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using Microsoft.Win32;
using Ryujinx.Common;
using Ryujinx.Common.Logging;
using System;
using System.Diagnostics;
using System.IO;
using System.Runtime.InteropServices;
using System.Runtime.Versioning;
namespace Ryujinx.UI.Common.Helper
{
public static partial class FileAssociationHelper
{
private static readonly string[] _fileExtensions = { ".nca", ".nro", ".nso", ".nsp", ".xci" };
[SupportedOSPlatform("linux")]
private static readonly string _mimeDbPath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.UserProfile), ".local", "share", "mime");
private const int SHCNE_ASSOCCHANGED = 0x8000000;
private const int SHCNF_FLUSH = 0x1000;
[LibraryImport("shell32.dll", SetLastError = true)]
public static partial void SHChangeNotify(uint wEventId, uint uFlags, IntPtr dwItem1, IntPtr dwItem2);
public static bool IsTypeAssociationSupported => (OperatingSystem.IsLinux() || OperatingSystem.IsWindows()) && !ReleaseInformation.IsFlatHubBuild;
[SupportedOSPlatform("linux")]
private static bool AreMimeTypesRegisteredLinux() => File.Exists(Path.Combine(_mimeDbPath, "packages", "Ryujinx.xml"));
[SupportedOSPlatform("linux")]
private static bool InstallLinuxMimeTypes(bool uninstall = false)
{
string installKeyword = uninstall ? "uninstall" : "install";
if ((uninstall && AreMimeTypesRegisteredLinux()) || (!uninstall && !AreMimeTypesRegisteredLinux()))
{
string mimeTypesFile = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "mime", "Ryujinx.xml");
string additionalArgs = !uninstall ? "--novendor" : "";
using Process mimeProcess = new();
mimeProcess.StartInfo.FileName = "xdg-mime";
mimeProcess.StartInfo.Arguments = $"{installKeyword} {additionalArgs} --mode user {mimeTypesFile}";
mimeProcess.Start();
mimeProcess.WaitForExit();
if (mimeProcess.ExitCode != 0)
{
Logger.Error?.PrintMsg(LogClass.Application, $"Unable to {installKeyword} mime types. Make sure xdg-utils is installed. Process exited with code: {mimeProcess.ExitCode}");
return false;
}
using Process updateMimeProcess = new();
updateMimeProcess.StartInfo.FileName = "update-mime-database";
updateMimeProcess.StartInfo.Arguments = _mimeDbPath;
updateMimeProcess.Start();
updateMimeProcess.WaitForExit();
if (updateMimeProcess.ExitCode != 0)
{
Logger.Error?.PrintMsg(LogClass.Application, $"Could not update local mime database. Process exited with code: {updateMimeProcess.ExitCode}");
}
}
return true;
}
[SupportedOSPlatform("windows")]
private static bool AreMimeTypesRegisteredWindows()
{
static bool CheckRegistering(string ext)
{
RegistryKey key = Registry.CurrentUser.OpenSubKey(@$"Software\Classes\{ext}");
if (key is null)
{
return false;
}
var openCmd = key.OpenSubKey(@"shell\open\command");
string keyValue = (string)openCmd.GetValue("");
return keyValue is not null && (keyValue.Contains("Ryujinx") || keyValue.Contains(AppDomain.CurrentDomain.FriendlyName));
}
bool registered = false;
foreach (string ext in _fileExtensions)
{
registered |= CheckRegistering(ext);
}
return registered;
}
[SupportedOSPlatform("windows")]
private static bool InstallWindowsMimeTypes(bool uninstall = false)
{
static bool RegisterExtension(string ext, bool uninstall = false)
{
string keyString = @$"Software\Classes\{ext}";
if (uninstall)
{
// If the types don't already exist, there's nothing to do and we can call this operation successful.
if (!AreMimeTypesRegisteredWindows())
{
return true;
}
Logger.Debug?.Print(LogClass.Application, $"Removing type association {ext}");
Registry.CurrentUser.DeleteSubKeyTree(keyString);
Logger.Debug?.Print(LogClass.Application, $"Removed type association {ext}");
}
else
{
using var key = Registry.CurrentUser.CreateSubKey(keyString);
if (key is null)
{
return false;
}
Logger.Debug?.Print(LogClass.Application, $"Adding type association {ext}");
using var openCmd = key.CreateSubKey(@"shell\open\command");
openCmd.SetValue("", $"\"{Environment.ProcessPath}\" \"%1\"");
Logger.Debug?.Print(LogClass.Application, $"Added type association {ext}");
}
return true;
}
bool registered = false;
foreach (string ext in _fileExtensions)
{
registered |= RegisterExtension(ext, uninstall);
}
// Notify Explorer the file association has been changed.
SHChangeNotify(SHCNE_ASSOCCHANGED, SHCNF_FLUSH, IntPtr.Zero, IntPtr.Zero);
return registered;
}
public static bool AreMimeTypesRegistered()
{
if (OperatingSystem.IsLinux())
{
return AreMimeTypesRegisteredLinux();
}
if (OperatingSystem.IsWindows())
{
return AreMimeTypesRegisteredWindows();
}
// TODO: Add macOS support.
return false;
}
public static bool Install()
{
if (OperatingSystem.IsLinux())
{
return InstallLinuxMimeTypes();
}
if (OperatingSystem.IsWindows())
{
return InstallWindowsMimeTypes();
}
// TODO: Add macOS support.
return false;
}
public static bool Uninstall()
{
if (OperatingSystem.IsLinux())
{
return InstallLinuxMimeTypes(true);
}
if (OperatingSystem.IsWindows())
{
return InstallWindowsMimeTypes(true);
}
// TODO: Add macOS support.
return false;
}
}
}
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