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 "lightdm/session.h"
29 } LightDMSessionPrivate;
31 G_DEFINE_TYPE (LightDMSession, lightdm_session, G_TYPE_OBJECT);
33 #define GET_PRIVATE(obj) G_TYPE_INSTANCE_GET_PRIVATE ((obj), LIGHTDM_TYPE_SESSION, LightDMSessionPrivate)
35 static gboolean have_sessions = FALSE;
36 static GList *local_sessions = NULL;
37 static GList *remote_sessions = NULL;
40 compare_session (gconstpointer a, gconstpointer b)
42 LightDMSessionPrivate *priv_a = GET_PRIVATE (a);
43 LightDMSessionPrivate *priv_b = GET_PRIVATE (b);
44 return strcmp (priv_a->name, priv_b->name);
47 static LightDMSession *
48 load_session (GKeyFile *key_file, const gchar *key)
50 gchar *type, *domain, *name;
51 LightDMSession *session;
52 LightDMSessionPrivate *priv;
55 if (g_key_file_get_boolean (key_file, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_NO_DISPLAY, NULL) ||
56 g_key_file_get_boolean (key_file, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_HIDDEN, NULL))
59 type = g_key_file_get_string (key_file, G_KEY_FILE_DESKTOP_GROUP, "X-LightDM-Session-Type", NULL);
63 #ifdef G_KEY_FILE_DESKTOP_KEY_GETTEXT_DOMAIN
64 domain = g_key_file_get_string (key_file, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_GETTEXT_DOMAIN, NULL);
66 domain = g_key_file_get_string (key_file, G_KEY_FILE_DESKTOP_GROUP, "X-GNOME-Gettext-Domain", NULL);
68 name = g_key_file_get_locale_string (key_file, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_NAME, domain, NULL);
71 g_warning ("Ignoring session without name");
76 try_exec = g_key_file_get_locale_string (key_file, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_TRY_EXEC, domain, NULL);
81 full_path = g_find_program_in_path (try_exec);
93 session = g_object_new (LIGHTDM_TYPE_SESSION, NULL);
94 priv = GET_PRIVATE (session);
97 priv->key = g_strdup (key);
100 priv->type = g_strdup (type);
105 g_free (priv->comment);
106 priv->comment = g_key_file_get_locale_string (key_file, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_COMMENT, domain, NULL);
108 priv->comment = g_strdup ("");
116 load_sessions_dir (GList *sessions, const gchar *sessions_dir)
119 GError *error = NULL;
121 directory = g_dir_open (sessions_dir, 0, &error);
123 g_warning ("Failed to open sessions directory: %s", error->message);
124 g_clear_error (&error);
130 const gchar *filename;
135 filename = g_dir_read_name (directory);
136 if (filename == NULL)
139 if (!g_str_has_suffix (filename, ".desktop"))
142 path = g_build_filename (sessions_dir, filename, NULL);
144 key_file = g_key_file_new ();
145 result = g_key_file_load_from_file (key_file, path, G_KEY_FILE_NONE, &error);
147 g_warning ("Failed to load session file %s: %s:", path, error->message);
148 g_clear_error (&error);
153 LightDMSession *session;
155 key = g_strndup (filename, strlen (filename) - strlen (".desktop"));
156 session = load_session (key_file, key);
159 g_debug ("Loaded session %s (%s, %s)", path, GET_PRIVATE (session)->name, GET_PRIVATE (session)->comment);
160 sessions = g_list_insert_sorted (sessions, session, compare_session);
163 g_debug ("Ignoring session %s", path);
168 g_key_file_free (key_file);
171 g_dir_close (directory);
177 load_sessions (const gchar *sessions_dir)
179 GList *sessions = NULL;
183 dirs = g_strsplit (sessions_dir, ":", -1);
184 for (i = 0; dirs[i]; i++)
185 sessions = load_sessions_dir (sessions, dirs[i]);
192 update_sessions (void)
194 GKeyFile *config_key_file = NULL;
195 gchar *config_path = NULL;
197 gchar *remote_sessions_dir;
199 GError *error = NULL;
204 sessions_dir = g_strdup (SESSIONS_DIR);
205 remote_sessions_dir = g_strdup (REMOTE_SESSIONS_DIR);
207 /* Use session directory from configuration */
208 /* FIXME: This should be sent in the greeter connection */
209 config_path = g_build_filename (CONFIG_DIR, "lightdm.conf", NULL);
210 config_key_file = g_key_file_new ();
211 result = g_key_file_load_from_file (config_key_file, config_path, G_KEY_FILE_NONE, &error);
213 g_warning ("Failed to open configuration file: %s", error->message);
214 g_clear_error (&error);
219 value = g_key_file_get_string (config_key_file, "LightDM", "sessions-directory", NULL);
222 g_free (sessions_dir);
223 sessions_dir = value;
226 value = g_key_file_get_string (config_key_file, "LightDM", "remote-sessions-directory", NULL);
229 g_free (remote_sessions_dir);
230 remote_sessions_dir = value;
233 g_key_file_free (config_key_file);
234 g_free (config_path);
236 local_sessions = load_sessions (sessions_dir);
237 remote_sessions = load_sessions (remote_sessions_dir);
239 g_free (sessions_dir);
240 g_free (remote_sessions_dir);
242 have_sessions = TRUE;
246 * lightdm_get_sessions:
248 * Get the available sessions.
250 * Return value: (element-type LightDMSession) (transfer none): A list of #LightDMSession
253 lightdm_get_sessions (void)
256 return local_sessions;
260 * lightdm_get_remote_sessions:
262 * Get the available remote sessions.
264 * Return value: (element-type LightDMSession) (transfer none): A list of #LightDMSession
267 lightdm_get_remote_sessions (void)
270 return remote_sessions;
274 * lightdm_session_get_key:
275 * @session: A #LightDMSession
277 * Get the key for a session
279 * Return value: The session key
282 lightdm_session_get_key (LightDMSession *session)
284 g_return_val_if_fail (LIGHTDM_IS_SESSION (session), NULL);
285 return GET_PRIVATE (session)->key;
289 * lightdm_session_get_session_type:
290 * @session: A #LightDMSession
292 * Get the type a session
294 * Return value: The session type, e.g. x or mir
297 lightdm_session_get_session_type (LightDMSession *session)
299 g_return_val_if_fail (LIGHTDM_IS_SESSION (session), NULL);
300 return GET_PRIVATE (session)->type;
304 * lightdm_session_get_name:
305 * @session: A #LightDMSession
307 * Get the name for a session
309 * Return value: The session name
312 lightdm_session_get_name (LightDMSession *session)
314 g_return_val_if_fail (LIGHTDM_IS_SESSION (session), NULL);
315 return GET_PRIVATE (session)->name;
319 * lightdm_session_get_comment:
320 * @session: A #LightDMSession
322 * Get the comment for a session
324 * Return value: The session comment
327 lightdm_session_get_comment (LightDMSession *session)
329 g_return_val_if_fail (LIGHTDM_IS_SESSION (session), NULL);
330 return GET_PRIVATE (session)->comment;
334 lightdm_session_init (LightDMSession *session)
339 lightdm_session_set_property (GObject *object,
344 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
348 lightdm_session_get_property (GObject *object,
353 LightDMSession *self;
355 self = LIGHTDM_SESSION (object);
359 g_value_set_string (value, lightdm_session_get_key (self));
362 g_value_set_string (value, lightdm_session_get_name (self));
365 g_value_set_string (value, lightdm_session_get_comment (self));
368 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
374 lightdm_session_finalize (GObject *object)
376 LightDMSession *self = LIGHTDM_SESSION (object);
377 LightDMSessionPrivate *priv = GET_PRIVATE (self);
382 g_free (priv->comment);
386 lightdm_session_class_init (LightDMSessionClass *klass)
388 GObjectClass *object_class = G_OBJECT_CLASS (klass);
390 g_type_class_add_private (klass, sizeof (LightDMSessionPrivate));
392 object_class->set_property = lightdm_session_set_property;
393 object_class->get_property = lightdm_session_get_property;
394 object_class->finalize = lightdm_session_finalize;
396 g_object_class_install_property (object_class,
398 g_param_spec_string ("key",
403 g_object_class_install_property (object_class,
405 g_param_spec_string ("name",
410 g_object_class_install_property (object_class,
412 g_param_spec_string ("comment",