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 static guint objindex;
36 deregister_object (gpointer data, GObject *obj)
38 spi_dbus_notify_remove(ATK_OBJECT(obj), NULL);
39 g_hash_table_remove (path2ptr, &obj);
43 register_object (GObject * obj)
49 path2ptr = g_hash_table_new_full (g_int_hash, g_int_equal, g_free, NULL);
54 while (g_hash_table_lookup (path2ptr, &objindex))
57 /* g_object_get_data returning 0 means no data, so handle wrap-around */
61 new_int = (gint *)g_malloc(sizeof(gint));
65 g_hash_table_insert (path2ptr, new_int, obj);
67 g_object_set_data (G_OBJECT (obj), "dbus-id", (gpointer) objindex);
68 g_object_weak_ref(G_OBJECT(obj), deregister_object, NULL);
69 spi_dbus_notify_change(obj, TRUE, NULL);
74 spi_dbus_general_error (DBusMessage * message)
76 return dbus_message_new_error (message,
77 "org.freedesktop.atspi.GeneralError",
83 spi_dbus_return_rect (DBusMessage * message, gint ix, gint iy, gint iwidth,
87 dbus_uint32_t x, y, width, height;
93 reply = dbus_message_new_method_return (message);
96 DBusMessageIter iter, sub;
97 dbus_message_iter_init_append (reply, &iter);
98 if (!dbus_message_iter_open_container
99 (&iter, DBUS_TYPE_STRUCT, NULL, &sub))
101 dbus_message_iter_append_basic (&sub, DBUS_TYPE_INT32, &x);
102 dbus_message_iter_append_basic (&sub, DBUS_TYPE_INT32, &y);
103 dbus_message_iter_append_basic (&sub, DBUS_TYPE_INT32, &width);
104 dbus_message_iter_append_basic (&sub, DBUS_TYPE_INT32, &height);
105 if (!dbus_message_iter_close_container (&iter, &sub))
110 /* todo: return an error */
114 void spi_dbus_emit_valist(DBusConnection *bus, const char *path, const char *interface, const char *name, int first_arg_type, va_list args)
118 sig = dbus_message_new_signal(path, interface, name);
119 if (first_arg_type != DBUS_TYPE_INVALID)
121 dbus_message_append_args_valist(sig, first_arg_type, args);
123 dbus_connection_send(bus, sig, NULL);
124 dbus_message_unref(sig);
127 dbus_bool_t spi_dbus_message_iter_get_struct(DBusMessageIter *iter, ...)
130 DBusMessageIter iter_struct;
134 dbus_message_iter_recurse(iter, &iter_struct);
135 va_start(args, iter);
138 type = va_arg(args, int);
139 if (type == DBUS_TYPE_INVALID) break;
140 if (type != dbus_message_iter_get_arg_type(&iter_struct))
145 ptr = va_arg(args, void *);
146 dbus_message_iter_get_basic(&iter_struct, ptr);
147 dbus_message_iter_next(&iter_struct);
149 dbus_message_iter_next(iter);
154 dbus_bool_t spi_dbus_message_iter_append_struct(DBusMessageIter *iter, ...)
157 DBusMessageIter iter_struct;
161 if (!dbus_message_iter_open_container(iter, DBUS_TYPE_STRUCT, NULL, &iter_struct)) return FALSE;
162 va_start(args, iter);
165 type = va_arg(args, int);
166 if (type == DBUS_TYPE_INVALID) break;
167 ptr = va_arg(args, void *);
168 dbus_message_iter_append_basic(&iter_struct, type, ptr);
170 if (!dbus_message_iter_close_container(iter, &iter_struct)) return FALSE;
175 dbus_bool_t spi_dbus_marshall_deviceEvent(DBusMessage *message, const Accessibility_DeviceEvent *e)
177 DBusMessageIter iter;
179 if (!message) return FALSE;
180 dbus_message_iter_init_append(message, &iter);
181 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);
184 dbus_bool_t spi_dbus_demarshall_deviceEvent(DBusMessage *message, Accessibility_DeviceEvent *e)
186 DBusMessageIter iter;
188 dbus_message_iter_init(message, &iter);
189 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);