103 lines
2.8 KiB
C++
103 lines
2.8 KiB
C++
/*
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* Copyright (C) 2017 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "ReadableStreamSource.h"
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namespace WebCore {
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ReadableStreamSource::~ReadableStreamSource() = default;
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void ReadableStreamSource::start(ReadableStreamDefaultController&& controller, DOMPromiseDeferred<void>&& promise)
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{
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ASSERT(!m_promise);
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m_promise = WTF::makeUnique<DOMPromiseDeferred<void>>(WTFMove(promise));
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m_controller = WTFMove(controller);
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setActive();
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doStart();
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}
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void ReadableStreamSource::pull(DOMPromiseDeferred<void>&& promise)
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{
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ASSERT(!m_promise);
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ASSERT(m_controller);
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m_promise = WTF::makeUnique<DOMPromiseDeferred<void>>(WTFMove(promise));
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setActive();
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doPull();
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}
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void ReadableStreamSource::startFinished()
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{
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ASSERT(m_promise);
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m_promise->resolve();
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m_promise = nullptr;
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setInactive();
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}
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void ReadableStreamSource::pullFinished()
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{
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ASSERT(m_promise);
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m_promise->resolve();
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m_promise = nullptr;
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setInactive();
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}
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void ReadableStreamSource::cancel(JSC::JSValue)
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{
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clean();
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doCancel();
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}
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void ReadableStreamSource::clean()
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{
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if (m_promise) {
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m_promise = nullptr;
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setInactive();
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}
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}
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void SimpleReadableStreamSource::doCancel()
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{
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m_isCancelled = true;
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}
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void SimpleReadableStreamSource::close()
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{
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if (!m_isCancelled)
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controller().close();
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}
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void SimpleReadableStreamSource::enqueue(JSC::JSValue value)
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{
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if (!m_isCancelled)
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controller().enqueue(value);
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}
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} // namespace WebCore
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