Merge "Ensure users are able to edit the page after changing the content model"

[lhc/web/wiklou.git] / resources / src / mediawiki / mediawiki.requestIdleCallback.js

diff --git a/resources/src/mediawiki/mediawiki.requestIdleCallback.js b/resources/src/mediawiki/mediawiki.requestIdleCallback.js
index 796639f..b58cb69 100644 (file)
--- a/resources/src/mediawiki/mediawiki.requestIdleCallback.js
+++ b/resources/src/mediawiki/mediawiki.requestIdleCallback.js
@@ -3,37 +3,19 @@
  *
  * Loosely based on https://w3c.github.io/requestidlecallback/
  */
-( function ( mw, $ ) {
-       var tasks = [],
-               maxIdleDuration = 50,
-               timeout = null;
-
-       function schedule( trigger ) {
-               clearTimeout( timeout );
-               timeout = setTimeout( trigger, 700 );
-       }
-
-       function triggerIdle() {
-               var elapsed,
-                       start = mw.now();
-
-               while ( tasks.length ) {
-                       elapsed = mw.now() - start;
-                       if ( elapsed < maxIdleDuration ) {
-                               tasks.shift().callback();
-                       } else {
-                               // Idle moment expired, try again later
-                               schedule( triggerIdle );
-                               break;
-                       }
-               }
-       }
+( function ( mw ) {
+       var maxBusy = 50;
 
        mw.requestIdleCallbackInternal = function ( callback ) {
-               var task = { callback: callback };
-               tasks.push( task );
-
-               $( function () { schedule( triggerIdle ); } );
+               setTimeout( function () {
+                       var start = mw.now();
+                       callback( {
+                               didTimeout: false,
+                               timeRemaining: function () {
+                                       return Math.max( 0, maxBusy - ( mw.now() - start ) );
+                               }
+                       } );
+               }, 1 );
        };
 
        /**
@@ -42,9 +24,12 @@
         * @member mw
         * @param {Function} callback
         */
+       mw.requestIdleCallback = mw.requestIdleCallbackInternal;
+       /*
+       // XXX: Polyfill disabled due to https://bugs.chromium.org/p/chromium/issues/detail?id=647870
        mw.requestIdleCallback = window.requestIdleCallback
-               ? function ( callback ) {
-                       window.requestIdleCallback( callback );
-               }
+               // Bind because it throws TypeError if context is not window
+               ? window.requestIdleCallback.bind( window )
                : mw.requestIdleCallbackInternal;
-}( mediaWiki, jQuery ) );
+       */
+}( mediaWiki ) );