* AT-SPI - Assistive Technology Service Provider Interface
* (Gnome Accessibility Project; http://developer.gnome.org/projects/gap)
*
- * Copyright 2001 Sun Microsystems Inc.
+ * 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
* Boston, MA 02111-1307, USA.
*/
-/*
- * registry.c: test for accessibility implementation
- *
- */
-
-#ifdef SPI_DEBUG
-#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>
+#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
+enum
+{
+ REGISTRY_APPLICATION_REMOVE = 0,
+ REGISTRY_APPLICATION_ADD = 1
+};
-/*
- * A pointer to our parent object class
- */
-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);
+/*---------------------------------------------------------------------------*/
+
+G_DEFINE_TYPE(SpiRegistry, spi_registry, G_TYPE_OBJECT)
-/*
- * Implemented GObject::finalize
- */
static void
-registry_object_finalize (GObject *object)
+spi_registry_class_init (SpiRegistryClass *klass)
{
-/* Registry *registry = REGISTRY (object); */
- GObjectClass *object_class = G_OBJECT_GET_CLASS( object);
+ GObjectClass * object_class = (GObjectClass *) klass;
- printf("registry_object_finalize called\n");
-
- object_class->finalize (object);
+ spi_registry_parent_class = g_type_class_ref (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_init (SpiRegistry *registry)
{
- Registry *registry = REGISTRY (bonobo_object_from_servant (servant));
-
-#ifdef SPI_DEBUG
- fprintf (stderr, "registering app %p\n", application);
-#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->apps = g_sequence_new (g_free);
}
-static gint
-compare_object_hash (gconstpointer p1, gconstpointer p2)
+/*---------------------------------------------------------------------------*/
+
+static void emit(SpiRegistry *reg, const char *itf, const char *name, int ftype, ...)
{
- 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));
+ va_list arg;
+
+ va_start(arg, ftype);
+ spi_dbus_emit_valist(reg->bus, SPI_DBUS_PATH_DEC, itf, name, ftype, arg);
+ va_end(arg);
}
+/*---------------------------------------------------------------------------*/
+
static gint
-compare_listener_hash (gconstpointer p1, gconstpointer p2)
+data_str_cmp (gpointer a, gpointer b, gpointer data)
{
- return (((ListenerStruct *)p2)->event_type_hash - ((ListenerStruct *)p1)->event_type_hash);
+ return g_strcmp0(a, b);
}
-static void
-parse_event_type (EventTypeStruct *etype, char *event_name)
+static gboolean
+seq_add_string (GSequence *seq, gchar *str)
{
- 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);
+ GSequenceIter *iter;
+ gchar *item;
+ gboolean res = FALSE;
- nbytes = (guint)((gint64) minor_delim_char -
- (gint64) major_delim_char);
+ iter = g_sequence_search (seq, str, (GCompareDataFunc) data_str_cmp, NULL);
+ iter = g_sequence_iter_prev (iter);
- fprintf ("nbytes = %ld", (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)
+ if (!g_sequence_iter_is_end (iter))
{
- etype->detail = g_strdup (minor_delim_char);
+ 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
{
- etype->detail = g_strdup ("");
+ g_sequence_insert_sorted (seq, g_strdup(str), (GCompareDataFunc) data_str_cmp, NULL);
+ res = TRUE;
}
-
- /* TODO: don't forget to free the strings from caller when done ! */
+ return res;
}
-/**
- * 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)
+static gboolean
+seq_remove_string (GSequence *seq, gchar *str)
{
- Registry *registry = REGISTRY (bonobo_object_from_servant (servant));
- 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);
- }
-}
+ GSequenceIter *iter;
+ gchar *item;
+ gboolean res = FALSE;
-/*
- * 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)
-{
- /**
- * 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); */
- 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)
+ iter = g_sequence_search (seq, str, (GCompareDataFunc) data_str_cmp, NULL);
+ iter = g_sequence_iter_prev (iter);
+
+ if (!g_sequence_iter_is_end (iter))
{
- 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;
+ item = g_sequence_get (iter);
+ if (!g_strcmp0 (item, str))
+ {
+ g_sequence_remove (iter);
+ res = TRUE;
+ }
}
+ return res;
}
-/*
- * 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)
+add_application (DBusConnection *bus, SpiRegistry *reg, gchar *app)
{
- Registry *registry = REGISTRY (bonobo_object_from_servant (servant));
- GList *list = g_list_find_custom (registry->focus_listeners, listener, compare_object_hash);
- while (list)
+ guint add = REGISTRY_APPLICATION_ADD;
+
+ if (seq_add_string (reg->apps, app))
{
- 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);
+ emit (reg,
+ SPI_DBUS_INTERFACE_REGISTRY,
+ "updateApplications",
+ DBUS_TYPE_INT32,
+ &add,
+ DBUS_TYPE_STRING,
+ &app,
+ DBUS_TYPE_INVALID);
}
}
-/*
- * CORBA Accessibility::Registry::deregisterGlobalEventListener method implementation
- */
static void
-impl_accessibility_registry_deregister_global_event_listener
- (PortableServer_Servant servant,
- Accessibility_EventListener listener,
- const CORBA_char * event_name,
- CORBA_Environment *ev)
+remove_application (DBusConnection *bus, SpiRegistry *reg, gchar *app)
{
- Registry *registry = REGISTRY (bonobo_object_from_servant (servant));
- 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)
+ guint remove = REGISTRY_APPLICATION_REMOVE;
+
+ if (seq_remove_string (reg->apps, app))
{
- fprintf (stderr, "deregistering listener\n");
- registry->applications = g_list_delete_link (registry->focus_listeners, list);
+ /*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);
}
}
+/*---------------------------------------------------------------------------*/
-/**
- * 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 void
+add_bus_name_cb (gpointer item, gpointer data)
{
- /* TODO: implement support for multiple virtual desktops */
- CORBA_short n_desktops;
- n_desktops = (CORBA_short) 1;
- return n_desktops;
+ DBusMessageIter *iter_array = (DBusMessageIter *) data;
+
+ dbus_message_iter_append_basic (iter_array, DBUS_TYPE_STRING, (gchar **) &item);
}
-/**
- * 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 DBusMessage *
+impl_getApplications (DBusConnection *bus, DBusMessage *message, void *user_data)
{
- Registry *registry = REGISTRY (bonobo_object_from_servant (servant));
+ DBusMessage *reply;
+ DBusMessageIter iter, iter_array;
+ SpiRegistry *reg = SPI_REGISTRY (user_data);
- /* 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);
- }
- else
- {
- return (Accessibility_Desktop) CORBA_OBJECT_NIL;
- }
-}
+ reply = dbus_message_new_method_return (message);
-/**
- * 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)
-{
- /* TODO: implement support for multiple virtual desktops */
- return (Accessibility_DesktopSeq *) NULL;
+ 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 CORBA_Object
-impl_accessibility_registry_get_device_event_controller (PortableServer_Servant servant,
- CORBA_Environment * ev)
+/*---------------------------------------------------------------------------*/
+
+static void
+impl_registerApplication (DBusConnection *bus, DBusMessage *message, void *user_data)
{
- /* TODO: not yet implemented! */
- return CORBA_OBJECT_NIL;
+ 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
-impl_registry_notify_event (PortableServer_Servant servant,
- const Accessibility_Event *e,
- CORBA_Environment *ev)
+impl_deregisterApplication (DBusConnection *bus, DBusMessage *message, void *user_data)
{
- Registry *registry = REGISTRY (bonobo_object_from_servant (servant));
- EventTypeStruct etype;
+ gchar *app_name;
+ SpiRegistry *reg = SPI_REGISTRY (user_data);
- 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);
+ if (dbus_message_get_args (message, NULL, DBUS_TYPE_STRING, &app_name, DBUS_TYPE_INVALID))
+ remove_application(bus, reg, app_name);
}
+/*---------------------------------------------------------------------------*/
+
static void
-registry_notify_listeners ( GList *listeners,
- const Accessibility_Event *e,
- CORBA_Environment *ev)
+handle_disconnection (DBusConnection *bus, DBusMessage *message, void *user_data)
{
- int n;
- int len;
- ListenerStruct *ls;
- EventTypeStruct etype;
- parse_event_type (&etype, e->type);
- len = g_list_length (listeners);
-
- for (n=0; n<len; ++n)
+ 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))
{
- 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) || (TRUE))
+ if (*old != '\0' && *new == '\0')
{
-#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);
- }
+ remove_application(bus, reg, old);
}
}
}
-static void
-registry_class_init (RegistryClass *klass)
-{
- 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->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;
- epv->getDeviceEventController = impl_accessibility_registry_get_device_event_controller;
- ((ListenerClass *) klass)->epv.notifyEvent = impl_registry_notify_event;
-}
+/*---------------------------------------------------------------------------*/
-static void
-registry_init (Registry *registry)
+static DBusHandlerResult
+signal_filter (DBusConnection *bus, DBusMessage *message, void *user_data)
{
- registry->focus_listeners = NULL;
- registry->window_listeners = NULL;
- registry->toolkit_listeners = NULL;
- registry->applications = NULL;
- registry->desktop = desktop_new();
-}
+ 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);
-GType
-registry_get_type (void)
-{
- 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_type_unique instead of
- * gtk_type_unique, this 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_Registry__init,
- NULL,
- G_STRUCT_OFFSET (RegistryClass, epv),
- &tinfo,
- "Registry");
- }
+ 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 type;
+ 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[] =
+{
+ { impl_getApplications, "getApplications" },
+ { impl_registerApplication, "registerApplication" },
+ { impl_deregisterApplication, "deregisterApplication" },
+ { NULL, NULL }
+};
+
+SpiRegistry *
+spi_registry_new (DBusConnection *bus, DRouteContext *droute)
{
- Registry *retval =
- REGISTRY (g_object_new (registry_get_type (), NULL));
- return retval;
+ 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_DEC,
+ dev_methods,
+ NULL);
+
+ return reg;
}
+
+/*END------------------------------------------------------------------------*/
projects / platform / core / uifw / at-spi2-atk.git / blobdiff