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"
28 } LightDMSessionPrivate;
30 G_DEFINE_TYPE (LightDMSession, lightdm_session, G_TYPE_OBJECT);
32 #define GET_PRIVATE(obj) G_TYPE_INSTANCE_GET_PRIVATE ((obj), LIGHTDM_TYPE_SESSION, LightDMSessionPrivate)
34 static gboolean have_sessions = FALSE;
35 static GList *local_sessions = NULL;
36 static GList *remote_sessions = NULL;
39 compare_session (gconstpointer a, gconstpointer b)
41 LightDMSessionPrivate *priv_a = GET_PRIVATE (a);
42 LightDMSessionPrivate *priv_b = GET_PRIVATE (b);
43 return strcmp (priv_a->name, priv_b->name);
46 static LightDMSession *
47 load_session (GKeyFile *key_file, const gchar *key)
50 LightDMSession *session;
51 LightDMSessionPrivate *priv;
54 if (g_key_file_get_boolean (key_file, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_NO_DISPLAY, NULL) ||
55 g_key_file_get_boolean (key_file, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_HIDDEN, NULL))
58 #ifdef G_KEY_FILE_DESKTOP_KEY_GETTEXT_DOMAIN
59 domain = g_key_file_get_string (key_file, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_GETTEXT_DOMAIN, NULL);
61 domain = g_key_file_get_string (key_file, G_KEY_FILE_DESKTOP_GROUP, "X-GNOME-Gettext-Domain", NULL);
63 name = g_key_file_get_locale_string (key_file, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_NAME, domain, NULL);
66 g_warning ("Ignoring session without name");
71 try_exec = g_key_file_get_locale_string (key_file, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_TRY_EXEC, domain, NULL);
76 full_path = g_find_program_in_path (try_exec);
88 session = g_object_new (LIGHTDM_TYPE_SESSION, NULL);
89 priv = GET_PRIVATE (session);
92 priv->key = g_strdup (key);
97 g_free (priv->comment);
98 priv->comment = g_key_file_get_locale_string (key_file, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_COMMENT, domain, NULL);
100 priv->comment = g_strdup ("");
108 load_sessions_dir (GList *sessions, const gchar *sessions_dir)
111 GError *error = NULL;
113 directory = g_dir_open (sessions_dir, 0, &error);
115 g_warning ("Failed to open sessions directory: %s", error->message);
116 g_clear_error (&error);
122 const gchar *filename;
127 filename = g_dir_read_name (directory);
128 if (filename == NULL)
131 if (!g_str_has_suffix (filename, ".desktop"))
134 path = g_build_filename (sessions_dir, filename, NULL);
136 key_file = g_key_file_new ();
137 result = g_key_file_load_from_file (key_file, path, G_KEY_FILE_NONE, &error);
139 g_warning ("Failed to load session file %s: %s:", path, error->message);
140 g_clear_error (&error);
145 LightDMSession *session;
147 key = g_strndup (filename, strlen (filename) - strlen (".desktop"));
148 session = load_session (key_file, key);
151 g_debug ("Loaded session %s (%s, %s)", path, GET_PRIVATE (session)->name, GET_PRIVATE (session)->comment);
152 sessions = g_list_insert_sorted (sessions, session, compare_session);
155 g_debug ("Ignoring session %s", path);
160 g_key_file_free (key_file);
163 g_dir_close (directory);
169 load_sessions (const gchar *sessions_dir)
171 GList *sessions = NULL;
175 dirs = g_strsplit (sessions_dir, ":", -1);
176 for (i = 0; dirs[i]; i++)
177 sessions = load_sessions_dir (sessions, dirs[i]);
184 update_sessions (void)
186 GKeyFile *config_key_file = NULL;
187 gchar *config_path = NULL;
189 gchar *remote_sessions_dir;
191 GError *error = NULL;
196 sessions_dir = g_strdup (SESSIONS_DIR);
197 remote_sessions_dir = g_strdup (REMOTE_SESSIONS_DIR);
199 /* Use session directory from configuration */
200 /* FIXME: This should be sent in the greeter connection */
201 config_path = g_build_filename (CONFIG_DIR, "lightdm.conf", NULL);
202 config_key_file = g_key_file_new ();
203 result = g_key_file_load_from_file (config_key_file, config_path, G_KEY_FILE_NONE, &error);
205 g_warning ("Failed to open configuration file: %s", error->message);
206 g_clear_error (&error);
211 value = g_key_file_get_string (config_key_file, "LightDM", "sessions-directory", NULL);
214 g_free (sessions_dir);
215 sessions_dir = value;
218 value = g_key_file_get_string (config_key_file, "LightDM", "remote-sessions-directory", NULL);
221 g_free (remote_sessions_dir);
222 remote_sessions_dir = value;
225 g_key_file_free (config_key_file);
226 g_free (config_path);
228 local_sessions = load_sessions (sessions_dir);
229 remote_sessions = load_sessions (remote_sessions_dir);
231 g_free (sessions_dir);
232 g_free (remote_sessions_dir);
234 have_sessions = TRUE;
238 * lightdm_get_sessions:
240 * Get the available sessions.
242 * Return value: (element-type LightDMSession) (transfer none): A list of #LightDMSession
245 lightdm_get_sessions (void)
248 return local_sessions;
252 * lightdm_get_remote_sessions:
254 * Get the available remote sessions.
256 * Return value: (element-type LightDMSession) (transfer none): A list of #LightDMSession
259 lightdm_get_remote_sessions (void)
262 return remote_sessions;
266 * lightdm_session_get_key:
267 * @session: A #LightDMSession
269 * Get the key for a session
271 * Return value: The session key
274 lightdm_session_get_key (LightDMSession *session)
276 g_return_val_if_fail (LIGHTDM_IS_SESSION (session), NULL);
277 return GET_PRIVATE (session)->key;
281 * lightdm_session_get_name:
282 * @session: A #LightDMSession
284 * Get the name for a session
286 * Return value: The session name
289 lightdm_session_get_name (LightDMSession *session)
291 g_return_val_if_fail (LIGHTDM_IS_SESSION (session), NULL);
292 return GET_PRIVATE (session)->name;
296 * lightdm_session_get_comment:
297 * @session: A #LightDMSession
299 * Get the comment for a session
301 * Return value: The session comment
304 lightdm_session_get_comment (LightDMSession *session)
306 g_return_val_if_fail (LIGHTDM_IS_SESSION (session), NULL);
307 return GET_PRIVATE (session)->comment;
311 lightdm_session_init (LightDMSession *session)
316 lightdm_session_set_property (GObject *object,
321 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
325 lightdm_session_get_property (GObject *object,
330 LightDMSession *self;
332 self = LIGHTDM_SESSION (object);
336 g_value_set_string (value, lightdm_session_get_key (self));
339 g_value_set_string (value, lightdm_session_get_name (self));
342 g_value_set_string (value, lightdm_session_get_comment (self));
345 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
351 lightdm_session_finalize (GObject *object)
353 LightDMSession *self = LIGHTDM_SESSION (object);
354 LightDMSessionPrivate *priv = GET_PRIVATE (self);
358 g_free (priv->comment);
362 lightdm_session_class_init (LightDMSessionClass *klass)
364 GObjectClass *object_class = G_OBJECT_CLASS (klass);
366 g_type_class_add_private (klass, sizeof (LightDMSessionPrivate));
368 object_class->set_property = lightdm_session_set_property;
369 object_class->get_property = lightdm_session_get_property;
370 object_class->finalize = lightdm_session_finalize;
372 g_object_class_install_property (object_class,
374 g_param_spec_string ("key",
379 g_object_class_install_property (object_class,
381 g_param_spec_string ("name",
386 g_object_class_install_property (object_class,
388 g_param_spec_string ("comment",