2 * AT-SPI - Assistive Technology Service Provider Interface
3 * (Gnome Accessibility Project; http://developer.gnome.org/projects/gap)
5 * Copyright 2001, 2002 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 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 /* application.c: implements SpiApplication.idl */
28 #include <atk/atkutil.h>
29 #include <libspi/application.h>
30 #include "spi-private.h"
32 /* Our parent Gtk object type */
33 #define PARENT_TYPE SPI_ACCESSIBLE_TYPE
35 /* A pointer to our parent object class */
36 static SpiAccessibleClass *spi_application_parent_class;
38 static SpiApplication *the_app;
42 static void notify_listeners (GList *listeners,
43 SpiAccessible *source,
44 Accessibility_Event *e);
47 * Implemented GObject::finalize
50 spi_accessible_application_finalize (GObject *object)
53 SpiApplication *application = (SpiApplication *) object;
56 CORBA_exception_init (&ev);
58 for (l = application->toolkit_listeners; l; l = l->next)
60 CORBA_Object_release ((CORBA_Object) l->data, &ev);
63 CORBA_exception_free (&ev);
65 g_list_free (application->toolkit_listeners);
66 application->toolkit_listeners = NULL;
68 g_print ("application finalize called\n");
69 (G_OBJECT_CLASS (spi_application_parent_class))->finalize (object);
73 impl_accessibility_application_get_toolkit_name (PortableServer_Servant servant,
74 CORBA_Environment *ev)
76 return CORBA_string_dup (atk_get_toolkit_name ());
80 impl_accessibility_application_get_version (PortableServer_Servant servant,
81 CORBA_Environment *ev)
83 return CORBA_string_dup (atk_get_toolkit_version ());
87 impl_accessibility_application_get_id (PortableServer_Servant servant,
88 CORBA_Environment *ev)
90 SpiApplication *application = SPI_APPLICATION (
91 bonobo_object_from_servant (servant));
93 return application->id;
97 impl_accessibility_application_set_id (PortableServer_Servant servant,
99 CORBA_Environment *ev)
101 SpiApplication *application = SPI_APPLICATION (
102 bonobo_object_from_servant (servant));
104 application->id = id;
108 get_atk_object_ref (GObject *gobject)
112 if (ATK_IS_IMPLEMENTOR (gobject))
114 aobject = atk_implementor_ref_accessible (ATK_IMPLEMENTOR (gobject));
116 else if (ATK_IS_OBJECT (gobject))
118 aobject = ATK_OBJECT (gobject);
119 g_object_ref (G_OBJECT (aobject));
124 g_error ("received event from non-AtkImplementor");
131 spi_application_toolkit_event_listener (GSignalInvocationHint *signal_hint,
132 guint n_param_values,
133 const GValue *param_values,
136 Accessibility_Event e;
138 SpiAccessible *source;
139 GSignalQuery signal_query;
142 g_return_val_if_fail (the_app != NULL, FALSE);
144 g_signal_query (signal_hint->signal_id, &signal_query);
146 /* TODO: move GTK reference out of app.c into bridge */
147 event_name = g_strdup_printf ("Gtk:%s:%s",
148 g_type_name (signal_query.itype),
149 signal_query.signal_name);
152 fprintf (stderr, "Received signal %s\n", event_name);
155 aobject = get_atk_object_ref (g_value_get_object (param_values + 0));
157 source = spi_accessible_new (aobject);
158 e.type = CORBA_string_dup (event_name);
159 e.source = CORBA_OBJECT_NIL;
162 spi_init_any_nil (&e.any_data);
163 notify_listeners (the_app->toolkit_listeners, source, &e);
165 bonobo_object_unref (BONOBO_OBJECT (source));
166 g_object_unref (G_OBJECT (aobject));
174 impl_accessibility_application_register_toolkit_event_listener (PortableServer_Servant servant,
175 Accessibility_EventListener listener,
176 const CORBA_char *event_name,
177 CORBA_Environment *ev)
179 guint spi_listener_id;
181 atk_add_global_event_listener (spi_application_toolkit_event_listener, event_name);
182 the_app->toolkit_listeners = g_list_append (the_app->toolkit_listeners,
183 CORBA_Object_duplicate (listener, ev));
185 fprintf (stderr, "registered %d for toolkit events named: %s\n",
192 notify_listeners (GList *listeners, SpiAccessible *source, Accessibility_Event *e)
195 CORBA_Environment ev;
197 CORBA_exception_init (&ev);
199 for (l = listeners; l; l = l->next)
201 Accessibility_EventListener listener = l->data;
203 e->source = bonobo_object_dup_ref (BONOBO_OBJREF (source), &ev);
205 Accessibility_EventListener_notifyEvent (listener, e, &ev);
207 * when this (oneway) call completes, the CORBA refcount and
208 * Bonobo_Unknown refcount will be decremented by the recipient
210 CORBA_exception_free (&ev);
215 init_toolkit_names (GHashTable **generic_event_names, GHashTable **toolkit_event_names)
217 *toolkit_event_names = g_hash_table_new (g_str_hash, g_str_equal);
218 *generic_event_names = g_hash_table_new (g_str_hash, g_str_equal);
219 g_hash_table_insert (*toolkit_event_names,
220 "object:property-change",
221 "Gtk:AtkObject:property-change");
222 g_hash_table_insert (*generic_event_names,
223 "Gtk:AtkObject:property-change",
224 "object:property-change");
226 fprintf (stderr, "inserted spi_selection_changed hash\n");
231 spi_application_class_init (SpiApplicationClass *klass)
233 GObjectClass * object_class = (GObjectClass *) klass;
234 POA_Accessibility_Application__epv *epv = &klass->epv;
236 spi_application_parent_class = g_type_class_ref (SPI_ACCESSIBLE_TYPE);
238 object_class->finalize = spi_accessible_application_finalize;
240 epv->_get_toolkitName = impl_accessibility_application_get_toolkit_name;
241 epv->_get_version = impl_accessibility_application_get_version;
242 epv->_get_id = impl_accessibility_application_get_id;
243 epv->_set_id = impl_accessibility_application_set_id;
244 epv->registerToolkitEventListener = impl_accessibility_application_register_toolkit_event_listener;
245 init_toolkit_names (&klass->generic_event_names, &klass->toolkit_event_names);
249 spi_application_init (SpiApplication *application)
251 application->toolkit_listeners = NULL;
252 the_app = application;
255 BONOBO_TYPE_FUNC_FULL (SpiApplication,
256 Accessibility_Application,
257 PARENT_TYPE, spi_application)
260 spi_application_new (AtkObject *app_root)
262 return SPI_APPLICATION (spi_accessible_construct (
263 SPI_APPLICATION_TYPE, app_root));