From ba633882bf3572b2d3ac1fc66ff38595e5114f08 Mon Sep 17 00:00:00 2001
From: Aliaksandr Kalenik <kalenik.aliaksandr@gmail.com>
Date: Tue, 9 Apr 2024 19:32:46 +0200
Subject: [PATCH] LibWeb: Change load_html_document to run parsing from
 deferred_invoke()

...callback, otherwise Networking task source will be blocked until the
end of HTML parsing.

This is a preparation before forbidding to interleave HTML tasks with
the same source.
---
 Userland/Libraries/LibWeb/DOM/DocumentLoading.cpp | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/Userland/Libraries/LibWeb/DOM/DocumentLoading.cpp b/Userland/Libraries/LibWeb/DOM/DocumentLoading.cpp
index bfa0826db72..73298cb435b 100644
--- a/Userland/Libraries/LibWeb/DOM/DocumentLoading.cpp
+++ b/Userland/Libraries/LibWeb/DOM/DocumentLoading.cpp
@@ -21,6 +21,7 @@
 #include <LibWeb/HTML/Parser/HTMLParser.h>
 #include <LibWeb/Loader/GeneratedPagesLoader.h>
 #include <LibWeb/Namespace.h>
+#include <LibWeb/Platform/EventLoopPlugin.h>
 #include <LibWeb/XML/XMLDocumentBuilder.h>
 
 namespace Web {
@@ -149,8 +150,10 @@ static WebIDL::ExceptionOr<JS::NonnullGCPtr<DOM::Document>> load_html_document(H
     else {
         // FIXME: Parse as we receive the document data, instead of waiting for the whole document to be fetched first.
         auto process_body = [document, url = navigation_params.response->url().value()](ByteBuffer data) {
-            auto parser = HTML::HTMLParser::create_with_uncertain_encoding(document, data);
-            parser->run(url);
+            Platform::EventLoopPlugin::the().deferred_invoke([document = document, data = move(data), url = url] {
+                auto parser = HTML::HTMLParser::create_with_uncertain_encoding(document, data);
+                parser->run(url);
+            });
         };
 
         auto process_body_error = [](auto) {