Added a printerOutputController to send commands to remote.

The idea is that this class can be subclassed. CL-541

cura/PrinterOutput/PrintJobOutputModel.py

@@ -2,9 +2,49 @@
 # Cura is released under the terms of the LGPLv3 or higher.
 
 from PyQt5.QtCore import pyqtSignal, pyqtProperty, QObject, QVariant
+MYPY = False
+if MYPY:
+    from cura.PrinterOutput.PrinterOutputController import PrinterOutputController
 
 
 class PrintJobOutputModel(QObject):
+    stateChanged = pyqtSignal()
+    timeTotalChanged = pyqtSignal()
+    timeElapsedChanged = pyqtSignal()
 
-    def __init__(self, parent=None):
-        super().__init__(parent)
+    def __init__(self, output_controller: "PrinterOutputController", parent=None):
+        super().__init__(parent)
+        self._output_controller = output_controller
+        self._state = ""
+        self._time_total = 0
+        self._time_elapsed = 0
+
+    @pyqtProperty(int, notify = timeTotalChanged)
+    def timeTotal(self):
+        return self._time_total
+
+    @pyqtProperty(int, notify = timeElapsedChanged)
+    def timeElapsed(self):
+        return self._time_elapsed
+
+    @pyqtProperty(str, notify=stateChanged)
+    def state(self):
+        return self._state
+
+    def updateTimeTotal(self, new_time_total):
+        if self._time_total != new_time_total:
+            self._time_total = new_time_total
+            self.timeTotalChanged.emit()
+
+    def updateTimeElapsed(self, new_time_elapsed):
+        if self._time_elapsed != new_time_elapsed:
+            self._time_elapsed = new_time_elapsed
+            self.timeElapsedChanged.emit()
+
+    def updateState(self, new_state):
+        if self._state != new_state:
+            self._state = new_state
+            self.stateChanged.emit()
+
+    def setState(self, state):
+        self._output_controller.setJobState(self, state)