private static string GetDefaultFileManager()
{
if (PlatformUtilities.Platform.IsWindows)
return "explorer.exe";
const string fallbackFileManager = "xdg-open";
using (var xdgmime = new Process())
{
bool processError = false;
xdgmime.RunProcess("xdg-mime", "query default inode/directory", exception => {
processError = true;
});
if (processError)
{
Logger.WriteMinorEvent("Error executing 'xdg-mime query default inode/directory'");
return fallbackFileManager;
}
string desktopFile = xdgmime.StandardOutput.ReadToEnd().TrimEnd(' ', '\n', '\r');
xdgmime.WaitForExit();
if (string.IsNullOrEmpty(desktopFile))
{
Logger.WriteMinorEvent("Didn't find default value for mime type inode/directory");
return fallbackFileManager;
}
// Look in /usr/share/applications for .desktop file
var desktopFilename = Path.Combine(
Environment.GetFolderPath(Environment.SpecialFolder.CommonApplicationData),
"applications", desktopFile);
if (!File.Exists(desktopFilename))
{
// We didn't find the .desktop file yet, so check in ~/.local/share/applications
desktopFilename = Path.Combine(
Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData),
"applications", desktopFile);
}
if (!File.Exists(desktopFilename))
{
Logger.WriteMinorEvent("Can't find desktop file for {0}", desktopFile);
return fallbackFileManager;
}
using (var reader = File.OpenText(desktopFilename))
{
string line;
for (line = reader.ReadLine();
!line.StartsWith("Exec=", StringComparison.InvariantCultureIgnoreCase) && !reader.EndOfStream;
line = reader.ReadLine())
{
}
if (!line.StartsWith("Exec=", StringComparison.InvariantCultureIgnoreCase))
{
Logger.WriteMinorEvent("Can't find Exec line in {0}", desktopFile);
_defaultFileManager = string.Empty;
return _defaultFileManager;
}
var start = "Exec=".Length;
var argStart = line.IndexOf('%');
var cmdLine = argStart > 0 ? line.Substring(start, argStart - start) : line.Substring(start);
cmdLine = cmdLine.TrimEnd();
Logger.WriteMinorEvent("Detected default file manager as {0}", cmdLine);
return cmdLine;
}
}
}