Bug 1673931 - Resolve Document/Element cycle. r=emilio

Differential Revision: https://phabricator.services.mozilla.com/D95045 Depends on D94869
2020-11-23 16:07:21 +00:00
parent b1c6694997
commit ec58955170
17 changed files with 961 additions and 685 deletions
--- a/dom/script/ScriptLoadRequest.cpp
+++ b/dom/script/ScriptLoadRequest.cpp
@@ -127,6 +127,19 @@ ScriptLoadRequest::~ScriptLoadRequest() {
  DropJSObjects(this);
 }

+void ScriptLoadRequest::BlockOnload(Document* aDocument) {
+  MOZ_ASSERT(!mLoadBlockedDocument);
+  aDocument->BlockOnload();
+  mLoadBlockedDocument = aDocument;
+}
+
+void ScriptLoadRequest::MaybeUnblockOnload() {
+  if (mLoadBlockedDocument) {
+    mLoadBlockedDocument->UnblockOnload(false);
+    mLoadBlockedDocument = nullptr;
+  }
+}
+
 void ScriptLoadRequest::SetReady() {
  MOZ_ASSERT(mProgress != Progress::eReady);
  mProgress = Progress::eReady;