-
/*
*
* Basic SPI initialization and event loop function prototypes
*
*/
+#include <string.h>
+#include <stdlib.h>
+#include <cspi/spi-private.h>
+
+static CORBA_Environment ev = { 0 };
+static Accessibility_Registry registry = CORBA_OBJECT_NIL;
+static boolean is_gnome_app = FALSE;
+static GSList *live_refs = NULL;
+
+CORBA_Environment *
+cspi_ev (void)
+{
+ /* This method is an ugly hack */
+ return &ev;
+}
+
+Accessibility_Registry
+cspi_registry (void)
+{
+ return registry;
+}
+
+boolean
+cspi_is_gnome_app (void)
+{
+ return is_gnome_app;
+}
+
+boolean
+cspi_exception (void)
+{
+ boolean retval;
+
+ if (BONOBO_EX (&ev))
+ {
+ CORBA_exception_free (&ev);
+ retval = TRUE;
+ }
+ else
+ {
+ retval = FALSE;
+ }
+
+ return retval;
+}
+
+Accessible *
+cspi_object_add (CORBA_Object corba_object)
+{
+ Accessible *ref;
+
+ if (corba_object != CORBA_OBJECT_NIL)
+ {
+ ref = g_new (Accessible, 1);
+
+ ref->objref = CORBA_Object_duplicate (corba_object, cspi_ev());
+ ref->ref_count = 1;
+
+ live_refs = g_slist_prepend (live_refs, ref);
+ }
+ else
+ {
+ ref = NULL;
+ }
+
+ return ref;
+}
+
+void
+cspi_object_ref (Accessible *accessible)
+{
+ g_return_if_fail (accessible != NULL);
+
+ accessible->ref_count++;
+}
+
+void
+cspi_object_unref (Accessible *accessible)
+{
+ g_return_if_fail (accessible != NULL);
+
+ if (--accessible->ref_count == 0)
+ {
+ live_refs = g_slist_remove (live_refs, accessible);
+
+ bonobo_object_release_unref (accessible->objref, cspi_ev ());
+
+ cspi_check_ev (cspi_ev (), "unref");
+
+ memset (accessible, 0xaa, sizeof (Accessible));
+
+ g_free (accessible);
+ }
+}
+
+static void
+cspi_cleanup (void)
+{
+ GSList *l, *refs;
+
+ refs = live_refs;
+ live_refs = NULL;
+
+ for (l = refs; l; l = l->next)
+ {
+ Accessible *a = l->data;
+
+ g_print ("releasing %p\n", l->data);
+ bonobo_object_release_unref (a->objref, NULL);
+
+ g_free (a);
+ }
+
+ g_slist_free (refs);
+
+ if (registry != CORBA_OBJECT_NIL)
+ {
+ bonobo_object_release_unref (registry, NULL);
+ registry = CORBA_OBJECT_NIL;
+ }
+}
/**
* SPI_init:
SPI_init (void)
{
int argc = 0;
- CORBA_Object oclient;
char *obj_id;
+ static gboolean inited = FALSE;
+
+ if (inited)
+ {
+ return 1;
+ }
+
+ inited = TRUE;
- CORBA_exception_init(&ev);
+ CORBA_exception_init (&ev);
if (!bonobo_init (&argc, NULL))
{
obj_id = "OAFIID:Accessibility_Registry:proto0.1";
- oclient = bonobo_activation_activate_from_id (obj_id, 0, NULL, &ev);
- if (ev._major != CORBA_NO_EXCEPTION) {
- fprintf (stderr,
- ("AT-SPI error: during registry activation: %s\n"),
- CORBA_exception_id(&ev));
- CORBA_exception_free(&ev);
- exit(-1);
- }
+ registry = bonobo_activation_activate_from_id (
+ obj_id, 0, NULL, cspi_ev ());
- if (CORBA_Object_is_nil (oclient, &ev))
+ if (ev._major != CORBA_NO_EXCEPTION)
{
- g_error ("Could not locate registry");
- exit(-1);
+ g_error ("AT-SPI error: during registry activation: %s\n",
+ bonobo_exception_get_text (cspi_ev ()));
}
- registry = (Accessibility_Registry) oclient;
+ if (registry == CORBA_OBJECT_NIL)
+ {
+ g_error ("Could not locate registry");
+ }
+ Accessibility_Registry_ref (registry, &ev);
+
bonobo_activate ();
-
+
return 0;
}
/**
* SPI_event_main:
* @isGNOMEApp: a #boolean indicating whether the client of the SPI
- * will use the Gnome event loop or not.
+ * will use the Gnome event loop or not. Clients that have
+ * their own GUIS will usually specify #TRUE here, and must
+ * do so if they use Gnome GUI components.
*
* Starts/enters the main event loop for the SPI services.
*
- * (NOTE: This method does not return control, it is exited via a call to exit()
+ * (NOTE: This method does not return control, it is exited via a call to SPI_exit()
* from within an event handler).
*
**/
void
SPI_event_main (boolean isGNOMEApp)
{
- if (isGNOMEApp) bonobo_main();
- else CORBA_ORB_run (bonobo_orb(), &ev);
+ is_gnome_app = isGNOMEApp;
+ if (isGNOMEApp)
+ {
+ g_atexit (cspi_cleanup);
+ bonobo_main ();
+ }
+ else
+ {
+ /* TODO: install signal handlers to do cleanup */
+ CORBA_ORB_run (bonobo_orb (), cspi_ev ());
+ fprintf (stderr, "orb loop exited...\n");
+ }
}
/**
- * SPI_event_is_ready:
+ * SPI_eventIsReady:
*
* Checks to see if an SPI event is waiting in the event queue.
* Used by clients that don't wish to use SPI_event_main().
+ *
* Not Yet Implemented.
*
* Returns: #TRUE if an event is waiting, otherwise #FALSE.
/**
* SPI_nextEvent:
+ * @waitForEvent: a #boolean indicating whether to block or not.
*
* Gets the next event in the SPI event queue; blocks if no event
- * is pending.
+ * is pending and @waitForEvent is #TRUE.
* Used by clients that don't wish to use SPI_event_main().
+ *
* Not Yet Implemented.
*
* Returns: the next #AccessibleEvent in the SPI event queue.
- *
**/
AccessibleEvent *
SPI_nextEvent (boolean waitForEvent)
/**
* SPI_exit:
*
- * Disconnects from the Accessibility Registry and releases resources.
- * Not Yet Implemented.
- *
+ * Disconnects from the Accessibility Registry and releases
+ * any floating resources.
**/
void
SPI_exit (void)
{
- exit(0);
+ cspi_cleanup();
+ if (cspi_is_gnome_app ())
+ {
+ bonobo_main_quit ();
+ }
+ else
+ {
+ CORBA_ORB_shutdown (bonobo_orb (), TRUE, cspi_ev ());
+ }
+ fprintf (stderr, "bye-bye!\n");
}