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.
24 #include <droute/droute.h>
26 #include "common/spi-dbus.h"
27 #include "common/spi-stateset.h"
29 #include "accessible-register.h"
30 #include "accessible-marshaller.h"
35 /*---------------------------------------------------------------------------*/
38 spi_dbus_append_name_and_path_inner (DBusMessageIter *iter, const char *bus_name, const char *path)
40 DBusMessageIter iter_struct;
45 dbus_message_iter_open_container (iter, DBUS_TYPE_STRUCT, NULL, &iter_struct);
46 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_STRING, &bus_name);
47 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_OBJECT_PATH, &path);
48 dbus_message_iter_close_container (iter, &iter_struct);
52 spi_dbus_append_name_and_path (DBusMessage *message, DBusMessageIter *iter, AtkObject *obj, gboolean unref)
55 DBusMessageIter iter_struct;
56 const char *bus_name = dbus_message_get_sender (message);
58 path = atk_dbus_object_to_path (obj, FALSE);
61 path = g_strdup (SPI_DBUS_PATH_NULL);
63 spi_dbus_append_name_and_path_inner (iter, bus_name, path);
71 * Marshals the D-Bus path of an AtkObject into a D-Bus message.
73 * Unrefs the AtkObject if unref is true.
76 spi_dbus_return_object (DBusMessage *message, AtkObject *obj, gboolean do_register, gboolean unref)
79 reply = dbus_message_new_method_return (message);
83 dbus_message_iter_init_append (message, &iter);
84 spi_dbus_append_name_and_path (message, &iter, obj, unref);
91 spi_dbus_return_hyperlink (DBusMessage *message, AtkHyperlink *link, AtkObject *container, gboolean unref)
93 return spi_dbus_return_sub_object (message, G_OBJECT (link), G_OBJECT (container), unref);
97 spi_dbus_return_sub_object (DBusMessage *message, GObject *sub, GObject *container, gboolean unref)
102 path = atk_dbus_sub_object_to_path (sub, container);
105 g_object_unref (sub);
108 path = g_strdup (SPI_DBUS_PATH_NULL);
110 reply = dbus_message_new_method_return (message);
113 dbus_message_append_args (reply, DBUS_TYPE_OBJECT_PATH, &path,
122 /*---------------------------------------------------------------------------*/
125 * Marshals a variant containing the D-Bus path of an AtkObject into a D-Bus
128 * Unrefs the object if unref is true.
131 spi_dbus_return_v_object (DBusMessageIter *iter, AtkObject *obj, int unref)
135 path = atk_dbus_object_to_path (obj, FALSE);
138 path = g_strdup (SPI_DBUS_PATH_NULL);
141 g_object_unref (obj);
143 return droute_return_v_object (iter, path);
146 /*---------------------------------------------------------------------------*/
149 append_atk_object_interfaces (AtkObject *object, DBusMessageIter *iter)
153 itf = SPI_DBUS_INTERFACE_ACCESSIBLE;
154 dbus_message_iter_append_basic (iter, DBUS_TYPE_STRING, &itf);
156 if (ATK_IS_ACTION (object))
158 itf = SPI_DBUS_INTERFACE_ACTION;
159 dbus_message_iter_append_basic (iter, DBUS_TYPE_STRING, &itf);
162 if (ATK_IS_COMPONENT (object))
164 itf = SPI_DBUS_INTERFACE_COMPONENT;
165 dbus_message_iter_append_basic (iter, DBUS_TYPE_STRING, &itf);
168 if (ATK_IS_EDITABLE_TEXT (object))
170 itf = SPI_DBUS_INTERFACE_EDITABLE_TEXT;
171 dbus_message_iter_append_basic (iter, DBUS_TYPE_STRING, &itf);
174 if (ATK_IS_TEXT (object))
176 itf = SPI_DBUS_INTERFACE_TEXT;
177 dbus_message_iter_append_basic (iter, DBUS_TYPE_STRING, &itf);
180 if (ATK_IS_HYPERTEXT (object))
182 itf = SPI_DBUS_INTERFACE_HYPERTEXT;
183 dbus_message_iter_append_basic (iter, DBUS_TYPE_STRING, &itf);
186 if (ATK_IS_IMAGE (object))
188 itf = SPI_DBUS_INTERFACE_IMAGE;
189 dbus_message_iter_append_basic (iter, DBUS_TYPE_STRING, &itf);
192 if (ATK_IS_SELECTION (object))
194 itf = SPI_DBUS_INTERFACE_SELECTION;
195 dbus_message_iter_append_basic (iter, DBUS_TYPE_STRING, &itf);
198 if (ATK_IS_TABLE (object))
200 itf = SPI_DBUS_INTERFACE_TABLE;
201 dbus_message_iter_append_basic (iter, DBUS_TYPE_STRING, &itf);
204 if (ATK_IS_VALUE (object))
206 itf = SPI_DBUS_INTERFACE_VALUE;
207 dbus_message_iter_append_basic (iter, DBUS_TYPE_STRING, &itf);
210 if (ATK_IS_STREAMABLE_CONTENT (object))
212 itf = "org.freedesktop.atspi.StreamableContent";
213 dbus_message_iter_append_basic (iter, DBUS_TYPE_STRING, &itf);
216 if (ATK_IS_DOCUMENT (object))
218 itf = "org.freedesktop.atspi.Collection";
219 dbus_message_iter_append_basic (iter, DBUS_TYPE_STRING, &itf);
220 itf = SPI_DBUS_INTERFACE_DOCUMENT;
221 dbus_message_iter_append_basic (iter, DBUS_TYPE_STRING, &itf);
224 if (ATK_IS_HYPERLINK_IMPL (object))
226 itf = SPI_DBUS_INTERFACE_HYPERLINK;
227 dbus_message_iter_append_basic (iter, DBUS_TYPE_STRING, &itf);
231 /*---------------------------------------------------------------------------*/
234 * Marshals the given AtkObject into the provided D-Bus iterator.
236 * The object is marshalled including all its client side cache data.
237 * The format of the structure is (o(so)a(so)assusau).
238 * This is used in the updateTree signal and the GetTree method
239 * of the org.freedesktop.atspi.Tree interface.
241 * To marshal an object its parent, and all its children must already
242 * be registered with D-Bus and have been given a D-Bus object path.
245 spi_atk_append_accessible(AtkObject *obj, gpointer data)
247 DBusMessageIter iter_struct, iter_sub_array;
248 dbus_uint32_t states [2];
251 DBusMessageIter *iter_array = (DBusMessageIter *)data;
253 const char *name, *desc;
256 set = atk_object_ref_state_set (obj);
257 dbus_message_iter_open_container (iter_array, DBUS_TYPE_STRUCT, NULL, &iter_struct);
260 gchar *path, *path_parent;
262 /* Marshall object path */
263 path = atk_dbus_object_to_path (obj, FALSE);
265 /* Marshall parent */
266 parent = atk_object_get_parent(obj);
269 path_parent = atk_dbus_desktop_object_path ();
273 path_parent = atk_dbus_object_to_path (parent, FALSE);
276 /* This should only happen if a widget is re-parented to
277 * an AtkObject that has not been registered and is then
278 * updated. Ideally objects would be de-registered when
279 * they are removed from a registered tree object, but
280 * this would invalidate a huge amount of cache when
284 g_warning ("AT-SPI: Registered accessible marshalled when parent not registered");
286 path_parent = atk_dbus_desktop_object_path ();
290 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_OBJECT_PATH, &path);
291 spi_dbus_append_name_and_path_inner (&iter_struct, NULL, path_parent);
294 /* Marshall children */
295 dbus_message_iter_open_container (&iter_struct, DBUS_TYPE_ARRAY, "(so)", &iter_sub_array);
296 if (!atk_state_set_contains_state (set, ATK_STATE_MANAGES_DESCENDANTS))
300 childcount = atk_object_get_n_accessible_children (obj);
301 for (i = 0; i < childcount; i++)
306 child = atk_object_ref_accessible_child (obj, i);
307 child_path = atk_dbus_object_to_path (child, FALSE);
310 spi_dbus_append_name_and_path_inner (&iter_sub_array, NULL, child_path);
313 g_object_unref(G_OBJECT(child));
316 #ifdef __ATK_PLUG_H__
317 if (ATK_IS_SOCKET (obj) && atk_socket_is_occupied (ATK_SOCKET(obj)))
319 AtkSocket *socket = ATK_SOCKET(obj);
320 gchar *child_name, *child_path;
321 child_name = g_strdup (socket->embedded_plug_id);
322 child_path = strchr (child_name + 1, ':');
325 *(child_path++) = '\0';
326 spi_dbus_append_name_and_path_inner (&iter_sub_array, child_name, child_path);
332 dbus_message_iter_close_container (&iter_struct, &iter_sub_array);
334 /* Marshall interfaces */
335 dbus_message_iter_open_container (&iter_struct, DBUS_TYPE_ARRAY, "s", &iter_sub_array);
336 append_atk_object_interfaces (obj, &iter_sub_array);
337 dbus_message_iter_close_container (&iter_struct, &iter_sub_array);
340 name = atk_object_get_name (obj);
343 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_STRING, &name);
346 role = spi_accessible_role_from_atk_role (atk_object_get_role (obj));
347 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_UINT32, &role);
349 /* Marshall description */
350 desc = atk_object_get_description (obj);
353 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_STRING, &desc);
357 /* Marshall state set */
358 spi_atk_state_set_to_dbus_array (set, states);
359 dbus_message_iter_open_container (&iter_struct, DBUS_TYPE_ARRAY, "u", &iter_sub_array);
360 for (count = 0; count < 2; count++)
362 dbus_message_iter_append_basic (&iter_sub_array, DBUS_TYPE_UINT32, &states[count]);
364 dbus_message_iter_close_container (&iter_struct, &iter_sub_array);
366 dbus_message_iter_close_container (iter_array, &iter_struct);
367 g_object_unref (set);
371 spi_atk_append_attribute_set (DBusMessageIter *iter, AtkAttributeSet *attr)
373 DBusMessageIter dictIter;
375 dbus_message_iter_open_container (iter, DBUS_TYPE_ARRAY, "{ss}", &dictIter);
376 spi_atk_append_attribute_set_inner (&dictIter, attr);
377 dbus_message_iter_close_container (iter, &dictIter);
381 spi_atk_append_attribute_set_inner (DBusMessageIter *iter, AtkAttributeSet *attr)
383 DBusMessageIter dictEntryIter;
387 AtkAttribute *attribute = (AtkAttribute *) attr->data;
388 dbus_message_iter_open_container (iter, DBUS_TYPE_DICT_ENTRY, NULL, &dictEntryIter);
389 dbus_message_iter_append_basic (&dictEntryIter, DBUS_TYPE_STRING, &attribute->name);
390 dbus_message_iter_append_basic (&dictEntryIter, DBUS_TYPE_STRING, &attribute->value);
391 dbus_message_iter_close_container (iter, &dictEntryIter);
392 attr = g_slist_next (attr);
396 /*END------------------------------------------------------------------------*/