/*
+ * AT-SPI - Assistive Technology Service Provider Interface
+ * (Gnome Accessibility Project; http://developer.gnome.org/projects/gap)
+ *
+ * Copyright 2001 Sun Microsystems Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+/*
* registry.c: test for accessibility implementation
*
*/
-#define DEBUG_PRINTSTUFF
-#ifdef DEBUG_PRINTSTUFF
+
+#ifdef SPI_DEBUG
#include <stdio.h>
#endif
#include <config.h>
/*
* This pulls the CORBA definitions for the "Accessibility::Registry" server
*/
-#include "Registry.h"
+#include <libspi/Accessibility.h>
/*
* This pulls the definition for the BonoboObject (GType)
*/
static ListenerClass *registry_parent_class;
+typedef enum {
+ ETYPE_FOCUS,
+ ETYPE_WINDOW,
+ ETYPE_TOOLKIT,
+ ETYPE_LAST_DEFINED
+} EventTypeMajor;
+
+typedef struct {
+ EventTypeMajor major;
+ char * minor;
+ char * detail;
+ guint hash;
+} EventTypeStruct;
+
+typedef struct {
+ Accessibility_EventListener listener;
+ guint event_type_hash;
+} ListenerStruct;
+
+/* static function prototypes */
+static void registry_notify_listeners ( GList *listeners,
+ const Accessibility_Event *e,
+ CORBA_Environment *ev);
+
/*
* Implemented GObject::finalize
*/
{
Registry *registry = REGISTRY (bonobo_object_from_servant (servant));
+#ifdef SPI_DEBUG
fprintf (stderr, "registering app %p\n", application);
- registry->desktop->applications = g_list_append (registry->desktop->applications, CORBA_Object_duplicate (application, ev));
+#endif
+ ORBit_register_objref (application);
+ registry->desktop->applications = g_list_append (registry->desktop->applications,
+ CORBA_Object_duplicate (application, ev));
+
+ /* TODO: create unique string here (with libuuid call ?) */
+ Accessibility_Application__set_id (application, "test-some-unique-string", ev);
+
/*
* TODO: change the implementation below to a WM-aware one;
* e.g. don't add all apps to the Desktop
*/
- /* registry->desktop->applications = registry->applications;*/
+}
+
+static gint
+compare_object_hash (gconstpointer p1, gconstpointer p2)
+{
+ CORBA_Environment ev;
+ long long diff = ((CORBA_Object_hash ((CORBA_Object) p2, (CORBA_unsigned_long) 0, &ev)) -
+ (CORBA_Object_hash ((CORBA_Object) p1, (CORBA_unsigned_long) 0, &ev)));
+ return ((diff < 0) ? -1 : ((diff > 0) ? 1 : 0));
+}
+
+static gint
+compare_listener_hash (gconstpointer p1, gconstpointer p2)
+{
+ return (((ListenerStruct *)p2)->event_type_hash - ((ListenerStruct *)p1)->event_type_hash);
+}
+
+static void
+parse_event_type (EventTypeStruct *etype, char *event_name)
+{
+ static gunichar delimiter = 0;
+ char * major_delim_char;
+ char * minor_delim_char;
+ guint nbytes = 0;
+
+ if (!delimiter)
+ {
+ delimiter = g_utf8_get_char (":");
+ }
+
+ major_delim_char = g_utf8_strchr (event_name, (gssize) 32, delimiter);
+ minor_delim_char = g_utf8_strrchr (event_name, (gssize) 255, delimiter);
+
+ nbytes = (guint)((gint64) minor_delim_char -
+ (gint64) major_delim_char);
+
+ fprintf (stderr, "nbytes = %ld\n", (long) nbytes);
+ if (!g_ascii_strncasecmp (event_name, "focus:", 6))
+ {
+ etype->major = ETYPE_FOCUS;
+ }
+ else if (!g_ascii_strncasecmp (event_name, "window:", 7))
+ {
+ etype->major = ETYPE_WINDOW;
+ }
+ else
+ {
+ etype->major = ETYPE_TOOLKIT;
+ }
+
+ if (major_delim_char)
+ {
+ etype->minor = g_strndup (major_delim_char, nbytes);
+ etype->hash = g_str_hash (major_delim_char);
+ }
+ else
+ {
+ etype->minor = g_strdup ("");
+ etype->hash = g_str_hash ("");
+ }
+ if (major_delim_char != minor_delim_char)
+ {
+ etype->detail = g_strdup (minor_delim_char);
+ }
+ else
+ {
+ etype->detail = g_strdup ("");
+ }
+
+
+ /* TODO: don't forget to free the strings from caller when done ! */
}
/**
CORBA_Environment * ev)
{
Registry *registry = REGISTRY (bonobo_object_from_servant (servant));
- registry->applications = g_list_remove (registry->applications, application);
+ GList *list = g_list_find_custom (registry->applications, application, compare_object_hash);
+ if (list)
+ {
+ fprintf (stderr, "deregistering application\n");
+ registry->applications = g_list_delete_link (registry->applications, list);
+ }
}
/*
Registry *registry = REGISTRY (bonobo_object_from_servant (servant));
/* fprintf(stderr, "registering %x/%x\n", listener, *listener); */
- registry->listeners = g_list_append (registry->listeners, CORBA_Object_duplicate(listener, ev));
- /* fprintf(stderr, "there are now %d listeners registered.\n", g_list_length(registry->listeners)); */
- /* should use hashtable and CORBA_Object_hash (...) */
+ ListenerStruct *ls = g_malloc (sizeof (ListenerStruct));
+
+ EventTypeStruct etype;
+ parse_event_type (&etype, event_name);
+ ls->event_type_hash = etype.hash;
+
+ /* parse, check major event type and add listener accordingly */
+ switch (etype.major)
+ {
+ case (ETYPE_FOCUS) :
+ ls->listener = CORBA_Object_duplicate (listener, ev);
+ registry->focus_listeners =
+ g_list_append (registry->focus_listeners, ls);
+ break;
+ case (ETYPE_WINDOW) :
+ break;
+ case (ETYPE_TOOLKIT) :
+ break;
+ default:
+ break;
+ }
+}
+
+/*
+ * CORBA Accessibility::Registry::deregisterGlobalEventListenerAll method implementation
+ */
+static void
+impl_accessibility_registry_deregister_global_event_listener_all
+ (PortableServer_Servant servant,
+ Accessibility_EventListener listener,
+ CORBA_Environment *ev)
+{
+ Registry *registry = REGISTRY (bonobo_object_from_servant (servant));
+ GList *list = g_list_find_custom (registry->focus_listeners, listener, compare_object_hash);
+ while (list)
+ {
+ fprintf (stderr, "deregistering listener\n");
+ registry->focus_listeners = g_list_delete_link (registry->focus_listeners, list);
+ list = g_list_find_custom (registry->focus_listeners, listener, compare_object_hash);
+ }
}
/*
impl_accessibility_registry_deregister_global_event_listener
(PortableServer_Servant servant,
Accessibility_EventListener listener,
+ const CORBA_char * event_name,
CORBA_Environment *ev)
{
Registry *registry = REGISTRY (bonobo_object_from_servant (servant));
- /* TODO: this won't work since 'listener' is a duplicate ref */
- registry->listeners = g_list_remove (registry->listeners, listener);
- /* fprintf(stderr, "deregister\n"); */
+ ListenerStruct ls;
+ EventTypeStruct etype;
+ GList *list;
+ parse_event_type (&etype, event_name);
+ ls.event_type_hash = etype.hash;
+ list = g_list_find_custom (registry->focus_listeners, &ls, compare_listener_hash);
+
+ if (list)
+ {
+ fprintf (stderr, "deregistering listener\n");
+ registry->applications = g_list_delete_link (registry->focus_listeners, list);
+ }
}
const Accessibility_Event *e,
CORBA_Environment *ev)
{
- int n;
- int len;
Registry *registry = REGISTRY (bonobo_object_from_servant (servant));
+ EventTypeStruct etype;
- /**
- * TODO:
- *
- * distinguish between event types
- * find non-strcmp method of matching event types to listeners
- *
- **/
+ parse_event_type (&etype, e->type);
+
+ switch (etype.major)
+ {
+ case (ETYPE_FOCUS) :
+ registry_notify_listeners (registry->focus_listeners, e, ev);
+ break;
+ case (ETYPE_WINDOW) :
+ registry_notify_listeners (registry->window_listeners, e, ev);
+ break;
+ case (ETYPE_TOOLKIT) :
+ registry_notify_listeners (registry->toolkit_listeners, e, ev);
+ break;
+ default:
+ break;
+ }
+ Accessibility_Accessible_unref (e->target, ev);
+}
- len = g_list_length (registry->listeners);
- /* fprintf(stderr, "%d listeners registered\n", len); */
+static void
+registry_notify_listeners ( GList *listeners,
+ const Accessibility_Event *e,
+ CORBA_Environment *ev)
+{
+ int n;
+ int len;
+ ListenerStruct *ls;
+ EventTypeStruct etype;
+ guint minor_hash;
+ parse_event_type (&etype, e->type);
+ minor_hash = g_str_hash (etype.minor);
+ len = g_list_length (listeners);
for (n=0; n<len; ++n)
{
- /* fprintf(stderr, "notifying listener #%d\n", n);*/
- /* fprintf(stderr, "event name %s\n", Accessibility_Accessible__get_name(e->target, ev));*/
- Accessibility_EventListener_notifyEvent (
- (Accessibility_EventListener) g_list_nth_data (registry->listeners, n),
- e,
- ev);
+ ls = (ListenerStruct *) g_list_nth_data (listeners, n);
+#ifdef SPI_DEBUG
+ fprintf(stderr, "event hashes: %lx %lx\n", ls->event_type_hash, etype.hash);
+#endif
+ if ((ls->event_type_hash == etype.hash) || (ls->event_type_hash == minor_hash))
+ {
+#ifdef SPI_DEBUG
+ fprintf(stderr, "notifying listener #%d\n", n);
+ fprintf(stderr, "event name %s\n", Accessibility_Accessible__get_name(e->target, ev));
+#endif
+ Accessibility_Accessible_ref (e->target, ev);
+ Accessibility_EventListener_notifyEvent ((Accessibility_EventListener) ls->listener,
+ e,
+ ev);
+ if (ev->_major != CORBA_NO_EXCEPTION) {
+ fprintf(stderr,
+ ("Accessibility app error: exception during event notification: %s\n"),
+ CORBA_exception_id(ev));
+ exit(-1);
+ }
+ }
}
}
epv->deregisterApplication = impl_accessibility_registry_deregister_application;
epv->registerGlobalEventListener = impl_accessibility_registry_register_global_event_listener;
epv->deregisterGlobalEventListener = impl_accessibility_registry_deregister_global_event_listener;
+ epv->deregisterGlobalEventListenerAll = impl_accessibility_registry_deregister_global_event_listener_all;
epv->getDesktopCount = impl_accessibility_registry_get_desktop_count;
epv->getDesktop = impl_accessibility_registry_get_desktop;
epv->getDesktopList = impl_accessibility_registry_get_desktop_list;
static void
registry_init (Registry *registry)
{
- registry->listeners = NULL;
+ registry->focus_listeners = NULL;
+ registry->window_listeners = NULL;
+ registry->toolkit_listeners = NULL;
registry->applications = NULL;
registry->desktop = desktop_new();
}
NULL /* value table */
};
/*
- * Here we use bonobo_x_type_unique instead of
+ * 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_x_type_unique.
+ * use bonobo_type_unique.
*/
- type = bonobo_x_type_unique (
+ type = bonobo_type_unique (
PARENT_TYPE,
POA_Accessibility_Registry__init,
NULL,