Adding upstream version 3.38.2.1.upstream/3.38.2.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 242 insertions, 0 deletions

diff --git a/common/gdm-settings.c b/common/gdm-settings.c
new file mode 100644
index 0000000..e6f46ec
--- /dev/null
+++ b/common/gdm-settings.c
@@ -0,0 +1,242 @@
+/* -*- 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 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>
+
+#include <glib.h>
+#include <glib/gi18n.h>
+#include <glib/gstdio.h>
+#include <glib-object.h>
+#include <gio/gio.h>
+
+#include "gdm-settings.h"
+
+#include "gdm-settings-desktop-backend.h"
+
+struct _GdmSettings
+{
+        GObject   parent;
+
+        GList    *backends;
+};
+
+enum {
+        VALUE_CHANGED,
+        LAST_SIGNAL
+};
+
+static guint signals [LAST_SIGNAL] = { 0, };
+
+static void     gdm_settings_class_init (GdmSettingsClass *klass);
+static void     gdm_settings_init       (GdmSettings      *settings);
+static void     gdm_settings_finalize   (GObject          *object);
+
+static gpointer settings_object = NULL;
+
+G_DEFINE_TYPE (GdmSettings, gdm_settings, G_TYPE_OBJECT)
+
+GQuark
+gdm_settings_error_quark (void)
+{
+        static GQuark ret = 0;
+        if (ret == 0) {
+                ret = g_quark_from_static_string ("gdm_settings_error");
+        }
+
+        return ret;
+}
+
+gboolean
+gdm_settings_get_value (GdmSettings *settings,
+                        const char  *key,
+                        char       **value,
+                        GError     **error)
+{
+        GError  *local_error;
+        gboolean res;
+        GList   *l;
+
+        g_return_val_if_fail (GDM_IS_SETTINGS (settings), FALSE);
+        g_return_val_if_fail (key != NULL, FALSE);
+
+        local_error = NULL;
+
+        for (l = settings->backends; l; l = g_list_next (l)) {
+                GdmSettingsBackend *backend = l->data;
+
+                if (local_error) {
+                        g_error_free (local_error);
+                        local_error = NULL;
+                }
+
+                res = gdm_settings_backend_get_value (backend,
+                                                      key,
+                                                      value,
+                                                      &local_error);
+                if (res)
+                        break;
+        }
+        if (! res) {
+                g_propagate_error (error, local_error);
+        }
+
+        return res;
+}
+
+gboolean
+gdm_settings_set_value (GdmSettings *settings,
+                        const char  *key,
+                        const char  *value,
+                        GError     **error)
+{
+        GError  *local_error;
+        gboolean res;
+        GList   *l;
+
+        g_return_val_if_fail (GDM_IS_SETTINGS (settings), FALSE);
+        g_return_val_if_fail (key != NULL, FALSE);
+
+        g_debug ("Setting value %s", key);
+
+        local_error = NULL;
+
+        for (l = settings->backends; l; l = g_list_next (l)) {
+                GdmSettingsBackend *backend = l->data;
+
+                if (local_error) {
+                        g_error_free (local_error);
+                        local_error = NULL;
+                }
+
+                res = gdm_settings_backend_set_value (backend,
+                                                      key,
+                                                      value,
+                                                      &local_error);
+                if (res)
+                        break;
+        }
+
+        if (! res) {
+                g_propagate_error (error, local_error);
+        }
+
+        return res;
+}
+
+static void
+gdm_settings_class_init (GdmSettingsClass *klass)
+{
+        GObjectClass   *object_class = G_OBJECT_CLASS (klass);
+
+        object_class->finalize = gdm_settings_finalize;
+
+        signals [VALUE_CHANGED] =
+                g_signal_new ("value-changed",
+                              G_TYPE_FROM_CLASS (object_class),
+                              G_SIGNAL_RUN_LAST,
+                              0,
+                              NULL,
+                              NULL,
+                              g_cclosure_marshal_generic,
+                              G_TYPE_NONE,
+                              3,
+                              G_TYPE_STRING,
+                              G_TYPE_STRING,
+                              G_TYPE_STRING);
+}
+
+static void
+backend_value_changed (GdmSettingsBackend *backend,
+                       const char         *key,
+                       const char         *old_value,
+                       const char         *new_value,
+                       GdmSettings        *settings)
+{
+        g_debug ("Emitting value-changed %s %s %s", key, old_value, new_value);
+
+        /* proxy it to internal listeners */
+        g_signal_emit (settings, signals [VALUE_CHANGED], 0, key, old_value, new_value);
+}
+
+static void
+gdm_settings_init (GdmSettings *settings)
+{
+        GList *l;
+        GdmSettingsBackend *backend;
+
+        backend = gdm_settings_desktop_backend_new (GDM_CUSTOM_CONF);
+        if (backend)
+                settings->backends = g_list_prepend (NULL, backend);
+
+        backend = gdm_settings_desktop_backend_new (GDM_RUNTIME_CONF);
+        if (backend)
+                settings->backends = g_list_prepend (settings->backends, backend);
+
+        for (l = settings->backends; l; l = g_list_next (l)) {
+                backend = l->data;
+
+                g_signal_connect (backend,
+                                  "value-changed",
+                                  G_CALLBACK (backend_value_changed),
+                                  settings);
+        }
+}
+
+static void
+gdm_settings_finalize (GObject *object)
+{
+        GdmSettings *settings;
+
+        g_return_if_fail (object != NULL);
+        g_return_if_fail (GDM_IS_SETTINGS (object));
+
+        settings = GDM_SETTINGS (object);
+
+        g_return_if_fail (settings != NULL);
+
+        g_list_foreach (settings->backends, (GFunc) g_object_unref, NULL);
+        g_list_free (settings->backends);
+        settings->backends = NULL;
+
+        settings_object = NULL;
+
+        G_OBJECT_CLASS (gdm_settings_parent_class)->finalize (object);
+}
+
+GdmSettings *
+gdm_settings_new (void)
+{
+        if (settings_object != NULL) {
+                g_object_ref (settings_object);
+        } else {
+                settings_object = g_object_new (GDM_TYPE_SETTINGS, NULL);
+        }
+
+        return GDM_SETTINGS (settings_object);
+}