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.
23 #include <droute/droute.h>
25 #include "common/spi-dbus.h"
26 #include "common/spi-stateset.h"
28 #include "accessible-register.h"
29 #include "accessible-marshaller.h"
34 /*---------------------------------------------------------------------------*/
37 spi_dbus_append_name_and_path_inner (DBusMessageIter *iter, const char *bus_name, const char *path)
39 DBusMessageIter iter_struct;
44 dbus_message_iter_open_container (iter, DBUS_TYPE_STRUCT, NULL, &iter_struct);
45 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_STRING, &bus_name);
46 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_OBJECT_PATH, &path);
47 dbus_message_iter_close_container (iter, &iter_struct);
51 spi_dbus_append_name_and_path (DBusMessage *message, DBusMessageIter *iter, AtkObject *obj, gboolean unref)
54 DBusMessageIter iter_struct;
55 const char *bus_name = dbus_message_get_sender (message);
57 path = atk_dbus_object_to_path (obj, FALSE);
60 path = g_strdup (SPI_DBUS_PATH_NULL);
62 spi_dbus_append_name_and_path_inner (iter, bus_name, path);
70 * Marshals the D-Bus path of an AtkObject into a D-Bus message.
72 * Unrefs the AtkObject if unref is true.
75 spi_dbus_return_object (DBusMessage *message, AtkObject *obj, gboolean do_register, gboolean unref)
78 reply = dbus_message_new_method_return (message);
82 dbus_message_iter_init_append (message, &iter);
83 spi_dbus_append_name_and_path (message, &iter, obj, unref);
90 spi_dbus_return_hyperlink (DBusMessage *message, AtkHyperlink *link, AtkObject *container, gboolean unref)
92 return spi_dbus_return_sub_object (message, G_OBJECT (link), G_OBJECT (container), unref);
96 spi_dbus_return_sub_object (DBusMessage *message, GObject *sub, GObject *container, gboolean unref)
101 path = atk_dbus_sub_object_to_path (sub, container);
104 g_object_unref (sub);
107 path = g_strdup (SPI_DBUS_PATH_NULL);
109 reply = dbus_message_new_method_return (message);
112 dbus_message_append_args (reply, DBUS_TYPE_OBJECT_PATH, &path,
121 /*---------------------------------------------------------------------------*/
124 * Marshals a variant containing the D-Bus path of an AtkObject into a D-Bus
127 * Unrefs the object if unref is true.
130 spi_dbus_return_v_object (DBusMessageIter *iter, AtkObject *obj, int unref)
134 path = atk_dbus_object_to_path (obj, FALSE);
137 path = g_strdup (SPI_DBUS_PATH_NULL);
140 g_object_unref (obj);
142 return droute_return_v_object (iter, path);
145 /*---------------------------------------------------------------------------*/
148 append_atk_object_interfaces (AtkObject *object, DBusMessageIter *iter)
152 itf = SPI_DBUS_INTERFACE_ACCESSIBLE;
153 dbus_message_iter_append_basic (iter, DBUS_TYPE_STRING, &itf);
155 if (ATK_IS_ACTION (object))
157 itf = SPI_DBUS_INTERFACE_ACTION;
158 dbus_message_iter_append_basic (iter, DBUS_TYPE_STRING, &itf);
161 if (ATK_IS_COMPONENT (object))
163 itf = SPI_DBUS_INTERFACE_COMPONENT;
164 dbus_message_iter_append_basic (iter, DBUS_TYPE_STRING, &itf);
167 if (ATK_IS_EDITABLE_TEXT (object))
169 itf = SPI_DBUS_INTERFACE_EDITABLE_TEXT;
170 dbus_message_iter_append_basic (iter, DBUS_TYPE_STRING, &itf);
173 if (ATK_IS_TEXT (object))
175 itf = SPI_DBUS_INTERFACE_TEXT;
176 dbus_message_iter_append_basic (iter, DBUS_TYPE_STRING, &itf);
179 if (ATK_IS_HYPERTEXT (object))
181 itf = SPI_DBUS_INTERFACE_HYPERTEXT;
182 dbus_message_iter_append_basic (iter, DBUS_TYPE_STRING, &itf);
185 if (ATK_IS_IMAGE (object))
187 itf = SPI_DBUS_INTERFACE_IMAGE;
188 dbus_message_iter_append_basic (iter, DBUS_TYPE_STRING, &itf);
191 if (ATK_IS_SELECTION (object))
193 itf = SPI_DBUS_INTERFACE_SELECTION;
194 dbus_message_iter_append_basic (iter, DBUS_TYPE_STRING, &itf);
197 if (ATK_IS_TABLE (object))
199 itf = SPI_DBUS_INTERFACE_TABLE;
200 dbus_message_iter_append_basic (iter, DBUS_TYPE_STRING, &itf);
203 if (ATK_IS_VALUE (object))
205 itf = SPI_DBUS_INTERFACE_VALUE;
206 dbus_message_iter_append_basic (iter, DBUS_TYPE_STRING, &itf);
209 if (ATK_IS_STREAMABLE_CONTENT (object))
211 itf = "org.freedesktop.atspi.StreamableContent";
212 dbus_message_iter_append_basic (iter, DBUS_TYPE_STRING, &itf);
215 if (ATK_IS_DOCUMENT (object))
217 itf = "org.freedesktop.atspi.Collection";
218 dbus_message_iter_append_basic (iter, DBUS_TYPE_STRING, &itf);
219 itf = SPI_DBUS_INTERFACE_DOCUMENT;
220 dbus_message_iter_append_basic (iter, DBUS_TYPE_STRING, &itf);
223 if (ATK_IS_HYPERLINK_IMPL (object))
225 itf = SPI_DBUS_INTERFACE_HYPERLINK;
226 dbus_message_iter_append_basic (iter, DBUS_TYPE_STRING, &itf);
230 /*---------------------------------------------------------------------------*/
233 * Marshals the given AtkObject into the provided D-Bus iterator.
235 * The object is marshalled including all its client side cache data.
236 * The format of the structure is (o(so)a(so)assusau).
237 * This is used in the updateTree signal and the GetTree method
238 * of the org.freedesktop.atspi.Tree interface.
240 * To marshal an object its parent, and all its children must already
241 * be registered with D-Bus and have been given a D-Bus object path.
244 spi_atk_append_accessible(AtkObject *obj, gpointer data)
246 DBusMessageIter iter_struct, iter_sub_array;
247 dbus_uint32_t states [2];
250 DBusMessageIter *iter_array = (DBusMessageIter *)data;
252 const char *name, *desc;
255 set = atk_object_ref_state_set (obj);
256 dbus_message_iter_open_container (iter_array, DBUS_TYPE_STRUCT, NULL, &iter_struct);
259 gchar *path, *path_parent;
261 /* Marshall object path */
262 path = atk_dbus_object_to_path (obj, FALSE);
264 /* Marshall parent */
265 parent = atk_object_get_parent(obj);
268 path_parent = atk_dbus_desktop_object_path ();
272 path_parent = atk_dbus_object_to_path (parent, FALSE);
275 /* This should only happen if a widget is re-parented to
276 * an AtkObject that has not been registered and is then
277 * updated. Ideally objects would be de-registered when
278 * they are removed from a registered tree object, but
279 * this would invalidate a huge amount of cache when
283 g_warning ("AT-SPI: Registered accessible marshalled when parent not registered");
285 path_parent = atk_dbus_desktop_object_path ();
289 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_OBJECT_PATH, &path);
290 spi_dbus_append_name_and_path_inner (&iter_struct, NULL, path_parent);
293 /* Marshall children */
294 dbus_message_iter_open_container (&iter_struct, DBUS_TYPE_ARRAY, "(so)", &iter_sub_array);
295 if (!atk_state_set_contains_state (set, ATK_STATE_MANAGES_DESCENDANTS))
299 childcount = atk_object_get_n_accessible_children (obj);
300 for (i = 0; i < childcount; i++)
305 child = atk_object_ref_accessible_child (obj, i);
306 child_path = atk_dbus_object_to_path (child, FALSE);
309 spi_dbus_append_name_and_path_inner (&iter_sub_array, NULL, child_path);
312 g_object_unref(G_OBJECT(child));
315 dbus_message_iter_close_container (&iter_struct, &iter_sub_array);
317 /* Marshall interfaces */
318 dbus_message_iter_open_container (&iter_struct, DBUS_TYPE_ARRAY, "s", &iter_sub_array);
319 append_atk_object_interfaces (obj, &iter_sub_array);
320 dbus_message_iter_close_container (&iter_struct, &iter_sub_array);
323 name = atk_object_get_name (obj);
326 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_STRING, &name);
329 role = spi_accessible_role_from_atk_role (atk_object_get_role (obj));
330 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_UINT32, &role);
332 /* Marshall description */
333 desc = atk_object_get_description (obj);
336 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_STRING, &desc);
340 /* Marshall state set */
341 spi_atk_state_set_to_dbus_array (set, states);
342 dbus_message_iter_open_container (&iter_struct, DBUS_TYPE_ARRAY, "u", &iter_sub_array);
343 for (count = 0; count < 2; count++)
345 dbus_message_iter_append_basic (&iter_sub_array, DBUS_TYPE_UINT32, &states[count]);
347 dbus_message_iter_close_container (&iter_struct, &iter_sub_array);
349 dbus_message_iter_close_container (iter_array, &iter_struct);
350 g_object_unref (set);
354 spi_atk_append_attribute_set (DBusMessageIter *iter, AtkAttributeSet *attr)
356 DBusMessageIter dictIter;
358 dbus_message_iter_open_container (iter, DBUS_TYPE_ARRAY, "{ss}", &dictIter);
359 spi_atk_append_attribute_set_inner (&dictIter, attr);
360 dbus_message_iter_close_container (iter, &dictIter);
364 spi_atk_append_attribute_set_inner (DBusMessageIter *iter, AtkAttributeSet *attr)
366 DBusMessageIter dictEntryIter;
370 AtkAttribute *attribute = (AtkAttribute *) attr->data;
371 dbus_message_iter_open_container (iter, DBUS_TYPE_DICT_ENTRY, NULL, &dictEntryIter);
372 dbus_message_iter_append_basic (&dictEntryIter, DBUS_TYPE_STRING, &attribute->name);
373 dbus_message_iter_append_basic (&dictEntryIter, DBUS_TYPE_STRING, &attribute->value);
374 dbus_message_iter_close_container (iter, &dictEntryIter);
375 attr = g_slist_next (attr);
379 /*END------------------------------------------------------------------------*/