* Boston, MA 02111-1307, USA.
*/
-/*
- * application.c: implements Application.idl
- *
- */
+/* application.c: implements SpiApplication.idl */
+
+#include <string.h>
#include <config.h>
-#include <bonobo/Bonobo.h>
-#include "atksimpleobject.h"
+#include <atk/atkutil.h>
+#include <libspi/application.h>
-/*
- * This pulls the CORBA definitions for the "Accessibility::Accessible" server
- */
-#include <libspi/Accessibility.h>
+/* Our parent Gtk object type */
+#define PARENT_TYPE SPI_ACCESSIBLE_TYPE
-/*
- * This pulls the definition for the BonoboObject (GObject Type)
- */
-#include "application.h"
+/* A pointer to our parent object class */
+static SpiAccessibleClass *spi_application_parent_class;
+
+static SpiApplication *the_app;
+
+/* static methods */
+
+static void notify_listeners (GList *listeners,
+ SpiAccessible *source,
+ Accessibility_Event *e);
+
+static const char *reverse_lookup_name_for_toolkit_event (char *toolkit_name);
+
+static const char *
+lookup_toolkit_event_for_name (const char *generic_name)
+{
+ char *toolkit_specific_name;
+ SpiApplicationClass *klass = g_type_class_peek (SPI_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;
+}
/*
- * Our parent Gtk object type
+ * Implemented GObject::finalize
*/
-#define PARENT_TYPE ACCESSIBLE_TYPE
+static void
+spi_accessible_application_finalize (GObject *object)
+{
+ GList *l;
+ SpiApplication *application = (SpiApplication *) object;
+ CORBA_Environment ev;
+
+ CORBA_exception_init (&ev);
+
+ for (l = application->toolkit_listeners; l; l = l->next)
+ {
+ CORBA_Object_release ((CORBA_Object) l->data, &ev);
+ }
+
+ CORBA_exception_free (&ev);
+
+ g_list_free (application->toolkit_listeners);
+ application->toolkit_listeners = NULL;
+
+ g_print ("application finalize called\n");
+ (G_OBJECT_CLASS (spi_application_parent_class))->finalize (object);
+}
+
+static CORBA_string
+impl_accessibility_application_get_toolkit_name (PortableServer_Servant servant,
+ CORBA_Environment *ev)
+{
+ return CORBA_string_dup (atk_get_toolkit_name ());
+}
+
+static CORBA_string
+impl_accessibility_application_get_version (PortableServer_Servant servant,
+ CORBA_Environment *ev)
+{
+ return CORBA_string_dup (atk_get_toolkit_version ());
+}
+
+static CORBA_long
+impl_accessibility_application_get_id (PortableServer_Servant servant,
+ CORBA_Environment *ev)
+{
+ SpiApplication *application = SPI_APPLICATION (
+ bonobo_object_from_servant (servant));
+
+ return application->id;
+}
+
+static void
+impl_accessibility_application_set_id (PortableServer_Servant servant,
+ const CORBA_long id,
+ CORBA_Environment *ev)
+{
+ SpiApplication *application = SPI_APPLICATION (
+ bonobo_object_from_servant (servant));
+
+ application->id = id;
+}
+
+static AtkObject *
+get_atk_object_ref (GObject *gobject)
+{
+ AtkObject *aobject;
+
+ 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
+ {
+ aobject = NULL;
+ g_error ("received event from non-AtkImplementor");
+ }
+
+ return aobject;
+}
+
+static gboolean
+spi_application_object_event_listener (GSignalInvocationHint *signal_hint,
+ guint n_param_values,
+ const GValue *param_values,
+ gpointer data)
+{
+ Accessibility_Event e;
+ AtkObject *aobject;
+ SpiAccessible *source;
+ GSignalQuery signal_query;
+ gchar *event_name;
+ const char *generic_name;
+
+ g_return_val_if_fail (the_app != NULL, FALSE);
+
+ g_signal_query (signal_hint->signal_id, &signal_query);
+
+ /* TODO: move GTK reference out of app.c into bridge */
+ event_name = g_strdup_printf ("Gtk:%s:%s",
+ g_type_name (signal_query.itype),
+ signal_query.signal_name);
+
+ generic_name = reverse_lookup_name_for_toolkit_event (event_name);
+
+ fprintf (stderr, "Received (object) signal %s maps to '%s'\n",
+ event_name, generic_name);
+
+ g_free (event_name);
+
+ g_return_val_if_fail (generic_name, FALSE);
+
+ aobject = get_atk_object_ref (g_value_get_object (param_values + 0));
+
+ source = spi_accessible_new (aobject);
+ e.type = CORBA_string_dup (generic_name);
+ e.source = CORBA_OBJECT_NIL;
+ e.detail1 = 0;
+ e.detail2 = 0;
+
+ notify_listeners (the_app->toolkit_listeners, source, &e);
+
+ bonobo_object_unref (BONOBO_OBJECT (source));
+
+ g_object_unref (G_OBJECT (aobject));
+
+ return TRUE;
+}
+
+static gboolean
+spi_application_toolkit_event_listener (GSignalInvocationHint *signal_hint,
+ guint n_param_values,
+ const GValue *param_values,
+ gpointer data)
+{
+ Accessibility_Event e;
+ AtkObject *aobject;
+ SpiAccessible *source;
+ GSignalQuery signal_query;
+ char *event_name;
+
+ g_return_val_if_fail (the_app != NULL, FALSE);
+
+ g_signal_query (signal_hint->signal_id, &signal_query);
+
+ /* TODO: move GTK reference out of app.c into bridge */
+ event_name = g_strdup_printf ("Gtk:%s:%s",
+ g_type_name (signal_query.itype),
+ signal_query.signal_name);
+
+#ifdef SPI_DEBUG
+ fprintf (stderr, "Received signal %s\n", event_name);
+#endif
+
+ aobject = get_atk_object_ref (g_value_get_object (param_values + 0));
+
+ source = spi_accessible_new (aobject);
+ e.type = CORBA_string_dup (event_name);
+ e.source = CORBA_OBJECT_NIL;
+ e.detail1 = 0;
+ e.detail2 = 0;
+ notify_listeners (the_app->toolkit_listeners, source, &e);
+
+ bonobo_object_unref (BONOBO_OBJECT (source));
+ g_object_unref (G_OBJECT (aobject));
+
+ g_free (event_name);
+
+ return TRUE;
+}
static void
-application_class_init (ApplicationClass *klass)
+impl_accessibility_application_register_toolkit_event_listener (PortableServer_Servant servant,
+ Accessibility_EventListener listener,
+ const CORBA_char *event_name,
+ CORBA_Environment *ev)
{
- ;
+ guint spi_listener_id;
+ spi_listener_id =
+ atk_add_global_event_listener (spi_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",
+ spi_listener_id,
+ event_name);
+#endif
}
static void
-application_init (Application *application)
-{
- ACCESSIBLE (application)->atko = atk_simple_object_new();
-}
-
-GType
-application_get_type (void)
-{
- static GType type = 0;
-
- if (!type) {
- static const GTypeInfo tinfo = {
- sizeof (ApplicationClass),
- (GBaseInitFunc) NULL,
- (GBaseFinalizeFunc) NULL,
- (GClassInitFunc) application_class_init,
- (GClassFinalizeFunc) NULL,
- NULL, /* class data */
- sizeof (Application),
- 0, /* n preallocs */
- (GInstanceInitFunc) application_init,
- NULL /* value table */
- };
- /*
- * Bonobo_type_unique 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_Application__init,
- NULL,
- G_STRUCT_OFFSET (ApplicationClass, epv),
- &tinfo,
- "Application");
- }
-
- return type;
-}
-
-Application *
-application_new (char *name, char *desc, char *id)
-{
- Application *retval =
- APPLICATION (g_object_new (application_get_type (), NULL));
- atk_object_set_name (ACCESSIBLE (retval)->atko, CORBA_string_dup (name));
- atk_object_set_description (ACCESSIBLE (retval)->atko, CORBA_string_dup (desc));
- retval->id = CORBA_string_dup (id);
- return retval;
+impl_accessibility_application_register_object_event_listener (PortableServer_Servant servant,
+ Accessibility_EventListener listener,
+ const CORBA_char *event_name,
+ CORBA_Environment *ev)
+{
+ guint spi_listener_id = 0;
+ const char *toolkit_specific_event_name =
+ lookup_toolkit_event_for_name (event_name);
+ if (toolkit_specific_event_name)
+ {
+ spi_listener_id =
+ atk_add_global_event_listener (spi_application_object_event_listener,
+ 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",
+ spi_listener_id,
+ event_name);
+#endif
+}
+
+static void
+notify_listeners (GList *listeners, SpiAccessible *source, Accessibility_Event *e)
+{
+ GList *l;
+ CORBA_Environment ev;
+
+ CORBA_exception_init (&ev);
+
+ for (l = listeners; l; l = l->next)
+ {
+ Accessibility_EventListener listener = l->data;
+
+ e->source = bonobo_object_dup_ref (BONOBO_OBJREF (source), &ev);
+
+ Accessibility_EventListener_notifyEvent (listener, e, &ev);
+ /*
+ * when this (oneway) call completes, the CORBA refcount and
+ * Bonobo_Unknown refcount will be decremented by the recipient
+ */
+ CORBA_exception_free (&ev);
+ }
+}
+
+static const char *
+reverse_lookup_name_for_toolkit_event (char *toolkit_specific_name)
+{
+ const char *generic_name;
+ SpiApplicationClass *klass = g_type_class_peek (SPI_APPLICATION_TYPE);
+#ifdef SPI_DEBUG
+ fprintf (stderr, "(reverse lookup) looking for %s in hash table.\n", toolkit_specific_name);
+#endif
+ generic_name =
+ (const 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 spi_selection_changed hash\n");
+#endif
+}
+
+static void
+spi_application_class_init (SpiApplicationClass *klass)
+{
+ GObjectClass * object_class = (GObjectClass *) klass;
+ POA_Accessibility_Application__epv *epv = &klass->epv;
+
+ spi_application_parent_class = g_type_class_ref (SPI_ACCESSIBLE_TYPE);
+
+ object_class->finalize = spi_accessible_application_finalize;
+
+ epv->_get_toolkitName = impl_accessibility_application_get_toolkit_name;
+ epv->_get_version = impl_accessibility_application_get_version;
+ 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
+spi_application_init (SpiApplication *application)
+{
+ application->toolkit_listeners = NULL;
+ the_app = application;
+}
+
+BONOBO_TYPE_FUNC_FULL (SpiApplication,
+ Accessibility_Application,
+ PARENT_TYPE, spi_application);
+
+SpiApplication *
+spi_application_new (AtkObject *app_root)
+{
+ SpiApplication *retval = g_object_new (SPI_APPLICATION_TYPE, NULL);
+
+ spi_base_construct (SPI_BASE (retval), app_root);
+
+ return retval;
}
projects / platform / core / uifw / at-spi2-atk.git / blobdiff