/* * Copyright (C) 2009 Google Inc. All rights reserved. * Copyright (C) 2010 Apple Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following disclaimer * in the documentation and/or other materials provided with the * distribution. * * Neither the name of Google Inc. nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "config.h" #if ENABLE(SHARED_WORKERS) #include "SharedWorker.h" #include "ExceptionCode.h" #include "FeatureObserver.h" #include "InspectorInstrumentation.h" #include "KURL.h" #include "MessageChannel.h" #include "MessagePort.h" #include "ScriptExecutionContext.h" #include "SecurityOrigin.h" #include "SharedWorkerRepository.h" namespace WebCore { inline SharedWorker::SharedWorker(ScriptExecutionContext* context) : AbstractWorker(context) { } PassRefPtr<SharedWorker> SharedWorker::create(ScriptExecutionContext* context, const String& url, const String& name, ExceptionCode& ec) { ASSERT(isMainThread()); FeatureObserver::observe(static_cast<Document*>(context)->domWindow(), FeatureObserver::SharedWorkerStart); RefPtr<SharedWorker> worker = adoptRef(new SharedWorker(context)); RefPtr<MessageChannel> channel = MessageChannel::create(context); worker->m_port = channel->port1(); OwnPtr<MessagePortChannel> remotePort = channel->port2()->disentangle(); ASSERT(remotePort); worker->suspendIfNeeded(); KURL scriptURL = worker->resolveURL(url, ec); if (scriptURL.isEmpty()) return 0; // We don't currently support nested workers, so workers can only be created from documents. ASSERT_WITH_SECURITY_IMPLICATION(context->isDocument()); Document* document = static_cast<Document*>(context); if (!document->securityOrigin()->canAccessSharedWorkers(document->topOrigin())) { ec = SECURITY_ERR; return 0; } SharedWorkerRepository::connect(worker.get(), remotePort.release(), scriptURL, name, ec); return worker.release(); } SharedWorker::~SharedWorker() { } const AtomicString& SharedWorker::interfaceName() const { return eventNames().interfaceForSharedWorker; } } // namespace WebCore #endif // ENABLE(SHARED_WORKERS)