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/*
* Copyright (C) 2008-2009, 2011, 2016 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 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"
#include "JSWorkerGlobalScope.h"
#include "WorkerGlobalScope.h"
#include <JavaScriptCore/JSMicrotask.h>
namespace WebCore {
using namespace JSC;
void JSWorkerGlobalScope::visitAdditionalChildren(SlotVisitor& visitor)
{
if (auto* location = wrapped().optionalLocation())
visitor.addOpaqueRoot(location);
if (auto* navigator = wrapped().optionalNavigator())
visitor.addOpaqueRoot(navigator);
ScriptExecutionContext& context = wrapped();
visitor.addOpaqueRoot(&context);
// Normally JSEventTargetCustom.cpp's JSEventTarget::visitAdditionalChildren() would call this. But
// even though WorkerGlobalScope is an EventTarget, JSWorkerGlobalScope does not subclass
// JSEventTarget, so we need to do this here.
wrapped().visitJSEventListeners(visitor);
}
JSValue JSWorkerGlobalScope::queueMicrotask(ExecState& state)
{
VM& vm = state.vm();
auto scope = DECLARE_THROW_SCOPE(vm);
if (UNLIKELY(state.argumentCount() < 1))
return throwException(&state, scope, createNotEnoughArgumentsError(&state));
JSValue functionValue = state.uncheckedArgument(0);
if (UNLIKELY(!functionValue.isFunction(vm)))
return JSValue::decode(throwArgumentMustBeFunctionError(state, scope, 0, "callback", "WorkerGlobalScope", "queueMicrotask"));
scope.release();
Base::queueMicrotask(JSC::createJSMicrotask(vm, functionValue));
return jsUndefined();
}
} // namespace WebCore