/*
 * 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/>.
 */

#include "platform/XWindowsClipboardTextConverter.h"

#include "base/Unicode.h"

//
// XWindowsClipboardTextConverter
//

XWindowsClipboardTextConverter::XWindowsClipboardTextConverter(Display *display, const char *name)
    : m_atom(XInternAtom(display, name, False))
{
  // do nothing
}

XWindowsClipboardTextConverter::~XWindowsClipboardTextConverter()
{
  // do nothing
}

IClipboard::EFormat XWindowsClipboardTextConverter::getFormat() const
{
  return IClipboard::kText;
}

Atom XWindowsClipboardTextConverter::getAtom() const
{
  return m_atom;
}

int XWindowsClipboardTextConverter::getDataSize() const
{
  return 8;
}

String XWindowsClipboardTextConverter::fromIClipboard(const String &data) const
{
  return Unicode::UTF8ToText(data);
}

String XWindowsClipboardTextConverter::toIClipboard(const String &data) const
{
  // convert to UTF-8
  bool errors;
  String utf8 = Unicode::textToUTF8(data, &errors);

  // if there were decoding errors then, to support old applications
  // that don't understand UTF-8 but can report the exact binary
  // UTF-8 representation, see if the data appears to be UTF-8.  if
  // so then use it as is.
  if (errors && Unicode::isUTF8(data)) {
    return data;
  }

  return utf8;
}
