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/* -*- 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>
#include <glib.h>
#include <glib/gi18n.h>
#include <glib-object.h>
#include "gdm-settings-backend.h"
#include "gdm-marshal.h"
#define GDM_SETTINGS_BACKEND_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GDM_TYPE_SETTINGS_BACKEND, GdmSettingsBackendPrivate))
struct GdmSettingsBackendPrivate
{
gpointer dummy;
};
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,
gdm_marshal_VOID__STRING_STRING_STRING,
G_TYPE_NONE,
3,
G_TYPE_STRING,
G_TYPE_STRING,
G_TYPE_STRING);
g_type_class_add_private (klass, sizeof (GdmSettingsBackendPrivate));
}
static void
gdm_settings_backend_init (GdmSettingsBackend *settings_backend)
{
settings_backend->priv = GDM_SETTINGS_BACKEND_GET_PRIVATE (settings_backend);
}
static void
gdm_settings_backend_finalize (GObject *object)
{
GdmSettingsBackend *settings_backend;
g_return_if_fail (object != NULL);
g_return_if_fail (GDM_IS_SETTINGS_BACKEND (object));
settings_backend = GDM_SETTINGS_BACKEND (object);
g_return_if_fail (settings_backend->priv != NULL);
G_OBJECT_CLASS (gdm_settings_backend_parent_class)->finalize (object);
}
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