From 41a3c85b595818a5f239929e2570b34878df4e59 Mon Sep 17 00:00:00 2001
From: Benjamin Tissoires <benjamin.tissoires@gmail.com>
Date: Tue, 13 Feb 2018 20:01:56 +0100
Subject: [PATCH] kete: export the connected state of the bluez device to the
 tuhiketedevice

We need this in the live mode as the connection will be longer than
the usual retrieval of the data.
---
 tools/kete.py | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/tools/kete.py b/tools/kete.py
index e1a9cd1..a769b4b 100755
--- a/tools/kete.py
+++ b/tools/kete.py
@@ -164,6 +164,17 @@ class _DBusSystemObject(_DBusObject):
 class BlueZDevice(_DBusSystemObject):
     def __init__(self, objpath):
         super().__init__('org.bluez', ORG_BLUEZ_DEVICE1, objpath)
+        self.proxy.connect('g-properties-changed', self._on_properties_changed)
+
+    @GObject.Property
+    def connected(self):
+        return self.proxy.get_cached_property('Connected').unpack()
+
+    def _on_properties_changed(self, obj, properties, invalidated_properties):
+        properties = properties.unpack()
+
+        if 'Connected' in properties:
+            self.notify('connected')
 
 
 class TuhiKeteDevice(_DBusObject):
@@ -174,6 +185,7 @@ class TuhiKeteDevice(_DBusObject):
         self.manager = manager
         self.is_registering = False
         self._bluez_device = BlueZDevice(self.property('BlueZDevice'))
+        self._bluez_device.connect('notify::connected', self._on_connected)
 
     @classmethod
     def is_device_address(cls, string):
@@ -205,6 +217,13 @@ class TuhiKeteDevice(_DBusObject):
     def battery_state(self):
         return self.property('BatteryState')
 
+    @GObject.Property
+    def connected(self):
+        return self._bluez_device.connected
+
+    def _on_connected(self, bluez_device, pspec):
+        self.notify('connected')
+
     def register(self):
         logger.debug(f'{self}: Register')
         # FIXME: Register() doesn't return anything useful yet, so we wait until