2 * AT-SPI - Assistive Technology Service Provider Interface
3 * (Gnome Accessibility Project; http://developer.gnome.org/projects/gap)
5 * Copyright 2001 Sun Microsystems Inc., Ximian 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 /* desktop.c: implements SpiDesktop.idl */
27 #include <libbonobo.h>
30 /* SpiDesktop signals */
36 static guint spi_desktop_signals[LAST_SIGNAL];
39 /* Our parent Gtk object type */
40 #define PARENT_TYPE SPI_ACCESSIBLE_TYPE
44 Accessibility_Application ref;
47 /* A pointer to our parent object class */
48 static SpiAccessibleClass *parent_class;
51 spi_desktop_init (SpiDesktop *desktop)
53 spi_base_construct (SPI_BASE (desktop), g_object_new (ATK_TYPE_OBJECT, NULL));
55 desktop->applications = NULL;
57 atk_object_set_name (ATK_OBJECT (SPI_BASE (desktop)->gobj), "main");
61 spi_desktop_dispose (GObject *object)
63 SpiDesktop *desktop = (SpiDesktop *) object;
65 while (desktop->applications)
67 Application *app = (Application *) desktop->applications;
68 spi_desktop_remove_application (desktop, app->ref);
71 G_OBJECT_CLASS (parent_class)->dispose (object);
75 impl_desktop_get_child_count (PortableServer_Servant servant,
76 CORBA_Environment *ev)
78 SpiDesktop *desktop = SPI_DESKTOP (bonobo_object_from_servant (servant));
80 if (desktop->applications)
82 return g_list_length (desktop->applications);
90 static Accessibility_Accessible
91 impl_desktop_get_child_at_index (PortableServer_Servant servant,
92 const CORBA_long index,
93 CORBA_Environment *ev)
95 SpiDesktop *desktop = SPI_DESKTOP (bonobo_object_from_servant (servant));
99 app = g_list_nth_data (desktop->applications, index);
103 retval = bonobo_object_dup_ref (app->ref, ev);
106 retval = CORBA_OBJECT_NIL;
111 retval = CORBA_OBJECT_NIL;
114 return (Accessibility_Accessible) retval;
118 spi_desktop_class_init (SpiDesktopClass *klass)
120 GObjectClass * object_class = (GObjectClass *) klass;
121 SpiAccessibleClass * spi_accessible_class = (SpiAccessibleClass *) klass;
122 POA_Accessibility_Accessible__epv *epv = &spi_accessible_class->epv;
124 object_class->dispose = spi_desktop_dispose;
126 parent_class = g_type_class_ref (SPI_ACCESSIBLE_TYPE);
128 spi_desktop_signals[APPLICATION_ADDED] =
129 g_signal_new ("application_added",
130 G_TYPE_FROM_CLASS (klass),
132 G_STRUCT_OFFSET (SpiDesktopClass, application_added),
134 g_cclosure_marshal_VOID__UINT,
137 spi_desktop_signals[APPLICATION_REMOVED] =
138 g_signal_new ("application_removed",
139 G_TYPE_FROM_CLASS (klass),
141 G_STRUCT_OFFSET (SpiDesktopClass, application_removed),
143 g_cclosure_marshal_VOID__UINT,
146 epv->_get_childCount = impl_desktop_get_child_count;
147 epv->getChildAtIndex = impl_desktop_get_child_at_index;
150 BONOBO_TYPE_FUNC_FULL (SpiDesktop,
151 Accessibility_Desktop,
156 spi_desktop_new (void)
158 SpiDesktop *retval = g_object_new (SPI_DESKTOP_TYPE, NULL);
164 abnormal_application_termination (gpointer object, Application *app)
166 g_return_if_fail (SPI_IS_DESKTOP (app->desktop));
168 spi_desktop_remove_application (app->desktop, app->ref);
172 spi_desktop_add_application (SpiDesktop *desktop,
173 const Accessibility_Application application)
175 CORBA_Environment ev;
177 Accessibility_Application ref;
179 g_return_if_fail (SPI_IS_DESKTOP (desktop));
181 spi_desktop_remove_application (desktop, application);
183 CORBA_exception_init (&ev);
185 ref = bonobo_object_dup_ref (application, &ev);
187 if (!BONOBO_EX (&ev))
189 app = g_new (Application, 1);
190 app->desktop = desktop;
193 desktop->applications = g_list_append (desktop->applications, app);
194 g_signal_emit (G_OBJECT (desktop), spi_desktop_signals[APPLICATION_ADDED], 0,
195 g_list_index (desktop->applications, app));
197 ORBit_small_listen_for_broken (app->ref, G_CALLBACK (abnormal_application_termination), app);
200 CORBA_exception_free (&ev);
204 spi_desktop_remove_application (SpiDesktop *desktop,
205 const Accessibility_Application app_ref)
208 CORBA_Environment ev;
210 g_return_if_fail (SPI_IS_DESKTOP (desktop));
212 CORBA_exception_init (&ev);
214 for (l = desktop->applications; l; l = l->next)
216 Application *app = (Application *) l->data;
218 if (CORBA_Object_is_equivalent (app->ref, app_ref, &ev))
224 CORBA_exception_free (&ev);
228 Application *app = (Application *) l->data;
230 g_signal_emit (G_OBJECT (desktop), spi_desktop_signals[APPLICATION_REMOVED], 0,
231 g_list_index (desktop->applications, l));
232 desktop->applications = g_list_delete_link (desktop->applications, l);
234 ORBit_small_unlisten_for_broken (app->ref, G_CALLBACK (abnormal_application_termination));
235 bonobo_object_release_unref (app->ref, NULL);