X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=atk-bridge%2Fbridge.c;h=3de213c177f8902a0fa1fc31fb5617636e153b4e;hb=22903b58c5d187a914c70691d61cf979d840fb9b;hp=ba4f06a5a5baf737caaaa3f846fad3c4a98207a2;hpb=66c4375c7cd9a0a01e79f562e1bb0326fc4dcd21;p=platform%2Fcore%2Fuifw%2Fat-spi2-atk.git diff --git a/atk-bridge/bridge.c b/atk-bridge/bridge.c index ba4f06a..3de213c 100644 --- a/atk-bridge/bridge.c +++ b/atk-bridge/bridge.c @@ -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, 2003 Sun Microsystems Inc., + * Copyright 2001, 2002, 2003 Ximian, Inc. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public @@ -20,239 +21,929 @@ * Boston, MA 02111-1307, USA. */ +#include #include #include +#include #include #include #include #include +#include #include +#include #include "accessible.h" #include "application.h" -#define APP_STATIC_BUFF_SZ 64 +#include -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 = 0; static CORBA_Environment ev; -static Accessibility_Registry 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 = CORBA_OBJECT_NIL; +static Accessibility_DeviceEventController device_event_controller = CORBA_OBJECT_NIL; +static SpiApplication *this_app = NULL; +static gboolean registry_died = FALSE; +static gboolean atk_listeners_registered = FALSE; +static guint toplevel_handler; + +static guint atk_signal_text_changed; +static guint atk_signal_children_changed; +static guint atk_signal_active_descendant_changed; +static guint atk_signal_text_selection_changed; + +/* NOT YET USED + 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; +*/ + +static guint atk_signal_link_selected; + +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_children_changed = g_signal_lookup ("children_changed", + ATK_TYPE_OBJECT); + atk_signal_text_changed = g_signal_lookup ("text_changed", + ATK_TYPE_TEXT); + atk_signal_active_descendant_changed = + g_signal_lookup ("active_descendant_changed", + ATK_TYPE_OBJECT); + atk_signal_link_selected = g_signal_lookup ("link_selected", + ATK_TYPE_HYPERTEXT); + atk_signal_text_selection_changed = g_signal_lookup ("text_selection_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; + const char *debug_env_string = g_getenv ("AT_SPI_DEBUG"); - CORBA_exception_init(&ev); + if (atk_bridge_initialized) + { + return 0; + } + atk_bridge_initialized = TRUE; + + if (debug_env_string) + _dbg = (int) g_ascii_strtod (debug_env_string, 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 (); + } + + spi_atk_bridge_init_event_type_consts (); - obj_id = "OAFIID:Accessibility_Registry: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); - } - if (CORBA_Object_is_nil (oclient, &ev)) +static void +spi_atk_bridge_do_registration (void) +{ + CORBA_Environment ev; + + CORBA_exception_init(&ev); + + if (spi_atk_bridge_get_registry () == CORBA_OBJECT_NIL) { g_error ("Could not locate registry"); } - registry = (Accessibility_Registry) oclient; + bonobo_activate (); + + /* Create the accessible application server object */ - fprintf(stderr, "About to register application\n"); + this_app = spi_application_new (atk_get_root ()); - bonobo_activate (); + DBG (1, g_message ("About to register application\n")); - Accessibility_Registry_registerApplication (registry, - CORBA_Object_duplicate (BONOBO_OBJREF (this_app), &ev), + 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")); + +} + +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 (void) +{ + 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; +} + +static Accessibility_DeviceEventController +spi_atk_bridget_get_dec (void) +{ + CORBA_Environment ev; + + if (device_event_controller != CORBA_OBJECT_NIL) + { + if (ORBit_small_get_connection_status (device_event_controller) + == ORBIT_CONNECTION_CONNECTED) + return device_event_controller; + } + + CORBA_exception_init (&ev); + + device_event_controller = + Accessibility_Registry_getDeviceEventController ( + spi_atk_bridge_get_registry (), &ev); - register_atk_event_listeners (); + if (BONOBO_EX (&ev)) + { + g_warning ("failure: no deviceeventcontroller found\n"); + registry_died = TRUE; + device_event_controller = CORBA_OBJECT_NIL; + } - return FALSE; + return device_event_controller; +} + +int +gtk_module_init (gint *argc, gchar **argv[]) +{ + return atk_bridge_init (argc, argv); } static void -register_atk_event_listeners () +add_signal_listener (const char *signal_name) { + guint id; + + id = atk_add_global_event_listener ( + spi_atk_bridge_signal_listener, signal_name); + + g_array_append_val (listener_ids, id); +} + +static void +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); + + + if (atk_listeners_registered) return; + + atk_listeners_registered = TRUE; + /* 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); + + add_signal_listener ("Gtk:AtkObject:children-changed"); + add_signal_listener ("Gtk:AtkObject:visible-data-changed"); + add_signal_listener ("Gtk:AtkObject:active-descendant-changed"); + add_signal_listener ("Gtk:AtkSelection:selection-changed"); + add_signal_listener ("Gtk:AtkText:text-selection-changed"); + add_signal_listener ("Gtk:AtkText:text-changed"); + add_signal_listener ("Gtk:AtkText:text-caret-moved"); + add_signal_listener ("Gtk:AtkTable:row-inserted"); + add_signal_listener ("Gtk:AtkTable:row-reordered"); + add_signal_listener ("Gtk:AtkTable:row-deleted"); + add_signal_listener ("Gtk:AtkTable:column-inserted"); + add_signal_listener ("Gtk:AtkTable:column-reordered"); + add_signal_listener ("Gtk:AtkTable:column-deleted"); + add_signal_listener ("Gtk:AtkTable:model-changed"); + add_signal_listener ("Gtk:AtkHypertext:link-selected"); +/* + * 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 +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");*/ + device_event_controller = bonobo_object_release_unref (device_event_controller, &ev); + 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_Registry_deregisterApplication (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 ()); + } + + deregister_application (app); + + DBG (1, g_message ("bridge exit func complete.\n")); + + if (g_getenv ("AT_BRIDGE_SHUTDOWN")) + { + g_assert (!bonobo_debug_shutdown ()); + } } -static void bridge_focus_tracker (AtkObject *object) +void +gnome_accessibility_module_init (void) { - 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_Registry_notifyEvent (registry, e, &ev); + 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_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); + + CORBA_exception_init (&ev); + Accessibility_Registry_notifyEvent (spi_atk_bridge_get_registry (), &e, &ev); + if (BONOBO_EX (&ev)) + registry_died = TRUE; + + bonobo_object_unref (source); + + CORBA_exception_free (&ev); +} + +static void +spi_atk_emit_eventv (const GObject *gobject, + long detail1, + long detail2, + CORBA_any *any, + const char *format, ...) +{ + va_list args; + Accessibility_Event e; + SpiAccessible *source; + AtkObject *aobject; +#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; + DBG (0, g_warning ("received property-change event from non-AtkImplementor")); + } + + if (source) + { + e.type = g_strdup_vprintf (format, args); + e.source = BONOBO_OBJREF (source); + e.detail1 = detail1; + e.detail2 = detail2; + if (any) e.any_data = *any; + else spi_init_any_nil (&e.any_data); + +#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); + Accessibility_Registry_notifyEvent (spi_atk_bridge_get_registry (), + &e, &ev); +#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; + const gchar *prop_name; + CORBA_any any; + const gchar *sp = NULL; + AtkObject *ao; + SpiAccessible *s_ao = NULL; + CORBA_Object c_obj; + gint i; + +#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; -#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))); + 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); - /* 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); - } + prop_name = values->property_name; + if (strcmp (prop_name, "accessible-name") == 0) + { + sp = atk_object_get_name (ATK_OBJECT (gobject)); + spi_init_any_string (&any, (gchar **)&sp); + } + else if (strcmp (prop_name, "accessible-description") == 0) + { + sp = atk_object_get_description (ATK_OBJECT (gobject)); + spi_init_any_string (&any, (gchar **)&sp); + } + else if (strcmp (prop_name, "accessible-parent") == 0) + { + ao = atk_object_get_parent (ATK_OBJECT (gobject)); + if (ao) + { + s_ao = spi_accessible_new (ao); + c_obj = BONOBO_OBJREF (s_ao); + spi_init_any_object (&any, &c_obj); + } + else + { + spi_init_any_nil (&any); + } + } + else if (strcmp (prop_name, "accessible-table-summary") == 0) + { + ao = atk_table_get_summary (ATK_TABLE (gobject)); + if (ao) + { + s_ao = spi_accessible_new (ao); + c_obj = BONOBO_OBJREF (s_ao); + spi_init_any_object (&any, &c_obj); + } + else + { + spi_init_any_nil (&any); + } + } + else if (strcmp (prop_name, "accessible-table-column-header") == 0) + { + i = g_value_get_int (&(values->new_value)); + ao = atk_table_get_column_header (ATK_TABLE (gobject), i); + if (ao) + { + s_ao = spi_accessible_new (ao); + c_obj = BONOBO_OBJREF (s_ao); + spi_init_any_object (&any, &c_obj); + } + else + { + spi_init_any_nil (&any); + } + } + else if (strcmp (prop_name, "accessible-table-row-header") == 0) + { + i = g_value_get_int (&(values->new_value)); + ao = atk_table_get_row_header (ATK_TABLE (gobject), i); + if (ao) + { + s_ao = spi_accessible_new (ao); + c_obj = BONOBO_OBJREF (s_ao); + spi_init_any_object (&any, &c_obj); + } + else + { + spi_init_any_nil (&any); + } + } + else if (strcmp (prop_name, "accessible-table-row-description") == 0) + { + i = g_value_get_int (&(values->new_value)); + sp = atk_table_get_row_description (ATK_TABLE (gobject), i); + spi_init_any_string (&any, (gchar **)&sp); + } + else if (strcmp (prop_name, "accessible-table-column-description") == 0) + { + i = g_value_get_int (&(values->new_value)); + sp = atk_table_get_column_description (ATK_TABLE (gobject), i); + spi_init_any_string (&any, (gchar **)&sp); + } + else if (strcmp (prop_name, "accessible-table-caption-object") == 0) + { + ao = atk_table_get_caption (ATK_TABLE (gobject)); + sp = atk_object_get_name (ao); + spi_init_any_string (&any, (gchar **)&sp); + } else - { - g_error("received property-change event from non-AtkImplementor"); - } + { + spi_init_any_nil (&any); + } + + spi_atk_emit_eventv (gobject, 0, 0, &any, + "object:property-change:%s", prop_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 + GSignalQuery signal_query; + const gchar *name; - 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_Registry_notifyEvent (registry, e, &ev); + 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); + 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; } +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 +#endif + if (!event) + { + g_print ("WARNING: NULL key event!"); + } + + 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) + { + gunichar c; + + keystroke->event_string = CORBA_string_dup (event->string); + c = g_utf8_get_char_validated (event->string, -1); + if (c > 0 && g_unichar_isprint (c)) + keystroke->is_text = CORBA_TRUE; + else + keystroke->is_text = CORBA_FALSE; + } + 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; + + CORBA_exception_init (&ev); + + spi_init_keystroke_from_atk_key_event (&key_event, event); + + result = Accessibility_DeviceEventController_notifyListenersSync ( + spi_atk_bridget_get_dec (), &key_event, &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; + CORBA_any any; + CORBA_Object c_obj; + char *sp = NULL; + AtkObject *ao; + AtkText *text; + gint detail1 = 0, detail2 = 0; + SpiAccessible *s_ao = NULL; +#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 : "", s ? s : "" , 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); - } + if (signal_query.signal_id == atk_signal_active_descendant_changed) + { + gpointer child = g_value_get_pointer (param_values + 1); + + g_return_val_if_fail (ATK_IS_OBJECT (child), TRUE); + + ao = ATK_OBJECT (child); + + detail1 = atk_object_get_index_in_parent (ao); + s_ao = spi_accessible_new (ao); + c_obj = BONOBO_OBJREF (s_ao); + spi_init_any_object (&any, &c_obj); + } + else if (signal_query.signal_id == atk_signal_link_selected) + { + if (G_VALUE_TYPE (param_values + 1) == G_TYPE_INT) + detail1 = g_value_get_int (param_values + 1); + spi_init_any_nil (&any); + } + else if ((signal_query.signal_id == atk_signal_children_changed) && gobject) + { + ao = atk_object_ref_accessible_child (ATK_OBJECT (gobject), + detail1); + if (ao) + { + s_ao = spi_accessible_new (ao); + c_obj = BONOBO_OBJREF (s_ao); + spi_init_any_object (&any, &c_obj); + g_object_unref (ao); + } + else + { + spi_init_any_nil (&any); + } + } else - { - g_error("received property-change event from non-AtkImplementor"); - } + { + if (n_param_values >= 2) + { + if (G_VALUE_TYPE (param_values + 1) == G_TYPE_INT) + detail1 = g_value_get_int (param_values + 1); + if (n_param_values >= 3) + { + if (G_VALUE_TYPE (param_values + 2) == G_TYPE_INT) + detail2 = g_value_get_int (param_values + 2); + } + } + + if (signal_query.signal_id == atk_signal_text_changed) + { + sp = atk_text_get_text (ATK_TEXT (gobject), + detail1, + detail1+detail2); + spi_init_any_string (&any, &sp); + } + else if (signal_query.signal_id == atk_signal_text_selection_changed) + { + text = ATK_TEXT (gobject); + + /* Return NULL as the selected string */ + spi_init_any_nil (&any); + } + else + { + spi_init_any_nil (&any); + } + } + + if (detail) + spi_atk_emit_eventv (gobject, detail1, detail2, &any, + "object:%s:%s", name, detail); + else + spi_atk_emit_eventv (gobject, detail1, detail2, &any, + "object:%s", name); + + if (sp) + g_free (sp); - 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_Registry_notifyEvent (registry, e, &ev); - g_object_unref (aobject); return TRUE; } -static Accessibility_Registry 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; + CORBA_any any; + const gchar *name, *s; +#ifdef SPI_BRIDGE_DEBUG +#endif + const gchar *s2; + + g_signal_query (signal_hint->signal_id, &signal_query); + + name = signal_query.signal_name; + +#ifdef SPI_BRIDGE_DEBUG +#endif + 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 : "" , s2); + + gobject = g_value_get_object (param_values + 0); + + s = atk_object_get_name (ATK_OBJECT (gobject)); + spi_init_any_string (&any, (char **) &s); + + spi_atk_emit_eventv (gobject, 0, 0, &any, + "window:%s", name); + return TRUE; }