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Re-implement ConnectionStatus by adding a pyqtSignal to HttpRequestMgr

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and using ConnectionStatus as proxy for it.

CURA-7492
This commit is contained in:
Nino van Hooff 2020-06-15 11:39:06 +02:00
parent 9bf9bf9a3f
commit 994f9fbde7
2 changed files with 14 additions and 14 deletions
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23
cura/API/ConnectionStatus.py
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@ -2,11 +2,16 @@ from typing import Optional
from PyQt5.QtCore import QObject, pyqtSignal, pyqtProperty
from UM.Logger import Logger
from UM.TaskManagement.HttpRequestManager import HttpRequestManager
class ConnectionStatus(QObject):
"""Status info for some web services"""
"""Provides an estimation of whether internet is reachable
Estimation is updated with every request through HttpRequestManager.
Acts as a proxy to HttpRequestManager.internetReachableChanged without
exposing the HttpRequestManager in its entirety.
"""
__instance = None # type: Optional[ConnectionStatus]
@ -21,16 +26,16 @@ class ConnectionStatus(QObject):
def __init__(self, parent: Optional["QObject"] = None) -> None:
super().__init__(parent)
self._is_internet_reachable = True # type: bool
manager = HttpRequestManager.getInstance()
self._is_internet_reachable = manager.isInternetReachable # type: bool
manager.internetReachableChanged.connect(self._onInternetReachableChanged)
@pyqtProperty(bool, notify = internetReachableChanged)
def isInternetReachable(self) -> bool:
return self._is_internet_reachable
def setOnlineStatus(self, new_status: bool) -> None:
old_status = self._is_internet_reachable
self._is_internet_reachable = new_status
if old_status != new_status:
Logger.debug(
"Connection status has been set to {}".format("online" if self._is_internet_reachable else "offline"))
def _onInternetReachableChanged(self, reachable: bool):
if reachable != self._is_internet_reachable:
self._is_internet_reachable = reachable
self.internetReachableChanged.emit()