From 21e842c92768097a07552aa259b757d75882b42c Mon Sep 17 00:00:00 2001
From: Damien Elmes <gpg@ankiweb.net>
Date: Mon, 29 Apr 2019 16:41:47 +1000
Subject: [PATCH] fix stuck webview issue

A race condition could cause domDone to get stuck on false, causing
any further bridge messages and setHtml() calls to be ignored. Fix
the issue by clearing pending actions and resetting domDone when
setting HTML.
---
 aqt/webview.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/aqt/webview.py b/aqt/webview.py
index 20498b15b..9c1f42026 100644
--- a/aqt/webview.py
+++ b/aqt/webview.py
@@ -170,6 +170,9 @@ class AnkiWebView(QWebEngineView):
         pass
 
     def setHtml(self, html):
+        # discard any previous pending actions
+        self._pendingActions = []
+        self._domDone = True
         self._queueAction("setHtml", html)
 
     def _setHtml(self, html):