def __init__(self, callback: UpdaterEvents):
self.model = ConnectedDeviceModel(
self) # the device model using this instance as the view
# we pass in the proxy because the device model runs on a separate thread, but we want updates to fire on the main controller thread.
self.callback = callback
self.scan_thread = None
self.updater_state = UpdaterState()
self.updater_state.on_change += lambda source: self._updater_state_changed(
self.updater_state.state)
self.updater_state.on_change += lambda source: callback.updater_state_changed(
self.updater_state.state)
self.updater_state.notify() # trigger initial update
