/* vim:set et sts=4: */
/* bus - The Input Bus
 * Copyright (C) 2008-2009 Huang Peng <shawn.p.huang@gmail.com>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */
#include <unistd.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <stdlib.h>

#include "server.h"
#include "connection.h"
#include "dbusimpl.h"
#include "ibusimpl.h"

/* functions prototype */
static void      bus_server_class_init  (BusServerClass     *klass);
static void      bus_server_init        (BusServer          *server);
static void      bus_server_destroy     (BusServer          *server);
static void      bus_server_new_connection
                                        (BusServer          *server,
                                         BusConnection      *connection);

static IBusObjectClass  *parent_class = NULL;

GType
bus_server_get_type (void)
{
    static GType type = 0;

    static const GTypeInfo type_info = {
        sizeof (BusServerClass),
        (GBaseInitFunc)     NULL,
        (GBaseFinalizeFunc) NULL,
        (GClassInitFunc)    bus_server_class_init,
        NULL,               /* class finalize */
        NULL,               /* class data */
        sizeof (BusServer),
        0,
        (GInstanceInitFunc) bus_server_init,
    };

    if (type == 0) {
        type = g_type_register_static (IBUS_TYPE_SERVER,
                    "BusServer",
                    &type_info,
                    (GTypeFlags)0);
    }

    return type;
}

BusServer *
bus_server_get_default (void)
{
    static BusServer *server = NULL;

    if (server == NULL) {
        server = (BusServer *) g_object_new (BUS_TYPE_SERVER,
                                             "connection-type", BUS_TYPE_CONNECTION,
                                             NULL);
        bus_dbus_impl_get_default ();
        bus_ibus_impl_get_default ();
    }
    return server;
}

gboolean
bus_server_listen (BusServer *server)
{
    g_assert (BUS_IS_SERVER (server));

    // const gchar *address = "unix:abstract=/tmp/ibus-c"
    const gchar *address;
    gchar *path;
    gboolean retval;

    path = g_strdup_printf("/tmp/ibus-%s", ibus_get_user_name ());
    mkdir (path, 0775);
    address = ibus_get_address ();

    retval = ibus_server_listen (IBUS_SERVER (server), address);

    if (!retval) {
        g_printerr ("Can not listen on %s! Please try remove directory %s and run again.", address, path);
        exit (-1);
    }

    g_free(path);
    return retval;
}

void
bus_server_run (BusServer *server)
{
    g_assert (BUS_IS_SERVER (server));

    g_main_loop_run (server->loop);
}

void
bus_server_quit (BusServer *server)
{
    g_assert (BUS_IS_SERVER (server));

    g_main_loop_quit (server->loop);
}

static void
bus_server_class_init (BusServerClass *klass)
{
    IBusObjectClass *ibus_object_class = IBUS_OBJECT_CLASS (klass);

    parent_class = (IBusObjectClass *) g_type_class_peek_parent (klass);

    ibus_object_class->destroy = (IBusObjectDestroyFunc) bus_server_destroy;

    IBUS_SERVER_CLASS (klass)->new_connection = (IBusNewConnectionFunc) bus_server_new_connection;
}

static void
bus_server_init (BusServer *server)
{
    server->loop = g_main_loop_new (NULL, FALSE);
    server->dbus = bus_dbus_impl_get_default ();
    server->ibus = bus_ibus_impl_get_default ();
}

static void
bus_server_new_connection (BusServer     *server,
                           BusConnection *connection)
{
    g_assert (BUS_IS_SERVER (server));
    bus_dbus_impl_new_connection (server->dbus, connection);
}

static void
bus_server_destroy (BusServer *server)
{
    g_assert (BUS_IS_SERVER (server));

    ibus_object_destroy ((IBusObject *) server->dbus);
    g_object_unref (server->dbus);
    ibus_object_destroy ((IBusObject *) server->ibus);
    g_object_unref (server->ibus);

    while (g_main_loop_is_running (server->loop)) {
        g_main_loop_quit (server->loop);
    }
    g_main_loop_unref (server->loop);

    IBUS_OBJECT_CLASS (parent_class)->destroy (IBUS_OBJECT (server));
}