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/*
* xfconf
*
* Copyright (c) 2007 Brian Tarricone <bjt23@cornell.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; version 2 of the License ONLY.
*
* 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 Library 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.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#include <glib-object.h>
#include <dbus/dbus-glib.h>
#include "xfconf.h"
#include "xfconf-marshal.h"
#include "xfconf-private.h"
static guint xfconf_refcnt = 0;
static DBusGConnection *dbus_conn = NULL;
static DBusGProxy *dbus_proxy = NULL;
static DBusGProxy *gui_dbus_proxy = NULL;
static GHashTable *named_structs = NULL;
/* private api */
DBusGConnection *
_xfconf_get_dbus_g_connection()
{
if(!xfconf_refcnt) {
g_critical("xfconf_init() must be called before attempting to use libxfconf!");
return NULL;
}
return dbus_conn;
}
DBusGProxy *
_xfconf_get_dbus_g_proxy()
{
if(!xfconf_refcnt) {
g_critical("xfconf_init() must be called before attempting to use libxfconf!");
return NULL;
}
return dbus_proxy;
}
DBusGProxy *
_xfconf_get_gui_dbus_g_proxy()
{
if(!xfconf_refcnt) {
g_critical("xfconf_init() must be called before attempting to use libxfconf!");
return NULL;
}
return gui_dbus_proxy;
}
XfconfNamedStruct *
_xfconf_named_struct_lookup(const gchar *struct_name)
{
return g_hash_table_lookup(named_structs, struct_name);
}
static void
_xfconf_named_struct_free(XfconfNamedStruct *ns)
{
g_free(ns->member_types);
g_free(ns);
}
/* public api */
/**
* xfconf_init:
* @error: An error return.
*
* Initializes the Xfconf library. Can be called multiple times with no
* adverse effects.
*
* Returns: %TRUE if the library was initialized succesfully, %FALSE on
* error. If there is an error @error will be set.
**/
gboolean
xfconf_init(GError **error)
{
if(xfconf_refcnt) {
++xfconf_refcnt;
return TRUE;
}
g_type_init();
dbus_g_error_domain_register(XFCONF_ERROR, "org.xfce.Xfconf.Error",
XFCONF_TYPE_ERROR);
dbus_conn = dbus_g_bus_get(DBUS_BUS_SESSION, error);
if(!dbus_conn)
return FALSE;
dbus_proxy = dbus_g_proxy_new_for_name(dbus_conn,
"org.xfce.Xfconf",
"/org/xfce/Xfconf",
"org.xfce.Xfconf");
dbus_g_object_register_marshaller((GClosureMarshal)xfconf_marshal_VOID__STRING_STRING,
G_TYPE_NONE,
G_TYPE_STRING,
G_TYPE_STRING,
G_TYPE_INVALID);
dbus_g_proxy_add_signal(dbus_proxy, "PropertyChanged",
G_TYPE_STRING, G_TYPE_STRING,
G_TYPE_INVALID);
gui_dbus_proxy = dbus_g_proxy_new_for_name(dbus_conn,
"org.xfce.Xfconf",
"/org/xfce/Xfconf",
"org.xfce.Xfconf.GUI");
named_structs = g_hash_table_new_full(g_str_hash, g_str_equal,
(GDestroyNotify)g_free,
(GDestroyNotify)_xfconf_named_struct_free);
++xfconf_refcnt;
return TRUE;
}
/**
* xfconf_shutdown:
*
* Shuts down and frees any resources consumed by the Xfconf library.
* If xfconf_init() is called multiple times, xfconf_shutdown() must be
* called an equal number of times to shut down the library.
**/
void
xfconf_shutdown()
{
if(--xfconf_refcnt)
return;
g_hash_table_destroy(named_structs);
named_structs = NULL;
g_object_unref(G_OBJECT(dbus_proxy));
dbus_proxy = NULL;
g_object_unref(G_OBJECT(gui_dbus_proxy));
gui_dbus_proxy = NULL;
dbus_g_connection_unref(dbus_conn);
dbus_conn = NULL;
}
/**
* xfconf_named_struct_register:
* @struct_name: The unique name of the struct to register.
* @n_members: The number of data members in the struct.
* @member_types: An array of the #GType<!-- -->s of the struct members.
*
* Registers a named struct for use with xfconf_channel_get_named_struct()
* and xfconf_channel_set_named_struct().
**/
void
xfconf_named_struct_register(const gchar *struct_name,
guint n_members,
const GType *member_types)
{
XfconfNamedStruct *ns;
g_return_if_fail(struct_name && *struct_name && n_members && member_types
&& !g_hash_table_lookup(named_structs, struct_name));
ns = g_new(XfconfNamedStruct, 1);
ns->n_members = n_members;
ns->member_types = g_new(GType, n_members);
memcpy(ns->member_types, member_types, sizeof(GType) * n_members);
g_hash_table_insert(named_structs, g_strdup(struct_name), ns);
}
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