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 (const gchar *sessions_dir)
111 GList *sessions = NULL;
112 GError *error = NULL;
114 directory = g_dir_open (sessions_dir, 0, &error);
116 g_warning ("Failed to open sessions directory: %s", error->message);
117 g_clear_error (&error);
123 const gchar *filename;
128 filename = g_dir_read_name (directory);
129 if (filename == NULL)
132 if (!g_str_has_suffix (filename, ".desktop"))
135 path = g_build_filename (sessions_dir, filename, NULL);
137 key_file = g_key_file_new ();
138 result = g_key_file_load_from_file (key_file, path, G_KEY_FILE_NONE, &error);
140 g_warning ("Failed to load session file %s: %s:", path, error->message);
141 g_clear_error (&error);
146 LightDMSession *session;
148 key = g_strndup (filename, strlen (filename) - strlen (".desktop"));
149 session = load_session (key_file, key);
152 g_debug ("Loaded session %s (%s, %s)", path, GET_PRIVATE (session)->name, GET_PRIVATE (session)->comment);
153 sessions = g_list_insert_sorted (sessions, session, compare_session);
156 g_debug ("Ignoring session %s", path);
161 g_key_file_free (key_file);
164 g_dir_close (directory);
170 update_sessions (void)
172 GKeyFile *config_key_file = NULL;
173 gchar *config_path = NULL;
174 gchar *xsessions_dir;
175 gchar *remote_sessions_dir;
177 GError *error = NULL;
182 xsessions_dir = g_strdup (XSESSIONS_DIR);
183 remote_sessions_dir = g_strdup (REMOTE_SESSIONS_DIR);
185 /* Use session directory from configuration */
186 /* FIXME: This should be sent in the greeter connection */
187 config_path = g_build_filename (CONFIG_DIR, "lightdm.conf", NULL);
188 config_key_file = g_key_file_new ();
189 result = g_key_file_load_from_file (config_key_file, config_path, G_KEY_FILE_NONE, &error);
191 g_warning ("Failed to open configuration file: %s", error->message);
192 g_clear_error (&error);
197 value = g_key_file_get_string (config_key_file, "LightDM", "xsessions-directory", NULL);
200 g_free (xsessions_dir);
201 xsessions_dir = value;
204 value = g_key_file_get_string (config_key_file, "LightDM", "remote-sessions-directory", NULL);
207 g_free (remote_sessions_dir);
208 remote_sessions_dir = value;
211 g_key_file_free (config_key_file);
212 g_free (config_path);
214 local_sessions = load_sessions (xsessions_dir);
215 remote_sessions = load_sessions (remote_sessions_dir);
217 g_free (xsessions_dir);
218 g_free (remote_sessions_dir);
220 have_sessions = TRUE;
224 * lightdm_get_sessions:
226 * Get the available sessions.
228 * Return value: (element-type LightDMSession) (transfer none): A list of #LightDMSession
231 lightdm_get_sessions (void)
234 return local_sessions;
238 * lightdm_get_remote_sessions:
240 * Get the available remote sessions.
242 * Return value: (element-type LightDMSession) (transfer none): A list of #LightDMSession
245 lightdm_get_remote_sessions (void)
248 return remote_sessions;
252 * lightdm_session_get_key:
253 * @session: A #LightDMSession
255 * Get the key for a session
257 * Return value: The session key
260 lightdm_session_get_key (LightDMSession *session)
262 g_return_val_if_fail (LIGHTDM_IS_SESSION (session), NULL);
263 return GET_PRIVATE (session)->key;
267 * lightdm_session_get_name:
268 * @session: A #LightDMSession
270 * Get the name for a session
272 * Return value: The session name
275 lightdm_session_get_name (LightDMSession *session)
277 g_return_val_if_fail (LIGHTDM_IS_SESSION (session), NULL);
278 return GET_PRIVATE (session)->name;
282 * lightdm_session_get_comment:
283 * @session: A #LightDMSession
285 * Get the comment for a session
287 * Return value: The session comment
290 lightdm_session_get_comment (LightDMSession *session)
292 g_return_val_if_fail (LIGHTDM_IS_SESSION (session), NULL);
293 return GET_PRIVATE (session)->comment;
297 lightdm_session_init (LightDMSession *session)
302 lightdm_session_set_property (GObject *object,
307 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
311 lightdm_session_get_property (GObject *object,
316 LightDMSession *self;
318 self = LIGHTDM_SESSION (object);
322 g_value_set_string (value, lightdm_session_get_key (self));
325 g_value_set_string (value, lightdm_session_get_name (self));
328 g_value_set_string (value, lightdm_session_get_comment (self));
331 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
337 lightdm_session_finalize (GObject *object)
339 LightDMSession *self = LIGHTDM_SESSION (object);
340 LightDMSessionPrivate *priv = GET_PRIVATE (self);
344 g_free (priv->comment);
348 lightdm_session_class_init (LightDMSessionClass *klass)
350 GObjectClass *object_class = G_OBJECT_CLASS (klass);
352 g_type_class_add_private (klass, sizeof (LightDMSessionPrivate));
354 object_class->set_property = lightdm_session_set_property;
355 object_class->get_property = lightdm_session_get_property;
356 object_class->finalize = lightdm_session_finalize;
358 g_object_class_install_property (object_class,
360 g_param_spec_string ("key",
365 g_object_class_install_property (object_class,
367 g_param_spec_string ("name",
372 g_object_class_install_property (object_class,
374 g_param_spec_string ("comment",