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Show a message to the user when the connection with the printer is lost

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CURA-1851
This commit is contained in:
fieldOfView 2016-07-28 18:09:26 +02:00
parent 113129eaca
commit f052129171
1 changed files with 14 additions and 1 deletions
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15
NetworkPrinterOutputDevice.py
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@ -77,6 +77,7 @@ class NetworkPrinterOutputDevice(PrinterOutputDevice):
self._progress_message = None
self._error_message = None
self._connection_message = None
self._update_timer = QTimer()
self._update_timer.setInterval(2000) # TODO; Add preference for update interval
@ -190,12 +191,15 @@ class NetworkPrinterOutputDevice(PrinterOutputDevice):
# Go into timeout state.
Logger.log("d", "We did not receive a response for %s seconds, so it seems the printer is no longer accesible.", time() - self._last_response_time)
self._connection_state_before_timeout = self._connection_state
self._connection_message = Message(i18n_catalog.i18nc("@info:status", "The connection with the printer was lost.Check your network-connections."))
self._connection_message.show()
self.setConnectionState(ConnectionState.error)
if self._authentication_state == AuthState.NotAuthenticated:
self._verifyAuthentication() # We don't know if we are authenticated; check if we have correct auth.
elif self._authentication_state == AuthState.AuthenticationRequested:
self._checkAuthentication() # We requested authentication at some point. Check if we got permission.
## Request 'general' printer data
url = QUrl("http://" + self._address + self._api_prefix + "printer")
printer_request = QNetworkRequest(url)
@ -423,6 +427,10 @@ class NetworkPrinterOutputDevice(PrinterOutputDevice):
self._last_response_time = time()
status_code = reply.attribute(QNetworkRequest.HttpStatusCodeAttribute)
if not status_code:
# Received no or empty reply
return
if reply.operation() == QNetworkAccessManager.GetOperation:
if "printer" in reply.url().toString(): # Status update from printer.
if status_code == 200:
@ -431,6 +439,11 @@ class NetworkPrinterOutputDevice(PrinterOutputDevice):
self._json_printer_state = json.loads(bytes(reply.readAll()).decode("utf-8"))
self._spliceJSONData()
# Hide connection error message if the connection was restored
if self._connection_message:
self._connection_message.hide()
self._connection_message = None
else:
Logger.log("w", "We got an unexpected status (%s) while requesting printer state", status_code)
pass # TODO: Handle errors
@ -515,7 +528,7 @@ class NetworkPrinterOutputDevice(PrinterOutputDevice):
elif "print_job" in reply.url().toString():
reply.uploadProgress.disconnect(self._onUploadProgress)
self._progress_message.hide()
elif reply.operation() == QNetworkAccessManager.PutOperation:
if status_code == 204:
pass # Request was successful!