* AT-SPI - Assistive Technology Service Provider Interface
* (Gnome Accessibility Project; http://developer.gnome.org/projects/gap)
*
- * Copyright 2001 Sun Microsystems Inc.
+ * Copyright 2001 Sun Microsystems Inc., Ximian Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* Boston, MA 02111-1307, USA.
*/
-/*
- * desktop.c: implements SpiDesktop.idl
- *
- */
-
-/* #include <config.h> */
-#include <libbonobo.h>
+/* desktop.c: implements SpiDesktop.idl */
+#include <config.h>
#include <stdio.h>
-
-/*
- * This pulls the CORBA definitions for the "Accessibility::Accessible" server
- */
-#include <libspi/Accessibility.h>
-
-/*
- * This pulls the definition for the BonoboObject (Gtk Type)
- */
+#include <libbonobo.h>
#include "desktop.h"
-/*
- * Our parent Gtk object type
- */
+/* Our parent Gtk object type */
#define PARENT_TYPE SPI_ACCESSIBLE_TYPE
-/*
- * A pointer to our parent object class
- */
+typedef struct {
+ SpiDesktop *desktop;
+ Accessibility_Application ref;
+} Application;
+
+/* A pointer to our parent object class */
static SpiAccessibleClass *parent_class;
static void
-spi_desktop_init (SpiDesktop *desktop)
+spi_desktop_init (SpiDesktop *desktop)
{
- SPI_ACCESSIBLE (desktop)->atko = g_object_new (atk_object_get_type(), NULL);
+ spi_base_construct (SPI_BASE (desktop), g_object_new (ATK_TYPE_OBJECT, NULL));
+
desktop->applications = NULL;
- atk_object_set_name (ATK_OBJECT (SPI_ACCESSIBLE (desktop)->atko), "main");
+
+ atk_object_set_name (ATK_OBJECT (SPI_BASE (desktop)->gobj), "main");
+}
+
+static void
+spi_desktop_dispose (GObject *object)
+{
+ SpiDesktop *desktop = (SpiDesktop *) object;
+
+ while (desktop->applications)
+ {
+ Application *app = (Application *) desktop->applications;
+ spi_desktop_remove_application (desktop, app->ref);
+ }
+
+ G_OBJECT_CLASS (parent_class)->dispose (object);
}
static CORBA_long
impl_desktop_get_child_count (PortableServer_Servant servant,
- CORBA_Environment * ev)
+ CORBA_Environment *ev)
{
SpiDesktop *desktop = SPI_DESKTOP (bonobo_object_from_servant (servant));
+
if (desktop->applications)
{
return g_list_length (desktop->applications);
static Accessibility_Accessible
impl_desktop_get_child_at_index (PortableServer_Servant servant,
- const CORBA_long index,
- CORBA_Environment * ev)
+ const CORBA_long index,
+ CORBA_Environment *ev)
{
- SpiDesktop *desktop = SPI_DESKTOP (bonobo_object_from_servant (servant));
+ SpiDesktop *desktop = SPI_DESKTOP (bonobo_object_from_servant (servant));
CORBA_Object retval;
- if ((desktop->applications) && (index < g_list_length (desktop->applications)))
+ Application *app;
+
+ app = g_list_nth_data (desktop->applications, index);
+
+ if (app)
{
- fprintf (stderr, "getting application %ld\n", (long) index);
- /* */
- fprintf (stderr, "object address %p\n",
- g_list_nth_data (desktop->applications, index));
- retval = CORBA_Object_duplicate (
- (CORBA_Object) g_list_nth_data (desktop->applications, index), ev);
+ retval = bonobo_object_dup_ref (app->ref, ev);
+ if (BONOBO_EX (ev))
+ {
+ retval = CORBA_OBJECT_NIL;
+ }
}
else
{
- fprintf (stderr, "no %ldth child\n", (long) index);
retval = CORBA_OBJECT_NIL;
}
+
return (Accessibility_Accessible) retval;
}
static void
-spi_desktop_class_init (SpiDesktopClass *klass)
+spi_desktop_class_init (SpiDesktopClass *klass)
{
- SpiAccessibleClass * spi_accessible_class = (SpiAccessibleClass *) klass;
- POA_Accessibility_Accessible__epv *epv = &spi_accessible_class->epv;
+ GObjectClass * object_class = (GObjectClass *) klass;
+ SpiAccessibleClass * spi_accessible_class = (SpiAccessibleClass *) klass;
+ POA_Accessibility_Accessible__epv *epv = &spi_accessible_class->epv;
- parent_class = g_type_class_ref (SPI_ACCESSIBLE_TYPE);
+ object_class->dispose = spi_desktop_dispose;
+
+ parent_class = g_type_class_ref (SPI_ACCESSIBLE_TYPE);
- epv->_get_childCount = impl_desktop_get_child_count;
- epv->getChildAtIndex = impl_desktop_get_child_at_index;
+ epv->_get_childCount = impl_desktop_get_child_count;
+ epv->getChildAtIndex = impl_desktop_get_child_at_index;
}
-GType
-spi_desktop_get_type (void)
-{
- static GType type = 0;
-
- if (!type) {
- static const GTypeInfo tinfo = {
- sizeof (SpiDesktopClass),
- (GBaseInitFunc) NULL,
- (GBaseFinalizeFunc) NULL,
- (GClassInitFunc) spi_desktop_class_init,
- (GClassFinalizeFunc) NULL,
- NULL, /* class data */
- sizeof (SpiDesktop),
- 0, /* n preallocs */
- (GInstanceInitFunc) spi_desktop_init,
- NULL /* value table */
- };
- /*
- * Here we use bonobo_type_unique instead of
- * gtk_type_unique, this auto-generates a load of
- * CORBA structures for us. All derived types must
- * use bonobo_type_unique.
- */
- type = bonobo_type_unique (
- PARENT_TYPE,
- POA_Accessibility_Desktop__init,
- NULL,
- G_STRUCT_OFFSET (SpiDesktopClass, epv),
- &tinfo,
- "SpiDesktop");
- }
-
- return type;
-}
+BONOBO_TYPE_FUNC_FULL (SpiDesktop,
+ Accessibility_Desktop,
+ PARENT_TYPE,
+ spi_desktop);
SpiDesktop *
spi_desktop_new (void)
{
- SpiDesktop *retval =
- SPI_DESKTOP (g_object_new (spi_desktop_get_type (), NULL));
- return retval;
+ SpiDesktop *retval = g_object_new (SPI_DESKTOP_TYPE, NULL);
+
+ return retval;
+}
+
+static void
+abnormal_application_termination (gpointer object, Application *app)
+{
+ g_return_if_fail (SPI_IS_DESKTOP (app->desktop));
+
+ spi_desktop_remove_application (app->desktop, app->ref);
+}
+
+void
+spi_desktop_add_application (SpiDesktop *desktop,
+ const Accessibility_Application application)
+{
+ CORBA_Environment ev;
+ Application *app;
+ Accessibility_Application ref;
+
+ g_return_if_fail (SPI_IS_DESKTOP (desktop));
+
+ spi_desktop_remove_application (desktop, application);
+
+ CORBA_exception_init (&ev);
+
+ ref = bonobo_object_dup_ref (application, &ev);
+
+ if (!BONOBO_EX (&ev))
+ {
+ app = g_new (Application, 1);
+ app->desktop = desktop;
+ app->ref = ref;
+
+ desktop->applications = g_list_append (desktop->applications, app);
+
+ ORBit_small_listen_for_broken (app->ref, G_CALLBACK (abnormal_application_termination), app);
+ }
+
+ CORBA_exception_free (&ev);
+}
+
+void
+spi_desktop_remove_application (SpiDesktop *desktop,
+ const Accessibility_Application app_ref)
+{
+ GList *l;
+ CORBA_Environment ev;
+
+ g_return_if_fail (SPI_IS_DESKTOP (desktop));
+
+ CORBA_exception_init (&ev);
+
+ for (l = desktop->applications; l; l = l->next)
+ {
+ Application *app = (Application *) l->data;
+
+ if (CORBA_Object_is_equivalent (app->ref, app_ref, &ev))
+ {
+ break;
+ }
+ }
+
+ CORBA_exception_free (&ev);
+
+ if (l)
+ {
+ Application *app = (Application *) l->data;
+
+ desktop->applications = g_list_delete_link (desktop->applications, l);
+
+ ORBit_small_unlisten_for_broken (app->ref, G_CALLBACK (abnormal_application_termination));
+ bonobo_object_release_unref (app->ref, NULL);
+ g_free (app);
+ }
}