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@0x5bfa
0x5bfa committed Sep 22, 2024
1 parent 56df483 commit c7ac2d3
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Showing 2 changed files with 136 additions and 73 deletions.
5 changes: 5 additions & 0 deletions src/Files.App.CsWin32/NativeMethods.txt
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Expand Up @@ -133,3 +133,8 @@ IFileOperation
IShellItem2
PSGetPropertyKeyFromName
ShellExecuteEx
BHID_EnumItems
CoTaskMemFree
FOLDERID_NetHood
IShellLinkW
SLGP_FLAGS
204 changes: 131 additions & 73 deletions src/Files.App/Services/Storage/StorageNetworkService.cs
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@@ -1,24 +1,20 @@
// Copyright (c) 2024 Files Community
// Licensed under the MIT License. See the LICENSE.

using System.Runtime.InteropServices;
using System.Text;
using Vanara.PInvoke;
using Vanara.Windows.Shell;
using Windows.Win32;
using Windows.Win32.Foundation;
using Windows.Win32.NetworkManagement.WNet;
using Windows.Win32.Security.Credentials;
using Windows.Win32.System.SystemServices;
using Windows.Win32.UI.Shell;

namespace Files.App.Services
{
public sealed class NetworkService : ObservableObject, INetworkService
{
private ICommonDialogService CommonDialogService { get; } = Ioc.Default.GetRequiredService<ICommonDialogService>();

private readonly static string guid = "::{f02c1a0d-be21-4350-88b0-7367fc96ef3c}";


private ObservableCollection<ILocatableFolder> _Computers = [];
/// <inheritdoc/>
public ObservableCollection<ILocatableFolder> Computers
Expand All @@ -40,102 +36,164 @@ public ObservableCollection<ILocatableFolder> Shortcuts
/// </summary>
public NetworkService()
{
var networkItem = new DriveItem()
var item = new DriveItem()
{
DeviceID = "network-folder",
Text = "Network".GetLocalizedResource(),
Path = Constants.UserEnvironmentPaths.NetworkFolderPath,
Type = DriveType.Network,
ItemType = NavigationControlItemType.Drive,
MenuOptions = new ContextMenuOptions()
{
IsLocationItem = true,
ShowShellItems = true,
ShowProperties = true,
},
};

networkItem.MenuOptions = new ContextMenuOptions()
{
IsLocationItem = true,
ShowEjectDevice = networkItem.IsRemovable,
ShowShellItems = true,
ShowProperties = true,
};
item.MenuOptions.ShowEjectDevice = item.IsRemovable;

lock (_Computers)
_Computers.Add(networkItem);
_Computers.Add(item);
}

/// <inheritdoc/>
public async Task<IEnumerable<ILocatableFolder>> GetComputersAsync()
{
var result = await Win32Helper.GetShellFolderAsync(guid, false, true, 0, int.MaxValue);
return await Task.Run(GetComputers);

return result.Enumerate.Where(item => item.IsFolder).Select(item =>
unsafe IEnumerable<ILocatableFolder> GetComputers()
{
var networkItem = new DriveItem()
HRESULT hr = default;

// Get IShellItem of the shell folder
var shellItemIid = typeof(IShellItem).GUID;
using ComPtr<IShellItem> pFolderShellItem = default;
fixed (char* pszFolderShellPath = "Shell:::{F02C1A0D-BE21-4350-88B0-7367FC96EF3C}")
hr = PInvoke.SHCreateItemFromParsingName(pszFolderShellPath, null, &shellItemIid, (void**)pFolderShellItem.GetAddressOf());

// Get IEnumShellItems of the shell folder
var enumItemsBHID = PInvoke.BHID_EnumItems;
Guid enumShellItemIid = typeof(IEnumShellItems).GUID;
using ComPtr<IEnumShellItems> pEnumShellItems = default;
hr = pFolderShellItem.Get()->BindToHandler(null, &enumItemsBHID, &enumShellItemIid, (void**)pEnumShellItems.GetAddressOf());

// Enumerate items and populate the list
List<ILocatableFolder> items = [];
using ComPtr<IShellItem> pShellItem = default;
while (pEnumShellItems.Get()->Next(1, pShellItem.GetAddressOf()) == HRESULT.S_OK)
{
Text = item.FileName,
Path = item.FilePath,
DeviceID = item.FilePath,
Type = DriveType.Network,
ItemType = NavigationControlItemType.Drive,
};

networkItem.MenuOptions = new ContextMenuOptions()
{
IsLocationItem = true,
ShowEjectDevice = networkItem.IsRemovable,
ShowShellItems = true,
ShowProperties = true,
};
// Get only folders
if (pShellItem.Get()->GetAttributes(SFGAO_FLAGS.SFGAO_FOLDER, out var attribute) == HRESULT.S_OK &&
(attribute & SFGAO_FLAGS.SFGAO_FOLDER) is not SFGAO_FLAGS.SFGAO_FOLDER)
continue;

// Get the target path
using ComPtr<IShellLinkW> pShellLink = default;
var shellLinkIid = typeof(IShellLinkW).GUID;
pShellItem.Get()->QueryInterface(&shellLinkIid, (void**)pShellLink.GetAddressOf());
string targetPath = string.Empty;
fixed (char* pszTargetPath = new char[1024])
{
hr = pShellLink.Get()->GetPath(pszTargetPath, 1024, null, (uint)SLGP_FLAGS.SLGP_RAWPATH);
targetPath = Environment.ExpandEnvironmentVariables(new PWSTR(pszTargetPath).ToString());
}

return networkItem;
});
// Get the display name
pShellItem.Get()->GetDisplayName(SIGDN.SIGDN_NORMALDISPLAY, out var szDisplayName);
var fileName = szDisplayName.ToString();
PInvoke.CoTaskMemFree(szDisplayName.Value);

var item = new DriveItem()
{
Text = fileName,
Path = targetPath,
DeviceID = targetPath,
Type = DriveType.Network,
ItemType = NavigationControlItemType.Drive,
MenuOptions = new()
{
IsLocationItem = true,
ShowShellItems = true,
ShowProperties = true,
},
};

item.MenuOptions.ShowEjectDevice = item.IsRemovable;

items.Add(item);
}

return items;
}
}

/// <inheritdoc/>
public async Task<IEnumerable<ILocatableFolder>> GetShortcutsAsync()
{
var networkLocations = await Win32Helper.StartSTATask(() =>
return await Task.Run(GetShortcuts);

unsafe IEnumerable<ILocatableFolder> GetShortcuts()
{
var locations = new List<ShellLinkItem>();
using (var netHood = new ShellFolder(Shell32.KNOWNFOLDERID.FOLDERID_NetHood))
// Get IShellItem of the known folder
using ComPtr<IShellItem> pShellFolder = default;
var folderId = PInvoke.FOLDERID_NetHood;
var shellItemIid = typeof(IShellItem).GUID;
HRESULT hr = PInvoke.SHGetKnownFolderItem(&folderId, KNOWN_FOLDER_FLAG.KF_FLAG_DEFAULT, HANDLE.Null, &shellItemIid, (void**)pShellFolder.GetAddressOf());

// Get IEnumShellItems for Recycle Bin folder
using ComPtr<IEnumShellItems> pEnumShellItems = default;
Guid enumShellItemGuid = typeof(IEnumShellItems).GUID;
var enumItemsBHID = BHID.BHID_EnumItems;
hr = pShellFolder.Get()->BindToHandler(null, &enumItemsBHID, &enumShellItemGuid, (void**)pEnumShellItems.GetAddressOf());

List<ILocatableFolder> items = [];
using ComPtr<IShellItem> pShellItem = default;
while (pEnumShellItems.Get()->Next(1, pShellItem.GetAddressOf()) == HRESULT.S_OK)
{
foreach (var item in netHood)
// Get the target path
using ComPtr<IShellLinkW> pShellLink = default;
var shellLinkIid = typeof(IShellLinkW).GUID;
pShellItem.Get()->QueryInterface(&shellLinkIid, (void**)pShellLink.GetAddressOf());
string targetPath = string.Empty;
fixed (char* pszTargetPath = new char[1024])
{
if (item is ShellLink link)
{
locations.Add(ShellFolderExtensions.GetShellLinkItem(link));
}
else
{
var linkPath = (string?)item?.Properties["System.Link.TargetParsingPath"];
if (linkPath is not null)
{
var linkItem = ShellFolderExtensions.GetShellFileItem(item);
locations.Add(new(linkItem) { TargetPath = linkPath });
}
}
hr = pShellLink.Get()->GetPath(pszTargetPath, 1024, null, (uint)SLGP_FLAGS.SLGP_RAWPATH);
targetPath = Environment.ExpandEnvironmentVariables(new PWSTR(pszTargetPath).ToString());
}

// Get the display name
pShellItem.Get()->GetDisplayName(SIGDN.SIGDN_NORMALDISPLAY, out var szDisplayName);
var fileName = szDisplayName.ToString();
PInvoke.CoTaskMemFree(szDisplayName.Value);

// Get the file system path on disk
pShellItem.Get()->GetDisplayName(SIGDN.SIGDN_FILESYSPATH, out szDisplayName);
var filePath = szDisplayName.ToString();
PInvoke.CoTaskMemFree(szDisplayName.Value);

var item = new DriveItem()
{
Text = fileName,
Path = targetPath,
DeviceID = filePath,
Type = DriveType.Network,
ItemType = NavigationControlItemType.Drive,
MenuOptions = new()
{
IsLocationItem = true,
ShowShellItems = true,
ShowProperties = true,
},
};

item.MenuOptions.ShowEjectDevice = item.IsRemovable;

items.Add(item);
}
return locations;
});

return (networkLocations ?? Enumerable.Empty<ShellLinkItem>()).Select(item =>
{
var networkItem = new DriveItem()
{
Text = item.FileName,
Path = item.TargetPath,
DeviceID = item.FilePath,
Type = DriveType.Network,
ItemType = NavigationControlItemType.Drive,
};

networkItem.MenuOptions = new ContextMenuOptions()
{
IsLocationItem = true,
ShowEjectDevice = networkItem.IsRemovable,
ShowShellItems = true,
ShowProperties = true,
};
return networkItem;
});
return items;
}
}

/// <inheritdoc/>
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