#define _GNU_SOURCE
#include "config.h"
-#include <X11/Xlib.h>
-#include <X11/Xatom.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
SpiBridge *spi_global_app_data = NULL;
+static gboolean inited = FALSE;
+
/*---------------------------------------------------------------------------*/
-static void
+static event_data *
add_event (const char *bus_name, const char *event)
{
event_data *evdata;
gchar **data;
spi_atk_add_client (bus_name);
- evdata = (event_data *) g_malloc (sizeof (*evdata));
- if (!evdata)
- return;
+ evdata = g_new0 (event_data, 1);
data = g_strsplit (event, ":", 3);
if (!data)
{
g_free (evdata);
- return;
+ return NULL;
}
evdata->bus_name = g_strdup (bus_name);
evdata->data = data;
spi_global_app_data->events = g_list_append (spi_global_app_data->events, evdata);
+ return evdata;
}
static GSList *clients = NULL;
{
static int replies_received = 0;
+ if (!spi_global_app_data)
+ return;
+
replies_received++;
if (replies_received == 3)
{
}
}
+GType
+_atk_bridge_type_from_iface (const char *iface)
+{
+ if (!strcmp (iface, ATSPI_DBUS_INTERFACE_ACCESSIBLE))
+ return ATK_TYPE_OBJECT;
+ if (!strcmp (iface, ATSPI_DBUS_INTERFACE_ACTION))
+ return ATK_TYPE_ACTION;
+ if (!strcmp (iface, ATSPI_DBUS_INTERFACE_COMPONENT))
+ return ATK_TYPE_COMPONENT;
+ if (!strcmp (iface, ATSPI_DBUS_INTERFACE_DOCUMENT))
+ return ATK_TYPE_DOCUMENT;
+ if (!strcmp (iface, ATSPI_DBUS_INTERFACE_HYPERTEXT))
+ return ATK_TYPE_HYPERTEXT;
+ if (!strcmp (iface, ATSPI_DBUS_INTERFACE_HYPERLINK))
+ return ATK_TYPE_HYPERLINK;
+ if (!strcmp (iface, ATSPI_DBUS_INTERFACE_IMAGE))
+ return ATK_TYPE_IMAGE;
+ if (!strcmp (iface, ATSPI_DBUS_INTERFACE_SELECTION))
+ return ATK_TYPE_SELECTION;
+ if (!strcmp (iface, ATSPI_DBUS_INTERFACE_TABLE))
+ return ATK_TYPE_TABLE;
+ if (!strcmp (iface, ATSPI_DBUS_INTERFACE_TEXT))
+ return ATK_TYPE_TEXT;
+ if (!strcmp (iface, ATSPI_DBUS_INTERFACE_VALUE))
+ return ATK_TYPE_VALUE;
+ return 0;
+}
+
+DRoutePropertyFunction
+_atk_bridge_find_property_func (const char *property, GType *type)
+{
+ const char *iface;
+ const char *member;
+ DRouteProperty *dp;
+
+ if (!strncasecmp (property, "action.", 7))
+ {
+ iface = ATSPI_DBUS_INTERFACE_ACTION;
+ member = property + 7;
+ }
+ else if (!strncasecmp (property, "component.", 10))
+ {
+ iface = ATSPI_DBUS_INTERFACE_COMPONENT;
+ member = property + 10;
+ }
+ else if (!strncasecmp (property, "selection.", 10))
+ {
+ iface = ATSPI_DBUS_INTERFACE_SELECTION;
+ member = property + 10;
+ }
+ else if (!strncasecmp (property, "table.", 6))
+ {
+ iface = ATSPI_DBUS_INTERFACE_TABLE;
+ member = property + 6;
+ }
+ else if (!strncasecmp (property, "text.", 5))
+ {
+ iface = ATSPI_DBUS_INTERFACE_TEXT;
+ member = property + 5;
+ }
+ else if (!strncasecmp (property, "value.", 6))
+ {
+ iface = ATSPI_DBUS_INTERFACE_VALUE;
+ member = property + 6;
+ }
+ else
+ {
+ iface = ATSPI_DBUS_INTERFACE_ACCESSIBLE;
+ member = property;
+ }
+
+ *type = _atk_bridge_type_from_iface (iface);
+
+ dp = g_hash_table_lookup (spi_global_app_data->property_hash, iface);
+
+ if (!dp)
+ return NULL;
+
+ for (;dp->name; dp++)
+ {
+ if (!strcasecmp (dp->name, member))
+ {
+ return dp->get;
+ }
+ }
+ return NULL;
+}
+
+static void
+add_property_to_event (event_data *evdata, const char *property)
+{
+ AtspiPropertyDefinition *prop = g_new0 (AtspiPropertyDefinition, 1);
+ prop->func = _atk_bridge_find_property_func (property, &prop->type);
+ if (!prop->func)
+ {
+ g_warning ("atk-bridge: Request for unknown property '%s'", property);
+ g_free (prop);
+ return;
+ }
+
+ prop->name = g_strdup (property);
+ evdata->properties = g_slist_append (evdata->properties, prop);
+}
+
+static void
+add_event_from_iter (DBusMessageIter *iter)
+{
+ const char *bus_name, *event;
+ event_data *evdata;
+
+ dbus_message_iter_get_basic (iter, &bus_name);
+ dbus_message_iter_next (iter);
+ dbus_message_iter_get_basic (iter, &event);
+ dbus_message_iter_next (iter);
+ evdata = add_event (bus_name, event);
+ if (dbus_message_iter_get_arg_type (iter) == DBUS_TYPE_ARRAY)
+ {
+ DBusMessageIter iter_sub_array;
+ dbus_message_iter_recurse (iter, &iter_sub_array);
+ while (dbus_message_iter_get_arg_type (&iter_sub_array) != DBUS_TYPE_INVALID)
+ {
+ const char *property;
+ dbus_message_iter_get_basic (&iter_sub_array, &property);
+ add_property_to_event (evdata, property);
+ dbus_message_iter_next (&iter_sub_array);
+ }
+ }
+}
+
static void
get_events_reply (DBusPendingCall *pending, void *user_data)
{
DBusMessage *reply = dbus_pending_call_steal_reply (pending);
DBusMessageIter iter, iter_array, iter_struct;
- if (!reply)
+ if (!reply || !spi_global_app_data)
goto done;
- if (strcmp (dbus_message_get_signature (reply), "a(ss)") != 0)
+ if (strcmp (dbus_message_get_signature (reply), "a(ss)") != 0 &&
+ strcmp (dbus_message_get_signature (reply), "a(ssas)") != 0)
{
g_warning ("atk-bridge: GetRegisteredEvents returned message with unknown signature");
goto done;
dbus_message_iter_recurse (&iter, &iter_array);
while (dbus_message_iter_get_arg_type (&iter_array) != DBUS_TYPE_INVALID)
{
- char *bus_name, *event;
dbus_message_iter_recurse (&iter_array, &iter_struct);
- dbus_message_iter_get_basic (&iter_struct, &bus_name);
- dbus_message_iter_next (&iter_struct);
- dbus_message_iter_get_basic (&iter_struct, &event);
- add_event (bus_name, event);
+ add_event_from_iter (&iter_struct);
dbus_message_iter_next (&iter_array);
}
reply = dbus_pending_call_steal_reply (pending);
dbus_pending_call_unref (pending);
+
+ if (!spi_global_app_data)
+ {
+ if (reply)
+ dbus_message_unref (reply);
+ return;
+ }
+
if (reply)
{
gchar *app_name, *obj_path;
dbus_message_iter_next (&iter_struct);
dbus_message_iter_get_basic (&iter_struct, &obj_path);
+ g_free (app->desktop_name);
app->desktop_name = g_strdup (app_name);
+ g_free (app->desktop_path);
app->desktop_path = g_strdup (obj_path);
}
}
}
dbus_message_unref (reply);
- get_registered_event_listeners (spi_global_app_data);
+ if (!spi_global_app_data->events_initialized)
+ get_registered_event_listeners (spi_global_app_data);
}
static gboolean
{
DBusMessage *message;
DBusMessageIter iter;
- DBusError error;
DBusPendingCall *pending;
- const int max_addr_length = 128; /* should be long enough */
- dbus_error_init (&error);
+ g_free (app->desktop_name);
+ g_free (app->desktop_path);
/* These will be overridden when we get a reply, but in practice these
defaults should always be correct */
- app->desktop_name = ATSPI_DBUS_NAME_REGISTRY;
- app->desktop_path = ATSPI_DBUS_PATH_ROOT;
+ app->desktop_name = g_strdup (ATSPI_DBUS_NAME_REGISTRY);
+ app->desktop_path = g_strdup (ATSPI_DBUS_PATH_ROOT);
message = dbus_message_new_method_call (SPI_DBUS_NAME_REGISTRY,
ATSPI_DBUS_PATH_ROOT,
if (!dbus_connection_send_with_reply (app->bus, message, &pending, -1)
|| !pending)
{
+ if (pending)
+ dbus_pending_call_unref (pending);
+
+ dbus_message_unref (message);
return FALSE;
}
if (message)
dbus_message_unref (message);
- /* could this be better, we accept some amount of race in getting the temp name*/
- /* make sure the directory exists */
- mkdir ("/tmp/at-spi2/", S_IRWXU|S_IRWXG|S_IRWXO|S_ISVTX);
- chmod ("/tmp/at-spi2/", S_IRWXU|S_IRWXG|S_IRWXO|S_ISVTX);
- app->app_bus_addr = g_malloc(max_addr_length * sizeof(char));
-#ifndef DISABLE_P2P
- sprintf (app->app_bus_addr, "unix:path=/tmp/at-spi2/socket-%d-%d", getpid(),
- rand());
-#else
- app->app_bus_addr [0] = '\0';
-#endif
-
return TRUE;
}
{
DBusMessage *message;
DBusMessageIter iter;
- DBusError error;
const char *uname;
- dbus_error_init (&error);
-
message = dbus_message_new_method_call (SPI_DBUS_NAME_REGISTRY,
ATSPI_DBUS_PATH_REGISTRY,
ATSPI_DBUS_INTERFACE_REGISTRY,
dbus_connection_send (app->bus, message, NULL);
if (message)
dbus_message_unref (message);
+
+ if (app->app_bus_addr)
+ {
+ unlink (app->app_bus_addr);
+ g_free (app->app_bus_addr);
+ app->app_bus_addr = NULL;
+ }
+
+ if (app->app_tmp_dir)
+ {
+ rmdir (app->app_tmp_dir);
+ g_free (app->app_tmp_dir);
+ app->app_tmp_dir = NULL;
+ }
+
+ g_free (app->desktop_name);
+ app->desktop_name = NULL;
+ g_free (app->desktop_path);
+ app->desktop_path = NULL;
}
/*---------------------------------------------------------------------------*/
static void
socket_embed_hook (AtkSocket * socket, gchar * plug_id)
{
+ g_return_if_fail (spi_global_register != NULL);
+
AtkObject *accessible = ATK_OBJECT(socket);
gchar *plug_name, *plug_path;
AtkObjectClass *klass;
socket_class->embed = socket_embed_hook;
}
-static uint
-get_ancestral_uid (uint pid)
+static guint
+get_ancestral_uid (guint pid)
{
FILE *fp;
char buf [80];
spi_global_app_data->direct_connections = g_list_append (spi_global_app_data->direct_connections, con);
}
-static int
-setup_bus (void)
-{
-#ifndef DISABLE_P2P
- DBusServer *server;
- DBusError err;
-
- dbus_error_init(&err);
- server = dbus_server_listen(spi_global_app_data->app_bus_addr, &err);
- if (server == NULL)
- {
- g_warning ("atk-bridge: Couldn't listen on dbus server: %s", err.message);
- dbus_error_init (&err);
- spi_global_app_data->app_bus_addr [0] = '\0';
- g_main_context_unref (spi_global_app_data->main_context);
- spi_global_app_data->main_context = NULL;
- return -1;
- }
-
- atspi_dbus_server_setup_with_g_main(server, NULL);
- dbus_server_set_new_connection_function(server, new_connection_cb, NULL, NULL);
-
- spi_global_app_data->server = server;
-#endif
-
- return 0;
-}
-
gchar *atspi_dbus_name = NULL;
static gboolean atspi_no_register = FALSE;
handle_event_listener_registered (DBusConnection *bus, DBusMessage *message,
void *user_data)
{
- const char *name;
- char *sender;
+ DBusMessageIter iter;
+ const char *signature = dbus_message_get_signature (message);
- if (!dbus_message_get_args (message, NULL, DBUS_TYPE_STRING, &sender,
- DBUS_TYPE_STRING, &name, DBUS_TYPE_INVALID))
+ if (strcmp (signature, "ssas") != 0 &&
+ strcmp (signature, "ss") != 0)
+ {
+ g_warning ("got RegisterEvent with invalid signature '%s'", signature);
return;
+ }
- add_event (sender, name);
+ dbus_message_iter_init (message, &iter);
+ add_event_from_iter (&iter);
+}
+
+static void
+free_property_definition (void *data)
+{
+ AtspiPropertyDefinition *pd = data;
+
+ g_free (pd->name);
+ g_free (pd);
}
static void
spi_event_is_subtype (evdata->data, remove_data))
{
GList *events = spi_global_app_data->events;
- list = list->next;
g_strfreev (evdata->data);
g_free (evdata->bus_name);
+ g_slist_free_full (evdata->properties, free_property_definition);
g_free (evdata);
- spi_global_app_data->events = g_list_remove (events, evdata);
+ if (list->prev)
+ {
+ GList *next = list->next;
+ list->prev = g_list_remove (list->prev, evdata);
+ list = next;
+ }
+ else
+ {
+ spi_global_app_data->events = g_list_remove (events, evdata);
+ list = spi_global_app_data->events;
+ }
}
else
{
const char *interface = dbus_message_get_interface (message);
const char *member = dbus_message_get_member (message);
DBusHandlerResult result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
+ static gboolean registry_lost = FALSE;
if (dbus_message_get_type (message) != DBUS_MESSAGE_TYPE_SIGNAL)
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
!g_strcmp0(member, "NameOwnerChanged"))
{
char *name, *old, *new;
- result = DBUS_HANDLER_RESULT_HANDLED;
if (dbus_message_get_args (message, NULL,
DBUS_TYPE_STRING, &name,
DBUS_TYPE_STRING, &old,
DBUS_TYPE_STRING, &new,
DBUS_TYPE_INVALID))
{
- if (*old != '\0' && *new == '\0')
+ if (!strcmp (name, "org.a11y.atspi.Registry"))
+ {
+ if (registry_lost && !old[0])
+ {
+ register_application (spi_global_app_data);
+ registry_lost = FALSE;
+ }
+ else if (!new[0])
+ registry_lost = TRUE;
+ }
+ else if (*old != '\0' && *new == '\0')
spi_atk_remove_client (old);
}
}
return result;
}
+int
+spi_atk_create_socket (SpiBridge *app)
+{
+#ifndef DISABLE_P2P
+ DBusServer *server;
+ DBusError error;
+
+ if (getuid () != 0)
+ {
+ app->app_tmp_dir = g_build_filename (g_get_user_runtime_dir (),
+ "at-spi2-XXXXXX", NULL);
+ if (!g_mkdtemp (app->app_tmp_dir))
+ {
+ g_free (app->app_tmp_dir);
+ app->app_tmp_dir = NULL;
+ return FALSE;
+ }
+ }
+
+ if (app->app_tmp_dir)
+ app->app_bus_addr = g_strdup_printf ("unix:path=%s/socket", app->app_tmp_dir);
+ else
+ app->app_bus_addr = g_strdup_printf ("unix:path=%s/at-spi2-socket-%d",
+ g_get_user_runtime_dir (), getpid ());
+
+ if (!spi_global_app_data->app_bus_addr)
+ return -1;
+
+ dbus_error_init(&error);
+ server = dbus_server_listen(spi_global_app_data->app_bus_addr, &error);
+ if (server == NULL)
+ {
+ g_warning ("atk-bridge: Couldn't listen on dbus server: %s", error.message);
+ dbus_error_free (&error);
+ spi_global_app_data->app_bus_addr [0] = '\0';
+ g_main_context_unref (spi_global_app_data->main_context);
+ spi_global_app_data->main_context = NULL;
+ return -1;
+ }
+
+ atspi_dbus_server_setup_with_g_main(server, NULL);
+ dbus_server_set_new_connection_function(server, new_connection_cb, NULL, NULL);
+
+ spi_global_app_data->server = server;
+#endif
+
+ return 0;
+}
+
+/*
+ * Checks the status of the environment variables
+ *
+ * At this moment it only checks NO_AT_BRIDGE
+ *
+ * Returns TRUE if there isn't anything on the environment preventing
+ * you to load the bridge, FALSE otherwise
+ */
+static gboolean
+check_envvar (void)
+{
+ const gchar *envvar;
+
+ envvar = g_getenv ("NO_AT_BRIDGE");
+
+ if (envvar && atoi (envvar) == 1)
+ return FALSE;
+ else
+ return TRUE;
+}
+
+void
+spi_atk_activate ()
+{
+ DRoutePath *treepath;
+
+ spi_atk_register_event_listeners ();
+ if (!spi_global_cache)
+ {
+ spi_global_cache = g_object_new (SPI_CACHE_TYPE, NULL);
+ treepath = droute_add_one (spi_global_app_data->droute,
+ "/org/a11y/atspi/cache", spi_global_cache);
+
+ if (!treepath)
+ {
+ g_warning ("atk-bridge: Error in droute_add_one(). Already running?");
+ return;
+ }
+ spi_initialize_cache (treepath);
+ if (spi_global_app_data->bus)
+ droute_path_register (treepath, spi_global_app_data->bus);
+ }
+}
+
/*
* spi_app_init
*
*
*/
int
-adaptor_init (gint * argc, gchar ** argv[])
+atk_bridge_adaptor_init (gint * argc, gchar ** argv[])
{
GOptionContext *opt;
GError *err = NULL;
DBusError error;
AtkObject *root;
- static gboolean inited = FALSE;
+ gboolean load_bridge;
+ DRoutePath *accpath;
- if (inited)
+ load_bridge = check_envvar ();
+ if (inited && !load_bridge)
+ g_warning ("ATK Bridge is disabled but a11y has already been enabled.");
+
+ if (inited || !load_bridge)
return 0;
inited = TRUE;
- DRoutePath *treepath, *accpath;
-
root = atk_get_root ();
g_warn_if_fail (root);
if (!root)
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);
+ {
+ g_warning ("AT-SPI Option parsing failed: %s\n", err->message);
+ g_error_free (err);
+ }
g_option_context_free (opt);
/* Allocate global data and do ATK initializations */
*/
spi_global_register = g_object_new (SPI_REGISTER_TYPE, NULL);
spi_global_leasing = g_object_new (SPI_LEASING_TYPE, NULL);
- spi_global_cache = g_object_new (SPI_CACHE_TYPE, NULL);
/* Register droute for routing AT-SPI messages */
spi_global_app_data->droute =
droute_new ();
- treepath = droute_add_one (spi_global_app_data->droute,
- "/org/a11y/atspi/cache", spi_global_cache);
-
- if (!treepath)
- {
- g_warning ("atk-bridge: Error in droute_add_one(). Already running?");
- return -1;
- }
-
accpath = droute_add_many (spi_global_app_data->droute,
"/org/a11y/atspi/accessible",
NULL,
/* Register all interfaces with droute and set up application accessible db */
- spi_initialize_cache (treepath);
spi_initialize_accessible (accpath);
spi_initialize_application (accpath);
spi_initialize_action (accpath);
spi_initialize_selection (accpath);
spi_initialize_socket (accpath);
spi_initialize_table (accpath);
+ spi_initialize_table_cell (accpath);
spi_initialize_text (accpath);
spi_initialize_value (accpath);
spi_global_app_data->bus);
/* Register methods to send D-Bus signals on certain ATK events */
- spi_atk_register_event_listeners ();
+ if (clients)
+ spi_atk_activate ();
/* Set up filter and match rules to catch signals */
dbus_bus_add_match (spi_global_app_data->bus, "type='signal', interface='org.a11y.atspi.Registry', sender='org.a11y.atspi.Registry'", NULL);
dbus_bus_add_match (spi_global_app_data->bus, "type='signal', interface='org.a11y.atspi.DeviceEventListener', sender='org.a11y.atspi.Registry'", NULL);
+ dbus_bus_add_match (spi_global_app_data->bus, "type='signal', arg0='org.a11y.atspi.Registry', interface='org.freedesktop.DBus', member='NameOwnerChanged'", NULL);
dbus_connection_add_filter (spi_global_app_data->bus, signal_filter, NULL,
NULL);
else
get_registered_event_listeners (spi_global_app_data);
- setup_bus();
-
+ dbus_error_free (&error);
return 0;
}
void
-adaptor_cleanup (void)
+atk_bridge_adaptor_cleanup (void)
{
GList *l;
GSList *ls;
+ if (!inited)
+ return;
+
if (!spi_global_app_data)
return;
{
dbus_connection_remove_filter (spi_global_app_data->bus, signal_filter, NULL);
droute_context_unregister (spi_global_app_data->droute, spi_global_app_data->bus);
+ dbus_connection_close (spi_global_app_data->bus);
dbus_connection_unref (spi_global_app_data->bus);
+ spi_global_app_data->bus = NULL;
}
for (l = spi_global_app_data->direct_connections; l; l = l->next)
droute_context_unregister (spi_global_app_data->droute, connection);
droute_unintercept_dbus (connection);
+ dbus_connection_close (connection);
dbus_connection_unref (connection);
}
g_list_free (spi_global_app_data->direct_connections);
+ spi_global_app_data->direct_connections = NULL;
for (ls = clients; ls; ls = ls->next)
- g_free (l->data);
+ g_free (ls->data);
g_slist_free (clients);
clients = NULL;
- g_object_unref (spi_global_cache);
- g_object_unref (spi_global_leasing);
- g_object_unref (spi_global_register);
+ g_clear_object (&spi_global_cache);
+ g_clear_object (&spi_global_leasing);
+ g_clear_object (&spi_global_register);
if (spi_global_app_data->main_context)
g_main_context_unref (spi_global_app_data->main_context);
g_free (spi_global_app_data);
spi_global_app_data = NULL;
+
+ inited = FALSE;
}
/*---------------------------------------------------------------------------*/
if (!g_strcmp0 (l->data, bus_name))
return;
}
- if (!clients && spi_global_app_data->events_initialized)
- spi_atk_register_event_listeners ();
+ if (!clients)
+ spi_atk_activate ();
clients = g_slist_append (clients, g_strdup (bus_name));
match = g_strdup_printf (name_match_tmpl, bus_name);
dbus_bus_add_match (spi_global_app_data->bus, match, NULL);
clients = g_slist_delete_link (clients, l);
if (!clients)
spi_atk_deregister_event_listeners ();
+ return;
}
l = next_node;
}
}
+void
+spi_atk_add_interface (DRoutePath *path,
+ const char *name,
+ const char *introspect,
+ const DRouteMethod *methods,
+ const DRouteProperty *properties)
+{
+ droute_path_add_interface (path, name, introspect, methods, properties);
+
+ if (properties)
+ {
+ if (!spi_global_app_data->property_hash)
+ spi_global_app_data->property_hash = g_hash_table_new_full (g_str_hash,
+ g_str_equal,
+ g_free, NULL);
+ g_hash_table_insert (spi_global_app_data->property_hash, g_strdup (name),
+ (gpointer) properties);
+ }
+}
/*END------------------------------------------------------------------------*/
projects / platform / core / uifw / at-spi2-atk.git / blobdiff