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Issue #2197 - Part 1b: Transferables should be arrays of objects

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Based on https://bugzilla.mozilla.org/show_bug.cgi?id=1336020
This commit is contained in:
FranklinDM 2023-04-07 12:04:38 +08:00 • committed by roytam1
commit 47147d58b0
24 changed files with 118 additions and 129 deletions
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30
dom/base/nsContentUtils.cpp
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@ -9993,3 +9993,33 @@ nsContentUtils::GetClosestNonNativeAnonymousAncestor(Element* aElement)
}
return e;
}
/* static */ nsresult
nsContentUtils::CreateJSValueFromSequenceOfObject(JSContext* aCx,
const Sequence<JSObject*>& aTransfer,
JS::MutableHandle<JS::Value> aValue)
{
if (aTransfer.IsEmpty()) {
return NS_OK;
}
JS::Rooted<JSObject*> array(aCx, JS_NewArrayObject(aCx, aTransfer.Length()));
if (!array) {
return NS_ERROR_OUT_OF_MEMORY;
}
for (uint32_t i = 0; i < aTransfer.Length(); ++i) {
JS::Rooted<JSObject*> object(aCx, aTransfer[i]);
if (!object) {
continue;
}
if (NS_WARN_IF(!JS_DefineElement(aCx, array, i, object,
JSPROP_ENUMERATE))) {
return NS_ERROR_OUT_OF_MEMORY;
}
}
aValue.setObject(*array);
return NS_OK;
}