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Bug 1416999 - Remove document.registerElement

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Tag #1375
This commit is contained in:
Matt A. Tobin 2020-04-17 07:07:09 -04:00 • committed by Roy Tam
commit cedff6e214
28 changed files with 82 additions and 879 deletions
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41
dom/base/Element.cpp
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@ -469,50 +469,11 @@ Element::GetBindingURL(nsIDocument *aDocument, css::URLValue **aResult)
JSObject*
Element::WrapObject(JSContext *aCx, JS::Handle<JSObject*> aGivenProto)
{
JS::Rooted<JSObject*> givenProto(aCx, aGivenProto);
JS::Rooted<JSObject*> customProto(aCx);
if (!givenProto) {
// Custom element prototype swizzling.
CustomElementData* data = GetCustomElementData();
if (data) {
// If this is a registered custom element then fix the prototype.
nsContentUtils::GetCustomPrototype(OwnerDoc(), NodeInfo()->NamespaceID(),
data->GetCustomElementType(), &customProto);
if (customProto &&
NodePrincipal()->SubsumesConsideringDomain(nsContentUtils::ObjectPrincipal(customProto))) {
// The custom element prototype could be in different compartment.
if (!JS_WrapObject(aCx, &customProto)) {
return nullptr;
}
// Just go ahead and create with the right proto up front. Set
// customProto to null to flag that we don't need to do any post-facto
// proto fixups here.
givenProto = customProto;
customProto = nullptr;
}
}
}
JS::Rooted<JSObject*> obj(aCx, nsINode::WrapObject(aCx, givenProto));
JS::Rooted<JSObject*> obj(aCx, nsINode::WrapObject(aCx, aGivenProto));
if (!obj) {
return nullptr;
}
if (customProto) {
// We want to set the custom prototype in the compartment where it was
// registered. In the case that |obj| and |prototype| are in different
// compartments, this will set the prototype on the |obj|'s wrapper and
// thus only visible in the wrapper's compartment, since we know obj's
// principal does not subsume customProto's in this case.
JSAutoCompartment ac(aCx, customProto);
JS::Rooted<JSObject*> wrappedObj(aCx, obj);
if (!JS_WrapObject(aCx, &wrappedObj) ||
!JS_SetPrototype(aCx, wrappedObj, customProto)) {
return nullptr;
}
}
nsIDocument* doc;
if (HasFlag(NODE_FORCE_XBL_BINDINGS)) {
doc = OwnerDoc();