#include <string.h>
static void handle_get_items (DBusPendingCall *pending, void *user_data);
-gboolean _atspi_process_deferred_messages (gpointer data);
static DBusConnection *bus = NULL;
static GHashTable *live_refs = NULL;
static gint method_call_timeout = 800;
static gint app_startup_time = 15000;
+static gboolean allow_sync = TRUE;
GMainLoop *atspi_main_loop;
GMainContext *atspi_main_context;
const char *atspi_interface_registry = ATSPI_DBUS_INTERFACE_REGISTRY;
const char *atspi_interface_selection = ATSPI_DBUS_INTERFACE_SELECTION;
const char *atspi_interface_table = ATSPI_DBUS_INTERFACE_TABLE;
+const char *atspi_interface_table_cell = ATSPI_DBUS_INTERFACE_TABLE_CELL;
const char *atspi_interface_text = ATSPI_DBUS_INTERFACE_TEXT;
const char *atspi_interface_cache = ATSPI_DBUS_INTERFACE_CACHE;
const char *atspi_interface_value = ATSPI_DBUS_INTERFACE_VALUE;
"org.a11y.atspi.LoginHelper",
ATSPI_DBUS_INTERFACE_SELECTION,
ATSPI_DBUS_INTERFACE_TABLE,
+ ATSPI_DBUS_INTERFACE_TABLE_CELL,
ATSPI_DBUS_INTERFACE_TEXT,
ATSPI_DBUS_INTERFACE_VALUE,
NULL
GHashTable *
_atspi_get_live_refs (void)
{
- if (!live_refs)
+ if (!live_refs)
{
live_refs = g_hash_table_new (g_direct_hash, g_direct_equal);
}
if (!bus)
atspi_init ();
if (!bus)
- g_error ("AT-SPI: COuldn't connect to accessibility bus. Is at-spi-bus-launcher running?");
+ g_error ("AT-SPI: Couldn't connect to accessibility bus. Is at-spi-bus-launcher running?");
return bus;
}
DBusMessage *message;
const char *address;
DBusPendingCall *new_pending;
+ dbus_bool_t result;
if (dbus_message_get_type (reply) == DBUS_MESSAGE_TYPE_METHOD_RETURN)
{
"/org/a11y/atspi/cache",
atspi_interface_cache, "GetItems");
- dbus_connection_send_with_reply (app->bus, message, &new_pending, 2000);
- dbus_pending_call_set_notify (new_pending, handle_get_items, app, NULL);
+ result = dbus_connection_send_with_reply (app->bus, message, &new_pending, 2000);
dbus_message_unref (message);
+ if (!result || !new_pending)
+ return;
+ dbus_pending_call_set_notify (new_pending, handle_get_items, app, NULL);
}
static AtspiApplication *
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);
- dbus_pending_call_set_notify (pending, handle_get_bus_address, app, NULL);
+ result = dbus_connection_send_with_reply (app->bus, message, &pending, 2000);
dbus_message_unref (message);
+ if (!result || !pending)
+ {
+ g_hash_table_remove (app_hash, bus_name_dup);
+ return NULL;
+ }
+ dbus_pending_call_set_notify (pending, handle_get_bus_address, app, NULL);
return app;
}
-static AtspiAccessible *
+AtspiAccessible *
ref_accessible (const char *app_name, const char *path)
{
AtspiApplication *app;
else if (!new[0])
registry_lost = TRUE;
}
- else
+ else if (app_hash)
{
- AtspiAccessible *desktop = atspi_get_desktop (0);
- GList *l;
- for (l = desktop->children; l; l = l->next)
- {
- AtspiAccessible *child = l->data;
- if (!strcmp (child->parent.app->bus_name, old))
- g_object_run_dispose (G_OBJECT (child->parent.app));
- }
- g_object_unref (desktop);
+ AtspiApplication *app = g_hash_table_lookup (app_hash, old);
+ if (app && app->bus_name && !strcmp(app->bus_name, name))
+ g_object_run_dispose (G_OBJECT (app));
}
return DBUS_HANDLER_RESULT_HANDLED;
}
return (obj != NULL);
}
-static void
-send_children_changed (AtspiAccessible *parent, AtspiAccessible *child, gboolean add)
-{
- AtspiEvent e;
-
- memset (&e, 0, sizeof (e));
- e.type = (add? "object:children-changed:add": "object:children-changed:remove");
- e.source = parent;
- e.detail1 = g_list_index (parent->children, child);
- e.detail2 = 0;
- _atspi_send_event (&e);
-}
-
-static void
-unref_object_and_descendants (AtspiAccessible *obj)
-{
- GList *l;
-
- for (l = obj->children; l; l = l->next)
- {
- unref_object_and_descendants (l->data);
- }
- g_object_unref (obj);
-}
-
-static gboolean
-remove_app_from_desktop (AtspiAccessible *a, const char *bus_name)
-{
- GList *l;
- AtspiAccessible *child;
-
- for (l = a->children; l; l = l->next)
- {
- child = l->data;
- if (!strcmp (bus_name, child->parent.app->bus_name)) break;
- }
- if (!l)
- {
- return FALSE;
- }
- send_children_changed (a, child, FALSE);
- a->children = g_list_remove (a->children, child);
- unref_object_and_descendants (child);
- return TRUE;
-}
-
void
get_reference_from_iter (DBusMessageIter *iter, const char **app_name, const char **path)
{
DBusMessageIter iter;
AtspiHyperlink *retval = NULL;
const char *signature;
-
+
if (!message)
return NULL;
void *data;
} BusDataClosure;
-static guint process_deferred_messages_source = NULL;
+static GSource *process_deferred_messages_source = NULL;
static void
process_deferred_message (BusDataClosure *closure)
static GQueue *deferred_messages = NULL;
-gboolean
-_atspi_process_deferred_messages (gpointer data)
+static gboolean
+process_deferred_messages (void)
{
static int in_process_deferred_messages = 0;
BusDataClosure *closure;
dbus_connection_unref (closure->bus);
g_free (closure);
}
- /* If data is NULL, assume that we were called from GLib */
- if (!data)
- {
- g_source_unref (process_deferred_messages_source);
- process_deferred_messages_source = NULL;
- }
in_process_deferred_messages = 0;
return FALSE;
}
+static gboolean
+process_deferred_messages_callback (gpointer data)
+{
+ if (process_deferred_messages ())
+ return G_SOURCE_CONTINUE;
+
+ process_deferred_messages_source = NULL;
+ return G_SOURCE_REMOVE;
+}
+
static DBusHandlerResult
defer_message (DBusConnection *connection, DBusMessage *message, void *user_data)
{
{
process_deferred_messages_source = g_idle_source_new ();
g_source_set_callback (process_deferred_messages_source,
- _atspi_process_deferred_messages, NULL, NULL);
+ process_deferred_messages_callback, NULL, NULL);
g_source_attach (process_deferred_messages_source, atspi_main_context);
+ g_source_unref (process_deferred_messages_source);
}
return DBUS_HANDLER_RESULT_HANDLED;
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}
-static const char *signal_interfaces[] =
-{
- "org.a11y.atspi.Event.Object",
- "org.a11y.atspi.Event.Window",
- "org.a11y.atspi.Event.Mouse",
- "org.a11y.atspi.Event.Terminal",
- "org.a11y.atspi.Event.Document",
- "org.a11y.atspi.Event.Focus",
- NULL
-};
-
/*
* Returns a 'canonicalized' value for DISPLAY,
* with the screen number stripped off if present.
*
* 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)
atspi_inited = TRUE;
- g_type_init ();
-
_atspi_get_live_refs();
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);
if (!check_app (aobj->app, error))
return FALSE;
+ if (!allow_sync)
+ {
+ _atspi_set_error_no_sync (error);
+ return FALSE;
+ }
+
va_start (args, type);
dbus_error_init (&err);
set_timeout (aobj->app);
type, args);
va_end (args);
check_for_hang (NULL, &err, aobj->app->bus, aobj->app->bus_name);
- _atspi_process_deferred_messages ((gpointer)TRUE);
+ process_deferred_messages ();
if (dbus_error_is_set (&err))
{
g_set_error(error, ATSPI_ERROR, ATSPI_ERROR_IPC, "%s", err.message);
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);
va_end (args);
if (msg)
dbus_message_unref (msg);
- _atspi_process_deferred_messages ((gpointer)TRUE);
+ 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;
}
if (!check_app (aobj->app, error))
return FALSE;
+ if (!allow_sync)
+ {
+ _atspi_set_error_no_sync (error);
+ return FALSE;
+ }
+
message = dbus_message_new_method_call (aobj->app->bus_name,
aobj->path,
"org.freedesktop.DBus.Properties",
reply = dbind_send_and_allow_reentry (aobj->app->bus, message, &err);
check_for_hang (reply, &err, aobj->app->bus, aobj->app->bus_name);
dbus_message_unref (message);
- _atspi_process_deferred_messages ((gpointer)TRUE);
+ process_deferred_messages ();
if (!reply)
{
// TODO: throw exception
dbus_error_init (&err);
set_timeout (app);
reply = dbind_send_and_allow_reentry (bus, message, &err);
- _atspi_process_deferred_messages ((gpointer)TRUE);
+ process_deferred_messages ();
dbus_message_unref (message);
if (dbus_error_is_set (&err))
{
_atspi_dbus_set_interfaces (AtspiAccessible *accessible, DBusMessageIter *iter)
{
DBusMessageIter iter_array;
+ char *iter_sig = dbus_message_iter_get_signature (iter);
accessible->interfaces = 0;
+ if (strcmp (iter_sig, "as") != 0)
+ {
+ g_warning ("_atspi_dbus_set_interfaces: Passed iterator with invalid signature %s", dbus_message_iter_get_signature (iter));
+ dbus_free (iter_sig);
+ return;
+ }
+ dbus_free (iter_sig);
dbus_message_iter_recurse (iter, &iter_array);
while (dbus_message_iter_get_arg_type (&iter_array) != DBUS_TYPE_INVALID)
{
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),
g_warning ("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;
}
}
}
+/**
+ * atspi_get_a11y_bus: (skip)
+ */
DBusConnection *
atspi_get_a11y_bus (void)
{
return NULL;
}
}
-
+
/* Simulate a weak ref on the bus */
dbus_connection_set_data (a11y_bus, a11y_dbus_slot, a11y_bus, a11y_bus_free);
}
/**
- * Set the timeout used for method calls. If this is not set explicitly,
- * a default of 0.8 ms is used.
- * Note that at-spi2-registryd currently uses a timeout of 3 seconds when
- * sending a keyboard event notification. This means that, if an AT makes
- * a call in response to the keyboard notification and the application
- * being called does not respond before the timeout is reached,
- * at-spi2-registryd will time out on the keyboard event notification and
- * pass the key onto the application (ie, reply to indicate that the key
- * was not consumed), so this may make it undesirable to set a timeout
- * larger than 3 seconds.
+ * atspi_set_timeout:
+ * @val: The timeout value, in milliseconds, or -1 to disable the timeout.
+ * @startup_time: The amount of time, in milliseconds, to allow to pass
+ * before enforcing timeouts on an application. Can be used to prevent
+ * timeout exceptions if an application is likely to block for an extended
+ * period of time on initialization. -1 can be passed to disable this
+ * behavior.
*
- * @val: The timeout value, in milliseconds, or -1 to disable the timeout.
- * @startup_time: The amount of time, in milliseconds, to allow to pass
- * before enforcing timeouts on an application. Can be used to prevent
- * timeout exceptions if an application is likely to block for an extended
- * period of time on initialization. -1 can be passed to disable this
- * behavior.
+ * Set the timeout used for method calls. If this is not set explicitly,
+ * a default of 0.8 ms is used.
+ * Note that at-spi2-registryd currently uses a timeout of 3 seconds when
+ * sending a keyboard event notification. This means that, if an AT makes
+ * a call in response to the keyboard notification and the application
+ * being called does not respond before the timeout is reached,
+ * at-spi2-registryd will time out on the keyboard event notification and
+ * pass the key onto the application (ie, reply to indicate that the key
+ * was not consumed), so this may make it undesirable to set a timeout
+ * larger than 3 seconds.
*
* By default, the normal timeout is set to 800 ms, and the application startup
* timeout is set to 15 seconds.
app_startup_time = startup_time;
}
-/*
+/**
* atspi_set_main_context:
- * @cnx: The #GmainContext to use.
+ * @cnx: The #GMainContext to use.
*
* Sets the main loop context that AT-SPI should assume is in use when
* setting an idle callback.
g_source_destroy (process_deferred_messages_source);
process_deferred_messages_source = g_idle_source_new ();
g_source_set_callback (process_deferred_messages_source,
- _atspi_process_deferred_messages, NULL, NULL);
+ process_deferred_messages_callback, NULL, NULL);
g_source_attach (process_deferred_messages_source, cnx);
+ g_source_unref (process_deferred_messages_source);
}
atspi_main_context = cnx;
atspi_dbus_connection_setup_with_g_main (atspi_get_a11y_bus (), cnx);
gchar *retval = NULL;
GTypeClass *type_class;
GEnumValue *value;
- const gchar *name = NULL;
type_class = g_type_class_ref (ATSPI_TYPE_ROLE);
g_return_val_if_fail (G_IS_ENUM_CLASS (type_class), NULL);
retval = g_strdup (value->value_nick);
}
+ g_type_class_unref (type_class);
+
if (retval)
return _atspi_name_compat (retval);
return NULL;
}
+
+GHashTable *
+_atspi_dbus_update_cache_from_dict (AtspiAccessible *accessible, DBusMessageIter *iter)
+{
+ GHashTable *cache = _atspi_accessible_ref_cache (accessible);
+ DBusMessageIter iter_dict, iter_dict_entry, iter_struct, iter_variant;
+
+ dbus_message_iter_recurse (iter, &iter_dict);
+ while (dbus_message_iter_get_arg_type (&iter_dict) != DBUS_TYPE_INVALID)
+ {
+ const char *key;
+ GValue *val = NULL;
+ dbus_message_iter_recurse (&iter_dict, &iter_dict_entry);
+ dbus_message_iter_get_basic (&iter_dict_entry, &key);
+ dbus_message_iter_next (&iter_dict_entry);
+ dbus_message_iter_recurse (&iter_dict_entry, &iter_variant);
+ if (!strcmp (key, "interfaces"))
+ {
+ _atspi_dbus_set_interfaces (accessible, &iter_variant);
+ }
+ else if (!strcmp (key, "Attributes"))
+ {
+ char *iter_sig = dbus_message_iter_get_signature (&iter_variant);
+ val = g_new0 (GValue, 1);;
+ g_value_init (val, G_TYPE_HASH_TABLE);
+ if (strcmp (iter_sig, "a{ss}") != 0)
+ {
+ dbus_free (iter_sig);
+ break;
+ }
+ dbus_free (iter_sig);
+ g_value_take_boxed (val, _atspi_dbus_hash_from_iter (&iter_variant));
+ }
+ else if (!strcmp (key, "Component.ScreenExtents"))
+ {
+ dbus_int32_t d_int;
+ AtspiRect extents;
+ char *iter_sig = dbus_message_iter_get_signature (&iter_variant);
+ val = g_new0 (GValue, 1);;
+ g_value_init (val, ATSPI_TYPE_RECT);
+ if (strcmp (iter_sig, "(iiii)") != 0)
+ {
+ dbus_free (iter_sig);
+ break;
+ }
+ dbus_free (iter_sig);
+ dbus_message_iter_recurse (&iter_variant, &iter_struct);
+ dbus_message_iter_get_basic (&iter_struct, &d_int);
+ extents.x = d_int;
+ dbus_message_iter_next (&iter_struct);
+ dbus_message_iter_get_basic (&iter_struct, &d_int);
+ extents.y = d_int;
+ dbus_message_iter_next (&iter_struct);
+ dbus_message_iter_get_basic (&iter_struct, &d_int);
+ extents.width = d_int;
+ dbus_message_iter_next (&iter_struct);
+ dbus_message_iter_get_basic (&iter_struct, &d_int);
+ extents.height = d_int;
+ g_value_set_boxed (val, &extents);
+ }
+ if (val)
+ g_hash_table_insert (cache, g_strdup (key), val);
+ dbus_message_iter_next (&iter_dict);
+ }
+
+ return cache;
+}
+
+gboolean
+_atspi_get_allow_sync ()
+{
+ return allow_sync;
+}
+
+gboolean
+_atspi_set_allow_sync (gboolean val)
+{
+ gboolean ret = allow_sync;
+
+ allow_sync = val;
+ return ret;
+}
+
+void
+_atspi_set_error_no_sync (GError **error)
+{
+ g_set_error_literal (error, ATSPI_ERROR, ATSPI_ERROR_SYNC_NOT_ALLOWED,
+ _("Attempted synchronous call where prohibited"));
+}