text: // 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 REMOTING_HOST_SECURITY_KEY_REMOTE_SECURITY_KEY_MESSAGE_WRITER_H_
  #define REMOTING_HOST_SECURITY_KEY_REMOTE_SECURITY_KEY_MESSAGE_WRITER_H_
  
  #include <string>
  
  #include "base/macros.h"
  #include "remoting/host/security_key/security_key_message.h"
  
  namespace remoting {
  
  // Used for sending remote security key messages using a file handle.
  class RemoteSecurityKeyMessageWriter {
   public:
    virtual ~RemoteSecurityKeyMessageWriter() {}
  
    // Writes a remote security key message w/o a payload to |output_stream_|.
    virtual bool WriteMessage(RemoteSecurityKeyMessageType message_type) = 0;
  
    // Writes a remote security key message with a payload to |output_stream_|.
    virtual bool WriteMessageWithPayload(
        RemoteSecurityKeyMessageType message_type,
        const std::string& message_payload) = 0;
  };
  
  }  // namespace remoting
  
  #endif  // REMOTING_HOST_SECURITY_KEY_REMOTE_SECURITY_KEY_MESSAGE_WRITER_H_
  