1 | /* |
---|
2 | * AT-SPI - Assistive Technology Service Provider Interface |
---|
3 | * (Gnome Accessibility Project; http://developer.gnome.org/projects/gap) |
---|
4 | * |
---|
5 | * Copyright 2001 Sun Microsystems Inc. |
---|
6 | * |
---|
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. |
---|
11 | * |
---|
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. |
---|
16 | * |
---|
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. |
---|
21 | */ |
---|
22 | |
---|
23 | /* accessible.c: the core of the accessibility implementation */ |
---|
24 | |
---|
25 | #include <config.h> |
---|
26 | #include <stdio.h> |
---|
27 | #include <bonobo/bonobo-exception.h> |
---|
28 | #include <atk/atk.h> |
---|
29 | #include <libspi/libspi.h> |
---|
30 | |
---|
31 | /* Our parent Gtk object type */ |
---|
32 | #define PARENT_TYPE SPI_TYPE_BASE |
---|
33 | |
---|
34 | static gboolean spi_init_role_lookup_table (Accessibility_Role *role_table); |
---|
35 | static Accessibility_Role spi_role_from_atk_role (AtkRole role); |
---|
36 | |
---|
37 | static gboolean |
---|
38 | spi_init_role_lookup_table (Accessibility_Role *role_table) |
---|
39 | { |
---|
40 | int i; |
---|
41 | /* if it's not in the list below, dunno what it is */ |
---|
42 | for (i = 0; i < ATK_ROLE_LAST_DEFINED; ++i) |
---|
43 | { |
---|
44 | role_table [i] = Accessibility_ROLE_UNKNOWN; |
---|
45 | } |
---|
46 | |
---|
47 | role_table [ATK_ROLE_INVALID] = Accessibility_ROLE_INVALID; |
---|
48 | role_table [ATK_ROLE_ACCEL_LABEL] = Accessibility_ROLE_ACCELERATOR_LABEL; |
---|
49 | role_table [ATK_ROLE_ALERT] = Accessibility_ROLE_ALERT; |
---|
50 | role_table [ATK_ROLE_ANIMATION] = Accessibility_ROLE_ANIMATION; |
---|
51 | role_table [ATK_ROLE_ARROW] = Accessibility_ROLE_ARROW; |
---|
52 | role_table [ATK_ROLE_CALENDAR] = Accessibility_ROLE_CALENDAR; |
---|
53 | role_table [ATK_ROLE_CANVAS] = Accessibility_ROLE_CANVAS; |
---|
54 | role_table [ATK_ROLE_CHECK_BOX] = Accessibility_ROLE_CHECK_BOX; |
---|
55 | role_table [ATK_ROLE_CHECK_MENU_ITEM] = Accessibility_ROLE_CHECK_MENU_ITEM; |
---|
56 | role_table [ATK_ROLE_COLOR_CHOOSER] = Accessibility_ROLE_COLOR_CHOOSER; |
---|
57 | role_table [ATK_ROLE_COLUMN_HEADER] = Accessibility_ROLE_COLUMN_HEADER; |
---|
58 | role_table [ATK_ROLE_COMBO_BOX] = Accessibility_ROLE_COMBO_BOX; |
---|
59 | role_table [ATK_ROLE_DATE_EDITOR] = Accessibility_ROLE_DATE_EDITOR; |
---|
60 | role_table [ATK_ROLE_DESKTOP_ICON] = Accessibility_ROLE_DESKTOP_ICON; |
---|
61 | role_table [ATK_ROLE_DESKTOP_FRAME] = Accessibility_ROLE_DESKTOP_FRAME; |
---|
62 | role_table [ATK_ROLE_DIAL] = Accessibility_ROLE_DIAL; |
---|
63 | role_table [ATK_ROLE_DIALOG] = Accessibility_ROLE_DIALOG; |
---|
64 | role_table [ATK_ROLE_DIRECTORY_PANE] = Accessibility_ROLE_DIRECTORY_PANE; |
---|
65 | role_table [ATK_ROLE_DRAWING_AREA] = Accessibility_ROLE_DRAWING_AREA; |
---|
66 | role_table [ATK_ROLE_FILE_CHOOSER] = Accessibility_ROLE_FILE_CHOOSER; |
---|
67 | role_table [ATK_ROLE_FILLER] = Accessibility_ROLE_FILLER; |
---|
68 | role_table [ATK_ROLE_FONT_CHOOSER] = Accessibility_ROLE_FONT_CHOOSER; |
---|
69 | role_table [ATK_ROLE_FRAME] = Accessibility_ROLE_FRAME; |
---|
70 | role_table [ATK_ROLE_GLASS_PANE] = Accessibility_ROLE_GLASS_PANE; |
---|
71 | role_table [ATK_ROLE_HTML_CONTAINER] = Accessibility_ROLE_HTML_CONTAINER; |
---|
72 | role_table [ATK_ROLE_ICON] = Accessibility_ROLE_ICON; |
---|
73 | role_table [ATK_ROLE_IMAGE] = Accessibility_ROLE_IMAGE; |
---|
74 | role_table [ATK_ROLE_INTERNAL_FRAME] = Accessibility_ROLE_INTERNAL_FRAME; |
---|
75 | role_table [ATK_ROLE_LABEL] = Accessibility_ROLE_LABEL; |
---|
76 | role_table [ATK_ROLE_LAYERED_PANE] = Accessibility_ROLE_LAYERED_PANE; |
---|
77 | role_table [ATK_ROLE_LIST] = Accessibility_ROLE_LIST; |
---|
78 | role_table [ATK_ROLE_LIST_ITEM] = Accessibility_ROLE_LIST_ITEM; |
---|
79 | role_table [ATK_ROLE_MENU] = Accessibility_ROLE_MENU; |
---|
80 | role_table [ATK_ROLE_MENU_BAR] = Accessibility_ROLE_MENU_BAR; |
---|
81 | role_table [ATK_ROLE_MENU_ITEM] = Accessibility_ROLE_MENU_ITEM; |
---|
82 | role_table [ATK_ROLE_OPTION_PANE] = Accessibility_ROLE_OPTION_PANE; |
---|
83 | role_table [ATK_ROLE_PAGE_TAB] = Accessibility_ROLE_PAGE_TAB; |
---|
84 | role_table [ATK_ROLE_PAGE_TAB_LIST] = Accessibility_ROLE_PAGE_TAB_LIST; |
---|
85 | role_table [ATK_ROLE_PANEL] = Accessibility_ROLE_PANEL; |
---|
86 | role_table [ATK_ROLE_PASSWORD_TEXT] = Accessibility_ROLE_PASSWORD_TEXT; |
---|
87 | role_table [ATK_ROLE_POPUP_MENU] = Accessibility_ROLE_POPUP_MENU; |
---|
88 | role_table [ATK_ROLE_PROGRESS_BAR] = Accessibility_ROLE_PROGRESS_BAR; |
---|
89 | role_table [ATK_ROLE_PUSH_BUTTON] = Accessibility_ROLE_PUSH_BUTTON; |
---|
90 | role_table [ATK_ROLE_RADIO_BUTTON] = Accessibility_ROLE_RADIO_BUTTON; |
---|
91 | role_table [ATK_ROLE_RADIO_MENU_ITEM] = Accessibility_ROLE_RADIO_MENU_ITEM; |
---|
92 | role_table [ATK_ROLE_ROOT_PANE] = Accessibility_ROLE_ROOT_PANE; |
---|
93 | role_table [ATK_ROLE_ROW_HEADER] = Accessibility_ROLE_ROW_HEADER; |
---|
94 | role_table [ATK_ROLE_SCROLL_BAR] = Accessibility_ROLE_SCROLL_BAR; |
---|
95 | role_table [ATK_ROLE_SCROLL_PANE] = Accessibility_ROLE_SCROLL_PANE; |
---|
96 | role_table [ATK_ROLE_SEPARATOR] = Accessibility_ROLE_SEPARATOR; |
---|
97 | role_table [ATK_ROLE_SLIDER] = Accessibility_ROLE_SLIDER; |
---|
98 | role_table [ATK_ROLE_SPIN_BUTTON] = Accessibility_ROLE_SPIN_BUTTON; |
---|
99 | role_table [ATK_ROLE_SPLIT_PANE] = Accessibility_ROLE_SPLIT_PANE; |
---|
100 | role_table [ATK_ROLE_STATUSBAR] = Accessibility_ROLE_STATUS_BAR; |
---|
101 | role_table [ATK_ROLE_TABLE] = Accessibility_ROLE_TABLE; |
---|
102 | role_table [ATK_ROLE_TABLE_CELL] = Accessibility_ROLE_TABLE_CELL; |
---|
103 | role_table [ATK_ROLE_TABLE_COLUMN_HEADER] = Accessibility_ROLE_COLUMN_HEADER; |
---|
104 | role_table [ATK_ROLE_TABLE_ROW_HEADER] = Accessibility_ROLE_ROW_HEADER; |
---|
105 | role_table [ATK_ROLE_TEAR_OFF_MENU_ITEM] = Accessibility_ROLE_TEAROFF_MENU_ITEM; |
---|
106 | role_table [ATK_ROLE_TERMINAL] = Accessibility_ROLE_TERMINAL; |
---|
107 | role_table [ATK_ROLE_TEXT] = Accessibility_ROLE_TEXT; |
---|
108 | role_table [ATK_ROLE_TOGGLE_BUTTON] = Accessibility_ROLE_TOGGLE_BUTTON; |
---|
109 | role_table [ATK_ROLE_TOOL_BAR] = Accessibility_ROLE_TOOL_BAR; |
---|
110 | role_table [ATK_ROLE_TOOL_TIP] = Accessibility_ROLE_TOOL_TIP; |
---|
111 | role_table [ATK_ROLE_TREE] = Accessibility_ROLE_TREE; |
---|
112 | role_table [ATK_ROLE_TREE_TABLE] = Accessibility_ROLE_TREE_TABLE; |
---|
113 | role_table [ATK_ROLE_UNKNOWN] = Accessibility_ROLE_UNKNOWN; |
---|
114 | role_table [ATK_ROLE_VIEWPORT] = Accessibility_ROLE_VIEWPORT; |
---|
115 | role_table [ATK_ROLE_WINDOW] = Accessibility_ROLE_WINDOW; |
---|
116 | role_table [ATK_ROLE_LAST_DEFINED] = Accessibility_ROLE_EXTENDED; |
---|
117 | |
---|
118 | return TRUE; |
---|
119 | } |
---|
120 | |
---|
121 | static Accessibility_Role |
---|
122 | spi_role_from_atk_role (AtkRole role) |
---|
123 | { |
---|
124 | static gboolean is_initialized = FALSE; |
---|
125 | static Accessibility_Role spi_role_table [ATK_ROLE_LAST_DEFINED]; |
---|
126 | Accessibility_Role spi_role; |
---|
127 | |
---|
128 | if (!is_initialized) |
---|
129 | { |
---|
130 | is_initialized = spi_init_role_lookup_table (spi_role_table); |
---|
131 | } |
---|
132 | |
---|
133 | if (role >= 0 && role < ATK_ROLE_LAST_DEFINED) |
---|
134 | { |
---|
135 | spi_role = spi_role_table [role]; |
---|
136 | } |
---|
137 | else |
---|
138 | { |
---|
139 | spi_role = Accessibility_ROLE_EXTENDED; |
---|
140 | } |
---|
141 | return spi_role; |
---|
142 | } |
---|
143 | |
---|
144 | static AtkObject * |
---|
145 | get_atkobject_from_servant (PortableServer_Servant servant) |
---|
146 | { |
---|
147 | SpiBase *object = SPI_BASE (bonobo_object_from_servant (servant)); |
---|
148 | |
---|
149 | g_return_val_if_fail (object, NULL); |
---|
150 | g_return_val_if_fail (ATK_IS_OBJECT(object->gobj), NULL); |
---|
151 | return ATK_OBJECT(object->gobj); |
---|
152 | } |
---|
153 | |
---|
154 | /* |
---|
155 | * CORBA Accessibility::Accessible::get_name method implementation |
---|
156 | */ |
---|
157 | static CORBA_char * |
---|
158 | impl_accessibility_accessible_get_name (PortableServer_Servant servant, |
---|
159 | CORBA_Environment *ev) |
---|
160 | { |
---|
161 | const gchar *name; |
---|
162 | CORBA_char *retval; |
---|
163 | AtkObject *object = get_atkobject_from_servant (servant); |
---|
164 | |
---|
165 | g_return_val_if_fail (object != NULL, CORBA_string_dup ("")); |
---|
166 | |
---|
167 | name = atk_object_get_name (object); |
---|
168 | |
---|
169 | if (name) |
---|
170 | { |
---|
171 | retval = CORBA_string_dup (name); |
---|
172 | } |
---|
173 | else |
---|
174 | { |
---|
175 | retval = CORBA_string_dup (""); |
---|
176 | } |
---|
177 | |
---|
178 | return retval; |
---|
179 | } |
---|
180 | |
---|
181 | /* |
---|
182 | * CORBA Accessibility::Accessible::set_name method implementation |
---|
183 | */ |
---|
184 | static void |
---|
185 | impl_accessibility_accessible_set_name (PortableServer_Servant servant, |
---|
186 | const CORBA_char *name, |
---|
187 | CORBA_Environment *ev) |
---|
188 | { |
---|
189 | AtkObject *object = get_atkobject_from_servant (servant); |
---|
190 | |
---|
191 | g_return_if_fail (object != NULL); |
---|
192 | |
---|
193 | atk_object_set_name (object, name); |
---|
194 | } |
---|
195 | |
---|
196 | /* |
---|
197 | * CORBA Accessibility::Accessible::get_description method implementation |
---|
198 | */ |
---|
199 | static CORBA_char * |
---|
200 | impl_accessibility_accessible_get_description (PortableServer_Servant servant, |
---|
201 | CORBA_Environment *ev) |
---|
202 | { |
---|
203 | const gchar *descr; |
---|
204 | CORBA_char *retval; |
---|
205 | AtkObject *object = get_atkobject_from_servant (servant); |
---|
206 | |
---|
207 | g_return_val_if_fail (object != NULL, CORBA_string_dup ("")); |
---|
208 | |
---|
209 | descr = atk_object_get_description (object); |
---|
210 | |
---|
211 | if (descr) |
---|
212 | { |
---|
213 | retval = CORBA_string_dup (descr); |
---|
214 | } |
---|
215 | else |
---|
216 | { |
---|
217 | retval = CORBA_string_dup (""); |
---|
218 | } |
---|
219 | |
---|
220 | return retval; |
---|
221 | } |
---|
222 | |
---|
223 | /* |
---|
224 | * CORBA Accessibility::Accessible::set_description method implementation |
---|
225 | */ |
---|
226 | static void |
---|
227 | impl_accessibility_accessible_set_description (PortableServer_Servant servant, |
---|
228 | const CORBA_char *descr, |
---|
229 | CORBA_Environment *ev) |
---|
230 | { |
---|
231 | AtkObject *object = get_atkobject_from_servant (servant); |
---|
232 | |
---|
233 | g_return_if_fail (object != NULL); |
---|
234 | |
---|
235 | atk_object_set_description (object, descr); |
---|
236 | } |
---|
237 | |
---|
238 | /* |
---|
239 | * CORBA Accessibility::Accessible::get_parent method implementation |
---|
240 | */ |
---|
241 | static Accessibility_Accessible |
---|
242 | impl_accessibility_accessible_get_parent (PortableServer_Servant servant, |
---|
243 | CORBA_Environment *ev) |
---|
244 | { |
---|
245 | AtkObject *parent; |
---|
246 | AtkObject *object = get_atkobject_from_servant (servant); |
---|
247 | |
---|
248 | g_return_val_if_fail (object != NULL, CORBA_OBJECT_NIL); |
---|
249 | |
---|
250 | parent = atk_object_get_parent (object); |
---|
251 | |
---|
252 | return spi_accessible_new_return (parent, FALSE, ev); |
---|
253 | } |
---|
254 | |
---|
255 | /* |
---|
256 | * CORBA Accessibility::Accessible::get_IndexInParent method implementation |
---|
257 | */ |
---|
258 | static CORBA_long |
---|
259 | impl_accessibility_accessible_get_index_in_parent (PortableServer_Servant servant, |
---|
260 | CORBA_Environment *ev) |
---|
261 | { |
---|
262 | AtkObject *object = get_atkobject_from_servant (servant); |
---|
263 | |
---|
264 | g_return_val_if_fail (object != NULL, -1); |
---|
265 | |
---|
266 | return atk_object_get_index_in_parent (object); |
---|
267 | } |
---|
268 | |
---|
269 | /* |
---|
270 | * CORBA Accessibility::Accessible::get_childCount method implementation |
---|
271 | */ |
---|
272 | static CORBA_long |
---|
273 | impl_accessibility_accessible_get_child_count (PortableServer_Servant servant, |
---|
274 | CORBA_Environment *ev) |
---|
275 | { |
---|
276 | AtkObject *object = get_atkobject_from_servant (servant); |
---|
277 | |
---|
278 | g_return_val_if_fail (object != NULL, 0); |
---|
279 | |
---|
280 | return atk_object_get_n_accessible_children (object); |
---|
281 | } |
---|
282 | |
---|
283 | /* |
---|
284 | * CORBA Accessibility::Accessible::getChildAtIndex method implementation |
---|
285 | */ |
---|
286 | static Accessibility_Accessible |
---|
287 | impl_accessibility_accessible_get_child_at_index (PortableServer_Servant servant, |
---|
288 | const CORBA_long index, |
---|
289 | CORBA_Environment *ev) |
---|
290 | { |
---|
291 | AtkObject *child; |
---|
292 | AtkObject *object = get_atkobject_from_servant (servant); |
---|
293 | |
---|
294 | g_return_val_if_fail (object != NULL, CORBA_OBJECT_NIL); |
---|
295 | |
---|
296 | child = atk_object_ref_accessible_child (object, index); |
---|
297 | |
---|
298 | return spi_accessible_new_return (child, TRUE, ev); |
---|
299 | } |
---|
300 | |
---|
301 | /* |
---|
302 | * CORBA Accessibility::Accessible::getState method implementation |
---|
303 | */ |
---|
304 | static Accessibility_StateSet |
---|
305 | impl_accessibility_accessible_get_state (PortableServer_Servant servant, |
---|
306 | CORBA_Environment *ev) |
---|
307 | { |
---|
308 | AtkObject *object = get_atkobject_from_servant (servant); |
---|
309 | AtkStateSet *atk_set; |
---|
310 | SpiStateSet *set; |
---|
311 | Accessibility_StateSet retval; |
---|
312 | |
---|
313 | bonobo_return_val_if_fail (object != NULL, NULL, ev); |
---|
314 | |
---|
315 | atk_set = atk_object_ref_state_set (object); |
---|
316 | |
---|
317 | set = spi_state_set_new (atk_set); |
---|
318 | retval = bonobo_object_dup_ref ( |
---|
319 | BONOBO_OBJREF(set), |
---|
320 | ev); |
---|
321 | |
---|
322 | return retval; |
---|
323 | } |
---|
324 | |
---|
325 | /* |
---|
326 | * CORBA Accessibility::Accessible::getRelationSet method implementation |
---|
327 | */ |
---|
328 | static Accessibility_RelationSet * |
---|
329 | impl_accessibility_accessible_get_relation_set (PortableServer_Servant servant, |
---|
330 | CORBA_Environment *ev) |
---|
331 | { |
---|
332 | Accessibility_RelationSet *retval; |
---|
333 | gint n_relations; |
---|
334 | gint i; |
---|
335 | AtkRelationSet *relation_set; |
---|
336 | AtkObject *object = get_atkobject_from_servant (servant); |
---|
337 | |
---|
338 | bonobo_return_val_if_fail (object != NULL, NULL, ev); |
---|
339 | |
---|
340 | relation_set = atk_object_ref_relation_set (object); |
---|
341 | |
---|
342 | n_relations = atk_relation_set_get_n_relations (relation_set); |
---|
343 | |
---|
344 | retval = CORBA_sequence_Accessibility_Relation__alloc (); |
---|
345 | retval->_length = retval->_maximum = n_relations; |
---|
346 | retval->_buffer = CORBA_sequence_Accessibility_Relation_allocbuf (n_relations); |
---|
347 | CORBA_sequence_set_release (retval, CORBA_TRUE); |
---|
348 | |
---|
349 | for (i = 0; i < n_relations; ++i) |
---|
350 | { |
---|
351 | retval->_buffer[i] = |
---|
352 | bonobo_object_dup_ref ( |
---|
353 | BONOBO_OBJREF ( |
---|
354 | spi_relation_new (atk_relation_set_get_relation (relation_set, i))), |
---|
355 | ev); |
---|
356 | } |
---|
357 | |
---|
358 | return retval; |
---|
359 | } |
---|
360 | |
---|
361 | /* |
---|
362 | * CORBA Accessibility::Accessible::getRole method implementation |
---|
363 | */ |
---|
364 | static Accessibility_Role |
---|
365 | impl_accessibility_accessible_get_role (PortableServer_Servant servant, |
---|
366 | CORBA_Environment *ev) |
---|
367 | { |
---|
368 | AtkRole role; |
---|
369 | Accessibility_Role retval; |
---|
370 | AtkObject *object = get_atkobject_from_servant (servant); |
---|
371 | |
---|
372 | g_return_val_if_fail (object != NULL, 0); |
---|
373 | |
---|
374 | role = atk_object_get_role (object); |
---|
375 | retval = spi_role_from_atk_role (role); |
---|
376 | |
---|
377 | return retval; |
---|
378 | } |
---|
379 | |
---|
380 | /* |
---|
381 | * CORBA Accessibility::Accessible::getRole method implementation |
---|
382 | */ |
---|
383 | static CORBA_char * |
---|
384 | impl_accessibility_accessible_get_role_name (PortableServer_Servant servant, |
---|
385 | CORBA_Environment *ev) |
---|
386 | { |
---|
387 | const gchar *role_name; |
---|
388 | AtkRole role; |
---|
389 | AtkObject *object = get_atkobject_from_servant (servant); |
---|
390 | |
---|
391 | g_return_val_if_fail (object != NULL, 0); |
---|
392 | |
---|
393 | role = atk_object_get_role (object); |
---|
394 | |
---|
395 | role_name = atk_role_get_name (role); |
---|
396 | if (role_name) |
---|
397 | return CORBA_string_dup (role_name); |
---|
398 | else |
---|
399 | return CORBA_string_dup (""); |
---|
400 | } |
---|
401 | |
---|
402 | static void |
---|
403 | spi_accessible_class_init (SpiAccessibleClass *klass) |
---|
404 | { |
---|
405 | POA_Accessibility_Accessible__epv *epv = &klass->epv; |
---|
406 | |
---|
407 | epv->_get_name = impl_accessibility_accessible_get_name; |
---|
408 | epv->_set_name = impl_accessibility_accessible_set_name; |
---|
409 | epv->_get_description = impl_accessibility_accessible_get_description; |
---|
410 | epv->_set_description = impl_accessibility_accessible_set_description; |
---|
411 | |
---|
412 | epv->_get_parent = impl_accessibility_accessible_get_parent; |
---|
413 | epv->_get_childCount = impl_accessibility_accessible_get_child_count; |
---|
414 | epv->getChildAtIndex = impl_accessibility_accessible_get_child_at_index; |
---|
415 | epv->getIndexInParent = impl_accessibility_accessible_get_index_in_parent; |
---|
416 | |
---|
417 | epv->getRelationSet = impl_accessibility_accessible_get_relation_set; |
---|
418 | epv->getState = impl_accessibility_accessible_get_state; |
---|
419 | epv->getRole = impl_accessibility_accessible_get_role; |
---|
420 | epv->getRoleName = impl_accessibility_accessible_get_role_name; |
---|
421 | } |
---|
422 | |
---|
423 | static void |
---|
424 | spi_accessible_init (SpiAccessible *accessible) |
---|
425 | { |
---|
426 | } |
---|
427 | |
---|
428 | BONOBO_TYPE_FUNC_FULL (SpiAccessible, |
---|
429 | Accessibility_Accessible, |
---|
430 | PARENT_TYPE, |
---|
431 | spi_accessible); |
---|
432 | |
---|
433 | static GHashTable *public_corba_refs = NULL; |
---|
434 | |
---|
435 | static GHashTable * |
---|
436 | get_public_refs (void) |
---|
437 | { |
---|
438 | if (!public_corba_refs) |
---|
439 | { |
---|
440 | public_corba_refs = g_hash_table_new (NULL, NULL); |
---|
441 | } |
---|
442 | return public_corba_refs; |
---|
443 | } |
---|
444 | |
---|
445 | static void |
---|
446 | de_register_public_ref (SpiBase *object) |
---|
447 | { |
---|
448 | g_hash_table_remove (get_public_refs (), object->gobj); |
---|
449 | } |
---|
450 | |
---|
451 | SpiAccessible * |
---|
452 | spi_accessible_new (AtkObject *o) |
---|
453 | { |
---|
454 | return spi_accessible_construct (SPI_ACCESSIBLE_TYPE, o); |
---|
455 | } |
---|
456 | |
---|
457 | SpiAccessible * |
---|
458 | spi_accessible_construct (GType type, AtkObject *o) |
---|
459 | { |
---|
460 | SpiAccessible *retval; |
---|
461 | CORBA_Environment ev; |
---|
462 | |
---|
463 | CORBA_exception_init (&ev); |
---|
464 | |
---|
465 | g_assert (o); |
---|
466 | g_assert (g_type_is_a (type, SPI_ACCESSIBLE_TYPE)); |
---|
467 | |
---|
468 | if ((retval = g_hash_table_lookup (get_public_refs (), o))) |
---|
469 | { |
---|
470 | bonobo_object_ref (BONOBO_OBJECT (retval)); |
---|
471 | return retval; |
---|
472 | } |
---|
473 | else |
---|
474 | { |
---|
475 | retval = g_object_new (type, NULL); |
---|
476 | spi_base_construct (SPI_BASE (retval), G_OBJECT(o)); |
---|
477 | } |
---|
478 | |
---|
479 | g_hash_table_insert (get_public_refs (), o, retval); |
---|
480 | g_signal_connect (G_OBJECT (retval), "destroy", |
---|
481 | G_CALLBACK (de_register_public_ref), |
---|
482 | NULL); |
---|
483 | |
---|
484 | /* aggregate appropriate SPI interfaces based on ATK interfaces */ |
---|
485 | |
---|
486 | if (ATK_IS_ACTION (o)) |
---|
487 | { |
---|
488 | bonobo_object_add_interface (bonobo_object (retval), |
---|
489 | BONOBO_OBJECT (spi_action_interface_new (o))); |
---|
490 | } |
---|
491 | |
---|
492 | if (ATK_IS_COMPONENT (o)) |
---|
493 | { |
---|
494 | bonobo_object_add_interface (bonobo_object (retval), |
---|
495 | BONOBO_OBJECT (spi_component_interface_new (o))); |
---|
496 | } |
---|
497 | |
---|
498 | if (ATK_IS_EDITABLE_TEXT (o)) |
---|
499 | { |
---|
500 | bonobo_object_add_interface (bonobo_object (retval), |
---|
501 | BONOBO_OBJECT(spi_editable_text_interface_new (o))); |
---|
502 | } |
---|
503 | |
---|
504 | else if (ATK_IS_TEXT (o)) |
---|
505 | { |
---|
506 | bonobo_object_add_interface (bonobo_object (retval), |
---|
507 | BONOBO_OBJECT (spi_text_interface_new (o))); |
---|
508 | } |
---|
509 | |
---|
510 | if (ATK_IS_HYPERTEXT (o)) |
---|
511 | { |
---|
512 | bonobo_object_add_interface (bonobo_object (retval), |
---|
513 | BONOBO_OBJECT (spi_hypertext_interface_new (o))); |
---|
514 | } |
---|
515 | |
---|
516 | if (ATK_IS_IMAGE (o)) |
---|
517 | { |
---|
518 | bonobo_object_add_interface (bonobo_object (retval), |
---|
519 | BONOBO_OBJECT (spi_image_interface_new (o))); |
---|
520 | } |
---|
521 | |
---|
522 | if (ATK_IS_SELECTION (o)) |
---|
523 | { |
---|
524 | bonobo_object_add_interface (bonobo_object (retval), |
---|
525 | BONOBO_OBJECT (spi_selection_interface_new (o))); |
---|
526 | } |
---|
527 | |
---|
528 | if (ATK_IS_TABLE (o)) |
---|
529 | { |
---|
530 | bonobo_object_add_interface (bonobo_object (retval), |
---|
531 | BONOBO_OBJECT (spi_table_interface_new (o))); |
---|
532 | } |
---|
533 | |
---|
534 | if (ATK_IS_VALUE (o)) |
---|
535 | { |
---|
536 | bonobo_object_add_interface (bonobo_object (retval), |
---|
537 | BONOBO_OBJECT (spi_value_interface_new (o))); |
---|
538 | } |
---|
539 | |
---|
540 | return retval; |
---|
541 | } |
---|
542 | |
---|
543 | /** |
---|
544 | * spi_accessible_new_return: |
---|
545 | * @o: an AtkObject or NULL |
---|
546 | * @release_ref: whether to unref this AtkObject before return |
---|
547 | * @ev: a CORBA environment |
---|
548 | * |
---|
549 | * A helper function to instantiate a CORBA accessiblility |
---|
550 | * proxy from an AtkObject. |
---|
551 | * |
---|
552 | * Return value: the proxy or CORBA_OBJECT_NIL |
---|
553 | **/ |
---|
554 | Accessibility_Accessible |
---|
555 | spi_accessible_new_return (AtkObject *o, |
---|
556 | gboolean release_ref, |
---|
557 | CORBA_Environment *ev) |
---|
558 | { |
---|
559 | SpiAccessible *accessible; |
---|
560 | Accessibility_Accessible retval; |
---|
561 | |
---|
562 | if (!o) |
---|
563 | { |
---|
564 | return CORBA_OBJECT_NIL; |
---|
565 | } |
---|
566 | else if (SPI_IS_REMOTE_OBJECT (o)) |
---|
567 | { |
---|
568 | retval = spi_remote_object_get_accessible (SPI_REMOTE_OBJECT (o)); |
---|
569 | } |
---|
570 | else |
---|
571 | { |
---|
572 | accessible = spi_accessible_construct (SPI_ACCESSIBLE_TYPE, o); |
---|
573 | retval = CORBA_Object_duplicate (BONOBO_OBJREF (accessible), ev); |
---|
574 | } |
---|
575 | |
---|
576 | if (release_ref) |
---|
577 | { |
---|
578 | g_object_unref (G_OBJECT (o)); |
---|
579 | } |
---|
580 | |
---|
581 | return retval; |
---|
582 | } |
---|