(float t)
         {
-            return t < 0.5f ? 2 * t * t : -1 + (4 - 2 * t) * t;
+            return t < 0.5f
+              ? (1 - MathF.Sqrt(1 - MathF.Pow(2 * t, 2))) / 2
+              : (MathF.Sqrt(1 - MathF.Pow(-2 * t + 2, 2)) + 1) / 2;
         }
 
-        public static float EaseInQuad(float t) => t * t;
-
-        public static float EaseOutQuad(float t) => t * (2 - t);
-
-        public static float Linear(float t) => t;
-
-        public static float SmootherStep(float t)
+        public static float EaseInOutBack(float t)
         {
-            return t * t * t * (t * (6 * t - 15) + 10);
+            float c1 = 1.70158f;
+            float c2 = c1 * 1.525f;
+
+            return t < 0.5
+              ? (MathF.Pow(2 * t, 2) * ((c2 + 1) * 2 * t - c2)) / 2
+              : (MathF.Pow(2 * t - 2, 2) * ((c2 + 1) * (t * 2 - 2) + c2) + 2) / 2;
+        }
+
+        public static float EaseInOutElastic(float t)
+        {
+            if (t == 0 || t == 1) return t;
+            float p = 0.3f;
+            float s = p / 4;
+            return t < 0.5f
+              ? -(MathF.Pow(2, 20 * t - 10) * MathF.Sin((20 * t - 11.125f) * (2 * MathF.PI) / p)) / 2
+              : (MathF.Pow(2, -20 * t + 10) * MathF.Sin((20 * t - 11.125f) * (2 * MathF.PI) / p)) / 2 + 1;
+        }
+
+        private static float EaseOutBounce(float t)
+        {
+            if (t < 4 / 11f)
+            {
+                return (121 * t * t) / 16f;
+            }
+            else if (t < 8 / 11f)
+            {
+                return (363 / 40f * t * t) - (99 / 10f * t) + 17 / 5f;
+            }
+            else if (t < 9 / 10f)
+            {
+                return (4356 / 361f * t * t) - (35442 / 1805f * t) + 16061 / 1805f;
+            }
+            else
+            {
+                return (54 / 5f * t * t) - (513 / 25f * t) + 268 / 25f;
+            }
+        }
+
+        public static float EaseInOutBounce(float t)
+        {
+            if (t < 0.5f)
+            {
+                return (1 - EaseOutBounce(1 - 2 * t)) / 2;
+            }
+            else
+            {
+                return (1 + EaseOutBounce(2 * t - 1)) / 2;
+            }
         }
 
         public static float SmoothStep(float t)
         {
-            return t * t * (3 - 2 * t);
+            return t * t * (3f - 2f * t);
         }
+
+        public static float CubicBezier(float t, float p0, float p1, float p2, float p3)
+        {
+            float u = 1 - t;
+            return u * u * u * p0 + 3 * u * u * t * p1 + 3 * u * t * t * p2 + t * t * t * p3;
+        }
+
+        public static float Linear(float t) => t;
     }
 }

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Helper/FileHelper.cs

@@ -1,5 +1,7 @@
 // 2025/6/23 by Zhe Fang
 
+using BetterLyrics.WinUI3.Enums;
+using System;
 using System.IO;
 using System.Text;
 using Ude;
@@ -21,5 +23,60 @@ namespace BetterLyrics.WinUI3.Helper
             }
             return Encoding.GetEncoding(encoding);
         }
+
+        public static string SanitizeFileName(string fileName, char replacement = '_')
+        {
+            var invalidChars = Path.GetInvalidFileNameChars();
+            var sb = new StringBuilder(fileName.Length);
+            foreach (var c in fileName)
+            {
+                sb.Append(Array.IndexOf(invalidChars, c) >= 0 ? replacement : c);
+            }
+            return sb.ToString();
+        }
+
+        public static string? ReadLyricsCache(string title, string artist, LyricsFormat format, string cacheFolderPath)
+        {
+            var cacheFilePath = Path.Combine(cacheFolderPath, SanitizeFileName($"{artist} - {title}{format.ToFileExtension()}"));
+            if (File.Exists(cacheFilePath))
+            {
+                return File.ReadAllText(cacheFilePath);
+            }
+            return null;
+        }
+
+        public static byte[]? ReadAlbumArtCache(string album, string artist, string format, string cacheFolderPath)
+        {
+            var cacheFilePath = Path.Combine(cacheFolderPath, SanitizeFileName($"{artist} - {album}{format}"));
+            if (File.Exists(cacheFilePath))
+            {
+                return File.ReadAllBytes(cacheFilePath);
+            }
+            return null;
+        }
+
+        public static void WriteLyricsCache(string title, string artist, string lyrics, LyricsFormat format, string cacheFolderPath)
+        {
+            var cacheFilePath = Path.Combine(cacheFolderPath, SanitizeFileName($"{artist} - {title}{format.ToFileExtension()}"));
+            File.WriteAllText(cacheFilePath, lyrics);
+        }
+
+        public static void WriteAlbumArtCache(string album, string artist, byte[] img, string format, string cacheFolderPath)
+        {
+            var cacheFilePath = Path.Combine(cacheFolderPath, SanitizeFileName($"{artist} - {album}{format}"));
+            File.WriteAllBytes(cacheFilePath, img);
+        }
+
+        public static bool IsSwitchableNormalizedMatch(string fileName, string q1, string q2)
+        {
+            var normFileName = StringHelper.Normalize(fileName.Normalize());
+            var normQ1 = StringHelper.Normalize(q1);
+            var normQ2 = StringHelper.Normalize(q2);
+
+            // 常见两种顺序
+            return normFileName == normQ1 + normQ2
+                || normFileName == normQ2 + normQ1;
+        }
+
     }
 }

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

@@ -0,0 +1,20 @@
+using BetterLyrics.WinUI3.Services;
+using CommunityToolkit.Mvvm.DependencyInjection;
+using Microsoft.Graphics.Canvas.Text;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace BetterLyrics.WinUI3.Helper
+{
+    public static class FontHelper
+    {
+        private static readonly ISettingsService _settingsService = Ioc.Default.GetRequiredService<ISettingsService>();
+
+        public static string[] SystemFontFamilies => CanvasTextFormat.GetSystemFontFamilies();
+
+        public static string GetUserPreferredFontFamily() => SystemFontFamilies.ElementAtOrDefault(_settingsService.SelectedFontFamilyIndex) ?? "Segoe UI";
+    }
+}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Helper/ForegroundWindowWatcher.cs

@@ -4,37 +4,35 @@ using System.Linq;
 using System.Runtime.InteropServices;
 using System.Text;
 using System.Threading.Tasks;
+using CommunityToolkit.WinUI;
 using Microsoft.UI.Xaml;
 using Vanara.PInvoke;
 using Windows.System;
 
 namespace BetterLyrics.WinUI3.Helper
 {
-    public class ForegroundWindowWatcherHelper
+    public class ForegroundWindowWatcher
     {
         private readonly User32.WinEventProc _winEventDelegate;
         private readonly List<User32.HWINEVENTHOOK> _hooks = new();
         private HWND _currentForeground = HWND.NULL;
         private readonly IntPtr _selfHwnd;
-        private readonly DispatcherTimer _pollingTimer;
-        private DateTime _lastEventTime = DateTime.MinValue;
-        private const int ThrottleIntervalMs = 1000;
+        private readonly ThrottleHelper _winEventProcThrottle = new(TimeSpan.FromSeconds(1));
 
         public delegate void WindowChangedHandler(HWND hwnd);
         private readonly WindowChangedHandler _onWindowChanged;
 
-        public ForegroundWindowWatcherHelper(IntPtr selfHwnd, WindowChangedHandler onWindowChanged)
+        private readonly DispatcherTimer _timer;
+
+        public ForegroundWindowWatcher(IntPtr selfHwnd, WindowChangedHandler onWindowChanged)
         {
             _selfHwnd = selfHwnd;
             _onWindowChanged = onWindowChanged;
             _winEventDelegate = new User32.WinEventProc(WinEventProc);
 
-            _pollingTimer = new DispatcherTimer { Interval = TimeSpan.FromMilliseconds(200) };
-            _pollingTimer.Tick += (_, _) =>
-            {
-                if (_currentForeground != IntPtr.Zero && _currentForeground != _selfHwnd)
-                    _onWindowChanged?.Invoke(_currentForeground);
-            };
+            _timer = new DispatcherTimer();
+            _timer.Interval = TimeSpan.FromSeconds(1);
+            _timer.Tick += Timer_Tick;
         }
 
         public void Start()
@@ -65,7 +63,7 @@ namespace BetterLyrics.WinUI3.Helper
                 )
             );
 
-            _pollingTimer.Start();
+            _timer.Start();
         }
 
         public void Stop()
@@ -74,7 +72,16 @@ namespace BetterLyrics.WinUI3.Helper
                 User32.UnhookWinEvent(hook);
 
             _hooks.Clear();
-            _pollingTimer.Stop();
+
+            _timer.Stop();
+        }
+
+        private void Timer_Tick(object? sender, object e)
+        {
+            if (_currentForeground != HWND.NULL)
+            {
+                _onWindowChanged?.Invoke(_currentForeground);
+            }
         }
 
         private void WinEventProc(
@@ -87,15 +94,9 @@ namespace BetterLyrics.WinUI3.Helper
             uint dwmsEventTime
         )
         {
-            if (hwnd == IntPtr.Zero || hwnd == _selfHwnd)
+            if (hwnd == IntPtr.Zero)
                 return;
 
-            var now = DateTime.Now;
-            if ((now - _lastEventTime).TotalMilliseconds < ThrottleIntervalMs)
-                return;
-
-            _lastEventTime = now;
-
             if (eventType == User32.EventConstants.EVENT_SYSTEM_FOREGROUND)
             {
                 _currentForeground = hwnd;

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Helper/GlobalHotKeyHelper.cs

@@ -0,0 +1,46 @@
+using Microsoft.UI.Xaml;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Vanara.PInvoke;
+using Windows.System;
+using WinRT.Interop;
+
+namespace BetterLyrics.WinUI3.Helper
+{
+    public class GlobalHotKeyHelper
+    {
+        private static Dictionary<int, Action> _hotKeyActions = [];
+        private static int _nextId = 0;
+
+        public static void RegisterHotKey(Window window, User32.HotKeyModifiers modifiers, uint key, Action action)
+        {
+            HWND hwnd = WindowNative.GetWindowHandle(window);
+            int id = _nextId++;
+            User32.RegisterHotKey(hwnd, id, modifiers, key);
+            _hotKeyActions[id] = action;
+        }
+
+        public static void UnregisterAllHotKeys(Window window)
+        {
+            HWND hwnd = WindowNative.GetWindowHandle(window);
+            foreach (var id in _hotKeyActions.Keys.ToList())
+            {
+                User32.UnregisterHotKey(hwnd, id);
+                _hotKeyActions.Remove(id);
+            }
+        }
+
+        public static bool TryInvokeAction(int id)
+        {
+            if (_hotKeyActions.TryGetValue(id, out var action))
+            {
+                action?.Invoke();
+                return true;
+            }
+            return false;
+        }
+    }
+}

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

@@ -1,5 +1,14 @@
 // 2025/6/23 by Zhe Fang
 
+using CommunityToolkit.WinUI.Helpers;
+using Microsoft.Graphics.Canvas;
+using Microsoft.Graphics.Canvas.Text;
+using Microsoft.UI;
+using Microsoft.UI.Xaml.Media.Imaging;
+using SixLabors.ImageSharp;
+using SixLabors.ImageSharp.Formats.Png;
+using SixLabors.ImageSharp.PixelFormats;
+using SixLabors.ImageSharp.Processing;
 using System;
 using System.Collections.Generic;
 using System.IO;
@@ -7,10 +16,6 @@ using System.Linq;
 using System.Numerics;
 using System.Runtime.InteropServices.WindowsRuntime;
 using System.Threading.Tasks;
-using Microsoft.Graphics.Canvas;
-using Microsoft.Graphics.Canvas.Text;
-using Microsoft.UI;
-using Microsoft.UI.Xaml.Media.Imaging;
 using Windows.Graphics.Imaging;
 using Windows.Storage.Streams;
 using Windows.UI;
@@ -19,157 +24,181 @@ namespace BetterLyrics.WinUI3.Helper
 {
     public class ImageHelper
     {
-        public const int AccentColorCount = 3;
-
         public static async Task<InMemoryRandomAccessStream> ByteArrayToStream(byte[] bytes)
         {
-            var stream = new InMemoryRandomAccessStream();
+            using var stream = new InMemoryRandomAccessStream();
             await stream.WriteAsync(bytes.AsBuffer());
             stream.Seek(0);
 
             return stream;
         }
 
-        public static async Task<byte[]> CreateTextPlaceholderBytesAsync(string text, int width, int height)
+        public static RandomAccessStreamReference ByteArrayToRandomAccessStreamReference(byte[] bytes)
         {
-            var device = CanvasDevice.GetSharedDevice();
-            var renderTarget = new CanvasRenderTarget(device, width, height, 96);
+            using var stream = new InMemoryRandomAccessStream();
+            using var writer = new DataWriter(stream);
+            writer.WriteBytes(bytes);
+            writer.StoreAsync().GetAwaiter().GetResult();
+            writer.FlushAsync().GetAwaiter().GetResult();
+            writer.DetachStream();
+            return RandomAccessStreamReference.CreateFromStream(stream);
+        }
+
+        public static async Task<byte[]> CreateTextPlaceholderBytesAsync(int width, int height)
+        {
+            using var device = CanvasDevice.GetSharedDevice();
+            using var renderTarget = new CanvasRenderTarget(device, width, height, 96);
+
+            // 随机生成渐变色
+            Windows.UI.Color RandomColor()
+            {
+                var rand = new Random(Guid.NewGuid().GetHashCode());
+                double h = rand.NextDouble() * 360;
+                double s = 0.35 + rand.NextDouble() * 0.3; // 0.35~0.65，适中饱和度
+                double l = 0.5 + rand.NextDouble() * 0.3;  // 0.5~0.8，明亮
+                return CommunityToolkit.WinUI.Helpers.ColorHelper.FromHsl(h, s, l);
+            }
+
+            Windows.UI.Color color1 = RandomColor();
+            Windows.UI.Color color2 = RandomColor();
 
-            // 居中绘制文字
             using (var ds = renderTarget.CreateDrawingSession())
             {
-                // 背景色
-                ds.Clear(Colors.LightGray);
-
-                // 文字格式
-                var format = new CanvasTextFormat
+                // 绘制线性渐变背景
+                using var gradientBrush = new Microsoft.Graphics.Canvas.Brushes.CanvasLinearGradientBrush(ds, color1, color2)
                 {
-                    FontSize = Math.Min(width, height) / 6f,
-                    FontWeight = Microsoft.UI.Text.FontWeights.SemiBold,
-                    HorizontalAlignment = CanvasHorizontalAlignment.Center,
-                    VerticalAlignment = CanvasVerticalAlignment.Center,
-                    WordWrapping = CanvasWordWrapping.Wrap,
-                    TrimmingGranularity = CanvasTextTrimmingGranularity.Character,
-                    Options = CanvasDrawTextOptions.Default,
+                    StartPoint = new Vector2(0, 0),
+                    EndPoint = new Vector2(width, height)
                 };
-
-                // 设定边距
-                float margin = Math.Min(width, height) / 12f;
-                float availableWidth = width - 2 * margin;
-                float availableHeight = height - 2 * margin;
-
-                // 计算合适的字体大小以适应内容区域
-                float fontSize = format.FontSize;
-                float minFontSize = 8f;
-                float maxFontSize = format.FontSize;
-                CanvasTextLayout layout;
-                do
-                {
-                    format.FontSize = fontSize;
-                    layout = new CanvasTextLayout(
-                        ds,
-                        text,
-                        format,
-                        availableWidth,
-                        availableHeight
-                    );
-                    if (
-                        layout.LayoutBounds.Width <= availableWidth
-                        && layout.LayoutBounds.Height <= availableHeight
-                    )
-                        break;
-                    fontSize -= 1f;
-                } while (fontSize >= minFontSize);
-
-                // 居中绘制文字（在内容区域内居中）
-                var bounds = layout.LayoutBounds;
-                var x = margin + (availableWidth - (float)bounds.Width) / 2f - (float)bounds.X;
-                var y = margin + (availableHeight - (float)bounds.Height) / 2f - (float)bounds.Y;
-                ds.DrawTextLayout(layout, new Vector2(x, y), Colors.DarkGray);
+                ds.FillRectangle(0, 0, width, height, gradientBrush);
             }
 
             // 保存为 PNG 并转为 byte[]
-            using (var stream = new InMemoryRandomAccessStream())
+            using var stream = new InMemoryRandomAccessStream();
+            await renderTarget.SaveAsync(stream, CanvasBitmapFileFormat.Png);
+            var buffer = new byte[stream.Size];
+            using (var reader = new DataReader(stream.GetInputStreamAt(0)))
             {
-                await renderTarget.SaveAsync(stream, CanvasBitmapFileFormat.Png);
-                var buffer = new byte[stream.Size];
-                using (var reader = new DataReader(stream.GetInputStreamAt(0)))
-                {
-                    await reader.LoadAsync((uint)stream.Size);
-                    reader.ReadBytes(buffer);
-                }
-                return buffer;
+                await reader.LoadAsync((uint)stream.Size);
+                reader.ReadBytes(buffer);
             }
+            return buffer;
         }
 
-        public static List<Windows.UI.Color> GetAccentColorsFromByte(byte[] bytes)
+        public static List<Windows.UI.Color> GetAccentColorsFromByte(byte[] bytes, int count, bool? isDark = null)
         {
-            // 使用 ImageSharp 读取图片
-            using var image = SixLabors.ImageSharp.Image.Load<SixLabors.ImageSharp.PixelFormats.Rgba32>(bytes);
-
-            // 简单聚类法：统计所有像素出现频率，取出现最多的前 AccentColorCount 个颜色
-            var colorCount = new Dictionary<SixLabors.ImageSharp.PixelFormats.Rgba32, int>();
-
-            for (int y = 0; y < image.Height; y++)
-            {
-                for (int x = 0; x < image.Width; x++)
-                {
-                    var color = image[x, y];
-                    // 可选：忽略透明像素
-                    if (color.A < 32) continue;
-                    if (colorCount.ContainsKey(color))
-                        colorCount[color]++;
-                    else
-                        colorCount[color] = 1;
-                }
-            }
-
-            // 按出现次数排序，取前 AccentColorCount 个
-            var topColors = colorCount
-                .OrderByDescending(kv => kv.Value)
-                .Take(AccentColorCount)
-                .Select(kv => kv.Key)
+            using var image = Image.Load<Rgba32>(bytes);
+            var colorThief = new ColorThief.ImageSharp.ColorThief();
+            var mainColor = colorThief.GetColor(image, 10, false);
+            var palette = colorThief.GetPalette(image, 255, 10, false);
+            var topColors = palette
+                .OrderByDescending(x => x.Population)
+                .Where(x => x.IsDark == (isDark ?? mainColor.IsDark))
+                .Select(x => Windows.UI.Color.FromArgb(x.Color.A, x.Color.R, x.Color.G, x.Color.B))
+                .Take(count)
                 .ToList();
 
-            // 转换为 Windows.UI.Color
-            return topColors
-                .Select(c => Windows.UI.Color.FromArgb(c.A, c.R, c.G, c.B))
-                .ToList();
+            return topColors;
         }
 
+        //public static async Task<BitmapImage> GetBitmapImageFromBytesAsync(byte[] imageBytes)
+        //{
+        //    var stream = new InMemoryRandomAccessStream();
+        //    await stream.WriteAsync(imageBytes.AsBuffer());
+        //    stream.Seek(0);
 
-        public static async Task<BitmapImage> GetBitmapImageFromBytesAsync(byte[] imageBytes)
-        {
-            var stream = new InMemoryRandomAccessStream();
-            await stream.WriteAsync(imageBytes.AsBuffer());
-            stream.Seek(0);
+        //    var bitmapImage = new BitmapImage();
+        //    await bitmapImage.SetSourceAsync(stream);
 
-            var bitmapImage = new BitmapImage();
-            await bitmapImage.SetSourceAsync(stream);
+        //    return bitmapImage;
+        //}
 
-            return bitmapImage;
-        }
+        //public static async Task<BitmapDecoder> GetDecoderFromByte(byte[] bytes) =>
+        //    await BitmapDecoder.CreateAsync(await ByteArrayToStream(bytes));
 
-        public static async Task<BitmapDecoder> GetDecoderFromByte(byte[] bytes) =>
-            await BitmapDecoder.CreateAsync(await ByteArrayToStream(bytes));
+        //public static async Task<InMemoryRandomAccessStream> GetStreamFromBytesAsync(byte[] imageBytes)
+        //{
+        //    if (imageBytes == null || imageBytes.Length == 0)
+        //        return null;
 
-        public static async Task<InMemoryRandomAccessStream> GetStreamFromBytesAsync(byte[] imageBytes)
-        {
-            if (imageBytes == null || imageBytes.Length == 0)
-                return null;
+        //    InMemoryRandomAccessStream stream = new InMemoryRandomAccessStream();
+        //    await stream.WriteAsync(imageBytes.AsBuffer());
 
-            InMemoryRandomAccessStream stream = new InMemoryRandomAccessStream();
-            await stream.WriteAsync(imageBytes.AsBuffer());
-
-            return stream;
-        }
+        //    return stream;
+        //}
 
         public static async Task<byte[]> ToByteArrayAsync(IRandomAccessStreamReference streamRef)
         {
             using IRandomAccessStream stream = await streamRef.OpenReadAsync();
-            using var memoryStream = new MemoryStream();
-            await stream.AsStreamForRead().CopyToAsync(memoryStream);
-            return memoryStream.ToArray();
+            using var reader = new DataReader(stream);
+            await reader.LoadAsync((uint)stream.Size);
+            byte[] buffer = new byte[stream.Size];
+            reader.ReadBytes(buffer);
+            return buffer;
+        }
+
+        public static float GetAverageLuminance(CanvasBitmap bitmap)
+        {
+            var pixels = bitmap.GetPixelBytes();
+            double sum = 0;
+            for (int i = 0; i < pixels.Length; i += 4)
+            {
+                // BGRA
+                byte b = pixels[i];
+                byte g = pixels[i + 1];
+                byte r = pixels[i + 2];
+                // 忽略A
+                double y = 0.299 * r + 0.587 * g + 0.114 * b;
+                sum += y / 255.0;
+            }
+            return (float)(sum / (pixels.Length / 4));
+        }
+
+        public static byte[] MakeSquareWithThemeColor(byte[] imageBytes)
+        {
+            using var image = Image.Load<Rgba32>(imageBytes);
+
+            if (image.Width == image.Height)
+            {
+                // 已经是正方形，直接返回
+                return imageBytes;
+            }
+
+            int size = Math.Max(image.Width, image.Height);
+
+            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());
+            return ms.ToArray();
+        }
+
+        public static byte[] Resize(byte[] imageBytes, int size)
+        {
+            using Image image = Image.Load(imageBytes);
+            var factor = Math.Max(size / image.Width, size / image.Height);
+            if (factor <= 1)
+            {
+                return imageBytes;
+            }
+            int width = image.Width * factor;
+            int height = image.Height * factor;
+            image.Mutate(x => x.Resize(width, height, KnownResamplers.Welch));
+
+            using var ms = new MemoryStream();
+            image.Save(ms, new PngEncoder());
+            return ms.ToArray();
         }
     }
 }

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

@@ -0,0 +1,128 @@
+using BetterLyrics.WinUI3.Helper;
+using CommunityToolkit.Mvvm.DependencyInjection;
+using Lyricify.Lyrics.Helpers.General;
+using NTextCat;
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.Linq;
+using TinyPinyin;
+using Windows.Globalization;
+
+namespace BetterLyrics.WinUI3.Services
+{
+    public class LanguageHelper
+    {
+        private static readonly RankedLanguageIdentifierFactory _factory = new();
+        private static readonly RankedLanguageIdentifier _identifier;
+        private static readonly ISettingsService _settingsService = Ioc.Default.GetRequiredService<ISettingsService>();
+
+        public static List<Models.LanguageInfo> SupportedTargetLanguages =>
+        [
+            new Models.LanguageInfo("ar", "العربية"),
+            new Models.LanguageInfo("az", "Azərbaycan dili"),
+            new Models.LanguageInfo("zh-Hans", "简体中文"),
+            new Models.LanguageInfo("zh-Hant", "繁體中文"),
+            new Models.LanguageInfo("cs", "Čeština"),
+            new Models.LanguageInfo("da", "Dansk"),
+            new Models.LanguageInfo("nl", "Nederlands"),
+            new Models.LanguageInfo("en", "English"),
+            new Models.LanguageInfo("eo", "Esperanto"),
+            new Models.LanguageInfo("fi", "Suomi"),
+            new Models.LanguageInfo("fr", "Français"),
+            new Models.LanguageInfo("de", "Deutsch"),
+            new Models.LanguageInfo("el", "Ελληνικά"),
+            new Models.LanguageInfo("he", "עברית"),
+            new Models.LanguageInfo("hi", "हिन्दी"),
+            new Models.LanguageInfo("hu", "Magyar"),
+            new Models.LanguageInfo("id", "Bahasa Indonesia"),
+            new Models.LanguageInfo("ga", "Gaeilge"),
+            new Models.LanguageInfo("it", "Italiano"),
+            new Models.LanguageInfo("ja", "日本語"),
+            new Models.LanguageInfo("ko", "한국어"),
+            new Models.LanguageInfo("fa", "فارسی"),
+            new Models.LanguageInfo("pl", "Polski"),
+            new Models.LanguageInfo("pt", "Português"),
+            new Models.LanguageInfo("ru", "Русский"),
+            new Models.LanguageInfo("sk", "Slovenčina"),
+            new Models.LanguageInfo("es", "Español"),
+            new Models.LanguageInfo("sv", "Svenska"),
+            new Models.LanguageInfo("tr", "Türkçe"),
+            new Models.LanguageInfo("uk", "Українська"),
+            new Models.LanguageInfo("vi", "Tiếng Việt"),
+        ];
+
+        static LanguageHelper()
+        {
+            _identifier = _factory.Load(PathHelper.LanguageProfilePath);
+        }
+
+        public static string? DetectLanguageCode(string? text)
+        {
+            if (text == null) return null;
+
+            var guessList = _identifier.Identify(text);
+            string? code = guessList?.FirstOrDefault()?.Item1.Iso639_2T;
+            code = code switch
+            {
+                "simple" => "en",
+                "zh_classical" => "zh-Hant",
+                "zh_yue" => "zh-Hant",
+                "zh" => "zh-Hans",
+                _ => code
+            };
+            return code;
+        }
+
+        public static bool IsCJK(string text)
+        {
+            return DetectLanguageCode(text)?.Substring(0, 2) switch
+            {
+                "zh" or "ja" or "ko" => true,
+                _ => false
+            };
+        }
+
+        public static string ConvertToCountryCode(string? languageCode)
+        {
+            if (languageCode == null) return "us";
+
+            return languageCode switch
+            {
+                "zh" => "cn",
+                "zh-Hans" => "cn",
+                "zh-Hant" => "tw",
+                "ja" => "jp",
+                "ko" => "kr",
+                _ => "us"
+            };
+        }
+
+        public static string GetUserTargetLanguageCode()
+        {
+            return SupportedTargetLanguages[_settingsService.SelectedTargetLanguageIndex].Code;
+        }
+
+        public static int GetDefaultTargetLanguageIndex()
+        {
+            int found = SupportedTargetLanguages.FindIndex(x => ApplicationLanguages.Languages.FirstOrDefault()?.Contains(x.Code) == true);
+            if (found == -1) found = 7; // 默认使用英语
+            return found;
+        }
+
+        public static string GetOrderChar(string text)
+        {
+            if (string.IsNullOrWhiteSpace(text)) return "#";
+            char c = text.ElementAtOrDefault(0);
+            if (char.IsLetter(c) && c < 128)
+                return char.ToUpper(c).ToString();
+
+            if (PinyinHelper.IsChinese(c))
+            {
+                return PinyinHelper.GetPinyinInitials($"{c}");
+            }
+
+            return "#";
+        }
+    }
+}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Helper/LatestOnlyTaskRunner.cs

@@ -0,0 +1,43 @@
+using Nito.AsyncEx;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace BetterLyrics.WinUI3.Helper
+{
+    public class LatestOnlyTaskRunner
+    {
+        private readonly AsyncLock _mutex = new();
+        private CancellationTokenSource _cts;
+
+        public async Task RunAsync(Func<CancellationToken, Task> action)
+        {
+            CancellationTokenSource oldCts;
+
+            // 使用 AsyncLock 保证线程安全
+            using (await _mutex.LockAsync())
+            {
+                // 取消旧的
+                oldCts = _cts;
+                _cts = new CancellationTokenSource();
+            }
+
+            oldCts?.Cancel();
+            oldCts?.Dispose();
+
+            CancellationToken token = _cts.Token;
+
+            try
+            {
+                await action(token);
+            }
+            catch (OperationCanceledException)
+            {
+                // 可以选择忽略取消异常
+            }
+        }
+    }
+}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Helper/LauncherHelper.cs

@@ -0,0 +1,24 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Windows.Storage;
+using Windows.System;
+
+namespace BetterLyrics.WinUI3.Helper
+{
+    public class LauncherHelper
+    {
+        public static async Task SelectAndShowFile(string filePath)
+        {
+            var file = await StorageFile.GetFileFromPathAsync(filePath);
+            var folder = await file.GetParentAsync();
+
+            var folderOptions = new FolderLauncherOptions();
+            folderOptions.ItemsToSelect.Add(file);
+
+            await Launcher.LaunchFolderAsync(folder, folderOptions);
+        }
+    }
+}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Helper/LyricsParser.cs

@@ -2,6 +2,7 @@
 
 using BetterLyrics.WinUI3.Enums;
 using BetterLyrics.WinUI3.Models;
+using BetterLyrics.WinUI3.Services;
 using Lyricify.Lyrics.Models;
 using System;
 using System.Collections.Generic;
@@ -9,43 +10,35 @@ using System.Linq;
 using System.Text.RegularExpressions;
 using System.Xml.Linq;
 using Windows.Globalization.Fonts;
+using LyricsData = BetterLyrics.WinUI3.Models.LyricsData;
 
 namespace BetterLyrics.WinUI3.Helper
 {
     public class LyricsParser
     {
-        private List<List<LyricsLine>> _multiLangLyricsLines = [];
+        private List<LyricsData> _lyricsDataArr = [];
 
-        public List<List<LyricsLine>> Parse(string? raw, LyricsFormat? lyricsFormat = null, string? title = null, string? artist = null, int durationMs = 0)
+        public List<LyricsData> Parse(string? raw, int? durationMs)
         {
-            _multiLangLyricsLines = [];
+            durationMs ??= (int)TimeSpan.FromMinutes(99).TotalMilliseconds;
+            _lyricsDataArr = [];
             if (raw == null)
             {
-                _multiLangLyricsLines.Add(
-                    [
-                        new LyricsLine
-                        {
-                            StartMs = 0,
-                            EndMs = durationMs,
-                            Text = App.ResourceLoader!.GetString("LyricsNotFound"),
-                            CharTimings = [],
-                        },
-                    ]
-                );
+                _lyricsDataArr.Add(LyricsData.GetNotfoundPlaceholder(durationMs.Value));
             }
             else
             {
-                switch (lyricsFormat)
+                switch (raw.DetectFormat())
                 {
                     case LyricsFormat.Lrc:
                     case LyricsFormat.Eslrc:
                         ParseLrc(raw);
                         break;
                     case LyricsFormat.Qrc:
-                        ParseUsingLyricify(Lyricify.Lyrics.Parsers.QrcParser.Parse(raw).Lines);
+                        ParseQQNeteaseKugou(Lyricify.Lyrics.Parsers.QrcParser.Parse(raw).Lines);
                         break;
                     case LyricsFormat.Krc:
-                        ParseUsingLyricify(Lyricify.Lyrics.Parsers.KrcParser.Parse(raw).Lines);
+                        ParseQQNeteaseKugou(Lyricify.Lyrics.Parsers.KrcParser.Parse(raw).Lines);
                         break;
                     case LyricsFormat.Ttml:
                         ParseTtml(raw);
@@ -54,8 +47,8 @@ namespace BetterLyrics.WinUI3.Helper
                         break;
                 }
             }
-            PostProcessLyricsLines(durationMs);
-            return _multiLangLyricsLines;
+            _lyricsDataArr.Add(new LyricsData()); // 为机翻预留
+            return _lyricsDataArr;
         }
 
         private void ParseLrc(string raw)
@@ -116,49 +109,57 @@ namespace BetterLyrics.WinUI3.Helper
 
             // 按时间分组
             var grouped = lrcLines.GroupBy(l => l.time).OrderBy(g => g.Key).ToList();
-            int languageCount = grouped.Max(g => g.Count());
+            int languageCount = 0;
+            if (grouped != null && grouped.Count > 0)
+            {
+                // 计算最大语言数量
+                languageCount = grouped.Max(g => g.Count());
+            }
 
             // 初始化每种语言的歌词列表
-            _multiLangLyricsLines.Clear();
-            for (int i = 0; i < languageCount; i++)
-                _multiLangLyricsLines.Add(new List<LyricsLine>());
+            _lyricsDataArr.Clear();
+            for (int i = 0; i < languageCount; i++) _lyricsDataArr.Add(new LyricsData());
 
             // 遍历每个时间分组
-            foreach (var group in grouped)
+            if (grouped != null)
             {
-                var linesInGroup = group.ToList();
-                for (int langIdx = 0; langIdx < languageCount; langIdx++)
+                foreach (var group in grouped)
                 {
-                    // 如果该语言有翻译，取对应行，否则用原文（第一行）
-                    var (start, text, syllables) =
-                        langIdx < linesInGroup.Count ? linesInGroup[langIdx] : linesInGroup[0];
-                    var line = new LyricsLine
+                    var linesInGroup = group.ToList();
+                    for (int langIdx = 0; langIdx < languageCount; langIdx++)
                     {
-                        StartMs = start,
-                        EndMs = 0, // 稍后统一修正
-                        Text = text,
-                        CharTimings = [],
-                    };
-                    if (syllables != null && syllables.Count > 0)
-                    {
-                        int currentIndex = 0;
-                        for (int j = 0; j < syllables.Count; j++)
+                        // 只添加有对应行的语言，否则跳过
+                        if (langIdx < linesInGroup.Count)
                         {
-                            var (charStart, charText) = syllables[j];
-                            int startIndex = currentIndex;
-                            line.CharTimings.Add(
-                                new CharTiming
+                            var (start, text, syllables) = linesInGroup[langIdx];
+                            var line = new LyricsLine
+                            {
+                                StartMs = start,
+                                OriginalText = text,
+                                LyricsChars = [],
+                            };
+                            if (syllables != null && syllables.Count > 0)
+                            {
+                                int currentIndex = 0;
+                                for (int j = 0; j < syllables.Count; j++)
                                 {
-                                    StartMs = charStart,
-                                    EndMs = 0, // Fixed later
-                                    Text = charText ?? "",
-                                    StartIndex = startIndex,
+                                    var (charStart, charText) = syllables[j];
+                                    int startIndex = currentIndex;
+                                    line.LyricsChars.Add(
+                                        new LyricsChar
+                                        {
+                                            StartMs = charStart,
+                                            Text = charText ?? "",
+                                            StartIndex = startIndex,
+                                        }
+                                    );
+                                    currentIndex += charText?.Length ?? 0;
                                 }
-                            );
-                            currentIndex += charText?.Length ?? 0;
+                            }
+                            _lyricsDataArr[langIdx].LyricsLines.Add(line);
                         }
+                        // 没有翻译行则不补原文，直接跳过
                     }
-                    _multiLangLyricsLines[langIdx].Add(line);
                 }
             }
         }
@@ -167,8 +168,9 @@ namespace BetterLyrics.WinUI3.Helper
         {
             try
             {
-                List<LyricsLine> singleLangLyricsLine = [];
-                var xdoc = XDocument.Parse(raw);
+                List<LyricsLine> originalLines = [];
+                List<LyricsLine> translationLines = [];
+                var xdoc = XDocument.Parse(raw, LoadOptions.PreserveWhitespace);
                 var body = xdoc.Descendants().FirstOrDefault(e => e.Name.LocalName == "body");
                 if (body == null) return;
                 var ps = body.Descendants().Where(e => e.Name.LocalName == "p");
@@ -180,49 +182,94 @@ namespace BetterLyrics.WinUI3.Helper
                     int pStartMs = ParseTtmlTime(pBegin);
                     int pEndMs = ParseTtmlTime(pEnd);
 
-                    // 处理分词分时
-                    var spans = p.Elements().Where(s => s.Name.LocalName == "span").ToList();
+                    // 只获取一级span，且排除ttm:role="x-bg"的span
+                    var spans = p.Elements()
+                        .Where(s => s.Name.LocalName == "span" &&
+                                    s.Attribute(XName.Get("role", "http://www.w3.org/ns/ttml#metadata"))?.Value != "x-bg")
+                        .ToList();
 
-                    string text = string.Concat(spans.Select(s => s.Value));
-                    var charTimings = new List<CharTiming>();
+                    // 原文和翻译分离
+                    var originalTextSpans = spans
+                        .Where(s => s.Attribute(XName.Get("role", "http://www.w3.org/ns/ttml#metadata"))?.Value != "x-translation")
+                        .ToList();
+                    var translationTextSpans = spans
+                        .Where(s => s.Attribute(XName.Get("role", "http://www.w3.org/ns/ttml#metadata"))?.Value == "x-translation")
+                        .ToList();
 
-                    int startIndex = 0;
-
-                    for (int i = 0; i < spans.Count; i++)
+                    // 处理原文span后的空白
+                    for (int i = 0; i < originalTextSpans.Count; i++)
+                    {
+                        var span = originalTextSpans[i];
+                        var nextNode = span.NodesAfterSelf().FirstOrDefault();
+                        if (nextNode is XText textNode)
+                        {
+                            span.Value += textNode.Value;
+                        }
+                    }
+                    // 拼接空白字符后的原文
+                    string originalText = string.Concat(originalTextSpans.Select(s => s.Value));
+
+                    var originalCharTimings = new List<LyricsChar>();
+                    int originalStartIndex = 0;
+                    foreach (var span in originalTextSpans)
                     {
-                        var span = spans[i];
                         string? sBegin = span.Attribute("begin")?.Value;
                         string? sEnd = span.Attribute("end")?.Value;
                         int sStartMs = ParseTtmlTime(sBegin);
                         int sEndMs = ParseTtmlTime(sEnd);
-
-                        if (sStartMs == 0 && sEndMs == 0)
-                            continue;
-
-                        if (sEndMs == 0)
-                            sEndMs =
-                                (i + 1 < spans.Count)
-                                    ? ParseTtmlTime(spans[i + 1].Attribute("begin")?.Value)
-                                    : pEndMs;
-
-                        charTimings.Add(new CharTiming { StartMs = sStartMs, EndMs = 0, StartIndex = startIndex, Text = span.Value });
-                        startIndex += span.Value.Length;
+                        originalCharTimings.Add(new LyricsChar
+                        {
+                            StartMs = sStartMs,
+                            EndMs = sEndMs,
+                            StartIndex = originalStartIndex,
+                            Text = span.Value
+                        });
+                        originalStartIndex += span.Value.Length;
                     }
+                    if (originalTextSpans.Count == 0)
+                        originalText = p.Value;
 
-                    if (spans.Count == 0)
-                        text = p.Value;
+                    originalLines.Add(new LyricsLine
+                    {
+                        StartMs = pStartMs,
+                        EndMs = pEndMs,
+                        OriginalText = originalText,
+                        LyricsChars = originalCharTimings,
+                    });
 
-                    singleLangLyricsLine.Add(
-                        new LyricsLine
+                    // 翻译
+                    string translationText = string.Concat(translationTextSpans.Select(s => s.Value));
+                    var translationCharTimings = new List<LyricsChar>();
+                    int translationStartIndex = 0;
+                    foreach (var span in translationTextSpans)
+                    {
+                        string? sBegin = span.Attribute("begin")?.Value;
+                        string? sEnd = span.Attribute("end")?.Value;
+                        int sStartMs = ParseTtmlTime(sBegin);
+                        int sEndMs = ParseTtmlTime(sEnd);
+                        translationCharTimings.Add(new LyricsChar
+                        {
+                            StartMs = sStartMs,
+                            EndMs = sEndMs,
+                            StartIndex = translationStartIndex,
+                            Text = span.Value
+                        });
+                        translationStartIndex += span.Value.Length;
+                    }
+                    if (translationTextSpans.Count > 0)
+                    {
+                        translationLines.Add(new LyricsLine
                         {
                             StartMs = pStartMs,
-                            EndMs = 0,
-                            Text = text,
-                            CharTimings = charTimings,
-                        }
-                    );
+                            EndMs = pEndMs,
+                            OriginalText = translationText,
+                            LyricsChars = translationCharTimings,
+                        });
+                    }
                 }
-                _multiLangLyricsLines.Add(singleLangLyricsLine);
+                _lyricsDataArr.Add(new LyricsData(originalLines));
+                if (translationLines.Count > 0)
+                    _lyricsDataArr.Add(new LyricsData(translationLines));
             }
             catch
             {
@@ -230,7 +277,7 @@ namespace BetterLyrics.WinUI3.Helper
             }
         }
 
-        private int ParseTtmlTime(string? t)
+        private static int ParseTtmlTime(string? t)
         {
             if (string.IsNullOrWhiteSpace(t))
                 return 0;
@@ -291,7 +338,7 @@ namespace BetterLyrics.WinUI3.Helper
             return 0;
         }
 
-        private void ParseUsingLyricify(List<ILineInfo>? lines)
+        private void ParseQQNeteaseKugou(List<ILineInfo>? lines)
         {
             lines = lines?.Where(x => x.Text != string.Empty).ToList();
             List<LyricsLine> lyricsLines = [];
@@ -305,9 +352,9 @@ namespace BetterLyrics.WinUI3.Helper
                     var lineWrite = new LyricsLine
                     {
                         StartMs = lineRead.StartTime ?? 0,
-                        EndMs = 0,
-                        Text = lineRead.Text,
-                        CharTimings = [],
+                        EndMs = lineRead.EndTime ?? 0,
+                        OriginalText = lineRead.Text,
+                        LyricsChars = [],
                     };
 
                     var syllables = (lineRead as SyllableLineInfo)?.Syllables;
@@ -321,22 +368,14 @@ namespace BetterLyrics.WinUI3.Helper
                         )
                         {
                             var syllable = syllables[syllableIndex];
-                            var charTiming = new CharTiming
+                            var charTiming = new LyricsChar
                             {
                                 StartMs = syllable.StartTime,
-                                EndMs = 0,
+                                EndMs = syllable.EndTime,
                                 Text = syllable.Text,
                                 StartIndex = startIndex,
                             };
-                            if (syllableIndex + 1 < syllables.Count)
-                            {
-                                charTiming.EndMs = syllables[syllableIndex + 1].StartTime;
-                            }
-                            else
-                            {
-                                charTiming.EndMs = lineWrite.EndMs;
-                            }
-                            lineWrite.CharTimings.Add(charTiming);
+                            lineWrite.LyricsChars.Add(charTiming);
                             startIndex += syllable.Text.Length;
                         }
                     }
@@ -345,56 +384,7 @@ namespace BetterLyrics.WinUI3.Helper
                 }
             }
 
-            _multiLangLyricsLines.Add(lyricsLines);
-        }
-
-        private void PostProcessLyricsLines(int durationMs)
-        {
-            for (int langIdx = 0; langIdx < _multiLangLyricsLines.Count; langIdx++)
-            {
-                var linesInSingleLang = _multiLangLyricsLines[langIdx];
-                for (int i = 0; i < linesInSingleLang.Count; i++)
-                {
-                    if (i + 1 < linesInSingleLang.Count)
-                    {
-                        linesInSingleLang[i].EndMs = linesInSingleLang[i + 1].StartMs;
-                    }
-                    else
-                    {
-                        linesInSingleLang[i].EndMs = durationMs;
-                    }
-
-                    // 修正 CharTimings 的 EndMs
-                    var timings = linesInSingleLang[i].CharTimings;
-                    if (timings.Count > 0)
-                    {
-                        for (int j = 0; j < timings.Count; j++)
-                        {
-                            if (j + 1 < timings.Count)
-                            {
-                                timings[j].EndMs = timings[j + 1].StartMs;
-                            }
-                            else
-                            {
-                                timings[j].EndMs = linesInSingleLang[i].EndMs;
-                            }
-                        }
-                    }
-                }
-                if (linesInSingleLang.Count > 0 && linesInSingleLang[0].StartMs > 0)
-                {
-                    linesInSingleLang.Insert(
-                        0,
-                        new LyricsLine
-                        {
-                            StartMs = 0,
-                            EndMs = linesInSingleLang[0].StartMs,
-                            Text = "● ● ●",
-                            CharTimings = [],
-                        }
-                    );
-                }
-            }
+            _lyricsDataArr.Add(new LyricsData(lyricsLines));
         }
     }
 }

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

@@ -0,0 +1,48 @@
+// 2025/6/23 by Zhe Fang
+
+namespace BetterLyrics.WinUI3.Helper
+{
+    using BetterLyrics.WinUI3.Models;
+    using System;
+    using System.Collections.Generic;
+    using System.IO;
+    using System.Reflection;
+    using System.Threading.Tasks;
+    using Windows.ApplicationModel;
+    using Windows.Storage;
+    using Windows.Storage.FileProperties;
+
+    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
+            {
+                var version = Package.Current.Id.Version;
+                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/MonitorHelper.cs

@@ -0,0 +1,64 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Runtime.InteropServices;
+using System.Text;
+using System.Threading;
+using System.Threading.Tasks;
+using Vanara.PInvoke;
+
+namespace BetterLyrics.WinUI3.Helper
+{
+    public static class MonitorHelper
+    {
+        public static IEnumerable<string> GetAllMonitorDeviceNames()
+        {
+            var deviceNames = new List<string>();
+            User32.EnumDisplayMonitors(IntPtr.Zero, null, (hMonitor, hdcMonitor, lprcMonitor, dwData) =>
+            {
+                User32.MONITORINFOEX monitorInfoEx = new() { cbSize = (uint)Marshal.SizeOf<User32.MONITORINFOEX>() };
+                if (User32.GetMonitorInfo(hMonitor, ref monitorInfoEx))
+                {
+                    deviceNames.Add(monitorInfoEx.szDevice);
+                }
+                return true; // 继续枚举
+            }, IntPtr.Zero);
+            return deviceNames;
+        }
+
+        public static User32.MONITORINFOEX GetMonitorInfoExFromDeviceName(string deviceName)
+        {
+            User32.MONITORINFOEX? result = null;
+            User32.EnumDisplayMonitors(IntPtr.Zero, null, (hMonitor, hdcMonitor, lprcMonitor, dwData) =>
+            {
+                User32.MONITORINFOEX monitorInfoEx = new() { cbSize = (uint)Marshal.SizeOf<User32.MONITORINFOEX>() };
+                if (User32.GetMonitorInfo(hMonitor, ref monitorInfoEx))
+                {
+                    if (string.Equals(monitorInfoEx.szDevice, deviceName, StringComparison.OrdinalIgnoreCase))
+                    {
+                        result = monitorInfoEx;
+                        return false; // 找到后停止枚举
+                    }
+                }
+                return true; // 继续枚举
+            }, IntPtr.Zero);
+            return result ?? GetPrimaryMonitorInfoEx();
+        }
+
+        public static User32.MONITORINFOEX GetPrimaryMonitorInfoEx()
+        {
+            // (0,0) 总是在主屏
+            var ptZero = new POINT(0, 0);
+            HMONITOR hMonitor = User32.MonitorFromPoint(ptZero, User32.MonitorFlags.MONITOR_DEFAULTTOPRIMARY);
+            User32.MONITORINFOEX monitorInfoEx = new() { cbSize = (uint)Marshal.SizeOf<User32.MONITORINFOEX>() };
+            User32.GetMonitorInfo(hMonitor, ref monitorInfoEx);
+            return monitorInfoEx;
+        }
+
+        public static string GetPrimaryMonitorDeviceName()
+        {
+            var primaryMonitorInfo = GetPrimaryMonitorInfoEx();
+            return primaryMonitorInfo.szDevice;
+        }
+    }
+}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Helper/NetHelper.cs

@@ -0,0 +1,26 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace BetterLyrics.WinUI3.Helper
+{
+    public class NetHelper
+    {
+        public static async Task<bool> CheckConnectivity(string url)
+        {
+            try
+            {
+                using var client = new System.Net.Http.HttpClient();
+                // Try to reach a reliable endpoint
+                var res = await client.GetAsync(url);
+                return res.IsSuccessStatusCode;
+            }
+            catch
+            {
+                return false; // If any exception occurs, assume no connectivity
+            }
+        }
+    }
+}

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

@@ -0,0 +1,331 @@
+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

@@ -0,0 +1,50 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Reflection;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace BetterLyrics.WinUI3.Helper
+{
+    public static class ObjectHelper
+    {
+        // Credit/Copyright to https://gist.github.com/tcartwright/dab50ebaff7c59f05013de0fb349cabd
+        public static bool IsDisposed(this IDisposable obj)
+        {
+            /*
+             TIM C: This hacky code is because MSFT does not provide a standard way to interrogate if an object is disposed or not. 
+                I wrote this based upon streams, but it should work for many other types of MSFT objects (maybe).
+            */
+            if (obj == null) { return true; }
+
+            var objType = obj.GetType();
+            //var foo = new System.IO.BufferedStream();
+
+            // the _disposed pattern should catch a lot of msft objects.... hopefully
+            var isDisposedField = objType.GetField("_disposed", BindingFlags.NonPublic | BindingFlags.Instance) ??
+                objType.GetField("disposed", BindingFlags.NonPublic | BindingFlags.Instance);
+
+            if (isDisposedField != null) { return Convert.ToBoolean(isDisposedField.GetValue(obj)); }
+
+            isDisposedField = objType.GetField("_isOpen", 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)
+            {
+                var strategy = strategyField.GetValue(obj);
+                var isClosedField = strategy.GetType().GetProperty("IsClosed", BindingFlags.NonPublic | BindingFlags.Instance);
+                if (isClosedField != null) { return Convert.ToBoolean(isClosedField.GetValue(strategy)); }
+            }
+
+            // other streams that use this pattern to determine if they are disposed
+            if (obj is Stream stream) { return !stream.CanRead && !stream.CanWrite; }
+
+            return false;
+        }
+    }
+}

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

@@ -0,0 +1,60 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Windows.ApplicationModel;
+using Windows.Storage;
+
+namespace BetterLyrics.WinUI3.Helper
+{
+    public class PathHelper
+    {
+        private static string LocalFolder => ApplicationData.Current.LocalFolder.Path;
+        public static string CacheFolder => ApplicationData.Current.LocalCacheFolder.Path;
+        public static string AssetsFolder => Path.Combine(Package.Current.InstalledPath, "Assets");
+
+        //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 LogDirectory => Path.Combine(CacheFolder, "logs");
+        public static string LogFilePattern => Path.Combine(LogDirectory, "log-.txt");
+
+        public static string LyricsCacheDirectory => Path.Combine(CacheFolder, "lyrics");
+
+        public static string LrcLibLyricsCacheDirectory => Path.Combine(LyricsCacheDirectory, "lrclib");
+        public static string NeteaseLyricsCacheDirectory => Path.Combine(LyricsCacheDirectory, "netease");
+        public static string QQLyricsCacheDirectory => Path.Combine(LyricsCacheDirectory, "qq");
+        public static string KugouLyricsCacheDirectory => Path.Combine(LyricsCacheDirectory, "kugou");
+        public static string AmllTtmlDbLyricsCacheDirectory => Path.Combine(LyricsCacheDirectory, "amll-ttml-db");
+        public static string AmllTtmlDbIndexPath => Path.Combine(LyricsCacheDirectory, "amll-ttml-db-index.json");
+        public static string AmllTtmlDbLastUpdatedPath => Path.Combine(LyricsCacheDirectory, "amll-ttml-db-last-updated.txt");
+
+        public static string TranslationCacheDirectory => Path.Combine(CacheFolder, "translations");
+
+        public static string QQTranslationCacheDirectory => Path.Combine(TranslationCacheDirectory, "qq");
+        public static string NeteaseTranslationCacheDirectory => Path.Combine(TranslationCacheDirectory, "netease");
+
+        public static string AlbumArtCacheDirectory => Path.Combine(CacheFolder, "album-art");
+
+        public static string iTunesAlbumArtCacheDirectory => Path.Combine(AlbumArtCacheDirectory, "itunes");
+
+        public static void EnsureDirectories()
+        {
+            Directory.CreateDirectory(LogDirectory);
+
+            Directory.CreateDirectory(LrcLibLyricsCacheDirectory);
+            Directory.CreateDirectory(QQLyricsCacheDirectory);
+            Directory.CreateDirectory(KugouLyricsCacheDirectory);
+            Directory.CreateDirectory(NeteaseLyricsCacheDirectory);
+            Directory.CreateDirectory(AmllTtmlDbLyricsCacheDirectory);
+
+            Directory.CreateDirectory(QQTranslationCacheDirectory);
+            Directory.CreateDirectory(NeteaseTranslationCacheDirectory);
+
+            Directory.CreateDirectory(iTunesAlbumArtCacheDirectory);
+        }
+    }
+}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Helper/StringHelper.cs

@@ -0,0 +1,19 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace BetterLyrics.WinUI3.Helper
+{
+    public static class StringHelper
+    {
+        // 去除空格、括号、下划线、横杠、点、大小写等
+        public static string Normalize(string s) =>
+            new string(s
+                .Where(c => char.IsLetterOrDigit(c))
+                .ToArray())
+                .ToLowerInvariant();
+        public static string NewLine = "\n";
+    }
+}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Helper/SystemVolumeHelper.cs

@@ -0,0 +1,74 @@
+using Microsoft.UI.Dispatching;
+using System;
+using Vanara.Extensions;
+using Vanara.PInvoke;
+using static Vanara.PInvoke.CoreAudio;
+
+namespace BetterLyrics.WinUI3.Helper
+{
+    public static class SystemVolumeHelper
+    {
+        private readonly static IMMDeviceEnumerator _deviceEnumerator = new();
+        private static IAudioEndpointVolume? _endpointVolume = null;
+        private static VolumeCallbackImpl? _callbackImpl;
+        private static int _masterVolume = 0;
+        private static DispatcherQueue _dispatcherQueue = DispatcherQueue.GetForCurrentThread();
+
+        public static event Action<int>? VolumeChanged;
+
+        static SystemVolumeHelper()
+        {
+            var device = _deviceEnumerator.GetDefaultAudioEndpoint(EDataFlow.eRender, ERole.eMultimedia);
+            if (device != null)
+            {
+                device.Activate(typeof(IAudioEndpointVolume).GUID, 0, null, out var obj);
+                if (obj is IAudioEndpointVolume endpointVolume)
+                {
+                    _endpointVolume = endpointVolume;
+                    _callbackImpl = new VolumeCallbackImpl();
+                    _endpointVolume.RegisterControlChangeNotify(_callbackImpl);
+                }
+            }
+        }
+
+        /// <summary>
+        /// 获取当前系统主音量（0~100）。
+        /// </summary>
+        public static int GetMasterVolume()
+        {
+            if (_endpointVolume != null)
+            {
+                float level = _endpointVolume.GetMasterVolumeLevelScalar();
+                _masterVolume = (int)(level * 100);
+            }
+
+            return _masterVolume;
+        }
+
+        /// <summary>
+        /// 设置当前系统主音量（0~100）。
+        /// </summary>
+        public static void SetMasterVolume(int volume)
+        {
+            if (_masterVolume == volume) return;
+
+            _masterVolume = volume;
+            _endpointVolume?.SetMasterVolumeLevelScalar(_masterVolume / 100f, Guid.Empty);
+        }
+
+        // 内部回调实现
+        private class VolumeCallbackImpl : IAudioEndpointVolumeCallback
+        {
+            HRESULT IAudioEndpointVolumeCallback.OnNotify(nint pNotify)
+            {
+                var data = pNotify.ToStructure<AUDIO_VOLUME_NOTIFICATION_DATA>();
+                _masterVolume = (int)(data.fMasterVolume * 100);
+                _dispatcherQueue.TryEnqueue(DispatcherQueuePriority.Low, () =>
+                {
+                    VolumeChanged?.Invoke(_masterVolume);
+                });
+                return HRESULT.S_OK;
+            }
+        }
+    }
+}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Helper/ThrottleHelper.cs

@@ -0,0 +1,37 @@
+using System;
+
+namespace BetterLyrics.WinUI3.Helper
+{
+    public class ThrottleHelper
+    {
+        private DateTime _lastTriggerTime = DateTime.MinValue;
+        private readonly TimeSpan _interval;
+
+        public ThrottleHelper(TimeSpan interval)
+        {
+            _interval = interval;
+        }
+
+        /// <summary>
+        /// 判断是否可以触发（距离上次触发已超过设定间隔），如果可以则更新时间戳并返回 true，否则返回 false。
+        /// </summary>
+        public bool CanTrigger()
+        {
+            var now = DateTime.Now;
+            if ((now - _lastTriggerTime) >= _interval)
+            {
+                _lastTriggerTime = now;
+                return true;
+            }
+            return false;
+        }
+
+        /// <summary>
+        /// 重置触发时间
+        /// </summary>
+        public void Reset()
+        {
+            _lastTriggerTime = DateTime.MinValue;
+        }
+    }
+}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Helper/ValueTransition.cs

@@ -1,31 +1,28 @@
 // 2025/6/23 by Zhe Fang
 
 using System;
+using System.Diagnostics;
 using BetterLyrics.WinUI3.Enums;
 
 namespace BetterLyrics.WinUI3.Helper
 {
-    public class AnimationHelper
-    {
-        public const int DebounceDefaultDuration = 200;
-        public const int StackedNotificationsShowingDuration = 3900;
-        public const int StoryboardDefaultDuration = 200;
-    }
-
     public class ValueTransition<T>
         where T : struct
     {
         private T _currentValue;
         private float _durationSeconds;
-        private readonly EasingType? _easingType;
+        private EasingType? _easingType;
         private Func<T, T, float, T> _interpolator;
         private bool _isTransitioning;
         private float _progress;
         private T _startValue;
         private T _targetValue;
 
+        public float DurationSeconds => _durationSeconds;
+
         public bool IsTransitioning => _isTransitioning;
         public T Value => _currentValue;
+        public T TargetValue => _targetValue;
 
         public ValueTransition(T initialValue, float durationSeconds, Func<T, T, float, T>? interpolator = null, EasingType? easingType = null)
         {
@@ -44,16 +41,23 @@ namespace BetterLyrics.WinUI3.Helper
             else if (easingType.HasValue)
             {
                 _easingType = easingType;
-                _interpolator = GetInterpolatorByEasingType(easingType.Value);
+                _interpolator = GetInterpolatorByEasingType(_easingType.Value);
             }
             else
             {
-                _interpolator = GetInterpolatorByEasingType(EasingType.Linear);
                 _easingType = EasingType.Linear;
+                _interpolator = GetInterpolatorByEasingType(_easingType.Value);
             }
         }
 
-        public void JumpTo(T value)
+        public void SetDuration(float seconds)
+        {
+            if (seconds <= 0)
+                throw new ArgumentOutOfRangeException(nameof(seconds), "Duration must be positive.");
+            _durationSeconds = seconds;
+        }
+
+        private void JumpTo(T value)
         {
             _currentValue = value;
             _startValue = value;
@@ -71,8 +75,14 @@ namespace BetterLyrics.WinUI3.Helper
             _isTransitioning = false;
         }
 
-        public void StartTransition(T targetValue)
+        public void StartTransition(T targetValue, bool jumpTo = false)
         {
+            if (jumpTo)
+            {
+                JumpTo(targetValue);
+                return;
+            }
+
             if (!targetValue.Equals(_currentValue))
             {
                 _startValue = _currentValue;
@@ -82,11 +92,17 @@ namespace BetterLyrics.WinUI3.Helper
             }
         }
 
+        public static bool Equals(double x, double y, double tolerance)
+        {
+            var diff = Math.Abs(x - y);
+            return diff <= tolerance || diff <= Math.Max(Math.Abs(x), Math.Abs(y)) * tolerance;
+        }
+
         public void Update(TimeSpan elapsedTime)
         {
             if (!_isTransitioning) return;
 
-            _progress += (float)elapsedTime.TotalSeconds / _durationSeconds;
+            _progress += (float)(elapsedTime.TotalSeconds / _durationSeconds);
             if (_progress >= 1f)
             {
                 _progress = 1f;
@@ -110,26 +126,41 @@ namespace BetterLyrics.WinUI3.Helper
                     float t = progress;
                     switch (type)
                     {
-                        case EasingType.EaseInOutExpo:
-                            t = EasingHelper.EaseInOutExpo(t);
+                        case EasingType.EaseInOutSine:
+                            t = EasingHelper.EaseInOutSine(t);
                             break;
                         case EasingType.EaseInOutQuad:
                             t = EasingHelper.EaseInOutQuad(t);
                             break;
-                        case EasingType.EaseInQuad:
-                            t = EasingHelper.EaseInQuad(t);
+                        case EasingType.EaseInOutCubic:
+                            t = EasingHelper.EaseInOutCubic(t);
                             break;
-                        case EasingType.EaseOutQuad:
-                            t = EasingHelper.EaseOutQuad(t);
+                        case EasingType.EaseInOutQuart:
+                            t = EasingHelper.EaseInOutQuart(t);
                             break;
-                        case EasingType.Linear:
-                            t = EasingHelper.Linear(t);
+                        case EasingType.EaseInOutQuint:
+                            t = EasingHelper.EaseInOutQuint(t);
+                            break;
+                        case EasingType.EaseInOutExpo:
+                            t = EasingHelper.EaseInOutExpo(t);
+                            break;
+                        case EasingType.EaseInOutCirc:
+                            t = EasingHelper.EaseInOutCirc(t);
+                            break;
+                        case EasingType.EaseInOutBack:
+                            t = EasingHelper.EaseInOutBack(t);
+                            break;
+                        case EasingType.EaseInOutElastic:
+                            t = EasingHelper.EaseInOutElastic(t);
+                            break;
+                        case EasingType.EaseInOutBounce:
+                            t = EasingHelper.EaseInOutBounce(t);
                             break;
                         case EasingType.SmoothStep:
                             t = EasingHelper.SmoothStep(t);
                             break;
-                        case EasingType.SmootherStep:
-                            t = EasingHelper.SmootherStep(t);
+                        case EasingType.Linear:
+                            t = EasingHelper.Linear(t);
                             break;
                         default:
                             break;
@@ -139,5 +170,11 @@ namespace BetterLyrics.WinUI3.Helper
             }
             throw new NotSupportedException($"Easing type {type} is not supported for type {typeof(T)}.");
         }
+
+        public void SetEasingType(EasingType easingType)
+        {
+            _easingType = easingType;
+            _interpolator = GetInterpolatorByEasingType(easingType);
+        }
     }
 }

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Helper/WindowColorHelper.cs

@@ -1,148 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Drawing;
-using System.Drawing.Imaging;
-using System.Runtime.InteropServices;
-using BetterLyrics.WinUI3.Enums;
-using Microsoft.UI.Xaml;
-using Vanara.PInvoke;
-
-namespace BetterLyrics.WinUI3.Helper
-{
-    public static class WindowColorHelper
-    {
-        public static Color GetDominantColor(IntPtr myHwnd, WindowColorSampleMode mode)
-        {
-            if (!User32.GetWindowRect(myHwnd, out RECT myRect)) return Color.Transparent;
-
-            switch (mode)
-            {
-                case WindowColorSampleMode.BelowWindow:
-                    {
-                        int screenWidth = User32.GetSystemMetrics(User32.SystemMetric.SM_CXSCREEN);
-                        int sampleHeight = 1;
-                        int sampleY = myRect.Bottom + 1;
-                        return GetAverageColorFromScreenRegion(0, sampleY, screenWidth, sampleHeight);
-                    }
-                case WindowColorSampleMode.WindowArea:
-                    {
-                        int width = myRect.Right - myRect.Left;
-                        int height = myRect.Bottom - myRect.Top;
-                        if (width <= 0 || height <= 0)
-                            return Color.Transparent;
-                        // 采集窗口区域的平均色
-                        return GetAverageColorFromScreenRegion(myRect.Left, myRect.Top, width, height);
-                    }
-                case WindowColorSampleMode.WindowEdge:
-                    {
-                        int width = myRect.Right - myRect.Left;
-                        int height = myRect.Bottom - myRect.Top;
-                        if (width <= 0 || height <= 0)
-                            return Color.Transparent;
-
-                        var edgeThickness = new Thickness(36, 0, 36, 0);
-                        List<Color> edgeColors = [];
-
-                        // Top edge
-                        if (edgeThickness.Top > 0 && edgeThickness.Top < height)
-                            edgeColors.Add(
-                                GetAverageColorFromScreenRegion(
-                                    myRect.Left,
-                                    myRect.Top,
-                                    width,
-                                    (int)edgeThickness.Top
-                                )
-                            );
-                        // Bottom edge
-                        if (edgeThickness.Bottom > 0 && edgeThickness.Bottom < height)
-                            edgeColors.Add(
-                                GetAverageColorFromScreenRegion(
-                                    myRect.Left,
-                                    myRect.Bottom - (int)edgeThickness.Bottom,
-                                    width,
-                                    (int)edgeThickness.Bottom
-                                )
-                            );
-                        // Left edge
-                        if (edgeThickness.Left > 0 && edgeThickness.Left < width)
-                            edgeColors.Add(
-                                GetAverageColorFromScreenRegion(
-                                    myRect.Left,
-                                    myRect.Top + (int)edgeThickness.Top,
-                                    (int)edgeThickness.Left,
-                                    height - (int)edgeThickness.Top - (int)edgeThickness.Bottom
-                                )
-                            );
-                        // Right edge
-                        if (edgeThickness.Right > 0 && edgeThickness.Right < width)
-                            edgeColors.Add(
-                                GetAverageColorFromScreenRegion(
-                                    myRect.Right - (int)edgeThickness.Right,
-                                    myRect.Top + (int)edgeThickness.Top,
-                                    (int)edgeThickness.Right,
-                                    height - (int)edgeThickness.Top - (int)edgeThickness.Bottom
-                                )
-                            );
-
-                        // 合并四边平均色
-                        if (edgeColors.Count == 0)
-                            return Color.Transparent;
-                        long r = 0,
-                            g = 0,
-                            b = 0;
-                        foreach (var c in edgeColors)
-                        {
-                            r += c.R;
-                            g += c.G;
-                            b += c.B;
-                        }
-                        return Color.FromArgb(
-                            255,
-                            (int)(r / edgeColors.Count),
-                            (int)(g / edgeColors.Count),
-                            (int)(b / edgeColors.Count)
-                        );
-                    }
-                default:
-                    return Color.Transparent;
-            }
-        }
-
-        private static Color GetAverageColorFromScreenRegion(int x, int y, int width, int height)
-        {
-            using Bitmap bmp = new(width, height, PixelFormat.Format32bppArgb);
-            using Graphics gDest = Graphics.FromImage(bmp);
-
-            IntPtr hdcDest = gDest.GetHdc();
-            IntPtr hdcSrc = (nint)User32.GetDC(IntPtr.Zero); // Entire screen
-
-            Gdi32.BitBlt(hdcDest, 0, 0, width, height, hdcSrc, x, y, Gdi32.RasterOperationMode.SRCCOPY);
-
-            gDest.ReleaseHdc(hdcDest);
-            User32.ReleaseDC(IntPtr.Zero, hdcSrc);
-
-            return ComputeAverageColor(bmp);
-        }
-
-        private static Color ComputeAverageColor(Bitmap bmp)
-        {
-            long r = 0, g = 0, b = 0;
-            int count = 0;
-
-            for (int y = 0; y < bmp.Height; y++)
-            {
-                for (int x = 0; x < bmp.Width; x++)
-                {
-                    Color pixel = bmp.GetPixel(x, y);
-                    r += pixel.R;
-                    g += pixel.G;
-                    b += pixel.B;
-                    count++;
-                }
-            }
-
-            if (count == 0) return Color.Transparent;
-            return Color.FromArgb((int)(r / count), (int)(g / count), (int)(b / count));
-        }
-    }
-}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Helper/WindowHelper.cs

@@ -1,10 +1,11 @@
 // 2025/6/23 by Zhe Fang
 
-using System;
-using System.Collections.Generic;
+using BetterLyrics.WinUI3.Enums;
 using BetterLyrics.WinUI3.Views;
 using Microsoft.UI.Windowing;
 using Microsoft.UI.Xaml;
+using System;
+using System.Collections.Generic;
 using Windows.ApplicationModel.Core;
 using WinRT.Interop;
 using WinUIEx;
@@ -25,18 +26,7 @@ namespace BetterLyrics.WinUI3.Helper
             }
         }
 
-        public static void ExitAllWindows()
-        {
-            while (_activeWindows.Count > 0)
-            {
-                var window = _activeWindows[0];
-                ((Window)window).Close();
-                _activeWindows.Remove(window);
-            }
-            App.Current.Exit();
-        }
-
-        public static T GetWindowByWindowType<T>()
+        public static T? GetWindowByWindowType<T>()
         {
             foreach (var window in _activeWindows)
             {
@@ -45,34 +35,35 @@ namespace BetterLyrics.WinUI3.Helper
                     return castedWindow;
                 }
             }
-            throw new InvalidOperationException($"No window of type {typeof(T).Name} found.");
+            return default;
         }
-        public static void OpenOrShowWindow<T>()
+        public static void OpenWindow<T>()
         {
             var window = _activeWindows.Find(w => w is T);
-            if (window != null)
+            if (window == null)
             {
-                var castedWindow = (Window)window;
-                castedWindow.Restore();
-            }
-            else
-            {
-                object newWindow;
                 if (typeof(T) == typeof(LyricsWindow))
                 {
-                    newWindow = new LyricsWindow();
+                    window = new LyricsWindow();
+                    ((LyricsWindow)window).SystemBackdrop = SystemBackdropHelper.CreateSystemBackdrop(BackdropType.Transparent);
                 }
                 else if (typeof(T) == typeof(SettingsWindow))
                 {
-                    newWindow = new SettingsWindow();
+                    window = new SettingsWindow();
+                }
+                else if (typeof(T) == typeof(MusicGalleryWindow))
+                {
+                    window = new MusicGalleryWindow();
                 }
                 else
                 {
                     throw new ArgumentException("Unsupported window type", nameof(T));
                 }
-                ((Window)newWindow).Activate();
-                TrackWindow(newWindow);
+                TrackWindow(window);
             }
+            var castedWindow = (Window)window;
+            castedWindow.Restore();
+            castedWindow.Activate();
         }
 
         public static void RestartApp(string args = "")
@@ -95,10 +86,32 @@ namespace BetterLyrics.WinUI3.Helper
             }
         }
 
+        public static void ExitApp()
+        {
+            LyricsWindow? lyricsWindow = WindowHelper.GetWindowByWindowType<LyricsWindow>();
+            if (lyricsWindow != null)
+            {
+                DockModeHelper.Disable(lyricsWindow);
+            }
+            Environment.Exit(0);
+        }
+
         private static void TrackWindow(object window)
         {
             if (!_activeWindows.Contains(window))
+            {
                 _activeWindows.Add(window);
+                var castedWindow = (Window)window;
+                castedWindow.Closed += WindowHelper_Closed;
+            }
+        }
+
+        private static void WindowHelper_Closed(object sender, WindowEventArgs args)
+        {
+            if (_activeWindows.Contains(sender))
+            {
+                _activeWindows.Remove(sender);
+            }
         }
     }
 }

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Messages/ShowNotificatonMessage.cs

@@ -1,9 +0,0 @@
-// 2025/6/23 by Zhe Fang
-
-using BetterLyrics.WinUI3.Models;
-using CommunityToolkit.Mvvm.Messaging.Messages;
-
-namespace BetterLyrics.WinUI3.Messages
-{
-    public class ShowNotificatonMessage(Notification value) : ValueChangedMessage<Notification>(value) { }
-}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Models/AlbumArtSearchProviderInfo.cs

@@ -0,0 +1,24 @@
+// 2025/6/23 by Zhe Fang
+
+using BetterLyrics.WinUI3.Enums;
+using CommunityToolkit.Mvvm.ComponentModel;
+
+namespace BetterLyrics.WinUI3.Models
+{
+    public partial class AlbumArtSearchProviderInfo : ObservableObject
+    {
+        [ObservableProperty]
+        public partial bool IsEnabled { get; set; }
+
+        [ObservableProperty]
+        public partial AlbumArtSearchProvider Provider { get; set; }
+
+        public AlbumArtSearchProviderInfo() { }
+
+        public AlbumArtSearchProviderInfo(AlbumArtSearchProvider provider, bool isEnabled)
+        {
+            Provider = provider;
+            IsEnabled = isEnabled;
+        }
+    }
+}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Models/GroupInfoList.cs

@@ -0,0 +1,25 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace BetterLyrics.WinUI3.Models
+{
+    public partial class GroupInfoList : List<object>
+    {
+        public required object Key { get; set; }
+
+        public GroupInfoList(IEnumerable<object> items, Func<object, object>? orderSelector = null)
+            : base(orderSelector != null
+                ? items.OrderBy(orderSelector)
+                : items)
+        {
+        }
+
+        public override string ToString()
+        {
+            return $"{Key}";
+        }
+    }
+}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Models/LanguageInfo.cs

@@ -0,0 +1,23 @@
+using CommunityToolkit.Mvvm.ComponentModel;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace BetterLyrics.WinUI3.Models
+{
+    public partial class LanguageInfo : ObservableObject
+    {
+        [ObservableProperty]
+        public partial string Code { get; set; }
+        [ObservableProperty]
+        public partial string Name { get; set; }
+
+        public LanguageInfo(string code, string name)
+        {
+            Code = code;
+            Name = name;
+        }
+    }
+}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Models/LocalLyricsFolder.cs

@@ -4,7 +4,7 @@ using CommunityToolkit.Mvvm.ComponentModel;
 
 namespace BetterLyrics.WinUI3.Models
 {
-    public partial class LocalLyricsFolder : ObservableObject
+    public partial class LocalMediaFolder : ObservableObject
     {
         [ObservableProperty]
         public partial bool IsEnabled { get; set; }
@@ -12,9 +12,9 @@ namespace BetterLyrics.WinUI3.Models
         [ObservableProperty]
         public partial string Path { get; set; }
 
-        public LocalLyricsFolder() { }
+        public LocalMediaFolder() { }
 
-        public LocalLyricsFolder(string path, bool isEnabled)
+        public LocalMediaFolder(string path, bool isEnabled)
         {
             Path = path;
             IsEnabled = isEnabled;

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Models/LyricsChar.cs

@@ -1,10 +1,12 @@
 // 2025/6/23 by Zhe Fang
 
+using BetterLyrics.WinUI3.Helper;
+
 namespace BetterLyrics.WinUI3.Models
 {
-    public class CharTiming
+    public class LyricsChar
     {
-        public int EndMs { get; set; }
+        public int? EndMs { get; set; }
         public int StartIndex { get; set; }
         public int StartMs { get; set; }
         public string Text { get; set; } = string.Empty;

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

@@ -1,15 +1,140 @@
-// 2025/6/23 by Zhe Fang
-
+using BetterLyrics.WinUI3.Helper;
+using BetterLyrics.WinUI3.Services;
+using Lyricify.Lyrics.Helpers.General;
+using System;
 using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using StringHelper = BetterLyrics.WinUI3.Helper.StringHelper;
 
 namespace BetterLyrics.WinUI3.Models
 {
     public class LyricsData
     {
-        public int LanguageIndex { get; set; } = 0;
+        public List<LyricsLine> LyricsLines { get; set; }
+        public string? LanguageCode => LanguageHelper.DetectLanguageCode(WrappedOriginalText);
+        public string WrappedOriginalText => string.Join(StringHelper.NewLine, LyricsLines.Select(line => line.OriginalText));
 
-        public List<LyricsLine> LyricsLines => MultiLangLyricsLines[LanguageIndex];
+        public LyricsData()
+        {
+            LyricsLines = [];
+        }
 
-        public List<List<LyricsLine>> MultiLangLyricsLines { get; set; } = [];
+        public LyricsData(List<LyricsLine> lyricsLines)
+        {
+            LyricsLines = lyricsLines;
+        }
+
+        public void SetDisplayedTextAlongWith(LyricsData translationData, int toleranceMs = 0)
+        {
+            foreach (var line in LyricsLines)
+            {
+                // 在翻译歌词中查找与当前行开始时间最接近且在容忍范围内的行
+                var transLine = translationData.LyricsLines
+                    .FirstOrDefault(t => Math.Abs(t.StartMs - line.StartMs) <= toleranceMs);
+
+                if (transLine != null)
+                {
+                    if (translationData.LanguageCode?.StartsWith("zh") == true)
+                    {
+                        string tmp = "";
+                        if (LanguageHelper.GetUserTargetLanguageCode() == "zh-Hant")
+                        {
+                            tmp = ChineseConverter.ConvertToTraditionalChinese(transLine.OriginalText);
+                        }
+                        else if (LanguageHelper.GetUserTargetLanguageCode() == "zh-Hans")
+                        {
+                            tmp = ChineseConverter.ConvertToSimplifiedChinese(transLine.OriginalText);
+                        }
+                        line.DisplayedText = $"{line.OriginalText}\n{tmp}";
+                    }
+                    else
+                    {
+                        line.DisplayedText = $"{line.OriginalText}\n{transLine.OriginalText}";
+                    }
+                }
+                else
+                {
+                    // 没有匹配的翻译，翻译部分留空
+                    line.DisplayedText = $"{line.OriginalText}";
+                }
+            }
+        }
+
+        public void SetDisplayedTextAlongWith(string translation)
+        {
+            List<string> translationArr = translation.Split(StringHelper.NewLine).ToList();
+            int i = 0;
+            foreach (var line in LyricsLines)
+            {
+                if (i >= translationArr.Count)
+                {
+                    line.DisplayedText = line.OriginalText; // No translation available, keep original text
+                }
+                else
+                {
+                    line.DisplayedText = $"{line.OriginalText}{StringHelper.NewLine}{translationArr[i]}";
+                }
+                i++;
+            }
+        }
+
+        public void SetDisplayedTextInOriginalText()
+        {
+            foreach (var line in LyricsLines)
+            {
+                line.DisplayedText = line.OriginalText;
+            }
+        }
+
+        public LyricsData CreateLyricsDataFrom(string translation)
+        {
+            var result = new LyricsData(LyricsLines.Select(line => new LyricsLine
+            {
+                StartMs = line.StartMs,
+                EndMs = line.EndMs,
+            }).ToList());
+            List<string> translationArr = translation.Split(StringHelper.NewLine).ToList();
+            int i = 0;
+            foreach (var line in result.LyricsLines)
+            {
+                if (i >= translationArr.Count)
+                {
+                    break;
+                }
+                else
+                {
+                    line.OriginalText = translationArr[i];
+                }
+                i++;
+            }
+            return result;
+        }
+
+        public static LyricsData GetNotfoundPlaceholder(int durationMs)
+        {
+            return new LyricsData([new LyricsLine
+            {
+                StartMs = 0,
+                EndMs = durationMs,
+                OriginalText = App.ResourceLoader!.GetString("LyricsNotFound"),
+                LyricsChars = [],
+            }]);
+        }
+
+        public static LyricsData GetLoadingPlaceholder()
+        {
+            return new LyricsData([
+                new LyricsLine
+                {
+                    StartMs = 0,
+                    EndMs = (int)TimeSpan.FromMinutes(99).TotalMilliseconds,
+                    OriginalText = "● ● ●",
+                    DisplayedText = "● ● ●",
+                    LyricsChars = [],
+                },
+            ]);
+        }
     }
 }

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Models/LyricsLine.cs

@@ -1,33 +1,101 @@
 // 2025/6/23 by Zhe Fang
 
+using BetterLyrics.WinUI3.Enums;
+using BetterLyrics.WinUI3.Helper;
+using Microsoft.Graphics.Canvas;
+using Microsoft.Graphics.Canvas.Geometry;
+using Microsoft.Graphics.Canvas.Text;
+using Microsoft.Graphics.Canvas.UI.Xaml;
 using System.Collections.Generic;
 using System.Numerics;
-using BetterLyrics.WinUI3.Helper;
-using Microsoft.Graphics.Canvas.Text;
+using Windows.UI;
 
 namespace BetterLyrics.WinUI3.Models
 {
     public class LyricsLine
     {
-        public ValueTransition<float> AngleTransition { get; set; } = new(initialValue: 0f, durationSeconds: 0.3f);
-        public ValueTransition<float> BlurAmountTransition { get; set; } = new(initialValue: 0f, durationSeconds: 0.3f);
-        public ValueTransition<float> HighlightOpacityTransition { get; set; } = new(initialValue: 0f, durationSeconds: 0.3f);
-        public ValueTransition<float> OpacityTransition { get; set; } = new(initialValue: 0f, durationSeconds: 0.3f);
-        public ValueTransition<float> ScaleTransition { get; set; } = new(initialValue: 0.95f, durationSeconds: 0.3f);
+        private const float _animationDuration = 0.3f;
+        public ValueTransition<float> AngleTransition { get; set; } = new(initialValue: 0f, durationSeconds: _animationDuration);
+        public ValueTransition<float> BlurAmountTransition { get; set; } = new(initialValue: 0f, durationSeconds: _animationDuration);
+        public ValueTransition<float> HighlightOpacityTransition { get; set; } = new(initialValue: 0f, durationSeconds: _animationDuration);
+        public ValueTransition<float> OpacityTransition { get; set; } = new(initialValue: 0f, durationSeconds: _animationDuration);
+        public ValueTransition<float> ScaleTransition { get; set; } = new(initialValue: 0.95f, durationSeconds: _animationDuration);
 
-        public CanvasTextLayout? CanvasTextLayout { get; set; }
+        public CanvasTextLayout? CanvasTextLayout { get; private set; }
 
-        public Vector2 CenterPosition { get; set; }
+        public Vector2 CenterPosition { get; private set; }
         public Vector2 Position { get; set; }
 
-        public List<CharTiming> CharTimings { get; set; } = [];
-
-        public int DurationMs => EndMs - StartMs;
-
-        public int EndMs { get; set; }
+        public List<LyricsChar> LyricsChars { get; set; } = [];
 
+        public int? DurationMs => EndMs - StartMs;
+        public int? EndMs { get; set; }
         public int StartMs { get; set; }
 
-        public string Text { get; set; } = "";
+        public string DisplayedText { get; set; } = "";
+        public string OriginalText { get; set; } = "";
+
+        public CanvasGeometry? TextGeometry { get; private set; }
+
+        public CanvasCommandList? BackgroundFontEffect { get; private set; }
+        public CanvasCommandList? ForegroundFontEffect { get; private set; }
+
+        public void UpdateCenterPosition(float maxWidth, TextAlignmentType type)
+        {
+            if (CanvasTextLayout == null)
+            {
+                return;
+            }
+            float centerY = Position.Y + (float)CanvasTextLayout.LayoutBounds.Height;
+            CenterPosition = type switch
+            {
+                TextAlignmentType.Left => new Vector2(Position.X, centerY),
+                TextAlignmentType.Center => new Vector2(Position.X + maxWidth / 2, centerY),
+                TextAlignmentType.Right => new Vector2(Position.X + maxWidth, centerY),
+                _ => throw new System.ArgumentOutOfRangeException(nameof(type), type, null),
+            };
+        }
+
+        public void UpdateTextLayout(ICanvasAnimatedControl control, CanvasTextFormat textFormat, float maxWidth, float maxHeight, TextAlignmentType type)
+        {
+            CanvasTextLayout?.Dispose();
+            CanvasTextLayout = null;
+            CanvasTextLayout = new CanvasTextLayout(control, DisplayedText, textFormat, maxWidth, maxHeight);
+            CanvasTextLayout.HorizontalAlignment = type.ToCanvasHorizontalAlignment();
+        }
+
+        public void UpdateTextGeometry()
+        {
+            TextGeometry?.Dispose();
+            TextGeometry = null;
+            if (CanvasTextLayout == null)
+            {
+                return;
+            }
+            TextGeometry = CanvasGeometry.CreateText(CanvasTextLayout);
+        }
+
+        public void UpdateFontEffect(ICanvasAnimatedControl control, bool drawStroke, Color strokeColor, int strokeWidth, Color fontColor)
+        {
+            BackgroundFontEffect?.Dispose();
+            BackgroundFontEffect = null;
+            ForegroundFontEffect?.Dispose();
+            ForegroundFontEffect = null;
+            if (TextGeometry == null)
+            {
+                return;
+            }
+            BackgroundFontEffect = new CanvasCommandList(control);
+            using var bgFontEffectDs = BackgroundFontEffect.CreateDrawingSession();
+            ForegroundFontEffect = new CanvasCommandList(control);
+            using var fgFontEffectDs = ForegroundFontEffect.CreateDrawingSession();
+            if (drawStroke)
+            {
+                bgFontEffectDs.DrawGeometry(TextGeometry, Position, strokeColor, strokeWidth); // 描边
+                fgFontEffectDs.DrawGeometry(TextGeometry, Position, strokeColor, strokeWidth); // 描边
+            }
+            bgFontEffectDs.FillGeometry(TextGeometry, Position, fontColor); // 填充
+            fgFontEffectDs.FillGeometry(TextGeometry, Position, fontColor); // 填充
+        }
     }
 }

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

@@ -0,0 +1,25 @@
+// 2025/6/23 by Zhe Fang
+
+using BetterLyrics.WinUI3.Enums;
+using CommunityToolkit.Mvvm.ComponentModel;
+
+namespace BetterLyrics.WinUI3.Models
+{
+    public partial class MediaSourceProviderInfo : ObservableObject
+    {
+        [ObservableProperty]
+        public partial bool IsEnabled { get; set; }
+
+        [ObservableProperty]
+        public partial string Provider { get; set; }
+
+        public MediaSourceProviderInfo() { }
+
+        public MediaSourceProviderInfo(string provider, bool isEnabled)
+        {
+            Provider = provider;
+            IsEnabled = isEnabled;
+        }
+
+    }
+}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Models/Notification.cs

@@ -1,35 +0,0 @@
-// 2025/6/23 by Zhe Fang
-
-using CommunityToolkit.Mvvm.ComponentModel;
-using Microsoft.UI.Xaml;
-using Microsoft.UI.Xaml.Controls;
-
-namespace BetterLyrics.WinUI3.Models
-{
-    public partial class Notification : ObservableObject
-    {
-        [ObservableProperty]
-        public partial bool IsForeverDismissable { get; set; }
-
-        [ObservableProperty]
-        public partial string? Message { get; set; }
-
-        [ObservableProperty]
-        public partial string? RelatedSettingsKeyName { get; set; }
-
-        [ObservableProperty]
-        public partial InfoBarSeverity Severity { get; set; }
-
-        [ObservableProperty]
-        public partial Visibility Visibility { get; set; }
-
-        public Notification(string? message = null, InfoBarSeverity severity = InfoBarSeverity.Informational, bool isForeverDismissable = false, string? relatedSettingsKeyName = null)
-        {
-            Message = message;
-            Severity = severity;
-            IsForeverDismissable = isForeverDismissable;
-            Visibility = IsForeverDismissable ? Visibility.Visible : Visibility.Collapsed;
-            RelatedSettingsKeyName = relatedSettingsKeyName;
-        }
-    }
-}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Models/PlayQueueItem.cs

@@ -0,0 +1,19 @@
+using ATL;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace BetterLyrics.WinUI3.Models
+{
+    public class PlayQueueItem
+    {
+        public Track Track { get; set; }
+
+        public PlayQueueItem(Track track)
+        {
+            Track = track;
+        }
+    }
+}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Models/SongInfo.cs

@@ -1,6 +1,8 @@
 // 2025/6/23 by Zhe Fang
 
 using CommunityToolkit.Mvvm.ComponentModel;
+using Windows.Graphics.Imaging;
+using Windows.UI;
 
 namespace BetterLyrics.WinUI3.Models
 {
@@ -9,11 +11,12 @@ namespace BetterLyrics.WinUI3.Models
         [ObservableProperty]
         public partial string? Album { get; set; }
 
-        public byte[]? AlbumArt { get; set; } = null;
-
         [ObservableProperty]
         public partial string Artist { get; set; }
 
+        [ObservableProperty]
+        public partial int? Duration { get; set; }
+
         [ObservableProperty]
         public partial double? DurationMs { get; set; }
 

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Models/SongsTabInfo.cs

@@ -0,0 +1,35 @@
+using BetterLyrics.WinUI3.Enums;
+
+namespace BetterLyrics.WinUI3.Models
+{
+    public class SongsTabInfo
+    {
+        public string Name { get; set; }
+
+        public string Icon { get; set; }
+
+        public bool IsClosable { get; set; }
+
+        public CommonSongProperty FilterProperty { get; set; }
+
+        public string FilterValue { get; set; }
+
+        public SongsTabInfo()
+        {
+            Name = string.Empty;
+            Icon = string.Empty;
+            IsClosable = true;
+            FilterProperty = CommonSongProperty.Title;
+            FilterValue = string.Empty;
+        }
+
+        public SongsTabInfo(string name, string icon, bool isClosable, CommonSongProperty filterProperty, string filterValue)
+        {
+            Name = name;
+            Icon = icon;
+            IsClosable = isClosable;
+            FilterProperty = filterProperty;
+            FilterValue = filterValue;
+        }
+    }
+}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Models/TranslateResponse.cs

@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Text.Json.Serialization;
+using System.Threading.Tasks;
+
+namespace BetterLyrics.WinUI3.Models
+{
+    public class TranslateResponse
+    {
+        [JsonPropertyName("translatedText")]
+        public string TranslatedText { get; set; }
+    }
+}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Models/TrimmedTrack.cs

@@ -0,0 +1,20 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace BetterLyrics.WinUI3.Models
+{
+    public class TrimmedTrack
+    {
+        public string Title { get; set; }
+        public string Artist { get; set; }
+        public string Album { get; set; }
+        public int? Year { get; set; }
+        public string Genre { get; set; }
+        public string FilePath { get; set; }
+        public int Duration { get; set; }
+        public byte[]? AlbumArt { get; set; }
+    }
+}

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

@@ -5,6 +5,7 @@
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
     xmlns:canvas="using:Microsoft.Graphics.Canvas.UI.Xaml"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+    xmlns:interactivity="using:Microsoft.Xaml.Interactivity"
     xmlns:local="using:BetterLyrics.WinUI3.Renderer"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     mc:Ignorable="d">
@@ -14,5 +15,15 @@
             x:Name="LyricsCanvas"
             Draw="LyricsCanvas_Draw"
             Update="LyricsCanvas_Update" />
+        <Grid
+            Margin="36"
+            HorizontalAlignment="Right"
+            VerticalAlignment="Top"
+            Visibility="{x:Bind ViewModel.IsTranslating, Mode=OneWay, Converter={StaticResource BoolToVisibilityConverter}}">
+            <FontIcon
+                x:Name="RotatingIcon"
+                FontFamily="{StaticResource IconFontFamily}"
+                Glyph="&#xE8C1;" />
+        </Grid>
     </Grid>
 </UserControl>

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

@@ -3,6 +3,7 @@
 using BetterLyrics.WinUI3.ViewModels;
 using CommunityToolkit.Mvvm.DependencyInjection;
 using Microsoft.UI.Xaml.Controls;
+using Microsoft.UI.Xaml.Media.Animation;
 
 namespace BetterLyrics.WinUI3.Renderer
 {

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Serialization/SourceGenerationContext.cs

@@ -8,9 +8,12 @@ using BetterLyrics.WinUI3.Models;
 namespace BetterLyrics.WinUI3.Serialization
 {
 
+    [JsonSerializable(typeof(List<AlbumArtSearchProviderInfo>))]
     [JsonSerializable(typeof(List<LyricsSearchProviderInfo>))]
-    [JsonSerializable(typeof(List<LocalLyricsFolder>))]
+    [JsonSerializable(typeof(List<MediaSourceProviderInfo>))]
+    [JsonSerializable(typeof(List<LocalMediaFolder>))]
     [JsonSerializable(typeof(List<string>))]
+    [JsonSerializable(typeof(TranslateResponse))]
     [JsonSerializable(typeof(JsonElement))]
     [JsonSourceGenerationOptions(WriteIndented = true)]
     internal partial class SourceGenerationContext : JsonSerializerContext { }

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

@@ -0,0 +1,141 @@
+using ATL;
+using BetterLyrics.WinUI3.Enums;
+using BetterLyrics.WinUI3.Helper;
+using CommunityToolkit.Mvvm.DependencyInjection;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net;
+using System.Net.Http;
+using System.Text;
+using System.Text.Encodings.Web;
+using System.Text.Json;
+using System.Threading.Tasks;
+
+namespace BetterLyrics.WinUI3.Services
+{
+    public class AlbumArtSearchService : IAlbumArtSearchService
+    {
+        private readonly HttpClient _iTunesHttpClinet;
+
+        private readonly ISettingsService _settingsService;
+        private readonly ILogger _logger;
+
+        public AlbumArtSearchService(ISettingsService settingsService)
+        {
+            _settingsService = settingsService;
+            _logger = Ioc.Default.GetRequiredService<ILogger<AlbumArtSearchService>>();
+            _iTunesHttpClinet = new();
+        }
+
+        public async Task<byte[]?> SearchAsync(string title, string artist, string album, byte[]? bytesFromSMTC = null)
+        {
+            byte[]? result = null;
+
+            foreach (var provider in _settingsService.AlbumArtSearchProvidersInfo)
+            {
+                if (!provider.IsEnabled)
+                {
+                    continue;
+                }
+
+                switch (provider.Provider)
+                {
+                    case AlbumArtSearchProvider.Local:
+                        result = SearchFile(artist, album);
+                        break;
+                    case AlbumArtSearchProvider.SMTC:
+                        result = bytesFromSMTC;
+                        break;
+                    case AlbumArtSearchProvider.iTunes:
+                        foreach (string countryCode in new List<string>() { "us", "cn", "jp", "kr" })
+                        {
+                            result = await SearchiTunesAsync(artist, album, title, countryCode);
+                            if (result != null) break;
+                        }
+                        break;
+                    default:
+                        break;
+                }
+
+                if (result != null) return result;
+            }
+            return null;
+        }
+
+        private byte[]? SearchFile(string artist, string album)
+        {
+            foreach (var folder in _settingsService.LocalMediaFolders)
+            {
+                if (Directory.Exists(folder.Path) && folder.IsEnabled)
+                {
+                    foreach (var file in Directory.GetFiles(folder.Path, $"*.*", SearchOption.AllDirectories))
+                    {
+                        if (FileHelper.IsSwitchableNormalizedMatch(Path.GetFileNameWithoutExtension(file), album, artist))
+                        {
+                            Track track = new(file);
+                            var bytes = track.EmbeddedPictures.FirstOrDefault()?.PictureData;
+                            if (bytes != null)
+                            {
+                                return bytes;
+                            }
+                        }
+                    }
+                }
+            }
+            return null;
+        }
+
+        private async Task<byte[]?> SearchiTunesAsync(string artist, string album, string title, string countryCode)
+        {
+            // Source: https://gist.github.com/mcworkaholic/82fbf203e3f1043bbe534b5b2974c0ce
+            try
+            {
+                string format = ".jpg";
+                var cachedAlbumArt = FileHelper.ReadAlbumArtCache(artist, album, format, PathHelper.iTunesAlbumArtCacheDirectory);
+
+                if (cachedAlbumArt != null)
+                {
+                    return cachedAlbumArt;
+                }
+
+                // 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";
+
+                // Make a request to the API
+                using HttpResponseMessage response = await _iTunesHttpClinet.GetAsync(url);
+                response.EnsureSuccessStatusCode();
+                string responseBody = await response.Content.ReadAsStringAsync();
+
+                // Parse the JSON response
+                var data = JsonSerializer.Deserialize(responseBody, Serialization.SourceGenerationContext.Default.JsonElement);
+
+                if (data.TryGetProperty("results", out var results) && results.ValueKind == JsonValueKind.Array && results.GetArrayLength() > 0)
+                {
+                    // Get the first result
+                    var result = results[0];
+                    if (result.TryGetProperty("artworkUrl100", out var artworkUrlProp))
+                    {
+                        string artworkUrl = artworkUrlProp.GetString()?.Replace("100x100bb.jpg", "1200x1200bb.jpg") ?? string.Empty;
+                        var fetched = await _iTunesHttpClinet.GetByteArrayAsync(artworkUrl);
+
+                        if (fetched != null && fetched.Length > 0)
+                        {
+                            // Write to cache
+                            FileHelper.WriteAlbumArtCache(artist, album, fetched, format, PathHelper.iTunesAlbumArtCacheDirectory);
+                            return fetched;
+                        }
+                    }
+                }
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Error searching iTunes album art for {Artist} - {Album}", artist, album);
+            }
+            return null;
+        }
+
+    }
+}

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

@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace BetterLyrics.WinUI3.Services
+{
+    public interface IAlbumArtSearchService
+    {
+        Task<byte[]?> SearchAsync(string title, string artist, string album, byte[]? bytesFromSMTC = null);
+    }
+}

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

@@ -14,6 +14,6 @@ namespace BetterLyrics.WinUI3.Services
     {
         event EventHandler<LibChangedEventArgs>? MusicLibraryFilesChanged;
 
-        public void UpdateWatchers(List<LocalLyricsFolder> folders);
+        public void UpdateWatchers(List<LocalMediaFolder> folders);
     }
 }

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

@@ -0,0 +1,14 @@
+// 2025/6/23 by Zhe Fang
+
+using System.Collections.Generic;
+using System.Threading;
+using System.Threading.Tasks;
+using BetterLyrics.WinUI3.Enums;
+
+namespace BetterLyrics.WinUI3.Services
+{
+    public interface ILyricsSearchService
+    {
+        Task<(string?, LyricsSearchProvider?)> SearchAsync(string title, string artist, string album, double durationMs, CancellationToken token);
+    }
+}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Services/IMusicSearchService.cs

@@ -1,21 +0,0 @@
-// 2025/6/23 by Zhe Fang
-
-using System.Collections.Generic;
-using System.Threading.Tasks;
-using BetterLyrics.WinUI3.Enums;
-
-namespace BetterLyrics.WinUI3.Services
-{
-    public interface IMusicSearchService
-    {
-        byte[]? SearchAlbumArtAsync(string title, string artist);
-
-        Task<(string?, LyricsFormat?)> SearchLyricsAsync(
-            string title,
-            string artist,
-            string album = "",
-            double durationMs = 0.0,
-            MusicSearchMatchMode matchMode = MusicSearchMatchMode.TitleAndArtist
-        );
-    }
-}

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Services/IPlaybackService.cs

@@ -1,6 +1,7 @@
 // 2025/6/23 by Zhe Fang
 
 using System;
+using System.Threading.Tasks;
 using BetterLyrics.WinUI3.Events;
 using BetterLyrics.WinUI3.Models;
 
@@ -9,15 +10,18 @@ namespace BetterLyrics.WinUI3.Services
     public interface IPlaybackService
     {
         event EventHandler<IsPlayingChangedEventArgs>? IsPlayingChanged;
-
-        event EventHandler<PositionChangedEventArgs>? PositionChanged;
-
+        event EventHandler<TimelineChangedEventArgs>? TimelineChanged;
         event EventHandler<SongInfoChangedEventArgs>? SongInfoChanged;
+        event EventHandler<AlbumArtChangedEventArgs>? AlbumArtChangedChanged;
+        event EventHandler<MediaSourceProvidersInfoEventArgs>? MediaSourceProvidersInfoChanged;
+
+        Task PlayAsync();
+        Task PauseAsync();
+        Task PreviousAsync();
+        Task NextAsync();
+        Task ChangePosition(double seconds);
 
         bool IsPlaying { get; }
-
-        TimeSpan Position { get; }
-
         SongInfo? SongInfo { get; }
     }
 }

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

@@ -3,10 +3,8 @@
 using System.Collections.Generic;
 using BetterLyrics.WinUI3.Enums;
 using BetterLyrics.WinUI3.Models;
-using Microsoft.UI.Text;
 using Microsoft.UI.Xaml;
 using Windows.UI;
-using Windows.UI.Text;
 
 namespace BetterLyrics.WinUI3.Services
 {
@@ -21,6 +19,7 @@ namespace BetterLyrics.WinUI3.Services
         int CoverOverlayBlurAmount { get; set; }
         int CoverOverlayOpacity { get; set; }
         bool IsDynamicCoverOverlayEnabled { get; set; }
+        int CoverAcrylicEffectAmount { get; set; }
         bool IsFanLyricsEnabled { get; set; }
         bool IsFirstRun { get; set; }
         bool IsLyricsGlowEffectEnabled { get; set; }
@@ -29,33 +28,84 @@ namespace BetterLyrics.WinUI3.Services
         int DesktopWindowTop { get; set; }
         int DesktopWindowWidth { get; set; }
         int DesktopWindowHeight { get; set; }
+
+        int StandardWindowWidth { get; set; }
+        int StandardWindowHeight { get; set; }
+        int StandardWindowLeft { get; set; }
+        int StandardWindowTop { get; set; }
+
         bool AutoLockOnDesktopMode { get; set; }
 
+        string LibreTranslateServer { get; set; }
+        int SelectedTargetLanguageIndex { get; set; }
+        bool ResetPositionOffsetOnSongChanged { get; set; }
+        int PositionOffset { get; set; }
         // Lyrics lib
 
-        List<LocalLyricsFolder> LocalLyricsFolders { get; set; }
+        List<LocalMediaFolder> LocalMediaFolders { get; set; }
 
         // Lyrics style and effetc
 
-        LyricsAlignmentType LyricsAlignmentType { get; set; }
+        TextAlignmentType LyricsAlignmentType { get; set; }
+        TextAlignmentType SongInfoAlignmentType { get; set; }
 
         int LyricsBlurAmount { get; set; }
 
-        Color LyricsCustomFontColor { get; set; }
+        Color LyricsCustomBgFontColor { get; set; }
+        Color LyricsCustomFgFontColor { get; set; }
+        Color LyricsCustomStrokeFontColor { get; set; }
 
-        LyricsFontColorType LyricsFontColorType { get; set; }
+        int LyricsBgFontOpacity { get; set; }
 
-        int LyricsFontSize { get; set; }
+        LyricsFontColorType LyricsBgFontColorType { get; set; }
+        LyricsFontColorType LyricsFgFontColorType { get; set; }
+        LyricsFontColorType LyricsStrokeFontColorType { get; set; }
+
+        int LyricsStandardFontSize { get; set; }
+        int LyricsDockFontSize { get; set; }
+        int LyricsDesktopFontSize { get; set; }
+
+        ElementTheme LyricsBackgroundTheme { get; set; }
+
+        int LyricsFontStrokeWidth { get; set; }
 
         LyricsFontWeight LyricsFontWeight { get; set; }
 
         LineRenderingType LyricsGlowEffectScope { get; set; }
+        LineRenderingType LyricsHighlightScope { get; set; }
+
+        bool IsLyricsFloatAnimationEnabled { get; set; }
 
         float LyricsLineSpacingFactor { get; set; }
 
         List<LyricsSearchProviderInfo> LyricsSearchProvidersInfo { get; set; }
+        List<AlbumArtSearchProviderInfo> AlbumArtSearchProvidersInfo { get; set; }
+        List<MediaSourceProviderInfo> MediaSourceProvidersInfo { get; set; }
+
+        EasingType LyricsScrollEasingType { get; set; }
+        int LyricsScrollDuration { get; set; }
 
         int LyricsVerticalEdgeOpacity { get; set; }
 
+        bool IgnoreFullscreenWindow { get; set; }
+
+        bool IsTranslationEnabled { get; set; }
+        bool ShowTranslationOnly { get; set; }
+
+        LyricsDisplayType DisplayType { get; set; }
+
+        int TimelineSyncThreshold { get; set; }
+        int LockHotKeyIndex { get; set; }
+        bool IsImmersiveMode { get; set; }
+        string LXMusicServer { get; set; }
+        DockPlacement DockPlacement { get; set; }
+        bool HideWindowWhenNotPlaying { get; set; }
+        int DockWindowHeight { get; set; }
+        int SelectedFontFamilyIndex { get; set; }
+        string LyricsFontFamily { get; set; }
+        bool IsDragEverywhereEnabled { get; set; }
+        PlaybackOrder PlaybackOrder { get; set; }
+        bool IsLibreTranslateEnabled { get; set; }
+        string DockMonitorDeviceName { get; set; }
     }
 }

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

@@ -0,0 +1,17 @@
+using BetterLyrics.WinUI3.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace BetterLyrics.WinUI3.Services
+{
+    public interface ITranslateService
+    {
+        Task<string> TranslateTextAsync(string text, string targetLangCode, CancellationToken? token);
+
+        int SearchTranslatedLyricsItself(List<LyricsData> lyricsDataArr);
+    }
+}

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

@@ -6,19 +6,18 @@ using System.IO;
 using System.Linq;
 using BetterLyrics.WinUI3.Events;
 using BetterLyrics.WinUI3.Models;
+using BetterLyrics.WinUI3.ViewModels;
+using Microsoft.UI.Dispatching;
 
 namespace BetterLyrics.WinUI3.Services
 {
-    public class LibWatcherService : IDisposable, ILibWatcherService
+    public class LibWatcherService : BaseViewModel, IDisposable, ILibWatcherService
     {
-        private readonly ISettingsService _settingsService;
-
         private readonly Dictionary<string, FileSystemWatcher> _watchers = [];
 
-        public LibWatcherService(ISettingsService settingsService)
+        public LibWatcherService(ISettingsService settingsService) : base(settingsService)
         {
-            _settingsService = settingsService;
-            UpdateWatchers(_settingsService.LocalLyricsFolders);
+            UpdateWatchers(_settingsService.LocalMediaFolders);
         }
 
         public event EventHandler<LibChangedEventArgs>? MusicLibraryFilesChanged;
@@ -32,7 +31,7 @@ namespace BetterLyrics.WinUI3.Services
             _watchers.Clear();
         }
 
-        public void UpdateWatchers(List<LocalLyricsFolder> folders)
+        public void UpdateWatchers(List<LocalMediaFolder> folders)
         {
             // 移除不再监听的
             foreach (var key in _watchers.Keys.ToList())
@@ -69,16 +68,13 @@ namespace BetterLyrics.WinUI3.Services
 
         private void OnChanged(string folder, FileSystemEventArgs e)
         {
-            App.DispatcherQueue!.TryEnqueue(
-                Microsoft.UI.Dispatching.DispatcherQueuePriority.High,
-                () =>
-                {
-                    MusicLibraryFilesChanged?.Invoke(
-                        this,
-                        new LibChangedEventArgs(folder, e.FullPath, e.ChangeType)
-                    );
-                }
-            );
+            _dispatcherQueue.TryEnqueue(DispatcherQueuePriority.Low, () =>
+            {
+                MusicLibraryFilesChanged?.Invoke(
+                    this,
+                    new LibChangedEventArgs(folder, e.FullPath, e.ChangeType)
+                );
+            });
         }
     }
 }

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

@@ -1,37 +1,61 @@
 // 2025/6/23 by Zhe Fang
 
+using ATL;
+using BetterLyrics.WinUI3.Enums;
+using BetterLyrics.WinUI3.Helper;
+using CommunityToolkit.Mvvm.DependencyInjection;
+using Lyricify.Lyrics.Providers.Web.Kugou;
+using Lyricify.Lyrics.Searchers;
+using Microsoft.Extensions.Logging;
+using NTextCat.Commons;
 using System;
 using System.IO;
 using System.Linq;
 using System.Net.Http;
 using System.Text;
 using System.Text.Json;
+using System.Threading;
 using System.Threading.Tasks;
-using ATL;
-using BetterLyrics.WinUI3.Enums;
-using BetterLyrics.WinUI3.Helper;
-using Lyricify.Lyrics.Providers.Web.Kugou;
-using Lyricify.Lyrics.Searchers;
+using Windows.Storage;
 
 namespace BetterLyrics.WinUI3.Services
 {
-    public class MusicSearchService : IMusicSearchService
+    public class LyricsSearchService : ILyricsSearchService
     {
         private readonly HttpClient _amllTtmlDbHttpClient;
-
         private readonly HttpClient _lrcLibHttpClient;
 
         private readonly ISettingsService _settingsService;
+        private readonly ILogger _logger;
 
-        public MusicSearchService(ISettingsService settingsService)
+        public LyricsSearchService(ISettingsService settingsService)
         {
             _settingsService = settingsService;
-            _lrcLibHttpClient = new HttpClient();
+            _logger = Ioc.Default.GetRequiredService<ILogger<LyricsSearchService>>();
+
+            _lrcLibHttpClient = new();
             _lrcLibHttpClient.DefaultRequestHeaders.Add(
                 "User-Agent",
-                $"{AppInfo.AppName} {AppInfo.AppVersion} ({AppInfo.GithubUrl})"
+                $"{MetadataHelper.AppName} {MetadataHelper.AppVersion} ({MetadataHelper.GithubUrl})"
             );
-            _amllTtmlDbHttpClient = new HttpClient();
+            _amllTtmlDbHttpClient = new();
+        }
+
+        private static bool IsAmllTtmlDbIndexInvalid()
+        {
+            bool existed = File.Exists(PathHelper.AmllTtmlDbIndexPath);
+
+            if (!existed)
+            {
+                return true;
+            }
+            else
+            {
+                long currentTs = DateTimeOffset.UtcNow.ToUnixTimeSeconds();
+                string lastUpdatedStr = File.ReadAllText(PathHelper.AmllTtmlDbLastUpdatedPath);
+                long lastUpdated = Convert.ToInt64(lastUpdatedStr);
+                return currentTs - lastUpdated > 1 * 24 * 60 * 60;
+            }
         }
 
         public async Task<bool> DownloadAmllTtmlDbIndexAsync()
@@ -44,13 +68,16 @@ namespace BetterLyrics.WinUI3.Services
 
                 await using var stream = await response.Content.ReadAsStreamAsync();
                 await using var fs = new FileStream(
-                    AppInfo.AmllTtmlDbIndexPath,
+                    PathHelper.AmllTtmlDbIndexPath,
                     FileMode.Create,
                     FileAccess.Write,
                     FileShare.None
                 );
                 await stream.CopyToAsync(fs);
 
+                long currentTs = DateTimeOffset.UtcNow.ToUnixTimeSeconds();
+                File.WriteAllText(PathHelper.AmllTtmlDbLastUpdatedPath, currentTs.ToString());
+
                 return true;
             }
             catch
@@ -59,131 +86,96 @@ namespace BetterLyrics.WinUI3.Services
             }
         }
 
-        public byte[]? SearchAlbumArtAsync(string title, string artist)
+        public async Task<(string?, LyricsSearchProvider?)> SearchAsync(string title, string artist, string album, double durationMs, CancellationToken token)
         {
-            foreach (var folder in _settingsService.LocalLyricsFolders)
+            _logger.LogInformation("Searching img for: {Title} - {Artist} (Album: {Album}, Duration: {DurationMs}ms)", title, artist, album, durationMs);
+
+            try
             {
-                if (Directory.Exists(folder.Path) && folder.IsEnabled)
+                foreach (var provider in _settingsService.LyricsSearchProvidersInfo)
                 {
-                    foreach (var file in Directory.GetFiles(folder.Path, $"*.*", SearchOption.AllDirectories))
+                    if (!provider.IsEnabled)
                     {
-                        if (MusicMatch(Path.GetFileNameWithoutExtension(file), title, artist))
+                        continue;
+                    }
+
+                    string? cachedLyrics;
+                    LyricsFormat lyricsFormat = provider.Provider.GetLyricsFormat();
+
+                    // Check cache first
+                    if (provider.Provider.IsRemote())
+                    {
+                        cachedLyrics = FileHelper.ReadLyricsCache(title, artist, lyricsFormat, provider.Provider.GetCacheDirectory());
+                        if (!string.IsNullOrWhiteSpace(cachedLyrics))
                         {
-                            Track track = new(file);
-                            var bytes = track.EmbeddedPictures.FirstOrDefault()?.PictureData;
-                            if (bytes != null)
-                            {
-                                return bytes;
-                            }
+                            return (cachedLyrics, provider.Provider);
                         }
                     }
-                }
-            }
 
-            return null;
-        }
+                    string? searchedLyrics = null;
 
-        public async Task<(string?, LyricsFormat?)> SearchLyricsAsync(
-            string title, string artist, string album = "", double durationMs = 0.0,
-            MusicSearchMatchMode matchMode = MusicSearchMatchMode.TitleArtistAlbumAndDuration
-        )
-        {
-            foreach (var provider in _settingsService.LyricsSearchProvidersInfo)
-            {
-                if (!provider.IsEnabled)
-                {
-                    continue;
-                }
-
-                string? cachedLyrics;
-                LyricsFormat lyricsFormat = provider.Provider.GetLyricsFormat();
-
-                // Check cache first
-                if (provider.Provider.IsRemote())
-                {
-                    cachedLyrics = ReadCache(title, artist, lyricsFormat, provider.Provider.GetCacheDirectory());
-                    if (!string.IsNullOrWhiteSpace(cachedLyrics))
+                    if (provider.Provider.IsLocal())
                     {
-                        return (cachedLyrics, lyricsFormat);
-                    }
-                }
-
-                string? searchedLyrics = null;
-
-                if (provider.Provider.IsLocal())
-                {
-                    if (provider.Provider == LyricsSearchProvider.LocalMusicFile)
-                    {
-                        searchedLyrics = LocalLyricsSearchInMusicFiles(title, artist);
+                        if (provider.Provider == LyricsSearchProvider.LocalMusicFile)
+                        {
+                            searchedLyrics = SearchEmbedded(title, artist);
+                        }
+                        else
+                        {
+                            searchedLyrics = await SearchFile(title, artist, lyricsFormat);
+                        }
                     }
                     else
                     {
-                        searchedLyrics = await LocalLyricsSearchInLyricsFiles(title, artist, lyricsFormat);
-                    }
-                }
-                else
-                {
-                    switch (provider.Provider)
-                    {
-                        case LyricsSearchProvider.LrcLib:
-                            searchedLyrics = await SearchLrcLibAsync(title, artist, album, (int)(durationMs / 1000), matchMode);
-                            break;
-                        case LyricsSearchProvider.QQ:
-                            searchedLyrics = await SearchUsingLyricifyAsync(title, artist, album, (int)durationMs, matchMode, Searchers.QQMusic);
-                            break;
-                        case LyricsSearchProvider.Kugou:
-                            searchedLyrics = await SearchUsingLyricifyAsync(title, artist, album, (int)durationMs, matchMode, Searchers.Kugou);
-                            break;
-                        case LyricsSearchProvider.Netease:
-                            searchedLyrics = await SearchUsingLyricifyAsync(title, artist, album, (int)durationMs, matchMode, Searchers.Netease);
-                            break;
-                        case LyricsSearchProvider.AmllTtmlDb:
-                            searchedLyrics = await SearchAmllTtmlDbAsync(title, artist);
-                            break;
-                        default:
-                            break;
-                    }
-                }
-
-                if (!string.IsNullOrWhiteSpace(searchedLyrics))
-                {
-                    if (provider.Provider.IsRemote())
-                    {
-                        WriteCache(title, artist, searchedLyrics, lyricsFormat, provider.Provider.GetCacheDirectory());
+                        switch (provider.Provider)
+                        {
+                            case LyricsSearchProvider.LrcLib:
+                                searchedLyrics = await SearchLrcLibAsync(title, artist, album, (int)(durationMs / 1000));
+                                break;
+                            case LyricsSearchProvider.QQ:
+                                searchedLyrics = await SearchQQNeteaseKugouAsync(title, artist, album, (int)durationMs, Searchers.QQMusic);
+                                break;
+                            case LyricsSearchProvider.Kugou:
+                                searchedLyrics = await SearchQQNeteaseKugouAsync(title, artist, album, (int)durationMs, Searchers.Kugou);
+                                break;
+                            case LyricsSearchProvider.Netease:
+                                searchedLyrics = await SearchQQNeteaseKugouAsync(title, artist, album, (int)durationMs, Searchers.Netease);
+                                break;
+                            case LyricsSearchProvider.AmllTtmlDb:
+                                searchedLyrics = await SearchAmllTtmlDbAsync(title, artist);
+                                break;
+                            default:
+                                break;
+                        }
                     }
 
-                    return (searchedLyrics, lyricsFormat == LyricsFormat.NotSpecified ? searchedLyrics.DetectFormat() : lyricsFormat);
+                    token.ThrowIfCancellationRequested();
+
+                    if (!string.IsNullOrWhiteSpace(searchedLyrics))
+                    {
+                        if (provider.Provider.IsRemote())
+                        {
+                            FileHelper.WriteLyricsCache(title, artist, searchedLyrics, lyricsFormat, provider.Provider.GetCacheDirectory());
+                        }
+
+                        return (searchedLyrics, provider.Provider);
+                    }
                 }
             }
+            catch (Exception) { }
 
             return (null, null);
         }
 
-        private static bool MusicMatch(string fileName, string title, string artist)
+        private async Task<string?> SearchFile(string title, string artist, LyricsFormat format)
         {
-            return fileName.Contains(title) && fileName.Contains(artist);
-        }
-
-        private static string SanitizeFileName(string fileName, char replacement = '_')
-        {
-            var invalidChars = Path.GetInvalidFileNameChars();
-            var sb = new StringBuilder(fileName.Length);
-            foreach (var c in fileName)
-            {
-                sb.Append(Array.IndexOf(invalidChars, c) >= 0 ? replacement : c);
-            }
-            return sb.ToString();
-        }
-
-        private async Task<string?> LocalLyricsSearchInLyricsFiles(string title, string artist, LyricsFormat format)
-        {
-            foreach (var folder in _settingsService.LocalLyricsFolders)
+            foreach (var folder in _settingsService.LocalMediaFolders)
             {
                 if (Directory.Exists(folder.Path) && folder.IsEnabled)
                 {
                     foreach (var file in Directory.GetFiles(folder.Path, $"*{format.ToFileExtension()}", SearchOption.AllDirectories))
                     {
-                        if (MusicMatch(Path.GetFileNameWithoutExtension(file), title, artist))
+                        if (FileHelper.IsSwitchableNormalizedMatch(Path.GetFileNameWithoutExtension(file), title, artist))
                         {
                             string? raw = await File.ReadAllTextAsync(file, FileHelper.GetEncoding(file));
                             if (raw != null)
@@ -197,15 +189,15 @@ namespace BetterLyrics.WinUI3.Services
             return null;
         }
 
-        private string? LocalLyricsSearchInMusicFiles(string title, string artist)
+        private string? SearchEmbedded(string title, string artist)
         {
-            foreach (var folder in _settingsService.LocalLyricsFolders)
+            foreach (var folder in _settingsService.LocalMediaFolders)
             {
                 if (Directory.Exists(folder.Path) && folder.IsEnabled)
                 {
                     foreach (var file in Directory.GetFiles(folder.Path, $"*.*", SearchOption.AllDirectories))
                     {
-                        if (MusicMatch(Path.GetFileNameWithoutExtension(file), title, artist))
+                        if (FileHelper.IsSwitchableNormalizedMatch(Path.GetFileNameWithoutExtension(file), title, artist))
                         {
                             try
                             {
@@ -224,30 +216,17 @@ namespace BetterLyrics.WinUI3.Services
             return null;
         }
 
-        private string? ReadCache(string title, string artist, LyricsFormat format, string cacheFolderPath)
-        {
-            var safeArtist = SanitizeFileName(artist);
-            var safeTitle = SanitizeFileName(title);
-            var cacheFilePath = Path.Combine(cacheFolderPath, $"{safeArtist} - {safeTitle}{format.ToFileExtension()}");
-            if (File.Exists(cacheFilePath))
-            {
-                return File.ReadAllText(cacheFilePath);
-            }
-            return null;
-        }
-
         private async Task<string?> SearchAmllTtmlDbAsync(string title, string artist)
         {
-            // 检索本地 JSONL 索引文件，查找 rawLyricFile
-            if (!File.Exists(AppInfo.AmllTtmlDbIndexPath))
+            if (IsAmllTtmlDbIndexInvalid())
             {
                 var downloadOk = await DownloadAmllTtmlDbIndexAsync();
-                if (!downloadOk || !File.Exists(AppInfo.AmllTtmlDbIndexPath))
+                if (!downloadOk)
                     return null;
             }
 
             string? rawLyricFile = null;
-            await foreach (var line in File.ReadLinesAsync(AppInfo.AmllTtmlDbIndexPath))
+            await foreach (var line in File.ReadLinesAsync(PathHelper.AmllTtmlDbIndexPath))
             {
                 if (string.IsNullOrWhiteSpace(line))
                     continue;
@@ -273,7 +252,7 @@ namespace BetterLyrics.WinUI3.Services
                     if (musicName == null || artists == null)
                         continue;
 
-                    if (MusicMatch($"{artists} - {musicName}", title, artist))
+                    if (FileHelper.IsSwitchableNormalizedMatch($"{artists} - {musicName}", title, artist))
                     {
                         if (root.TryGetProperty("rawLyricFile", out var rawLyricFileProp))
                         {
@@ -292,7 +271,7 @@ namespace BetterLyrics.WinUI3.Services
             var url = $"https://raw.githubusercontent.com/Steve-xmh/amll-ttml-db/refs/heads/main/raw-lyrics/{rawLyricFile}";
             try
             {
-                var response = await _amllTtmlDbHttpClient.GetAsync(url);
+                using var response = await _amllTtmlDbHttpClient.GetAsync(url);
                 if (!response.IsSuccessStatusCode)
                     return null;
                 return await response.Content.ReadAsStringAsync();
@@ -303,22 +282,17 @@ namespace BetterLyrics.WinUI3.Services
             }
         }
 
-        private async Task<string?> SearchLrcLibAsync(string title, string artist, string album, int duration, MusicSearchMatchMode matchMode)
+        private async Task<string?> SearchLrcLibAsync(string title, string artist, string album, int duration)
         {
             // Build API query URL
             var url =
-                $"https://lrclib.net/api/search?"
-                + $"track_name={Uri.EscapeDataString(title)}&"
-                + $"artist_name={Uri.EscapeDataString(artist)}";
+                $"https://lrclib.net/api/search?" +
+                $"track_name={Uri.EscapeDataString(title)}&" +
+                $"artist_name={Uri.EscapeDataString(artist)}&" +
+                $"&album_name={Uri.EscapeDataString(album)}" +
+                $"&durationMs={Uri.EscapeDataString(duration.ToString())}";
 
-            if (matchMode == MusicSearchMatchMode.TitleArtistAlbumAndDuration)
-            {
-                url +=
-                    $"&album_name={Uri.EscapeDataString(album)}"
-                    + $"&durationMs={Uri.EscapeDataString(duration.ToString())}";
-            }
-
-            var response = await _lrcLibHttpClient.GetAsync(url);
+            using var response = await _lrcLibHttpClient.GetAsync(url);
             if (!response.IsSuccessStatusCode)
                 return null;
 
@@ -342,21 +316,13 @@ namespace BetterLyrics.WinUI3.Services
             return null;
         }
 
-        private async Task<string?> SearchUsingLyricifyAsync(
-            string title,
-            string artist,
-            string album,
-            int durationMs,
-            MusicSearchMatchMode matchMode,
-            Searchers searchers
-        )
+        private static async Task<string?> SearchQQNeteaseKugouAsync(string title, string artist, string album, int durationMs, Searchers searchers)
         {
             var result = await SearchersHelper.GetSearcher(searchers).SearchForResult(
                 new Lyricify.Lyrics.Models.TrackMultiArtistMetadata()
                 {
-                    DurationMs = matchMode == MusicSearchMatchMode.TitleArtistAlbumAndDuration ? durationMs : null,
-                    Album = matchMode == MusicSearchMatchMode.TitleArtistAlbumAndDuration ? album : null,
-                    AlbumArtists = [artist],
+                    DurationMs = durationMs,
+                    Album = album,
                     Artists = [artist],
                     Title = title,
                 }
@@ -364,18 +330,40 @@ namespace BetterLyrics.WinUI3.Services
 
             if (result is QQMusicSearchResult qqResult)
             {
-                var response = await Lyricify.Lyrics.Decrypter.Qrc.Helper.GetLyricsAsync(qqResult.Id);
+                var response = await Lyricify.Lyrics.Helpers.ProviderHelper.QQMusicApi.GetLyricsAsync(qqResult.Id);
                 var original = response?.Lyrics;
+                var translated = response?.Trans;
+                if (!string.IsNullOrEmpty(translated))
+                {
+                    FileHelper.WriteLyricsCache(
+                        title,
+                        artist,
+                        translated,
+                        LyricsFormat.Lrc,
+                        PathHelper.QQTranslationCacheDirectory
+                    );
+                }
                 return original;
             }
             else if (result is NeteaseSearchResult neteaseResult)
             {
                 var response = await Lyricify.Lyrics.Helpers.ProviderHelper.NeteaseApi.GetLyric(neteaseResult.Id);
+                var translated = response?.Tlyric?.Lyric;
+                if (!string.IsNullOrEmpty(translated))
+                {
+                    FileHelper.WriteLyricsCache(
+                        title,
+                        artist,
+                        translated,
+                        LyricsFormat.Lrc,
+                        PathHelper.NeteaseTranslationCacheDirectory
+                    );
+                }
                 return response?.Lrc.Lyric;
             }
             else if (result is KugouSearchResult kugouResult)
             {
-                var response = await Lyricify.Lyrics.Helpers.ProviderHelper.KugouApi.GetSearchLyrics(kugouResult.Hash);
+                var response = await Lyricify.Lyrics.Helpers.ProviderHelper.KugouApi.GetSearchLyrics(hash: kugouResult.Hash);
                 if (response?.Candidates.FirstOrDefault() is SearchLyricsResponse.Candidate candidate)
                 {
                     return Lyricify.Lyrics.Decrypter.Krc.Helper.GetLyrics(
@@ -387,22 +375,5 @@ namespace BetterLyrics.WinUI3.Services
 
             return null;
         }
-
-        private void WriteCache(
-            string title,
-            string artist,
-            string lyrics,
-            LyricsFormat format,
-            string cacheFolderPath
-        )
-        {
-            var safeArtist = SanitizeFileName(artist);
-            var safeTitle = SanitizeFileName(title);
-            var cacheFilePath = Path.Combine(
-                cacheFolderPath,
-                $"{safeArtist} - {safeTitle}{format.ToFileExtension()}"
-            );
-            File.WriteAllText(cacheFilePath, lyrics);
-        }
     }
 }

BetterLyrics.WinUI3/BetterLyrics.WinUI3/Services/PlaybackService.cs

@@ -1,208 +1,445 @@
 // 2025/6/23 by Zhe Fang
 
-using System;
-using System.Threading.Tasks;
 using BetterLyrics.WinUI3.Events;
 using BetterLyrics.WinUI3.Helper;
 using BetterLyrics.WinUI3.Models;
-using CommunityToolkit.WinUI;
+using BetterLyrics.WinUI3.ViewModels;
+using CommunityToolkit.Mvvm.DependencyInjection;
+using CommunityToolkit.Mvvm.Messaging;
+using CommunityToolkit.Mvvm.Messaging.Messages;
+using EvtSource;
+using Microsoft.Extensions.Logging;
 using Microsoft.UI.Dispatching;
-using Windows.ApplicationModel;
+using Microsoft.UI.Xaml;
+using SixLabors.ImageSharp;
+using SixLabors.ImageSharp.PixelFormats;
+using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Diagnostics;
+using System.Linq;
+using System.Runtime.InteropServices.WindowsRuntime;
+using System.Text.Json;
+using System.Threading;
+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
 {
-    public partial class PlaybackService : IPlaybackService
+    public partial class PlaybackService : BaseViewModel, IPlaybackService,
+        IRecipient<PropertyChangedMessage<ObservableCollection<MediaSourceProviderInfo>>>,
+        IRecipient<PropertyChangedMessage<ObservableCollection<AlbumArtSearchProviderInfo>>>
     {
-        private readonly DispatcherQueue _dispatcherQueue = DispatcherQueue.GetForCurrentThread();
+        private readonly IAlbumArtSearchService _albumArtSearchService;
+        private readonly ILogger<PlaybackService> _logger;
 
-        private readonly IMusicSearchService _musicSearchService;
+        private readonly string _lxMusicId = "cn.toside.music.desktop";
+        private double _lxMusicPositionSeconds = 0;
+        private double _lxMusicDurationSeconds = 0;
 
-        private GlobalSystemMediaTransportControlsSession? _currentSession = null;
+        private bool _cachedIsPlaying = false;
 
-        private GlobalSystemMediaTransportControlsSessionManager? _sessionManager = null;
+        private EventSourceReader? _sse = null;
 
-        public PlaybackService(ISettingsService settingsService, IMusicSearchService musicSearchService)
-        {
-            _musicSearchService = musicSearchService;
-            InitMediaManager().ConfigureAwait(true);
-        }
+        private readonly MediaManager _mediaManager = new();
+
+        private readonly LatestOnlyTaskRunner _albumArtRefreshRunner = new();
+        private readonly LatestOnlyTaskRunner _onAnyMediaPropertyChangedRunner = new();
+
+        private SongInfo? _cachedSongInfo;
+        private List<MediaSourceProviderInfo> _mediaSourceProvidersInfo;
+        private byte[]? _SMTCAlbumArtBytes = null;
 
         public event EventHandler<IsPlayingChangedEventArgs>? IsPlayingChanged;
-
-        public event EventHandler<PositionChangedEventArgs>? PositionChanged;
-
+        public event EventHandler<TimelineChangedEventArgs>? TimelineChanged;
         public event EventHandler<SongInfoChangedEventArgs>? SongInfoChanged;
+        public event EventHandler<AlbumArtChangedEventArgs>? AlbumArtChangedChanged;
+        public event EventHandler<MediaSourceProvidersInfoEventArgs>? MediaSourceProvidersInfoChanged;
 
-        public bool IsPlaying { get; private set; }
-
-        public TimeSpan Position { get; private set; }
-
-        public SongInfo? SongInfo { get; private set; }
-
-        private void CurrentSession_MediaPropertiesChanged(GlobalSystemMediaTransportControlsSession? sender, MediaPropertiesChangedEventArgs? args)
+        public PlaybackService(ISettingsService settingsService, IAlbumArtSearchService albumArtSearchService) : base(settingsService)
         {
-            App.DispatcherQueueTimer!.Debounce(
-                async () =>
+            _albumArtSearchService = albumArtSearchService;
+            _logger = Ioc.Default.GetRequiredService<ILogger<PlaybackService>>();
+
+            _mediaSourceProvidersInfo = _settingsService.MediaSourceProvidersInfo;
+            InitMediaManager();
+        }
+
+        public bool IsPlaying => _cachedIsPlaying;
+        public SongInfo? SongInfo => _cachedSongInfo;
+
+        private bool IsMediaSourceEnabled(string id)
+        {
+            return _mediaSourceProvidersInfo.FirstOrDefault(s => s.Provider == id)?.IsEnabled ?? true;
+        }
+
+        private void InitMediaManager()
+        {
+            _mediaManager.OnAnySessionOpened += MediaManager_OnAnySessionOpened;
+            _mediaManager.OnAnySessionClosed += MediaManager_OnAnySessionClosed;
+            _mediaManager.OnFocusedSessionChanged += MediaManager_OnFocusedSessionChanged;
+            _mediaManager.OnAnyMediaPropertyChanged += MediaManager_OnAnyMediaPropertyChanged;
+            _mediaManager.OnAnyPlaybackStateChanged += MediaManager_OnAnyPlaybackStateChanged;
+            _mediaManager.OnAnyTimelinePropertyChanged += MediaManager_OnAnyTimelinePropertyChanged;
+
+            _mediaManager.Start();
+            Task.Run(() =>
+            {
+                MediaManager_OnFocusedSessionChanged(null);
+            });
+        }
+
+        private void MediaManager_OnFocusedSessionChanged(MediaManager.MediaSession? mediaSession)
+        {
+            if (!_mediaManager.IsStarted) return;
+
+            SendFocusedMessagesAsync().ConfigureAwait(false);
+        }
+
+        private void MediaManager_OnAnyTimelinePropertyChanged(MediaManager.MediaSession mediaSession, GlobalSystemMediaTransportControlsSessionTimelineProperties timelineProperties)
+        {
+            if (!_mediaManager.IsStarted) return;
+            if (mediaSession == null) return;
+
+            var focusedSession = _mediaManager.GetFocusedSession();
+
+            if (!IsMediaSourceEnabled(mediaSession.Id) || mediaSession != focusedSession) return;
+
+            _dispatcherQueue.TryEnqueue(DispatcherQueuePriority.Low, () =>
+            {
+                TimelineChanged?.Invoke(this, new TimelineChangedEventArgs(timelineProperties.Position, timelineProperties.EndTime));
+            });
+        }
+
+        private void MediaManager_OnAnyPlaybackStateChanged(MediaManager.MediaSession mediaSession, GlobalSystemMediaTransportControlsSessionPlaybackInfo playbackInfo)
+        {
+            if (!_mediaManager.IsStarted) return;
+            if (mediaSession == null) return;
+
+            var focusedSession = _mediaManager.GetFocusedSession();
+
+            RecordMediaSourceProviderInfo(mediaSession);
+            if (!IsMediaSourceEnabled(mediaSession.Id) || mediaSession != focusedSession) return;
+
+            _cachedIsPlaying = playbackInfo.PlaybackStatus switch
+            {
+                GlobalSystemMediaTransportControlsSessionPlaybackStatus.Playing => true,
+                _ => false,
+            };
+
+            _dispatcherQueue.TryEnqueue(DispatcherQueuePriority.Low, () =>
+            {
+                IsPlayingChanged?.Invoke(this, new IsPlayingChangedEventArgs(_cachedIsPlaying));
+            });
+        }
+
+        private void MediaManager_OnAnyMediaPropertyChanged(MediaManager.MediaSession mediaSession, GlobalSystemMediaTransportControlsSessionMediaProperties mediaProperties)
+        {
+            if (!_mediaManager.IsStarted) return;
+            if (mediaSession == null) return;
+
+            string id = mediaSession.Id;
+
+            var focusedSession = _mediaManager.GetFocusedSession();
+
+            RecordMediaSourceProviderInfo(mediaSession);
+            if (!IsMediaSourceEnabled(id) || mediaSession != focusedSession) return;
+
+            _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 == _lxMusicId)
                 {
-                    GlobalSystemMediaTransportControlsSessionMediaProperties? mediaProps = null;
-                    if (sender == null)
+                    StartSSE();
+                }
+                else
+                {
+                    StopSSE();
+                }
+
+                if (mediaProperties.Thumbnail is IRandomAccessStreamReference streamReference)
+                {
+                    _SMTCAlbumArtBytes = await ImageHelper.ToByteArrayAsync(streamReference);
+                    _SMTCAlbumArtBytes = ImageHelper.Resize(_SMTCAlbumArtBytes, 800);
+                }
+                else
+                {
+                    _SMTCAlbumArtBytes = null;
+                }
+
+                await _albumArtRefreshRunner.RunAsync(async tokne =>
+                {
+                    await UpdateAlbumArtRelated(tokne);
+                });
+
+                if (!token.IsCancellationRequested)
+                {
+                    _dispatcherQueue.TryEnqueue(DispatcherQueuePriority.Low, () =>
                     {
-                        SongInfo = null;
-                    }
-                    else
+                        SongInfoChanged?.Invoke(this, new SongInfoChangedEventArgs(_cachedSongInfo));
+                    });
+                }
+            }).ConfigureAwait(false);
+        }
+
+        private void MediaManager_OnAnySessionClosed(MediaManager.MediaSession mediaSession)
+        {
+            if (!_mediaManager.IsStarted) return;
+            if (mediaSession == null) return;
+
+            if (_mediaManager.CurrentMediaSessions.Count == 0)
+            {
+                SendNullMessages();
+            }
+        }
+
+        private void MediaManager_OnAnySessionOpened(MediaManager.MediaSession mediaSession)
+        {
+            if (!_mediaManager.IsStarted) return;
+            if (mediaSession == null) return;
+
+            RecordMediaSourceProviderInfo(mediaSession);
+            SendFocusedMessagesAsync().ConfigureAwait(false);
+        }
+
+        private void RecordMediaSourceProviderInfo(MediaManager.MediaSession mediaSession)
+        {
+            if (!_mediaManager.IsStarted) return;
+            if (mediaSession == null) return;
+
+            var id = mediaSession?.Id;
+            if (string.IsNullOrEmpty(id)) return;
+
+            var found = _mediaSourceProvidersInfo.FirstOrDefault(x => x.Provider == id);
+            if (found == null)
+            {
+                _mediaSourceProvidersInfo.Add(new MediaSourceProviderInfo(id, true));
+                _settingsService.MediaSourceProvidersInfo = _mediaSourceProvidersInfo;
+                _dispatcherQueue.TryEnqueue(DispatcherQueuePriority.Low, () =>
+                {
+                    MediaSourceProvidersInfoChanged?.Invoke(this, new MediaSourceProvidersInfoEventArgs(_mediaSourceProvidersInfo));
+                });
+            }
+        }
+
+        private void SendNullMessages()
+        {
+            _dispatcherQueue.TryEnqueue(DispatcherQueuePriority.Low, () =>
+            {
+                _cachedSongInfo = null;
+                _cachedIsPlaying = false;
+                SongInfoChanged?.Invoke(this, new SongInfoChangedEventArgs(_cachedSongInfo));
+                IsPlayingChanged?.Invoke(this, new IsPlayingChangedEventArgs(_cachedIsPlaying));
+                TimelineChanged?.Invoke(this, new TimelineChangedEventArgs(TimeSpan.Zero, TimeSpan.Zero));
+            });
+        }
+
+        private async Task SendFocusedMessagesAsync()
+        {
+            var focusedSession = _mediaManager.GetFocusedSession();
+            if (focusedSession == null || focusedSession.ControlSession == null) return;
+
+            var mediaProps = await focusedSession.ControlSession.TryGetMediaPropertiesAsync();
+            MediaManager_OnAnyMediaPropertyChanged(focusedSession, mediaProps);
+            MediaManager_OnAnyPlaybackStateChanged(focusedSession, focusedSession.ControlSession.GetPlaybackInfo());
+            MediaManager_OnAnyTimelinePropertyChanged(focusedSession, focusedSession.ControlSession.GetTimelineProperties());
+        }
+
+        private async Task UpdateAlbumArtRelated(CancellationToken token)
+        {
+            if (_cachedSongInfo == null)
+            {
+                _logger.LogWarning("Cached song info is null, cannot update album art.");
+                return;
+            }
+
+            byte[]? bytes = await _albumArtSearchService.SearchAsync(
+                _cachedSongInfo.Title,
+                _cachedSongInfo.Artist,
+                _cachedSongInfo?.Album ?? string.Empty,
+                _SMTCAlbumArtBytes
+            );
+            token.ThrowIfCancellationRequested();
+
+            if (bytes == null)
+            {
+                bytes = await ImageHelper.CreateTextPlaceholderBytesAsync(400, 400);
+                token.ThrowIfCancellationRequested();
+            }
+
+            bytes = ImageHelper.MakeSquareWithThemeColor(bytes);
+
+            using var stream = new InMemoryRandomAccessStream();
+            await stream.WriteAsync(bytes.AsBuffer());
+            token.ThrowIfCancellationRequested();
+
+            var decoder = await BitmapDecoder.CreateAsync(stream);
+            token.ThrowIfCancellationRequested();
+
+            var albumArtSwBitmap = await decoder.GetSoftwareBitmapAsync(BitmapPixelFormat.Rgba8, BitmapAlphaMode.Premultiplied);
+            token.ThrowIfCancellationRequested();
+
+            var albumArtLightAccentColor = ImageHelper.GetAccentColorsFromByte(bytes, 1, false).FirstOrDefault();
+            var albumArtDarkAccentColor = ImageHelper.GetAccentColorsFromByte(bytes, 1, true).FirstOrDefault();
+
+            _dispatcherQueue.TryEnqueue(DispatcherQueuePriority.Low, () =>
+            {
+                AlbumArtChangedChanged?.Invoke(this, new AlbumArtChangedEventArgs(albumArtSwBitmap, albumArtLightAccentColor, albumArtDarkAccentColor));
+            });
+        }
+
+        private void StartSSE()
+        {
+            try
+            {
+                _sse = new EventSourceReader(new Uri($"{_settingsService.LXMusicServer}/subscribe-player-status?filter=progress,duration")).Start();
+                _sse.MessageReceived += Sse_MessageReceived;
+                _sse.Disconnected += Sse_Disconnected;
+            }
+            catch (Exception)
+            {
+                _logger.LogError("Failed to start SSE connection for LX Music.");
+                _dispatcherQueue.TryEnqueue(DispatcherQueuePriority.Low, () =>
+                {
+                    App.Current.LyricsWindowNotificationPanel?.Notify(App.ResourceLoader!.GetString("FailToStartLXMusicServer"), Microsoft.UI.Xaml.Controls.InfoBarSeverity.Error);
+                });
+                StopSSE();
+            }
+        }
+
+        private void StopSSE()
+        {
+            if (_sse != null)
+            {
+                _sse.MessageReceived -= Sse_MessageReceived;
+                _sse.Disconnected -= Sse_Disconnected;
+                _sse.Dispose();
+                _sse = null;
+            }
+        }
+
+        private void Sse_Disconnected(object sender, DisconnectEventArgs e)
+        {
+            Task.Run(async () =>
+            {
+                await Task.Delay(e.ReconnectDelay);
+                if (_sse != null && !_sse.IsDisposed) _sse.Start();
+            });
+        }
+
+        private void Sse_MessageReceived(object sender, EventSourceMessageEventArgs e)
+        {
+            if (_cachedSongInfo?.SourceAppUserModelId == _lxMusicId)
+            {
+                var data = JsonSerializer.Deserialize(e.Message, Serialization.SourceGenerationContext.Default.JsonElement);
+                if (data.ValueKind == JsonValueKind.Number)
+                {
+                    if (e.Event == "progress")
                     {
-                        try
-                        {
-                            mediaProps = await sender.TryGetMediaPropertiesAsync();
-                        }
-                        catch (Exception) { }
-
-                        if (mediaProps == null)
-                        {
-                            SongInfo = null;
-                        }
-                        else
-                        {
-                            SongInfo = new SongInfo
-                            {
-                                Title = mediaProps.Title,
-                                Artist = mediaProps.Artist,
-                                Album = mediaProps?.AlbumTitle ?? string.Empty,
-                                DurationMs = _currentSession
-                                    ?.GetTimelineProperties()
-                                    .EndTime.TotalMilliseconds,
-                                SourceAppUserModelId = _currentSession?.SourceAppUserModelId,
-                            };
-
-                            if (mediaProps?.Thumbnail is IRandomAccessStreamReference streamReference)
-                            {
-                                SongInfo.AlbumArt = await ImageHelper.ToByteArrayAsync(
-                                    streamReference
-                                );
-                            }
-                            else
-                            {
-                                SongInfo.AlbumArt = _musicSearchService.SearchAlbumArtAsync(
-                                    SongInfo.Title,
-                                    SongInfo.Artist
-                                );
-
-                                if (SongInfo.AlbumArt == null)
-                                {
-                                    SongInfo.AlbumArt =
-                                        await ImageHelper.CreateTextPlaceholderBytesAsync(
-                                            $"{SongInfo.Artist} - {SongInfo.Title}",
-                                            400,
-                                            400
-                                        );
-                                }
-                            }
-                        }
+                        _lxMusicPositionSeconds = data.GetDouble();
                     }
-                    _dispatcherQueue.TryEnqueue(DispatcherQueuePriority.High,
-                        () =>
-                        {
-                            SongInfoChanged?.Invoke(this, new SongInfoChangedEventArgs(SongInfo));
-                        }
-                    );
-                },
-                TimeSpan.FromMilliseconds(1000)
-            );
-        }
-
-        private void CurrentSession_PlaybackInfoChanged(GlobalSystemMediaTransportControlsSession? sender, PlaybackInfoChangedEventArgs? args)
-        {
-            if (sender == null)
-            {
-                IsPlaying = false;
-            }
-            else
-            {
-                var playbackState = sender.GetPlaybackInfo().PlaybackStatus;
-                // _logger.LogDebug(playbackState.ToString());
-
-                switch (playbackState)
-                {
-                    case GlobalSystemMediaTransportControlsSessionPlaybackStatus.Closed:
-                    case GlobalSystemMediaTransportControlsSessionPlaybackStatus.Opened:
-                    case GlobalSystemMediaTransportControlsSessionPlaybackStatus.Changing:
-                    case GlobalSystemMediaTransportControlsSessionPlaybackStatus.Stopped:
-                    case GlobalSystemMediaTransportControlsSessionPlaybackStatus.Paused:
-                        IsPlaying = false;
-                        break;
-                    case GlobalSystemMediaTransportControlsSessionPlaybackStatus.Playing:
-                        IsPlaying = true;
-                        break;
-                    default:
-                        break;
+                    else if (e.Event == "duration")
+                    {
+                        _lxMusicDurationSeconds = data.GetDouble();
+                    }
+                    _dispatcherQueue.TryEnqueue(DispatcherQueuePriority.Low, () =>
+                    {
+                        TimelineChanged?.Invoke(this, new TimelineChangedEventArgs(TimeSpan.FromSeconds(_lxMusicPositionSeconds), TimeSpan.FromSeconds(_lxMusicDurationSeconds)));
+                    });
                 }
             }
-            _dispatcherQueue.TryEnqueue(DispatcherQueuePriority.High,
-                () =>
+        }
+
+        public async Task PlayAsync()
+        {
+            var focusedSession = _mediaManager.GetFocusedSession();
+            if (focusedSession != null)
+            {
+                await focusedSession.ControlSession?.TryPlayAsync();
+            }
+        }
+
+        public async Task PauseAsync()
+        {
+            var focusedSession = _mediaManager.GetFocusedSession();
+            if (focusedSession != null)
+            {
+                await focusedSession.ControlSession?.TryPauseAsync();
+            }
+        }
+
+        public async Task PreviousAsync()
+        {
+            var focusedSession = _mediaManager.GetFocusedSession();
+            if (focusedSession != null)
+            {
+                await focusedSession.ControlSession?.TrySkipPreviousAsync();
+            }
+        }
+
+        public async Task NextAsync()
+        {
+            var focusedSession = _mediaManager.GetFocusedSession();
+            if (focusedSession != null)
+            {
+                await focusedSession.ControlSession?.TrySkipNextAsync();
+            }
+        }
+
+        public async Task ChangePosition(double seconds)
+        {
+            var focusedSession = _mediaManager.GetFocusedSession();
+            if (focusedSession != null)
+            {
+                await focusedSession.ControlSession?.TryChangePlaybackPositionAsync(TimeSpan.FromSeconds(seconds).Ticks);
+            }
+        }
+
+        public void Receive(PropertyChangedMessage<ObservableCollection<MediaSourceProviderInfo>> message)
+        {
+            if (message.Sender is SettingsPageViewModel)
+            {
+                if (message.PropertyName == nameof(SettingsPageViewModel.MediaSourceProvidersInfo))
                 {
-                    IsPlayingChanged?.Invoke(this, new IsPlayingChangedEventArgs(IsPlaying));
+                    _mediaSourceProvidersInfo = [.. message.NewValue];
+                    _settingsService.MediaSourceProvidersInfo = _mediaSourceProvidersInfo;
+                    MediaManager_OnFocusedSessionChanged(null);
                 }
-            );
+            }
         }
 
-        private void CurrentSession_TimelinePropertiesChanged(GlobalSystemMediaTransportControlsSession? sender, TimelinePropertiesChangedEventArgs? args)
+        public async void Receive(PropertyChangedMessage<ObservableCollection<AlbumArtSearchProviderInfo>> message)
         {
-            if (sender == null)
+            if (message.Sender is SettingsPageViewModel)
             {
-                Position = TimeSpan.Zero;
-            }
-            else
-            {
-                Position = sender.GetTimelineProperties().Position;
-            }
-            _dispatcherQueue.TryEnqueue(
-                DispatcherQueuePriority.High,
-                () =>
+                if (message.PropertyName == nameof(SettingsPageViewModel.AlbumArtSearchProvidersInfo))
                 {
-                    PositionChanged?.Invoke(this, new PositionChangedEventArgs(Position));
+                    // Album art search providers info changed, re-fetch album art
+                    _logger.LogInformation("Album art search providers info changed, refreshing album art.");
+                    await _albumArtRefreshRunner.RunAsync(async tokne =>
+                    {
+                        await UpdateAlbumArtRelated(tokne);
+                    });
                 }
-            );
-        }
-
-        private async Task InitMediaManager()
-        {
-            _sessionManager = await GlobalSystemMediaTransportControlsSessionManager.RequestAsync();
-            _sessionManager.CurrentSessionChanged += SessionManager_CurrentSessionChanged;
-
-            SessionManager_CurrentSessionChanged(_sessionManager, null);
-        }
-
-        private void SessionManager_CurrentSessionChanged(
-            GlobalSystemMediaTransportControlsSessionManager sender,
-            CurrentSessionChangedEventArgs? args
-        )
-        {
-            // _logger.LogDebug("SessionManager_CurrentSessionChanged");
-            // Unregister events associated with the previous session
-            if (_currentSession != null)
-            {
-                _currentSession.MediaPropertiesChanged -= CurrentSession_MediaPropertiesChanged;
-                _currentSession.PlaybackInfoChanged -= CurrentSession_PlaybackInfoChanged;
-                _currentSession.TimelinePropertiesChanged -=
-                    CurrentSession_TimelinePropertiesChanged;
             }
-
-            // Record and register events for current session
-            _currentSession = sender.GetCurrentSession();
-
-            if (_currentSession != null)
-            {
-                _currentSession.MediaPropertiesChanged += CurrentSession_MediaPropertiesChanged;
-                _currentSession.PlaybackInfoChanged += CurrentSession_PlaybackInfoChanged;
-                _currentSession.TimelinePropertiesChanged +=
-                    CurrentSession_TimelinePropertiesChanged;
-            }
-
-            CurrentSession_MediaPropertiesChanged(_currentSession, null);
-            CurrentSession_PlaybackInfoChanged(_currentSession, null);
-            CurrentSession_TimelinePropertiesChanged(_currentSession, null);
         }
     }
 }

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

@@ -1,8 +1,5 @@
 // 2025/6/23 by Zhe Fang
 
-using System;
-using System.Collections.Generic;
-using System.Linq;
 using BetterLyrics.WinUI3.Enums;
 using BetterLyrics.WinUI3.Helper;
 using BetterLyrics.WinUI3.Models;
@@ -10,6 +7,9 @@ using BetterLyrics.WinUI3.Serialization;
 using CommunityToolkit.WinUI.Helpers;
 using Microsoft.UI;
 using Microsoft.UI.Xaml;
+using System;
+using System.Collections.Generic;
+using System.Linq;
 using Windows.Storage;
 using Windows.UI;
 
@@ -17,22 +17,33 @@ namespace BetterLyrics.WinUI3.Services
 {
     public class SettingsService : ISettingsService
     {
-        public const string LyricsCustomFontColorKey = "LyricsCustomFontColor";
+        public const string LyricsCustomBgFontColorKey = "LyricsCustomBgFontColor";
+        public const string LyricsCustomFgFontColorKey = "LyricsCustomFgFontColor";
+        public const string LyricsCustomStrokeFontColorKey = "LyricsCustomStrokeFontColor";
 
         // App behavior
 
         private const string AutoStartWindowTypeKey = "AutoStartWindowType";
 
-        private const string CoverImageRadiusKey = "CoverImageRadius";
+        private const string CoverImageRadiusKey = "AlbumArtCornerRadius";
         private const string CoverOverlayBlurAmountKey = "CoverOverlayBlurAmount";
         private const string CoverOverlayOpacityKey = "CoverOverlayOpacity";
         private const string IsCoverOverlayEnabledKey = "IsCoverOverlayEnabled";
 
+        private const string CoverAcrylicEffectAmountKey = "CoverAcrylicEffectAmount";
+
         private const string DesktopWindowLeftKey = "DesktopWindowLeft";
         private const string DesktopWindowTopKey = "DesktopWindowTop";
         private const string DesktopWindowWidthKey = "DesktopWindowWidth";
         private const string DesktopWindowHeightKey = "DesktopWindowHeight";
+
+        private const string StandardWindowLeftKey = "StandardWindowLeft";
+        private const string StandardWindowTopKey = "StandardWindowTop";
+        private const string StandardWindowWidthKey = "StandardWindowWidth";
+        private const string StandardWindowHeightKey = "StandardWindowHeight";
+
         private const string AutoLockOnDesktopModeKey = "AutoLockOnDesktopMode";
+        private const string IsImmersiveModeKey = "IsImmersiveMode";
 
         private const string IsDynamicCoverOverlayEnabledKey = "IsDynamicCoverOverlayEnabled";
         private const string IsFanLyricsEnabledKey = "IsFanLyricsEnabled";
@@ -41,16 +52,69 @@ namespace BetterLyrics.WinUI3.Services
         private const string LanguageKey = "Language";
 
         private const string LocalLyricsFoldersKey = "LocalLyricsFolders";
-        private const string LyricsAlignmentTypeKey = "LyricsAlignmentType";
+        private const string LyricsAlignmentTypeKey = "TextAlignmentType";
+        private const string SongInfoAlignmentTypeKey = "SongInfoAlignmentType";
         private const string LyricsBlurAmountKey = "LyricsBlurAmount";
-        private const string LyricsFontColorTypeKey = "LyricsFontColorType";
-        private const string LyricsFontSizeKey = "LyricsFontSize";
+
+        private const string LyricsBgFontColorTypeKey = "_lyricsBgFontColorType";
+        private const string LyricsFgFontColorTypeKey = "LyricsFgFontColorType";
+        private const string LyricsStrokeFontColorTypeKey = "LyricsStrokeFontColorType";
+
+        private const string LyricsFontStrokeWidthKey = "LyricsFontStrokeWidth";
+
+        // Lyrics font size
+        private const string LyricsStandardFontSizeKey = "LyricsStandardFontSize";
+        private const string LyricsDockFontSizeKey = "LyricsDockFontSize";
+        private const string LyricsDesktopFontSizeKey = "LyricsDesktopFontSize";
+
         private const string LyricsFontWeightKey = "LyricsFontWeightKey";
         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";
 
+        private const string MediaSourceProvidersInfoKey = "MediaSourceProvidersInfo";
+
+        // Translation
+        private const string IsTranslationEnabledKey = "IsTranslationEnabled";
+        private const string ShowTranslationOnlyKey = "ShowTranslationOnly";
+        private const string IsLibreTranslateEnabledKey = "IsLibreTranslateEnabled";
+        private const string LibreTranslateServerKey = "LibreTranslateServer";
+        private const string SelectedTargetLanguageIndexKey = "SelectedTargetLanguageIndex";
+
+        // LX Music
+        private const string LXMusicServerKey = "LXMusicServer";
+
+        private const string LyricsBackgroundThemeKey = "LyricsBackgroundTheme";
+        private const string IgnoreFullscreenWindowKey = "IgnoreFullscreenWindow";
+        private const string PreferredDisplayTypeKey = "PreferredDisplayTypeKey";
+
+        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";
+
+        private const string LockHotKeyIndexKey = "LockHotKeyIndex";
+        private const string DockPlacementKey = "DockPlacement";
+        private const string LyricsBgFontOpacityKey = "LyricsBgFontOpacity";
+        private const string HideWindowWhenNotPlayingKey = "HideWindowWhenNotPlaying";
+        private const string DockWindowHeightKey = "DockWindowHeight";
+
+        private const string SelectedFontFamilyIndexKey = "SelectedFontFamilyIndex";
+        private const string LyricsFontFamilyKey = "LyricsFontFamily";
+        private const string IsDragEverywhereEnabledKey = "IsDragEverywhereEnabled";
+
+        private const string DockMonitorDeviceNameKey = "DockMonitorDeviceName";
+
         private readonly ApplicationDataContainer _localSettings;
 
         public SettingsService()
@@ -81,33 +145,189 @@ namespace BetterLyrics.WinUI3.Services
                     ))
                     .ToList();
             }
+
+            SetDefault(
+                AlbumArtSearchProvidersInfoKey,
+                System.Text.Json.JsonSerializer.Serialize(
+                    Enum.GetValues<AlbumArtSearchProvider>()
+                        .Select(p => new AlbumArtSearchProviderInfo(p, true))
+                        .ToList(),
+                    SourceGenerationContext.Default.ListAlbumArtSearchProviderInfo
+                )
+            );
+            if (AlbumArtSearchProvidersInfo.Count != Enum.GetValues<AlbumArtSearchProvider>().Length)
+            {
+                AlbumArtSearchProvidersInfo = Enum.GetValues<AlbumArtSearchProvider>()
+                    .Select(p => new AlbumArtSearchProviderInfo(
+                        p,
+                        AlbumArtSearchProvidersInfo
+                            .Where(x => x.Provider == p)
+                            .FirstOrDefault()
+                            ?.IsEnabled ?? true
+                    ))
+                    .ToList();
+            }
+
+            SetDefault(MediaSourceProvidersInfoKey, "[]");
+
             // App appearance
             SetDefault(LanguageKey, (int)Language.FollowSystem);
-            SetDefault(DesktopWindowHeightKey, 400);
-            SetDefault(DesktopWindowLeftKey, 0);
-            SetDefault(DesktopWindowTopKey, 0);
-            SetDefault(DesktopWindowWidthKey, 600);
+
+            SetDefault(DesktopWindowHeightKey, 600);
+            SetDefault(DesktopWindowLeftKey, 200);
+            SetDefault(DesktopWindowTopKey, 200);
+            SetDefault(DesktopWindowWidthKey, 1200);
+
+            SetDefault(StandardWindowHeightKey, 800);
+            SetDefault(StandardWindowLeftKey, 200);
+            SetDefault(StandardWindowTopKey, 200);
+            SetDefault(StandardWindowWidthKey, 1600);
+
             SetDefault(AutoLockOnDesktopModeKey, false);
+            SetDefault(IsImmersiveModeKey, false);
             // App behavior
             SetDefault(AutoStartWindowTypeKey, (int)AutoStartWindowType.StandardMode);
             // Album art
             SetDefault(IsCoverOverlayEnabledKey, true);
             SetDefault(IsDynamicCoverOverlayEnabledKey, true);
-            SetDefault(CoverOverlayOpacityKey, 75); // 100 % = 1.0
-            SetDefault(CoverOverlayBlurAmountKey, 200);
-            SetDefault(CoverImageRadiusKey, 24); // 24 %
+            SetDefault(CoverOverlayOpacityKey, 100); // 100 % = 1.0
+            SetDefault(CoverOverlayBlurAmountKey, 100);
+            SetDefault(CoverImageRadiusKey, 12); // 12 %
+            SetDefault(CoverAcrylicEffectAmountKey, 0);
             // Lyrics
-            SetDefault(LyricsAlignmentTypeKey, (int)LyricsAlignmentType.Center);
+            SetDefault(LyricsAlignmentTypeKey, (int)TextAlignmentType.Left);
+            SetDefault(SongInfoAlignmentTypeKey, (int)TextAlignmentType.Left);
             SetDefault(LyricsFontWeightKey, (int)LyricsFontWeight.Bold);
             SetDefault(LyricsBlurAmountKey, 5);
-            SetDefault(LyricsFontColorTypeKey, (int)LyricsFontColorType.AdaptiveGrayed);
-            SetDefault(LyricsCustomFontColorKey, Colors.White.ToInt());
-            SetDefault(LyricsFontSizeKey, 28);
+
+            SetDefault(LyricsBackgroundThemeKey, (int)ElementTheme.Dark);
+
+            SetDefault(LyricsBgFontColorTypeKey, (int)LyricsFontColorType.AdaptiveGrayed);
+            SetDefault(LyricsFgFontColorTypeKey, (int)LyricsFontColorType.AdaptiveGrayed);
+            SetDefault(LyricsStrokeFontColorTypeKey, (int)LyricsFontColorType.AdaptiveGrayed);
+
+            SetDefault(LyricsCustomBgFontColorKey, Colors.White.ToInt());
+            SetDefault(LyricsCustomFgFontColorKey, Colors.White.ToInt());
+            SetDefault(LyricsCustomStrokeFontColorKey, Colors.White.ToInt());
+
+            SetDefault(LyricsStandardFontSizeKey, 32);
+            SetDefault(LyricsDockFontSizeKey, 16);
+            SetDefault(LyricsDesktopFontSizeKey, 28);
+
             SetDefault(LyricsLineSpacingFactorKey, 0.5f);
             SetDefault(LyricsVerticalEdgeOpacityKey, 0);
             SetDefault(IsLyricsGlowEffectEnabledKey, true);
-            SetDefault(LyricsGlowEffectScopeKey, (int)LineRenderingType.CurrentCharOnly);
+            SetDefault(LyricsGlowEffectScopeKey, (int)LineRenderingType.CurrentChar);
+            SetDefault(LyricsHighlightSopeKey, (int)LineRenderingType.LineStartToCurrentChar);
             SetDefault(IsFanLyricsEnabledKey, false);
+
+            SetDefault(LibreTranslateServerKey, "");
+            SetDefault(IsLibreTranslateEnabledKey, false);
+            SetDefault(IsTranslationEnabledKey, true);
+            SetDefault(ShowTranslationOnlyKey, false);
+            SetDefault(SelectedTargetLanguageIndexKey, LanguageHelper.GetDefaultTargetLanguageIndex());
+
+            SetDefault(LXMusicServerKey, "");
+
+            SetDefault(LyricsFontStrokeWidthKey, 3);
+            SetDefault(IgnoreFullscreenWindowKey, false);
+            SetDefault(PreferredDisplayTypeKey, (int)LyricsDisplayType.SplitView);
+
+            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);
+            SetDefault(LyricsBgFontOpacityKey, 30); // 30%
+            SetDefault(HideWindowWhenNotPlayingKey, false);
+            SetDefault(DockWindowHeightKey, 64); // 64px
+            SetDefault(SelectedFontFamilyIndexKey, 0);
+            SetDefault(LyricsFontFamilyKey, FontHelper.SystemFontFamilies.ElementAtOrDefault(0));
+            SetDefault(IsDragEverywhereEnabledKey, false);
+            SetDefault(DockMonitorDeviceNameKey, MonitorHelper.GetPrimaryMonitorDeviceName());
+        }
+
+        public bool IsDragEverywhereEnabled
+        {
+            get => GetValue<bool>(IsDragEverywhereEnabledKey);
+            set => SetValue(IsDragEverywhereEnabledKey, value);
+        }
+
+        public string LyricsFontFamily
+        {
+            get => GetValue<string>(LyricsFontFamilyKey)!;
+            set => SetValue(LyricsFontFamilyKey, value);
+        }
+
+        public int SelectedFontFamilyIndex
+        {
+            get => GetValue<int>(SelectedFontFamilyIndexKey);
+            set => SetValue(SelectedFontFamilyIndexKey, value);
+        }
+
+        public bool HideWindowWhenNotPlaying
+        {
+            get => GetValue<bool>(HideWindowWhenNotPlayingKey);
+            set => SetValue(HideWindowWhenNotPlayingKey, value);
+        }
+
+        public int DockWindowHeight
+        {
+            get => GetValue<int>(DockWindowHeightKey);
+            set => SetValue(DockWindowHeightKey, value);
+        }
+
+        public int LyricsBgFontOpacity
+        {
+            get => GetValue<int>(LyricsBgFontOpacityKey);
+            set => SetValue(LyricsBgFontOpacityKey, value);
+        }
+
+        public bool ShowTranslationOnly
+        {
+            get => GetValue<bool>(ShowTranslationOnlyKey);
+            set => SetValue(ShowTranslationOnlyKey, value);
+        }
+
+        public DockPlacement DockPlacement
+        {
+            get => (DockPlacement)GetValue<int>(DockPlacementKey);
+            set => SetValue(DockPlacementKey, (int)value);
+        }
+
+        public int LockHotKeyIndex
+        {
+            get => GetValue<int>(LockHotKeyIndexKey);
+            set => SetValue(LockHotKeyIndexKey, value);
+        }
+
+        public EasingType LyricsScrollEasingType
+        {
+            get => (EasingType)GetValue<int>(LyricsScrollEasingTypeKey);
+            set => SetValue(LyricsScrollEasingTypeKey, (int)value);
+        }
+
+        public int LyricsScrollDuration
+        {
+            get => GetValue<int>(LyricsScrollDurationKey);
+            set => SetValue(LyricsScrollDurationKey, value);
+        }
+
+        public LyricsDisplayType DisplayType
+        {
+            get => (LyricsDisplayType)GetValue<int>(PreferredDisplayTypeKey);
+            set => SetValue(PreferredDisplayTypeKey, (int)value);
+        }
+
+        public ElementTheme LyricsBackgroundTheme
+        {
+            get => (ElementTheme)GetValue<int>(LyricsBackgroundThemeKey);
+            set => SetValue(LyricsBackgroundThemeKey, (int)value);
         }
 
         public AutoStartWindowType AutoStartWindowType
@@ -139,6 +359,31 @@ namespace BetterLyrics.WinUI3.Services
             get => GetValue<int>(DesktopWindowHeightKey);
             set => SetValue(DesktopWindowHeightKey, value);
         }
+
+        public int StandardWindowLeft
+        {
+            get => GetValue<int>(StandardWindowLeftKey);
+            set => SetValue(StandardWindowLeftKey, value);
+        }
+
+        public int StandardWindowTop
+        {
+            get => GetValue<int>(StandardWindowTopKey);
+            set => SetValue(StandardWindowTopKey, value);
+        }
+
+        public int StandardWindowWidth
+        {
+            get => GetValue<int>(StandardWindowWidthKey);
+            set => SetValue(StandardWindowWidthKey, value);
+        }
+
+        public int StandardWindowHeight
+        {
+            get => GetValue<int>(StandardWindowHeightKey);
+            set => SetValue(StandardWindowHeightKey, value);
+        }
+
         public bool AutoLockOnDesktopMode
         {
             get => GetValue<bool>(AutoLockOnDesktopModeKey);
@@ -169,6 +414,12 @@ namespace BetterLyrics.WinUI3.Services
             set => SetValue(IsDynamicCoverOverlayEnabledKey, value);
         }
 
+        public int CoverAcrylicEffectAmount
+        {
+            get => GetValue<int>(CoverAcrylicEffectAmountKey);
+            set => SetValue(CoverAcrylicEffectAmountKey, value);
+        }
+
         public bool IsFanLyricsEnabled
         {
             get => GetValue<bool>(IsFanLyricsEnabledKey);
@@ -193,51 +444,99 @@ namespace BetterLyrics.WinUI3.Services
             set => SetValue(LanguageKey, (int)value);
         }
 
-        public List<LocalLyricsFolder> LocalLyricsFolders
+        public List<LocalMediaFolder> LocalMediaFolders
         {
             get =>
                 System.Text.Json.JsonSerializer.Deserialize(
                     GetValue<string>(LocalLyricsFoldersKey) ?? "[]",
-                    SourceGenerationContext.Default.ListLocalLyricsFolder
+                    SourceGenerationContext.Default.ListLocalMediaFolder
                 )!;
             set =>
                 SetValue(
                     LocalLyricsFoldersKey,
                     System.Text.Json.JsonSerializer.Serialize(
                         value,
-                        SourceGenerationContext.Default.ListLocalLyricsFolder
+                        SourceGenerationContext.Default.ListLocalMediaFolder
                     )
                 );
         }
 
-        public LyricsAlignmentType LyricsAlignmentType
+        public TextAlignmentType LyricsAlignmentType
         {
-            get => (LyricsAlignmentType)GetValue<int>(LyricsAlignmentTypeKey);
+            get => (TextAlignmentType)GetValue<int>(LyricsAlignmentTypeKey);
             set => SetValue(LyricsAlignmentTypeKey, (int)value);
         }
 
+        public TextAlignmentType SongInfoAlignmentType
+        {
+            get => (TextAlignmentType)GetValue<int>(SongInfoAlignmentTypeKey);
+            set => SetValue(SongInfoAlignmentTypeKey, (int)value);
+        }
+
         public int LyricsBlurAmount
         {
             get => GetValue<int>(LyricsBlurAmountKey);
             set => SetValue(LyricsBlurAmountKey, value);
         }
 
-        public Color LyricsCustomFontColor
+        public Color LyricsCustomBgFontColor
         {
-            get => GetValue<int>(LyricsCustomFontColorKey)!.ToColor();
-            set => SetValue(LyricsCustomFontColorKey, value.ToInt());
+            get => GetValue<int>(LyricsCustomBgFontColorKey)!.ToColor();
+            set => SetValue(LyricsCustomBgFontColorKey, value.ToInt());
         }
 
-        public LyricsFontColorType LyricsFontColorType
+        public Color LyricsCustomFgFontColor
         {
-            get => (LyricsFontColorType)GetValue<int>(LyricsFontColorTypeKey);
-            set => SetValue(LyricsFontColorTypeKey, (int)value);
+            get => GetValue<int>(LyricsCustomFgFontColorKey)!.ToColor();
+            set => SetValue(LyricsCustomFgFontColorKey, value.ToInt());
         }
 
-        public int LyricsFontSize
+        public Color LyricsCustomStrokeFontColor
         {
-            get => GetValue<int>(LyricsFontSizeKey);
-            set => SetValue(LyricsFontSizeKey, value);
+            get => GetValue<int>(LyricsCustomStrokeFontColorKey)!.ToColor();
+            set => SetValue(LyricsCustomStrokeFontColorKey, value.ToInt());
+        }
+
+        public LyricsFontColorType LyricsBgFontColorType
+        {
+            get => (LyricsFontColorType)GetValue<int>(LyricsBgFontColorTypeKey);
+            set => SetValue(LyricsBgFontColorTypeKey, (int)value);
+        }
+
+        public LyricsFontColorType LyricsFgFontColorType
+        {
+            get => (LyricsFontColorType)GetValue<int>(LyricsFgFontColorTypeKey);
+            set => SetValue(LyricsFgFontColorTypeKey, (int)value);
+        }
+
+        public LyricsFontColorType LyricsStrokeFontColorType
+        {
+            get => (LyricsFontColorType)GetValue<int>(LyricsStrokeFontColorTypeKey);
+            set => SetValue(LyricsStrokeFontColorTypeKey, (int)value);
+        }
+
+        public int LyricsFontStrokeWidth
+        {
+            get => GetValue<int>(LyricsFontStrokeWidthKey);
+            set => SetValue(LyricsFontStrokeWidthKey, value);
+        }
+
+        public int LyricsStandardFontSize
+        {
+            get => GetValue<int>(LyricsStandardFontSizeKey);
+            set => SetValue(LyricsStandardFontSizeKey, value);
+        }
+
+        public int LyricsDockFontSize
+        {
+            get => GetValue<int>(LyricsDockFontSizeKey);
+            set => SetValue(LyricsDockFontSizeKey, value);
+        }
+
+        public int LyricsDesktopFontSize
+        {
+            get => GetValue<int>(LyricsDesktopFontSizeKey);
+            set => SetValue(LyricsDesktopFontSizeKey, value);
         }
 
         public LyricsFontWeight LyricsFontWeight
@@ -252,6 +551,12 @@ namespace BetterLyrics.WinUI3.Services
             set => SetValue(LyricsGlowEffectScopeKey, (int)value);
         }
 
+        public LineRenderingType LyricsHighlightScope
+        {
+            get => (LineRenderingType)GetValue<int>(LyricsHighlightSopeKey);
+            set => SetValue(LyricsHighlightSopeKey, (int)value);
+        }
+
         public float LyricsLineSpacingFactor
         {
             get => GetValue<float>(LyricsLineSpacingFactorKey);
@@ -275,12 +580,124 @@ namespace BetterLyrics.WinUI3.Services
                 );
         }
 
+        public List<AlbumArtSearchProviderInfo> AlbumArtSearchProvidersInfo
+        {
+            get =>
+                System.Text.Json.JsonSerializer.Deserialize(
+                    GetValue<string>(AlbumArtSearchProvidersInfoKey) ?? "[]",
+                    SourceGenerationContext.Default.ListAlbumArtSearchProviderInfo
+                )!;
+            set =>
+                SetValue(
+                    AlbumArtSearchProvidersInfoKey,
+                    System.Text.Json.JsonSerializer.Serialize(
+                        value,
+                        SourceGenerationContext.Default.ListAlbumArtSearchProviderInfo
+                    )
+                );
+        }
+
+        public List<MediaSourceProviderInfo> MediaSourceProvidersInfo
+        {
+            get =>
+                System.Text.Json.JsonSerializer.Deserialize(
+                    GetValue<string>(MediaSourceProvidersInfoKey) ?? "[]",
+                    SourceGenerationContext.Default.ListMediaSourceProviderInfo
+                )!;
+            set =>
+                SetValue(
+                    MediaSourceProvidersInfoKey,
+                    System.Text.Json.JsonSerializer.Serialize(
+                        value,
+                        SourceGenerationContext.Default.ListMediaSourceProviderInfo
+                    )
+                );
+        }
+
         public int LyricsVerticalEdgeOpacity
         {
             get => GetValue<int>(LyricsVerticalEdgeOpacityKey);
             set => SetValue(LyricsVerticalEdgeOpacityKey, value);
         }
 
+        public string LibreTranslateServer
+        {
+            get => GetValue<string>(LibreTranslateServerKey)!;
+            set => SetValue(LibreTranslateServerKey, value);
+        }
+
+        public bool IsTranslationEnabled
+        {
+            get => GetValue<bool>(IsTranslationEnabledKey);
+            set => SetValue(IsTranslationEnabledKey, value);
+        }
+
+        public bool IsLibreTranslateEnabled
+        {
+            get => GetValue<bool>(IsLibreTranslateEnabledKey);
+            set => SetValue(IsLibreTranslateEnabledKey, value);
+        }
+
+        public int SelectedTargetLanguageIndex
+        {
+            get => GetValue<int>(SelectedTargetLanguageIndexKey);
+            set => SetValue(SelectedTargetLanguageIndexKey, value);
+        }
+
+        public string LXMusicServer
+        {
+            get => GetValue<string>(LXMusicServerKey)!;
+            set => SetValue(LXMusicServerKey, value);
+        }
+
+        public bool IgnoreFullscreenWindow
+        {
+            get => GetValue<bool>(IgnoreFullscreenWindowKey);
+            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);
+            set => SetValue(PlaybackOrderKey, (int)value);
+        }
+
+        public int PositionOffset
+        {
+            get => GetValue<int>(PositionOffsetKey);
+            set => SetValue(PositionOffsetKey, value);
+        }
+
+        public bool IsImmersiveMode
+        {
+            get => GetValue<bool>(IsImmersiveModeKey);
+            set => SetValue(IsImmersiveModeKey, value);
+        }
+
+        public string DockMonitorDeviceName
+        {
+            get => GetValue<string>(DockMonitorDeviceNameKey)!;
+            set => SetValue(DockMonitorDeviceNameKey, value);
+        }
+
         private T? GetValue<T>(string key)
         {
             if (_localSettings.Values.TryGetValue(key, out object? value))

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

@@ -0,0 +1,86 @@
+using BetterLyrics.WinUI3.Helper;
+using BetterLyrics.WinUI3.Models;
+using BetterLyrics.WinUI3.Serialization;
+using BetterLyrics.WinUI3.ViewModels;
+using Lyricify.Lyrics.Helpers.General;
+using Microsoft.UI.Dispatching;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Net.Http;
+using System.Net.Http.Json;
+using System.Text;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace BetterLyrics.WinUI3.Services
+{
+    public class TranslateService : BaseViewModel, ITranslateService
+    {
+        private readonly HttpClient _httpClient;
+
+        public TranslateService(ISettingsService settingsService) : base(settingsService)
+        {
+            _httpClient = new HttpClient();
+        }
+
+        public async Task<string> TranslateTextAsync(string text, string targetLangCode, CancellationToken? token)
+        {
+            if (string.IsNullOrWhiteSpace(text))
+            {
+                throw new Exception(text + " is empty or null.");
+            }
+
+            string? originalLangCode = LanguageHelper.DetectLanguageCode(text);
+            if (string.IsNullOrWhiteSpace(originalLangCode) || originalLangCode == targetLangCode)
+            {
+                return text; // No translation needed
+            }
+            else if (originalLangCode == "zh-Hant" && targetLangCode == "zh-Hans")
+            {
+                return ChineseConverter.ConvertToSimplifiedChinese(text);
+            }
+            else if (originalLangCode == "zh-Hans" && targetLangCode == "zh-Hant")
+            {
+                return ChineseConverter.ConvertToTraditionalChinese(text);
+            }
+
+            if (string.IsNullOrEmpty(_settingsService.LibreTranslateServer))
+            {
+                throw new Exception("LibreTranslate server URL is not set in settings.");
+            }
+
+            var url = $"{_settingsService.LibreTranslateServer}/translate";
+            var response = await _httpClient.PostAsync(url, new FormUrlEncodedContent(
+            [
+                new("q", text),
+                new("source", originalLangCode),
+                new("target", targetLangCode),
+            ]));
+            token?.ThrowIfCancellationRequested();
+
+            response.EnsureSuccessStatusCode();
+            var json = await response.Content.ReadAsStringAsync();
+            token?.ThrowIfCancellationRequested();
+
+            var result = System.Text.Json.JsonSerializer.Deserialize(json, SourceGenerationContext.Default.TranslateResponse);
+            return result?.TranslatedText ?? string.Empty;
+        }
+
+        public int SearchTranslatedLyricsItself(List<LyricsData> lyricsDataArr)
+        {
+            string targetLangCode = LanguageHelper.GetUserTargetLanguageCode().Substring(0, 2);
+            if (lyricsDataArr.Count > 1)
+            {
+                for (int i = 1; i < lyricsDataArr.Count; i++)
+                {
+                    if (lyricsDataArr[i].LanguageCode?.Substring(0, 2) == targetLangCode)
+                    {
+                        return i; // Translation lyrics data found
+                    }
+                }
+            }
+            return -1; // No translation lyrics data found
+        }
+    }
+}