* registryd/Makefile: Add CLEANFILES so that .server file is removed
[platform/core/uifw/at-spi2-atk.git] / registryd / registry.c
index 506843d..417847a 100644 (file)
@@ -2,7 +2,8 @@
  * AT-SPI - Assistive Technology Service Provider Interface
  * (Gnome Accessibility Project; http://developer.gnome.org/projects/gap)
  *
- * Copyright 2001 Sun Microsystems Inc.
+ * Copyright 2001, 2002 Sun Microsystems Inc.,
+ * Copyright 2001, 2002 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.
  */
 
-/*
- * registry.c: test for accessibility implementation
- *
- */
+/* registry.c: the main accessibility service registry implementation */
 
+#undef SPI_LISTENER_DEBUG
+#undef SPI_DEBUG
+
+#include <config.h>
 #ifdef SPI_DEBUG
-#include <stdio.h>
+#  include <stdio.h>
 #endif
-#include <config.h>
-#include <bonobo/Bonobo.h>
 
-/*
- * This pulls the CORBA definitions for the "Accessibility::Registry" server
- */
-#include <libspi/Accessibility.h>
-
-/*
- * This pulls the definition for the BonoboObject (GType)
- */
+#include <bonobo/bonobo-exception.h>
+#include "../libspi/spi-private.h"
 #include "registry.h"
 
-/*
- * Our parent GObject type
- */
-#define PARENT_TYPE LISTENER_TYPE
+/* Our parent GObject type  */
+#define PARENT_TYPE SPI_LISTENER_TYPE
+
+/* A pointer to our parent object class */
+static SpiListenerClass *spi_registry_parent_class;
+
+typedef enum {
+  ETYPE_FOCUS,
+  ETYPE_OBJECT,
+  ETYPE_PROPERTY,
+  ETYPE_WINDOW,
+  ETYPE_TOOLKIT,
+  ETYPE_KEYBOARD,
+  ETYPE_MOUSE,
+  ETYPE_LAST_DEFINED
+} EventTypeCategory;
+
+typedef struct {
+  const char *event_name;
+  EventTypeCategory type_cat;
+  GQuark major;  /* from string segment[1] */
+  GQuark minor;  /* from string segment[1]+segment[2] */
+  GQuark detail; /* from string segment[3] (not concatenated) */
+} EventTypeStruct;
+
+typedef struct {
+  Accessibility_EventListener listener;
+  GQuark            event_type_quark;
+  EventTypeCategory event_type_cat;
+} SpiListenerStruct;
+
+SpiListenerStruct *
+spi_listener_struct_new (Accessibility_EventListener listener, CORBA_Environment *ev)
+{
+  SpiListenerStruct *retval = g_malloc (sizeof (SpiListenerStruct));
+  retval->listener = bonobo_object_dup_ref (listener, ev);
+  return retval;
+}
+
+
+void
+spi_listener_struct_free (SpiListenerStruct *ls, CORBA_Environment *ev)
+{
+  bonobo_object_release_unref (ls->listener, ev);
+  g_free (ls);
+}
+
+static void
+desktop_add_application (SpiDesktop *desktop,
+                        guint index, gpointer data)
+{
+  BonoboObject *registry = BONOBO_OBJECT (data);
+  Accessibility_Event e;
+  CORBA_Environment ev;
+  
+  e.type = "object:children-changed:add";
+  e.source = BONOBO_OBJREF (desktop);
+  e.detail1 = index;
+  e.detail2 = 0;
+  CORBA_exception_init (&ev);
+  Accessibility_Registry_notifyEvent (BONOBO_OBJREF (registry),
+                                     &e, &ev);
+  Accessibility_Desktop_unref (e.source, &ev);
+  CORBA_exception_free (&ev);
+}
+
+
+
+static void
+desktop_remove_application (SpiDesktop *desktop,
+                           guint index, gpointer data)
+{
+  BonoboObject *registry = BONOBO_OBJECT (data);
+  Accessibility_Event e;
+  CORBA_Environment ev;
+  
+  e.type = "object:children-changed:remove";
+  e.source = BONOBO_OBJREF (desktop);
+  e.detail1 = index;
+  e.detail2 = 0;
+  CORBA_exception_init (&ev);
+  Accessibility_Registry_notifyEvent (BONOBO_OBJREF (registry),
+                                     &e, &ev);
+  Accessibility_Desktop_unref (e.source, &ev);
+  CORBA_exception_free (&ev);
+}
 
-/*
- * A pointer to our parent object class
- */
-static ListenerClass *registry_parent_class;
 
-/*
- * Implemented GObject::finalize
- */
 static void
-registry_object_finalize (GObject *object)
+spi_registry_object_finalize (GObject *object)
 {
-/*        Registry *registry = REGISTRY (object); */
-        GObjectClass *object_class = G_OBJECT_GET_CLASS( object);
+  printf ("spi_registry_object_finalize called\n");
 
-        printf("registry_object_finalize called\n");
+  /* TODO: unref deviceeventcontroller, which disconnects key listener */
+  G_OBJECT_CLASS (spi_registry_parent_class)->finalize (object);
+}
+
+static long
+_get_unique_id (void)
+{
+  static long id = 0;
 
-        object_class->finalize (object);
+  return ++id;
 }
 
 /**
@@ -78,18 +153,147 @@ impl_accessibility_registry_register_application (PortableServer_Servant servant
                                                   const Accessibility_Application application,
                                                   CORBA_Environment * ev)
 {
-  Registry *registry = REGISTRY (bonobo_object_from_servant (servant));
+  SpiRegistry *registry = SPI_REGISTRY (bonobo_object_from_servant (servant));
 
 #ifdef SPI_DEBUG
   fprintf (stderr, "registering app %p\n", application);
 #endif
+  spi_desktop_add_application (registry->desktop, application);
+
+  Accessibility_Application__set_id (application, _get_unique_id (), ev);
 
-  registry->desktop->applications = g_list_append (registry->desktop->applications, CORBA_Object_duplicate (application, ev));
   /*
    * TODO: change the implementation below to a WM-aware one;
-   * e.g. don't add all apps to the Desktop
+   * e.g. don't add all apps to the SpiDesktop
    */
-  /*  registry->desktop->applications = registry->applications;*/
+}
+
+#ifdef USE_A_HASH_IN_FUTURE
+static gint
+compare_corba_objects (gconstpointer p1, gconstpointer p2)
+{
+  CORBA_Environment ev;
+  gint retval;
+
+#ifdef SPI_DEBUG
+  fprintf (stderr, "comparing %p to %p\n",
+          p1, p2);
+#endif
+  
+  retval = !CORBA_Object_is_equivalent ((CORBA_Object) p1, (CORBA_Object) p2, &ev);
+  return retval;  
+}
+#endif
+
+static void
+register_with_toolkits (SpiRegistry *spi_registry_bonobo_object, EventTypeStruct *etype, CORBA_Environment *ev)
+{
+  gint n_desktops;
+  gint n_apps;
+  gint i, j;
+  Accessibility_Desktop desktop;
+  Accessibility_Application app;
+  Accessibility_Registry registry;
+  registry  = BONOBO_OBJREF (spi_registry_bonobo_object);
+
+  /* for each app in each desktop, call ...Application_registerToolkitEventListener */
+
+  n_desktops = Accessibility_Registry_getDesktopCount (registry, ev);
+
+  for (i=0; i<n_desktops; ++i)
+    {
+      desktop = Accessibility_Registry_getDesktop (registry, i, ev);
+      n_apps = Accessibility_Desktop__get_childCount (desktop, ev);
+      for (j=0; j<n_apps; ++j)
+        {
+          app = (Accessibility_Application) Accessibility_Desktop_getChildAtIndex (desktop,
+                                                                                   j,
+                                                                                   ev);
+         Accessibility_Application_registerToolkitEventListener (app,
+                                                                 registry,
+                                                                 CORBA_string_dup (etype->event_name),
+                                                                 ev);
+        }
+    }
+}
+
+#ifdef USE_A_HASH_IN_FUTURE
+
+static gint
+compare_listener_quarks (gconstpointer p1, gconstpointer p2)
+{
+       return (((SpiListenerStruct *)p2)->event_type_quark !=
+               ((SpiListenerStruct *)p1)->event_type_quark);
+}
+
+static gint
+compare_listener_corbaref (gconstpointer p1, gconstpointer p2)
+{
+  return compare_corba_objects (((SpiListenerStruct *)p2)->listener,
+                                ((SpiListenerStruct *)p1)->listener);
+}
+#endif
+
+static void
+parse_event_type (EventTypeStruct *etype, const char *event_name)
+{
+  gchar **split_string;
+  gchar *s;
+
+  split_string = g_strsplit (event_name, ":", 4);
+  etype->event_name = event_name;
+
+  if (!g_ascii_strncasecmp (event_name, "focus:", 6))
+    {
+      etype->type_cat = ETYPE_FOCUS;
+    }
+  else if (!g_ascii_strncasecmp (event_name, "mouse:", 6))
+    {
+      etype->type_cat = ETYPE_MOUSE;
+    }
+  else if (!g_ascii_strncasecmp (event_name, "object:", 7))
+    {
+      etype->type_cat = ETYPE_OBJECT;
+    }
+  else if (!g_ascii_strncasecmp (event_name, "window:", 7))
+    {
+      etype->type_cat = ETYPE_WINDOW;
+    }
+  else
+    {
+      etype->type_cat = ETYPE_TOOLKIT;
+    }
+
+  if (split_string[1])
+    {
+      etype->major = g_quark_from_string (split_string[1]);
+      if (split_string[2])
+        {
+          etype->minor = g_quark_from_string (s = g_strconcat (split_string[1], split_string[2], NULL));
+          g_free (s);
+          if (split_string[3])
+            {
+              etype->detail = g_quark_from_string (split_string[3]);
+            }
+          else
+            {
+             etype->detail = g_quark_from_static_string ("");
+            }
+        }
+      else
+        {
+         etype->minor = etype->major;
+         etype->detail = g_quark_from_static_string (""); //etype->major;
+        }
+    }
+  else
+    {
+      etype->major = g_quark_from_static_string ("");
+      etype->minor = etype->major;
+      etype->detail = etype->major;
+    }
+
+  g_strfreev (split_string);
 }
 
 /**
@@ -106,50 +310,148 @@ impl_accessibility_registry_deregister_application (PortableServer_Servant serva
                                                     const Accessibility_Application application,
                                                     CORBA_Environment * ev)
 {
-  Registry *registry = REGISTRY (bonobo_object_from_servant (servant));
-  registry->applications = g_list_remove (registry->applications, application);
+  SpiRegistry *registry = SPI_REGISTRY (bonobo_object_from_servant (servant));
+
+  spi_desktop_remove_application (registry->desktop, application);
+
+#ifdef SPI_DEBUG
+  fprintf (stderr, "de-registered app %p\n", application);
+#endif
+}
+
+static GList **
+get_listener_list (SpiRegistry      *registry,
+                  EventTypeCategory cat)
+{
+  GList **ret;
+  
+  switch (cat)
+    {
+      case ETYPE_OBJECT:
+      case ETYPE_PROPERTY:
+      case ETYPE_FOCUS:
+        ret = &registry->object_listeners;
+       break;
+      case ETYPE_WINDOW:
+       ret = &registry->window_listeners;
+       break;
+      case ETYPE_MOUSE:
+      case ETYPE_TOOLKIT:
+       ret = &registry->toolkit_listeners;
+       break;
+      case ETYPE_KEYBOARD:
+      default:
+        ret = NULL;
+       break;
+    }
+  return ret;
 }
 
 /*
  * CORBA Accessibility::Registry::registerGlobalEventListener method implementation
  */
 static void
-impl_accessibility_registry_register_global_event_listener
-                                            (PortableServer_Servant  servant,
-                                             Accessibility_EventListener listener,
-                                             const CORBA_char *event_name,
-                                             CORBA_Environment      *ev)
+impl_accessibility_registry_register_global_event_listener (
+       PortableServer_Servant      servant,
+       Accessibility_EventListener listener,
+       const CORBA_char           *event_name,
+       CORBA_Environment          *ev)
 {
-  /**
-   *  TODO:
-   *
-   *  distinguish between event types
-   *  register with app toolkits only for requested event types
-   *  maintain list of requested types and number of listeners
-   *  find non-strcmp method of matching event types to listeners
-   *
-   **/
-
-  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 (...) */
+  SpiRegistry *registry = SPI_REGISTRY (bonobo_object_from_servant (servant)); 
+  SpiListenerStruct *ls = spi_listener_struct_new (listener, ev);
+  EventTypeStruct etype;
+  GList          **list;
+
+#ifdef SPI_LISTENER_DEBUG
+  fprintf (stderr, "registering");
+  fprintf (stderr, "registering for events of type %s\n", event_name);
+#endif
+
+  /* parse, check major event type and add listener accordingly */
+  parse_event_type (&etype, event_name);
+  ls->event_type_quark = etype.minor;
+  ls->event_type_cat = etype.type_cat;
+
+  list = get_listener_list (registry, etype.type_cat);
+
+  if (list)
+    {
+      *list = g_list_prepend (*list, ls);
+
+      if (etype.type_cat == ETYPE_TOOLKIT)
+        {
+          register_with_toolkits (registry, &etype, ev);
+       }
+    }
+  else
+    {
+      spi_listener_struct_free (ls, ev);
+    }
+}
+
+static SpiReEntrantContinue
+remove_listener_cb (GList * const *list, gpointer user_data)
+{
+  SpiListenerStruct *ls = (SpiListenerStruct *) (*list)->data;
+  CORBA_Environment  ev;
+  Accessibility_EventListener listener = user_data;
+
+  CORBA_exception_init (&ev);
+       
+  if (CORBA_Object_is_equivalent (ls->listener, listener, &ev))
+    {
+       spi_re_entrant_list_delete_link (list);
+       spi_listener_struct_free (ls, &ev);
+    }
+
+  CORBA_exception_free (&ev);
+
+  return SPI_RE_ENTRANT_CONTINUE;
 }
 
 /*
+ * 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)
+{
+  int i;
+  GList **lists[2];
+  SpiRegistry *registry = SPI_REGISTRY (bonobo_object_from_servant (servant));
+
+  lists[0] = &registry->object_listeners;
+  lists[1] = &registry->window_listeners;
+  lists[2] = &registry->toolkit_listeners;
+
+  for (i = 0; i < sizeof (lists) / sizeof (lists[0]); i++)
+    {
+      spi_re_entrant_list_foreach (lists [i], remove_listener_cb, listener);
+    }
+}
+
+
+/*
  * CORBA Accessibility::Registry::deregisterGlobalEventListener method implementation
  */
 static void
-impl_accessibility_registry_deregister_global_event_listener
-                                                   (PortableServer_Servant  servant,
-                                                    Accessibility_EventListener listener,
-                                                    CORBA_Environment      *ev)
+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"); */
+  SpiRegistry    *registry;
+  EventTypeStruct etype;
+
+  registry = SPI_REGISTRY (bonobo_object_from_servant (servant));
+
+  parse_event_type (&etype, (char *) event_name);
+
+  spi_re_entrant_list_foreach (get_listener_list (registry, etype.type_cat),
+                               remove_listener_cb, listener);
 }
 
 
@@ -171,6 +473,7 @@ impl_accessibility_registry_get_desktop_count (PortableServer_Servant servant,
   return n_desktops;
 }
 
+
 /**
  * getDesktop:
  * @n: the index of the requested @Desktop.
@@ -184,14 +487,13 @@ impl_accessibility_registry_get_desktop (PortableServer_Servant servant,
                                          const CORBA_short n,
                                          CORBA_Environment * ev)
 {
-  Registry *registry = REGISTRY (bonobo_object_from_servant (servant));
+  SpiRegistry *registry = SPI_REGISTRY (bonobo_object_from_servant (servant));
 
   /* TODO: implement support for multiple virtual desktops */
   if (n == 0)
     {
       return (Accessibility_Desktop)
-        CORBA_Object_duplicate (
-             bonobo_object_corba_objref (bonobo_object (registry->desktop)), ev);
+        bonobo_object_dup_ref (BONOBO_OBJREF (registry->desktop), ev);
     }
   else
     {
@@ -199,6 +501,7 @@ impl_accessibility_registry_get_desktop (PortableServer_Servant servant,
     }
 }
 
+
 /**
  * getDesktopList:
  * return values: a sequence containing references to
@@ -211,120 +514,177 @@ static Accessibility_DesktopSeq *
 impl_accessibility_registry_get_desktop_list (PortableServer_Servant servant,
                                               CORBA_Environment * ev)
 {
-  /* TODO: implement support for multiple virtual desktops */
-  return (Accessibility_DesktopSeq *) NULL;
+  SpiRegistry *registry = SPI_REGISTRY (bonobo_object_from_servant (servant));
+  Accessibility_DesktopSeq *desktops;
+
+  desktops = Accessibility_DesktopSeq__alloc ();
+  desktops->_length = desktops->_maximum = 1;
+  desktops->_buffer = Accessibility_DesktopSeq_allocbuf (desktops->_length);
+  desktops->_buffer [0] = bonobo_object_dup_ref (BONOBO_OBJREF (registry->desktop), ev);
+
+  return desktops;
 }
 
-static CORBA_Object
+
+static Accessibility_DeviceEventController
 impl_accessibility_registry_get_device_event_controller (PortableServer_Servant servant,
-                                                         CORBA_Environment * ev)
+                                                        CORBA_Environment     *ev)
 {
-  /* TODO: not yet implemented! */
-  return CORBA_OBJECT_NIL;
+  SpiRegistry *registry = SPI_REGISTRY (bonobo_object_from_servant (servant));
+
+  if (!registry->de_controller)
+    {
+      registry->de_controller = spi_device_event_controller_new (registry);
+    }
+
+  return bonobo_object_dup_ref (BONOBO_OBJREF (registry->de_controller), ev);
 }
 
-static void
-impl_registry_notify_event (PortableServer_Servant servant,
-                            const Accessibility_Event *e,
-                            CORBA_Environment *ev)
+typedef struct {
+  CORBA_Environment  *ev;
+  Bonobo_Unknown      source;
+  EventTypeStruct     etype;
+  Accessibility_Event e_out;
+} NotifyContext;
+
+static SpiReEntrantContinue
+notify_listeners_cb (GList * const *list, gpointer user_data)
 {
-  int n;
-  int len;
-  Registry *registry = REGISTRY (bonobo_object_from_servant (servant));
-
-  /**
-   *  TODO:
-   *
-   *  distinguish between event types
-   *  find non-strcmp method of matching event types to listeners
-   *
-   **/
-
-  len = g_list_length (registry->listeners);
-  /* fprintf(stderr, "%d listeners registered\n", len); */
-
-  for (n=0; n<len; ++n)
+  SpiListenerStruct *ls;
+  NotifyContext     *ctx = user_data;
+#ifdef SPI_DEBUG
+  CORBA_string       s;
+#endif
+
+  ls = (*list)->data;
+
+#ifdef SPI_LISTENER_DEBUG
+  fprintf (stderr, "event quarks: %lx %lx %lx\n", ls->event_type_quark, ctx->etype.major, ctx->etype.minor);
+  fprintf (stderr, "event name: %s\n", ctx->etype.event_name);
+#endif
+
+  if ((ls->event_type_quark == ctx->etype.major) ||
+      (ls->event_type_quark == ctx->etype.minor))
     {
 #ifdef SPI_DEBUG
-      fprintf(stderr, "notifying listener #%d\n", n);
-      fprintf(stderr, "event name %s\n", Accessibility_Accessible__get_name(e->target, ev));
+      fprintf (stderr, "notifying listener %d\n", 0);
+/* g_list_index (list, l->data)); */
+      s = Accessibility_Accessible__get_name (ctx->source, ctx->ev);
+      fprintf (stderr, "event source name %s\n", s);
+      CORBA_free (s);
 #endif
-      Accessibility_EventListener_notifyEvent (
-               (Accessibility_EventListener) g_list_nth_data (registry->listeners, n),
-               e,
-               ev);
-    }
+      
+      ctx->e_out.source = CORBA_Object_duplicate (ctx->source, ctx->ev);
+
+      if (BONOBO_EX (ctx->ev))
+        {
+          return SPI_RE_ENTRANT_CONTINUE;
+       }
+      
+      if ((*list) && (*list)->data == ls)
+        {
+          Accessibility_EventListener_notifyEvent (
+            (Accessibility_EventListener) ls->listener, &ctx->e_out, ctx->ev);
+          if (ctx->ev->_major != CORBA_NO_EXCEPTION)
+            {
+              g_warning ("Accessibility app error: exception during "
+                       "event notification: %s\n",
+                       CORBA_exception_id (ctx->ev));
+             if (ctx->ev->_major == CORBA_SYSTEM_EXCEPTION)
+                     CORBA_exception_init (ctx->ev);
+             /* clear system exception on notify, it means listener is dead but
+              * that's no concern of the event source :-) */
+           }
+       }
+      else /* dup re-entered */
+        {
+          CORBA_Object_release (ctx->e_out.source, ctx->ev);
+       }
+    }  
+
+  return SPI_RE_ENTRANT_CONTINUE;
 }
 
 static void
-registry_class_init (RegistryClass *klass)
+impl_registry_notify_event (PortableServer_Servant     servant,
+                            const Accessibility_Event *e,
+                            CORBA_Environment         *ev)
 {
-        GObjectClass * object_class = (GObjectClass *) klass;
-        POA_Accessibility_Registry__epv *epv = &klass->epv;
-
-        registry_parent_class = g_type_class_ref (LISTENER_TYPE);
-
-        object_class->finalize = registry_object_finalize;
-
-        epv->registerApplication = impl_accessibility_registry_register_application;
-        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->getDesktopCount = impl_accessibility_registry_get_desktop_count;
-        epv->getDesktop = impl_accessibility_registry_get_desktop;
-        epv->getDesktopList = impl_accessibility_registry_get_desktop_list;
-        epv->getDeviceEventController = impl_accessibility_registry_get_device_event_controller;
-        ((ListenerClass *) klass)->epv.notifyEvent = impl_registry_notify_event;
+  SpiRegistry  *registry;
+  GList       **list;
+  NotifyContext ctx;
+
+  registry = SPI_REGISTRY (bonobo_object_from_servant (servant));
+
+  parse_event_type (&ctx.etype, e->type);
+
+  list = get_listener_list (registry, ctx.etype.type_cat);
+
+  if (list)
+    {
+      ctx.ev = ev;
+      ctx.e_out = *e;
+      ctx.source = e->source;
+
+      spi_re_entrant_list_foreach (list, notify_listeners_cb, &ctx);
+    }
+
 }
 
+
 static void
-registry_init (Registry *registry)
+spi_registry_class_init (SpiRegistryClass *klass)
 {
-  registry->listeners = NULL;
-  registry->applications = NULL;
-  registry->desktop = desktop_new();
+  GObjectClass * object_class = (GObjectClass *) klass;
+  POA_Accessibility_Registry__epv *epv = &klass->epv;
+
+  spi_registry_parent_class = g_type_class_ref (SPI_LISTENER_TYPE);
+  
+  object_class->finalize = spi_registry_object_finalize;
+
+  klass->parent_class.epv.notifyEvent   = impl_registry_notify_event;
+  
+  epv->registerApplication              = impl_accessibility_registry_register_application;
+  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->getDeviceEventController         = impl_accessibility_registry_get_device_event_controller;
+  epv->getDesktopCount                  = impl_accessibility_registry_get_desktop_count;
+  epv->getDesktop                       = impl_accessibility_registry_get_desktop;
+  epv->getDesktopList                   = impl_accessibility_registry_get_desktop_list;
 }
 
-GType
-registry_get_type (void)
+static void
+spi_registry_init (SpiRegistry *registry)
 {
-        static GType type = 0;
-
-        if (!type) {
-                static const GTypeInfo tinfo = {
-                        sizeof (RegistryClass),
-                        (GBaseInitFunc) NULL,
-                        (GBaseFinalizeFunc) NULL,
-                        (GClassInitFunc) registry_class_init,
-                        (GClassFinalizeFunc) NULL,
-                        NULL, /* class data */
-                        sizeof (Registry),
-                        0, /* n preallocs */
-                        (GInstanceInitFunc) registry_init,
-                        NULL /* value table */
-                };
-                /*
-                 *   Here we use bonobo_x_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.
-                 */
-                type = bonobo_x_type_unique (
-                        PARENT_TYPE,
-                        POA_Accessibility_Registry__init,
-                        NULL,
-                        G_STRUCT_OFFSET (RegistryClass, epv),
-                        &tinfo,
-                        "Registry");
-        }
-
-        return type;
+  registry->object_listeners = NULL;
+  registry->window_listeners = NULL;
+  registry->toolkit_listeners = NULL;
+  registry->desktop = spi_desktop_new ();
+  /* Register callback notification for application addition and removal */
+  g_signal_connect (G_OBJECT (registry->desktop),
+                   "application_added",
+                   G_CALLBACK (desktop_add_application),
+                   registry);
+
+  g_signal_connect (G_OBJECT (registry->desktop),
+                   "application_removed",
+                   G_CALLBACK (desktop_remove_application),
+                   registry);
+
+  registry->de_controller = spi_device_event_controller_new (registry);
 }
 
-Registry *
-registry_new (void)
+BONOBO_TYPE_FUNC_FULL (SpiRegistry,
+                      Accessibility_Registry,
+                      PARENT_TYPE,
+                      spi_registry);
+
+SpiRegistry *
+spi_registry_new (void)
 {
-    Registry *retval =
-               REGISTRY (g_object_new (registry_get_type (), NULL));
-    return retval;
+  SpiRegistry *retval = g_object_new (SPI_REGISTRY_TYPE, NULL);
+  bonobo_object_set_immortal (BONOBO_OBJECT (retval), TRUE);
+  return retval;
 }