static void
load_async_thread (GSimpleAsyncResult *res,
		   GObject            *object,
		   GCancellable       *cancellable)
{
  GLoadableIconIface *iface;
  GInputStream *stream;
  LoadData *data;
  GError *error = NULL;
  char *type = NULL;

  data = g_simple_async_result_get_op_res_gpointer (res);
  
  iface = G_LOADABLE_ICON_GET_IFACE (object);
  stream = iface->load (G_LOADABLE_ICON (object), data->size, &type, cancellable, &error);

  if (stream == NULL)
    {
      g_simple_async_result_take_error (res, error);
    }
  else
    {
      data->stream = stream;
      data->type = type;
    }
}
/**
 * g_loadable_icon_load:
 * @icon: a #GLoadableIcon.
 * @size: an integer.
 * @type: (out) (allow-none): a location to store the type of the
 *        loaded icon, %NULL to ignore.
 * @cancellable: (allow-none): optional #GCancellable object, %NULL to ignore. 
 * @error: a #GError location to store the error occurring, or %NULL to 
 * ignore.
 * 
 * Loads a loadable icon. For the asynchronous version of this function, 
 * see g_loadable_icon_load_async().
 * 
 * Returns: (transfer full): a #GInputStream to read the icon from.
 **/
GInputStream *
g_loadable_icon_load (GLoadableIcon  *icon,
		      int             size,
		      char          **type,
		      GCancellable   *cancellable,
		      GError        **error)
{
  GLoadableIconIface *iface;

  g_return_val_if_fail (G_IS_LOADABLE_ICON (icon), NULL);

  iface = G_LOADABLE_ICON_GET_IFACE (icon);

  return (* iface->load) (icon, size, type, cancellable, error);
}
/**
 * g_loadable_icon_load_async:
 * @icon: a #GLoadableIcon.
 * @size: an integer.
 * @cancellable: (allow-none): optional #GCancellable object, %NULL to ignore. 
 * @callback: (scope async): a #GAsyncReadyCallback to call when the
 *            request is satisfied
 * @user_data: (closure): the data to pass to callback function
 * 
 * Loads an icon asynchronously. To finish this function, see 
 * g_loadable_icon_load_finish(). For the synchronous, blocking 
 * version of this function, see g_loadable_icon_load().
 **/
void
g_loadable_icon_load_async (GLoadableIcon       *icon,
                            int                  size,
                            GCancellable        *cancellable,
                            GAsyncReadyCallback  callback,
                            gpointer             user_data)
{
  GLoadableIconIface *iface;
  
  g_return_if_fail (G_IS_LOADABLE_ICON (icon));

  iface = G_LOADABLE_ICON_GET_IFACE (icon);

  (* iface->load_async) (icon, size, cancellable, callback, user_data);
}
Exemple #4
0
/**
 * g_loadable_icon_load_finish:
 * @icon: a #GLoadableIcon.
 * @res: a #GAsyncResult.
 * @type: a location to store the type of the loaded icon, %NULL to ignore.
 * @error: a #GError location to store the error occurring, or %NULL to 
 * ignore.
 * 
 * Finishes an asynchronous icon load started in g_loadable_icon_load_async().
 * 
 * Returns: (transfer full): a #GInputStream to read the icon from.
 **/
GInputStream *
g_loadable_icon_load_finish (GLoadableIcon  *icon,
			     GAsyncResult   *res,
			     char          **type,
			     GError        **error)
{
  GLoadableIconIface *iface;
  
  g_return_val_if_fail (G_IS_LOADABLE_ICON (icon), NULL);
  g_return_val_if_fail (G_IS_ASYNC_RESULT (res), NULL);

  if (g_async_result_legacy_propagate_error (res, error))
    return NULL;

  iface = G_LOADABLE_ICON_GET_IFACE (icon);

  return (* iface->load_finish) (icon, res, type, error);
}
Exemple #5
0
static void
load_async_thread (GTask        *task,
                   gpointer      source_object,
                   gpointer      task_data,
                   GCancellable *cancellable)
{
  GLoadableIcon *icon = source_object;
  LoadData *data = task_data;
  GLoadableIconIface *iface;
  GInputStream *stream;
  GError *error = NULL;

  iface = G_LOADABLE_ICON_GET_IFACE (icon);
  stream = iface->load (icon, data->size, &data->type,
                        cancellable, &error);

  if (stream)
    g_task_return_pointer (task, stream, g_object_unref);
  else
    g_task_return_error (task, error);
}