/*

 * GStreamer

 * Copyright (C) 2009 David A. Schleef <ds@schleef.org>

 *

 * 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 <gst/gl/gl.h>

#include "gstgtk.h"

#if GST_GL_HAVE_WINDOW_WIN32 && defined(GDK_WINDOWING_WIN32)

#include <gdk/gdkwin32.h>

#endif

#if GST_GL_HAVE_WINDOW_X11 && defined(GDK_WINDOWING_X11)

#include <gdk/gdkx.h>

#endif

#if GST_GL_HAVE_WINDOW_WAYLAND && defined(GDK_WINDOWING_WAYLAND)

#include <gdk/gdkwayland.h>

#endif

#if GST_GL_HAVE_WINDOW_COCOA && defined(GDK_WINDOWING_QUARTZ)

#include <gdk/gdkquartz.h>

#endif

gboolean

gst_gtk_handle_need_context (GstBus * bus, GstMessage * msg, gpointer data)

{

  gboolean ret = FALSE;

  switch (GST_MESSAGE_TYPE (msg)) {

    case GST_MESSAGE_NEED_CONTEXT:

    {

      const gchar *context_type;

      gst_message_parse_context_type (msg, &context_type);

      g_print ("got need context %s\n", context_type);

      if (g_strcmp0 (context_type, "GstWaylandDisplayHandleContextType") == 0) {

#if GST_GL_HAVE_WINDOW_WAYLAND && defined(GDK_WINDOWING_WAYLAND)

        GstContext *context = NULL;

        GdkDisplay *gdk_display = gdk_display_get_default ();

        if (GDK_IS_WAYLAND_DISPLAY (gdk_display)) {

          struct wl_display *wayland_display =

              gdk_wayland_display_get_wl_display (gdk_display);

          if (wayland_display) {

            GstStructure *s;

            context =

                gst_context_new ("GstWaylandDisplayHandleContextType", TRUE);

            s = gst_context_writable_structure (context);

            gst_structure_set (s, "display", G_TYPE_POINTER, wayland_display,

                NULL);

            gst_element_set_context (GST_ELEMENT (msg->src), context);

            ret = TRUE;

          }

        }

#else

        GST_ERROR

            ("Asked for wayland display context, but compiled without wayland support");

#endif

      }

    }

    default:

      break;

  }

  return ret;

}

void

gst_video_overlay_set_gtk_window (GstVideoOverlay * videooverlay,

    GtkWidget * widget)

{

  GdkWindow *window;

  GdkDisplay *display;

  const gchar *user_choice = g_getenv ("GST_GL_WINDOW");

  window = gtk_widget_get_window (widget);

  display = gdk_window_get_display (window);

#if GST_GL_HAVE_WINDOW_WIN32 && defined(GDK_WINDOWING_WIN32)

  if (GDK_IS_WIN32_DISPLAY (display) && (!user_choice

          || g_strcmp0 (user_choice, "win32") == 0)) {

    gst_video_overlay_set_window_handle (videooverlay,

        (guintptr) GDK_WINDOW_HWND (window));

  } else

#endif

#if GST_GL_HAVE_WINDOW_COCOA && defined(GDK_WINDOWING_QUARTZ)

  if (GDK_IS_QUARTZ_DISPLAY (display) && (!user_choice

          || g_strcmp0 (user_choice, "cocoa") == 0)) {

    gst_video_overlay_set_window_handle (videooverlay, (guintptr)

        gdk_quartz_window_get_nsview (window));

  } else

#endif

#if GST_GL_HAVE_WINDOW_X11 && defined(GDK_WINDOWING_X11)

  if (GDK_IS_X11_DISPLAY (display) && (!user_choice

          || g_strcmp0 (user_choice, "x11") == 0)) {

    gst_video_overlay_set_window_handle (videooverlay, GDK_WINDOW_XID (window));

  } else

#endif

#if GST_GL_HAVE_WINDOW_WAYLAND && defined(GDK_WINDOWING_WAYLAND)

  if (GDK_IS_WAYLAND_DISPLAY (display) && (!user_choice

          || g_strcmp0 (user_choice, "wayland") == 0)) {

    gst_video_overlay_set_window_handle (videooverlay,

        (guintptr) gdk_wayland_window_get_wl_surface (window));

  } else

#endif

    g_error ("Unsupported Gtk+ backend");

}