From 874e094ed8075368db84d7bb85611adcd9d18e6f Mon Sep 17 00:00:00 2001
From: Timothy Flynn <trflynn89@pm.me>
Date: Thu, 22 May 2025 12:15:04 -0400
Subject: [PATCH] LibWeb: Allow moving document load event delayers

This allows us to store lists of delayers.
---
 .../LibWeb/DOM/DocumentLoadEventDelayer.cpp     | 17 ++++++++++++++++-
 Libraries/LibWeb/DOM/DocumentLoadEventDelayer.h |  5 ++++-
 2 files changed, 20 insertions(+), 2 deletions(-)

diff --git a/Libraries/LibWeb/DOM/DocumentLoadEventDelayer.cpp b/Libraries/LibWeb/DOM/DocumentLoadEventDelayer.cpp
index 754a10031f8..bcfc277850f 100644
--- a/Libraries/LibWeb/DOM/DocumentLoadEventDelayer.cpp
+++ b/Libraries/LibWeb/DOM/DocumentLoadEventDelayer.cpp
@@ -15,9 +15,24 @@ DocumentLoadEventDelayer::DocumentLoadEventDelayer(Document& document)
     m_document->increment_number_of_things_delaying_the_load_event({});
 }
 
+DocumentLoadEventDelayer::DocumentLoadEventDelayer(DocumentLoadEventDelayer&& delayer)
+    : m_document(move(delayer.m_document))
+{
+    delayer.m_document = nullptr;
+}
+
+DocumentLoadEventDelayer& DocumentLoadEventDelayer::operator=(DocumentLoadEventDelayer&& delayer)
+{
+    m_document = move(delayer.m_document);
+    delayer.m_document = nullptr;
+
+    return *this;
+}
+
 DocumentLoadEventDelayer::~DocumentLoadEventDelayer()
 {
-    m_document->decrement_number_of_things_delaying_the_load_event({});
+    if (m_document)
+        m_document->decrement_number_of_things_delaying_the_load_event({});
 }
 
 }
diff --git a/Libraries/LibWeb/DOM/DocumentLoadEventDelayer.h b/Libraries/LibWeb/DOM/DocumentLoadEventDelayer.h
index 33c2bfe8221..be228483755 100644
--- a/Libraries/LibWeb/DOM/DocumentLoadEventDelayer.h
+++ b/Libraries/LibWeb/DOM/DocumentLoadEventDelayer.h
@@ -13,11 +13,14 @@
 namespace Web::DOM {
 
 class DocumentLoadEventDelayer {
-    AK_MAKE_NONMOVABLE(DocumentLoadEventDelayer);
     AK_MAKE_NONCOPYABLE(DocumentLoadEventDelayer);
 
 public:
     explicit DocumentLoadEventDelayer(Document&);
+
+    DocumentLoadEventDelayer(DocumentLoadEventDelayer&&);
+    DocumentLoadEventDelayer& operator=(DocumentLoadEventDelayer&&);
+
     ~DocumentLoadEventDelayer();
 
 private: