ClipboardChunk.h

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/*
 * Deskflow -- mouse and keyboard sharing utility
 * SPDX-FileCopyrightText: (C) 2015 - 2016 Synergy App Ltd
 * SPDX-License-Identifier: GPL-2.0-only WITH LicenseRef-OpenSSL-Exception
 */
 
#pragma once
 
#include "deskflow/Chunk.h"
#include "deskflow/ClipboardTypes.h"
#include "deskflow/ProtocolTypes.h"
 
#include <cstddef>
#include <string>
 
constexpr static auto s_clipboardChunkMetaSize = 7;
 
namespace deskflow {
class IStream;
}
 
struct ClipboardChunkAssemblyState
{
  size_t expectedSize = 0;
  bool active = false;
};
 
class ClipboardChunk : public Chunk
{
public:
  explicit ClipboardChunk(size_t size);
 
  static ClipboardChunk *start(ClipboardID id, uint32_t sequence, const std::string &size);
  static ClipboardChunk *data(ClipboardID id, uint32_t sequence, const std::string &data);
  static ClipboardChunk *end(ClipboardID id, uint32_t sequence);
 
  static TransferState assemble(
      deskflow::IStream *stream, std::string &dataCached, ClipboardID &id, uint32_t &sequence,
      ClipboardChunkAssemblyState &state, size_t maxDataSize
  );
 
  static void send(deskflow::IStream *stream, void *data);
 
  static size_t getExpectedSize(const ClipboardChunkAssemblyState &state)
  {
    return state.expectedSize;
  }
};