#!/usr/bin/python3

from .menu_bar import MenuBar
from .track_control import TrackControl


class GUICommunication:
    """
    Class handling events that are a bit more complex.
    """

    def __init__(self, app):
        self.app = app

        self.menu_bar = MenuBar(self.app)
        self.track_control = TrackControl(self.app)

    def on_track_change(self, previous_track=None, track=None):
        self.track_control.on_track_change(previous_track, track)
        self.app.library.on_track_change(previous_track, track)

    def on_playstate_update(self):
        self.track_control.on_playstate_update()