/*

 * GStreamer

 * Copyright (C) 2012 Matthew Waters <ystreet00@gmail.com>

 * Copyright (C) 2015 Collabora ltd.

 *

 * 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., 51 Franklin St, Fifth Floor,

 * Boston, MA 02110-1301, USA.

 */

#ifdef HAVE_CONFIG_H

#include "config.h"

#endif

#include <stdint.h>

#include <stdlib.h>

#include "win32_message_source.h"

typedef struct _Win32MessageSource

{

  GSource source;

  GPollFD pfd;

  GstGLWindowWin32 *window;

} Win32MessageSource;

static gboolean

win32_message_source_check (GSource * base)

{

  MSG msg;

  return PeekMessage (&msg, NULL, 0, 0, PM_NOREMOVE);

}

static gboolean

win32_message_source_dispatch (GSource * base, GSourceFunc callback,

    gpointer user_data)

{

  Win32MessageSource *source = (Win32MessageSource *) base;

  Win32MessageSourceFunc func = (Win32MessageSourceFunc) callback;

  MSG msg;

  if (!PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))

    return G_SOURCE_CONTINUE;

  if (func)

    func (source->window, &msg, user_data);

  return G_SOURCE_CONTINUE;

}

static GSourceFuncs win32_message_source_funcs = {

  NULL,

  win32_message_source_check,

  win32_message_source_dispatch,

  NULL

};

GSource *

win32_message_source_new (GstGLWindowWin32 * window_win32)

{

  Win32MessageSource *source;

  source = (Win32MessageSource *)

      g_source_new (&win32_message_source_funcs, sizeof (Win32MessageSource));

  source->window = window_win32;

  source->pfd.fd = G_WIN32_MSG_HANDLE;

  source->pfd.events = G_IO_IN;

  g_source_add_poll (&source->source, &source->pfd);

  return &source->source;

}