chromium/third_party/blink/renderer/platform/loader/fetch/bytes_consumer.h

// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_LOADER_FETCH_BYTES_CONSUMER_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_LOADER_FETCH_BYTES_CONSUMER_H_

#include <ostream>

#include "base/memory/scoped_refptr.h"
#include "base/notreached.h"
#include "third_party/blink/renderer/platform/blob/blob_data.h"
#include "third_party/blink/renderer/platform/heap/garbage_collected.h"
#include "third_party/blink/renderer/platform/network/encoded_form_data.h"
#include "third_party/blink/renderer/platform/platform_export.h"
#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"

namespace blink {

// BytesConsumer represents the "consumer" side of a data pipe. A user
// can read data from it.
//
// A BytesConsumer is bound to the thread on which it is created.
// BytesConsumer has four states: waiting, readable, closed and errored. Once
// the state becomes closed or errored, it will never change. |readable| means
// that the BytesConsumer is ready to read non-empty bytes synchronously.
class PLATFORM_EXPORT BytesConsumer : public GarbageCollected<BytesConsumer> { … };

PLATFORM_EXPORT std::ostream& operator<<(
    std::ostream& out,
    const BytesConsumer::PublicState& state);
PLATFORM_EXPORT std::ostream& operator<<(std::ostream& out,
                                         const BytesConsumer::Result& result);

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_PLATFORM_LOADER_FETCH_BYTES_CONSUMER_H_