/* * Copyright (C) 2017 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 "ReadableStreamSource.h" #include "JSDOMPromiseDeferred.h" #if ENABLE(STREAMS_API) namespace WebCore { ReadableStreamSource::~ReadableStreamSource() = default; void ReadableStreamSource::start(ReadableStreamDefaultController&& controller, DOMPromiseDeferred<void>&& promise) { ASSERT(!m_promise); m_promise = WTF::makeUnique<DOMPromiseDeferred<void>>(WTFMove(promise)); m_controller = WTFMove(controller); setActive(); doStart(); } void ReadableStreamSource::pull(DOMPromiseDeferred<void>&& promise) { ASSERT(!m_promise); ASSERT(m_controller); m_promise = WTF::makeUnique<DOMPromiseDeferred<void>>(WTFMove(promise)); setActive(); doPull(); } void ReadableStreamSource::startFinished() { ASSERT(m_promise); m_promise->resolve(); m_promise = nullptr; setInactive(); } void ReadableStreamSource::pullFinished() { ASSERT(m_promise); m_promise->resolve(); m_promise = nullptr; setInactive(); } void ReadableStreamSource::cancel(JSC::JSValue) { clean(); doCancel(); } void ReadableStreamSource::clean() { if (m_promise) { m_promise = nullptr; setInactive(); } } } // namespace WebCore #endif // ENABLE(STREAMS_API)