From b91d0e24c16476a92050a98a2a18635948ba7a39 Mon Sep 17 00:00:00 2001
From: Abel Lucas <uael@google.com>
Date: Fri, 11 Nov 2022 18:43:35 +0000
Subject: [PATCH] device: handle HCI passkey notification event

---
 bumble/device.py |  9 +++++++++
 bumble/hci.py    | 11 +++++++++++
 bumble/host.py   |  3 +++
 3 files changed, 23 insertions(+)

diff --git a/bumble/device.py b/bumble/device.py
index d73276e..1b8ab55 100644
--- a/bumble/device.py
+++ b/bumble/device.py
@@ -2159,6 +2159,15 @@ class Device(CompositeEventEmitter):
                 HCI_User_Passkey_Request_Negative_Reply_Command(bd_addr=connection.peer_address)
             )
 
+    # [Classic only]
+    @host_event_handler
+    @with_connection_from_address
+    def on_authentication_user_passkey_notification(self, connection, passkey):
+        # Ask what the pairing config should be for this connection
+        pairing_config = self.pairing_config_factory(connection)
+
+        asyncio.create_task(pairing_config.delegate.display_number(passkey))
+
     # [Classic only]
     @host_event_handler
     @try_with_connection_from_address
diff --git a/bumble/hci.py b/bumble/hci.py
index 6fdabb1..1d55d92 100644
--- a/bumble/hci.py
+++ b/bumble/hci.py
@@ -4875,6 +4875,17 @@ class HCI_Link_Supervision_Timeout_Changed_Event(HCI_Event):
     '''
 
 
+# -----------------------------------------------------------------------------
+@HCI_Event.event([
+    ('bd_addr', Address.parse_address),
+    ('passkey', 4)
+])
+class HCI_User_Passkey_Notification_Event(HCI_Event):
+    '''
+    See Bluetooth spec @ 7.7.48 User Passkey Notification Event
+    '''
+
+
 # -----------------------------------------------------------------------------
 @HCI_Event.event([
     ('bd_addr',                 Address.parse_address),
diff --git a/bumble/host.py b/bumble/host.py
index a57299b..3b869b7 100644
--- a/bumble/host.py
+++ b/bumble/host.py
@@ -638,6 +638,9 @@ class Host(EventEmitter):
     def on_hci_user_passkey_request_event(self, event):
         self.emit('authentication_user_passkey_request', event.bd_addr)
 
+    def on_hci_user_passkey_notification_event(self, event):
+        self.emit('authentication_user_passkey_notification', event.bd_addr, event.passkey)
+
     def on_hci_inquiry_complete_event(self, event):
         self.emit('inquiry_complete')