From: Gilles Dubuc <gilles@wikimedia.org>
Date: Tue, 19 Mar 2019 10:22:13 +0000 (+0100)
Subject: Add support for Element Timing API
X-Git-Tag: 1.34.0-rc.0~2447^2
X-Git-Url: http://git.cyclocoop.org/%7B%24admin_url%7Dmembres/cotisations/gestion/rappel_supprimer.php?a=commitdiff_plain;h=e83e1fc1eee3cc49e7a4c148396a7e4416c73f8c;p=lhc%2Fweb%2Fwiklou.git

Add support for Element Timing API

https://github.com/WICG/element-timing

Bug: T216598
Change-Id: Ieda41f5074784957760c17dc15f7c891e56b6795
---

diff --git a/includes/DefaultSettings.php b/includes/DefaultSettings.php
index 68d784614a..34b2796242 100644
--- a/includes/DefaultSettings.php
+++ b/includes/DefaultSettings.php
@@ -9041,6 +9041,16 @@ $wgOriginTrials = [];
  */
 $wgPriorityHints = false;
 
+/**
+ * Enable Element Timing.
+ *
+ * @warning EXPERIMENTAL!
+ *
+ * @since 1.34
+ * @var bool
+ */
+$wgElementTiming = false;
+
 /**
  * For really cool vim folding this needs to be at the end:
  * vim: foldmarker=@{,@} foldmethod=marker
diff --git a/includes/media/MediaTransformOutput.php b/includes/media/MediaTransformOutput.php
index 87b4be7803..48ea4a510f 100644
--- a/includes/media/MediaTransformOutput.php
+++ b/includes/media/MediaTransformOutput.php
@@ -358,7 +358,7 @@ class ThumbnailImage extends MediaTransformOutput {
 	 * @return string
 	 */
 	function toHtml( $options = [] ) {
-		global $wgPriorityHints;
+		global $wgPriorityHints, $wgElementTiming;
 
 		if ( count( func_get_args() ) == 2 ) {
 			throw new MWException( __METHOD__ . ' called in the old style' );
@@ -374,12 +374,19 @@ class ThumbnailImage extends MediaTransformOutput {
 			'decoding' => 'async',
 		];
 
+		$elementTimingName = 'thumbnail';
+
 		if ( $wgPriorityHints
 			&& !self::$firstNonIconImageRendered
 			&& $this->width * $this->height > 100 * 100 ) {
 			self::$firstNonIconImageRendered = true;
 
 			$attribs['importance'] = 'high';
+			$elementTimingName = 'thumbnail-high';
+		}
+
+		if ( $wgElementTiming ) {
+			$attribs['elementtiming'] = $elementTimingName;
 		}
 
 		if ( !empty( $options['custom-url-link'] ) ) {