X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=atk-adaptor%2Fbridge.c;h=3e5fba4d22dea3b9b0fe18a3b66503cfeaca3b6e;hb=f01ffde94695198fe9e68df3b07eea59d563c495;hp=942c73c17d1d713dcf79c78456cd7d7f95dd705f;hpb=763970fd10ce98b4c50040636d933a18ab5a99cd;p=platform%2Fcore%2Fuifw%2Fat-spi2-atk.git diff --git a/atk-adaptor/bridge.c b/atk-adaptor/bridge.c index 942c73c..3e5fba4 100644 --- a/atk-adaptor/bridge.c +++ b/atk-adaptor/bridge.c @@ -2,6 +2,7 @@ * AT-SPI - Assistive Technology Service Provider Interface * (Gnome Accessibility Project; http://developer.gnome.org/projects/gap) * + * Copyright 2008 Codethink Ltd. * Copyright 2001, 2002, 2003 Sun Microsystems Inc., * Copyright 2001, 2002, 2003 Ximian, Inc. * @@ -35,322 +36,31 @@ #include #include #include "accessible.h" +#include "bridge.h" +#include "atk-dbus.h" -#undef SPI_BRIDGE_DEBUG +void spi_atk_register_event_listeners (void); +void spi_atk_deregister_event_listeners (void); +void spi_atk_tidy_windows (void); -#define DBG(a,b) if(_dbg>=(a))b +/*---------------------------------------------------------------------------*/ -#define bridge_threads_leave() \ - if (!during_init_shutdown && !g_main_context_is_owner (NULL)) atk_misc_threads_leave(misc); -#define bridge_threads_enter() \ - if (!during_init_shutdown && !g_main_context_is_owner (NULL)) atk_misc_threads_enter(misc); +SpiAppData *app_data = NULL; -typedef struct _SpiAppData SpiAppData; -struct _SpiAppData -{ - AtkObject *root; - DRouteData droute; -}; - -int _dbg = 0; -static const char *registry = NULL; -static char *device_event_controller = NULL; -static SpiAppData *this_app = NULL; -static gboolean registry_died = FALSE; -static gboolean atk_listeners_registered = FALSE; -static gint toplevels = 0; -static gboolean exiting = FALSE; -static AtkMisc *misc = NULL; -static gboolean during_init_shutdown = TRUE; - -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 guint atk_signal_bounds_changed; - -static const char *spi_atk_bridge_get_registry (void); -static gboolean spi_atk_bridge_do_registration (void); -static void spi_atk_bridge_toplevel_added (AtkObject *object, - guint index, - AtkObject *child); -static void spi_atk_bridge_toplevel_removed (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 gchar *spi_atk_bridge_get_registry_ior (void); -static void spi_atk_bridge_register_application (const char *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_document_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); -static void spi_atk_tidy_windows (void); -static void deregister_application (SpiAppData *app); -static void reinit_register_vars (void); +static const AtkMisc *atk_misc = NULL; -/* For automatic libgnome init */ -extern void gnome_accessibility_module_init (void); -extern void gnome_accessibility_module_shutdown (void); +/*static Display *bridge_display = NULL;*/ -static int atk_bridge_initialized = FALSE; -static pid_t atk_bridge_pid = 0; -static guint atk_bridge_focus_tracker_id = 0; -static guint atk_bridge_key_event_listener_id = 0; -static GArray *listener_ids = NULL; +/*---------------------------------------------------------------------------*/ /* - * 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 () -{ - static gboolean done = FALSE; - - if (done) - return; - - 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_bounds_changed = g_signal_lookup ("bounds_changed", - ATK_TYPE_COMPONENT); - 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); - done = TRUE; -} - -static gboolean -post_init (gpointer data) -{ - during_init_shutdown = FALSE; - return FALSE; -} - -static DBusObjectPathVTable droute_vtable = -{ - NULL, - &droute_message, - NULL, NULL, NULL, NULL -}; - -static SpiAppData * -spi_app_init (AtkObject *root) -{ - DBusError error; - dbus_error_init(&error); - SpiAppData *ad = (SpiAppData *)calloc(sizeof(SpiAppData), 1); - if (!ad) return NULL; - ad->root = root; - ad->droute.bus = dbus_bus_get(DBUS_BUS_SESSION, &error); - if (!ad->droute.bus) - { - g_warning("Couldn't connect to dbus: %s\n", error.message); - free(ad); - return NULL; - } - //dbus_connection_set_exit_on_disconnect(ad->droute.bus, FALSE); - //dbus_bus_register(ad->droute.bus, &error); - spi_dbus_initialize (&ad->droute); - /* Below line for testing -- it should be removed once at-spi-registryd is working */ - if (dbus_bus_request_name(ad->droute.bus, "test.atspi.tree", 0, &error)) printf("Got test name.\n"); - spi_register_tree_object(ad->droute.bus, "/org/freedesktop/atspi/tree"); - if (!dbus_connection_try_register_fallback (ad->droute.bus, "/org/freedesktop/atspi/accessible/", &droute_vtable, &ad->droute, &error)) - { - g_warning("Couldn't register droute.\n"); - } - dbus_connection_setup_with_g_main(ad->droute.bus, g_main_context_default()); - return ad; -} - -static int -atk_bridge_init (gint *argc, gchar **argv[]) -{ - const char *debug_env_string = g_getenv ("AT_SPI_DEBUG"); - gchar *fname; - gboolean success = FALSE; - - if (atk_bridge_initialized) - { - return 0; - } - atk_bridge_initialized = TRUE; - atk_bridge_pid = getpid (); - - misc = atk_misc_get_instance(); - - if (g_getenv ("ATK_BRIDGE_REDIRECT_LOG")) - { - fname = g_strconcat ("/tmp/", g_get_prgname (), ".at-spi-log", NULL); - /* make sure we're not being redirected - security issue */ - if (!g_file_test (fname, G_FILE_TEST_IS_SYMLINK)) - freopen (fname, "w", stderr); - g_free (fname); - } - - if (debug_env_string) - _dbg = (int) g_ascii_strtod (debug_env_string, NULL); - - /* Connect to dbus */ - this_app = spi_app_init (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. - */ -#ifdef WITH_BONOBO - // TODO: Figure out if this is still needed - if (bonobo_activation_iid_get ()) -#else - if (0) -#endif - { - DBG (1, g_message ("Found Bonobo component\n")); - g_signal_connect (atk_get_root (), - "children-changed::add", - (GCallback) spi_atk_bridge_toplevel_added, - NULL); - g_signal_connect (atk_get_root (), - "children-changed::remove", - (GCallback) spi_atk_bridge_toplevel_removed, - NULL); - /* in this case we redefine 'success' to mean 'registry is present' */ - success = (spi_atk_bridge_get_registry () != NULL); - } - else - { - success = spi_atk_bridge_do_registration (); - } - /* - * we must emit events even if we are not registered as a - * full-fledged app; See bugzilla #400709. - */ - if (success) - { - spi_atk_register_event_listeners (); - spi_atk_bridge_init_event_type_consts (); - } - else - { - atk_bridge_initialized = FALSE; - } - g_idle_add (post_init, NULL); - - return 0; -} - -static gboolean -spi_atk_bridge_do_registration (void) -{ - if (spi_atk_bridge_get_registry () == NULL) - { - g_warning ("Could not locate registry"); - return FALSE; - } - - /* Create the accessible application server object */ - if (this_app == NULL) - this_app = spi_app_init (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")); - return TRUE; -} - -static void -spi_atk_bridge_toplevel_added (AtkObject *object, - guint index, - AtkObject *child) -{ - if (toplevels == 0) - { - spi_atk_bridge_do_registration (); - } - toplevels++; -} - -static void -spi_atk_bridge_toplevel_removed (AtkObject *object, - guint index, - AtkObject *child) -{ - toplevels--; - if (toplevels == 0) - { - deregister_application (this_app); - reinit_register_vars (); - } - if (toplevels < 0) - { - g_warning ("More toplevels removed than added\n"); - toplevels = 0; - } -} - -static void -spi_atk_bridge_register_application (const char *registry) -{ - bridge_threads_leave (); - // TODO: register - bridge_threads_enter (); -} - -/* * Returns a 'canonicalized' value for DISPLAY, * with the screen number stripped off if present. + * + * Not currently used in D-Bus version but may be + * useful in future if we make use of XAtom. */ +#if 0 static const gchar* spi_display_name (void) { @@ -358,37 +68,44 @@ spi_display_name (void) if (!canonical_display_name) { const gchar *display_env = g_getenv ("AT_SPI_DISPLAY"); - if (!display_env) - { - display_env = g_getenv ("DISPLAY"); - if (!display_env || !display_env[0]) - canonical_display_name = ":0"; - else - { - gchar *display_p, *screen_p; - canonical_display_name = g_strdup (display_env); - display_p = strrchr (canonical_display_name, ':'); - screen_p = strrchr (canonical_display_name, '.'); - if (screen_p && display_p && (screen_p > display_p)) - { - *screen_p = '\0'; - } - } - } - else - { - canonical_display_name = display_env; - } + if (!display_env) + { + display_env = g_getenv ("DISPLAY"); + if (!display_env || !display_env[0]) + canonical_display_name = ":0"; + else + { + gchar *display_p, *screen_p; + canonical_display_name = g_strdup (display_env); + display_p = strrchr (canonical_display_name, ':'); + screen_p = strrchr (canonical_display_name, '.'); + if (screen_p && display_p && (screen_p > display_p)) + { + *screen_p = '\0'; + } + } + } + else + { + canonical_display_name = display_env; + } } return canonical_display_name; } +#endif -static Display *bridge_display = NULL; +/*---------------------------------------------------------------------------*/ +/* + * Gets the IOR from the XDisplay. + * Not currently used in D-Bus version, but something similar + * may be employed in the future for accessing the registry daemon + * bus name. + */ +#if 0 static gchar * spi_atk_bridge_get_registry_ior (void) { - Atom AT_SPI_IOR; Atom actual_type; int actual_format; @@ -400,768 +117,197 @@ spi_atk_bridge_get_registry_ior (void) AT_SPI_IOR = XInternAtom (bridge_display, "AT_SPI_IOR", False); XGetWindowProperty(bridge_display, - XDefaultRootWindow (bridge_display), - AT_SPI_IOR, 0L, - (long)BUFSIZ, False, - (Atom) 31, &actual_type, &actual_format, - &nitems, &leftover, &data); + XDefaultRootWindow (bridge_display), + AT_SPI_IOR, 0L, + (long)BUFSIZ, False, + (Atom) 31, &actual_type, &actual_format, + &nitems, &leftover, &data); if (data == NULL) - g_warning (_("AT_SPI_REGISTRY was not started at session startup.")); - + g_warning (_("AT_SPI_REGISTRY was not started at session startup.")); return (gchar *) data; - } +#endif +/*---------------------------------------------------------------------------*/ -static const char * -spi_atk_bridge_get_registry (void) +static void +register_application (SpiAppData *app) { - // TODO: check for registry dying, as the old code attempted to do - return "org.freedesktop.atspi.registry"; -} + DBusMessage *message; + DBusMessageIter iter; + DBusError error; + const char *uname; -static const char * -spi_atk_bridge_get_dec (void) -{ - return "/dec"; -} + dbus_error_init (&error); -int -gtk_module_init (gint *argc, gchar **argv[]) -{ - return atk_bridge_init (argc, argv); -} - -static void -add_signal_listener (const char *signal_name) -{ - guint id; + message = dbus_message_new_method_call (SPI_DBUS_NAME_REGISTRY, + SPI_DBUS_PATH_REGISTRY, + SPI_DBUS_INTERFACE_REGISTRY, + "registerApplication"); + dbus_message_set_no_reply (message, TRUE); - id = atk_add_global_event_listener ( - spi_atk_bridge_signal_listener, signal_name); + uname = dbus_bus_get_unique_name(app->droute.bus); - g_array_append_val (listener_ids, id); + dbus_message_iter_init_append(message, &iter); + dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &uname); + dbus_connection_send (app->droute.bus, message, NULL); + if (message) dbus_message_unref (message); } +/*---------------------------------------------------------------------------*/ + static void -spi_atk_register_event_listeners (void) +deregister_application (SpiAppData *app) { - /* - * 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) - { - g_object_unref (G_OBJECT (bo)); - g_object_unref (ao); - return; - } - - atk_listeners_registered = TRUE; - - /* Register for focus event notifications, and register app with central registry */ + DBusMessage *message; + DBusMessageIter iter; + DBusError error; + const char *uname; - listener_ids = g_array_sized_new (FALSE, TRUE, sizeof (guint), 16); + dbus_error_init (&error); - atk_bridge_focus_tracker_id = atk_add_focus_tracker (spi_atk_bridge_focus_tracker); + message = dbus_message_new_method_call (SPI_DBUS_NAME_REGISTRY, + SPI_DBUS_PATH_REGISTRY, + SPI_DBUS_INTERFACE_REGISTRY, + "deregisterApplication"); + dbus_message_set_no_reply (message, TRUE); - 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_document_event_listener, - "Gtk:AtkDocument:load-complete"); - g_array_append_val (listener_ids, id); - id = atk_add_global_event_listener (spi_atk_bridge_document_event_listener, - "Gtk:AtkDocument:reload"); - g_array_append_val (listener_ids, id); - id = atk_add_global_event_listener (spi_atk_bridge_document_event_listener, - "Gtk:AtkDocument:load-stopped"); - 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); + uname = dbus_bus_get_unique_name(app->droute.bus); - 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:AtkComponent:bounds-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); + dbus_message_iter_init_append(message, &iter); + dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &uname); + dbus_connection_send (app->droute.bus, message, NULL); + if (message) dbus_message_unref (message); } -static void -deregister_application (SpiAppData *app) -{ - const char *registry = spi_atk_bridge_get_registry (); - bridge_threads_leave (); - // todo: deregister - bridge_threads_enter (); -} +/*---------------------------------------------------------------------------*/ static void -spi_atk_bridge_exit_func (void) +exit_func (void) { - SpiAppData *app = (SpiAppData *) this_app; - - DBG (1, g_message ("exiting bridge\n")); - - if (!app) + if (!app_data) { return; } - if (atk_bridge_pid != getpid ()) - { - _exit (0); - } - during_init_shutdown = TRUE; - exiting = TRUE; - /* - * Check whether we still have windows which have not been deleted. - */ spi_atk_tidy_windows (); - /* - * FIXME: this may be incorrect for apps that do their own bonobo - * shutdown, until we can explicitly shutdown to get the ordering - * right. - */ - if (!registry_died) - deregister_application (this_app); - this_app = NULL; - DBG (1, g_message ("bridge exit func complete.\n")); + spi_atk_deregister_event_listeners(); + deregister_application (app_data); - if (g_getenv ("AT_BRIDGE_SHUTDOWN")) - { - } + g_free(app_data); + app_data = NULL; + + /* Not currently creating an XDisplay */ +#if 0 if (bridge_display) XCloseDisplay (bridge_display); +#endif } -void -gnome_accessibility_module_init (void) -{ - atk_bridge_init (NULL, NULL); - - if (g_getenv ("AT_BRIDGE_SHUTDOWN")) - { - g_print("Atk Accessibility bridge initialized\n"); - } -} - -void -gnome_accessibility_module_shutdown (void) -{ - int i; - GArray *ids = listener_ids; - - if (!atk_bridge_initialized) - { - return; - } - during_init_shutdown = TRUE; - atk_bridge_initialized = FALSE; - - if (g_getenv ("AT_BRIDGE_SHUTDOWN")) - { - g_print("Atk Accessibility bridge shutdown\n"); - } - - listener_ids = NULL; - if (atk_bridge_focus_tracker_id) - 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)); - } - - if (atk_bridge_key_event_listener_id) - atk_remove_key_event_listener (atk_bridge_key_event_listener_id); - - deregister_application (this_app); - this_app = NULL; - - misc = NULL; -} - -static void emit(AtkObject *object, const char *name, const char *detail, dbus_int32_t detail1, dbus_int32_t detail2, int type, const void *val) -{ - DBusMessage *sig; - char *path = spi_dbus_get_path(object); - DBusMessageIter iter, sub; - const char *type_as_string = NULL; - dbus_int32_t dummy = 0; - - spi_dbus_update_cache(&this_app->droute); - if (type == DBUS_TYPE_OBJECT_PATH) - { - type_as_string = "o"; - if (!val) val = ""; - } - else if (type == DBUS_TYPE_STRING) type_as_string = "s"; - else if (type == DBUS_TYPE_INT32) type_as_string = "i"; - else if (type == DBUS_TYPE_UINT32) type_as_string = "u"; - else if (type == DBUS_TYPE_INVALID) - { - type = DBUS_TYPE_UINT32; - type_as_string = "u"; - if (!val) val = &dummy; - } - else - { - g_warning("Unknown type %d in property change signal", type); - } - sig = dbus_message_new_signal(path, "org.freedesktop.atspi.Accessible", name); - dbus_message_iter_init_append(sig, &iter); - if (!detail) detail = ""; - dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &detail); - dbus_message_iter_append_basic(&iter, DBUS_TYPE_INT32, &detail1); - dbus_message_iter_append_basic(&iter, DBUS_TYPE_INT32, &detail2); - dbus_message_iter_open_container(&iter, DBUS_TYPE_VARIANT, type_as_string, &sub); - dbus_message_iter_append_basic(&sub, type, &val); - dbus_message_iter_close_container(&iter, &sub); -printf("emit: %s %s\n", name, detail); - dbus_connection_send(this_app->droute.bus, sig, NULL); - g_free(path); - dbus_message_unref(sig); -} - -static void -spi_atk_bridge_focus_tracker (AtkObject *object) -{ - emit(object, "focus", NULL, 0, 0, DBUS_TYPE_INVALID, NULL); -} +/*---------------------------------------------------------------------------*/ -static void emit_rect(AtkObject *object, const char *name, const char *detail, AtkRectangle *rect) +static DBusObjectPathVTable droute_vtable = { - DBusMessage *sig; - char *path = spi_dbus_get_path(object); - DBusMessageIter iter, iter_variant, sub; - dbus_uint32_t x, y, width, height; - dbus_int32_t dummy = 0; - - spi_dbus_update_cache(&this_app->droute); - x = rect->x; - y = rect->y; - width = rect->width; - height = rect->height; - sig = dbus_message_new_signal(path, "org.freedesktop.atspi.Accessible", name); - if (!detail) detail = ""; - if (sig) - { - dbus_message_iter_init_append (sig, &iter); - dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &detail); - dbus_message_iter_append_basic (&iter, DBUS_TYPE_INT32, &dummy); - dbus_message_iter_append_basic (&iter, DBUS_TYPE_INT32, &dummy); - if (!dbus_message_iter_open_container (&iter, DBUS_TYPE_VARIANT, "(iiii)", &iter_variant)) - goto oom; - if (!dbus_message_iter_open_container (&iter_variant, DBUS_TYPE_STRUCT, NULL, &sub)) - goto oom; - dbus_message_iter_append_basic (&sub, DBUS_TYPE_INT32, &x); - dbus_message_iter_append_basic (&sub, DBUS_TYPE_INT32, &y); - dbus_message_iter_append_basic (&sub, DBUS_TYPE_INT32, &width); - dbus_message_iter_append_basic (&sub, DBUS_TYPE_INT32, &height); - if (!dbus_message_iter_close_container (&iter_variant, &sub)) - goto oom; - if (!dbus_message_iter_close_container (&iter, &iter_variant)) - goto oom; - } - dbus_connection_send(this_app->droute.bus, sig, NULL); -oom: - g_free(path); - dbus_message_unref(sig); -} + NULL, + &droute_message, + NULL, NULL, NULL, NULL +}; -static const char *PropertyChange = "object_property_change"; +static gchar *atspi_dbus_name; +static gboolean atspi_no_register; -static gboolean -spi_atk_bridge_property_event_listener (GSignalInvocationHint *signal_hint, - guint n_param_values, - const GValue *param_values, - gpointer data) +static GOptionEntry atspi_option_entries[] = { - AtkPropertyValues *values; - AtkObject *obj; - const gchar *prop_name; - const gchar *sp = NULL; - AtkObject *ao; - char *s_ao = NULL; - gint i; - const gchar *name = NULL; - -#ifdef SPI_BRIDGE_DEBUG - GSignalQuery signal_query; - const gchar *signame; - const gchar *s, *s2; - - g_signal_query (signal_hint->signal_id, &signal_query); - signame = 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), signame, values->property_name, s, s2)); - -#endif - - obj = g_value_get_object (param_values + 0); - name = atk_object_get_name (obj); - values = (AtkPropertyValues*) g_value_get_pointer (param_values + 1); - - prop_name = values->property_name; - if (strcmp (prop_name, "accessible-name") == 0) - { - spi_dbus_notify_change(obj, FALSE, &this_app->droute); - } - else if (strcmp (prop_name, "accessible-description") == 0) - { - spi_dbus_notify_change(obj, FALSE, &this_app->droute); - } - else if (strcmp (prop_name, "accessible-parent") == 0) - { - spi_dbus_notify_change(obj, FALSE, &this_app->droute); - } - else if (strcmp (prop_name, "accessible-table-summary") == 0) - { - ao = atk_table_get_summary (ATK_TABLE (obj)); - s_ao = spi_dbus_get_path(ao); - emit(obj, PropertyChange, prop_name, 0, 0, DBUS_TYPE_OBJECT_PATH, s_ao); - } - 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 (obj), i); - s_ao = spi_dbus_get_path(ao); - emit(obj, PropertyChange, prop_name, 0, 0, DBUS_TYPE_OBJECT_PATH, s_ao); - } - 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 (obj), i); - s_ao = spi_dbus_get_path(ao); - emit(obj, PropertyChange, prop_name, 0, 0, DBUS_TYPE_OBJECT_PATH, s_ao); - } - 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 (obj), i); - emit(obj, PropertyChange, prop_name, 0, 0, DBUS_TYPE_STRING, 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(obj), i); - emit(obj, PropertyChange, prop_name, 0, 0, DBUS_TYPE_STRING, sp); - } - else if (strcmp (prop_name, "accessible-table-caption-object") == 0) - { - ao = atk_table_get_caption (ATK_TABLE(obj)); - sp = atk_object_get_name (ao); - emit(obj, PropertyChange, prop_name, 0, 0, DBUS_TYPE_STRING, sp); - } - else - { - emit(obj, PropertyChange, prop_name, 0, 0, DBUS_TYPE_INVALID, NULL); - } - if (s_ao) g_free(s_ao); - return TRUE; -} + {"atspi-dbus-name", 0, 0, G_OPTION_ARG_STRING, &atspi_dbus_name, "D-Bus bus name to register as", NULL}, + {"atspi-no-register", 0, 0, G_OPTION_ARG_NONE, &atspi_no_register, "Do not register with Registry Daemon", NULL}, + {NULL} +}; -static gboolean -spi_atk_bridge_state_event_listener (GSignalInvocationHint *signal_hint, - guint n_param_values, - const GValue *param_values, - gpointer data) +/* + * spi_app_init + * + * The following needs to be initialized. + * + * - DRoute for routing message to their accessible objects. + * - Event handlers for emmitting signals on specific ATK events. + * - Application registration with the AT-SPI registry. + * + */ +static int +adaptor_init (gint *argc, gchar **argv[]) { - AtkObject *obj; - gchar *property_name; - unsigned long detail1; -#ifdef SPI_BRIDGE_DEBUG - 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 + GOptionContext *opt; + GError *err = NULL; + DBusError error; - obj = ATK_OBJECT(g_value_get_object (param_values + 0)); - property_name = g_strdup (g_value_get_string (param_values + 1)); - /* Ignore defunct for now; we'll send a tree update to remove it when - the object goes away */ - /* Also ignore state changes for objects not yet broadcast */ - if ((property_name && !strcmp(property_name, "defunct")) || - !spi_dbus_object_is_known(obj)) + if (app_data != NULL) + return 0; + + /* Parse command line options */ + opt = g_option_context_new(NULL); + g_option_context_add_main_entries(opt, atspi_option_entries, NULL); + g_option_context_set_ignore_unknown_options(opt, TRUE); + if (!g_option_context_parse(opt, argc, argv, &err)) + g_warning("AT-SPI Option parsing failed: %s\n", err->message); + + /* Allocate global data and do ATK initializations */ + app_data = g_new0 (SpiAppData, 1); + atk_misc = atk_misc_get_instance (); + + /* Get D-Bus connection, register D-Bus name*/ + dbus_error_init (&error); + app_data->root = atk_get_root(); + app_data->droute.bus = dbus_bus_get (DBUS_BUS_SESSION, &error); + if (!app_data->droute.bus) { - g_free(property_name); - return TRUE; + g_warning ("AT-SPI Couldn't connect to D-Bus: %s\n", error.message); + g_free(app_data); + app_data = NULL; + return 0; } - detail1 = (g_value_get_boolean (param_values + 2)) - ? 1 : 0; - emit(obj, "object_state_changed", property_name, detail1, 0, DBUS_TYPE_INVALID, NULL); - g_free (property_name); - 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) - { /* this doesn't really need translating */ - g_print (_("WARNING: NULL key event reported.")); - } - - keystroke->id = (dbus_int32_t) event->keyval; - keystroke->hw_code = (dbus_int16_t) event->keycode; - keystroke->timestamp = (dbus_uint32_t) event->timestamp; - keystroke->modifiers = (dbus_uint16_t) (event->state & 0xFFFF); - if (event->string) - { - gunichar c; - - keystroke->event_string = g_strdup (event->string); - c = g_utf8_get_char_validated (event->string, -1); - if (c > 0 && g_unichar_isprint (c)) - keystroke->is_text = TRUE; - else - keystroke->is_text = FALSE; - } - else - { - keystroke->event_string = g_strdup (""); - keystroke->is_text = 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 gboolean Accessibility_DeviceEventController_notifyListenersSync(const Accessibility_DeviceEvent *key_event) -{ - DBusMessage *message = dbus_message_new_method_call(SPI_DBUS_NAME_REGISTRY, SPI_DBUS_PATH_REGISTRY, "org.freedesktop.atspi.DeviceEventController", "notifyListenersSync"); - DBusError error; - dbus_bool_t consumed = FALSE; - - dbus_error_init(&error); - if (spi_dbus_marshall_deviceEvent(message, key_event)) + if (atspi_dbus_name != NULL && + dbus_bus_request_name(app_data->droute.bus, atspi_dbus_name, 0, &error)) { - DBusMessage *reply = dbus_connection_send_with_reply_and_block(this_app->droute.bus, message, 1000, &error); - if (reply) - { - DBusError error; - dbus_error_init(&error); - dbus_message_get_args(reply, &error, DBUS_TYPE_BOOLEAN, &consumed, DBUS_TYPE_INVALID); - dbus_message_unref(reply); - } + g_print("AT-SPI Recieved D-Bus name - %s\n", atspi_dbus_name); } - dbus_message_unref(message); - return consumed; -} -static gint -spi_atk_bridge_key_listener (AtkKeyEventStruct *event, gpointer data) -{ - gboolean result; - Accessibility_DeviceEvent key_event; - - spi_init_keystroke_from_atk_key_event (&key_event, event); - - bridge_threads_leave (); - result = Accessibility_DeviceEventController_notifyListenersSync (&key_event); - bridge_threads_enter (); + /* Finish setting up D-Bus */ + dbus_connection_setup_with_g_main(app_data->droute.bus, g_main_context_default()); - if (key_event.event_string) g_free (key_event.event_string); - - return result; -} + /* Register droute for routing AT-SPI messages */ + spi_register_tree_object(app_data->droute.bus, &app_data->droute, "/org/freedesktop/atspi/tree"); -static gboolean -spi_atk_bridge_signal_listener (GSignalInvocationHint *signal_hint, - guint n_param_values, - const GValue *param_values, - gpointer data) -{ - AtkObject *obj; - GSignalQuery signal_query; - const gchar *name; - const gchar *detail = NULL; - char *sp = NULL; - AtkObject *ao; - gint detail1 = 0, detail2 = 0; - char *s_ao = NULL; - gchar *sig_name; - char *p; -#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) + if (!dbus_connection_register_fallback (app_data->droute.bus, + "/org/freedesktop/atspi/accessible", + &droute_vtable, + &app_data->droute)) { - detail = g_quark_to_string (signal_hint->detail); + g_warning("AT-SPI Couldn't register droute.\n"); + g_free(app_data); + app_data = NULL; + return 0; } - sig_name = g_strdup_printf("object_%s", name); - while ((p = strchr(sig_name, '-')) != NULL) *p = '_'; - -#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 detail: %s from object %s (gail %s)\n", - g_type_name (signal_query.itype), name, - detail ? detail : "", s ? s : "" , s2); -#endif - - obj = ATK_OBJECT(g_value_get_object (param_values + 0)); - - 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_dbus_get_path(child); - emit(obj, sig_name, detail, detail1, 0, DBUS_TYPE_OBJECT_PATH, s_ao); - g_free(s_ao); - } - 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); - emit(obj, sig_name, detail, detail1, 0, DBUS_TYPE_INVALID, NULL); - } - else if (signal_query.signal_id == atk_signal_bounds_changed) - { - AtkRectangle *atk_rect = NULL; - - if (G_VALUE_HOLDS_BOXED (param_values + 1)) - atk_rect = g_value_get_boxed (param_values + 1); - emit_rect(obj, sig_name, detail, atk_rect); - } - else if ((signal_query.signal_id == atk_signal_children_changed) && obj) - { - spi_dbus_notify_change(obj, FALSE, &this_app->droute); - } - else - { - 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 (obj), - detail1, - detail1+detail2); - emit(obj, sig_name, detail, detail1, detail2, DBUS_TYPE_STRING, sp); - } - else if (signal_query.signal_id == atk_signal_text_selection_changed) - { - /* Return NULL as the selected string */ - emit(obj, sig_name, detail, detail1, detail2, DBUS_TYPE_STRING, ""); - } - else - { - emit(obj, sig_name, detail, 0, 0, DBUS_TYPE_INVALID, NULL); - } - } - - if (sp) - g_free (sp); - if (s_ao) - g_free (s_ao); - g_free(sig_name); + /* Register all interfaces with droute and set up application accessible db */ + atk_dbus_initialize (&app_data->droute); - return TRUE; -} + /* Register methods to send D-Bus signals on certain ATK events */ + spi_atk_register_event_listeners (); -static gboolean -spi_atk_bridge_window_event_listener (GSignalInvocationHint *signal_hint, - guint n_param_values, - const GValue *param_values, - gpointer data) -{ - AtkObject *obj; - GSignalQuery signal_query; - const gchar *name, *s; -#ifdef SPI_BRIDGE_DEBUG - const gchar *s2; -#endif - - g_signal_query (signal_hint->signal_id, &signal_query); + /* Register this app by sending a signal out to AT-SPI registry daemon */ + register_application (app_data); - name = signal_query.signal_name; - gchar *sig_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 : "" , s2); -#endif - - obj = ATK_OBJECT(g_value_get_object (param_values + 0)); + g_atexit (exit_func); - s = atk_object_get_name (obj); - sig_name = g_strdup_printf("window_%s", name); - emit(obj, sig_name, NULL, 0, 0, DBUS_TYPE_STRING, s); - g_free(sig_name); - - return TRUE; + return 0; } -static gboolean -spi_atk_bridge_document_event_listener (GSignalInvocationHint *signal_hint, - guint n_param_values, - const GValue *param_values, - gpointer data) -{ - AtkObject *obj; - GSignalQuery signal_query; - const gchar *name, *s; - gchar *sig_name; -#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 : "" , s2); -#endif - - obj = ATK_OBJECT(g_value_get_object (param_values + 0)); - - s = atk_object_get_name (obj); - sig_name = g_strdup_printf("document_%s", name); - emit(obj, sig_name, NULL, 0, 0, DBUS_TYPE_STRING, s); - g_free(sig_name); - return TRUE; -} - -static void -spi_atk_tidy_windows (void) +int +gtk_module_init (gint *argc, gchar **argv[]) { - AtkObject *root; - gint n_children; - gint i; - - root = atk_get_root (); - n_children = atk_object_get_n_accessible_children (root); - for (i = 0; i < n_children; i++) - { - AtkObject *child; - AtkStateSet *stateset; - const gchar *name; - - child = atk_object_ref_accessible_child (root, i); - stateset = atk_object_ref_state_set (child); - - name = atk_object_get_name (child); - if (atk_state_set_contains_state (stateset, ATK_STATE_ACTIVE)) - { - emit(child, "window:deactivate", NULL, 0, 0, DBUS_TYPE_STRING, name); - } - g_object_unref (stateset); - - emit(child, "window:destroy", NULL, 0, 0, DBUS_TYPE_STRING, name); - g_object_unref (child); - } + return adaptor_init (argc, argv); } -static void -reinit_register_vars (void) -{ - registry = NULL; - device_event_controller = NULL; - this_app = NULL; -} +/*END------------------------------------------------------------------------*/