Cura/WifiOutputDevicePlugin.py
2016-02-11 15:51:40 +01:00

64 lines
3.1 KiB
Python

from UM.OutputDevice.OutputDevicePlugin import OutputDevicePlugin
from . import WifiConnection
from zeroconf import Zeroconf, ServiceBrowser, ServiceStateChange
from UM.Signal import Signal, SignalEmitter
from UM.Application import Application
class WifiOutputDevicePlugin(OutputDevicePlugin, SignalEmitter):
def __init__(self):
super().__init__()
self._zero_conf = Zeroconf()
self._browser = None
self._connections = {}
self.addConnectionSignal.connect(self.addConnection) #Because the model needs to be created in the same thread as the QMLEngine, we use a signal.
Application.getInstance().getMachineManager().activeMachineInstanceChanged.connect(self._onActiveMachineInstanceChanged)
addConnectionSignal = Signal()
## Start looking for devices on network.
def start(self):
self._browser = ServiceBrowser(Zeroconf(), u'_ultimaker._tcp.local.', [self._onServiceChanged])
## Stop looking for devices on network.
def stop(self):
self._zero_conf.close()
def _onActiveMachineInstanceChanged(self):
active_machine_key = Application.getInstance().getMachineManager().getActiveMachineInstance().getKey()
for address in self._connections:
if self._connections[address].getKey() == active_machine_key:
self._connections[address].connect()
self._connections[address].connectionStateChanged.connect(self._onPrinterConnectionStateChanged)
else:
self._connections[address].close()
print("on active machine instance changed" , active_machine_key)
## Because the model needs to be created in the same thread as the QMLEngine, we use a signal.
def addConnection(self, name, address, properties):
connection = WifiConnection.WifiConnection(name, address, properties)
self._connections[address] = connection
if connection.getKey() == Application.getInstance().getMachineManager().getActiveMachineInstance().getKey():
self._connections[address].connect()
connection.connectionStateChanged.connect(self._onPrinterConnectionStateChanged)
def _onPrinterConnectionStateChanged(self, address):
if self._connections[address].isConnected():
self.getOutputDeviceManager().addOutputDevice(self._connections[address])
else:
self.getOutputDeviceManager().removeOutputDevice(self._connections[address])
def removeConnection(self):
pass
def _onServiceChanged(self, zeroconf, service_type, name, state_change):
if state_change == ServiceStateChange.Added:
info = zeroconf.get_service_info(service_type, name)
if info:
if info.properties.get(b"type", None):
address = '.'.join(map(lambda n: str(n), info.address))
self.addConnectionSignal.emit(str(name), address, info.properties)
elif state_change == ServiceStateChange.Removed:
info = zeroconf.get_service_info(service_type, name)
address = '.'.join(map(lambda n: str(n), info.address))