2 * AT-SPI - Assistive Technology Service Provider Interface
3 * (Gnome Accessibility Project; http://developer.gnome.org/projects/gap)
5 * Copyright 2002 Ximian Inc.
6 * Copyright 2002 Sun Microsystems, Inc.
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Library General Public
10 * License as published by the Free Software Foundation; either
11 * version 2 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 * Library General Public License for more details.
18 * You should have received a copy of the GNU Library General Public
19 * License along with this library; if not, write to the
20 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
21 * Boston, MA 02111-1307, USA.
24 #include <libbonobo.h>
25 #include "../spi-private.h"
26 #include "cspi-bonobo-listener.h"
32 AccessibleEventListenerCB event;
33 AccessibleDeviceListenerCB device_event;
39 GObjectClass *event_parent_class;
40 GObjectClass *device_parent_class;
47 cspi_event_handler_new (gpointer method, gpointer user_data)
49 EventHandler *eh = g_new0 (EventHandler, 1);
51 eh->cb.method = method;
52 eh->user_data = user_data;
58 cspi_event_handler_free (EventHandler *handler)
64 cspi_event_list_remove_by_cb (GList *list, gpointer callback)
68 for (l = list; l; l = next)
70 EventHandler *eh = l->data;
73 list = g_list_delete_link (list, l);
75 cspi_event_handler_free (eh);
82 * Standard event dispatcher
85 BONOBO_CLASS_BOILERPLATE (CSpiEventListener, cspi_event_listener,
86 GObject, spi_event_listener_get_type ())
89 cspi_event (SpiEventListener *listener,
90 Accessibility_Event *event)
93 CSpiEventListener *clistener = (CSpiEventListener *) listener;
94 AccessibleEvent aevent;
95 Accessible *source = cspi_object_borrow (event->source);
97 aevent.type = event->type;
98 aevent.source = source;
99 aevent.detail1 = event->detail1;
100 aevent.detail2 = event->detail2;
102 /* FIXME: re-enterancy hazard on this list */
103 for (l = clistener->callbacks; l; l = l->next)
105 EventHandler *eh = l->data;
107 eh->cb.event (&aevent, eh->user_data);
110 cspi_object_return (source);
114 cspi_event_listener_instance_init (CSpiEventListener *listener)
119 cspi_event_listener_finalize (GObject *object)
121 CSpiEventListener *listener = (CSpiEventListener *) object;
124 for (l = listener->callbacks; l; l = l->next)
126 cspi_event_handler_free (l->data);
129 g_list_free (listener->callbacks);
131 event_parent_class->finalize (object);
135 cspi_event_listener_class_init (CSpiEventListenerClass *klass)
137 GObjectClass *object_class = (GObjectClass *) klass;
139 event_parent_class = g_type_class_peek_parent (klass);
140 object_class->finalize = cspi_event_listener_finalize;
142 klass->event = cspi_event;
146 cspi_event_listener_new (void)
148 CSpiEventListener *listener;
150 listener = g_object_new (cspi_event_listener_get_type (), NULL);
156 cspi_event_listener_add_cb (AccessibleEventListener *al,
157 AccessibleEventListenerCB callback,
160 CSpiEventListener *listener = al;
162 g_return_if_fail (CSPI_IS_EVENT_LISTENER (listener));
164 listener->callbacks = g_list_prepend (listener->callbacks,
165 cspi_event_handler_new (callback, user_data));
169 cspi_event_listener_remove_cb (AccessibleEventListener *al,
170 AccessibleEventListenerCB callback)
172 CSpiEventListener *listener = al;
174 g_return_if_fail (CSPI_IS_EVENT_LISTENER (listener));
176 listener->callbacks = cspi_event_list_remove_by_cb (listener->callbacks, callback);
180 * Device event handler
183 cspi_device_event (SpiDeviceListener *listener,
184 const Accessibility_DeviceEvent *event)
187 CSpiDeviceListener *clistener = (CSpiDeviceListener *) listener;
188 AccessibleDeviceEvent anevent;
189 gboolean handled = FALSE;
193 case Accessibility_KEY_PRESSED_EVENT:
194 anevent.type = SPI_KEY_PRESSED;
196 case Accessibility_KEY_RELEASED_EVENT:
197 anevent.type = SPI_KEY_RELEASED;
199 case Accessibility_BUTTON_PRESSED_EVENT:
200 anevent.type = SPI_BUTTON_PRESSED;
202 case Accessibility_BUTTON_RELEASED_EVENT:
203 anevent.type = SPI_BUTTON_RELEASED;
209 anevent.keyID = event->id;
210 anevent.keycode = event->hw_code;
211 anevent.timestamp = event->timestamp;
212 anevent.keystring = g_strdup (event->event_string);
213 anevent.modifiers = event->modifiers;
215 /* FIXME: re-enterancy hazard on this list */
216 for (l = clistener->callbacks; l; l = l->next)
218 EventHandler *eh = l->data;
220 if ((handled = eh->cb.device_event (&anevent, eh->user_data)))
230 cspi_device_listener_init (CSpiDeviceListener *listener)
235 cspi_device_listener_finalize (GObject *object)
237 CSpiDeviceListener *listener = (CSpiDeviceListener *) object;
240 for (l = listener->callbacks; l; l = l->next)
242 cspi_event_handler_free (l->data);
245 g_list_free (listener->callbacks);
247 device_parent_class->finalize (object);
251 cspi_device_listener_class_init (CSpiDeviceListenerClass *klass)
253 GObjectClass *object_class = (GObjectClass *) klass;
255 device_parent_class = g_type_class_peek_parent (klass);
256 object_class->finalize = cspi_device_listener_finalize;
258 klass->device_event = cspi_device_event;
261 BONOBO_TYPE_FUNC (CSpiDeviceListener,
262 spi_device_listener_get_type (),
263 cspi_device_listener);
266 cspi_device_listener_new (void)
268 CSpiEventListener *listener = g_object_new (cspi_device_listener_get_type (), NULL);
274 cspi_device_listener_add_cb (AccessibleDeviceListener *al,
275 AccessibleDeviceListenerCB callback,
278 CSpiDeviceListener *listener = al;
280 g_return_if_fail (CSPI_IS_DEVICE_LISTENER (listener));
282 listener->callbacks = g_list_prepend (listener->callbacks,
283 cspi_event_handler_new (callback, user_data));
287 cspi_device_listener_remove_cb (AccessibleDeviceListener *al,
288 AccessibleDeviceListenerCB callback)
290 CSpiDeviceListener *listener = al;
292 g_return_if_fail (CSPI_IS_DEVICE_LISTENER (listener));
294 listener->callbacks = cspi_event_list_remove_by_cb (listener->callbacks, callback);
298 cspi_event_listener_unref (AccessibleEventListener *listener)
300 bonobo_object_unref (BONOBO_OBJECT (listener));
304 cspi_device_listener_unref (AccessibleDeviceListener *listener)
306 bonobo_object_unref (BONOBO_OBJECT (listener));
311 cspi_event_listener_get_corba (AccessibleEventListener *listener)
313 return BONOBO_OBJREF (listener);
317 cspi_device_listener_get_corba (AccessibleDeviceListener *listener)
319 return BONOBO_OBJREF (listener);