From 429a7bdb93e443236f4a4b04afc9a12c78f54247 Mon Sep 17 00:00:00 2001
From: Moonchild <moonchild@palemoon.org>
Date: Mon, 24 Aug 2020 10:15:00 +0000
Subject: Issue #618 - (async) Split out function to add async request.

---
 dom/script/ScriptLoader.cpp | 53 +++++++++++++++++++++++++--------------------
 dom/script/ScriptLoader.h   |  1 +
 2 files changed, 31 insertions(+), 23 deletions(-)

diff --git a/dom/script/ScriptLoader.cpp b/dom/script/ScriptLoader.cpp
index 69777c247..58f0c0bbe 100644
--- a/dom/script/ScriptLoader.cpp
+++ b/dom/script/ScriptLoader.cpp
@@ -1358,17 +1358,14 @@ ScriptLoader::ProcessScriptElement(nsIScriptElement *aElement)
     request->mJSVersion = version;
 
     if (aElement->GetScriptAsync()) {
-      request->mInAsyncList = true;
+      AddAsyncRequest(request);
       if (request->IsReadyToRun()) {
-        mLoadedAsyncRequests.AppendElement(request);
         // The script is available already. Run it ASAP when the event
         // loop gets a chance to spin.
 
         // KVKV TODO: Instead of processing immediately, try off-thread-parsing
         // it and only schedule a pending ProcessRequest if that fails.
         ProcessPendingRequestsAsync();
-      } else {
-        mLoadingAsyncRequests.AppendElement(request);
       }
       return false;
     }
@@ -1469,8 +1466,7 @@ ScriptLoader::ProcessScriptElement(nsIScriptElement *aElement)
     modReq->mBaseURL = mDocument->GetDocBaseURI();
 
     if (aElement->GetScriptAsync()) {
-      modReq->mInAsyncList = true;
-      mLoadingAsyncRequests.AppendElement(modReq);
+      AddAsyncRequest(modReq);
     } else {
       AddDeferRequest(modReq);
     }
@@ -2418,23 +2414,6 @@ ScriptLoader::NumberOfProcessors()
   return mNumberOfProcessors;
 }
 
-void
-ScriptLoader::MaybeMoveToLoadedList(ScriptLoadRequest* aRequest)
-{
-  MOZ_ASSERT(aRequest->IsReadyToRun());
-
-  // If it's async, move it to the loaded list.  aRequest->mInAsyncList really
-  // _should_ be in a list, but the consequences if it's not are bad enough we
-  // want to avoid trying to move it if it's not.
-  if (aRequest->mInAsyncList) {
-    MOZ_ASSERT(aRequest->isInList());
-    if (aRequest->isInList()) {
-      RefPtr<ScriptLoadRequest> req = mLoadingAsyncRequests.Steal(aRequest);
-      mLoadedAsyncRequests.AppendElement(req);
-    }
-  }
-}
-
 nsresult
 ScriptLoader::PrepareLoadedRequest(ScriptLoadRequest* aRequest,
                                    nsIIncrementalStreamLoader* aLoader,
@@ -2646,6 +2625,34 @@ ScriptLoader::AddDeferRequest(ScriptLoadRequest* aRequest)
   }
 }
 
+void
+ScriptLoader::AddAsyncRequest(ScriptLoadRequest* aRequest)
+{
+  aRequest->mInAsyncList = true;
+  if (aRequest->IsReadyToRun()) {
+    mLoadedAsyncRequests.AppendElement(aRequest);
+  } else {
+    mLoadingAsyncRequests.AppendElement(aRequest);
+  }
+}
+
+void
+ScriptLoader::MaybeMoveToLoadedList(ScriptLoadRequest* aRequest)
+{
+  MOZ_ASSERT(aRequest->IsReadyToRun());
+
+  // If it's async, move it to the loaded list.  aRequest->mInAsyncList really
+  // _should_ be in a list, but the consequences if it's not are bad enough we
+  // want to avoid trying to move it if it's not.
+  if (aRequest->mInAsyncList) {
+    MOZ_ASSERT(aRequest->isInList());
+    if (aRequest->isInList()) {
+      RefPtr<ScriptLoadRequest> req = mLoadingAsyncRequests.Steal(aRequest);
+      mLoadedAsyncRequests.AppendElement(req);
+    }
+  }
+}
+
 bool
 ScriptLoader::MaybeRemovedDeferRequests()
 {
diff --git a/dom/script/ScriptLoader.h b/dom/script/ScriptLoader.h
index 82a8512c0..61680a3ee 100644
--- a/dom/script/ScriptLoader.h
+++ b/dom/script/ScriptLoader.h
@@ -571,6 +571,7 @@ private:
                                 mozilla::Vector<char16_t> &aString);
 
   void AddDeferRequest(ScriptLoadRequest* aRequest);
+  void AddAsyncRequest(ScriptLoadRequest* aRequest);
   bool MaybeRemovedDeferRequests();
 
   void MaybeMoveToLoadedList(ScriptLoadRequest* aRequest);
-- 
cgit v1.2.3