* Copyright 2010, 2011 Novell, Inc.
*
* This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
+ * modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
+ * version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
+ * Lesser General Public License for more details.
*
- * You should have received a copy of the GNU Library General Public
+ * You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
+ * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
*/
/*
GHashTable *
_atspi_get_live_refs (void)
{
- if (!live_refs)
+ if (!live_refs)
{
live_refs = g_hash_table_new (g_direct_hash, g_direct_equal);
}
for (i = desktop->children->len - 1; i >= 0; i--)
{
AtspiAccessible *child = g_ptr_array_index (desktop->children, i);
- g_object_run_dispose (G_OBJECT (child->parent.app));
+ if (child->parent.app)
+ g_object_run_dispose (G_OBJECT (child->parent.app));
g_object_run_dispose (G_OBJECT (child));
}
DBusMessage *message;
const char *address;
DBusPendingCall *new_pending;
+ dbus_bool_t result;
if (dbus_message_get_type (reply) == DBUS_MESSAGE_TYPE_METHOD_RETURN)
{
else
{
if (!strcmp (error.name, DBUS_ERROR_FILE_NOT_FOUND))
- g_warning ("Unable to open bus connection: %s", error.message);
+ g_warning ("AT-SPI: Unable to open bus connection: %s", error.message);
dbus_error_free (&error);
}
}
"/org/a11y/atspi/cache",
atspi_interface_cache, "GetItems");
- dbus_connection_send_with_reply (app->bus, message, &new_pending, 2000);
+ result = dbus_connection_send_with_reply (app->bus, message, &new_pending, 2000);
dbus_message_unref (message);
- if (!new_pending)
+ if (!result || !new_pending)
return;
dbus_pending_call_set_notify (new_pending, handle_get_items, app, NULL);
}
char *bus_name_dup;
DBusMessage *message;
DBusPendingCall *pending = NULL;
+ dbus_bool_t result;
if (!app_hash)
{
message = dbus_message_new_method_call (bus_name, atspi_path_root,
atspi_interface_application, "GetApplicationBusAddress");
- dbus_connection_send_with_reply (app->bus, message, &pending, 2000);
+ result = dbus_connection_send_with_reply (app->bus, message, &pending, 2000);
dbus_message_unref (message);
- if (!pending)
+ if (!result || !pending)
{
g_hash_table_remove (app_hash, bus_name_dup);
return NULL;
return app;
}
-static AtspiAccessible *
+AtspiAccessible *
ref_accessible (const char *app_name, const char *path)
{
AtspiApplication *app;
else if (app_hash)
{
AtspiApplication *app = g_hash_table_lookup (app_hash, old);
- if (app && !strcmp (app->bus_name, old))
+ if (app && app->bus_name && !strcmp(app->bus_name, name))
g_object_run_dispose (G_OBJECT (app));
}
return DBUS_HANDLER_RESULT_HANDLED;
{
const char *sender = dbus_message_get_sender (reply);
const char *error = NULL;
- if (!strcmp (dbus_message_get_error_name (reply),
- DBUS_ERROR_SERVICE_UNKNOWN))
+ const char *error_name = dbus_message_get_error_name (reply);
+ if (!strcmp (error_name, DBUS_ERROR_SERVICE_UNKNOWN)
+ || !strcmp (error_name, DBUS_ERROR_NO_REPLY))
{
}
else
DBusMessageIter iter;
AtspiHyperlink *retval = NULL;
const char *signature;
-
+
if (!message)
return NULL;
*
* Connects to the accessibility registry and initializes the SPI.
*
- * Returns: 0 on success, 1 if already initialized, or an integer error code.
+ * Returns: 0 on success, 1 if already initialized, or an integer error code.
**/
int
atspi_init (void)
bus = atspi_get_a11y_bus ();
if (!bus)
return 2;
- dbus_bus_register (bus, NULL);
+ if (!dbus_bus_register (bus, NULL))
+ return 2;
atspi_dbus_connection_setup_with_g_main(bus, g_main_context_default());
dbus_connection_add_filter (bus, atspi_dbus_filter, NULL, NULL);
match = g_strdup_printf ("type='signal',interface='%s',member='AddAccessible'", atspi_interface_cache);
/**
* atspi_exit:
*
- * Disconnects from #AtspiRegistry instances and releases
+ * Disconnects from #AtspiRegistry instances and releases
* any floating resources. Call only once at exit.
*
* Returns: 0 if there were no leaks, otherwise other integer values.
DBusMessage *message;
gchar *bus_name_dup;
DBusPendingCall *pending = NULL;
+ dbus_bool_t result;
for (l = hung_processes; l; l = l->next)
if (!strcmp (l->data, bus_name))
return;
"Ping");
if (!message)
return;
- dbus_connection_send_with_reply (bus, message, &pending, -1);
+ result = dbus_connection_send_with_reply (bus, message, &pending, -1);
dbus_message_unref (message);
- if (!pending)
+ if (!result || !pending)
return;
bus_name_dup = g_strdup (bus_name);
hung_processes = g_slist_append (hung_processes, bus_name_dup);
const char *type, ...)
{
va_list args;
-
+ DBusMessage * result;
va_start (args, type);
- return _atspi_dbus_call_partial_va (obj, interface, method, error, type, args);
+ result = _atspi_dbus_call_partial_va (obj, interface, method, error, type, args);
+ va_end (args);
+ return result;
}
{
AtspiObject *aobj = ATSPI_OBJECT (obj);
DBusError err;
- DBusMessage *msg = NULL, *reply = NULL;
- DBusMessageIter iter;
- const char *p;
+ DBusMessage *msg = NULL, *reply = NULL;
+ DBusMessageIter iter;
+ const char *p;
dbus_error_init (&err);
process_deferred_messages ();
if (dbus_error_is_set (&err))
{
- /* TODO: Set gerror */
+ g_set_error_literal(error, ATSPI_ERROR, ATSPI_ERROR_IPC, err.message);
dbus_error_free (&err);
+ if (reply)
+ dbus_message_unref(reply);
+ return NULL;
}
-
- if (reply && dbus_message_get_type (reply) == DBUS_MESSAGE_TYPE_ERROR)
+ else if (reply && dbus_message_get_type(reply) == DBUS_MESSAGE_TYPE_ERROR)
{
const char *err_str = NULL;
dbus_message_get_args (reply, NULL, DBUS_TYPE_STRING, &err_str, DBUS_TYPE_INVALID);
dbus_message_unref (reply);
return NULL;
}
-
return reply;
}
dbus_message_iter_init (reply, &iter);
if (dbus_message_iter_get_arg_type (&iter) != 'v')
{
- g_warning ("AT-SPI: expected a variant when fetching %s from interface %s; got %s\n", name, interface, dbus_message_get_signature (reply));
+ g_warning ("atspi_dbus_get_property: expected a variant when fetching %s from interface %s; got %s\n", name, interface, dbus_message_get_signature (reply));
goto done;
}
dbus_message_iter_recurse (&iter, &iter_variant);
g_warning ("Could not open X display");
return NULL;
}
-
+
AT_SPI_BUS = XInternAtom (bridge_display, "AT_SPI_BUS", False);
XGetWindowProperty (bridge_display,
XDefaultRootWindow (bridge_display),
if (!reply)
{
- g_warning ("Error retrieving accessibility bus address: %s: %s",
+ g_warning ("AT-SPI: Error retrieving accessibility bus address: %s: %s",
error.name, error.message);
dbus_error_free (&error);
- return NULL;
+ goto out;
}
-
+
{
const char *tmp_address;
if (!dbus_message_get_args (reply,
DBUS_TYPE_INVALID))
{
dbus_message_unref (reply);
- return NULL;
+ goto out;
}
address = g_strdup (tmp_address);
dbus_message_unref (reply);
}
+out:
+ dbus_connection_unref (session_bus);
return address;
}
{
DBusError error;
char *address = NULL;
+ const char *address_env = NULL;
if (a11y_bus && dbus_connection_get_is_connected (a11y_bus))
return a11y_bus;
if (a11y_dbus_slot == -1)
if (!dbus_connection_allocate_data_slot (&a11y_dbus_slot))
- g_warning ("at-spi: Unable to allocate D-Bus slot");
+ g_warning ("AT-SPI: Unable to allocate D-Bus slot");
+ address_env = g_getenv ("AT_SPI_BUS_ADDRESS");
+ if (address_env != NULL && *address_env != 0)
+ address = g_strdup (address_env);
#ifdef HAVE_X11
- address = get_accessibility_bus_address_x11 ();
+ if (!address && g_getenv ("DISPLAY") != NULL &&
+ g_getenv ("WAYLAND_DISPLAY") == NULL)
+ address = get_accessibility_bus_address_x11 ();
#endif
if (!address)
address = get_accessibility_bus_address_dbus ();
return NULL;
}
}
-
+
/* Simulate a weak ref on the bus */
dbus_connection_set_data (a11y_bus, a11y_dbus_slot, a11y_bus, a11y_bus_free);
g_value_set_boxed (val, &extents);
}
if (val)
- g_hash_table_insert (cache, g_strdup (key), val);
+ g_hash_table_insert (cache, g_strdup (key), val);
dbus_message_iter_next (&iter_dict);
}
g_set_error_literal (error, ATSPI_ERROR, ATSPI_ERROR_SYNC_NOT_ALLOWED,
_("Attempted synchronous call where prohibited"));
}
+
+static const char *sr_introspection = "<!DOCTYPE node PUBLIC \"-//freedesktop//DTD D-BUS Object Introspection 1.0//EN\"\n"
+"\"http://www.freedesktop.org/standards/dbus/1.0/introspect.dtd\">\n"
+"<node name=\"/org/a11y/atspi/screenreader\">\n"
+" <interface name=\"org.a11y.Atspi.ScreenReader\">\n"
+" <signal name=\"ReadingPosition\">\n"
+" <arg type=\"i\"/>\n"
+" <arg type=\"i\"/>\n"
+" </signal>\n"
+" </interface>\n"
+"</node>";
+
+static DBusHandlerResult
+screen_reader_filter (DBusConnection *bus, DBusMessage *message, void *user_data)
+{
+ if (dbus_message_is_method_call (message, DBUS_INTERFACE_INTROSPECTABLE,
+ "Introspect"))
+ {
+ DBusMessage *reply = dbus_message_new_method_return (message);
+ dbus_message_append_args (reply, DBUS_TYPE_STRING, &sr_introspection,
+ DBUS_TYPE_INVALID);
+ dbus_connection_send (bus, reply, NULL);
+ dbus_message_unref (reply);
+ return DBUS_HANDLER_RESULT_HANDLED;
+ }
+ return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
+}
+
+gboolean
+_atspi_prepare_screen_reader_interface ()
+{
+ static gint initialized = 0;
+ DBusConnection *a11y_bus = _atspi_bus ();
+
+ if (initialized)
+ return (initialized > 0);
+
+ if (dbus_bus_request_name (a11y_bus, "org.a11y.Atspi.ScreenReader", 0, NULL) < 0)
+ {
+ initialized = -1;
+ return FALSE;
+ }
+
+ initialized = 1;
+ dbus_connection_add_filter (a11y_bus, screen_reader_filter, NULL, NULL);
+ return TRUE;
+}
projects / platform / upstream / at-spi2-core.git / blobdiff