/* * Copyright (C) 2020 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 "WorkletPendingTasks.h" #include "Worklet.h" namespace WebCore { WorkletPendingTasks::WorkletPendingTasks(Worklet& worklet, DOMPromiseDeferred<void>&& promise, int counter) : m_worklet(makeWeakPtr(worklet)) , m_promise(WTFMove(promise)) , m_counter(counter) { ASSERT(isMainThread()); } void WorkletPendingTasks::abort(Exception&& exception) { ASSERT(isMainThread()); if (m_counter == -1) return; m_counter = -1; m_promise.reject(WTFMove(exception)); if (m_worklet) m_worklet->finishPendingTasks(*this); } void WorkletPendingTasks::decrementCounter() { ASSERT(isMainThread()); if (m_counter == -1) return; --m_counter; if (!m_counter) { m_promise.resolve(); if (m_worklet) m_worklet->finishPendingTasks(*this); } } } // namespace WebCore