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// Copyright 2020 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 COMPONENTS_SPEECH_DOWNSTREAM_LOADER_CLIENT_H_
#define COMPONENTS_SPEECH_DOWNSTREAM_LOADER_CLIENT_H_
#include "base/strings/string_piece.h"
namespace speech {
// An interface containing the callback functions required by consumers
// of the DownstreamLoader. The class that implements this client
// interface must outlive the DownstreamLoader.
class DownstreamLoaderClient {
public:
DownstreamLoaderClient(const DownstreamLoaderClient&) = delete;
DownstreamLoaderClient& operator=(const DownstreamLoaderClient&) = delete;
protected:
DownstreamLoaderClient() = default;
virtual ~DownstreamLoaderClient() = default;
private:
friend class DownstreamLoader;
// Executed when downstream data is received.
virtual void OnDownstreamDataReceived(
base::StringPiece new_response_data) = 0;
// Executed when downstream data is completed.
// success: True on 2xx responses where the entire body was successfully
// received. response_code: The HTTP response code if available, or -1 on
// network errors.
virtual void OnDownstreamDataComplete(bool success, int response_code) = 0;
};
} // namespace speech
#endif // COMPONENTS_SPEECH_DOWNSTREAM_LOADER_CLIENT_H_
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