/* * Copyright (C) 2018 Yusuke Suzuki <utatane.tea@gmail.com>. * * 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 { makeRef(*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.assertNoException(); } 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