diff options
Diffstat (limited to 'common/gdm-settings-client.c')
| -rw-r--r-- | common/gdm-settings-client.c | 550 |
1 files changed, 0 insertions, 550 deletions
diff --git a/common/gdm-settings-client.c b/common/gdm-settings-client.c deleted file mode 100644 index 099304d1..00000000 --- a/common/gdm-settings-client.c +++ /dev/null @@ -1,550 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- - * - * Copyright (C) 2007 William Jon McCann <mccann@jhu.edu> - * - * 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 of the License, 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - * - */ - -#include "config.h" - -#include <stdlib.h> -#include <stdio.h> -#include <fcntl.h> -#include <unistd.h> -#include <string.h> -#include <signal.h> -#include <sys/stat.h> -#include <sys/types.h> - -#define DBUS_API_SUBJECT_TO_CHANGE -#include <dbus/dbus-glib.h> -#include <dbus/dbus-glib-lowlevel.h> - -#include <glib.h> -#include <glib/gi18n.h> -#include <glib/gstdio.h> -#include <glib-object.h> - -#include "gdm-settings-client.h" -#include "gdm-settings-utils.h" - -#define SETTINGS_DBUS_NAME "org.gnome.DisplayManager" -#define SETTINGS_DBUS_PATH "/org/gnome/DisplayManager/Settings" -#define SETTINGS_DBUS_INTERFACE "org.gnome.DisplayManager.Settings" - -static char *schemas_file = NULL; -static char *schemas_root = NULL; -static GHashTable *notifiers = NULL; -static GHashTable *schemas = NULL; -static DBusGProxy *settings_proxy = NULL; -static DBusGConnection *connection = NULL; -static guint32 id_serial = 0; - -typedef struct { - guint id; - char *root; - GdmSettingsClientNotifyFunc func; - gpointer user_data; - GFreeFunc destroy_notify; -} GdmSettingsClientNotify; - -static void -gdm_settings_client_notify_free (GdmSettingsClientNotify *notify) -{ - g_free (notify->root); - - if (notify->destroy_notify != NULL) { - notify->destroy_notify (notify->user_data); - } - - g_free (notify); -} - -static GdmSettingsEntry * -get_entry_for_key (const char *key) -{ - GdmSettingsEntry *entry; - - entry = g_hash_table_lookup (schemas, key); - - return entry; -} - -static gboolean -set_value (const char *key, - const char *value) -{ - GError *error; - gboolean res; - - /* FIXME: check cache */ - - g_debug ("Setting %s=%s", key, value); - error = NULL; - res = dbus_g_proxy_call (settings_proxy, - "SetValue", - &error, - G_TYPE_STRING, key, - G_TYPE_STRING, value, - G_TYPE_INVALID, - G_TYPE_INVALID); - if (! res) { - if (error != NULL) { - /*g_debug ("Failed to get value for %s: %s", key, error->message);*/ - g_error_free (error); - } else { - /*g_debug ("Failed to get value for %s", key);*/ - } - - return FALSE; - } - - return TRUE; -} - -static gboolean -get_value (const char *key, - char **value) -{ - GError *error; - char *str; - gboolean res; - - /* FIXME: check cache */ - - error = NULL; - res = dbus_g_proxy_call (settings_proxy, - "GetValue", - &error, - G_TYPE_STRING, key, - G_TYPE_INVALID, - G_TYPE_STRING, &str, - G_TYPE_INVALID); - if (! res) { - if (error != NULL) { - /*g_debug ("Failed to get value for %s: %s", key, error->message);*/ - g_error_free (error); - } else { - /*g_debug ("Failed to get value for %s", key);*/ - } - - return FALSE; - } - - if (value != NULL) { - *value = g_strdup (str); - } - - g_free (str); - - return TRUE; -} - -static void -assert_signature (GdmSettingsEntry *entry, - const char *signature) -{ - const char *sig; - - sig = gdm_settings_entry_get_signature (entry); - - g_assert (sig != NULL); - g_assert (signature != NULL); - g_assert (strcmp (signature, sig) == 0); -} - -static guint32 -get_next_serial (void) -{ - guint32 serial; - - serial = id_serial++; - - if ((gint32)id_serial < 0) { - id_serial = 1; - } - - return serial; -} - -guint -gdm_settings_client_notify_add (const char *root, - GdmSettingsClientNotifyFunc func, - gpointer user_data, - GFreeFunc destroy_notify) -{ - guint32 id; - GdmSettingsClientNotify *notify; - - id = get_next_serial (); - - notify = g_new0 (GdmSettingsClientNotify, 1); - notify->id = id; - notify->root = g_strdup (root); - notify->func = func; - notify->user_data = user_data; - notify->destroy_notify = destroy_notify; - - g_hash_table_insert (notifiers, GINT_TO_POINTER (id), notify); - - return id; -} - -void -gdm_settings_client_notify_remove (guint id) -{ - g_hash_table_remove (notifiers, GINT_TO_POINTER (id)); -} - -gboolean -gdm_settings_client_get_string (const char *key, - char **value) -{ - GdmSettingsEntry *entry; - gboolean ret; - gboolean res; - char *str; - - g_return_val_if_fail (key != NULL, FALSE); - - entry = get_entry_for_key (key); - g_assert (entry != NULL); - - assert_signature (entry, "s"); - - ret = FALSE; - - res = get_value (key, &str); - - if (! res) { - /* use the default */ - str = g_strdup (gdm_settings_entry_get_default_value (entry)); - } - - if (value != NULL) { - *value = g_strdup (str); - } - - g_free (str); - - return ret; -} - -gboolean -gdm_settings_client_get_locale_string (const char *key, - const char *locale, - char **value) -{ - char *candidate_key; - char *translated_value; - GError *error; - char **languages; - gboolean free_languages = FALSE; - int i; - gboolean ret; - - g_return_val_if_fail (key != NULL, FALSE); - - candidate_key = NULL; - translated_value = NULL; - error = NULL; - - if (locale != NULL) { - languages = g_new (char *, 2); - languages[0] = (char *)locale; - languages[1] = NULL; - - free_languages = TRUE; - } else { - languages = (char **) g_get_language_names (); - free_languages = FALSE; - } - - for (i = 0; languages[i]; i++) { - gboolean res; - - candidate_key = g_strdup_printf ("%s[%s]", key, languages[i]); - - res = get_value (candidate_key, &translated_value); - g_free (candidate_key); - - if (res) { - break; - } - - g_free (translated_value); - translated_value = NULL; - } - - /* Fallback to untranslated key - */ - if (translated_value == NULL) { - get_value (key, &translated_value); - } - - if (free_languages) { - g_strfreev (languages); - } - - if (translated_value != NULL) { - ret = TRUE; - if (value != NULL) { - *value = g_strdup (translated_value); - } - } else { - ret = FALSE; - } - - g_free (translated_value); - - return ret; -} - -gboolean -gdm_settings_client_get_boolean (const char *key, - gboolean *value) -{ - GdmSettingsEntry *entry; - gboolean ret; - gboolean res; - char *str; - - g_return_val_if_fail (key != NULL, FALSE); - - entry = get_entry_for_key (key); - g_assert (entry != NULL); - - assert_signature (entry, "b"); - - ret = FALSE; - - res = get_value (key, &str); - - if (! res) { - /* use the default */ - str = g_strdup (gdm_settings_entry_get_default_value (entry)); - } - - ret = gdm_settings_parse_value_as_boolean (str, value); - - g_free (str); - - return ret; -} - -gboolean -gdm_settings_client_get_int (const char *key, - int *value) -{ - GdmSettingsEntry *entry; - gboolean ret; - gboolean res; - char *str; - - g_return_val_if_fail (key != NULL, FALSE); - - entry = get_entry_for_key (key); - g_assert (entry != NULL); - - assert_signature (entry, "i"); - - ret = FALSE; - - res = get_value (key, &str); - - if (! res) { - /* use the default */ - str = g_strdup (gdm_settings_entry_get_default_value (entry)); - } - - ret = gdm_settings_parse_value_as_integer (str, value); - - g_free (str); - - return ret; -} - -gboolean -gdm_settings_client_set_int (const char *key, - int value) -{ - GdmSettingsEntry *entry; - gboolean res; - char *str; - - g_return_val_if_fail (key != NULL, FALSE); - - entry = get_entry_for_key (key); - g_assert (entry != NULL); - - assert_signature (entry, "i"); - - str = gdm_settings_parse_integer_as_value (value); - - res = set_value (key, str); - - g_free (str); - - return res; -} - -gboolean -gdm_settings_client_set_string (const char *key, - const char *value) -{ - GdmSettingsEntry *entry; - gboolean res; - - g_return_val_if_fail (key != NULL, FALSE); - - entry = get_entry_for_key (key); - g_assert (entry != NULL); - - assert_signature (entry, "s"); - - res = set_value (key, value); - - return res; -} - -gboolean -gdm_settings_client_set_boolean (const char *key, - gboolean value) -{ - GdmSettingsEntry *entry; - gboolean res; - char *str; - - g_return_val_if_fail (key != NULL, FALSE); - - entry = get_entry_for_key (key); - g_assert (entry != NULL); - - assert_signature (entry, "b"); - - str = gdm_settings_parse_boolean_as_value (value); - - res = set_value (key, str); - - g_free (str); - - return res; -} - -static void -hashify_list (GdmSettingsEntry *entry, - gpointer data) -{ - g_hash_table_insert (schemas, g_strdup (gdm_settings_entry_get_key (entry)), entry); -} - -static void -send_notification (gpointer key, - GdmSettingsClientNotify *notify, - GdmSettingsEntry *entry) -{ - /* get out if the key is not in the region of interest */ - if (! g_str_has_prefix (gdm_settings_entry_get_key (entry), notify->root)) { - return; - } - - notify->func (notify->id, entry, notify->user_data); -} - -static void -on_value_changed (DBusGProxy *proxy, - const char *key, - const char *old_value, - const char *new_value, - gpointer data) -{ - GdmSettingsEntry *entry; - - g_debug ("Value Changed key=%s old=%s new=%s", key, old_value, new_value); - - /* lookup entry */ - entry = get_entry_for_key (key); - - if (entry == NULL) { - return; - } - - gdm_settings_entry_set_value (entry, new_value); - - g_hash_table_foreach (notifiers, (GHFunc)send_notification, entry); -} - -gboolean -gdm_settings_client_init (const char *file, - const char *root) -{ - GError *error; - GSList *list; - - g_return_val_if_fail (file != NULL, FALSE); - g_return_val_if_fail (root != NULL, FALSE); - - g_assert (schemas == NULL); - - error = NULL; - connection = dbus_g_bus_get (DBUS_BUS_SYSTEM, &error); - if (connection == NULL) { - if (error != NULL) { - g_warning ("error getting system bus: %s", error->message); - g_error_free (error); - } - return FALSE; - } - - settings_proxy = dbus_g_proxy_new_for_name (connection, - SETTINGS_DBUS_NAME, - SETTINGS_DBUS_PATH, - SETTINGS_DBUS_INTERFACE); - if (settings_proxy == NULL) { - g_warning ("Unable to connect to settings server"); - return FALSE; - } - - list = NULL; - if (! gdm_settings_parse_schemas (file, root, &list)) { - g_warning ("Unable to parse schemas"); - return FALSE; - } - - notifiers = g_hash_table_new_full (g_direct_hash, g_direct_equal, NULL, (GDestroyNotify)gdm_settings_client_notify_free); - - schemas = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, (GDestroyNotify)gdm_settings_entry_free); - g_slist_foreach (list, (GFunc)hashify_list, NULL); - - schemas_file = g_strdup (file); - schemas_root = g_strdup (root); - - dbus_g_proxy_add_signal (settings_proxy, "ValueChanged", G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_INVALID); - dbus_g_proxy_connect_signal (settings_proxy, - "ValueChanged", - G_CALLBACK (on_value_changed), - NULL, - NULL); - - - return TRUE; -} - -void -gdm_settings_client_shutdown (void) -{ - -} |