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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_SPEECH_DOWNSTREAM_LOADER_H_
#define COMPONENTS_SPEECH_DOWNSTREAM_LOADER_H_
#include <memory>
#include <string_view>
#include "base/functional/callback_forward.h"
#include "base/memory/raw_ptr.h"
#include "services/network/public/cpp/resource_request.h"
#include "services/network/public/cpp/simple_url_loader.h"
#include "services/network/public/cpp/simple_url_loader_stream_consumer.h"
namespace speech {
class DownstreamLoaderClient;
// Streams response data from the server to the DownstreamLoaderClient.
class DownstreamLoader : public network::SimpleURLLoaderStreamConsumer {
public:
DownstreamLoader(std::unique_ptr<network::ResourceRequest> resource_request,
net::NetworkTrafficAnnotationTag upstream_traffic_annotation,
network::mojom::URLLoaderFactory* url_loader_factory,
DownstreamLoaderClient* downstream_loader_client);
DownstreamLoader(const DownstreamLoader&) = delete;
DownstreamLoader& operator=(const DownstreamLoader&) = delete;
~DownstreamLoader() override;
// SimpleURLLoaderStreamConsumer implementation:
void OnDataReceived(std::string_view string_piece,
base::OnceClosure resume) override;
void OnComplete(bool success) override;
void OnRetry(base::OnceClosure start_retry) override;
private:
// The DownstreamLoaderClient must outlive the DownstreamLoader.
const raw_ptr<DownstreamLoaderClient> downstream_loader_client_;
std::unique_ptr<network::SimpleURLLoader> simple_url_loader_;
};
} // namespace speech
#endif // COMPONENTS_SPEECH_DOWNSTREAM_LOADER_H_
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