WordPress 4.7

[autoinstalls/wordpress.git] / wp-content / themes / twentyfifteen / functions.php

diff --git a/wp-content/themes/twentyfifteen/functions.php b/wp-content/themes/twentyfifteen/functions.php
index 056a3613e681478d2ea187caf847095d0fd4c71d..8ae7e1daccd42d0e8d488d57e980a12489bdc19e 100644 (file)
--- a/wp-content/themes/twentyfifteen/functions.php
+++ b/wp-content/themes/twentyfifteen/functions.php
@@ -118,6 +118,19 @@ function twentyfifteen_setup() {
        $default_color = trim( $color_scheme[0], '#' );
 
        // Setup the WordPress core custom background feature.
+
+       /**
+        * Filter Twenty Fifteen custom-header support arguments.
+        *
+        * @since Twenty Fifteen 1.0
+        *
+        * @param array $args {
+        *     An array of custom-header support arguments.
+        *
+        *     @type string $default-color              Default color of the header.
+        *     @type string $default-attachment     Default attachment of the header.
+        * }
+        */
        add_theme_support( 'custom-background', apply_filters( 'twentyfifteen_custom_background_args', array(
                'default-color'      => $default_color,
                'default-attachment' => 'fixed',
@@ -272,6 +285,31 @@ function twentyfifteen_scripts() {
 }
 add_action( 'wp_enqueue_scripts', 'twentyfifteen_scripts' );
 
+/**
+ * Add preconnect for Google Fonts.
+ *
+ * @since Twenty Fifteen 1.7
+ *
+ * @param array   $urls          URLs to print for resource hints.
+ * @param string  $relation_type The relation type the URLs are printed.
+ * @return array URLs to print for resource hints.
+ */
+function twentyfifteen_resource_hints( $urls, $relation_type ) {
+       if ( wp_style_is( 'twentyfifteen-fonts', 'queue' ) && 'preconnect' === $relation_type ) {
+               if ( version_compare( $GLOBALS['wp_version'], '4.7-alpha', '>=' ) ) {
+                       $urls[] = array(
+                               'href' => 'https://fonts.gstatic.com',
+                               'crossorigin',
+                       );
+               } else {
+                       $urls[] = 'https://fonts.gstatic.com';
+               }
+       }
+
+       return $urls;
+}
+add_filter( 'wp_resource_hints', 'twentyfifteen_resource_hints', 10, 2 );
+
 /**
  * Add featured image as background image to post navigation elements.
  *