DBusHandlerResult FcitxNotificationItemDBusFilter(DBusConnection* connection, DBusMessage* msg, void* user_data)
{
FcitxNotificationItem* notificationitem = (FcitxNotificationItem*) user_data;
if (dbus_message_is_signal(msg, DBUS_INTERFACE_DBUS, "NameOwnerChanged")) {
const char* service, *oldowner, *newowner;
DBusError error;
dbus_error_init(&error);
do {
if (!dbus_message_get_args(msg, &error,
DBUS_TYPE_STRING, &service ,
DBUS_TYPE_STRING, &oldowner ,
DBUS_TYPE_STRING, &newowner ,
DBUS_TYPE_INVALID)) {
break;
}
/* old die and no new one */
if (strcmp(service, NOTIFICATION_WATCHER_DBUS_ADDR) != 0) {
break;
}
FcitxNotificationItemSetAvailable (notificationitem, strlen(newowner) > 0);
return DBUS_HANDLER_RESULT_HANDLED;
} while(0);
dbus_error_free(&error);
}
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}
void FcitxNotificationItemOwnerChanged(void* user_data, void* arg, const char* serviceName, const char* oldName, const char* newName)
{
FcitxNotificationItem* notificationitem = (FcitxNotificationItem*) user_data;
/* old die and no new one */
if (strcmp(serviceName, NOTIFICATION_WATCHER_DBUS_ADDR) != 0) {
return;
}
FcitxNotificationItemSetAvailable (notificationitem, strlen(newName) > 0);
}
void NotificationWatcherServiceExistCallback(DBusPendingCall *call, void *data)
{
FcitxNotificationItem *notificationitem = (FcitxNotificationItem*)data;
DBusMessage *msg = dbus_pending_call_steal_reply(call);
if (msg) {
dbus_bool_t has = FALSE;
DBusError error;
dbus_error_init(&error);
dbus_message_get_args(msg, &error, DBUS_TYPE_BOOLEAN, &has,
DBUS_TYPE_INVALID);
dbus_message_unref(msg);
dbus_error_free(&error);
FcitxNotificationItemSetAvailable(notificationitem, has);
}
}
