2 * AT-SPI - Assistive Technology Service Provider Interface
3 * (Gnome Accessibility Project; http://developer.gnome.org/projects/gap)
5 * Copyright 2008 Novell, Inc.
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Library General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Library General Public License for more details.
17 * You should have received a copy of the GNU Library General Public
18 * License along with this library; if not, write to the
19 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
20 * Boston, MA 02111-1307, USA.
27 #include <glib-object.h>
28 #include <dbus/dbus.h>
30 #include "spi-types.h"
33 spi_dbus_general_error (DBusMessage * message)
35 return dbus_message_new_error (message,
36 "org.freedesktop.atspi.GeneralError",
42 spi_dbus_return_rect (DBusMessage * message, gint ix, gint iy, gint iwidth,
46 dbus_uint32_t x, y, width, height;
52 reply = dbus_message_new_method_return (message);
55 DBusMessageIter iter, sub;
56 dbus_message_iter_init_append (reply, &iter);
57 if (!dbus_message_iter_open_container
58 (&iter, DBUS_TYPE_STRUCT, NULL, &sub))
60 dbus_message_iter_append_basic (&sub, DBUS_TYPE_INT32, &x);
61 dbus_message_iter_append_basic (&sub, DBUS_TYPE_INT32, &y);
62 dbus_message_iter_append_basic (&sub, DBUS_TYPE_INT32, &width);
63 dbus_message_iter_append_basic (&sub, DBUS_TYPE_INT32, &height);
64 if (!dbus_message_iter_close_container (&iter, &sub))
69 /* todo: return an error */
73 void spi_dbus_emit_valist(DBusConnection *bus, const char *path, const char *interface, const char *name, int first_arg_type, va_list args)
77 sig = dbus_message_new_signal(path, interface, name);
78 if (first_arg_type != DBUS_TYPE_INVALID)
80 dbus_message_append_args_valist(sig, first_arg_type, args);
82 dbus_connection_send(bus, sig, NULL);
83 dbus_message_unref(sig);
86 dbus_bool_t spi_dbus_message_iter_get_struct(DBusMessageIter *iter, ...)
89 DBusMessageIter iter_struct;
93 dbus_message_iter_recurse(iter, &iter_struct);
97 type = va_arg(args, int);
98 if (type == DBUS_TYPE_INVALID) break;
99 if (type != dbus_message_iter_get_arg_type(&iter_struct))
104 ptr = va_arg(args, void *);
105 dbus_message_iter_get_basic(&iter_struct, ptr);
106 dbus_message_iter_next(&iter_struct);
108 dbus_message_iter_next(iter);
113 dbus_bool_t spi_dbus_message_iter_append_struct(DBusMessageIter *iter, ...)
116 DBusMessageIter iter_struct;
120 if (!dbus_message_iter_open_container(iter, DBUS_TYPE_STRUCT, NULL, &iter_struct)) return FALSE;
121 va_start(args, iter);
124 type = va_arg(args, int);
125 if (type == DBUS_TYPE_INVALID) break;
126 ptr = va_arg(args, void *);
127 dbus_message_iter_append_basic(&iter_struct, type, ptr);
129 if (!dbus_message_iter_close_container(iter, &iter_struct)) return FALSE;
134 dbus_bool_t spi_dbus_marshall_deviceEvent(DBusMessage *message, const Accessibility_DeviceEvent *e)
136 DBusMessageIter iter;
138 if (!message) return FALSE;
139 dbus_message_iter_init_append(message, &iter);
140 return spi_dbus_message_iter_append_struct(&iter, DBUS_TYPE_UINT32, &e->type, DBUS_TYPE_INT32, &e->id, DBUS_TYPE_INT16, &e->hw_code, DBUS_TYPE_INT16, &e->modifiers, DBUS_TYPE_INT32, &e->timestamp, DBUS_TYPE_STRING, &e->event_string, DBUS_TYPE_BOOLEAN, &e->is_text, DBUS_TYPE_INVALID);
143 dbus_bool_t spi_dbus_demarshall_deviceEvent(DBusMessage *message, Accessibility_DeviceEvent *e)
145 DBusMessageIter iter;
147 dbus_message_iter_init(message, &iter);
148 return spi_dbus_message_iter_get_struct(&iter, DBUS_TYPE_UINT32, &e->type, DBUS_TYPE_INT32, &e->id, DBUS_TYPE_INT16, &e->hw_code, DBUS_TYPE_INT16, &e->modifiers, DBUS_TYPE_INT32, &e->timestamp, DBUS_TYPE_STRING, &e->event_string, DBUS_TYPE_BOOLEAN, &e->is_text, DBUS_TYPE_INVALID);