2 * Copyright (C) 2010 Robert Ancell.
3 * Author: Robert Ancell <robert.ancell@canonical.com>
5 * This library is free software; you can redistribute it and/or modify it under
6 * the terms of the GNU Lesser General Public License as published by the Free
7 * Software Foundation; either version 2 or version 3 of the License.
8 * See http://www.gnu.org/copyleft/lgpl.html the full text of the license.
12 #include <gio/gdesktopappinfo.h>
14 #include "configuration.h"
15 #include "lightdm/session.h"
30 } LightDMSessionPrivate;
32 G_DEFINE_TYPE (LightDMSession, lightdm_session, G_TYPE_OBJECT);
34 #define GET_PRIVATE(obj) G_TYPE_INSTANCE_GET_PRIVATE ((obj), LIGHTDM_TYPE_SESSION, LightDMSessionPrivate)
36 static gboolean have_sessions = FALSE;
37 static GList *local_sessions = NULL;
38 static GList *remote_sessions = NULL;
41 compare_session (gconstpointer a, gconstpointer b)
43 LightDMSessionPrivate *priv_a = GET_PRIVATE (a);
44 LightDMSessionPrivate *priv_b = GET_PRIVATE (b);
45 return strcmp (priv_a->name, priv_b->name);
48 static LightDMSession *
49 load_session (GKeyFile *key_file, const gchar *key, const gchar *default_type)
51 gchar *domain, *name, *type;
52 LightDMSession *session;
53 LightDMSessionPrivate *priv;
56 if (g_key_file_get_boolean (key_file, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_NO_DISPLAY, NULL) ||
57 g_key_file_get_boolean (key_file, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_HIDDEN, NULL))
60 #ifdef G_KEY_FILE_DESKTOP_KEY_GETTEXT_DOMAIN
61 domain = g_key_file_get_string (key_file, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_GETTEXT_DOMAIN, NULL);
63 domain = g_key_file_get_string (key_file, G_KEY_FILE_DESKTOP_GROUP, "X-GNOME-Gettext-Domain", NULL);
65 name = g_key_file_get_locale_string (key_file, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_NAME, domain, NULL);
68 g_warning ("Ignoring session without name");
73 try_exec = g_key_file_get_locale_string (key_file, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_TRY_EXEC, domain, NULL);
78 full_path = g_find_program_in_path (try_exec);
90 type = g_key_file_get_string (key_file, G_KEY_FILE_DESKTOP_GROUP, "X-LightDM-Session-Type", NULL);
92 type = strdup (default_type);
94 session = g_object_new (LIGHTDM_TYPE_SESSION, NULL);
95 priv = GET_PRIVATE (session);
98 priv->key = g_strdup (key);
106 g_free (priv->comment);
107 priv->comment = g_key_file_get_locale_string (key_file, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_COMMENT, domain, NULL);
109 priv->comment = g_strdup ("");
117 load_sessions_dir (GList *sessions, const gchar *sessions_dir, const gchar *default_type)
120 GError *error = NULL;
122 directory = g_dir_open (sessions_dir, 0, &error);
123 if (error && !g_error_matches (error, G_FILE_ERROR, G_FILE_ERROR_NOENT))
124 g_warning ("Failed to open sessions directory: %s", error->message);
125 g_clear_error (&error);
131 const gchar *filename;
136 filename = g_dir_read_name (directory);
137 if (filename == NULL)
140 if (!g_str_has_suffix (filename, ".desktop"))
143 path = g_build_filename (sessions_dir, filename, NULL);
145 key_file = g_key_file_new ();
146 result = g_key_file_load_from_file (key_file, path, G_KEY_FILE_NONE, &error);
148 g_warning ("Failed to load session file %s: %s:", path, error->message);
149 g_clear_error (&error);
154 LightDMSession *session;
156 key = g_strndup (filename, strlen (filename) - strlen (".desktop"));
157 session = load_session (key_file, key, default_type);
160 g_debug ("Loaded session %s (%s, %s)", path, GET_PRIVATE (session)->name, GET_PRIVATE (session)->comment);
161 sessions = g_list_insert_sorted (sessions, session, compare_session);
164 g_debug ("Ignoring session %s", path);
169 g_key_file_free (key_file);
172 g_dir_close (directory);
178 load_sessions (const gchar *sessions_dir)
180 GList *sessions = NULL;
184 dirs = g_strsplit (sessions_dir, ":", -1);
185 for (i = 0; dirs[i]; i++)
187 const gchar *default_type = "x";
189 if (strcmp (dirs[i], WAYLAND_SESSIONS_DIR) == 0)
190 default_type = "wayland";
192 sessions = load_sessions_dir (sessions, dirs[i], default_type);
201 update_sessions (void)
204 gchar *remote_sessions_dir;
210 sessions_dir = g_strdup (SESSIONS_DIR);
211 remote_sessions_dir = g_strdup (REMOTE_SESSIONS_DIR);
213 /* Use session directory from configuration */
214 config_load_from_standard_locations (config_get_instance (), NULL, NULL);
216 value = config_get_string (config_get_instance (), "LightDM", "sessions-directory");
219 g_free (sessions_dir);
220 sessions_dir = value;
223 value = config_get_string (config_get_instance (), "LightDM", "remote-sessions-directory");
226 g_free (remote_sessions_dir);
227 remote_sessions_dir = value;
230 local_sessions = load_sessions (sessions_dir);
231 remote_sessions = load_sessions (remote_sessions_dir);
233 g_free (sessions_dir);
234 g_free (remote_sessions_dir);
236 have_sessions = TRUE;
240 * lightdm_get_sessions:
242 * Get the available sessions.
244 * Return value: (element-type LightDMSession) (transfer none): A list of #LightDMSession
247 lightdm_get_sessions (void)
250 return local_sessions;
254 * lightdm_get_remote_sessions:
256 * Get the available remote sessions.
258 * Return value: (element-type LightDMSession) (transfer none): A list of #LightDMSession
261 lightdm_get_remote_sessions (void)
264 return remote_sessions;
268 * lightdm_session_get_key:
269 * @session: A #LightDMSession
271 * Get the key for a session
273 * Return value: The session key
276 lightdm_session_get_key (LightDMSession *session)
278 g_return_val_if_fail (LIGHTDM_IS_SESSION (session), NULL);
279 return GET_PRIVATE (session)->key;
283 * lightdm_session_get_session_type:
284 * @session: A #LightDMSession
286 * Get the type a session
288 * Return value: The session type, e.g. x or mir
291 lightdm_session_get_session_type (LightDMSession *session)
293 g_return_val_if_fail (LIGHTDM_IS_SESSION (session), NULL);
294 return GET_PRIVATE (session)->type;
298 * lightdm_session_get_name:
299 * @session: A #LightDMSession
301 * Get the name for a session
303 * Return value: The session name
306 lightdm_session_get_name (LightDMSession *session)
308 g_return_val_if_fail (LIGHTDM_IS_SESSION (session), NULL);
309 return GET_PRIVATE (session)->name;
313 * lightdm_session_get_comment:
314 * @session: A #LightDMSession
316 * Get the comment for a session
318 * Return value: The session comment
321 lightdm_session_get_comment (LightDMSession *session)
323 g_return_val_if_fail (LIGHTDM_IS_SESSION (session), NULL);
324 return GET_PRIVATE (session)->comment;
328 lightdm_session_init (LightDMSession *session)
333 lightdm_session_set_property (GObject *object,
338 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
342 lightdm_session_get_property (GObject *object,
347 LightDMSession *self;
349 self = LIGHTDM_SESSION (object);
353 g_value_set_string (value, lightdm_session_get_key (self));
356 g_value_set_string (value, lightdm_session_get_name (self));
359 g_value_set_string (value, lightdm_session_get_comment (self));
362 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
368 lightdm_session_finalize (GObject *object)
370 LightDMSession *self = LIGHTDM_SESSION (object);
371 LightDMSessionPrivate *priv = GET_PRIVATE (self);
376 g_free (priv->comment);
380 lightdm_session_class_init (LightDMSessionClass *klass)
382 GObjectClass *object_class = G_OBJECT_CLASS (klass);
384 g_type_class_add_private (klass, sizeof (LightDMSessionPrivate));
386 object_class->set_property = lightdm_session_set_property;
387 object_class->get_property = lightdm_session_get_property;
388 object_class->finalize = lightdm_session_finalize;
390 g_object_class_install_property (object_class,
392 g_param_spec_string ("key",
397 g_object_class_install_property (object_class,
399 g_param_spec_string ("name",
404 g_object_class_install_property (object_class,
406 g_param_spec_string ("comment",