M4LInterface.py

from _Framework.ControlSurfaceComponent import ControlSurfaceComponent

class M4LInterface(ControlSurfaceComponent):

	def __init__(self):
		ControlSurfaceComponent.__init__(self)
		self._name = 'OSD'
		self._update_listener = None
		self._updateML_listener = None
		self.mode = ' '
		self.clear()

	def disconnect(self):
		self._updateM4L_listener = None

	def set_mode(self, mode):
		self.clear()
		self.mode = mode

	def clear(self):
		self.info = [' ', ' ']
		self.attributes = [' ' for _ in range(8)]
		self.attribute_names = [' ' for _ in range(8)]

	def set_update_listener(self, listener):
		self._update_listener = listener

	def remove_update_listener(self, listener):
		self._update_listener = None

	def update_has_listener(self):
		return self._update_listener is not None

	@property
	def updateML(self):
		return True

	def set_updateML_listener(self, listener):
		self._updateML_listener = listener

	def add_updateML_listener(self, listener):
		self._updateML_listener = listener
		return

	def remove_updateML_listener(self, listener):
		self._updateML_listener = None
		return

	def updateML_has_listener(self, listener):
		return self._updateML_listener is not None

	def update(self, args=None):
		if self.updateML_has_listener(None):
			self._updateML_listener()