// -*- Mode: C++; indent-tabs-mode: nil; c-basic-offset: 2 -*-

/* Copyright (C) 2007 The gtkmm Development Team
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library 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
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the Free
 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include <gio/gio.h>
#include <giomm/file.h>
#include <glibmm/error.h>
#include <glibmm/exceptionhandler.h>
#include "slot_async.h"

namespace Gio
{

void
FileEnumerator::next_files_async(const SlotAsyncReady& slot, const Glib::RefPtr<Cancellable>& cancellable, int num_files, int io_priority)
{
  // Create a copy of the slot.
  // A pointer to it will be passed through the callback's data parameter
  // and deleted in the callback.
  SlotAsyncReady* slot_copy = new SlotAsyncReady(slot);

  g_file_enumerator_next_files_async(gobj(),
                                     num_files,
                                     io_priority,
                                     cancellable->gobj(),
                                     &SignalProxy_async_callback,
                                     slot_copy);
}

void
FileEnumerator::next_files_async(const SlotAsyncReady& slot, int num_files, int io_priority)
{
  // Create a copy of the slot.
  // A pointer to it will be passed through the callback's data parameter
  // and deleted in the callback.
  SlotAsyncReady* slot_copy = new SlotAsyncReady(slot);

  g_file_enumerator_next_files_async(gobj(),
                                     num_files,
                                     io_priority,
                                     NULL, // cancellable
                                     &SignalProxy_async_callback,
                                     slot_copy);
}

void
FileEnumerator::close_async(int io_priority,
                            const Glib::RefPtr<Cancellable>& cancellable,
                            const SlotAsyncReady& slot)
{
// Create a copy of the slot.
  // A pointer to it will be passed through the callback's data parameter
  // and deleted in the callback.
  SlotAsyncReady* slot_copy = new SlotAsyncReady(slot);

  g_file_enumerator_close_async(gobj(),
                                io_priority,
                                cancellable->gobj(),
                                &SignalProxy_async_callback,
                                slot_copy);
}

void
FileEnumerator::close_async(int io_priority,
                            const SlotAsyncReady& slot)
{
  // Create a copy of the slot.
  // A pointer to it will be passed through the callback's data parameter
  // and deleted in the callback.
  SlotAsyncReady* slot_copy = new SlotAsyncReady(slot);

  g_file_enumerator_close_async(gobj(),
                                io_priority,
                                NULL, // cancellable
                                &SignalProxy_async_callback,
                                slot_copy);
}

#ifdef GLIBMM_EXCEPTIONS_ENABLED
Glib::RefPtr<FileInfo> FileEnumerator::next_file()
#else
Glib::RefPtr<FileInfo> FileEnumerator::next_file(std::auto_ptr<Glib::Error>& error)
#endif //GLIBMM_EXCEPTIONS_ENABLED
{
  GError* gerror = 0;
  Glib::RefPtr<FileInfo> retvalue = Glib::wrap(g_file_enumerator_next_file(gobj(), NULL, &(gerror)));
#ifdef GLIBMM_EXCEPTIONS_ENABLED
  if(gerror)
    ::Glib::Error::throw_exception(gerror);
#else
  if(gerror)
    error = ::Glib::Error::throw_exception(gerror);
#endif //GLIBMM_EXCEPTIONS_ENABLED

  return retvalue;
}

#ifdef GLIBMM_EXCEPTIONS_ENABLED
bool FileEnumerator::close()
#else
bool FileEnumerator::close(std::auto_ptr<Glib::Error>& error)
#endif //GLIBMM_EXCEPTIONS_ENABLED
{
  GError* gerror = 0;
  bool retvalue = g_file_enumerator_close(gobj(), NULL, &(gerror));
#ifdef GLIBMM_EXCEPTIONS_ENABLED
  if(gerror)
    ::Glib::Error::throw_exception(gerror);
#else
  if(gerror)
    error = ::Glib::Error::throw_exception(gerror);
#endif //GLIBMM_EXCEPTIONS_ENABLED

  return retvalue;
}

} // namespace Gio