#define _GNU_SOURCE
#include "config.h"
-#include <X11/Xlib.h>
-#include <X11/Xatom.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <atk/atk.h>
#include <droute/droute.h>
-#include <gmodule.h>
#include <atspi/atspi.h>
+#include <atk-bridge.h>
#include "bridge.h"
#include "event.h"
SpiBridge *spi_global_app_data = NULL;
-/*static Display *bridge_display = NULL;*/
-
-/*---------------------------------------------------------------------------*/
-
-/*
- * Returns a 'canonicalized' value for DISPLAY,
- * with the screen number stripped off if present.
- *
- */
-static const gchar *
-spi_display_name (void)
-{
- static const char *canonical_display_name = NULL;
- 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;
- }
- }
- return canonical_display_name;
-}
-
-/*---------------------------------------------------------------------------*/
-
-static void
-set_reply (DBusPendingCall *pending, void *user_data)
-{
- void **replyptr = (void **)user_data;
-
- *replyptr = dbus_pending_call_steal_reply (pending);
- dbus_pending_call_unref (pending);
-}
+static gboolean inited = FALSE;
/*---------------------------------------------------------------------------*/
{
event_data *evdata;
gchar **data;
- GList *new_list;
spi_atk_add_client (bus_name);
evdata = (event_data *) g_malloc (sizeof (*evdata));
}
evdata->bus_name = g_strdup (bus_name);
evdata->data = data;
- new_list = g_list_append (spi_global_app_data->events, evdata);
- if (new_list)
- spi_global_app_data->events = new_list;
+ spi_global_app_data->events = g_list_append (spi_global_app_data->events, evdata);
}
static GSList *clients = NULL;
{
DBusMessage *reply;
SpiBridge *app = user_data;
- DBusMessage *message;
reply = dbus_pending_call_steal_reply (pending);
dbus_pending_call_unref (pending);
static gboolean
register_application (SpiBridge * app)
{
- DBusMessage *message, *reply;
+ DBusMessage *message;
DBusMessageIter iter;
DBusError error;
DBusPendingCall *pending;
- const int max_addr_length = 128; /* should be long enough */
dbus_error_init (&error);
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;
}
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;
+ }
}
/*---------------------------------------------------------------------------*/
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];
static void
new_connection_cb (DBusServer *server, DBusConnection *con, void *data)
{
- GList *new_list;
-
dbus_connection_set_unix_user_function (con, user_check, NULL, NULL);
dbus_connection_ref(con);
atspi_dbus_connection_setup_with_g_main(con, NULL);
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;
static void
remove_events (const char *bus_name, const char *event)
{
- event_data *evdata;
gchar **remove_data;
GList *list;
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_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
{
handle_event_listener_deregistered (DBusConnection *bus, DBusMessage *message,
void *user_data)
{
- const char *orig_name;
gchar *name;
char *sender;
return result;
}
+int
+spi_atk_create_socket (SpiBridge *app)
+{
+#ifndef DISABLE_P2P
+ DBusServer *server;
+ DBusError err;
+
+ 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(&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;
+}
+
+/*
+ * 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;
+}
+
/*
* spi_app_init
*
* - Application registration with the AT-SPI registry.
*
*/
-static int
-adaptor_init (gint * argc, gchar ** argv[])
+int
+atk_bridge_adaptor_init (gint * argc, gchar ** argv[])
{
GOptionContext *opt;
GError *err = NULL;
DBusError error;
AtkObject *root;
- gchar *introspection_directory;
- static gboolean inited = FALSE;
+ gboolean load_bridge;
+ DRoutePath *treepath, *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)
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_register_event_listeners ();
/* 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);
else
get_registered_event_listeners (spi_global_app_data);
- setup_bus();
-
- return 0;
-}
-
-/*---------------------------------------------------------------------------*/
-
-int
-gtk_module_init (gint * argc, gchar ** argv[])
-{
- const gchar *load_bridge = g_getenv ("NO_AT_BRIDGE");
-
- if (!load_bridge || g_ascii_strtod (load_bridge, NULL) == 0)
- {
- return adaptor_init (argc, argv);
- }
return 0;
}
-gchar*
-g_module_check_init (GModule *module)
-{
- g_module_make_resident (module);
-
- return NULL;
-}
-
void
-gnome_accessibility_module_init (void)
-{
- const gchar *load_bridge = g_getenv ("NO_AT_BRIDGE");
-
- if (!load_bridge || g_ascii_strtod (load_bridge, NULL) == 0)
- {
- adaptor_init (NULL, NULL);
-
- if (g_getenv ("AT_SPI_DEBUG"))
- {
- g_print ("Atk Accessibility bridge initialized\n");
- }
- }
-}
-
-void
-gnome_accessibility_module_shutdown (void)
+atk_bridge_adaptor_cleanup (void)
{
GList *l;
GSList *ls;
+ g_return_if_fail (inited);
+
if (!spi_global_app_data)
return;
g_free (spi_global_app_data);
spi_global_app_data = NULL;
- /* Not currently creating an XDisplay */
-#if 0
- if (bridge_display)
- XCloseDisplay (bridge_display);
-#endif
+ inited = FALSE;
}
+/*---------------------------------------------------------------------------*/
+
static gchar *name_match_tmpl =
"type='signal', interface='org.freedesktop.DBus', member='NameOwnerChanged', arg0='%s'";
if (!g_strcmp0 (l->data, bus_name))
return;
}
- if (!clients && spi_global_app_data->events_initialized)
+ if (!clients)
spi_atk_register_event_listeners ();
clients = g_slist_append (clients, g_strdup (bus_name));
match = g_strdup_printf (name_match_tmpl, bus_name);