| /* |
| * Copyright (C) 2008, 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: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. 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. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``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 APPLE COMPUTER, INC. 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. |
| * |
| */ |
| |
| #ifndef Worker_h |
| #define Worker_h |
| |
| #include "core/dom/ActiveDOMObject.h" |
| #include "core/dom/MessagePort.h" |
| #include "core/events/EventListener.h" |
| #include "core/events/EventTarget.h" |
| #include "core/workers/AbstractWorker.h" |
| #include "core/workers/WorkerScriptLoaderClient.h" |
| #include "platform/heap/Handle.h" |
| #include "wtf/Forward.h" |
| #include "wtf/PassRefPtr.h" |
| #include "wtf/RefPtr.h" |
| #include "wtf/text/AtomicStringHash.h" |
| |
| namespace blink { |
| |
| class ExceptionState; |
| class ExecutionContext; |
| class WorkerGlobalScopeProxy; |
| class WorkerScriptLoader; |
| |
| class Worker FINAL : public AbstractWorker, private WorkerScriptLoaderClient { |
| public: |
| static PassRefPtrWillBeRawPtr<Worker> create(ExecutionContext*, const String& url, ExceptionState&); |
| virtual ~Worker(); |
| |
| virtual const AtomicString& interfaceName() const OVERRIDE; |
| |
| void postMessage(ExecutionContext*, PassRefPtr<SerializedScriptValue> message, const MessagePortArray*, ExceptionState&); |
| |
| void terminate(); |
| |
| virtual void stop() OVERRIDE; |
| virtual bool hasPendingActivity() const OVERRIDE; |
| |
| DEFINE_ATTRIBUTE_EVENT_LISTENER(message); |
| |
| virtual void trace(Visitor*) OVERRIDE; |
| |
| private: |
| explicit Worker(ExecutionContext*); |
| |
| // WorkerScriptLoaderClient callbacks |
| virtual void didReceiveResponse(unsigned long identifier, const ResourceResponse&) OVERRIDE; |
| virtual void notifyFinished() OVERRIDE; |
| |
| RefPtr<WorkerScriptLoader> m_scriptLoader; |
| WorkerGlobalScopeProxy* m_contextProxy; // The proxy outlives the worker to perform thread shutdown. |
| }; |
| |
| } // namespace blink |
| |
| #endif // Worker_h |