diff options
Diffstat (limited to 'daemon/gdm-session-settings.c')
| -rw-r--r-- | daemon/gdm-session-settings.c | 361 |
1 files changed, 361 insertions, 0 deletions
diff --git a/daemon/gdm-session-settings.c b/daemon/gdm-session-settings.c new file mode 100644 index 0000000..484a3b5 --- /dev/null +++ b/daemon/gdm-session-settings.c @@ -0,0 +1,361 @@ +/* gdm-session-settings.c - Loads session and language from ~/.dmrc + * + * Copyright (C) 2008 Red Hat, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301, USA. + * + * Written by: Ray Strode <rstrode@redhat.com> + */ +#include "config.h" +#include "gdm-session-settings.h" + +#include <errno.h> +#include <pwd.h> +#include <string.h> +#include <sys/types.h> +#include <unistd.h> + +#include <glib.h> +#include <glib-object.h> +#include <glib/gi18n.h> + +#include <act/act-user-manager.h> + +struct _GdmSessionSettingsPrivate +{ + ActUserManager *user_manager; + ActUser *user; + char *session_name; + char *language_name; +}; + +static void gdm_session_settings_finalize (GObject *object); +static void gdm_session_settings_class_install_properties (GdmSessionSettingsClass * + settings_class); + +static void gdm_session_settings_set_property (GObject *object, + guint prop_id, + const GValue *value, + GParamSpec *pspec); +static void gdm_session_settings_get_property (GObject *object, + guint prop_id, + GValue *value, + GParamSpec *pspec); + +enum { + PROP_0 = 0, + PROP_SESSION_NAME, + PROP_LANGUAGE_NAME, + PROP_IS_LOADED +}; + +G_DEFINE_TYPE_WITH_PRIVATE (GdmSessionSettings, + gdm_session_settings, + G_TYPE_OBJECT) + +static void +gdm_session_settings_class_init (GdmSessionSettingsClass *settings_class) +{ + GObjectClass *object_class; + + object_class = G_OBJECT_CLASS (settings_class); + + object_class->finalize = gdm_session_settings_finalize; + + gdm_session_settings_class_install_properties (settings_class); +} + +static void +gdm_session_settings_class_install_properties (GdmSessionSettingsClass *settings_class) +{ + GObjectClass *object_class; + GParamSpec *param_spec; + + object_class = G_OBJECT_CLASS (settings_class); + object_class->set_property = gdm_session_settings_set_property; + object_class->get_property = gdm_session_settings_get_property; + + param_spec = g_param_spec_string ("session-name", "Session Name", + "The name of the session", + NULL, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); + g_object_class_install_property (object_class, PROP_SESSION_NAME, param_spec); + + param_spec = g_param_spec_string ("language-name", "Language Name", + "The name of the language", + NULL, + G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS); + g_object_class_install_property (object_class, PROP_LANGUAGE_NAME, param_spec); + + param_spec = g_param_spec_boolean ("is-loaded", NULL, NULL, + FALSE, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); + g_object_class_install_property (object_class, PROP_IS_LOADED, param_spec); +} + +static void +gdm_session_settings_init (GdmSessionSettings *settings) +{ + settings->priv = G_TYPE_INSTANCE_GET_PRIVATE (settings, + GDM_TYPE_SESSION_SETTINGS, + GdmSessionSettingsPrivate); + + settings->priv->user_manager = act_user_manager_get_default (); + +} + +static void +gdm_session_settings_finalize (GObject *object) +{ + GdmSessionSettings *settings; + GObjectClass *parent_class; + + settings = GDM_SESSION_SETTINGS (object); + + if (settings->priv->user != NULL) { + g_object_unref (settings->priv->user); + } + + g_free (settings->priv->session_name); + g_free (settings->priv->language_name); + + parent_class = G_OBJECT_CLASS (gdm_session_settings_parent_class); + + if (parent_class->finalize != NULL) { + parent_class->finalize (object); + } +} + +void +gdm_session_settings_set_language_name (GdmSessionSettings *settings, + const char *language_name) +{ + g_return_if_fail (GDM_IS_SESSION_SETTINGS (settings)); + + if (settings->priv->language_name == NULL || + strcmp (settings->priv->language_name, language_name) != 0) { + settings->priv->language_name = g_strdup (language_name); + g_object_notify (G_OBJECT (settings), "language-name"); + } +} + +void +gdm_session_settings_set_session_name (GdmSessionSettings *settings, + const char *session_name) +{ + g_return_if_fail (GDM_IS_SESSION_SETTINGS (settings)); + + if (settings->priv->session_name == NULL || + strcmp (settings->priv->session_name, session_name) != 0) { + settings->priv->session_name = g_strdup (session_name); + g_object_notify (G_OBJECT (settings), "session-name"); + } +} + +char * +gdm_session_settings_get_language_name (GdmSessionSettings *settings) +{ + g_return_val_if_fail (GDM_IS_SESSION_SETTINGS (settings), NULL); + return g_strdup (settings->priv->language_name); +} + +char * +gdm_session_settings_get_session_name (GdmSessionSettings *settings) +{ + g_return_val_if_fail (GDM_IS_SESSION_SETTINGS (settings), NULL); + return g_strdup (settings->priv->session_name); +} + +static void +gdm_session_settings_set_property (GObject *object, + guint prop_id, + const GValue *value, + GParamSpec *pspec) +{ + GdmSessionSettings *settings; + + settings = GDM_SESSION_SETTINGS (object); + + switch (prop_id) { + case PROP_LANGUAGE_NAME: + gdm_session_settings_set_language_name (settings, g_value_get_string (value)); + break; + + case PROP_SESSION_NAME: + gdm_session_settings_set_session_name (settings, g_value_get_string (value)); + break; + + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + } +} + +static void +gdm_session_settings_get_property (GObject *object, + guint prop_id, + GValue *value, + GParamSpec *pspec) +{ + GdmSessionSettings *settings; + + settings = GDM_SESSION_SETTINGS (object); + + switch (prop_id) { + case PROP_SESSION_NAME: + g_value_set_string (value, settings->priv->session_name); + break; + + case PROP_LANGUAGE_NAME: + g_value_set_string (value, settings->priv->language_name); + break; + + case PROP_IS_LOADED: + g_value_set_boolean (value, gdm_session_settings_is_loaded (settings)); + break; + + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + } +} + +GdmSessionSettings * +gdm_session_settings_new (void) +{ + GdmSessionSettings *settings; + + settings = g_object_new (GDM_TYPE_SESSION_SETTINGS, + NULL); + + return settings; +} + +gboolean +gdm_session_settings_is_loaded (GdmSessionSettings *settings) +{ + if (settings->priv->user == NULL) { + return FALSE; + } + + return act_user_is_loaded (settings->priv->user); +} + +static void +load_settings_from_user (GdmSessionSettings *settings) +{ + const char *session_name; + const char *language_name; + + if (!act_user_is_loaded (settings->priv->user)) { + g_warning ("GdmSessionSettings: trying to load user settings from unloaded user"); + return; + } + + session_name = act_user_get_x_session (settings->priv->user); + g_debug ("GdmSessionSettings: saved session is %s", session_name); + + if (session_name != NULL) { + gdm_session_settings_set_session_name (settings, session_name); + } + + language_name = act_user_get_language (settings->priv->user); + + g_debug ("GdmSessionSettings: saved language is %s", language_name); + if (language_name != NULL) { + gdm_session_settings_set_language_name (settings, language_name); + } + + g_object_notify (G_OBJECT (settings), "is-loaded"); +} + +static void +on_user_is_loaded_changed (ActUser *user, + GParamSpec *pspec, + GdmSessionSettings *settings) +{ + if (act_user_is_loaded (settings->priv->user)) { + load_settings_from_user (settings); + g_signal_handlers_disconnect_by_func (G_OBJECT (settings->priv->user), + G_CALLBACK (on_user_is_loaded_changed), + settings); + } +} + +gboolean +gdm_session_settings_load (GdmSessionSettings *settings, + const char *username) +{ + ActUser *old_user; + + g_return_val_if_fail (settings != NULL, FALSE); + g_return_val_if_fail (username != NULL, FALSE); + g_return_val_if_fail (!gdm_session_settings_is_loaded (settings), FALSE); + + if (settings->priv->user != NULL) { + old_user = settings->priv->user; + + g_signal_handlers_disconnect_by_func (G_OBJECT (settings->priv->user), + G_CALLBACK (on_user_is_loaded_changed), + settings); + } else { + old_user = NULL; + } + + settings->priv->user = act_user_manager_get_user (settings->priv->user_manager, + username); + + g_clear_object (&old_user); + + if (!act_user_is_loaded (settings->priv->user)) { + g_signal_connect (settings->priv->user, + "notify::is-loaded", + G_CALLBACK (on_user_is_loaded_changed), + settings); + return FALSE; + } + + load_settings_from_user (settings); + + return TRUE; +} + +gboolean +gdm_session_settings_save (GdmSessionSettings *settings, + const char *username) +{ + ActUser *user; + + g_return_val_if_fail (GDM_IS_SESSION_SETTINGS (settings), FALSE); + g_return_val_if_fail (username != NULL, FALSE); + g_return_val_if_fail (gdm_session_settings_is_loaded (settings), FALSE); + + user = act_user_manager_get_user (settings->priv->user_manager, + username); + + + if (!act_user_is_loaded (user)) { + g_object_unref (user); + return FALSE; + } + + if (settings->priv->session_name != NULL) { + act_user_set_x_session (user, settings->priv->session_name); + } + + if (settings->priv->language_name != NULL) { + act_user_set_language (user, settings->priv->language_name); + } + g_object_unref (user); + + return TRUE; +} |