Ticket #26369: 26369.2.patch

src/wp-admin/includes/misc.php

@@ -633 +633 @@
 }
 add_action('admin_head', '_ipad_meta');
 
+function _admin_font_face_test( $body_class ) {
+        if ( wp_is_mobile() && ! _font_face_support() ) {
+                if ( ! empty( $body_class ) )
+                        $body_class .= ' ';
+
+                $body_class .= 'no-font-face';
+        }
+
+        return $body_class;
+}
+add_filter( 'admin_body_class', '_admin_font_face_test' );
+
 /**
  * Check lock status for posts displayed on the Posts screen
  *

src/wp-includes/class-wp-admin-bar.php

@@ -353 +353 @@
                                 $class .= ' ie9';
                 } elseif ( wp_is_mobile() ) {
                         $class .= ' mobile';
+
+                        if ( ! _font_face_support() )
+                                $class .= ' no-font-face';
                 }
 
                 ?>

src/wp-includes/vars.php

@@ -139 +139 @@
 
         return $is_mobile;
 }
+
+function _font_face_support() {
+        $pattern = '/Android (1.0|1.1|1.5|1.6|2.0|2.1)|Nokia|Opera Mini|' .
+                'w(eb)?OSBrowser|webOS|UCWEB|Windows Phone OS 7|XBLWP7|ZuneWP7/';
+
+        if ( preg_match( $pattern, $_SERVER['HTTP_USER_AGENT'] ) )
+                return false;
+
+        return true;
+}