blob: b57b2ca2f11fd4995fb192c7a0056aafb30062e5 [file] [log] [blame]
/*
* Copyright (C) 2018 Yusuke Suzuki <utatane.tea@gmail.com>.
* Copyright (C) 2021 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.
*
*/
#pragma once
#include "JSExecState.h"
namespace WebCore {
class JSMicrotaskCallback : public RefCounted<JSMicrotaskCallback> {
public:
static Ref<JSMicrotaskCallback> create(JSDOMGlobalObject& globalObject, Ref<JSC::Microtask>&& task)
{
return adoptRef(*new JSMicrotaskCallback(globalObject, WTFMove(task)));
}
void call()
{
auto protectedThis { Ref { *this } };
JSC::VM& vm = m_globalObject->vm();
JSC::JSLockHolder lock(vm);
auto scope = DECLARE_CATCH_SCOPE(vm);
JSExecState::runTask(m_globalObject.get(), m_task);
scope.assertNoExceptionExceptTermination();
}
private:
JSMicrotaskCallback(JSDOMGlobalObject& globalObject, Ref<JSC::Microtask>&& task)
: m_globalObject { globalObject.vm(), &globalObject }
, m_task { WTFMove(task) }
{
}
JSC::Strong<JSDOMGlobalObject> m_globalObject;
Ref<JSC::Microtask> m_task;
};
} // namespace WebCore