void
ServiceWorkerClient::PostMessage(JSContext* aCx, JS::Handle<JS::Value> aMessage,
const Sequence<JSObject*>& aTransferable,
ErrorResult& aRv)
{
WorkerPrivate* workerPrivate = GetCurrentThreadWorkerPrivate();
MOZ_ASSERT(workerPrivate);
workerPrivate->AssertIsOnWorkerThread();
JS::Rooted<JS::Value> transferable(aCx, JS::UndefinedValue());
aRv = nsContentUtils::CreateJSValueFromSequenceOfObject(aCx, aTransferable,
&transferable);
if (NS_WARN_IF(aRv.Failed())) {
return;
}
// At the moment we only expose Client on ServiceWorker globals.
MOZ_ASSERT(workerPrivate->IsServiceWorker());
uint32_t serviceWorkerID = workerPrivate->ServiceWorkerID();
nsCString scope = workerPrivate->ServiceWorkerScope();
RefPtr<ServiceWorkerClientPostMessageRunnable> runnable =
new ServiceWorkerClientPostMessageRunnable(serviceWorkerID, scope,
mWindowId);
runnable->Write(aCx, aMessage, transferable, JS::CloneDataPolicy().denySharedArrayBuffer(),
aRv);
if (NS_WARN_IF(aRv.Failed())) {
return;
}
aRv = workerPrivate->DispatchToMainThread(runnable.forget());
if (NS_WARN_IF(aRv.Failed())) {
return;
}
}
