* application.c: implements Application.idl
*
*/
+#include <string.h>
#include <config.h>
#include <bonobo/Bonobo.h>
#include <atk/atkutil.h>
*/
static AccessibleClass *application_parent_class;
-Accessibility_EventListener the_toolkit_listener;
+static Application *the_app;
+
+/* static methods */
+
+static void notify_listeners (GList *listeners,
+ Accessibility_Event *e,
+ CORBA_Environment *ev);
+
+static char* lookup_toolkit_event_for_name (char *generic_name);
+
+static char* reverse_lookup_name_for_toolkit_event (char *toolkit_name);
/*
* Implemented GObject::finalize
accessible_application_finalize (GObject *object)
{
/* TODO: any necessary cleanup */
- Accessible *accessible = ACCESSIBLE (object);
-
- g_object_unref (accessible->atko);
- accessible->atko = NULL;
-
- /* TODO: chain to parent class instead */
+ (G_OBJECT_CLASS (application_parent_class))->finalize (object);
}
static CORBA_string
#define APP_STATIC_BUFF_SZ 64
static gboolean
-application_toolkit_listener (GSignalInvocationHint *signal_hint,
- guint n_param_values,
- const GValue *param_values,
- gpointer data)
+application_object_event_listener (GSignalInvocationHint *signal_hint,
+ guint n_param_values,
+ const GValue *param_values,
+ gpointer data)
+{
+ Accessibility_Event *e = Accessibility_Event__alloc();
+ AtkObject *aobject;
+ GObject *gobject;
+ Accessible *source;
+ CORBA_Environment ev;
+ GSignalQuery signal_query;
+ gchar *name;
+ char sbuf[APP_STATIC_BUFF_SZ];
+ char *generic_name;
+
+ g_signal_query (signal_hint->signal_id, &signal_query);
+ name = signal_query.signal_name;
+ fprintf (stderr, "Received (object) signal %s:%s\n",
+ g_type_name (signal_query.itype), name);
+
+ /* TODO: move GTK dependency out of app.c into bridge */
+ snprintf(sbuf, APP_STATIC_BUFF_SZ, "Gtk:%s:%s", g_type_name (signal_query.itype), name);
+
+ generic_name = reverse_lookup_name_for_toolkit_event (sbuf);
+ gobject = g_value_get_object (param_values + 0);
+
+ /* notify the actual listeners */
+ if (ATK_IS_IMPLEMENTOR (gobject))
+ {
+ aobject = atk_implementor_ref_accessible (ATK_IMPLEMENTOR (gobject));
+ }
+ else if (ATK_IS_OBJECT (gobject))
+ {
+ aobject = ATK_OBJECT (gobject);
+ g_object_ref (G_OBJECT (aobject));
+ }
+ else
+ {
+ g_error("received event from non-AtkImplementor");
+ }
+
+ g_return_val_if_fail (generic_name, FALSE);
+ if (generic_name)
+ {
+ source = accessible_new (aobject);
+ e->type = CORBA_string_dup (generic_name);
+ e->source = BONOBO_OBJREF (source);
+ /*
+ * no need to dup this ref, since it's inprocess
+ * and will be dup'ed by (inprocess) notify_listeners() call below
+ */
+ e->detail1 = 0;
+ e->detail2 = 0;
+ if (the_app) notify_listeners (the_app->toolkit_listeners, e, &ev);
+ /* unref because the in-process notify has called b_o_dup_ref (e->source) */
+ bonobo_object_release_unref (e->source, &ev);
+ }
+ /* and, decrement the refcount on atkobject, incremented moments ago:
+ * the call to accessible_new() above should have added an extra ref */
+ g_object_unref (G_OBJECT (aobject));
+
+ return TRUE;
+}
+
+
+static gboolean
+application_toolkit_event_listener (GSignalInvocationHint *signal_hint,
+ guint n_param_values,
+ const GValue *param_values,
+ gpointer data)
{
- Accessibility_Event *e = g_new0(Accessibility_Event, 1);
+ Accessibility_Event *e = Accessibility_Event__alloc();
AtkObject *aobject;
GObject *gobject;
+ Accessible *source;
CORBA_Environment ev;
GSignalQuery signal_query;
gchar *name;
/* TODO: move GTK dependency out of app.c into bridge */
snprintf(sbuf, APP_STATIC_BUFF_SZ, "Gtk:%s:%s", g_type_name (signal_query.itype), name);
-
gobject = g_value_get_object (param_values + 0);
/* notify the actual listeners */
if (ATK_IS_IMPLEMENTOR (gobject))
{
aobject = atk_implementor_ref_accessible (ATK_IMPLEMENTOR (gobject));
+ source = accessible_new (aobject);
e->type = CORBA_string_dup (sbuf);
- e->source = bonobo_object_corba_objref (bonobo_object (accessible_new (aobject)));
+ e->source = BONOBO_OBJREF (source);
e->detail1 = 0;
e->detail2 = 0;
- Accessibility_EventListener_notifyEvent (the_toolkit_listener, e, &ev);
- g_object_unref (aobject);
+ if (the_app) notify_listeners (the_app->toolkit_listeners, e, &ev);
+ bonobo_object_unref (source);
+ g_object_unref (G_OBJECT (aobject));
}
return TRUE;
}
static void
impl_accessibility_application_register_toolkit_event_listener (PortableServer_Servant servant,
- Accessibility_EventListener listener,
+ Accessibility_EventListener listener,
const CORBA_char *event_name,
CORBA_Environment *ev)
{
guint listener_id;
listener_id =
- atk_add_global_event_listener (application_toolkit_listener, event_name);
- the_toolkit_listener = CORBA_Object_duplicate (listener, ev);
+ atk_add_global_event_listener (application_toolkit_event_listener, event_name);
+ the_app->toolkit_listeners = g_list_append (the_app->toolkit_listeners,
+ CORBA_Object_duplicate (listener, ev));
#ifdef SPI_DEBUG
fprintf (stderr, "registered %d for toolkit events named: %s\n",
listener_id,
}
static void
+impl_accessibility_application_register_object_event_listener (PortableServer_Servant servant,
+ Accessibility_EventListener listener,
+ const CORBA_char *event_name,
+ CORBA_Environment *ev)
+{
+ guint listener_id;
+ char *toolkit_specific_event_name = lookup_toolkit_event_for_name (event_name);
+ if (toolkit_specific_event_name)
+ {
+ listener_id =
+ atk_add_global_event_listener (application_object_event_listener,
+ CORBA_string_dup (toolkit_specific_event_name));
+ the_app->toolkit_listeners = g_list_append (the_app->toolkit_listeners,
+ CORBA_Object_duplicate (listener, ev));
+ }
+#ifdef SPI_DEBUG
+ fprintf (stderr, "registered %d for object events named: %s\n",
+ listener_id,
+ event_name);
+#endif
+}
+
+static void
+notify_listeners (GList *listeners, Accessibility_Event *e, CORBA_Environment *ev)
+{
+ int n_listeners=0;
+ int i;
+ if (listeners) n_listeners = g_list_length (listeners);
+
+ for (i=0; i<n_listeners; ++i) {
+ Accessibility_EventListener listener;
+ e->source = bonobo_object_dup_ref (e->source, ev);
+ listener = (Accessibility_EventListener) g_list_nth_data (listeners, i);
+ Accessibility_EventListener_notifyEvent (listener, e, ev);
+ /*
+ * when this (oneway) call completes, the CORBA refcount and
+ * Bonobo_Unknown refcount will be decremented by the recipient
+ */
+ }
+}
+
+static char *
+lookup_toolkit_event_for_name (char *generic_name)
+{
+ char *toolkit_specific_name;
+ ApplicationClass *klass = g_type_class_peek (APPLICATION_TYPE);
+#ifdef SPI_DEBUG
+ fprintf (stderr, "looking for %s in hash table.\n", generic_name);
+#endif
+ toolkit_specific_name =
+ (char *) g_hash_table_lookup (klass->toolkit_event_names, generic_name);
+#ifdef SPI_DEBUG
+ fprintf (stderr, "generic event %s converted to %s\n", generic_name, toolkit_specific_name);
+#endif
+ return toolkit_specific_name;
+}
+
+static char *
+reverse_lookup_name_for_toolkit_event (char *toolkit_specific_name)
+{
+ char *generic_name;
+ ApplicationClass *klass = g_type_class_peek (APPLICATION_TYPE);
+#ifdef SPI_DEBUG
+ fprintf (stderr, "(reverse lookup) looking for %s in hash table.\n", toolkit_specific_name);
+#endif
+ generic_name =
+ (char *) g_hash_table_lookup (klass->generic_event_names, toolkit_specific_name);
+#ifdef SPI_DEBUG
+ fprintf (stderr, "toolkit event %s converted to %s\n", toolkit_specific_name, generic_name);
+#endif
+ return generic_name;
+}
+
+static void
+init_toolkit_names (GHashTable **generic_event_names, GHashTable **toolkit_event_names)
+{
+ *toolkit_event_names = g_hash_table_new (g_str_hash, g_str_equal);
+ *generic_event_names = g_hash_table_new (g_str_hash, g_str_equal);
+ g_hash_table_insert (*toolkit_event_names,
+ "object:property-change",
+ "Gtk:AtkObject:property-change");
+ g_hash_table_insert (*generic_event_names,
+ "Gtk:AtkObject:property-change",
+ "object:property-change");
+#ifdef SPI_DEBUG
+ fprintf (stderr, "inserted selection_changed hash\n");
+#endif
+}
+
+static void
application_class_init (ApplicationClass *klass)
{
GObjectClass * object_class = (GObjectClass *) klass;
epv->_get_id = impl_accessibility_application_get_id;
epv->_set_id = impl_accessibility_application_set_id;
epv->registerToolkitEventListener = impl_accessibility_application_register_toolkit_event_listener;
+ init_toolkit_names (&klass->generic_event_names, &klass->toolkit_event_names);
}
static void
application_init (Application *application)
{
ACCESSIBLE (application)->atko = g_object_new (atk_object_get_type(), NULL);
+ application->toolkit_listeners = (GList *) NULL;
+ the_app = application;
}
GType
Application *retval =
APPLICATION (g_object_new (application_get_type (), NULL));
ACCESSIBLE (retval)->atko = app_root;
+ g_object_ref (G_OBJECT (app_root));
return retval;
}