/*

 * AT-SPI - Assistive Technology Service Provider Interface

 * (Gnome Accessibility Project; http://developer.gnome.org/projects/gap)

 *

 * Copyright 2008 Novell, Inc.

 *

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Library 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

 * Library General Public License for more details.

 *

 * You should have received a copy of the GNU Library 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 <stdlib.h>

#include <glib.h>

#include <glib-object.h>

#include <dbus/dbus.h>

#include "de-types.h"

dbus_bool_t spi_dbus_message_iter_get_struct(DBusMessageIter *iter, ...)

{

  va_list args;

  DBusMessageIter iter_struct;

  int type;

  void *ptr;

  dbus_message_iter_recurse(iter, &iter_struct);

  va_start(args, iter);

  for (;;)

  {

    type = va_arg(args, int);

    if (type == DBUS_TYPE_INVALID) break;

    if (type != dbus_message_iter_get_arg_type(&iter_struct))

    {

      va_end(args);

      return FALSE;

    }

    ptr = va_arg(args, void *);

    dbus_message_iter_get_basic(&iter_struct, ptr);

    dbus_message_iter_next(&iter_struct);

  }

  dbus_message_iter_next(iter);

  va_end(args);

  return TRUE;

}

dbus_bool_t spi_dbus_message_iter_append_struct(DBusMessageIter *iter, ...)

{

  va_list args;

  DBusMessageIter iter_struct;

  int type;

  void *ptr;

  if (!dbus_message_iter_open_container(iter, DBUS_TYPE_STRUCT, NULL, &iter_struct)) return FALSE;

  va_start(args, iter);

  for (;;)

  {

    type = va_arg(args, int);

    if (type == DBUS_TYPE_INVALID) break;

    ptr = va_arg(args, void *);

    dbus_message_iter_append_basic(&iter_struct, type, ptr);

  }

  if (!dbus_message_iter_close_container(iter, &iter_struct)) return FALSE;

  va_end(args);

  return TRUE;

}

dbus_bool_t spi_dbus_marshal_deviceEvent(DBusMessage *message, const Accessibility_DeviceEvent *e)

{

  DBusMessageIter iter;

  if (!message) return FALSE;

  dbus_message_iter_init_append(message, &iter);

  return spi_dbus_message_iter_append_struct(&iter, DBUS_TYPE_UINT32, &e->type, DBUS_TYPE_INT32, &e->id, DBUS_TYPE_UINT32, &e->hw_code, DBUS_TYPE_UINT32, &e->modifiers, DBUS_TYPE_INT32, &e->timestamp, DBUS_TYPE_STRING, &e->event_string, DBUS_TYPE_BOOLEAN, &e->is_text, DBUS_TYPE_INVALID);

}

dbus_bool_t spi_dbus_demarshal_deviceEvent(DBusMessage *message, Accessibility_DeviceEvent *e)

{

  DBusMessageIter iter;

  dbus_uint16_t hw_code;

  dbus_uint16_t modifiers;

  dbus_message_iter_init(message, &iter);

  if (spi_dbus_message_iter_get_struct(&iter, DBUS_TYPE_UINT32, &e->type, DBUS_TYPE_INT32, &e->id, DBUS_TYPE_INT32, &e->hw_code, DBUS_TYPE_INT32, &e->modifiers, DBUS_TYPE_INT32, &e->timestamp, DBUS_TYPE_STRING, &e->event_string, DBUS_TYPE_BOOLEAN, &e->is_text, DBUS_TYPE_INVALID))

    return TRUE;

  /* TODO: Perhaps remove the below code for 2.1 */

  if (!spi_dbus_message_iter_get_struct(&iter, DBUS_TYPE_UINT32, &e->type, DBUS_TYPE_INT32, &e->id, DBUS_TYPE_INT16, &hw_code, DBUS_TYPE_INT16, &modifiers, DBUS_TYPE_INT32, &e->timestamp, DBUS_TYPE_STRING, &e->event_string, DBUS_TYPE_BOOLEAN, &e->is_text, DBUS_TYPE_INVALID))

    return FALSE;

  e->hw_code = hw_code;

  e->modifiers = modifiers;

  return TRUE;

}