* 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
#include <stdio.h>
#include <stdlib.h>
+#include <stdarg.h>
#include <libbonobo.h>
#include <orbit/orbit.h>
+#include <glib-object.h>
#include <atk/atk.h>
#include <atk/atkobject.h>
+#include <atk/atknoopobject.h>
#include <libspi/Accessibility.h>
#include "accessible.h"
#include "application.h"
-#define APP_STATIC_BUFF_SZ 64
+#include <bonobo-activation/bonobo-activation-register.h>
-typedef struct _ArgStruct ArgStruct;
+#undef SPI_BRIDGE_DEBUG
-struct _ArgStruct {
- gint c;
- char **v;
-};
+#define DBG(a,b) if(_dbg>=(a))b
+
+static int _dbg;
static CORBA_Environment ev;
-static Accessibility_SpiRegistry registry;
-static SpiApplication *this_app;
-
-static gboolean bridge_register_app (gpointer p);
-static void bridge_focus_tracker (AtkObject *object);
-static void bridge_exit_func(void);
-static gboolean bridge_register_event_listener ();
-static void register_atk_event_listeners();
-static gboolean bridge_property_event_listener (GSignalInvocationHint *signal_hint,
- guint n_param_values,
- const GValue *param_values,
- gpointer data);
-static gboolean bridge_signal_listener (GSignalInvocationHint *signal_hint,
- guint n_param_values,
- const GValue *param_values,
- gpointer data);
+static Accessibility_Registry registry = NULL;
+static SpiApplication *this_app = NULL;
+static gboolean registry_died = FALSE;
+static guint toplevel_handler;
+
+/* NOT YET USED
+ static GQuark atk_quark_property_changed_name;
+ static GQuark atk_quark_property_changed_description;
+ static GQuark atk_quark_property_changed_parent;
+ static GQuark atk_quark_property_changed_role;
+ static GQuark atk_quark_property_changed_table_caption;
+ static GQuark atk_quark_property_changed_table_column_description;
+ static GQuark atk_quark_property_changed_table_row_description;
+ static guint atk_signal_property_changed;
+*/
+
+static guint atk_signal_text_changed;
+static guint atk_signal_child_changed;
+
+/* NOT YET USED
+ static guint atk_signal_text_selection_changed;
+ static guint atk_signal_active_descendant_changed;
+ static guint atk_signal_row_reordered;
+ static guint atk_signal_row_inserted;
+ static guint atk_signal_row_deleted;
+ static guint atk_signal_column_reordered;
+ static guint atk_signal_column_inserted;
+ static guint atk_signal_column_deleted;
+*/
+
+#define ATK_BRIDGE_RESERVED_CONTEXT_SIZE 16
+
+typedef enum {
+ ATK_BRIDGE_CONTEXT_TYPE_NONE = 0,
+ ATK_BRIDGE_CONTEXT_TYPE_STRING,
+ ATK_BRIDGE_CONTEXT_TYPE_OBJECT
+} AtkBridgeEventContextType;
+
+typedef union {
+ gchar *string;
+ AtkObject *object;
+ gpointer *foo;
+} AtkBridgeEventContextData;
+
+typedef struct {
+ AtkBridgeEventContextType _type;
+ AtkBridgeEventContextData _data;
+} AtkBridgeEventContext;
+
+static Accessibility_Registry spi_atk_bridge_get_registry (void);
+static void spi_atk_bridge_do_registration (void);
+static void spi_atk_bridge_toplevel_added (AtkObject *object,
+ guint index,
+ AtkObject *child);
+
+static void spi_atk_bridge_exit_func (void);
+static void spi_atk_register_event_listeners (void);
+static void spi_atk_bridge_focus_tracker (AtkObject *object);
+static void spi_atk_bridge_register_application (Accessibility_Registry registry);
+static gboolean spi_atk_bridge_property_event_listener (GSignalInvocationHint *signal_hint,
+ guint n_param_values,
+ const GValue *param_values,
+ gpointer data);
+static gboolean
+spi_atk_bridge_window_event_listener (GSignalInvocationHint *signal_hint,
+ guint n_param_values,
+ const GValue *param_values,
+ gpointer data);
+static gboolean
+spi_atk_bridge_state_event_listener (GSignalInvocationHint *signal_hint,
+ guint n_param_values,
+ const GValue *param_values,
+ gpointer data);
+static gboolean spi_atk_bridge_signal_listener (GSignalInvocationHint *signal_hint,
+ guint n_param_values,
+ const GValue *param_values,
+ gpointer data);
+static gint spi_atk_bridge_key_listener (AtkKeyEventStruct *event,
+ gpointer data);
+
+/* For automatic libgnome init */
+extern void gnome_accessibility_module_init (void);
+extern void gnome_accessibility_module_shutdown (void);
+
+static int atk_bridge_initialized = FALSE;
+static guint atk_bridge_focus_tracker_id = 0;
+static guint atk_bridge_key_event_listener_id = 0;
+static GArray *listener_ids = NULL;
-int
-gtk_module_init(gint *argc, gchar **argv[])
+/*
+ * These exported symbols are hooked by gnome-program
+ * to provide automatic module initialization and shutdown.
+ */
+extern void gnome_accessibility_module_init (void);
+extern void gnome_accessibility_module_shutdown (void);
+
+static void
+spi_atk_bridge_init_event_type_consts ()
{
- ArgStruct *args = (ArgStruct *) g_new0(ArgStruct, 1);
- args->c = *argc;
- args->v = *argv;
- g_idle_add (bridge_register_app, args);
- g_atexit (bridge_exit_func);
+ atk_signal_child_changed = g_signal_lookup ("child_changed",
+ ATK_TYPE_OBJECT);
+ atk_signal_text_changed = g_signal_lookup ("text_changed",
+ ATK_TYPE_TEXT);
}
-static gboolean
-bridge_register_app (gpointer gp)
+static int
+atk_bridge_init (gint *argc, gchar **argv[])
{
- CORBA_Object oclient;
- AtkObject *atko;
- char *obj_id;
- ArgStruct *args = (ArgStruct *)gp;
+ if (atk_bridge_initialized)
+ {
+ return 0;
+ }
+ atk_bridge_initialized = TRUE;
- CORBA_exception_init(&ev);
+ _dbg = (int) g_ascii_strtod (g_getenv ("AT_SPI_DEBUG"), NULL);
- if (!bonobo_init (&(args->c), args->v))
+ if (!bonobo_init (argc, argv ? *argv : NULL))
{
g_error ("Could not initialize Bonobo");
}
- /* Create the accesssible application server object */
- this_app = spi_application_new(atk_get_root ());
+ /*
+ * We only want to enable the bridge for top level
+ * applications, we detect bonobo components by seeing
+ * if they were activated with the intention of extracting
+ * an impl. by IID - very solid.
+ */
+ if (bonobo_activation_iid_get ())
+ {
+ DBG (1, g_message ("Found Bonobo component\n"));
+ toplevel_handler = g_signal_connect (atk_get_root (),
+ "children-changed::add",
+ (GCallback) spi_atk_bridge_toplevel_added,
+ NULL);
+ }
+ else
+ {
+ spi_atk_bridge_do_registration ();
+ }
+
+ atk_bridge_init_event_type_consts ();
- obj_id = "OAFIID:Accessibility_SpiRegistry:proto0.1";
+ return 0;
+}
- oclient = bonobo_activation_activate_from_id (obj_id, 0, NULL, &ev);
- if (ev._major != CORBA_NO_EXCEPTION) {
- fprintf(stderr,
- ("Accessibility app error: exception during registry activation from id: %s\n"),
- CORBA_exception_id(&ev));
- CORBA_exception_free(&ev);
- exit(-1);
- }
+static void
+spi_atk_bridge_do_registration (void)
+{
+ CORBA_Environment ev;
- if (CORBA_Object_is_nil (oclient, &ev))
+ CORBA_exception_init(&ev);
+
+ if (spi_atk_bridge_get_registry () == CORBA_OBJECT_NIL)
{
g_error ("Could not locate registry");
}
- registry = (Accessibility_SpiRegistry) oclient;
+ bonobo_activate ();
- fprintf(stderr, "About to register application\n");
+ /* Create the accessible application server object */
- bonobo_activate ();
+ this_app = spi_application_new (atk_get_root ());
+
+ DBG (1, g_message ("About to register application\n"));
+
+ spi_atk_bridge_register_application (spi_atk_bridge_get_registry ());
+
+ g_atexit (spi_atk_bridge_exit_func);
+
+ DBG (1, g_message ("Application registered & listening\n"));
- Accessibility_SpiRegistry_registerSpiApplication (registry,
- CORBA_Object_duplicate (BONOBO_OBJREF (this_app), &ev),
+}
+
+static void
+spi_atk_bridge_toplevel_added (AtkObject *object,
+ guint index,
+ AtkObject *child)
+{
+ g_signal_handler_disconnect (object, toplevel_handler);
+ spi_atk_bridge_do_registration ();
+}
+
+static void
+spi_atk_bridge_register_application (Accessibility_Registry registry)
+{
+ Accessibility_Registry_registerApplication (spi_atk_bridge_get_registry (),
+ BONOBO_OBJREF (this_app),
&ev);
+ spi_atk_register_event_listeners ();
+}
+
+static Accessibility_Registry
+spi_atk_bridge_get_registry ()
+{
+ CORBA_Environment ev;
+
+ if (registry_died || (registry == NULL)) {
+ CORBA_exception_init (&ev);
+ if (registry_died)
+ DBG (1, g_warning ("registry died! restarting..."));
+ registry = bonobo_activation_activate_from_id (
+ "OAFIID:Accessibility_Registry:1.0", 0, NULL, &ev);
+
+ if (ev._major != CORBA_NO_EXCEPTION)
+ {
+ g_error ("Accessibility app error: exception during "
+ "registry activation from id: %s\n",
+ CORBA_exception_id (&ev));
+ CORBA_exception_free (&ev);
+ }
+
+ if (registry_died && registry) {
+ registry_died = FALSE;
+ spi_atk_bridge_register_application (registry);
+ }
+ }
+ return registry;
+}
+
+int
+gtk_module_init (gint *argc, gchar **argv[])
+{
+ return atk_bridge_init (argc, argv);
+}
+
+static void
+spi_atk_bridge_add_signal_listener (const char *signal_name)
+{
+ guint id;
- register_atk_event_listeners ();
+ id = atk_add_global_event_listener (
+ spi_atk_bridge_signal_listener, signal_name);
- return FALSE;
+ g_array_append_val (listener_ids, id);
}
static void
-register_atk_event_listeners ()
+spi_atk_register_event_listeners (void)
{
+ /*
+ * kludge to make sure the Atk interface types are registered, otherwise
+ * the AtkText signal handlers below won't get registered
+ */
+ guint id;
+ GObject *ao = g_object_new (ATK_TYPE_OBJECT, NULL);
+ AtkObject *bo = atk_no_op_object_new (ao);
+
/* Register for focus event notifications, and register app with central registry */
-/* kludge to make sure the Atk interface types are registered, otherwise
- the AtkText signal handlers below won't get registered */
+ listener_ids = g_array_sized_new (FALSE, TRUE, sizeof (guint), 16);
+
+ atk_bridge_focus_tracker_id = atk_add_focus_tracker (spi_atk_bridge_focus_tracker);
+
+ id = atk_add_global_event_listener (spi_atk_bridge_property_event_listener,
+ "Gtk:AtkObject:property-change");
+ g_array_append_val (listener_ids, id);
+ id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
+ "window:create");
+ g_array_append_val (listener_ids, id);
+ id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
+ "window:destroy");
+ g_array_append_val (listener_ids, id);
+ id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
+ "window:minimize");
+ g_array_append_val (listener_ids, id);
+ id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
+ "window:maximize");
+ g_array_append_val (listener_ids, id);
+ id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
+ "window:restore");
+ g_array_append_val (listener_ids, id);
+ id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
+ "window:activate");
+ g_array_append_val (listener_ids, id);
+ id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
+ "window:deactivate");
+ g_array_append_val (listener_ids, id);
+ id = atk_add_global_event_listener (spi_atk_bridge_state_event_listener,
+ "Gtk:AtkObject:state-change");
+ g_array_append_val (listener_ids, id);
+
+ spi_atk_bridge_add_signal_listener ("Gtk:AtkObject:children-changed");
+ spi_atk_bridge_add_signal_listener ("Gtk:AtkObject:visible-data-changed");
+ spi_atk_bridge_add_signal_listener ("Gtk:AtkSelection:selection-changed");
+ spi_atk_bridge_add_signal_listener ("Gtk:AtkText:text-selection-changed");
+ spi_atk_bridge_add_signal_listener ("Gtk:AtkText:text-changed");
+ spi_atk_bridge_add_signal_listener ("Gtk:AtkText:text-caret-moved");
+ spi_atk_bridge_add_signal_listener ("Gtk:AtkTable:row-inserted");
+ spi_atk_bridge_add_signal_listener ("Gtk:AtkTable:row-reordered");
+ spi_atk_bridge_add_signal_listener ("Gtk:AtkTable:row-deleted");
+ spi_atk_bridge_add_signal_listener ("Gtk:AtkTable:column-inserted");
+ spi_atk_bridge_add_signal_listener ("Gtk:AtkTable:column-reordered");
+ spi_atk_bridge_add_signal_listener ("Gtk:AtkTable:column-deleted");
+ spi_atk_bridge_add_signal_listener ("Gtk:AtkTable:model-changed");
+/*
+ * May add the following listeners to implement preemptive key listening for GTK+
+ *
+ * atk_add_global_event_listener (spi_atk_bridge_widgetkey_listener, "Gtk:GtkWidget:key-press-event");
+ * atk_add_global_event_listener (spi_atk_bridge_widgetkey_listener, "Gtk:GtkWidget:key-release-event");
+ */
+ atk_bridge_key_event_listener_id = atk_add_key_event_listener (
+ spi_atk_bridge_key_listener, NULL);
+
+ g_object_unref (G_OBJECT (bo));
+ g_object_unref (ao);
+}
- ATK_TYPE_TEXT;
+static void
+spi_atk_bridge_deregister_application (BonoboObject *app)
+{
+ Accessibility_Registry registry = spi_atk_bridge_get_registry ();
+ Accessibility_Registry_deregisterApplication (registry, BONOBO_OBJREF (app), &ev);
- atk_add_focus_tracker (bridge_focus_tracker);
- atk_add_global_event_listener (bridge_property_event_listener, "Gtk:AtkObject:property-change");
-/* atk_add_global_event_listener (bridge_signal_listener, "Gtk:AtkObject:children-changed");
- atk_add_global_event_listener (bridge_signal_listener, "Gtk:AtkText:text-changed");
- atk_add_global_event_listener (bridge_signal_listener, "Gtk:AtkText:text-caret-moved");*/
+ registry = bonobo_object_release_unref (registry, &ev);
+
+ app = bonobo_object_unref (app);
}
-static void bridge_exit_func()
+static void
+spi_atk_bridge_exit_func (void)
{
- fprintf (stderr, "exiting bridge\n");
- Accessibility_SpiRegistry_deregisterSpiApplication (registry,
- CORBA_Object_duplicate (BONOBO_OBJREF (this_app), &ev),
- &ev);
- fprintf (stderr, "bridge exit func complete.\n");
+ BonoboObject *app = (BonoboObject *) this_app;
+
+ DBG (1, g_message ("exiting bridge\n"));
+
+ if (!app)
+ {
+ return;
+ }
+ this_app = NULL;
+
+ /*
+ * FIXME: this may be incorrect for apps that do their own bonobo
+ * shutdown, until we can explicitly shutdown to get the ordering
+ * right.
+ */
+ if (!bonobo_is_initialized ())
+ {
+ DBG (1, g_warning ("Re-initializing bonobo\n"));
+ g_assert (bonobo_init (0, NULL));
+ g_assert (bonobo_activate ());
+ }
+
+ spi_atk_bridge_deregister_application (app);
+
+ DBG (1, g_message ("bridge exit func complete.\n"));
+
+ if (g_getenv ("AT_BRIDGE_SHUTDOWN"))
+ {
+ g_assert (!bonobo_debug_shutdown ());
+ }
+}
+
+void
+gnome_accessibility_module_init (void)
+{
+ atk_bridge_init (NULL, NULL);
+
+ g_print("Atk Accessibilty bridge initialized\n");
+}
+
+void
+gnome_accessibility_module_shutdown (void)
+{
+ BonoboObject *app = (BonoboObject *) this_app;
+ int i;
+ GArray *ids = listener_ids;
+
+ if (!atk_bridge_initialized)
+ {
+ return;
+ }
+ atk_bridge_initialized = FALSE;
+ this_app = NULL;
+
+ g_print("Atk Accessibilty bridge shutdown\n");
+
+ listener_ids = NULL;
+ atk_remove_focus_tracker (atk_bridge_focus_tracker_id);
+
+ for (i = 0; ids && i < ids->len; i++)
+ {
+ atk_remove_global_event_listener (g_array_index (ids, guint, i));
+ }
+
+ atk_remove_key_event_listener (atk_bridge_key_event_listener_id);
+
+ deregister_application (app);
+}
+
+static void
+spi_atk_bridge_event_context_init (CORBA_any *any,
+ AtkBridgeEventContext *ctx)
+{
+ SpiAccessible *accessible;
+ if (ctx)
+ {
+ switch (ctx->_type)
+ {
+ /* FIXME
+ case ATK_BRIDGE_CONTEXT_TYPE_OBJECT:
+ accessible = spi_accessible_new (ctx->_data.object);
+ spi_init_any_object (any, BONOBO_OBJREF (accessible));
+ break;
+ */
+ case ATK_BRIDGE_CONTEXT_TYPE_STRING:
+ spi_init_any_string (any, &ctx->_data.string);
+ break;
+ default:
+ spi_init_any_nil (any);
+ }
+ }
+ else
+ {
+ spi_init_any_nil (any);
+ }
+}
+
+static void
+spi_atk_bridge_focus_tracker (AtkObject *object)
+{
+ SpiAccessible *source;
+ Accessibility_Event e;
+
+ source = spi_accessible_new (object);
+
+ e.type = "focus:";
+ e.source = BONOBO_OBJREF (source);
+ e.detail1 = 0;
+ e.detail2 = 0;
+ spi_init_any_nil (&e.any_data);
+ Accessibility_Registry_notifyEvent (spi_atk_bridge_get_registry (), &e, &ev);
+ if (BONOBO_EX (&ev)) registry_died = TRUE;
+
+ Accessibility_Accessible_unref (e.source, &ev);
+
+ CORBA_exception_free (&ev);
+}
+
+static
+AtkBridgeEventContext *
+spi_atk_bridge_event_context_create (GObject *gobject,
+ long detail1,
+ long detail2,
+ GSignalQuery *signal_query)
+{
+ AtkBridgeEventContext *ctx = g_new0 (AtkBridgeEventContext, 1);
+ /* don't free the context, it's on the stack */
+
+ /* if it's a window event, then marshal the window name */
+
+ /*
+ if (signal_query->signal_id == atk_signal_child_changed)
+ {
+ ctx->_type = ATK_BRIDGE_CONTEXT_TYPE_OBJECT;
+ ctx->_data.object = atk_object_ref_accessible_child (ATK_OBJECT (gobject),
+ (gint) detail1);
+ }
+ else */ if (signal_query && (signal_query->signal_id == atk_signal_text_changed))
+ {
+ ctx->_type = ATK_BRIDGE_CONTEXT_TYPE_STRING;
+ ctx->_data.string = atk_text_get_text (ATK_TEXT (gobject),
+ (gint) detail1,
+ (gint) detail1+detail2);
+ }
+ else
+ {
+ ctx->_type = ATK_BRIDGE_CONTEXT_TYPE_NONE;
+ }
+ return ctx;
+}
+
+static void
+spi_atk_bridge_event_context_free (AtkBridgeEventContext *ctx)
+{
+ if (ctx->_type == ATK_BRIDGE_CONTEXT_TYPE_OBJECT)
+ g_object_unref (ctx->_data.object);
+ g_free (ctx);
}
-static void bridge_focus_tracker (AtkObject *object)
+
+static void
+spi_atk_bridge_any_init ()
{
- Accessibility_Event *e = Accessibility_Event__alloc();
- e->type = CORBA_string_dup ("focus:");
- e->source = CORBA_Object_duplicate (BONOBO_OBJREF (spi_accessible_new (object)), &ev);
- e->detail1 = 0;
- e->detail2 = 0;
- Accessibility_SpiRegistry_notifyEvent (registry, e, &ev);
+ AtkBridgeEventContext *ctx;
+ /* build some event context data, depending on the type */
+ ctx = spi_atk_bridge_event_context_create (gobject,
+ detail1, detail2,
+ signal_query);
+ spi_atk_bridge_event_context_init (&e.any_data, ctx);
+ spi_atk_bridge_event_context_free (ctx);
+}
+
+static void
+spi_atk_emit_eventv (GObject *gobject,
+ unsigned long detail1,
+ unsigned long detail2,
+ GSignalQuery *signal_query,
+ const char *format, ...)
+{
+ va_list args;
+ Accessibility_Event e;
+ SpiAccessible *source;
+ AtkObject *aobject;
+ AtkBridgeEventContext *ctx;
+#ifdef SPI_BRIDGE_DEBUG
+ CORBA_string s;
+#endif
+
+ va_start (args, format);
+
+ if (ATK_IS_IMPLEMENTOR (gobject))
+ {
+ aobject = atk_implementor_ref_accessible (ATK_IMPLEMENTOR (gobject));
+ source = spi_accessible_new (aobject);
+ g_object_unref (G_OBJECT (aobject));
+ }
+ else if (ATK_IS_OBJECT (gobject))
+ {
+ aobject = ATK_OBJECT (gobject);
+ source = spi_accessible_new (aobject);
+ }
+ else
+ {
+ aobject = NULL;
+ source = NULL;
+ g_error ("received property-change event from non-AtkImplementor");
+ }
+
+ if (source != NULL)
+ {
+ e.type = g_strdup_vprintf (format, args);
+ e.source = BONOBO_OBJREF (source);
+ e.detail1 = detail1;
+ e.detail2 = detail2;
+#ifdef SPI_BRIDGE_DEBUG
+ s = Accessibility_Accessible__get_name (BONOBO_OBJREF (source), &ev);
+ g_warning ("Emitting event '%s' (%lu, %lu) on %s",
+ e.type, e.detail1, e.detail2, s);
+ CORBA_free (s);
+#endif
+ CORBA_exception_init (&ev);
+ spi_atk_bridge_event_any_init (&e.any_data, gobject,
+ detail1, detail2, signal_query);
+ Accessibility_Registry_notifyEvent (spi_atk_bridge_get_registry (),
+ &e, &ev);
+ /* I haven't freed any_data._value when it's a char*, does it leak ? */
+#ifdef SPI_BRIDGE_DEBUG
+ if (ev._major != CORBA_NO_EXCEPTION)
+ g_warning ("error emitting event %s, (%d) %s",
+ e.type,
+ ev._major,
+ CORBA_exception_id(&ev));
+#endif
+ if (BONOBO_EX (&ev)) registry_died = TRUE;
+ Accessibility_Accessible_unref (e.source, &ev);
+
+ CORBA_exception_free (&ev);
+
+ g_free (e.type);
+ }
+
+ va_end (args);
+
}
static gboolean
-bridge_property_event_listener (GSignalInvocationHint *signal_hint,
- guint n_param_values,
- const GValue *param_values,
- gpointer data)
+spi_atk_bridge_property_event_listener (GSignalInvocationHint *signal_hint,
+ guint n_param_values,
+ const GValue *param_values,
+ gpointer data)
{
- Accessibility_Event *e = Accessibility_Event__alloc();
- Bonobo_Unknown source = NULL;
- AtkObject *aobject;
AtkPropertyValues *values;
GObject *gobject;
+
+#ifdef SPI_BRIDGE_DEBUG
GSignalQuery signal_query;
- gchar *name;
- char sbuf[APP_STATIC_BUFF_SZ];
+ const gchar *name;
+ const gchar *s, *s2;
g_signal_query (signal_hint->signal_id, &signal_query);
name = signal_query.signal_name;
+
+ s2 = g_type_name (G_OBJECT_TYPE (g_value_get_object (param_values + 0)));
+ s = atk_object_get_name (ATK_OBJECT (g_value_get_object (param_values + 0)));
+ values = (AtkPropertyValues*) g_value_get_pointer (param_values + 1);
+ DBG (2, g_message ("Received (property) signal %s:%s:%s from object %s (gail %s)\n",
+ g_type_name (signal_query.itype), name, values->property_name, s, s2));
+
+#endif
+
+ gobject = g_value_get_object (param_values + 0);
+ values = (AtkPropertyValues*) g_value_get_pointer (param_values + 1);
+
+ spi_atk_emit_eventv (gobject, 0, 0, NULL,
+ "object:property-change:%s", values->property_name);
+
+ return TRUE;
+}
+
+static gboolean
+spi_atk_bridge_state_event_listener (GSignalInvocationHint *signal_hint,
+ guint n_param_values,
+ const GValue *param_values,
+ gpointer data)
+{
+ GObject *gobject;
+ gchar *property_name;
+ gchar *type;
+ unsigned long detail1;
#ifdef SPI_BRIDGE_DEBUG
- fprintf (stderr, "Received (property) signal %s:%s\n",
+ GSignalQuery signal_query;
+ const gchar *name;
+
+ g_signal_query (signal_hint->signal_id, &signal_query);
+ name = signal_query.signal_name;
+ fprintf (stderr, "Received (state) signal %s:%s\n",
g_type_name (signal_query.itype), name);
#endif
+
gobject = g_value_get_object (param_values + 0);
- values = (AtkPropertyValues*) g_value_get_pointer (param_values + 1);
+ property_name = g_strdup (g_value_get_string (param_values + 1));
+ detail1 = (g_value_get_boolean (param_values + 2))
+ ? 1 : 0;
+ type = g_strdup_printf ("object:state-changed:%s", property_name);
+ spi_atk_emit_eventv (gobject,
+ detail1,
+ 0,
+ NULL,
+ type);
+ g_free (property_name);
+ g_free (type);
+ return TRUE;
+}
- /* notify the actual listeners */
- if (ATK_IS_IMPLEMENTOR (gobject))
- {
- aobject = atk_implementor_ref_accessible (ATK_IMPLEMENTOR (gobject));
- source = CORBA_Object_duplicate (BONOBO_OBJREF (spi_accessible_new (aobject)), &ev);
- g_object_unref (G_OBJECT(aobject));
- }
- else if (ATK_IS_OBJECT (gobject))
- {
- aobject = ATK_OBJECT (gobject);
- source = CORBA_Object_duplicate (BONOBO_OBJREF (spi_accessible_new (aobject)), &ev);
- }
+
+static void
+spi_init_keystroke_from_atk_key_event (Accessibility_DeviceEvent *keystroke,
+ AtkKeyEventStruct *event)
+{
+#ifdef SPI_DEBUG
+ if (event)
+ {
+ g_print ("event %c (%d)\n", (int) event->keyval, (int) event->keycode);
+ }
else
- {
- g_error("received property-change event from non-AtkImplementor");
- }
+#endif
+ if (!event)
+ {
+ g_print ("WARNING: NULL key event!");
+ }
- snprintf(sbuf, APP_STATIC_BUFF_SZ, "object:property-change:%s", values->property_name);
- e->type = CORBA_string_dup (sbuf);
- e->source = source;
- e->detail1 = 0;
- e->detail2 = 0;
- if (source)
- Accessibility_SpiRegistry_notifyEvent (registry, e, &ev);
- return TRUE;
+ keystroke->id = (CORBA_long) event->keyval;
+ keystroke->hw_code = (CORBA_short) event->keycode;
+ keystroke->timestamp = (CORBA_unsigned_long) event->timestamp;
+ keystroke->modifiers = (CORBA_unsigned_short) (event->state & 0xFFFF);
+ if (event->string)
+ {
+ keystroke->event_string = CORBA_string_dup (event->string);
+ keystroke->is_text = CORBA_TRUE;
+ }
+ else
+ {
+ keystroke->event_string = CORBA_string_dup ("");
+ keystroke->is_text = CORBA_FALSE;
+ }
+ switch (event->type)
+ {
+ case (ATK_KEY_EVENT_PRESS):
+ keystroke->type = Accessibility_KEY_PRESSED_EVENT;
+ break;
+ case (ATK_KEY_EVENT_RELEASE):
+ keystroke->type = Accessibility_KEY_RELEASED_EVENT;
+ break;
+ default:
+ keystroke->type = 0;
+ break;
+ }
+#if 0
+ g_print ("key_event type %d; val=%d code=%d modifiers=%x name=%s is_text=%d, time=%lx\n",
+ (int) keystroke->type, (int) keystroke->id, (int) keystroke->hw_code,
+ (int) keystroke->modifiers,
+ keystroke->event_string, (int) keystroke->is_text, (unsigned long) keystroke->timestamp);
+#endif
+}
+
+static gint
+spi_atk_bridge_key_listener (AtkKeyEventStruct *event, gpointer data)
+{
+ CORBA_boolean result;
+ Accessibility_DeviceEvent key_event;
+ Accessibility_DeviceEventController controller;
+
+ if (BONOBO_EX (&ev))
+ g_warning ("failure: pre-listener get dec\n");
+
+ controller =
+ Accessibility_Registry_getDeviceEventController (
+ spi_atk_bridge_get_registry (), &ev);
+
+ if (BONOBO_EX (&ev))
+ {
+ g_warning ("failure: no deviceeventcontroller found\n");
+ CORBA_exception_free (&ev);
+ registry_died = TRUE;
+ result = FALSE;
+ }
+ else
+ {
+
+ spi_init_keystroke_from_atk_key_event (&key_event, event);
+
+ result = Accessibility_DeviceEventController_notifyListenersSync (
+ controller, &key_event, &ev);
+
+ bonobo_object_release_unref (controller, &ev);
+ CORBA_exception_free (&ev);
+ }
+
+ return result;
}
static gboolean
-bridge_signal_listener (GSignalInvocationHint *signal_hint,
- guint n_param_values,
- const GValue *param_values,
- gpointer data)
+spi_atk_bridge_signal_listener (GSignalInvocationHint *signal_hint,
+ guint n_param_values,
+ const GValue *param_values,
+ gpointer data)
{
- Accessibility_Event *e = g_new0(Accessibility_Event, 1);
- AtkObject *aobject;
- Bonobo_Unknown source;
- AtkPropertyValues *values;
GObject *gobject;
GSignalQuery signal_query;
- gchar *name;
- char sbuf[APP_STATIC_BUFF_SZ];
+ const gchar *name;
+ const gchar *detail;
+ AtkBridgeEventContext *ctx = NULL;
+
+ gint detail1 = 0, detail2 = 0;
+#ifdef SPI_BRIDGE_DEBUG
+ const gchar *s, *s2;
+#endif
g_signal_query (signal_hint->signal_id, &signal_query);
+
name = signal_query.signal_name;
+ if (signal_hint->detail)
+ detail = g_quark_to_string (signal_hint->detail);
+ else
+ detail = NULL;
+
#ifdef SPI_BRIDGE_DEBUG
- fprintf (stderr, "Received (property) signal %s:%s\n",
- g_type_name (signal_query.itype), name);
+ s2 = g_type_name (G_OBJECT_TYPE (g_value_get_object (param_values + 0)));
+ s = atk_object_get_name (ATK_OBJECT (g_value_get_object (param_values + 0)));
+ fprintf (stderr, "Received signal %s:%s detail: %s from object %s (gail %s)\n",
+ g_type_name (signal_query.itype), name,
+ detail ? detail : "<NULL>", s ? s : "<NULL>" , s2);
#endif
- gobject = g_value_get_object (param_values + 0);
- /* notify the actual listeners */
- 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 (aobject);
- }
+ gobject = g_value_get_object (param_values + 0);
+ if (G_VALUE_TYPE (param_values + 1) == G_TYPE_INT)
+ detail1 = g_value_get_int (param_values + 1);
+ if (G_VALUE_TYPE (param_values + 2) == G_TYPE_INT)
+ detail2 = g_value_get_int (param_values + 2);
+
+ if (detail)
+ spi_atk_emit_eventv (gobject, detail1, detail2, &signal_query,
+ "object:%s:%s", name, detail);
else
- {
- g_error("received property-change event from non-AtkImplementor");
- }
+ spi_atk_emit_eventv (gobject, detail1, detail2, &signal_query,
+ "object:%s", name);
- snprintf(sbuf, APP_STATIC_BUFF_SZ, "%s:%s", name, g_type_name (signal_query.itype));
- source = CORBA_Object_duplicate (BONOBO_OBJREF (spi_accessible_new (aobject)), &ev);
- e->type = CORBA_string_dup (sbuf);
- e->source = source;
- e->detail1 = 0;
- e->detail2 = 0;
- Accessibility_SpiRegistry_notifyEvent (registry, e, &ev);
- g_object_unref (aobject);
return TRUE;
}
-static Accessibility_SpiRegistry bridge_get_registry ()
+static gboolean
+spi_atk_bridge_window_event_listener (GSignalInvocationHint *signal_hint,
+ guint n_param_values,
+ const GValue *param_values,
+ gpointer data)
{
- return registry;
+ GObject *gobject;
+ GSignalQuery signal_query;
+ AtkBridgeEventContext ctx;
+
+ const gchar *name, *s;
+#ifdef SPI_BRIDGE_DEBUG
+ const gchar *s2;
+#endif
+
+ g_signal_query (signal_hint->signal_id, &signal_query);
+
+ name = signal_query.signal_name;
+
+#ifdef SPI_BRIDGE_DEBUG
+ s2 = g_type_name (G_OBJECT_TYPE (g_value_get_object (param_values + 0)));
+ s = atk_object_get_name (ATK_OBJECT (g_value_get_object (param_values + 0)));
+ fprintf (stderr, "Received signal %s:%s from object %s (gail %s)\n",
+ g_type_name (signal_query.itype), name, s ? s : "<NULL>" , s2);
+#endif
+
+ gobject = g_value_get_object (param_values + 0);
+ spi_atk_emit_eventv (gobject, 0, 0, &signal_query, "window:%s", name);
+
+ return TRUE;
}