/*
- * registry.c: test for accessibility implementation
+ * AT-SPI - Assistive Technology Service Provider Interface
+ * (Gnome Accessibility Project; http://developer.gnome.org/projects/gap)
*
+ * Copyright 2008, Codethink Ltd.
+ * 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
+ * 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.
*/
-#define DEBUG_PRINTSTUFF
-#ifdef DEBUG_PRINTSTUFF
-#include <stdio.h>
-#endif
-#include <config.h>
-#include <bonobo/Bonobo.h>
-/*
- * This pulls the CORBA definitions for the "Accessibility::Registry" server
- */
-#include "Registry.h"
+#include <config.h>
+#include <spi-common/spi-dbus.h>
+#include <dbus/dbus-glib-lowlevel.h>
-/*
- * This pulls the definition for the BonoboObject (GType)
- */
#include "registry.h"
-/*
- * Our parent GObject type
- */
-#define PARENT_TYPE LISTENER_TYPE
-
-/*
- * A pointer to our parent object class
- */
-static ListenerClass *registry_parent_class;
-
-/*
- * Implemented GObject::finalize
- */
-static void
-registry_object_finalize (GObject *object)
+enum
{
-/* Registry *registry = REGISTRY (object); */
- GObjectClass *object_class = G_OBJECT_GET_CLASS( object);
+ REGISTRY_APPLICATION_REMOVE = 0,
+ REGISTRY_APPLICATION_ADD = 1
+};
- printf("registry_object_finalize called\n");
+/*---------------------------------------------------------------------------*/
- object_class->finalize (object);
-}
+G_DEFINE_TYPE(SpiRegistry, spi_registry, G_TYPE_OBJECT)
-/**
- * registerApplication:
- * @application: a reference to the requesting @Application
- * return values: void
- *
- * Register a new application with the accessibility broker.
- *
- **/
static void
-impl_accessibility_registry_register_application (PortableServer_Servant servant,
- const Accessibility_Application application,
- CORBA_Environment * ev)
+spi_registry_class_init (SpiRegistryClass *klass)
{
- Registry *registry = REGISTRY (bonobo_object_from_servant (servant));
-
- fprintf (stderr, "registering app %p\n", application);
- 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
- */
- /* registry->desktop->applications = registry->applications;*/
-}
+ GObjectClass * object_class = (GObjectClass *) klass;
-/**
- * deregisterApplication:
- * @application: a reference to the @Application
- * to be deregistered.
- * return values: void
- *
- * De-register an application previously registered with the broker.
- *
- **/
-static void
-impl_accessibility_registry_deregister_application (PortableServer_Servant servant,
- const Accessibility_Application application,
- CORBA_Environment * ev)
-{
- Registry *registry = REGISTRY (bonobo_object_from_servant (servant));
- registry->applications = g_list_remove (registry->applications, application);
+ spi_registry_parent_class = g_type_class_ref (G_TYPE_OBJECT);
}
-/*
- * 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)
+spi_registry_init (SpiRegistry *registry)
{
- /**
- * 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 (...) */
+ registry->apps = g_sequence_new (g_free);
}
-/*
- * CORBA Accessibility::Registry::deregisterGlobalEventListener method implementation
- */
-static void
-impl_accessibility_registry_deregister_global_event_listener
- (PortableServer_Servant servant,
- Accessibility_EventListener listener,
- CORBA_Environment *ev)
+/*---------------------------------------------------------------------------*/
+
+static void emit(SpiRegistry *reg, const char *itf, const char *name, int ftype, ...)
{
- 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"); */
+ va_list arg;
+
+ va_start(arg, ftype);
+ spi_dbus_emit_valist(reg->bus, SPI_DBUS_PATH_DEC, itf, name, ftype, arg);
+ va_end(arg);
}
+/*---------------------------------------------------------------------------*/
-/**
- * getDesktopCount:
- * return values: a short integer indicating the current number of
- * @Desktops.
- *
- * Get the current number of desktops.
- *
- **/
-static short
-impl_accessibility_registry_get_desktop_count (PortableServer_Servant servant,
- CORBA_Environment * ev)
+static gint
+data_str_cmp (gpointer a, gpointer b, gpointer data)
{
- /* TODO: implement support for multiple virtual desktops */
- CORBA_short n_desktops;
- n_desktops = (CORBA_short) 1;
- return n_desktops;
+ return g_strcmp0(a, b);
}
-/**
- * getDesktop:
- * @n: the index of the requested @Desktop.
- * return values: a reference to the requested @Desktop.
- *
- * Get the nth accessible desktop.
- *
- **/
-static Accessibility_Desktop
-impl_accessibility_registry_get_desktop (PortableServer_Servant servant,
- const CORBA_short n,
- CORBA_Environment * ev)
+static gboolean
+seq_add_string (GSequence *seq, gchar *str)
{
- Registry *registry = REGISTRY (bonobo_object_from_servant (servant));
+ GSequenceIter *iter;
+ gchar *item;
+ gboolean res = FALSE;
+
+ iter = g_sequence_search (seq, str, (GCompareDataFunc) data_str_cmp, NULL);
+ iter = g_sequence_iter_prev (iter);
- /* TODO: implement support for multiple virtual desktops */
- if (n == 0)
+ if (!g_sequence_iter_is_end (iter))
{
- return (Accessibility_Desktop)
- CORBA_Object_duplicate (
- bonobo_object_corba_objref (bonobo_object (registry->desktop)), ev);
+ item = g_sequence_get (iter);
+ if (g_strcmp0 (item, str))
+ {
+ g_sequence_insert_sorted (seq, g_strdup(str), (GCompareDataFunc) data_str_cmp, NULL);
+ res = TRUE;
+ }
}
else
{
- return (Accessibility_Desktop) CORBA_OBJECT_NIL;
+ g_sequence_insert_sorted (seq, g_strdup(str), (GCompareDataFunc) data_str_cmp, NULL);
+ res = TRUE;
}
+
+ return res;
}
-/**
- * getDesktopList:
- * return values: a sequence containing references to
- * the @Desktops.
- *
- * Get a list of accessible desktops.
- *
- **/
-static Accessibility_DesktopSeq *
-impl_accessibility_registry_get_desktop_list (PortableServer_Servant servant,
- CORBA_Environment * ev)
+static gboolean
+seq_remove_string (GSequence *seq, gchar *str)
{
- /* TODO: implement support for multiple virtual desktops */
- return (Accessibility_DesktopSeq *) NULL;
+ GSequenceIter *iter;
+ gchar *item;
+ gboolean res = FALSE;
+
+ iter = g_sequence_search (seq, str, (GCompareDataFunc) data_str_cmp, NULL);
+ iter = g_sequence_iter_prev (iter);
+
+ if (!g_sequence_iter_is_end (iter))
+ {
+ item = g_sequence_get (iter);
+ if (!g_strcmp0 (item, str))
+ {
+ g_sequence_remove (iter);
+ res = TRUE;
+ }
+ }
+ return res;
}
-static CORBA_Object
-impl_accessibility_registry_get_device_event_controller (PortableServer_Servant servant,
- CORBA_Environment * ev)
+static void
+add_application (DBusConnection *bus, SpiRegistry *reg, gchar *app)
{
- /* TODO: not yet implemented! */
- return CORBA_OBJECT_NIL;
+ guint add = REGISTRY_APPLICATION_ADD;
+
+ if (seq_add_string (reg->apps, app))
+ {
+ emit (reg,
+ SPI_DBUS_INTERFACE_REGISTRY,
+ "updateApplications",
+ DBUS_TYPE_INT32,
+ &add,
+ DBUS_TYPE_STRING,
+ &app,
+ DBUS_TYPE_INVALID);
+ }
}
static void
-impl_registry_notify_event (PortableServer_Servant servant,
- const Accessibility_Event *e,
- CORBA_Environment *ev)
+remove_application (DBusConnection *bus, SpiRegistry *reg, gchar *app)
{
- 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)
+ guint remove = REGISTRY_APPLICATION_REMOVE;
+
+ if (seq_remove_string (reg->apps, app))
{
- /* 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);
+ /*TODO spi_remove_device_listeners (registry->de_controller, old);*/
+ emit (reg,
+ SPI_DBUS_INTERFACE_REGISTRY,
+ "updateApplications",
+ DBUS_TYPE_INT32,
+ &remove,
+ DBUS_TYPE_STRING,
+ &app,
+ DBUS_TYPE_INVALID);
}
}
+/*---------------------------------------------------------------------------*/
+
+static void
+add_bus_name_cb (gpointer item, gpointer data)
+{
+ DBusMessageIter *iter_array = (DBusMessageIter *) data;
+
+ dbus_message_iter_append_basic (iter_array, DBUS_TYPE_STRING, (gchar **) &item);
+}
+
+static DBusMessage *
+impl_getApplications (DBusConnection *bus, DBusMessage *message, void *user_data)
+{
+ DBusMessage *reply;
+ DBusMessageIter iter, iter_array;
+ SpiRegistry *reg = SPI_REGISTRY (user_data);
+
+ reply = dbus_message_new_method_return (message);
+
+ dbus_message_iter_init_append (reply, &iter);
+ dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "s", &iter_array);
+ g_sequence_foreach (reg->apps, add_bus_name_cb, &iter_array);
+ dbus_message_iter_close_container(&iter, &iter_array);
+ return reply;
+}
+
+/*---------------------------------------------------------------------------*/
+
static void
-registry_class_init (RegistryClass *klass)
+impl_registerApplication (DBusConnection *bus, DBusMessage *message, void *user_data)
{
- 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;
+ gchar *app_name;
+ SpiRegistry *reg = SPI_REGISTRY (user_data);
+
+ if (dbus_message_get_args (message, NULL, DBUS_TYPE_STRING, &app_name, DBUS_TYPE_INVALID))
+ add_application(bus, reg, app_name);
}
static void
-registry_init (Registry *registry)
+impl_deregisterApplication (DBusConnection *bus, DBusMessage *message, void *user_data)
{
- registry->listeners = NULL;
- registry->applications = NULL;
- registry->desktop = desktop_new();
+ gchar *app_name;
+ SpiRegistry *reg = SPI_REGISTRY (user_data);
+
+ if (dbus_message_get_args (message, NULL, DBUS_TYPE_STRING, &app_name, DBUS_TYPE_INVALID))
+ remove_application(bus, reg, app_name);
}
-GType
-registry_get_type (void)
+/*---------------------------------------------------------------------------*/
+
+static void
+handle_disconnection (DBusConnection *bus, DBusMessage *message, void *user_data)
{
- 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");
+ char *name, *old, *new;
+ SpiRegistry *reg = SPI_REGISTRY (user_data);
+
+ if (dbus_message_get_args (message, NULL,
+ DBUS_TYPE_STRING, &name,
+ DBUS_TYPE_STRING, &old,
+ DBUS_TYPE_STRING, &new,
+ DBUS_TYPE_INVALID))
+ {
+ if (*old != '\0' && *new == '\0')
+ {
+ remove_application(bus, reg, old);
}
+ }
+}
+
+/*---------------------------------------------------------------------------*/
- return type;
+static DBusHandlerResult
+signal_filter (DBusConnection *bus, DBusMessage *message, void *user_data)
+{
+ SpiRegistry *registry = SPI_REGISTRY (user_data);
+ guint res = DBUS_HANDLER_RESULT_HANDLED;
+ const char *iface = dbus_message_get_interface (message);
+ const char *member = dbus_message_get_member (message);
+
+ if (!g_strcmp0(iface, DBUS_INTERFACE_DBUS) && !g_strcmp0(member, "NameOwnerChanged"))
+ handle_disconnection (bus, message, user_data);
+ else
+ res = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
+
+ return res;
}
-Registry *
-registry_new (void)
+/*---------------------------------------------------------------------------*/
+
+static gchar *app_sig_match_name_owner =
+ "type='signal', interface='org.freedesktop.DBus', member='NameOwnerChanged'";
+
+static DRouteMethod dev_methods[] =
{
- Registry *retval =
- REGISTRY (g_object_new (registry_get_type (), NULL));
- return retval;
+ { impl_getApplications, "getApplications" },
+ { impl_registerApplication, "registerApplication" },
+ { impl_deregisterApplication, "deregisterApplication" },
+ { NULL, NULL }
+};
+
+SpiRegistry *
+spi_registry_new (DBusConnection *bus, DRouteContext *droute)
+{
+ SpiRegistry *reg = g_object_new (SPI_REGISTRY_TYPE, NULL);
+ DRoutePath *path;
+
+ reg->bus = bus;
+
+ dbus_bus_add_match (bus, app_sig_match_name_owner, NULL);
+ dbus_connection_add_filter (bus, signal_filter, reg, NULL);
+
+ path = droute_add_one (droute,
+ SPI_DBUS_PATH_REGISTRY,
+ reg);
+
+ droute_path_add_interface (path,
+ SPI_DBUS_INTERFACE_REGISTRY,
+ dev_methods,
+ NULL);
+
+ return reg;
}
+
+/*END------------------------------------------------------------------------*/