class MainController:
    """
        Controller - MainController

    desc...

    @author     Jérémi Nihart / EndMove
    @link       https://git.endmove.eu/EndMove/WebPicDownloader
    @version    1.0.0
    @since      2022-08-30
    """
    # Variables
    __view = None

    # Constructor
    def __init__(self) -> None:
        pass

    # START View methods
    def set_view(self, view) -> None:
        """
            [function for view]
        => Allow to define the controller view.

        :view: -> The view that this controller manage.
        """
        self.__view = view

    def on_check_for_update(self) -> None:
        """
            [event function for view]
        => Event launched when a check for available updates is requested.
        """
        # TODO write the function
        print("on_check_for_update")
        pass
    # END View methods

    # START Controller methods
    def change_frame(self, frame) -> None:
        """
            [function for controller]
        => Allows you to request a frame change in the main window.

        :frame: -> The frame we want to display on the window instead of the current frame.
        """
        self.__view.show_frame(frame)
    # END Controller methods