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)
51 gchar *type, *domain, *name;
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 type = g_key_file_get_string (key_file, G_KEY_FILE_DESKTOP_GROUP, "X-LightDM-Session-Type", NULL);
64 #ifdef G_KEY_FILE_DESKTOP_KEY_GETTEXT_DOMAIN
65 domain = g_key_file_get_string (key_file, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_GETTEXT_DOMAIN, NULL);
67 domain = g_key_file_get_string (key_file, G_KEY_FILE_DESKTOP_GROUP, "X-GNOME-Gettext-Domain", NULL);
69 name = g_key_file_get_locale_string (key_file, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_NAME, domain, NULL);
72 g_warning ("Ignoring session without name");
77 try_exec = g_key_file_get_locale_string (key_file, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_TRY_EXEC, domain, NULL);
82 full_path = g_find_program_in_path (try_exec);
94 session = g_object_new (LIGHTDM_TYPE_SESSION, NULL);
95 priv = GET_PRIVATE (session);
98 priv->key = g_strdup (key);
101 priv->type = g_strdup (type);
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)
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);
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++)
186 sessions = load_sessions_dir (sessions, dirs[i]);
193 update_sessions (void)
196 gchar *remote_sessions_dir;
202 sessions_dir = g_strdup (SESSIONS_DIR);
203 remote_sessions_dir = g_strdup (REMOTE_SESSIONS_DIR);
205 /* Use session directory from configuration */
206 config_load_from_standard_locations (config_get_instance (), NULL, NULL);
208 value = config_get_string (config_get_instance (), "LightDM", "sessions-directory");
211 g_free (sessions_dir);
212 sessions_dir = value;
215 value = config_get_string (config_get_instance (), "LightDM", "remote-sessions-directory");
218 g_free (remote_sessions_dir);
219 remote_sessions_dir = value;
222 local_sessions = load_sessions (sessions_dir);
223 remote_sessions = load_sessions (remote_sessions_dir);
225 g_free (sessions_dir);
226 g_free (remote_sessions_dir);
228 have_sessions = TRUE;
232 * lightdm_get_sessions:
234 * Get the available sessions.
236 * Return value: (element-type LightDMSession) (transfer none): A list of #LightDMSession
239 lightdm_get_sessions (void)
242 return local_sessions;
246 * lightdm_get_remote_sessions:
248 * Get the available remote sessions.
250 * Return value: (element-type LightDMSession) (transfer none): A list of #LightDMSession
253 lightdm_get_remote_sessions (void)
256 return remote_sessions;
260 * lightdm_session_get_key:
261 * @session: A #LightDMSession
263 * Get the key for a session
265 * Return value: The session key
268 lightdm_session_get_key (LightDMSession *session)
270 g_return_val_if_fail (LIGHTDM_IS_SESSION (session), NULL);
271 return GET_PRIVATE (session)->key;
275 * lightdm_session_get_session_type:
276 * @session: A #LightDMSession
278 * Get the type a session
280 * Return value: The session type, e.g. x or mir
283 lightdm_session_get_session_type (LightDMSession *session)
285 g_return_val_if_fail (LIGHTDM_IS_SESSION (session), NULL);
286 return GET_PRIVATE (session)->type;
290 * lightdm_session_get_name:
291 * @session: A #LightDMSession
293 * Get the name for a session
295 * Return value: The session name
298 lightdm_session_get_name (LightDMSession *session)
300 g_return_val_if_fail (LIGHTDM_IS_SESSION (session), NULL);
301 return GET_PRIVATE (session)->name;
305 * lightdm_session_get_comment:
306 * @session: A #LightDMSession
308 * Get the comment for a session
310 * Return value: The session comment
313 lightdm_session_get_comment (LightDMSession *session)
315 g_return_val_if_fail (LIGHTDM_IS_SESSION (session), NULL);
316 return GET_PRIVATE (session)->comment;
320 lightdm_session_init (LightDMSession *session)
325 lightdm_session_set_property (GObject *object,
330 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
334 lightdm_session_get_property (GObject *object,
339 LightDMSession *self;
341 self = LIGHTDM_SESSION (object);
345 g_value_set_string (value, lightdm_session_get_key (self));
348 g_value_set_string (value, lightdm_session_get_name (self));
351 g_value_set_string (value, lightdm_session_get_comment (self));
354 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
360 lightdm_session_finalize (GObject *object)
362 LightDMSession *self = LIGHTDM_SESSION (object);
363 LightDMSessionPrivate *priv = GET_PRIVATE (self);
368 g_free (priv->comment);
372 lightdm_session_class_init (LightDMSessionClass *klass)
374 GObjectClass *object_class = G_OBJECT_CLASS (klass);
376 g_type_class_add_private (klass, sizeof (LightDMSessionPrivate));
378 object_class->set_property = lightdm_session_set_property;
379 object_class->get_property = lightdm_session_get_property;
380 object_class->finalize = lightdm_session_finalize;
382 g_object_class_install_property (object_class,
384 g_param_spec_string ("key",
389 g_object_class_install_property (object_class,
391 g_param_spec_string ("name",
396 g_object_class_install_property (object_class,
398 g_param_spec_string ("comment",