[Peek] Support for archives (#26839)

* support for archives in peek

* fix spellcheck

* horizontal scrolling

* fix height

* removed redundant helper
This commit is contained in:
Davide Giacometti
2023-06-28 09:38:53 +02:00
committed by GitHub
parent 67ce81ded8
commit 6ba8596d52
19 changed files with 735 additions and 3 deletions

View File

@@ -1087,6 +1087,7 @@ LIGHTORANGE
LIGHTTURQUOISE
lindex
linkedin
LINKOVERLAY
linq
LINQTo
listview
@@ -1415,6 +1416,7 @@ nullonfailure
numberbox
NUMLOCK
numpad
nupkg
nwc
Objbase
OBJID
@@ -1613,6 +1615,7 @@ psapi
pscid
PSECURITY
psfgao
psfi
Psr
psrm
psrree
@@ -1851,6 +1854,7 @@ shellscalingapi
SHFILEINFO
SHGDNF
SHGFI
shinfo
Shl
shldisp
shlobj
@@ -2056,6 +2060,7 @@ TEXCOORD
textblock
TEXTEXTRACTOR
TEXTINCLUDE
tgz
themeresources
THH
THICKFRAME
@@ -2123,6 +2128,7 @@ ULONGLONG
unapply
unassign
uncompilable
Uncompress
UNCPRIORITY
UNDNAME
UNICODETEXT

View File

@@ -45,6 +45,7 @@
<PackageVersion Include="NLog.Extensions.Logging" Version="5.0.4" />
<PackageVersion Include="NLog.Schema" Version="5.0.4" />
<PackageVersion Include="ScipBe.Common.Office.OneNote" Version="3.0.1" />
<PackageVersion Include="SharpCompress" Version="0.33.0" />
<PackageVersion Include="StreamJsonRpc" Version="2.14.24" />
<PackageVersion Include="StyleCop.Analyzers" Version="1.2.0-beta.435" />
<PackageVersion Include="System.CommandLine" Version="2.0.0-beta4.22272.1" />

View File

@@ -318,6 +318,7 @@ SOFTWARE.
- NLog.Extensions.Logging 5.0.4
- NLog.Schema 5.0.4
- ScipBe.Common.Office.OneNote 3.0.1
- SharpCompress 0.33.0
- StreamJsonRpc 2.14.24
- StyleCop.Analyzers 1.2.0-beta.435
- System.CommandLine 2.0.0-beta4.22272.1

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@@ -0,0 +1,27 @@
// Copyright (c) Microsoft Corporation
// The Microsoft Corporation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
using System;
using Microsoft.UI.Xaml.Data;
using Peek.Common.Helpers;
namespace Peek.Common.Converters
{
public class BytesToStringConverter : IValueConverter
{
public object Convert(object value, Type targetType, object parameter, string language)
{
if (value is ulong size)
{
return ReadableStringHelper.BytesToReadableString(size);
}
else
{
return value;
}
}
public object ConvertBack(object value, Type targetType, object parameter, string language) => throw new NotImplementedException();
}
}

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@@ -0,0 +1,137 @@
<!-- Copyright (c) Microsoft Corporation. All rights reserved. -->
<!-- Licensed under the MIT License. See LICENSE in the project root for license information. -->
<UserControl
x:Class="Peek.FilePreviewer.Controls.ArchiveControl"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:local="using:Peek.FilePreviewer.Controls"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:models="using:Peek.FilePreviewer.Previewers.Archives.Models"
xmlns:converters="using:Peek.Common.Converters"
mc:Ignorable="d">
<UserControl.Resources>
<DataTemplate
x:Key="DirectoryTemplate"
x:DataType="models:ArchiveItem">
<TreeViewItem
AutomationProperties.Name="{x:Bind Name}"
ItemsSource="{x:Bind Children}"
IsExpanded="{x:Bind IsExpanded}">
<Grid ColumnSpacing="10">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="auto" />
<ColumnDefinition Width="auto" />
</Grid.ColumnDefinitions>
<Image
Width="16"
Height="16"
Grid.Column="0"
Source="{x:Bind Icon}" />
<TextBlock
Grid.Column="1"
Text="{x:Bind Name}" />
</Grid>
</TreeViewItem>
</DataTemplate>
<DataTemplate
x:Key="FileTemplate"
x:DataType="models:ArchiveItem">
<TreeViewItem
AutomationProperties.Name="{x:Bind Name}">
<Grid ColumnSpacing="10">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="auto" />
<ColumnDefinition Width="auto" />
<ColumnDefinition Width="auto" />
</Grid.ColumnDefinitions>
<Image
Width="16"
Height="16"
Grid.Column="0"
Source="{x:Bind Icon}" />
<TextBlock
Grid.Column="1"
Text="{x:Bind Name}" />
<TextBlock
Grid.Column="2"
Foreground="{ThemeResource TextFillColorSecondaryBrush}"
Text="{Binding Size, Converter={StaticResource BytesToStringConverter}}" />
</Grid>
</TreeViewItem>
</DataTemplate>
<models:ArchiveItemTemplateSelector
x:Key="ArchiveItemTemplateSelector"
DirectoryTemplate="{StaticResource DirectoryTemplate}"
FileTemplate="{StaticResource FileTemplate}" />
<converters:BytesToStringConverter x:Key="BytesToStringConverter" />
</UserControl.Resources>
<Grid>
<Grid.RowDefinitions>
<RowDefinition Height="*" />
<RowDefinition Height="auto" />
</Grid.RowDefinitions>
<ScrollViewer
Grid.Row="0"
HorizontalScrollBarVisibility="Auto">
<TreeView
x:Name="ArchivePreview"
ItemsSource="{x:Bind Source, Mode=OneWay}"
ItemTemplateSelector="{StaticResource ArchiveItemTemplateSelector}"
SelectionMode="None"
CanReorderItems="False"
CanDragItems="False" />
</ScrollViewer>
<Border
Grid.Row="1"
MinWidth="300"
Background="{ThemeResource CardBackgroundFillColorDefaultBrush}"
BorderBrush="{ThemeResource CardStrokeColorDefaultBrush}"
BorderThickness="1"
CornerRadius="8"
Margin="16"
HorizontalAlignment="Center">
<Grid
ColumnSpacing="16"
Padding="16">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="*" />
<ColumnDefinition Width="auto" />
<ColumnDefinition Width="*" />
<ColumnDefinition Width="auto" />
<ColumnDefinition Width="*" />
</Grid.ColumnDefinitions>
<TextBlock
Grid.Column="0"
Text="{x:Bind DirectoryCount, Mode=OneWay}"
IsTextSelectionEnabled="True"
VerticalAlignment="Center"
TextWrapping="Wrap" />
<Border
Grid.Column="1"
BorderBrush="{ThemeResource TextFillColorPrimaryBrush}"
BorderThickness="0 0 1 0" />
<TextBlock
Grid.Column="2"
Text="{x:Bind FileCount, Mode=OneWay}"
IsTextSelectionEnabled="True"
VerticalAlignment="Center"
TextWrapping="Wrap" />
<Border
Grid.Column="3"
BorderBrush="{ThemeResource TextFillColorPrimaryBrush}"
BorderThickness="0 0 1 0" />
<TextBlock
Grid.Column="4"
Text="{x:Bind Size, Mode=OneWay}"
IsTextSelectionEnabled="True"
VerticalAlignment="Center"
TextWrapping="Wrap" />
</Grid>
</Border>
</Grid>
</UserControl>

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@@ -0,0 +1,81 @@
// Copyright (c) Microsoft Corporation
// The Microsoft Corporation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
using System.Collections.ObjectModel;
using Microsoft.UI.Xaml;
using Microsoft.UI.Xaml.Controls;
using Peek.FilePreviewer.Previewers;
using Peek.FilePreviewer.Previewers.Archives;
using Peek.FilePreviewer.Previewers.Archives.Models;
namespace Peek.FilePreviewer.Controls
{
public sealed partial class ArchiveControl : UserControl
{
public static readonly DependencyProperty SourceProperty = DependencyProperty.Register(
nameof(Source),
typeof(ObservableCollection<ArchiveItem>),
typeof(ArchivePreviewer),
new PropertyMetadata(null));
public static readonly DependencyProperty LoadingStateProperty = DependencyProperty.Register(
nameof(LoadingState),
typeof(PreviewState),
typeof(ArchivePreviewer),
new PropertyMetadata(PreviewState.Uninitialized));
public static readonly DependencyProperty DirectoryCountProperty = DependencyProperty.Register(
nameof(DirectoryCount),
typeof(string),
typeof(ArchivePreviewer),
new PropertyMetadata(null));
public static readonly DependencyProperty FileCountProperty = DependencyProperty.Register(
nameof(FileCount),
typeof(string),
typeof(ArchivePreviewer),
new PropertyMetadata(null));
public static readonly DependencyProperty SizeProperty = DependencyProperty.Register(
nameof(Size),
typeof(string),
typeof(ArchivePreviewer),
new PropertyMetadata(null));
public ObservableCollection<ArchiveItem>? Source
{
get { return (ObservableCollection<ArchiveItem>)GetValue(SourceProperty); }
set { SetValue(SourceProperty, value); }
}
public PreviewState? LoadingState
{
get { return (PreviewState)GetValue(LoadingStateProperty); }
set { SetValue(LoadingStateProperty, value); }
}
public string? DirectoryCount
{
get { return (string)GetValue(DirectoryCountProperty); }
set { SetValue(DirectoryCountProperty, value); }
}
public string? FileCount
{
get { return (string)GetValue(FileCountProperty); }
set { SetValue(FileCountProperty, value); }
}
public string? Size
{
get { return (string)GetValue(SizeProperty); }
set { SetValue(SizeProperty, value); }
}
public ArchiveControl()
{
this.InitializeComponent();
}
}
}

View File

@@ -1,4 +1,4 @@
<!-- Copyright (c) Microsoft Corporation and Contributors. -->
<!-- Copyright (c) Microsoft Corporation and Contributors. -->
<!-- Licensed under the MIT License. -->
<UserControl
@@ -51,6 +51,15 @@
Source="{x:Bind BrowserPreviewer.Preview, Mode=OneWay}"
Visibility="{x:Bind IsPreviewVisible(BrowserPreviewer, Previewer.State), Mode=OneWay, FallbackValue=Collapsed}" />
<controls:ArchiveControl
x:Name="ArchivePreview"
LoadingState="{x:Bind ArchivePreviewer.State, Mode=OneWay}"
Source="{x:Bind ArchivePreviewer.Tree, Mode=OneWay}"
FileCount="{x:Bind ArchivePreviewer.FileCountText, Mode=OneWay}"
DirectoryCount="{x:Bind ArchivePreviewer.DirectoryCountText, Mode=OneWay}"
Size="{x:Bind ArchivePreviewer.SizeText, Mode=OneWay}"
Visibility="{x:Bind IsPreviewVisible(ArchivePreviewer, Previewer.State), Mode=OneWay}" />
<controls:UnsupportedFilePreview
x:Name="UnsupportedFilePreview"
LoadingState="{x:Bind UnsupportedFilePreviewer.State, Mode=OneWay}"

View File

@@ -1,4 +1,4 @@
// Copyright (c) Microsoft Corporation
// Copyright (c) Microsoft Corporation
// The Microsoft Corporation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
@@ -49,6 +49,7 @@ namespace Peek.FilePreviewer
[NotifyPropertyChangedFor(nameof(ImagePreviewer))]
[NotifyPropertyChangedFor(nameof(VideoPreviewer))]
[NotifyPropertyChangedFor(nameof(BrowserPreviewer))]
[NotifyPropertyChangedFor(nameof(ArchivePreviewer))]
[NotifyPropertyChangedFor(nameof(UnsupportedFilePreviewer))]
private IPreviewer? previewer;
@@ -94,6 +95,8 @@ namespace Peek.FilePreviewer
public IBrowserPreviewer? BrowserPreviewer => Previewer as IBrowserPreviewer;
public IArchivePreviewer? ArchivePreviewer => Previewer as IArchivePreviewer;
public IUnsupportedFilePreviewer? UnsupportedFilePreviewer => Previewer as IUnsupportedFilePreviewer;
public IFileSystemItem Item
@@ -145,6 +148,7 @@ namespace Peek.FilePreviewer
ImagePreview.Visibility = Visibility.Collapsed;
VideoPreview.Visibility = Visibility.Collapsed;
BrowserPreview.Visibility = Visibility.Collapsed;
ArchivePreview.Visibility = Visibility.Collapsed;
UnsupportedFilePreview.Visibility = Visibility.Collapsed;
return;
}
@@ -207,6 +211,7 @@ namespace Peek.FilePreviewer
VideoPreview.Source = null;
ImagePreview.Source = null;
ArchivePreview.Source = null;
BrowserPreview.Source = null;
if (Previewer != null)

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@@ -14,6 +14,7 @@
</PRIResource>
</ItemGroup>
<ItemGroup>
<None Remove="Controls\ArchiveControl.xaml" />
<None Remove="Controls\BrowserControl.xaml" />
<None Remove="Controls\UnsupportedFilePreview\FailedFallbackPreviewControl.xaml" />
<None Remove="Controls\UnsupportedFilePreview\InformationalPreviewControl.xaml" />
@@ -25,6 +26,7 @@
<PackageReference Include="CommunityToolkit.Mvvm" />
<PackageReference Include="Microsoft.WindowsAppSDK" />
<PackageReference Include="Microsoft.Windows.SDK.BuildTools" />
<PackageReference Include="SharpCompress" />
<PackageReference Include="System.Drawing.Common" />
</ItemGroup>
@@ -35,6 +37,12 @@
<ProjectReference Include="..\Peek.Common\Peek.Common.csproj" />
</ItemGroup>
<ItemGroup>
<Page Update="Controls\ArchiveControl.xaml">
<Generator>MSBuild:Compile</Generator>
</Page>
</ItemGroup>
<ItemGroup>
<Page Update="Controls\UnsupportedFilePreview\FailedFallbackPreviewControl.xaml">
<Generator>MSBuild:Compile</Generator>

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@@ -0,0 +1,216 @@
// Copyright (c) Microsoft Corporation
// The Microsoft Corporation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Data;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using CommunityToolkit.Mvvm.ComponentModel;
using Microsoft.UI.Dispatching;
using Peek.Common.Extensions;
using Peek.Common.Helpers;
using Peek.Common.Models;
using Peek.FilePreviewer.Models;
using Peek.FilePreviewer.Previewers.Archives.Helpers;
using Peek.FilePreviewer.Previewers.Archives.Models;
using Peek.FilePreviewer.Previewers.Interfaces;
using SharpCompress.Archives;
using SharpCompress.Common;
using SharpCompress.Readers;
using Windows.ApplicationModel.Resources;
namespace Peek.FilePreviewer.Previewers.Archives
{
public partial class ArchivePreviewer : ObservableObject, IArchivePreviewer
{
private readonly IconCache _iconCache = new();
private int _directoryCount;
private int _fileCount;
private ulong _size;
private ulong _extractedSize;
[ObservableProperty]
private PreviewState state;
[ObservableProperty]
private string? _directoryCountText;
[ObservableProperty]
private string? _fileCountText;
[ObservableProperty]
private string? _sizeText;
private IFileSystemItem Item { get; }
private DispatcherQueue Dispatcher { get; }
public ObservableCollection<ArchiveItem> Tree { get; }
public ArchivePreviewer(IFileSystemItem file)
{
Item = file;
Dispatcher = DispatcherQueue.GetForCurrentThread();
Tree = new ObservableCollection<ArchiveItem>();
}
public async Task CopyAsync()
{
await Dispatcher.RunOnUiThread(async () =>
{
var storageItem = await Item.GetStorageItemAsync();
ClipboardHelper.SaveToClipboard(storageItem);
});
}
public Task<PreviewSize> GetPreviewSizeAsync(CancellationToken cancellationToken)
{
return Task.FromResult(new PreviewSize { MonitorSize = null });
}
public async Task LoadPreviewAsync(CancellationToken cancellationToken)
{
State = PreviewState.Loading;
using var stream = File.OpenRead(Item.Path);
if (Item.Path.EndsWith(".tar.gz", StringComparison.OrdinalIgnoreCase) || Item.Path.EndsWith(".tgz", StringComparison.OrdinalIgnoreCase))
{
using var archive = ArchiveFactory.Open(stream);
_extractedSize = (ulong)archive.TotalUncompressSize;
stream.Seek(0, SeekOrigin.Begin);
using var reader = ReaderFactory.Open(stream);
while (reader.MoveToNextEntry())
{
cancellationToken.ThrowIfCancellationRequested();
await AddEntryAsync(reader.Entry, cancellationToken);
}
}
else
{
using var archive = ArchiveFactory.Open(stream);
_extractedSize = (ulong)archive.TotalUncompressSize;
foreach (var entry in archive.Entries)
{
cancellationToken.ThrowIfCancellationRequested();
await AddEntryAsync(entry, cancellationToken);
}
}
_size = (ulong)new FileInfo(Item.Path).Length; // archive.TotalSize isn't accurate
DirectoryCountText = string.Format(CultureInfo.CurrentCulture, ResourceLoader.GetForViewIndependentUse().GetString("Archive_Directory_Count"), _directoryCount);
FileCountText = string.Format(CultureInfo.CurrentCulture, ResourceLoader.GetForViewIndependentUse().GetString("Archive_File_Count"), _fileCount);
SizeText = string.Format(CultureInfo.CurrentCulture, ResourceLoader.GetForViewIndependentUse().GetString("Archive_Size"), ReadableStringHelper.BytesToReadableString(_size), ReadableStringHelper.BytesToReadableString(_extractedSize));
State = PreviewState.Loaded;
}
public static bool IsFileTypeSupported(string fileExt)
{
return _supportedFileTypes.Contains(fileExt);
}
public void Dispose()
{
GC.SuppressFinalize(this);
}
private async Task AddEntryAsync(IEntry entry, CancellationToken cancellationToken)
{
ArgumentNullException.ThrowIfNull(entry, nameof(entry));
var levels = entry!.Key
.Split('/', '\\')
.Where(l => !string.IsNullOrWhiteSpace(l))
.ToArray();
ArchiveItem? parent = null;
for (var i = 0; i < levels.Length; i++)
{
var type = (!entry.IsDirectory && i == levels.Length - 1) ? ArchiveItemType.File : ArchiveItemType.Directory;
var icon = type == ArchiveItemType.Directory
? await _iconCache.GetDirectoryIconAsync(cancellationToken)
: await _iconCache.GetFileExtIconAsync(entry.Key, cancellationToken);
var item = new ArchiveItem(levels[i], type, icon);
if (type == ArchiveItemType.Directory)
{
item.IsExpanded = parent == null; // Only the root level is expanded
}
else if (type == ArchiveItemType.File)
{
item.Size = (ulong)entry.Size;
}
if (parent == null)
{
var existing = Tree.FirstOrDefault(e => e.Name == item.Name);
if (existing == null)
{
var index = GetIndex(Tree, item);
Tree.Insert(index, item);
CountItem(item);
}
parent = existing ?? Tree.First(e => e.Name == item.Name);
}
else
{
var existing = parent.Children.FirstOrDefault(e => e.Name == item.Name);
if (existing == null)
{
var index = GetIndex(parent.Children, item);
parent.Children.Insert(index, item);
CountItem(item);
}
parent = existing ?? parent.Children.First(e => e.Name == item.Name);
}
}
}
private int GetIndex(ObservableCollection<ArchiveItem> collection, ArchiveItem item)
{
for (var i = 0; i < collection.Count; i++)
{
if (item.Type == collection[i].Type && string.Compare(collection[i].Name, item.Name, StringComparison.OrdinalIgnoreCase) > 0)
{
return i;
}
}
return item.Type switch
{
ArchiveItemType.Directory => collection.Count(e => e.Type == ArchiveItemType.Directory),
ArchiveItemType.File => collection.Count,
_ => 0,
};
}
private void CountItem(ArchiveItem item)
{
if (item.Type == ArchiveItemType.Directory)
{
_directoryCount++;
}
else if (item.Type == ArchiveItemType.File)
{
_fileCount++;
}
}
private static readonly HashSet<string> _supportedFileTypes = new()
{
".zip", ".rar", ".7z", ".tar", ".nupkg", ".jar", ".gz", ".tar", ".tar.gz", ".tgz",
};
}
}

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@@ -0,0 +1,85 @@
// Copyright (c) Microsoft Corporation
// The Microsoft Corporation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
using System;
using System.Collections.Generic;
using System.IO;
using System.Runtime.InteropServices;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.UI.Xaml.Media.Imaging;
using Peek.Common;
using Peek.Common.Helpers;
using Peek.Common.Models;
using Peek.FilePreviewer.Previewers.Helpers;
namespace Peek.FilePreviewer.Previewers.Archives.Helpers
{
public class IconCache
{
private readonly Dictionary<string, BitmapSource> _cache = new();
private BitmapSource? _directoryIconCache;
public async Task<BitmapSource?> GetFileExtIconAsync(string fileName, CancellationToken cancellationToken)
{
var extension = Path.GetExtension(fileName);
if (_cache.TryGetValue(extension, out var cachedIcon))
{
return cachedIcon;
}
try
{
var shFileInfo = default(SHFILEINFO);
if (NativeMethods.SHGetFileInfo(fileName, NativeMethods.FILE_ATTRIBUTE_NORMAL, ref shFileInfo, (uint)Marshal.SizeOf(shFileInfo), NativeMethods.SHGFI_ICON | NativeMethods.SHGFI_SMALLICON | NativeMethods.SHGFI_USEFILEATTRIBUTES) != IntPtr.Zero)
{
var imageSource = await BitmapHelper.GetBitmapFromHIconAsync(shFileInfo.HIcon, cancellationToken);
_cache.Add(extension, imageSource);
return imageSource;
}
else
{
Logger.LogError($"Icon extraction for extension {extension} failed with error {Marshal.GetLastWin32Error()}");
}
}
catch (Exception ex)
{
Logger.LogError($"Icon extraction for extension {extension} failed", ex);
}
return null;
}
public async Task<BitmapSource?> GetDirectoryIconAsync(CancellationToken cancellationToken)
{
if (_directoryIconCache != null)
{
return _directoryIconCache;
}
try
{
var shinfo = default(SHFILEINFO);
if (NativeMethods.SHGetFileInfo("directory", NativeMethods.FILE_ATTRIBUTE_DIRECTORY, ref shinfo, (uint)Marshal.SizeOf(shinfo), NativeMethods.SHGFI_ICON | NativeMethods.SHGFI_SMALLICON | NativeMethods.SHGFI_USEFILEATTRIBUTES) != IntPtr.Zero)
{
var imageSource = await BitmapHelper.GetBitmapFromHIconAsync(shinfo.HIcon, cancellationToken);
_directoryIconCache = imageSource;
return imageSource;
}
else
{
Logger.LogError($"Icon extraction for directory failed with error {Marshal.GetLastWin32Error()}");
}
}
catch (Exception ex)
{
Logger.LogError($"Icon extraction for directory failed", ex);
}
return null;
}
}
}

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@@ -0,0 +1,38 @@
// Copyright (c) Microsoft Corporation
// The Microsoft Corporation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
using System.Collections.ObjectModel;
using CommunityToolkit.Mvvm.ComponentModel;
using Microsoft.UI.Xaml.Media;
namespace Peek.FilePreviewer.Previewers.Archives.Models
{
public partial class ArchiveItem : ObservableObject
{
[ObservableProperty]
private string _name;
[ObservableProperty]
private ArchiveItemType _type;
[ObservableProperty]
private ImageSource? _icon;
[ObservableProperty]
private ulong _size;
[ObservableProperty]
private bool _isExpanded;
public ObservableCollection<ArchiveItem> Children { get; }
public ArchiveItem(string name, ArchiveItemType type, ImageSource? icon)
{
Name = name;
Type = type;
Icon = icon;
Children = new ObservableCollection<ArchiveItem>();
}
}
}

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@@ -0,0 +1,27 @@
// Copyright (c) Microsoft Corporation
// The Microsoft Corporation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
using System;
using Microsoft.UI.Xaml;
using Microsoft.UI.Xaml.Controls;
namespace Peek.FilePreviewer.Previewers.Archives.Models
{
public class ArchiveItemTemplateSelector : DataTemplateSelector
{
public DataTemplate? DirectoryTemplate { get; set; }
public DataTemplate? FileTemplate { get; set; }
protected override DataTemplate? SelectTemplateCore(object item)
{
if (item is ArchiveItem archiveItem)
{
return archiveItem.Type == ArchiveItemType.Directory ? DirectoryTemplate : FileTemplate;
}
throw new ArgumentException("Item must be an ArchiveItem", nameof(item));
}
}
}

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@@ -0,0 +1,12 @@
// Copyright (c) Microsoft Corporation
// The Microsoft Corporation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
namespace Peek.FilePreviewer.Previewers.Archives.Models
{
public enum ArchiveItemType
{
Directory = 0,
File = 1,
}
}

View File

@@ -3,6 +3,7 @@
// See the LICENSE file in the project root for more information.
using System;
using System.Drawing;
using System.Drawing.Imaging;
using System.IO;
using System.Threading;
@@ -18,7 +19,7 @@ namespace Peek.FilePreviewer.Previewers.Helpers
{
try
{
var bitmap = System.Drawing.Image.FromHbitmap(hbitmap);
var bitmap = Image.FromHbitmap(hbitmap);
if (isSupportingTransparency)
{
bitmap.MakeTransparent();
@@ -44,5 +45,32 @@ namespace Peek.FilePreviewer.Previewers.Helpers
NativeMethods.DeleteObject(hbitmap);
}
}
public static async Task<BitmapSource> GetBitmapFromHIconAsync(IntPtr hicon, CancellationToken cancellationToken)
{
try
{
var icon = (Icon)Icon.FromHandle(hicon).Clone();
var bitmap = icon.ToBitmap();
var bitmapImage = new BitmapImage();
using (var stream = new MemoryStream())
{
bitmap.Save(stream, ImageFormat.Png);
stream.Position = 0;
cancellationToken.ThrowIfCancellationRequested();
await bitmapImage.SetSourceAsync(stream.AsRandomAccessStream());
}
return bitmapImage;
}
finally
{
// Delete HIcon to avoid memory leaks
_ = NativeMethods.DestroyIcon(hicon);
}
}
}
}

View File

@@ -0,0 +1,21 @@
// Copyright (c) Microsoft Corporation
// The Microsoft Corporation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
using System;
using System.Collections.ObjectModel;
using Peek.FilePreviewer.Previewers.Archives.Models;
namespace Peek.FilePreviewer.Previewers.Interfaces
{
public interface IArchivePreviewer : IPreviewer, IDisposable
{
ObservableCollection<ArchiveItem> Tree { get; }
string? DirectoryCountText { get; }
string? FileCountText { get; }
string? SizeText { get; }
}
}

View File

@@ -10,6 +10,13 @@ namespace Peek.Common
{
public static class NativeMethods
{
internal const uint SHGFI_ICON = 0x000000100;
internal const uint SHGFI_LINKOVERLAY = 0x000008000;
internal const uint SHGFI_SMALLICON = 0x000000001;
internal const uint SHGFI_USEFILEATTRIBUTES = 0x000000010;
internal const uint FILE_ATTRIBUTE_NORMAL = 0x00000080;
internal const uint FILE_ATTRIBUTE_DIRECTORY = 0x00000010;
[DllImport("shell32.dll", CharSet = CharSet.Unicode, SetLastError = true)]
internal static extern int SHCreateItemFromParsingName(
[MarshalAs(UnmanagedType.LPWStr)] string path,
@@ -17,8 +24,14 @@ namespace Peek.Common
ref Guid riid,
[MarshalAs(UnmanagedType.Interface)] out IShellItem shellItem);
[DllImport("User32.dll", SetLastError = true)]
internal static extern int DestroyIcon(IntPtr hIcon);
[DllImport("gdi32.dll")]
[return: MarshalAs(UnmanagedType.Bool)]
internal static extern bool DeleteObject(IntPtr hObject);
[DllImport("shell32.dll", CharSet = CharSet.Unicode, SetLastError = true)]
internal static extern IntPtr SHGetFileInfo(string pszPath, uint dwFileAttributes, ref SHFILEINFO psfi, uint cbFileInfo, uint uFlags);
}
}

View File

@@ -4,6 +4,7 @@
using Microsoft.PowerToys.Telemetry;
using Peek.Common.Models;
using Peek.FilePreviewer.Previewers.Archives;
using Peek.UI.Telemetry.Events;
namespace Peek.FilePreviewer.Previewers
@@ -24,6 +25,10 @@ namespace Peek.FilePreviewer.Previewers
{
return new WebBrowserPreviewer(file);
}
else if (ArchivePreviewer.IsFileTypeSupported(file.Extension))
{
return new ArchivePreviewer(file);
}
// Other previewer types check their supported file types here
return CreateDefaultPreviewer(file);

View File

@@ -221,4 +221,16 @@
<value>An error occurred while previewing this file.</value>
<comment>Failed fallback preview text.</comment>
</data>
<data name="Archive_Directory_Count" xml:space="preserve">
<value>{0} directories</value>
<comment>{0} is the number of directories in the archive</comment>
</data>
<data name="Archive_File_Count" xml:space="preserve">
<value>{0} files</value>
<comment>{0} is the number of files in the archive</comment>
</data>
<data name="Archive_Size" xml:space="preserve">
<value>{0} (extracted {1})</value>
<comment>{0} is the size of the archive, {1} is the extracted size</comment>
</data>
</root>