diff options
Diffstat (limited to 'dom/script')
| -rw-r--r-- | dom/script/ScriptLoader.cpp | 12 | ||||
| -rw-r--r-- | dom/script/ScriptLoader.h | 6 |
2 files changed, 15 insertions, 3 deletions
diff --git a/dom/script/ScriptLoader.cpp b/dom/script/ScriptLoader.cpp index 58f0c0bbe..9216be835 100644 --- a/dom/script/ScriptLoader.cpp +++ b/dom/script/ScriptLoader.cpp @@ -1050,15 +1050,17 @@ ScriptLoader::StartLoad(ScriptLoadRequest *aRequest, const nsAString &aType, NS_ENSURE_SUCCESS(rv, rv); nsIScriptElement *script = aRequest->mElement; + bool async = script ? script->GetScriptAsync() : aRequest->mPreloadAsAsync; + bool defer = script ? script->GetScriptDeferred() : aRequest->mPreloadAsDefer; + nsCOMPtr<nsIClassOfService> cos(do_QueryInterface(channel)); if (cos) { - if (aScriptFromHead && - !(script && (script->GetScriptAsync() || script->GetScriptDeferred()))) { + if (aScriptFromHead && !async && !defer) { // synchronous head scripts block lading of most other non js/css // content such as images cos->AddClassFlags(nsIClassOfService::Leader); - } else if (!(script && script->GetScriptDeferred())) { + } else if (!defer) { // other scripts are neither blocked nor prioritized unless marked deferred cos->AddClassFlags(nsIClassOfService::Unblocked); } @@ -2571,6 +2573,8 @@ ScriptLoader::PreloadURI(nsIURI *aURI, const nsAString &aCharset, const nsAString &aCrossOrigin, const nsAString& aIntegrity, bool aScriptFromHead, + bool aAsync, + bool aDefer, const mozilla::net::ReferrerPolicy aReferrerPolicy) { NS_ENSURE_TRUE_VOID(mDocument); @@ -2601,6 +2605,8 @@ ScriptLoader::PreloadURI(nsIURI *aURI, const nsAString &aCharset, Element::StringToCORSMode(aCrossOrigin), sriMetadata, aReferrerPolicy); request->mIsInline = false; + request->mPreloadAsAsync = aAsync; + request->mPreloadAsDefer = aDefer; nsresult rv = StartLoad(request, aType, aScriptFromHead); if (NS_FAILED(rv)) { diff --git a/dom/script/ScriptLoader.h b/dom/script/ScriptLoader.h index 61680a3ee..b7e20c7ee 100644 --- a/dom/script/ScriptLoader.h +++ b/dom/script/ScriptLoader.h @@ -76,6 +76,8 @@ public: mHasSourceMapURL(false), mInDeferList(false), mInAsyncList(false), + mPreloadAsAsync(false), + mPreloadAsDefer(false), mIsNonAsyncScriptInserted(false), mIsXSLT(false), mIsCanceled(false), @@ -161,6 +163,8 @@ public: bool mHasSourceMapURL; // Does the HTTP header have a source map url? bool mInDeferList; // True if we live in mDeferRequests. bool mInAsyncList; // True if we live in mLoadingAsyncRequests or mLoadedAsyncRequests. + bool mPreloadAsAsync; // True if this is a preload request and the script is async + bool mPreloadAsDefer; // True if this is a preload request and the script is defer bool mIsNonAsyncScriptInserted; // True if we live in mNonAsyncExternalScriptInsertedRequests bool mIsXSLT; // True if we live in mXSLTRequests. bool mIsCanceled; // True if we have been explicitly canceled. @@ -459,6 +463,8 @@ public: const nsAString &aCrossOrigin, const nsAString& aIntegrity, bool aScriptFromHead, + bool aAsync, + bool aDefer, const mozilla::net::ReferrerPolicy aReferrerPolicy); /** |