PassRefPtrWillBeRawPtr<Worker> Worker::create(ExecutionContext* context, const String& url, ExceptionState& exceptionState)
{
ASSERT(isMainThread());
Document* document = toDocument(context);
UseCounter::count(context, UseCounter::WorkerStart);
if (!document->page()) {
exceptionState.throwDOMException(InvalidAccessError, "The context provided is invalid.");
return nullptr;
}
WorkerGlobalScopeProxyProvider* proxyProvider = WorkerGlobalScopeProxyProvider::from(*document->page());
ASSERT(proxyProvider);
RefPtrWillBeRawPtr<Worker> worker = adoptRefWillBeNoop(new Worker(context));
worker->suspendIfNeeded();
KURL scriptURL = worker->resolveURL(url, exceptionState);
if (scriptURL.isEmpty())
return nullptr;
worker->m_scriptLoader = WorkerScriptLoader::create();
worker->m_scriptLoader->loadAsynchronously(*context, scriptURL, DenyCrossOriginRequests, worker.get());
worker->m_contextProxy = proxyProvider->createWorkerGlobalScopeProxy(worker.get());
return worker.release();
}
PassRefPtr<Worker> Worker::create(ExecutionContext* context, const String& url, ExceptionState& exceptionState)
{
ASSERT(isMainThread());
Document* document = toDocument(context);
UseCounter::count(context, UseCounter::WorkerStart);
if (!document->page()) {
exceptionState.throwDOMException(InvalidAccessError, "The context provided is invalid.");
return 0;
}
WorkerGlobalScopeProxyProvider* proxyProvider = WorkerGlobalScopeProxyProvider::from(document->page());
ASSERT(proxyProvider);
RefPtr<Worker> worker = adoptRef(new Worker(context));
worker->suspendIfNeeded();
KURL scriptURL = worker->resolveURL(url, exceptionState);
if (scriptURL.isEmpty())
return 0;
// The worker context does not exist while loading, so we must ensure that the worker object is not collected, nor are its event listeners.
worker->setPendingActivity(worker.get());
worker->m_scriptLoader = WorkerScriptLoader::create();
worker->m_scriptLoader->loadAsynchronously(context, scriptURL, DenyCrossOriginRequests, worker.get());
worker->m_contextProxy = proxyProvider->createWorkerGlobalScopeProxy(worker.get());
return worker.release();
}
