diff options
Diffstat (limited to 'common/gdm-settings-backend.c')
| -rw-r--r-- | common/gdm-settings-backend.c | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/common/gdm-settings-backend.c b/common/gdm-settings-backend.c new file mode 100644 index 0000000..5ad3022 --- /dev/null +++ b/common/gdm-settings-backend.c @@ -0,0 +1,165 @@ +/* -*- 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-object.h> + +#include "gdm-settings-backend.h" + +enum { + VALUE_CHANGED, + LAST_SIGNAL +}; + +static guint signals [LAST_SIGNAL] = { 0, }; + +static void gdm_settings_backend_class_init (GdmSettingsBackendClass *klass); +static void gdm_settings_backend_init (GdmSettingsBackend *settings_backend); +static void gdm_settings_backend_finalize (GObject *object); + +G_DEFINE_ABSTRACT_TYPE (GdmSettingsBackend, gdm_settings_backend, G_TYPE_OBJECT) + +GQuark +gdm_settings_backend_error_quark (void) +{ + static GQuark ret = 0; + if (ret == 0) { + ret = g_quark_from_static_string ("gdm_settings_backend_error"); + } + + return ret; +} + +static gboolean +gdm_settings_backend_real_get_value (GdmSettingsBackend *settings_backend, + const char *key, + char **value, + GError **error) +{ + g_return_val_if_fail (GDM_IS_SETTINGS_BACKEND (settings_backend), FALSE); + + return FALSE; +} + +static gboolean +gdm_settings_backend_real_set_value (GdmSettingsBackend *settings_backend, + const char *key, + const char *value, + GError **error) +{ + g_return_val_if_fail (GDM_IS_SETTINGS_BACKEND (settings_backend), FALSE); + + return FALSE; +} + +gboolean +gdm_settings_backend_get_value (GdmSettingsBackend *settings_backend, + const char *key, + char **value, + GError **error) +{ + gboolean ret; + + g_return_val_if_fail (GDM_IS_SETTINGS_BACKEND (settings_backend), FALSE); + + g_object_ref (settings_backend); + ret = GDM_SETTINGS_BACKEND_GET_CLASS (settings_backend)->get_value (settings_backend, key, value, error); + g_object_unref (settings_backend); + + return ret; +} + +gboolean +gdm_settings_backend_set_value (GdmSettingsBackend *settings_backend, + const char *key, + const char *value, + GError **error) +{ + gboolean ret; + + g_return_val_if_fail (GDM_IS_SETTINGS_BACKEND (settings_backend), FALSE); + + g_object_ref (settings_backend); + ret = GDM_SETTINGS_BACKEND_GET_CLASS (settings_backend)->set_value (settings_backend, key, value, error); + g_object_unref (settings_backend); + + return ret; +} + +void +gdm_settings_backend_value_changed (GdmSettingsBackend *settings_backend, + const char *key, + const char *old_value, + const char *new_value) +{ + g_return_if_fail (GDM_IS_SETTINGS_BACKEND (settings_backend)); + + g_signal_emit (settings_backend, signals[VALUE_CHANGED], 0, key, old_value, new_value); +} + +static void +gdm_settings_backend_class_init (GdmSettingsBackendClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + + object_class->finalize = gdm_settings_backend_finalize; + + klass->get_value = gdm_settings_backend_real_get_value; + klass->set_value = gdm_settings_backend_real_set_value; + + signals [VALUE_CHANGED] = + g_signal_new ("value-changed", + G_TYPE_FROM_CLASS (object_class), + G_SIGNAL_RUN_LAST, + G_STRUCT_OFFSET (GdmSettingsBackendClass, value_changed), + NULL, + NULL, + g_cclosure_marshal_generic, + G_TYPE_NONE, + 3, + G_TYPE_STRING, + G_TYPE_STRING, + G_TYPE_STRING); +} + +static void +gdm_settings_backend_init (GdmSettingsBackend *settings_backend) +{ +} + +static void +gdm_settings_backend_finalize (GObject *object) +{ + g_return_if_fail (GDM_IS_SETTINGS_BACKEND (object)); + + G_OBJECT_CLASS (gdm_settings_backend_parent_class)->finalize (object); +} |