/*
 * Deskflow -- mouse and keyboard sharing utility
 * Copyright (C) 2012-2016 Symless Ltd.
 * Copyright (C) 2002 Chris Schoeneman
 *
 * This package is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * found in the file LICENSE that should have accompanied this file.
 *
 * This package is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#pragma once

#include "deskflow/IClipboard.h"

//! Memory buffer clipboard
/*!
This class implements a clipboard that stores data in memory.
*/
class Clipboard : public IClipboard
{
public:
  Clipboard();
  virtual ~Clipboard();

  //! @name manipulators
  //@{

  //! Unmarshall clipboard data
  /*!
  Extract marshalled clipboard data and store it in this clipboard.
  Sets the clipboard time to \c time.
  */
  void unmarshall(const String &data, Time time);

  //@}
  //! @name accessors
  //@{

  //! Marshall clipboard data
  /*!
  Merge this clipboard's data into a single buffer that can be later
  unmarshalled to restore the clipboard and return the buffer.
  */
  String marshall() const;

  //@}

  // IClipboard overrides
  virtual bool empty();
  virtual void add(EFormat, const String &data);
  virtual bool open(Time) const;
  virtual void close() const;
  virtual Time getTime() const;
  virtual bool has(EFormat) const;
  virtual String get(EFormat) const;

private:
  mutable bool m_open;
  mutable Time m_time;
  bool m_owner;
  Time m_timeOwned;
  bool m_added[kNumFormats];
  String m_data[kNumFormats];
};
