/* * Copyright (C) 2016 Canon Inc. * Copyright (C) 2017 Apple Inc. * * Redistribution and use in source and binary forms, with or without * modification, are permitted, provided that the following conditions * are required to be 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 CANON 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 CANON INC. AND 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. */ #pragma once #if ENABLE(STREAMS_API) #include "ReadableStreamSource.h" namespace JSC { class ArrayBuffer; }; namespace WebCore { class FetchBodyOwner; class FetchBodySource final : public ReadableStreamSource { public: FetchBodySource(FetchBodyOwner&); bool enqueue(RefPtr<JSC::ArrayBuffer>&& chunk) { return controller().enqueue(WTFMove(chunk)); } void close(); void error(const String&); bool isCancelling() const { return m_isCancelling; } void resolvePullPromise() { pullFinished(); } void detach() { m_bodyOwner = nullptr; } private: void doStart() final; void doPull() final; void doCancel() final; void setActive() final; void setInactive() final; FetchBodyOwner* m_bodyOwner; bool m_isCancelling { false }; #ifndef NDEBUG bool m_isClosed { false }; #endif }; } // namespace WebCore #endif // ENABLE(STREAMS_API)