tox.py 文件源码

def callback_friend_connection_status(self, callback, user_data):
        """
        Set the callback for the `friend_connection_status` event. Pass NULL to unset.

        This event is triggered when a friend goes offline after having been online, or when a friend goes online.

        This callback is not called when adding friends. It is assumed that when adding friends, their connection status
        is initially offline.

        :param callback: Python function. Should take pointer (c_void_p) to Tox object,
        The friend number (c_uint32) of the friend whose connection status changed,
        The result of calling tox_friend_get_connection_status (TOX_CONNECTION) on the passed friend_number,
        pointer (c_void_p) to user_data
        :param user_data: pointer (c_void_p) to user data
        """
        c_callback = CFUNCTYPE(None, c_void_p, c_uint32, c_int, c_void_p)
        self.friend_connection_status_cb = c_callback(callback)
        Tox.libtoxcore.tox_callback_friend_connection_status(self._tox_pointer,
                                                             self.friend_connection_status_cb, c_void_p(user_data))