/* * Copyright (C) 2019 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. AND ITS CONTRIBUTORS ``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 ITS 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 "WorkerEventLoop.h" #include "Microtasks.h" #include "WorkerGlobalScope.h" #include "WorkletGlobalScope.h" namespace WebCore { Ref<WorkerEventLoop> WorkerEventLoop::create(WorkerGlobalScope& context) { return adoptRef(*new WorkerEventLoop(context)); } #if ENABLE(CSS_PAINTING_API) Ref<WorkerEventLoop> WorkerEventLoop::create(WorkletGlobalScope& context) { return adoptRef(*new WorkerEventLoop(context)); } #endif WorkerEventLoop::WorkerEventLoop(ScriptExecutionContext& context) : ContextDestructionObserver(&context) { } WorkerEventLoop::~WorkerEventLoop() { } void WorkerEventLoop::scheduleToRun() { ASSERT(scriptExecutionContext()); scriptExecutionContext()->postTask([eventLoop = makeRef(*this)] (ScriptExecutionContext&) { eventLoop->run(); }); } bool WorkerEventLoop::isContextThread() const { return scriptExecutionContext()->isContextThread(); } MicrotaskQueue& WorkerEventLoop::microtaskQueue() { ASSERT(scriptExecutionContext()); if (!m_microtaskQueue) m_microtaskQueue = makeUnique<MicrotaskQueue>(scriptExecutionContext()->vm()); return *m_microtaskQueue; } void WorkerEventLoop::clearMicrotaskQueue() { m_microtaskQueue = nullptr; } } // namespace WebCore