gboolean
login1_service_connect (Login1Service *service)
{
GVariant *result;
GVariantIter *seat_iter;
const gchar *id, *path;
GError *error = NULL;
g_return_val_if_fail (service != NULL, FALSE);
if (service->priv->connected)
return TRUE;
service->priv->connection = g_bus_get_sync (G_BUS_TYPE_SYSTEM, NULL, &error);
if (error)
g_warning ("Failed to get system bus: %s", error->message);
g_clear_error (&error);
if (!service->priv->connection)
return FALSE;
service->priv->signal_id = g_dbus_connection_signal_subscribe (service->priv->connection,
LOGIN1_SERVICE_NAME,
LOGIN1_MANAGER_INTERFACE_NAME,
NULL,
LOGIN1_OBJECT_NAME,
NULL,
G_DBUS_SIGNAL_FLAGS_NONE,
signal_cb,
g_object_ref (service),
g_object_unref);
result = g_dbus_connection_call_sync (service->priv->connection,
LOGIN1_SERVICE_NAME,
LOGIN1_OBJECT_NAME,
LOGIN1_MANAGER_INTERFACE_NAME,
"ListSeats",
g_variant_new ("()"),
G_VARIANT_TYPE ("(a(so))"),
G_DBUS_CALL_FLAGS_NONE,
-1,
NULL,
&error);
if (error)
g_warning ("Failed to get list of logind seats: %s", error->message);
g_clear_error (&error);
if (!result)
return FALSE;
g_variant_get (result, "(a(so))", &seat_iter);
while (g_variant_iter_loop (seat_iter, "(&s&o)", &id, &path))
add_seat (service, id, path);
g_variant_iter_free (seat_iter);
g_variant_unref (result);
service->priv->connected = TRUE;
return TRUE;
}
static void
handle_global(void *data, struct wl_registry *registry,
uint32_t name, const char *interface, uint32_t version)
{
struct touch *touch = data;
if (strcmp(interface, "wl_compositor") == 0) {
touch->compositor =
wl_registry_bind(registry, name,
&wl_compositor_interface, 1);
} else if (strcmp(interface, "wl_shell") == 0) {
touch->shell =
wl_registry_bind(registry, name,
&wl_shell_interface, 1);
} else if (strcmp(interface, "wl_shm") == 0) {
touch->shm = wl_registry_bind(registry, name,
&wl_shm_interface, 1);
wl_shm_add_listener(touch->shm, &shm_listener, touch);
} else if (strcmp(interface, "wl_seat") == 0) {
add_seat(touch, name, version);
}
}
static void
signal_cb (GDBusConnection *connection,
const gchar *sender_name,
const gchar *object_path,
const gchar *interface_name,
const gchar *signal_name,
GVariant *parameters,
gpointer user_data)
{
Login1Service *service = user_data;
if (strcmp (signal_name, "SeatNew") == 0)
{
const gchar *id, *path;
Login1Seat *seat;
g_variant_get (parameters, "(&s&o)", &id, &path);
seat = login1_service_get_seat (service, id);
if (!seat)
{
seat = add_seat (service, id, path);
g_signal_emit (service, service_signals[SEAT_ADDED], 0, seat);
}
}
else if (strcmp (signal_name, "SeatRemoved") == 0)
{
const gchar *id, *path;
Login1Seat *seat;
g_variant_get (parameters, "(&s&o)", &id, &path);
seat = login1_service_get_seat (service, id);
if (seat)
{
service->priv->seats = g_list_remove (service->priv->seats, seat);
g_signal_emit (service, service_signals[SEAT_REMOVED], 0, seat);
g_object_unref (seat);
}
}
}
