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// Copyright 2016 The Chromium Authors. All rights reserved.
// 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_CORE_FETCH_BYTES_CONSUMER_FOR_DATA_CONSUMER_HANDLE_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_FETCH_BYTES_CONSUMER_FOR_DATA_CONSUMER_HANDLE_H_
#include <memory>
#include "base/memory/scoped_refptr.h"
#include "third_party/blink/public/platform/web_data_consumer_handle.h"
#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/core/fetch/bytes_consumer.h"
#include "third_party/blink/renderer/platform/heap/handle.h"
#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"
namespace blink {
class ExecutionContext;
class CORE_EXPORT BytesConsumerForDataConsumerHandle final
: public BytesConsumer,
public WebDataConsumerHandle::Client {
EAGERLY_FINALIZE();
DECLARE_EAGER_FINALIZATION_OPERATOR_NEW();
public:
BytesConsumerForDataConsumerHandle(ExecutionContext*,
std::unique_ptr<WebDataConsumerHandle>);
~BytesConsumerForDataConsumerHandle() override;
Result BeginRead(const char** buffer, size_t* available) override;
Result EndRead(size_t read_size) override;
void SetClient(BytesConsumer::Client*) override;
void ClearClient() override;
void Cancel() override;
PublicState GetPublicState() const override;
Error GetError() const override {
DCHECK(state_ == InternalState::kErrored);
return error_;
}
String DebugName() const override {
return "BytesConsumerForDataConsumerHandle";
}
// WebDataConsumerHandle::Client
void DidGetReadable() override;
void Trace(blink::Visitor*) override;
private:
void Close();
void SetError();
void Notify();
Member<ExecutionContext> execution_context_;
std::unique_ptr<WebDataConsumerHandle::Reader> reader_;
Member<BytesConsumer::Client> client_;
InternalState state_ = InternalState::kWaiting;
Error error_;
bool is_in_two_phase_read_ = false;
bool has_pending_notification_ = false;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_FETCH_BYTES_CONSUMER_FOR_DATA_CONSUMER_HANDLE_H_