void
Promise::Then(JSContext* aCx,
// aCalleeGlobal may not be in the compartment of aCx, when called over
// Xrays.
JS::Handle<JSObject*> aCalleeGlobal,
AnyCallback* aResolveCallback, AnyCallback* aRejectCallback,
JS::MutableHandle<JS::Value> aRetval,
ErrorResult& aRv)
{
NS_ASSERT_OWNINGTHREAD(Promise);
// Let's hope this does the right thing with Xrays... Ensure everything is
// just in the caller compartment; that ought to do the trick. In theory we
// should consider aCalleeGlobal, but in practice our only caller is
// DOMRequest::Then, which is not working with a Promise subclass, so things
// should be OK.
JS::Rooted<JSObject*> promise(aCx, PromiseObj());
if (!JS_WrapObject(aCx, &promise)) {
aRv.NoteJSContextException(aCx);
return;
}
JS::Rooted<JSObject*> resolveCallback(aCx);
if (aResolveCallback) {
resolveCallback = aResolveCallback->CallbackOrNull();
if (!JS_WrapObject(aCx, &resolveCallback)) {
aRv.NoteJSContextException(aCx);
return;
}
}
JS::Rooted<JSObject*> rejectCallback(aCx);
if (aRejectCallback) {
rejectCallback = aRejectCallback->CallbackOrNull();
if (!JS_WrapObject(aCx, &rejectCallback)) {
aRv.NoteJSContextException(aCx);
return;
}
}
JS::Rooted<JSObject*> retval(aCx);
retval = JS::CallOriginalPromiseThen(aCx, promise, resolveCallback,
rejectCallback);
if (!retval) {
aRv.NoteJSContextException(aCx);
return;
}
aRetval.setObject(*retval);
}
void DnsExchangeOp::OnStateEnter_FabricResolve()
{
DnsResolveOp::DnsResolveCallback resolveCallback(this, &DnsExchangeOp::OnDnsResolveCompleted);
_spDnsResolveOp->StartResolve(this/*parent*/, _activityId, *_spMessage, resolveCallback);
}
