public function add_enqueue_font($font)
{
switch (Fonts::get_font_type($font)) {
case Fonts::GOOGLE:
if (!in_array($font, $this->_enqueue_google_fonts)) {
$this->_enqueue_google_fonts[] = $font;
}
break;
case Fonts::EARLYACCESS:
if (!in_array($font, $this->_enqueue_google_early_access_fonts)) {
$this->_enqueue_google_early_access_fonts[] = $font;
}
break;
}
}