1 /* AT-SPI - Assistive Technology Service Provider Interface
3 * (Gnome Accessibility Project; http://developer.gnome.org/projects/gap)
5 * Copyright 2001, 2003 Sun Microsystems Inc.,
6 * Copyright 2001, 2002 Ximian, Inc.
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, write to the
20 * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
21 * Boston, MA 02110-1301, USA.
24 /* deviceeventcontroller.c: implement the DeviceEventController interface */
30 #undef SPI_KEYEVENT_DEBUG
39 #include <dbus/dbus.h>
43 #include "marshal-dbus.h"
46 #include "deviceeventcontroller.h"
47 #include "introspection.h"
48 #include "reentrant-list.h"
51 #include "deviceeventcontroller-x11.h"
54 /* Our parent Gtk object type */
55 #define PARENT_TYPE G_TYPE_OBJECT
58 /* If we are using X11, SpiDEControllerPrivate is defined in deviceeventcontroller-x11.h.
59 * Otherwise, there is no private data and so we use a dummy struct.
60 * This is so that G_ADD_PRIVATE() will have a type to work with.
65 } SpiDEControllerPrivate;
74 static unsigned int key_modifier_mask =
75 SPI_KEYMASK_MOD1 | SPI_KEYMASK_MOD2 | SPI_KEYMASK_MOD3 | SPI_KEYMASK_MOD4 |
76 SPI_KEYMASK_MOD5 | SPI_KEYMASK_SHIFT | SPI_KEYMASK_SHIFTLOCK |
77 SPI_KEYMASK_CONTROL | SPI_KEYMASK_NUMLOCK;
78 unsigned int _numlock_physical_mask = SPI_KEYMASK_MOD2; /* a guess, will be reset */
83 guint pending_add : 1;
84 guint pending_remove : 1;
86 Accessibility_ControllerEventMask mod_mask;
87 dbus_uint32_t key_val; /* KeyCode */
88 } DEControllerGrabMask;
90 gboolean spi_controller_update_key_grabs (SpiDEController *controller,
91 Accessibility_DeviceEvent *recv);
93 static gboolean eventtype_seq_contains_event (dbus_uint32_t types,
94 const Accessibility_DeviceEvent *event);
95 static gboolean spi_dec_poll_mouse_moving (gpointer data);
96 static gboolean spi_dec_poll_mouse_idle (gpointer data);
98 G_DEFINE_TYPE_WITH_CODE (SpiDEController, spi_device_event_controller, G_TYPE_OBJECT, G_ADD_PRIVATE (SpiDEController))
101 spi_dec_plat_get_keycode (SpiDEController *controller,
107 SpiDEControllerClass *klass;
108 klass = SPI_DEVICE_EVENT_CONTROLLER_GET_CLASS (controller);
109 if (klass->plat.get_keycode)
110 return klass->plat.get_keycode (controller, keysym, key_str, fix, modmask);
122 spi_dec_plat_mouse_check (SpiDEController *controller,
127 SpiDEControllerClass *klass;
128 klass = SPI_DEVICE_EVENT_CONTROLLER_GET_CLASS (controller);
129 if (klass->plat.mouse_check)
130 return klass->plat.mouse_check (controller, x, y, moved);
142 spi_dec_plat_grab_key (SpiDEController *controller, guint key_val, Accessibility_ControllerEventMask mod_mask)
144 SpiDEControllerClass *klass;
145 klass = SPI_DEVICE_EVENT_CONTROLLER_GET_CLASS (controller);
146 if (klass->plat.grab_key)
147 return klass->plat.grab_key (controller, key_val, mod_mask);
153 spi_dec_plat_ungrab_key (SpiDEController *controller, guint key_val, Accessibility_ControllerEventMask mod_mask)
155 SpiDEControllerClass *klass;
156 klass = SPI_DEVICE_EVENT_CONTROLLER_GET_CLASS (controller);
157 if (klass->plat.ungrab_key)
158 klass->plat.ungrab_key (controller, key_val, mod_mask);
162 spi_dec_plat_synth_keycode_press (SpiDEController *controller,
163 unsigned int keycode)
165 SpiDEControllerClass *klass;
166 klass = SPI_DEVICE_EVENT_CONTROLLER_GET_CLASS (controller);
167 if (klass->plat.synth_keycode_press)
168 return klass->plat.synth_keycode_press (controller, keycode);
174 spi_dec_plat_synth_keycode_release (SpiDEController *controller,
175 unsigned int keycode)
177 SpiDEControllerClass *klass;
178 klass = SPI_DEVICE_EVENT_CONTROLLER_GET_CLASS (controller);
179 if (klass->plat.synth_keycode_release)
180 return klass->plat.synth_keycode_release (controller, keycode);
186 spi_dec_plat_lock_modifiers (SpiDEController *controller, unsigned modifiers)
188 SpiDEControllerClass *klass;
189 klass = SPI_DEVICE_EVENT_CONTROLLER_GET_CLASS (controller);
190 if (klass->plat.lock_modifiers)
191 return klass->plat.lock_modifiers (controller, modifiers);
197 spi_dec_plat_unlock_modifiers (SpiDEController *controller, unsigned modifiers)
199 SpiDEControllerClass *klass;
200 klass = SPI_DEVICE_EVENT_CONTROLLER_GET_CLASS (controller);
201 if (klass->plat.unlock_modifiers)
202 return klass->plat.unlock_modifiers (controller, modifiers);
208 spi_dec_plat_synth_keystring (SpiDEController *controller, guint synth_type, gint keycode, const char *keystring)
210 SpiDEControllerClass *klass;
211 klass = SPI_DEVICE_EVENT_CONTROLLER_GET_CLASS (controller);
212 if (klass->plat.synth_keystring)
213 return klass->plat.synth_keystring (controller, synth_type, keycode, keystring);
219 spi_dec_plat_emit_modifier_event (SpiDEController *controller, guint prev_mask, guint current_mask)
221 SpiDEControllerClass *klass;
222 klass = SPI_DEVICE_EVENT_CONTROLLER_GET_CLASS (controller);
223 if (klass->plat.emit_modifier_event)
224 klass->plat.emit_modifier_event (controller, prev_mask, current_mask);
228 spi_dec_plat_generate_mouse_event (SpiDEController *controller,
231 const char *eventName)
233 SpiDEControllerClass *klass;
234 klass = SPI_DEVICE_EVENT_CONTROLLER_GET_CLASS (controller);
235 if (klass->plat.generate_mouse_event)
236 klass->plat.generate_mouse_event (controller, x, y, eventName);
240 invalid_arguments_error (DBusMessage *message)
245 errmsg = g_strdup_printf (
246 "Method \"%s\" with signature \"%s\" on interface \"%s\" was supplied with invalid arguments\n",
247 dbus_message_get_member (message),
248 dbus_message_get_signature (message),
249 dbus_message_get_interface (message));
250 reply = dbus_message_new_error (message,
251 DBUS_ERROR_INVALID_ARGS,
257 /* Private methods */
259 spi_dbus_add_disconnect_match (DBusConnection *bus, const char *name)
261 char *match = g_strdup_printf ("interface=%s,member=NameOwnerChanged,arg0=%s", DBUS_INTERFACE_DBUS, name);
263 dbus_error_init (&error);
264 dbus_bus_add_match (bus, match, &error);
266 if (dbus_error_is_set (&error))
268 dbus_error_free (&error);
278 spi_dbus_remove_disconnect_match (DBusConnection *bus, const char *name)
280 char *match = g_strdup_printf ("interface=%s,member=NameOwnerChanged,arg0=%s", DBUS_INTERFACE_DBUS, name);
284 dbus_error_init (&error);
285 dbus_bus_remove_match (bus, match, &error);
287 if (dbus_error_is_set (&error))
289 dbus_error_free (&error);
301 static DEControllerGrabMask *
302 spi_grab_mask_clone (DEControllerGrabMask *grab_mask)
304 DEControllerGrabMask *clone = g_new (DEControllerGrabMask, 1);
306 memcpy (clone, grab_mask, sizeof (DEControllerGrabMask));
308 clone->ref_count = 1;
309 clone->pending_add = TRUE;
310 clone->pending_remove = FALSE;
316 spi_grab_mask_free (DEControllerGrabMask *grab_mask)
322 spi_grab_mask_compare_values (gconstpointer p1, gconstpointer p2)
324 DEControllerGrabMask *l1 = (DEControllerGrabMask *) p1;
325 DEControllerGrabMask *l2 = (DEControllerGrabMask *) p2;
333 return ((l1->mod_mask != l2->mod_mask) || (l1->key_val != l2->key_val));
338 spi_dec_dbus_emit (SpiDEController *controller, const char *interface, const char *name, const char *minor, int a1, int a2)
340 DBusMessage *signal = NULL;
341 DBusMessageIter iter, iter_dict, iter_variant;
343 const char *path = SPI_DBUS_PATH_ROOT;
345 signal = dbus_message_new_signal (path, interface, name);
347 dbus_message_iter_init_append (signal, &iter);
349 dbus_message_iter_append_basic (&iter, DBUS_TYPE_STRING, &minor);
350 dbus_message_iter_append_basic (&iter, DBUS_TYPE_INT32, &a1);
351 dbus_message_iter_append_basic (&iter, DBUS_TYPE_INT32, &a2);
352 dbus_message_iter_open_container (&iter, DBUS_TYPE_VARIANT, "i", &iter_variant);
353 dbus_message_iter_append_basic (&iter_variant, DBUS_TYPE_INT32, &nil);
354 dbus_message_iter_close_container (&iter, &iter_variant);
356 dbus_message_iter_open_container (&iter, DBUS_TYPE_ARRAY, "{sv}", &iter_dict);
357 dbus_message_iter_close_container (&iter, &iter_dict);
359 dbus_connection_send (controller->bus, signal, NULL);
360 dbus_message_unref (signal);
364 spi_dec_poll_mouse_moved (gpointer data)
366 SpiDEController *controller = SPI_DEVICE_EVENT_CONTROLLER (data);
371 mask_return = spi_dec_plat_mouse_check (controller, &x, &y, &moved);
373 if ((mask_return & key_modifier_mask) !=
374 (controller->mouse_mask_state & key_modifier_mask))
376 spi_dec_plat_emit_modifier_event (controller, controller->mouse_mask_state, mask_return);
377 controller->mouse_mask_state = mask_return;
384 spi_dec_poll_mouse_idle (gpointer data)
386 SpiDEController *controller = SPI_DEVICE_EVENT_CONTROLLER (data);
388 if (!controller->have_mouse_event_listener)
390 else if (!spi_dec_poll_mouse_moved (controller))
395 id = g_timeout_add (20, spi_dec_poll_mouse_moving, controller);
396 g_source_set_name_by_id (id, "[at-spi2-core] spi_dec_poll_mouse_moving");
402 spi_dec_poll_mouse_moving (gpointer data)
404 SpiDEController *controller = SPI_DEVICE_EVENT_CONTROLLER (data);
406 if (!controller->have_mouse_event_listener)
408 else if (spi_dec_poll_mouse_moved (controller))
413 id = g_timeout_add (100, spi_dec_poll_mouse_idle, controller);
414 g_source_set_name_by_id (id, "[at-spi2-core] check_release");
420 * Eventually we can use this to make the marshalling of mask types
421 * more sane, but for now we just use this to detect
422 * the use of 'virtual' masks such as numlock and convert them to
423 * system-specific mask values (i.e. ModMask).
426 static Accessibility_ControllerEventMask
427 spi_dec_translate_mask (Accessibility_ControllerEventMask mask)
429 Accessibility_ControllerEventMask tmp_mask;
430 gboolean has_numlock;
432 has_numlock = (mask & SPI_KEYMASK_NUMLOCK);
436 tmp_mask = mask ^ SPI_KEYMASK_NUMLOCK;
437 tmp_mask |= _numlock_physical_mask;
443 static DEControllerKeyListener *
444 spi_dec_key_listener_new (const char *bus_name,
447 const Accessibility_ControllerEventMask mask,
448 const dbus_uint32_t types,
449 const Accessibility_EventListenerMode *mode)
451 DEControllerKeyListener *key_listener = g_new0 (DEControllerKeyListener, 1);
452 key_listener->listener.bus_name = g_strdup (bus_name);
453 key_listener->listener.path = g_strdup (path);
454 key_listener->listener.type = SPI_DEVICE_TYPE_KBD;
455 key_listener->keys = keys;
456 key_listener->mask = spi_dec_translate_mask (mask);
457 key_listener->listener.types = types;
460 key_listener->mode = (Accessibility_EventListenerMode *) g_malloc (sizeof (Accessibility_EventListenerMode));
461 memcpy (key_listener->mode, mode, sizeof (*mode));
464 key_listener->mode = NULL;
467 g_print ("new listener, with mask %x, is_global %d, keys %p (%d)\n",
468 (unsigned int) key_listener->mask,
469 (int) (mode ? mode->global : 0),
470 (void *) key_listener->keys,
471 (int) (key_listener->keys ? g_slist_length (key_listener->keys) : 0));
478 keylist_clone (GSList *s)
483 for (l = s; l; l = g_slist_next (l))
485 Accessibility_KeyDefinition *kd = (Accessibility_KeyDefinition *) g_malloc (sizeof (Accessibility_KeyDefinition));
488 Accessibility_KeyDefinition *kds = (Accessibility_KeyDefinition *) l->data;
489 kd->keycode = kds->keycode;
490 kd->keysym = kds->keysym;
491 kd->keystring = g_strdup (kds->keystring);
492 d = g_slist_append (d, kd);
498 static DEControllerKeyListener *
499 spi_key_listener_clone (DEControllerKeyListener *key_listener)
501 DEControllerKeyListener *clone = g_new0 (DEControllerKeyListener, 1);
502 clone->listener.bus_name = g_strdup (key_listener->listener.bus_name);
503 clone->listener.path = g_strdup (key_listener->listener.path);
504 clone->listener.type = SPI_DEVICE_TYPE_KBD;
505 clone->keys = keylist_clone (key_listener->keys);
506 clone->mask = key_listener->mask;
507 clone->listener.types = key_listener->listener.types;
508 if (key_listener->mode)
510 clone->mode = (Accessibility_EventListenerMode *) g_malloc (sizeof (Accessibility_EventListenerMode));
512 memcpy (clone->mode, key_listener->mode, sizeof (Accessibility_EventListenerMode));
520 keylist_free (GSList *keys)
524 for (l = keys; l; l = g_slist_next (l))
526 Accessibility_KeyDefinition *kd = (Accessibility_KeyDefinition *) l->data;
527 g_free (kd->keystring);
534 spi_key_listener_data_free (DEControllerKeyListener *key_listener)
536 keylist_free (key_listener->keys);
537 if (key_listener->mode)
538 g_free (key_listener->mode);
539 g_free (key_listener->listener.bus_name);
540 g_free (key_listener->listener.path);
541 g_free (key_listener);
545 spi_key_listener_clone_free (DEControllerKeyListener *clone)
547 spi_key_listener_data_free (clone);
551 spi_dec_listener_free (DEControllerListener *listener)
553 if (listener->type == SPI_DEVICE_TYPE_KBD)
554 spi_key_listener_data_free ((DEControllerKeyListener *) listener);
557 g_free (listener->bus_name);
558 g_free (listener->path);
563 _register_keygrab (SpiDEController *controller,
564 DEControllerGrabMask *grab_mask)
568 l = g_list_find_custom (controller->keygrabs_list, grab_mask,
569 spi_grab_mask_compare_values);
572 DEControllerGrabMask *cur_mask = l->data;
574 cur_mask->ref_count++;
575 if (cur_mask->pending_remove)
577 cur_mask->pending_remove = FALSE;
582 controller->keygrabs_list =
583 g_list_prepend (controller->keygrabs_list,
584 spi_grab_mask_clone (grab_mask));
589 _deregister_keygrab (SpiDEController *controller,
590 DEControllerGrabMask *grab_mask)
594 l = g_list_find_custom (controller->keygrabs_list, grab_mask,
595 spi_grab_mask_compare_values);
599 DEControllerGrabMask *cur_mask = l->data;
601 cur_mask->ref_count--;
602 if (cur_mask->ref_count <= 0)
604 cur_mask->pending_remove = TRUE;
610 handle_keygrab (SpiDEController *controller,
611 DEControllerKeyListener *key_listener,
612 void (*process_cb) (SpiDEController *controller,
613 DEControllerGrabMask *grab_mask))
615 DEControllerGrabMask grab_mask = { 0 };
617 grab_mask.mod_mask = key_listener->mask;
618 if (g_slist_length (key_listener->keys) == 0) /* special case means AnyKey/AllKeys */
620 grab_mask.key_val = 0L; /* AnyKey */
622 fprintf (stderr, "AnyKey grab!");
624 process_cb (controller, &grab_mask);
630 for (l = key_listener->keys; l; l = g_slist_next (l))
632 Accessibility_KeyDefinition *keydef = l->data;
634 key_val = spi_dec_plat_get_keycode (controller, keydef->keysym, keydef->keystring, FALSE, NULL);
636 key_val = keydef->keycode;
637 grab_mask.key_val = key_val;
638 process_cb (controller, &grab_mask);
644 spi_controller_register_global_keygrabs (SpiDEController *controller,
645 DEControllerKeyListener *key_listener)
647 handle_keygrab (controller, key_listener, _register_keygrab);
648 return spi_controller_update_key_grabs (controller, NULL);
652 spi_controller_deregister_global_keygrabs (SpiDEController *controller,
653 DEControllerKeyListener *key_listener)
655 handle_keygrab (controller, key_listener, _deregister_keygrab);
656 spi_controller_update_key_grabs (controller, NULL);
660 append_keystroke_listener (DBusMessageIter *iter, DEControllerKeyListener *listener)
662 dbus_uint32_t d_uint;
663 DBusMessageIter iter_struct, iter_subarray, iter_substruct;
666 if (!dbus_message_iter_open_container (iter, DBUS_TYPE_STRUCT, NULL,
670 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_STRING,
671 &listener->listener.bus_name);
672 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_OBJECT_PATH,
673 &listener->listener.path);
674 d_uint = listener->listener.type;
675 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_UINT32, &d_uint);
676 d_uint = listener->listener.types;
677 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_UINT32, &d_uint);
678 if (!dbus_message_iter_open_container (&iter_struct, DBUS_TYPE_ARRAY,
679 "(iisi)", &iter_subarray))
681 dbus_message_iter_close_container (iter, &iter_struct);
684 for (kl = listener->keys; kl; kl = kl->next)
686 Accessibility_KeyDefinition *kd = kl->data;
687 if (!dbus_message_iter_open_container (&iter_subarray, DBUS_TYPE_STRUCT,
688 NULL, &iter_substruct))
690 dbus_message_iter_append_basic (&iter_substruct, DBUS_TYPE_INT32, &kd->keycode);
691 dbus_message_iter_append_basic (&iter_substruct, DBUS_TYPE_INT32, &kd->keysym);
692 dbus_message_iter_append_basic (&iter_substruct, DBUS_TYPE_STRING, &kd->keystring);
693 dbus_message_iter_append_basic (&iter_substruct, DBUS_TYPE_INT32, &kd->unused);
694 dbus_message_iter_close_container (&iter_subarray, &iter_substruct);
696 dbus_message_iter_close_container (&iter_struct, &iter_subarray);
697 d_uint = listener->mask;
698 dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_UINT32, &d_uint);
699 if (dbus_message_iter_open_container (&iter_struct, DBUS_TYPE_STRUCT,
700 NULL, &iter_substruct))
704 dbus_message_iter_append_basic (&iter_substruct, DBUS_TYPE_BOOLEAN,
705 &listener->mode->synchronous);
706 dbus_message_iter_append_basic (&iter_substruct, DBUS_TYPE_BOOLEAN,
707 &listener->mode->preemptive);
708 dbus_message_iter_append_basic (&iter_substruct, DBUS_TYPE_BOOLEAN,
709 &listener->mode->global);
713 dbus_bool_t dummy_val = FALSE;
714 dbus_message_iter_append_basic (&iter_substruct, DBUS_TYPE_BOOLEAN,
716 dbus_message_iter_append_basic (&iter_substruct, DBUS_TYPE_BOOLEAN,
718 dbus_message_iter_append_basic (&iter_substruct, DBUS_TYPE_BOOLEAN,
721 dbus_message_iter_close_container (&iter_struct, &iter_substruct);
723 dbus_message_iter_close_container (iter, &iter_struct);
727 notify_keystroke_listener (SpiDEController *controller,
728 DEControllerKeyListener *listener,
731 const char *path = SPI_DBUS_PATH_DEC;
732 const char *interface = SPI_DBUS_INTERFACE_DEVICE_EVENT_LISTENER;
733 const char *name = (enable
734 ? "KeystrokeListenerRegistered"
735 : "KeystrokeListenerDeregistered");
737 DBusMessageIter iter;
739 signal = dbus_message_new_signal (path, interface, name);
742 dbus_message_iter_init_append (signal, &iter);
743 append_keystroke_listener (&iter, listener);
744 dbus_connection_send (controller->bus, signal, NULL);
745 dbus_message_unref (signal);
749 spi_controller_register_device_listener (SpiDEController *controller,
750 DEControllerListener *listener)
752 DEControllerKeyListener *key_listener;
755 switch (listener->type)
757 case SPI_DEVICE_TYPE_KBD:
758 key_listener = (DEControllerKeyListener *) listener;
760 controller->key_listeners = g_list_prepend (controller->key_listeners,
762 spi_dbus_add_disconnect_match (controller->bus, key_listener->listener.bus_name);
763 if (key_listener->mode->global)
765 retval = spi_controller_register_global_keygrabs (controller, key_listener);
770 notify_keystroke_listener (controller, key_listener, TRUE);
773 g_assert_not_reached ();
780 set_reply (DBusPendingCall *pending, void *user_data)
782 void **replyptr = (void **) user_data;
784 *replyptr = dbus_pending_call_steal_reply (pending);
787 static GSList *hung_processes = NULL;
790 reset_hung_process (DBusPendingCall *pending, void *data)
792 DBusMessage *message = data;
793 const char *dest = dbus_message_get_destination (message);
796 /* At this point we don't care about the result */
797 dbus_pending_call_unref (pending);
799 for (l = hung_processes; l; l = l->next)
801 if (!strcmp (l->data, dest))
803 gpointer l_data = l->data;
804 hung_processes = g_slist_remove (hung_processes, l_data);
812 time_elapsed (struct timeval *origin)
816 gettimeofday (&tv, NULL);
817 return (tv.tv_sec - origin->tv_sec) * 1000 + (tv.tv_usec - origin->tv_usec) / 1000;
821 reset_hung_process_from_ping (DBusPendingCall *pending, void *data)
825 for (l = hung_processes; l; l = l->next)
827 if (!strcmp (l->data, data))
829 gpointer l_data = l->data;
830 hung_processes = g_slist_remove (hung_processes, l_data);
836 dbus_pending_call_unref (pending);
840 send_and_allow_reentry (DBusConnection *bus, DBusMessage *message, int timeout, DBusError *error)
842 DBusPendingCall *pending;
843 DBusMessage *reply = NULL;
846 if (!dbus_connection_send_with_reply (bus, message, &pending, -1))
850 dbus_pending_call_set_notify (pending, set_reply, (void *) &reply, NULL);
851 gettimeofday (&tv, NULL);
854 if (!dbus_connection_read_write_dispatch (bus, timeout) ||
855 time_elapsed (&tv) > timeout)
857 const char *dest = dbus_message_get_destination (message);
860 dbus_message_ref (message);
861 dbus_pending_call_set_notify (pending, reset_hung_process, message,
862 (DBusFreeFunction) dbus_message_unref);
863 message = dbus_message_new_method_call (dest, "/",
864 "org.freedesktop.DBus.Peer",
868 dbus_connection_send_with_reply (bus, message, &pending, -1);
869 dbus_message_unref (message);
872 bus_name_dup = g_strdup (dest);
873 dbus_pending_call_set_notify (pending, reset_hung_process_from_ping,
875 for (l = hung_processes; l; l = l->next)
876 if (!strcmp (l->data, dest))
878 hung_processes = g_slist_prepend (hung_processes, g_strdup (dest));
882 dbus_pending_call_unref (pending);
886 Accessibility_DeviceEventListener_NotifyEvent (SpiDEController *controller,
887 DEControllerListener *listener,
888 const Accessibility_DeviceEvent *key_event)
890 DBusMessage *message = dbus_message_new_method_call (listener->bus_name,
892 SPI_DBUS_INTERFACE_DEVICE_EVENT_LISTENER,
894 dbus_bool_t consumed = FALSE;
896 gboolean hung = FALSE;
898 for (l = hung_processes; l; l = l->next)
900 if (!strcmp (l->data, listener->bus_name))
902 dbus_message_set_no_reply (message, TRUE);
908 if (spi_dbus_marshal_deviceEvent (message, key_event))
914 dbus_connection_send (controller->bus, message, NULL);
915 dbus_message_unref (message);
919 reply = send_and_allow_reentry (controller->bus, message, 3000, NULL);
922 dbus_message_get_args (reply, NULL, DBUS_TYPE_BOOLEAN, &consumed, DBUS_TYPE_INVALID);
923 dbus_message_unref (reply);
926 dbus_message_unref (message);
931 key_set_contains_key (GSList *key_set,
932 const Accessibility_DeviceEvent *key_event)
941 g_print ("null key set!\n");
946 len = g_slist_length (key_set);
948 if (len == 0) /* special case, means "all keys/any key" */
951 g_print ("anykey\n");
956 for (l = key_set, i = 0; l; l = g_slist_next (l), i++)
958 Accessibility_KeyDefinition *kd = l->data;
959 #ifdef SPI_KEYEVENT_DEBUG
960 g_print ("key_set[%d] event = %d, code = %d; key_event %d, code %d, string %s\n",
965 (int) key_event->hw_code,
966 key_event->event_string);
968 if (kd->keysym == (dbus_uint32_t) key_event->id)
972 if (kd->keycode == (dbus_uint32_t) key_event->hw_code)
976 if (key_event->event_string && key_event->event_string[0] &&
977 !strcmp (kd->keystring, key_event->event_string))
987 eventtype_seq_contains_event (dbus_uint32_t types,
988 const Accessibility_DeviceEvent *event)
990 if (types == 0) /* special case, means "all events/any event" */
995 return (types & (1 << event->type));
999 spi_key_event_matches_listener (const Accessibility_DeviceEvent *key_event,
1000 DEControllerKeyListener *listener,
1001 dbus_bool_t is_system_global)
1003 if (((key_event->modifiers & 0xFF) == (dbus_uint16_t) (listener->mask & 0xFF)) &&
1004 key_set_contains_key (listener->keys, key_event) &&
1005 eventtype_seq_contains_event (listener->listener.types, key_event) &&
1006 (is_system_global == listener->mode->global))
1017 spi_controller_notify_keylisteners (SpiDEController *controller,
1018 Accessibility_DeviceEvent *key_event,
1019 dbus_bool_t is_system_global)
1022 GSList *notify = NULL, *l2;
1023 GList **key_listeners = &controller->key_listeners;
1024 gboolean is_consumed;
1031 /* set the NUMLOCK event mask bit if appropriate: see bug #143702 */
1032 if (key_event->modifiers & _numlock_physical_mask)
1033 key_event->modifiers |= SPI_KEYMASK_NUMLOCK;
1035 for (l = *key_listeners; l; l = l->next)
1037 DEControllerKeyListener *key_listener = l->data;
1039 if (spi_key_event_matches_listener (key_event, key_listener, is_system_global))
1041 /* we clone (don't dup) the listener, to avoid refcount inc. */
1042 notify = g_slist_prepend (notify,
1043 spi_key_listener_clone (key_listener));
1047 #ifdef SPI_KEYEVENT_DEBUG
1050 g_print ("no match for event\n");
1054 is_consumed = FALSE;
1055 for (l2 = notify; l2 && !is_consumed; l2 = l2->next)
1057 DEControllerKeyListener *key_listener = l2->data;
1059 is_consumed = Accessibility_DeviceEventListener_NotifyEvent (controller, &key_listener->listener, key_event) &&
1060 key_listener->mode->preemptive;
1062 spi_key_listener_clone_free (key_listener);
1065 for (; l2; l2 = l2->next)
1067 DEControllerKeyListener *key_listener = l2->data;
1068 spi_key_listener_clone_free (key_listener);
1069 /* clone doesn't have its own ref, so don't use spi_dec_listener_free */
1072 g_slist_free (notify);
1076 g_message ("consumed\n");
1082 spi_controller_update_key_grabs (SpiDEController *controller,
1083 Accessibility_DeviceEvent *recv)
1086 gboolean update_failed = FALSE;
1089 g_return_val_if_fail (controller != NULL, FALSE);
1092 * masks known to work with default RH 7.1+:
1093 * 0 (no mods), LockMask, Mod1Mask, Mod2Mask, ShiftMask,
1094 * ShiftMask|LockMask, Mod1Mask|LockMask, Mod2Mask|LockMask,
1095 * ShiftMask|Mod1Mask, ShiftMask|Mod2Mask, Mod1Mask|Mod2Mask,
1096 * ShiftMask|LockMask|Mod1Mask, ShiftMask|LockMask|Mod2Mask,
1098 * ControlMask grabs are broken, must be in use already
1101 keycode = spi_dec_plat_get_keycode (controller, recv->id, NULL, TRUE, NULL);
1102 for (l = controller->keygrabs_list; l; l = next)
1105 gboolean re_issue_grab;
1106 DEControllerGrabMask *grab_mask = l->data;
1110 re_issue_grab = recv &&
1111 (recv->modifiers & grab_mask->mod_mask) &&
1112 (grab_mask->key_val == keycode);
1115 fprintf (stderr, "mask=%lx %lx (%c%c) %s\n",
1116 (long int) grab_mask->key_val,
1117 (long int) grab_mask->mod_mask,
1118 grab_mask->pending_add ? '+' : '.',
1119 grab_mask->pending_remove ? '-' : '.',
1120 re_issue_grab ? "re-issue" : "");
1125 if (grab_mask->pending_add && grab_mask->pending_remove)
1129 else if (grab_mask->pending_remove)
1132 fprintf (stderr, "ungrabbing, mask=%x\n", grab_mask->mod_mask);
1134 spi_dec_plat_ungrab_key (controller,
1136 grab_mask->mod_mask);
1140 else if (grab_mask->pending_add || re_issue_grab)
1144 fprintf (stderr, "grab %d with mask %x\n", grab_mask->key_val, grab_mask->mod_mask);
1146 update_failed = spi_dec_plat_grab_key (controller,
1148 grab_mask->mod_mask);
1151 while (grab_mask->ref_count > 0)
1152 --grab_mask->ref_count;
1157 grab_mask->pending_add = FALSE;
1158 grab_mask->pending_remove = FALSE;
1162 g_assert (grab_mask->ref_count <= 0);
1164 controller->keygrabs_list = g_list_delete_link (
1165 controller->keygrabs_list, l);
1167 spi_grab_mask_free (grab_mask);
1171 return !update_failed;
1175 * Implemented GObject::finalize
1178 spi_device_event_controller_object_finalize (GObject *object)
1180 SpiDEController *controller;
1181 GObjectClass *parent_class = G_OBJECT_CLASS (spi_device_event_controller_parent_class);
1182 SpiDEControllerClass *klass;
1184 controller = SPI_DEVICE_EVENT_CONTROLLER (object);
1185 klass = SPI_DEVICE_EVENT_CONTROLLER_GET_CLASS (controller);
1187 fprintf (stderr, "spi_device_event_controller_object_finalize called\n");
1189 if (klass->plat.finalize)
1190 klass->plat.finalize (controller);
1192 parent_class->finalize (object);
1196 * DBus Accessibility::DEController::RegisterKeystrokeListener
1197 * method implementation
1199 static DBusMessage *
1200 impl_register_keystroke_listener (DBusMessage *message, SpiDEController *controller)
1202 DEControllerKeyListener *dec_listener;
1203 DBusMessageIter iter, iter_array;
1205 GSList *keys = NULL;
1206 dbus_int32_t mask, types;
1207 Accessibility_EventListenerMode *mode;
1209 DBusMessage *reply = NULL;
1212 if (strcmp (dbus_message_get_signature (message), "oa(iisi)uu(bbb)") != 0)
1213 return invalid_arguments_error (message);
1215 dbus_message_iter_init (message, &iter);
1216 dbus_message_iter_get_basic (&iter, &path);
1217 dbus_message_iter_next (&iter);
1218 dbus_message_iter_recurse (&iter, &iter_array);
1219 while (dbus_message_iter_get_arg_type (&iter_array) != DBUS_TYPE_INVALID)
1221 Accessibility_KeyDefinition *kd = (Accessibility_KeyDefinition *) g_malloc (sizeof (Accessibility_KeyDefinition));
1222 if (!spi_dbus_message_iter_get_struct (&iter_array, DBUS_TYPE_INT32, &kd->keycode, DBUS_TYPE_INT32, &kd->keysym, DBUS_TYPE_STRING, &keystring, DBUS_TYPE_INVALID))
1227 kd->keystring = g_strdup (keystring);
1228 keys = g_slist_append (keys, kd);
1230 dbus_message_iter_next (&iter);
1231 dbus_message_iter_get_basic (&iter, &mask);
1232 dbus_message_iter_next (&iter);
1233 dbus_message_iter_get_basic (&iter, &types);
1234 dbus_message_iter_next (&iter);
1235 mode = g_new0 (Accessibility_EventListenerMode, 1);
1236 spi_dbus_message_iter_get_struct (&iter, DBUS_TYPE_BOOLEAN, &mode->synchronous, DBUS_TYPE_BOOLEAN, &mode->preemptive, DBUS_TYPE_BOOLEAN, &mode->global, DBUS_TYPE_INVALID);
1239 fprintf (stderr, "registering keystroke listener %s:%s with maskVal %lu\n",
1240 dbus_message_get_sender (message), path, (unsigned long) mask);
1242 dec_listener = spi_dec_key_listener_new (dbus_message_get_sender (message), path, keys, mask, types, mode);
1244 ret = spi_controller_register_device_listener (
1245 controller, (DEControllerListener *) dec_listener);
1246 reply = dbus_message_new_method_return (message);
1249 dbus_message_append_args (reply, DBUS_TYPE_BOOLEAN, &ret, DBUS_TYPE_INVALID);
1256 DBusConnection *bus;
1257 DEControllerListener *listener;
1258 } RemoveListenerClosure;
1260 static SpiReEntrantContinue
1261 remove_listener_cb (GList *const *list,
1264 DEControllerListener *listener = (*list)->data;
1265 RemoveListenerClosure *ctx = user_data;
1267 if (!strcmp (ctx->listener->bus_name, listener->bus_name) &&
1268 !strcmp (ctx->listener->path, listener->path))
1270 spi_re_entrant_list_delete_link (list);
1271 spi_dbus_remove_disconnect_match (ctx->bus, listener->bus_name);
1272 spi_dec_listener_free (listener);
1275 return SPI_RE_ENTRANT_CONTINUE;
1278 static SpiReEntrantContinue
1279 copy_key_listener_cb (GList *const *list,
1282 DEControllerKeyListener *key_listener = (*list)->data;
1283 RemoveListenerClosure *ctx = user_data;
1285 if (!strcmp (ctx->listener->bus_name, key_listener->listener.bus_name) &&
1286 !strcmp (ctx->listener->path, key_listener->listener.path))
1288 /* TODO: FIXME aggregate keys in case the listener is registered twice */
1289 DEControllerKeyListener *ctx_key_listener =
1290 (DEControllerKeyListener *) ctx->listener;
1291 keylist_free (ctx_key_listener->keys);
1292 ctx_key_listener->keys = keylist_clone (key_listener->keys);
1295 return SPI_RE_ENTRANT_CONTINUE;
1299 spi_deregister_controller_key_listener (SpiDEController *controller,
1300 DEControllerKeyListener *key_listener)
1302 RemoveListenerClosure ctx;
1304 ctx.bus = controller->bus;
1305 ctx.listener = (DEControllerListener *) spi_key_listener_clone (key_listener);
1307 notify_keystroke_listener (controller, key_listener, FALSE);
1309 /* special case, copy keyset from existing controller list entry */
1310 if (g_slist_length (key_listener->keys) == 0)
1312 spi_re_entrant_list_foreach (&controller->key_listeners,
1313 copy_key_listener_cb, &ctx);
1316 spi_controller_deregister_global_keygrabs (controller, key_listener);
1318 spi_re_entrant_list_foreach (&controller->key_listeners,
1319 remove_listener_cb, &ctx);
1321 spi_key_listener_clone_free ((DEControllerKeyListener *) ctx.listener);
1325 spi_remove_device_listeners (SpiDEController *controller, const char *bus_name)
1329 for (l = controller->key_listeners; l; l = tmp)
1331 DEControllerKeyListener *key_listener = l->data;
1333 if (!strcmp (key_listener->listener.bus_name, bus_name))
1335 /* TODO: untangle the below line(s) */
1336 spi_deregister_controller_key_listener (controller, key_listener);
1337 tmp = controller->key_listeners;
1343 * DBus Accessibility::DEController::DeregisterKeystrokeListener
1344 * method implementation
1346 static DBusMessage *
1347 impl_deregister_keystroke_listener (DBusMessage *message, SpiDEController *controller)
1349 DEControllerKeyListener *key_listener;
1350 DBusMessageIter iter, iter_array;
1352 GSList *keys = NULL;
1353 dbus_int32_t mask, type;
1354 DBusMessage *reply = NULL;
1356 dbus_message_iter_init (message, &iter);
1357 if (strcmp (dbus_message_get_signature (message), "oa(iisi)uu") != 0)
1359 g_warning ("Received DeregisterKeystrokeListener with strange signature '%s'", dbus_message_get_signature (message));
1360 return invalid_arguments_error (message);
1363 dbus_message_iter_get_basic (&iter, &path);
1364 dbus_message_iter_next (&iter);
1365 dbus_message_iter_recurse (&iter, &iter_array);
1366 while (dbus_message_iter_get_arg_type (&iter_array) != DBUS_TYPE_INVALID)
1368 Accessibility_KeyDefinition *kd = (Accessibility_KeyDefinition *) g_malloc (sizeof (Accessibility_KeyDefinition));
1371 if (!spi_dbus_message_iter_get_struct (&iter_array, DBUS_TYPE_INT32, &kd->keycode, DBUS_TYPE_INT32, &kd->keysym, DBUS_TYPE_STRING, &keystring, DBUS_TYPE_INVALID))
1376 kd->keystring = g_strdup (keystring);
1377 keys = g_slist_append (keys, kd);
1379 dbus_message_iter_next (&iter);
1380 dbus_message_iter_get_basic (&iter, &mask);
1381 dbus_message_iter_next (&iter);
1382 dbus_message_iter_get_basic (&iter, &type);
1383 dbus_message_iter_next (&iter);
1384 key_listener = spi_dec_key_listener_new (dbus_message_get_sender (message), path, keys, mask, type, NULL);
1385 #ifdef SPI_DEREGISTER_DEBUG
1386 fprintf (stderr, "deregistering keystroke listener %p with maskVal %lu\n",
1387 (void *) l, (unsigned long) mask->value);
1390 spi_deregister_controller_key_listener (controller, key_listener);
1392 spi_dec_listener_free ((DEControllerListener *) key_listener);
1393 reply = dbus_message_new_method_return (message);
1397 static DBusMessage *
1398 impl_get_keystroke_listeners (DBusMessage *message, SpiDEController *controller)
1400 DBusMessageIter iter, iter_array;
1401 DBusMessage *reply = dbus_message_new_method_return (message);
1407 dbus_message_iter_init_append (reply, &iter);
1408 dbus_message_iter_open_container (&iter, DBUS_TYPE_ARRAY,
1409 "(souua(iisi)u(bbb))", &iter_array);
1410 for (l = controller->key_listeners; l; l = l->next)
1412 append_keystroke_listener (&iter_array, l->data);
1414 dbus_message_iter_close_container (&iter, &iter_array);
1419 get_modifier_state (SpiDEController *controller)
1421 spi_dec_poll_mouse_moved (controller);
1422 return controller->mouse_mask_state;
1426 spi_dec_synth_keysym (SpiDEController *controller, long keysym)
1428 long key_synth_code;
1429 unsigned int modifiers, synth_mods, lock_mods;
1431 key_synth_code = spi_dec_plat_get_keycode (controller, keysym, NULL, TRUE, &synth_mods);
1433 if ((key_synth_code == 0) || (synth_mods == 0xFF))
1436 /* TODO: set the modifiers accordingly! */
1437 modifiers = get_modifier_state (controller);
1438 /* side-effect; we may unset mousebutton modifiers here! */
1441 if (synth_mods != modifiers)
1443 lock_mods = synth_mods & ~modifiers;
1444 spi_dec_plat_lock_modifiers (controller, lock_mods);
1445 if (modifiers & SPI_KEYMASK_SHIFTLOCK)
1446 spi_dec_plat_unlock_modifiers (controller, SPI_KEYMASK_SHIFTLOCK);
1448 spi_dec_plat_synth_keycode_press (controller, key_synth_code);
1449 spi_dec_plat_synth_keycode_release (controller, key_synth_code);
1451 if (synth_mods != modifiers)
1453 spi_dec_plat_unlock_modifiers (controller, lock_mods);
1454 if (modifiers & SPI_KEYMASK_SHIFTLOCK)
1455 spi_dec_plat_lock_modifiers (controller, SPI_KEYMASK_SHIFTLOCK);
1461 * DBus Accessibility::DEController::RegisterKeystrokeListener
1462 * method implementation
1464 static DBusMessage *
1465 impl_generate_keyboard_event (DBusMessage *message, SpiDEController *controller)
1467 dbus_int32_t keycode;
1469 dbus_uint32_t synth_type;
1470 DBusMessage *reply = NULL;
1472 if (!dbus_message_get_args (message, NULL, DBUS_TYPE_INT32, &keycode, DBUS_TYPE_STRING, &keystring, DBUS_TYPE_UINT32, &synth_type, DBUS_TYPE_INVALID))
1474 return invalid_arguments_error (message);
1478 fprintf (stderr, "synthesizing keystroke %ld, type %d\n",
1479 (long) keycode, (int) synth_type);
1481 /* TODO: hide/wrap/remove X dependency */
1484 * TODO: when initializing, query for XTest extension before using,
1485 * and fall back to XSendEvent() if XTest is not available.
1490 case Accessibility_KEY_PRESS:
1491 spi_dec_plat_synth_keycode_press (controller, keycode);
1493 case Accessibility_KEY_PRESSRELEASE:
1494 spi_dec_plat_synth_keycode_press (controller, keycode);
1495 case Accessibility_KEY_RELEASE:
1496 spi_dec_plat_synth_keycode_release (controller, keycode);
1498 case Accessibility_KEY_SYM:
1499 #ifdef SPI_XKB_DEBUG
1500 fprintf (stderr, "KeySym synthesis\n");
1503 * note: we are using long for 'keycode'
1504 * in our arg list; it can contain either
1505 * a keycode or a keysym.
1507 spi_dec_synth_keysym (controller, keycode);
1509 case Accessibility_KEY_STRING:
1510 if (!spi_dec_plat_synth_keystring (controller, synth_type, keycode, keystring))
1511 fprintf (stderr, "Keystring synthesis failure, string=%s\n",
1514 case Accessibility_KEY_LOCKMODIFIERS:
1515 spi_dec_plat_lock_modifiers (controller, keycode);
1517 case Accessibility_KEY_UNLOCKMODIFIERS:
1518 spi_dec_plat_unlock_modifiers (controller, keycode);
1521 reply = dbus_message_new_method_return (message);
1525 /* Accessibility::DEController::GenerateMouseEvent */
1526 static DBusMessage *
1527 impl_generate_mouse_event (DBusMessage *message, SpiDEController *controller)
1532 DBusMessage *reply = NULL;
1534 if (!dbus_message_get_args (message, NULL, DBUS_TYPE_INT32, &x, DBUS_TYPE_INT32, &y, DBUS_TYPE_STRING, &eventName, DBUS_TYPE_INVALID))
1536 return invalid_arguments_error (message);
1540 fprintf (stderr, "generating mouse %s event at %ld, %ld\n",
1541 eventName, (long int) x, (long int) y);
1543 spi_dec_plat_generate_mouse_event (controller, x, y, eventName);
1544 reply = dbus_message_new_method_return (message);
1548 /* Accessibility::DEController::NotifyListenersSync */
1549 static DBusMessage *
1550 impl_notify_listeners_sync (DBusMessage *message, SpiDEController *controller)
1552 Accessibility_DeviceEvent event;
1554 DBusMessage *reply = NULL;
1556 if (!spi_dbus_demarshal_deviceEvent (message, &event))
1558 return invalid_arguments_error (message);
1561 g_print ("notifylistening listeners synchronously: controller %p, event id %d\n",
1562 controller, (int) event.id);
1564 ret = spi_controller_notify_keylisteners (controller,
1565 (Accessibility_DeviceEvent *) &event, FALSE)
1568 reply = dbus_message_new_method_return (message);
1571 dbus_message_append_args (reply, DBUS_TYPE_BOOLEAN, &ret, DBUS_TYPE_INVALID);
1576 static DBusMessage *
1577 impl_notify_listeners_async (DBusMessage *message, SpiDEController *controller)
1579 Accessibility_DeviceEvent event;
1580 DBusMessage *reply = NULL;
1582 if (!spi_dbus_demarshal_deviceEvent (message, &event))
1584 return invalid_arguments_error (message);
1587 g_print ("notifylistening listeners asynchronously: controller %p, event id %d\n",
1588 controller, (int) event.id);
1590 spi_controller_notify_keylisteners (controller, (Accessibility_DeviceEvent *) &event, FALSE);
1591 reply = dbus_message_new_method_return (message);
1596 spi_device_event_controller_class_init (SpiDEControllerClass *klass)
1598 GObjectClass *object_class = (GObjectClass *) klass;
1600 spi_device_event_controller_parent_class = g_type_class_peek_parent (klass);
1602 object_class->finalize = spi_device_event_controller_object_finalize;
1605 if (g_getenv ("DISPLAY") != NULL && g_getenv ("WAYLAND_DISPLAY") == NULL)
1606 spi_dec_setup_x11 (klass);
1611 spi_device_event_controller_init (SpiDEController *device_event_controller)
1613 SpiDEControllerClass *klass;
1614 klass = SPI_DEVICE_EVENT_CONTROLLER_GET_CLASS (device_event_controller);
1616 device_event_controller->message_queue = g_queue_new ();
1618 if (klass->plat.init)
1619 klass->plat.init (device_event_controller);
1622 /*---------------------------------------------------------------------------*/
1624 static const char *introspection_header =
1625 "<?xml version=\"1.0\"?>\n";
1627 static const char *introspection_node_element =
1628 "<node name=\"%s\">\n";
1630 static const char *introspection_footer =
1633 static DBusMessage *
1634 impl_Introspect (DBusMessage *message, SpiDEController *controller)
1639 const gchar *pathstr = SPI_DBUS_PATH_DEC;
1643 output = g_string_new (introspection_header);
1645 g_string_append_printf (output, introspection_node_element, pathstr);
1647 g_string_append (output, spi_org_a11y_atspi_DeviceEventController);
1649 g_string_append (output, introspection_footer);
1650 final = g_string_free (output, FALSE);
1652 reply = dbus_message_new_method_return (message);
1653 dbus_message_append_args (reply, DBUS_TYPE_STRING, &final, DBUS_TYPE_INVALID);
1659 /*---------------------------------------------------------------------------*/
1662 handle_message (DBusMessage *message, SpiDEController *controller)
1664 const gchar *iface = dbus_message_get_interface (message);
1665 const gchar *member = dbus_message_get_member (message);
1666 DBusHandlerResult result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1667 DBusMessage *reply = NULL;
1669 if (!strcmp (iface, SPI_DBUS_INTERFACE_DEC))
1671 result = DBUS_HANDLER_RESULT_HANDLED;
1672 if (!strcmp (member, "RegisterKeystrokeListener"))
1673 reply = impl_register_keystroke_listener (message, controller);
1674 else if (!strcmp (member, "DeregisterKeystrokeListener"))
1675 reply = impl_deregister_keystroke_listener (message, controller);
1676 else if (!strcmp (member, "GetKeystrokeListeners"))
1677 reply = impl_get_keystroke_listeners (message, controller);
1678 else if (!strcmp (member, "GenerateKeyboardEvent"))
1679 reply = impl_generate_keyboard_event (message, controller);
1680 else if (!strcmp (member, "GenerateMouseEvent"))
1681 reply = impl_generate_mouse_event (message, controller);
1682 else if (!strcmp (member, "NotifyListenersSync"))
1683 reply = impl_notify_listeners_sync (message, controller);
1684 else if (!strcmp (member, "NotifyListenersAsync"))
1685 reply = impl_notify_listeners_async (message, controller);
1687 result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1690 if (!strcmp (iface, "org.freedesktop.DBus.Introspectable"))
1692 result = DBUS_HANDLER_RESULT_HANDLED;
1693 if (!strcmp (member, "Introspect"))
1694 reply = impl_Introspect (message, controller);
1696 result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1699 if (result == DBUS_HANDLER_RESULT_HANDLED)
1703 reply = dbus_message_new_method_return (message);
1706 dbus_connection_send (controller->bus, reply, NULL);
1707 dbus_message_unref (reply);
1712 message_queue_dispatch (gpointer data)
1714 SpiDEController *controller = SPI_DEVICE_EVENT_CONTROLLER (data);
1716 controller->message_queue_idle = 0;
1717 while (!g_queue_is_empty (controller->message_queue))
1719 DBusMessage *message = g_queue_pop_head (controller->message_queue);
1720 handle_message (message, controller);
1721 dbus_message_unref (message);
1726 static DBusHandlerResult
1727 handle_dec_method (DBusConnection *bus, DBusMessage *message, void *user_data)
1729 SpiDEController *controller = SPI_DEVICE_EVENT_CONTROLLER (user_data);
1730 const gchar *iface = dbus_message_get_interface (message);
1731 const gchar *member = dbus_message_get_member (message);
1732 const gint type = dbus_message_get_type (message);
1734 /* Check for basic reasons not to handle */
1735 if (type != DBUS_MESSAGE_TYPE_METHOD_CALL ||
1738 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
1740 dbus_message_ref (message);
1741 g_queue_push_tail (controller->message_queue, message);
1742 if (!controller->message_queue_idle)
1744 controller->message_queue_idle = g_idle_add (message_queue_dispatch, controller);
1745 g_source_set_name_by_id (controller->message_queue_idle, "[at-spi2-core] message_queue_dispatch");
1747 return DBUS_HANDLER_RESULT_HANDLED;
1750 static DBusObjectPathVTable dec_vtable = {
1753 NULL, NULL, NULL, NULL
1757 spi_registry_dec_new (DBusConnection *bus)
1759 SpiDEController *dec = g_object_new (SPI_DEVICE_EVENT_CONTROLLER_TYPE, NULL);
1763 dbus_connection_register_object_path (bus, SPI_DBUS_PATH_DEC, &dec_vtable, dec);
1769 spi_device_event_controller_start_poll_mouse (SpiDEController *dec)
1771 if (!dec->have_mouse_event_listener)
1773 dec->have_mouse_event_listener = TRUE;
1775 id = g_timeout_add (100, spi_dec_poll_mouse_idle, dec);
1776 g_source_set_name_by_id (id, "[at-spi2-core] spi_dec_poll_mouse_idle");
1781 spi_device_event_controller_stop_poll_mouse (SpiDEController *dec)
1783 dec->have_mouse_event_listener = FALSE;