Added the FirmwareUpdateChecker to Cura - CURA-4224

plugins/FirmwareUpdateChecker/FirmwareUpdateChecker.py

@@ -0,0 +1,33 @@
+# Copyright (c) 2015 Ultimaker B.V.
+# Cura is released under the terms of the AGPLv3 or higher.
+
+from UM.Extension import Extension
+from UM.Preferences import Preferences
+from UM.i18n import i18nCatalog
+
+from .FirmwareUpdateCheckerJob import FirmwareUpdateCheckerJob
+
+i18n_catalog = i18nCatalog("cura")
+
+
+## This Extension checks for new versions of the firmware based on the latest checked version number.
+#  The plugin is currently only usable for applications maintained by Ultimaker. But it should be relatively easy
+#  to change it to work for other applications.
+class FirmwareUpdateChecker(Extension):
+    url = "http://software.ultimaker.com/jedi/releases/latest.version"
+
+    def __init__(self):
+        super().__init__()
+
+        Preferences.getInstance().addPreference("info/latest_checked_firmware", "")
+        self.checkFirmwareVersion(True)
+
+    ##  Connect with software.ultimaker.com, load latest.version and check version info.
+    #   If the version info is different from the current version, spawn a message to
+    #   allow the user to download it.
+    #
+    #   \param silent type(boolean) Suppresses messages other than "new version found" messages.
+    #                               This is used when checking for a new firmware version at startup.
+    def checkFirmwareVersion(self, silent = False):
+        job = FirmwareUpdateCheckerJob(silent = silent, url = self.url)
+        job.start()