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authorGaming4JC <g4jc@hyperbola.info>2020-01-19 21:22:39 -0500
committerGaming4JC <g4jc@hyperbola.info>2020-01-26 15:50:44 -0500
commita0014ac6e9e751f9f9bf68c1a345394bbcfd096f (patch)
tree6a7190495965549a03736feb6edc0b6a19e42da0 /dom/html/nsHTMLContentSink.cpp
parentdd6749f7ddd4db014fb7d76a9b698d07f2b859f5 (diff)
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Bug 1378079 - Part 3: Complete the steps related to custom elements in "create an element for a token".
With fixup for missing header due to unified builds. Tag UXP Issue #1344
Diffstat (limited to 'dom/html/nsHTMLContentSink.cpp')
-rw-r--r--dom/html/nsHTMLContentSink.cpp25
1 files changed, 19 insertions, 6 deletions
diff --git a/dom/html/nsHTMLContentSink.cpp b/dom/html/nsHTMLContentSink.cpp
index 2827f5ff6..518a3675e 100644
--- a/dom/html/nsHTMLContentSink.cpp
+++ b/dom/html/nsHTMLContentSink.cpp
@@ -255,7 +255,8 @@ DoCustomElementCreate(Element** aElement, nsIDocument* aDoc, nsIAtom* aLocalName
nsresult
NS_NewHTMLElement(Element** aResult, already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo,
- FromParser aFromParser, const nsAString* aIs)
+ FromParser aFromParser, const nsAString* aIs,
+ mozilla::dom::CustomElementDefinition* aDefinition)
{
*aResult = nullptr;
@@ -276,8 +277,8 @@ NS_NewHTMLElement(Element** aResult, already_AddRefed<mozilla::dom::NodeInfo>&&
// We only handle the "synchronous custom elements flag is set" now.
// For the unset case (e.g. cloning a node), see bug 1319342 for that.
// Step 4.
- CustomElementDefinition* definition = nullptr;
- if (CustomElementRegistry::IsCustomElementEnabled()) {
+ CustomElementDefinition* definition = aDefinition;
+ if (!definition && CustomElementRegistry::IsCustomElementEnabled()) {
definition =
nsContentUtils::LookupCustomElementDefinition(nodeInfo->GetDocument(),
nodeInfo->LocalName(),
@@ -302,9 +303,20 @@ NS_NewHTMLElement(Element** aResult, already_AddRefed<mozilla::dom::NodeInfo>&&
bool synchronousCustomElements = aFromParser != dom::FROM_PARSER_FRAGMENT ||
aFromParser == dom::NOT_FROM_PARSER;
// Per discussion in https://github.com/w3c/webcomponents/issues/635,
- // use entry global in those places that are called from JS APIs.
- nsIGlobalObject* global = GetEntryGlobal();
- MOZ_ASSERT(global);
+ // use entry global in those places that are called from JS APIs and use the
+ // node document's global object if it is called from parser.
+ nsIGlobalObject* global;
+ if (aFromParser == dom::NOT_FROM_PARSER) {
+ global = GetEntryGlobal();
+ } else {
+ global = nodeInfo->GetDocument()->GetScopeObject();
+ }
+ if (!global) {
+ // In browser chrome code, one may have access to a document which doesn't
+ // have scope object anymore.
+ return NS_ERROR_FAILURE;
+ }
+
AutoEntryScript aes(global, "create custom elements");
JSContext* cx = aes.cx();
ErrorResult rv;
@@ -344,6 +356,7 @@ NS_NewHTMLElement(Element** aResult, already_AddRefed<mozilla::dom::NodeInfo>&&
// Step 6.2.
NS_IF_ADDREF(*aResult = NS_NewHTMLElement(nodeInfo.forget(), aFromParser));
+ (*aResult)->SetCustomElementData(new CustomElementData(definition->mType));
nsContentUtils::EnqueueUpgradeReaction(*aResult, definition);
return NS_OK;
}