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// Copyright 2018 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 HEADLESS_PUBLIC_HEADLESS_DEVTOOLS_CHANNEL_H_
#define HEADLESS_PUBLIC_HEADLESS_DEVTOOLS_CHANNEL_H_
#include <string>
#include "base/containers/span.h"
#include "base/macros.h"
#include "headless/public/headless_export.h"
namespace headless {
// An interface for sending messages to DevTools.
class HEADLESS_EXPORT HeadlessDevToolsChannel {
public:
// An interface for receiving messages from DevTools.
class Client {
public:
virtual ~Client() {}
// Receives an incoming protocol message from DevTools.
virtual void ReceiveProtocolMessage(base::span<const uint8_t> message) = 0;
// Notifies about channel being closed from the DevTools side.
virtual void ChannelClosed() = 0;
};
virtual ~HeadlessDevToolsChannel() {}
// Sets a peer client which receives the messages from DevTools.
// |client| must outline this channel. Can be switched on and off
// multiple times.
virtual void SetClient(Client* client) = 0;
// Sends an outgoing protocol message to DevTools.
virtual void SendProtocolMessage(base::span<const uint8_t> message) = 0;
};
} // namespace headless
#endif // HEADLESS_PUBLIC_HEADLESS_DEVTOOLS_CHANNEL_H_
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