JSWorkerCustom.cpp 2.64 KB
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/*
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 * Copyright (C) 2008, 2009 Apple Inc. All Rights Reserved.
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 * Copyright (C) 2011 Google Inc. All Rights Reserved.
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 *
 * 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 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 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. 
 */

#include "config.h"

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#include "JSWorker.h"
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#include "Document.h"
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#include "JSDOMGlobalObject.h"
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#include "JSMessagePortCustom.h"
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#include "Worker.h"
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#include "JSDOMWindowCustom.h"
#include <runtime/Error.h>
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using namespace JSC;

namespace WebCore {
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JSC::JSValue JSWorker::postMessage(JSC::ExecState* exec)
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{
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    return handlePostMessage(exec, &impl());
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}

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EncodedJSValue JSC_HOST_CALL JSWorkerConstructor::constructJSWorker(ExecState* exec)
{
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    JSWorkerConstructor* jsConstructor = jsCast<JSWorkerConstructor*>(exec->callee());
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    if (!exec->argumentCount())
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        return throwVMError(exec, createNotEnoughArgumentsError(exec));
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    String scriptURL = exec->argument(0).toString(exec)->value(exec);
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    if (exec->hadException())
        return JSValue::encode(JSValue());

    // See section 4.8.2 step 14 of WebWorkers for why this is the lexicalGlobalObject. 
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    DOMWindow& window = asJSDOMWindow(exec->lexicalGlobalObject())->impl();
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    ExceptionCode ec = 0;
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    ASSERT(window.document());
    RefPtr<Worker> worker = Worker::create(*window.document(), scriptURL, ec);
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    if (ec) {
        setDOMException(exec, ec);
        return JSValue::encode(JSValue());
    }

    return JSValue::encode(asObject(toJS(exec, jsConstructor->globalObject(), worker.release())));
}

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} // namespace WebCore