From 8b77f3155288d51197dfa1082dd3e7079a9d7620 Mon Sep 17 00:00:00 2001
From: Kali Kaneko <kali@leap.se>
Date: Wed, 23 Aug 2017 01:10:03 -0400
Subject: [refactor] add state listener to signal state transition to UI

---
 src/leap/bitmask/vpn/process.py | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

(limited to 'src/leap/bitmask/vpn/process.py')

diff --git a/src/leap/bitmask/vpn/process.py b/src/leap/bitmask/vpn/process.py
index ecbc150..19115d6 100644
--- a/src/leap/bitmask/vpn/process.py
+++ b/src/leap/bitmask/vpn/process.py
@@ -33,14 +33,21 @@ from twisted.logger import Logger
 
 from leap.bitmask.vpn.utils import get_vpn_launcher
 from leap.bitmask.vpn.management import ManagementProtocol
-
 from leap.bitmask.vpn.launchers import darwin
 from leap.bitmask.vpn.constants import IS_MAC, IS_LINUX
 
+from leap.common.events import catalog, emit_async
+
 
 OPENVPN_VERBOSITY = 4
 
 
+class VPNStateListener(object):
+
+    def change_state(self, state):
+        emit_async(catalog.VPN_STATUS_CHANGED)
+
+
 class _VPNProcess(protocol.ProcessProtocol):
 
     """
@@ -99,6 +106,9 @@ class _VPNProcess(protocol.ProcessProtocol):
     @defer.inlineCallbacks
     def _got_management_protocol(self, proto):
         self.proto = proto
+        listener = VPNStateListener()
+        proto.addStateListener(listener)
+
         try:
             yield proto.logOn()
             yield proto.getVersion()
-- 
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