BaseTexturePtr LauncherIcon::TextureFromGtkTheme(std::string icon_name, int size, bool update_glow_colors)
{
  GtkIconTheme* default_theme;
  BaseTexturePtr result;

  if (icon_name.empty())
    icon_name = DEFAULT_ICON;

  default_theme = gtk_icon_theme_get_default();
  result = TextureFromSpecificGtkTheme(default_theme, icon_name, size, update_glow_colors);

  if (!result)
    result = TextureFromSpecificGtkTheme(GetUnityTheme(), icon_name, size, update_glow_colors);

  if (!result)
    result = TextureFromSpecificGtkTheme(default_theme, icon_name, size, update_glow_colors, true);

  if (!result)
  {
    if (icon_name != "folder")
      result = TextureFromSpecificGtkTheme(default_theme, "folder", size, update_glow_colors);
  }

  return result;
}

BaseTexturePtr LauncherIcon::TextureFromSpecificGtkTheme(GtkIconTheme* theme,
                                                         std::string const& icon_name,
                                                         int size,
                                                         bool update_glow_colors,
                                                         bool is_default_theme)
{
  glib::Object<GIcon> icon(g_icon_new_for_string(icon_name.c_str(), nullptr));
  gtk::IconInfo info;
  auto flags = static_cast<GtkIconLookupFlags>(0);

  if (icon.IsType(G_TYPE_ICON))
  {
    info = gtk_icon_theme_lookup_by_gicon(theme, icon, size, flags);
  }
  else
  {
    info = gtk_icon_theme_lookup_icon(theme, icon_name.c_str(), size, flags);
  }

  if (!info && !is_default_theme)
    return BaseTexturePtr();

  if (!info)
  {
    info = gtk_icon_theme_lookup_icon(theme, DEFAULT_ICON.c_str(), size, flags);
  }

  if (!gtk_icon_info_get_filename(info))
  {
    info = gtk_icon_theme_lookup_icon(theme, DEFAULT_ICON.c_str(), size, flags);
  }

  glib::Error error;
  glib::Object<GdkPixbuf> pbuf(gtk_icon_info_load_icon(info, &error));

  if (pbuf.IsType(GDK_TYPE_PIXBUF))
  {
    if (update_glow_colors)
      ColorForIcon(pbuf, _background_color, _glow_color);

    BaseTexturePtr result;
    result.Adopt(nux::CreateTexture2DFromPixbuf(pbuf, true));

    return result;
  }
  else
  {
    LOG_WARN(logger) << "Unable to load '" << icon_name
                     <<  "' from icon theme: " << error;
  }

  return BaseTexturePtr();
}