From 40a355a42d4a9444dc753c04c6608dade2f06a23 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Fri, 19 Apr 2024 03:13:27 +0200
Subject: Adding upstream version 125.0.1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 dom/html/HTMLStyleElement.cpp | 27 +++++++++++++++++++++++++--
 1 file changed, 25 insertions(+), 2 deletions(-)

(limited to 'dom/html/HTMLStyleElement.cpp')

diff --git a/dom/html/HTMLStyleElement.cpp b/dom/html/HTMLStyleElement.cpp
index ed4c141897..e0bc228011 100644
--- a/dom/html/HTMLStyleElement.cpp
+++ b/dom/html/HTMLStyleElement.cpp
@@ -91,15 +91,29 @@ nsresult HTMLStyleElement::BindToTree(BindContext& aContext, nsINode& aParent) {
   return rv;
 }
 
-void HTMLStyleElement::UnbindFromTree(bool aNullParent) {
+void HTMLStyleElement::UnbindFromTree(UnbindContext& aContext) {
   RefPtr<Document> oldDoc = GetUncomposedDoc();
   ShadowRoot* oldShadow = GetContainingShadow();
 
-  nsGenericHTMLElement::UnbindFromTree(aNullParent);
+  nsGenericHTMLElement::UnbindFromTree(aContext);
 
   Unused << UpdateStyleSheetInternal(oldDoc, oldShadow);
 }
 
+bool HTMLStyleElement::ParseAttribute(int32_t aNamespaceID, nsAtom* aAttribute,
+                                      const nsAString& aValue,
+                                      nsIPrincipal* aMaybeScriptedPrincipal,
+                                      nsAttrValue& aResult) {
+  if (aNamespaceID == kNameSpaceID_None && aAttribute == nsGkAtoms::blocking &&
+      StaticPrefs::dom_element_blocking_enabled()) {
+    aResult.ParseAtomArray(aValue);
+    return true;
+  }
+
+  return nsGenericHTMLElement::ParseAttribute(aNamespaceID, aAttribute, aValue,
+                                              aMaybeScriptedPrincipal, aResult);
+}
+
 void HTMLStyleElement::AfterSetAttr(int32_t aNameSpaceID, nsAtom* aName,
                                     const nsAttrValue* aValue,
                                     const nsAttrValue* aOldValue,
@@ -199,4 +213,13 @@ nsDOMTokenList* HTMLStyleElement::Blocking() {
   return mBlocking;
 }
 
+bool HTMLStyleElement::IsPotentiallyRenderBlocking() {
+  return BlockingContainsRender();
+
+  // TODO: handle implicitly potentially render blocking
+  // https://html.spec.whatwg.org/#implicitly-potentially-render-blocking
+  // A style element is implicitly potentially render-blocking if the element
+  // was created by its node document's parser.
+}
+
 }  // namespace mozilla::dom
-- 
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