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Diffstat (limited to 'src/arctica-greeter.vala')
| -rw-r--r-- | src/arctica-greeter.vala | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/src/arctica-greeter.vala b/src/arctica-greeter.vala index 9b5d279..eb42306 100644 --- a/src/arctica-greeter.vala +++ b/src/arctica-greeter.vala @@ -181,6 +181,52 @@ public class ArcticaGreeter ctx.add_class ("lightdm"); } + public static string? get_default_session () + { + var sessions = new List<string> (); + sessions.append ("lightdm-xsession"); + + // FIXME: this list should be obtained from AGSettings, ideally... + sessions.append ("mate"); + sessions.append ("xfce"); + sessions.append ("kde-plasma"); + sessions.append ("kde"); + sessions.append ("gnome"); + sessions.append ("cinnamon"); + + foreach (string session in sessions) { + var path = Path.build_filename ("/usr/share/xsessions/", session.concat(".desktop"), null); + if (FileUtils.test (path, FileTest.EXISTS)) { + return session; + } + } + + warning ("Could not find a default session."); + return null; + } + + public static string validate_session (string? session) + { + /* Make sure the given session actually exists. Return it if it does. + * otherwise, return the default session. + */ + if (session != null) { + var path = Path.build_filename ("/usr/share/xsessions/", session.concat(".desktop"), null); + if (!FileUtils.test (path, FileTest.EXISTS) ) { + debug ("Invalid session: '%s'", session); + session = null; + } + } + + if (session == null) { + var default_session = ArcticaGreeter.get_default_session (); + debug ("Invalid session: '%s'. Using session '%s' instead.", session, default_session); + return default_session; + } + + return session; + } + public bool start_session (string? session, Background bg) { /* Explicitly set the right scale before closing window */ |