Restruct AppViewer codes

QuickLook.Plugin/QuickLook.Plugin.AppViewer/InfoPanels/ApkInfoPanel.xaml

@@ -1,4 +1,4 @@
-<UserControl x:Class="QuickLook.Plugin.AppViewer.ApkInfoPanel"
+<UserControl x:Class="QuickLook.Plugin.AppViewer.InfoPanels.ApkInfoPanel"
              xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:d="http://schemas.microsoft.com/expression/blend/2008"

QuickLook.Plugin/QuickLook.Plugin.AppViewer/InfoPanels/ApkInfoPanel.xaml.cs

@@ -18,7 +18,7 @@
 using QuickLook.Common.ExtensionMethods;
 using QuickLook.Common.Helpers;
 using QuickLook.Common.Plugin;
-using QuickLook.Plugin.AppViewer.ApkPackageParser;
+using QuickLook.Plugin.AppViewer.PackageParsers.Apk;
 using System;
 using System.Globalization;
 using System.IO;
@@ -27,11 +27,11 @@ using System.Threading.Tasks;
 using System.Windows.Controls;
 using System.Windows.Media.Imaging;
 
-namespace QuickLook.Plugin.AppViewer;
+namespace QuickLook.Plugin.AppViewer.InfoPanels;
 
 public partial class ApkInfoPanel : UserControl, IAppInfoPanel
 {
-    private ContextObject _context;
+    private readonly ContextObject _context;
 
     public ApkInfoPanel(ContextObject context)
     {

QuickLook.Plugin/QuickLook.Plugin.AppViewer/InfoPanels/AppxInfoPanel.xaml

@@ -1,4 +1,4 @@
-<UserControl x:Class="QuickLook.Plugin.AppViewer.AppxInfoPanel"
+<UserControl x:Class="QuickLook.Plugin.AppViewer.InfoPanels.AppxInfoPanel"
              xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:d="http://schemas.microsoft.com/expression/blend/2008"

QuickLook.Plugin/QuickLook.Plugin.AppViewer/InfoPanels/AppxInfoPanel.xaml.cs

@@ -18,7 +18,7 @@
 using QuickLook.Common.ExtensionMethods;
 using QuickLook.Common.Helpers;
 using QuickLook.Common.Plugin;
-using QuickLook.Plugin.AppViewer.AppxPackageParser;
+using QuickLook.Plugin.AppViewer.PackageParsers.Appx;
 using System.Globalization;
 using System.IO;
 using System.Reflection;
@@ -26,11 +26,11 @@ using System.Threading.Tasks;
 using System.Windows.Controls;
 using System.Windows.Media.Imaging;
 
-namespace QuickLook.Plugin.AppViewer;
+namespace QuickLook.Plugin.AppViewer.InfoPanels;
 
 public partial class AppxInfoPanel : UserControl, IAppInfoPanel
 {
-    private ContextObject _context;
+    private readonly ContextObject _context;
 
     public AppxInfoPanel(ContextObject context)
     {

QuickLook.Plugin/QuickLook.Plugin.AppViewer/InfoPanels/DebInfoPanel.xaml

@@ -0,0 +1,183 @@
+<UserControl x:Class="QuickLook.Plugin.AppViewer.InfoPanels.DebInfoPanel"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+             xmlns:local="clr-namespace:QuickLook.Plugin.AppViewer"
+             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+             FontSize="14"
+             UseLayoutRounding="True"
+             mc:Ignorable="d">
+    <UserControl.Resources>
+        <ResourceDictionary>
+            <ResourceDictionary.MergedDictionaries>
+                <ResourceDictionary Source="GroupBox.xaml" />
+            </ResourceDictionary.MergedDictionaries>
+        </ResourceDictionary>
+    </UserControl.Resources>
+    <Grid>
+        <Grid.RowDefinitions>
+            <RowDefinition Height="15" />
+            <RowDefinition Height="*" />
+        </Grid.RowDefinitions>
+        <Grid.ColumnDefinitions>
+            <ColumnDefinition Width="150" />
+            <ColumnDefinition Width="*" />
+        </Grid.ColumnDefinitions>
+        <Image x:Name="image"
+               Grid.Row="1"
+               Grid.Column="0"
+               Width="120"
+               Height="120"
+               Margin="8"
+               VerticalAlignment="Top"
+               Source="/QuickLook.Plugin.AppViewer;component/Resources/debian.png"
+               Stretch="Fill" />
+        <Grid Grid.Row="1" Grid.Column="1">
+            <Grid.ColumnDefinitions>
+                <ColumnDefinition Width="5" />
+                <ColumnDefinition Width="Auto" />
+                <ColumnDefinition Width="*" />
+                <ColumnDefinition Width="10" />
+            </Grid.ColumnDefinitions>
+            <Grid.RowDefinitions>
+                <RowDefinition Height="10" />
+                <RowDefinition Height="Auto" />
+                <RowDefinition Height="10" />
+                <RowDefinition Height="Auto" />
+                <RowDefinition Height="Auto" />
+                <RowDefinition Height="Auto" />
+                <RowDefinition Height="Auto" />
+                <RowDefinition Height="Auto" />
+                <RowDefinition Height="* " />
+            </Grid.RowDefinitions>
+            <Grid Grid.Row="1"
+                  Grid.Column="1"
+                  Grid.ColumnSpan="2">
+                <Grid.ColumnDefinitions>
+                    <ColumnDefinition Width="*" />
+                    <ColumnDefinition Width="Auto" />
+                </Grid.ColumnDefinitions>
+                <TextBlock Grid.Column="0"
+                           MaxHeight="60"
+                           Padding="3"
+                           FontSize="19"
+                           FontWeight="SemiBold"
+                           LineHeight="25"
+                           TextTrimming="CharacterEllipsis"
+                           TextWrapping="Wrap">
+                    <TextBlock.Inlines>
+                        <Run x:Name="filename" Text="FilenameFilenameFilenameFilenameFilenameFilenameFilenameFilenameFilenameFilename.ext" />
+                    </TextBlock.Inlines>
+                </TextBlock>
+            </Grid>
+            <!--  Application Name  -->
+            <TextBlock x:Name="applicationNameTitle"
+                       Grid.Row="3"
+                       Grid.Column="1"
+                       Padding="3"
+                       Foreground="{DynamicResource WindowTextForegroundAlternative}"
+                       Text="Application Name" />
+            <TextBlock x:Name="applicationName"
+                       Grid.Row="3"
+                       Grid.Column="2"
+                       Margin="8,0,0,0"
+                       Padding="3"
+                       Foreground="{DynamicResource WindowTextForegroundAlternative}"
+                       Text="Searching..."
+                       TextTrimming="CharacterEllipsis"
+                       TextWrapping="Wrap" />
+            <!--  Version Name  -->
+            <TextBlock x:Name="versionNameTitle"
+                       Grid.Row="4"
+                       Grid.Column="1"
+                       Padding="3"
+                       Foreground="{DynamicResource WindowTextForegroundAlternative}"
+                       Text="Version" />
+            <TextBlock x:Name="versionName"
+                       Grid.Row="4"
+                       Grid.Column="2"
+                       Margin="8,0,0,0"
+                       Padding="3"
+                       Foreground="{DynamicResource WindowTextForegroundAlternative}"
+                       Text="Searching..."
+                       TextTrimming="CharacterEllipsis"
+                       TextWrapping="Wrap" />
+            <!--  Version Code  -->
+            <TextBlock x:Name="versionCodeTitle"
+                       Grid.Row="5"
+                       Grid.Column="1"
+                       Padding="3"
+                       Foreground="{DynamicResource WindowTextForegroundAlternative}"
+                       Text="Version Code" />
+            <TextBlock x:Name="versionCode"
+                       Grid.Row="5"
+                       Grid.Column="2"
+                       Margin="8,0,0,0"
+                       Padding="3"
+                       Foreground="{DynamicResource WindowTextForegroundAlternative}"
+                       Text="Searching..."
+                       TextTrimming="CharacterEllipsis"
+                       TextWrapping="Wrap" />
+            <!--  Total Size  -->
+            <TextBlock x:Name="totalSizeTitle"
+                       Grid.Row="6"
+                       Grid.Column="1"
+                       Padding="3"
+                       Foreground="{DynamicResource WindowTextForegroundAlternative}"
+                       Text="Total Size" />
+            <TextBlock x:Name="totalSize"
+                       Grid.Row="6"
+                       Grid.Column="2"
+                       Margin="8,0,0,0"
+                       Padding="3"
+                       Foreground="{DynamicResource WindowTextForegroundAlternative}"
+                       Text="Calculating size..." />
+            <!--  Last Modified  -->
+            <TextBlock x:Name="modDateTitle"
+                       Grid.Row="7"
+                       Grid.Column="1"
+                       Padding="3"
+                       Foreground="{DynamicResource WindowTextForegroundAlternative}"
+                       Text="Last Modified" />
+            <TextBlock x:Name="modDate"
+                       Grid.Row="7"
+                       Grid.Column="2"
+                       Margin="8,0,0,0"
+                       Padding="3"
+                       Foreground="{DynamicResource WindowTextForegroundAlternative}"
+                       Text="Searching..."
+                       TextTrimming="CharacterEllipsis" />
+            <!--  Permissions  -->
+            <GroupBox x:Name="permissionsGroupBox"
+                      Grid.Row="8"
+                      Grid.Column="1"
+                      Grid.ColumnSpan="2"
+                      Margin="3,3,16,16"
+                      Padding="3"
+                      Background="{DynamicResource CardBackgroundFillColorDefaultBrush}"
+                      BorderBrush="{DynamicResource CardStrokeColorDefaultBrush}"
+                      Foreground="{DynamicResource WindowTextForegroundAlternative}"
+                      Header="Capabilities">
+                <ScrollViewer VerticalScrollBarVisibility="Auto">
+                    <ScrollViewer.Resources>
+                        <Style TargetType="{x:Type TextBox}">
+                            <Setter Property="Background" Value="Transparent" />
+                            <Setter Property="Foreground" Value="{DynamicResource TextFillColorPrimaryBrush}" />
+                            <Setter Property="BorderThickness" Value="0" />
+                            <Setter Property="BorderBrush" Value="Transparent" />
+                        </Style>
+                    </ScrollViewer.Resources>
+                    <ItemsControl x:Name="permissions">
+                        <ItemsControl.ItemTemplate>
+                            <DataTemplate>
+                                <TextBox Margin="8,3,16,3"
+                                         IsReadOnly="True"
+                                         Text="{Binding ., Mode=OneTime}" />
+                            </DataTemplate>
+                        </ItemsControl.ItemTemplate>
+                    </ItemsControl>
+                </ScrollViewer>
+            </GroupBox>
+        </Grid>
+    </Grid>
+</UserControl>

QuickLook.Plugin/QuickLook.Plugin.AppViewer/InfoPanels/DebInfoPanel.xaml.cs

@@ -0,0 +1,78 @@
+// Copyright © 2017-2025 QL-Win Contributors
+//
+// This file is part of QuickLook program.
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+using QuickLook.Common.ExtensionMethods;
+using QuickLook.Common.Helpers;
+using QuickLook.Common.Plugin;
+using QuickLook.Plugin.AppViewer.PackageParsers.Deb;
+using QuickLook.Plugin.AppViewer.PackageParsers.Wgt;
+using System.Globalization;
+using System.IO;
+using System.Reflection;
+using System.Threading.Tasks;
+using System.Windows.Controls;
+
+namespace QuickLook.Plugin.AppViewer.InfoPanels;
+
+public partial class DebInfoPanel : UserControl, IAppInfoPanel
+{
+    private readonly ContextObject _context;
+
+    public DebInfoPanel(ContextObject context)
+    {
+        _context = context;
+
+        DataContext = this;
+        InitializeComponent();
+
+        string translationFile = Path.Combine(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location), "Translations.config");
+        applicationNameTitle.Text = TranslationHelper.Get("APP_NAME", translationFile);
+        versionNameTitle.Text = TranslationHelper.Get("APP_VERSION_NAME", translationFile);
+        versionCodeTitle.Text = TranslationHelper.Get("APP_VERSION_CODE", translationFile);
+        totalSizeTitle.Text = TranslationHelper.Get("TOTAL_SIZE", translationFile);
+        modDateTitle.Text = TranslationHelper.Get("LAST_MODIFIED", translationFile);
+        permissionsGroupBox.Header = TranslationHelper.Get("PERMISSIONS", translationFile);
+    }
+
+    public void DisplayInfo(string path)
+    {
+        var name = Path.GetFileName(path);
+        filename.Text = string.IsNullOrEmpty(name) ? path : name;
+
+        _ = Task.Run(() =>
+        {
+            if (File.Exists(path))
+            {
+                var size = new FileInfo(path).Length;
+                DebInfo wgtInfo = DebParser.Parse(path);
+                var last = File.GetLastWriteTime(path);
+
+                Dispatcher.Invoke(() =>
+                {
+                    //applicationName.Text = wgtInfo.AppNameLocale ?? wgtInfo.AppName;
+                    //versionName.Text = wgtInfo.AppVersionName;
+                    //versionCode.Text = wgtInfo.AppVersionCode;
+                    //totalSize.Text = size.ToPrettySize(2);
+                    //modDate.Text = last.ToString(CultureInfo.CurrentCulture);
+                    //permissions.ItemsSource = wgtInfo.Permissions;
+
+                    _context.IsBusy = false;
+                });
+            }
+        });
+    }
+}

QuickLook.Plugin/QuickLook.Plugin.AppViewer/InfoPanels/GroupBox.xaml

@@ -1,6 +1,4 @@
-<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
-                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-                    xmlns:ui="using:Wpf.Ui.Controls">
+<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
 
     <Style TargetType="{x:Type GroupBox}">
         <Setter Property="BorderThickness" Value="1" />

QuickLook.Plugin/QuickLook.Plugin.AppViewer/InfoPanels/HapInfoPanel.xaml

@@ -1,4 +1,4 @@
-<UserControl x:Class="QuickLook.Plugin.AppViewer.HapInfoPanel"
+<UserControl x:Class="QuickLook.Plugin.AppViewer.InfoPanels.HapInfoPanel"
              xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:d="http://schemas.microsoft.com/expression/blend/2008"

QuickLook.Plugin/QuickLook.Plugin.AppViewer/InfoPanels/HapInfoPanel.xaml.cs

@@ -18,7 +18,7 @@
 using QuickLook.Common.ExtensionMethods;
 using QuickLook.Common.Helpers;
 using QuickLook.Common.Plugin;
-using QuickLook.Plugin.AppViewer.HapPackageParser;
+using QuickLook.Plugin.AppViewer.PackageParsers.Hap;
 using System;
 using System.Globalization;
 using System.IO;
@@ -27,11 +27,11 @@ using System.Threading.Tasks;
 using System.Windows.Controls;
 using System.Windows.Media.Imaging;
 
-namespace QuickLook.Plugin.AppViewer;
+namespace QuickLook.Plugin.AppViewer.InfoPanels;
 
 public partial class HapInfoPanel : UserControl, IAppInfoPanel
 {
-    private ContextObject _context;
+    private readonly ContextObject _context;
 
     public HapInfoPanel(ContextObject context)
     {

QuickLook.Plugin/QuickLook.Plugin.AppViewer/InfoPanels/IAppInfoPanel.cs

@@ -15,7 +15,7 @@
 // You should have received a copy of the GNU General Public License
 // along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-namespace QuickLook.Plugin.AppViewer;
+namespace QuickLook.Plugin.AppViewer.InfoPanels;
 
 public interface IAppInfoPanel
 {

QuickLook.Plugin/QuickLook.Plugin.AppViewer/InfoPanels/IpaInfoPanel.xaml

@@ -1,4 +1,4 @@
-<UserControl x:Class="QuickLook.Plugin.AppViewer.IpaInfoPanel"
+<UserControl x:Class="QuickLook.Plugin.AppViewer.InfoPanels.IpaInfoPanel"
              xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:d="http://schemas.microsoft.com/expression/blend/2008"

QuickLook.Plugin/QuickLook.Plugin.AppViewer/InfoPanels/IpaInfoPanel.xaml.cs

@@ -18,7 +18,7 @@
 using QuickLook.Common.ExtensionMethods;
 using QuickLook.Common.Helpers;
 using QuickLook.Common.Plugin;
-using QuickLook.Plugin.AppViewer.IpaPackageParser;
+using QuickLook.Plugin.AppViewer.PackageParsers.Ipa;
 using System;
 using System.Globalization;
 using System.IO;
@@ -27,11 +27,11 @@ using System.Threading.Tasks;
 using System.Windows.Controls;
 using System.Windows.Media.Imaging;
 
-namespace QuickLook.Plugin.AppViewer;
+namespace QuickLook.Plugin.AppViewer.InfoPanels;
 
 public partial class IpaInfoPanel : UserControl, IAppInfoPanel
 {
-    private ContextObject _context;
+    private readonly ContextObject _context;
 
     public IpaInfoPanel(ContextObject context)
     {

QuickLook.Plugin/QuickLook.Plugin.AppViewer/InfoPanels/MsiInfoPanel.xaml

@@ -1,4 +1,4 @@
-<UserControl x:Class="QuickLook.Plugin.AppViewer.MsiInfoPanel"
+<UserControl x:Class="QuickLook.Plugin.AppViewer.InfoPanels.MsiInfoPanel"
              xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:d="http://schemas.microsoft.com/expression/blend/2008"

QuickLook.Plugin/QuickLook.Plugin.AppViewer/InfoPanels/MsiInfoPanel.xaml.cs

@@ -18,7 +18,7 @@
 using QuickLook.Common.ExtensionMethods;
 using QuickLook.Common.Helpers;
 using QuickLook.Common.Plugin;
-using QuickLook.Plugin.AppViewer.MsiPackageParser;
+using QuickLook.Plugin.AppViewer.PackageParsers.Msi;
 using System;
 using System.Globalization;
 using System.IO;
@@ -26,11 +26,11 @@ using System.Reflection;
 using System.Threading.Tasks;
 using System.Windows.Controls;
 
-namespace QuickLook.Plugin.AppViewer;
+namespace QuickLook.Plugin.AppViewer.InfoPanels;
 
 public partial class MsiInfoPanel : UserControl, IAppInfoPanel
 {
-    private ContextObject _context;
+    private readonly ContextObject _context;
 
     public MsiInfoPanel(ContextObject context)
     {

QuickLook.Plugin/QuickLook.Plugin.AppViewer/InfoPanels/WgtInfoPanel.xaml

@@ -1,4 +1,4 @@
-<UserControl x:Class="QuickLook.Plugin.AppViewer.WgtInfoPanel"
+<UserControl x:Class="QuickLook.Plugin.AppViewer.InfoPanels.WgtInfoPanel"
              xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:d="http://schemas.microsoft.com/expression/blend/2008"

QuickLook.Plugin/QuickLook.Plugin.AppViewer/InfoPanels/WgtInfoPanel.xaml.cs

@@ -18,18 +18,18 @@
 using QuickLook.Common.ExtensionMethods;
 using QuickLook.Common.Helpers;
 using QuickLook.Common.Plugin;
-using QuickLook.Plugin.AppViewer.WgtPackageParser;
+using QuickLook.Plugin.AppViewer.PackageParsers.Wgt;
 using System.Globalization;
 using System.IO;
 using System.Reflection;
 using System.Threading.Tasks;
 using System.Windows.Controls;
 
-namespace QuickLook.Plugin.AppViewer;
+namespace QuickLook.Plugin.AppViewer.InfoPanels;
 
 public partial class WgtInfoPanel : UserControl, IAppInfoPanel
 {
-    private ContextObject _context;
+    private readonly ContextObject _context;
 
     public WgtInfoPanel(ContextObject context)
     {

QuickLook.Plugin/QuickLook.Plugin.AppViewer/PackageParsers/Apk/ApkInfo.cs

@@ -1,6 +1,23 @@
-using System.Collections.Generic;
+// Copyright © 2017-2025 QL-Win Contributors
+//
+// This file is part of QuickLook program.
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-namespace QuickLook.Plugin.AppViewer.ApkPackageParser;
+using System.Collections.Generic;
+
+namespace QuickLook.Plugin.AppViewer.PackageParsers.Apk;
 
 public class ApkInfo
 {

QuickLook.Plugin/QuickLook.Plugin.AppViewer/PackageParsers/Apk/ApkParser.cs

@@ -19,7 +19,7 @@ using ICSharpCode.SharpZipLib.Zip;
 using System.IO;
 using System.Linq;
 
-namespace QuickLook.Plugin.AppViewer.ApkPackageParser;
+namespace QuickLook.Plugin.AppViewer.PackageParsers.Apk;
 
 public static class ApkParser
 {

QuickLook.Plugin/QuickLook.Plugin.AppViewer/PackageParsers/Appx/AppxBundleReader.cs

@@ -25,7 +25,7 @@ using System.Runtime.InteropServices;
 using System.Text.RegularExpressions;
 using System.Xml;
 
-namespace QuickLook.Plugin.AppViewer.AppxPackageParser;
+namespace QuickLook.Plugin.AppViewer.PackageParsers.Appx;
 
 public class AppxBundleReader : IDisposable
 {
@@ -96,9 +96,9 @@ public class AppxBundleReader : IDisposable
 
             if (packagesNode != null)
             {
-                string arch = (RuntimeInformation.OSArchitecture == Architecture.Arm64)
+                string arch = RuntimeInformation.OSArchitecture == Architecture.Arm64
                 ? "arm64"
-                : (Environment.Is64BitProcess ? "x64" : "x86");
+                : Environment.Is64BitProcess ? "x64" : "x86";
 
                 var packages = packagesNode.ChildNodes.Select(package =>
                 {

QuickLook.Plugin/QuickLook.Plugin.AppViewer/PackageParsers/Appx/AppxInfo.cs

@@ -17,7 +17,7 @@
 
 using System.Drawing;
 
-namespace QuickLook.Plugin.AppViewer.AppxPackageParser;
+namespace QuickLook.Plugin.AppViewer.PackageParsers.Appx;
 
 public class AppxInfo
 {

QuickLook.Plugin/QuickLook.Plugin.AppViewer/PackageParsers/Appx/AppxParser.cs

@@ -17,7 +17,7 @@
 
 using System.IO;
 
-namespace QuickLook.Plugin.AppViewer.AppxPackageParser;
+namespace QuickLook.Plugin.AppViewer.PackageParsers.Appx;
 
 public static class AppxParser
 {

QuickLook.Plugin/QuickLook.Plugin.AppViewer/PackageParsers/Appx/AppxReader.cs

@@ -23,7 +23,7 @@ using System.IO;
 using System.Text.RegularExpressions;
 using System.Xml;
 
-namespace QuickLook.Plugin.AppViewer.AppxPackageParser;
+namespace QuickLook.Plugin.AppViewer.PackageParsers.Appx;
 
 public class AppxReader : IDisposable
 {

QuickLook.Plugin/QuickLook.Plugin.AppViewer/PackageParsers/Deb/ArReader.cs

@@ -0,0 +1,65 @@
+using System.Collections.Generic;
+using System.IO;
+using System.Text;
+
+namespace QuickLook.Plugin.AppViewer.PackageParsers.Deb;
+
+public static class ArReader
+{
+    public static ArEntry[] Read(string filePath)
+    {
+        var entries = new List<ArEntry>();
+
+        using var fs = new FileStream(filePath, FileMode.Open, FileAccess.Read);
+        using var br = new BinaryReader(fs);
+
+        // Check ar magic
+        var magic = br.ReadBytes(8);
+        if (Encoding.ASCII.GetString(magic) != "!<arch>\n")
+            throw new InvalidDataException("Not a valid ar file");
+
+        while (fs.Position < fs.Length)
+        {
+            var header = br.ReadBytes(60);
+            if (header.Length < 60)
+                break;
+
+            string name = Encoding.ASCII.GetString(header, 0, 16).Trim();
+            string sizeStr = Encoding.ASCII.GetString(header, 48, 10).Trim();
+            string fmag = Encoding.ASCII.GetString(header, 58, 2);
+            if (fmag != "`\n")
+                throw new InvalidDataException("Invalid header end");
+
+            long size = long.Parse(sizeStr);
+
+            byte[] data = br.ReadBytes((int)size);
+
+            // Completion alignment: ar file is evenly aligned
+            if (size % 2 != 0)
+                br.ReadByte();
+
+            entries.Add(new ArEntry
+            {
+                FileName = name,
+                FileSize = size,
+                Data = data
+            });
+        }
+
+        return [.. entries];
+    }
+}
+
+public class ArEntry
+{
+    public string FileName { get; set; } = string.Empty;
+
+    public long FileSize { get; set; }
+
+    public byte[] Data { get; set; } = [];
+
+    public override string ToString()
+    {
+        return $"{FileName} ({FileSize})";
+    }
+}

QuickLook.Plugin/QuickLook.Plugin.AppViewer/PackageParsers/Deb/DebInfo.cs

@@ -0,0 +1,22 @@
+// Copyright © 2017-2025 QL-Win Contributors
+//
+// This file is part of QuickLook program.
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+namespace QuickLook.Plugin.AppViewer.PackageParsers.Deb;
+
+public class DebInfo
+{
+}

QuickLook.Plugin/QuickLook.Plugin.AppViewer/PackageParsers/Deb/DebParser.cs

@@ -0,0 +1,27 @@
+// Copyright © 2017-2025 QL-Win Contributors
+//
+// This file is part of QuickLook program.
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+namespace QuickLook.Plugin.AppViewer.PackageParsers.Deb;
+
+public static class DebParser
+{
+    public static DebInfo Parse(string path)
+    {
+        ArEntry[] ar = ArReader.Read(path);
+        return new();
+    }
+}

QuickLook.Plugin/QuickLook.Plugin.AppViewer/PackageParsers/Hap/HapInfo.cs

@@ -15,7 +15,7 @@
 // You should have received a copy of the GNU General Public License
 // along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-namespace QuickLook.Plugin.AppViewer.HapPackageParser;
+namespace QuickLook.Plugin.AppViewer.PackageParsers.Hap;
 
 public sealed class HapInfo
 {

QuickLook.Plugin/QuickLook.Plugin.AppViewer/PackageParsers/Hap/HapParser.cs

@@ -21,7 +21,7 @@ using System.Collections.Generic;
 using System.IO;
 using System.Text;
 
-namespace QuickLook.Plugin.AppViewer.HapPackageParser;
+namespace QuickLook.Plugin.AppViewer.PackageParsers.Hap;
 
 internal static class HapParser
 {

QuickLook.Plugin/QuickLook.Plugin.AppViewer/PackageParsers/Ipa/IpaInfo.cs

@@ -17,7 +17,7 @@
 
 using System.Linq;
 
-namespace QuickLook.Plugin.AppViewer.IpaPackageParser;
+namespace QuickLook.Plugin.AppViewer.PackageParsers.Ipa;
 
 public class IpaInfo
 {

QuickLook.Plugin/QuickLook.Plugin.AppViewer/PackageParsers/Ipa/IpaParser.cs

@@ -17,7 +17,7 @@
 
 using System.Linq;
 
-namespace QuickLook.Plugin.AppViewer.IpaPackageParser;
+namespace QuickLook.Plugin.AppViewer.PackageParsers.Ipa;
 
 public static class IpaParser
 {

QuickLook.Plugin/QuickLook.Plugin.AppViewer/PackageParsers/Ipa/IpaReader.cs

@@ -22,7 +22,7 @@ using System.IO;
 using System.Linq;
 using System.Text.RegularExpressions;
 
-namespace QuickLook.Plugin.AppViewer.IpaPackageParser;
+namespace QuickLook.Plugin.AppViewer.PackageParsers.Ipa;
 
 public class IpaReader
 {

QuickLook.Plugin/QuickLook.Plugin.AppViewer/PackageParsers/Ipa/Plist.cs

@@ -23,7 +23,7 @@ using System.IO;
 using System.Text;
 using System.Xml;
 
-namespace QuickLook.Plugin.AppViewer.IpaPackageParser;
+namespace QuickLook.Plugin.AppViewer.PackageParsers.Ipa;
 
 /// <summary>
 /// https://github.com/animetrics/PlistCS
@@ -161,7 +161,7 @@ public static class Plist
 
         WriteBinaryString("bplist00", false);
 
-        offsetTableOffset = (long)objectTable.Count;
+        offsetTableOffset = objectTable.Count;
 
         offsetTable.Add(objectTable.Count - 8);
 
@@ -313,9 +313,9 @@ public static class Plist
         }
         else if (value is int || value is long)
         {
-            writer.WriteElementString("integer", ((int)value).ToString(System.Globalization.NumberFormatInfo.InvariantInfo));
+            writer.WriteElementString("integer", ((int)value).ToString(NumberFormatInfo.InvariantInfo));
         }
-        else if (value is System.Collections.Generic.Dictionary<string, object> ||
+        else if (value is Dictionary<string, object> ||
           value.GetType().ToString().StartsWith("System.Collections.Generic.Dictionary`2[System.String"))
         {
             // Convert to Dictionary<string, object>
@@ -340,7 +340,7 @@ public static class Plist
         }
         else if (value is float || value is double)
         {
-            writer.WriteElementString("real", ((double)value).ToString(System.Globalization.NumberFormatInfo.InvariantInfo));
+            writer.WriteElementString("real", ((double)value).ToString(NumberFormatInfo.InvariantInfo));
         }
         else if (value is DateTime time)
         {
@@ -759,7 +759,7 @@ public static class Plist
                     // 0 return null
                     // 9 return true
                     // 8 return false
-                    return (objectTable[offsetTable[objRef]] == 0) ? null : (objectTable[offsetTable[objRef]] == 9);
+                    return objectTable[offsetTable[objRef]] == 0 ? null : objectTable[offsetTable[objRef]] == 9;
                 }
             case 0x10:
                 {

QuickLook.Plugin/QuickLook.Plugin.AppViewer/PackageParsers/Msi/MsiInfo.cs

@@ -15,7 +15,7 @@
 // You should have received a copy of the GNU General Public License
 // along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-namespace QuickLook.Plugin.AppViewer.MsiPackageParser;
+namespace QuickLook.Plugin.AppViewer.PackageParsers.Msi;
 
 public sealed class MsiInfo
 {

QuickLook.Plugin/QuickLook.Plugin.AppViewer/PackageParsers/Msi/MsiParser.cs

@@ -17,7 +17,7 @@
 
 using WixToolset.Dtf.WindowsInstaller;
 
-namespace QuickLook.Plugin.AppViewer.MsiPackageParser;
+namespace QuickLook.Plugin.AppViewer.PackageParsers.Msi;
 
 public static class MsiParser
 {

QuickLook.Plugin/QuickLook.Plugin.AppViewer/PackageParsers/Wgt/WgtInfo.cs

@@ -18,7 +18,7 @@
 using System.Collections.Generic;
 using System.Globalization;
 
-namespace QuickLook.Plugin.AppViewer.WgtPackageParser;
+namespace QuickLook.Plugin.AppViewer.PackageParsers.Wgt;
 
 public sealed class WgtInfo
 {

QuickLook.Plugin/QuickLook.Plugin.AppViewer/PackageParsers/Wgt/WgtParser.cs

@@ -23,7 +23,7 @@ using System.IO.Compression;
 using System.Linq;
 using System.Text;
 
-namespace QuickLook.Plugin.AppViewer.WgtPackageParser;
+namespace QuickLook.Plugin.AppViewer.PackageParsers.Wgt;
 
 internal static class WgtParser
 {

QuickLook.Plugin/QuickLook.Plugin.AppViewer/Plugin.cs

@@ -16,6 +16,7 @@
 // along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 using QuickLook.Common.Plugin;
+using QuickLook.Plugin.AppViewer.InfoPanels;
 using System;
 using System.IO;
 using System.Linq;
@@ -47,6 +48,9 @@ public class Plugin : IViewer
         ".hap", ".hap.1", // HarmonyOS Package
         //".har", // HarmonyOS Archive
 
+        // Ubuntu
+        //".deb", // Debian Package
+
         // Others
         ".wgt", ".wgtu", // UniApp Widget
     ];
@@ -74,6 +78,7 @@ public class Plugin : IViewer
             ".hap" => new Size { Width = 560, Height = 500 },
             ".msi" => new Size { Width = 520, Height = 230 },
             ".msix" or ".msixbundle" or ".appx" or ".appxbundle" => new Size { Width = 560, Height = 328 },
+            ".deb" => new Size { Width = 600, Height = 345 },
             ".wgt" or ".wgtu" => new Size { Width = 600, Height = 345 },
             _ => throw new NotSupportedException("Extension is not supported."),
         };
@@ -89,6 +94,7 @@ public class Plugin : IViewer
             ".hap" => new HapInfoPanel(context),
             ".msi" => new MsiInfoPanel(context),
             ".msix" or ".msixbundle" or ".appx" or ".appxbundle" => new AppxInfoPanel(context),
+            ".deb" => new DebInfoPanel(context),
             ".wgt" or ".wgtu" => new WgtInfoPanel(context),
             _ => throw new NotSupportedException("Extension is not supported."),
         };