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<?php |
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/** |
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* Handles adding to the footer the @font-face CSS for locally-hosted google-fonts. |
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* Solves privacy concerns with Google's CDN and their sometimes less-than-transparent policies. |
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* |
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* @package Kirki |
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* @category Core |
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* @author Aristeides Stathopoulos |
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* @copyright Copyright (c) 2017, Aristeides Stathopoulos |
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* @license http://opensource.org/licenses/https://opensource.org/licenses/MIT |
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* @since 3.0.28 |
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*/ |
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/** |
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* Manages the way Google Fonts are enqueued. |
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*/ |
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final class Kirki_Modules_Webfonts_Local { |
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/** |
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* The config ID. |
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* |
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* @access protected |
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* @since 3.0.28 |
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* @var string |
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*/ |
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protected $config_id; |
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/** |
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* The Kirki_Modules_Webfonts object. |
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* |
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* @access protected |
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* @since 3.0.28 |
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* @var object |
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*/ |
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protected $webfonts; |
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/** |
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* The Kirki_Fonts_Google object. |
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* |
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* @access protected |
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* @since 3.0.28 |
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* @var object |
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*/ |
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protected $googlefonts; |
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/** |
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* Fonts to load. |
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* |
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* @access protected |
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* @since 3.0.28 |
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* @var array |
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*/ |
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protected $fonts_to_load = array(); |
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/** |
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* Constructor. |
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* |
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* @access public |
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* @since 3..28 |
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* @param object $webfonts The Kirki_Modules_Webfonts object. |
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* @param object $googlefonts The Kirki_Fonts_Google object. |
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*/ |
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public function __construct( $webfonts, $googlefonts ) { |
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$this->webfonts = $webfonts; |
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$this->googlefonts = $googlefonts; |
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add_action( 'wp_footer', array( $this, 'add_styles' ) ); |
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} |
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/** |
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* Webfont Loader for Google Fonts. |
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* |
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* @access public |
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* @since 3.0.28 |
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*/ |
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public function add_styles() { |
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// Go through our fields and populate $this->fonts. |
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$this->webfonts->loop_fields( $this->config_id ); |
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$this->googlefonts->process_fonts(); |
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$hosted_fonts = $this->googlefonts->get_hosted_fonts(); |
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// Early exit if we don't need to add any fonts. |
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if ( empty( $hosted_fonts ) ) { |
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return; |
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} |
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// Make sure we only do this once per font-family. |
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$hosted_fonts = array_unique( $hosted_fonts ); |
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// Start CSS. |
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$css = ''; |
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foreach ( $hosted_fonts as $family ) { |
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// Add the @font-face CSS for this font-family. |
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$css .= Kirki_Fonts_Google_Local::init( $family )->get_css(); |
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} |
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// If we've got CSS, add to the footer. |
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if ( $css ) { |
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echo '<style id="kirki-local-webfonts-' . esc_attr( sanitize_key( $this->config_id ) ) . '">' . $css . '</style>'; // WPCS: XSS ok. |
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} |
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} |
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} |
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aristath /
kirki
