The Tor Browser: dom/workers/test/onLine_worker.js@925c144e1f1f (annotated)

dom/workers/test/onLine_worker.js@925c144e1f1f (annotated)

dom/workers/test/onLine_worker.js

Fri, 16 Jan 2015 18:13:44 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Fri, 16 Jan 2015 18:13:44 +0100
branch: TOR_BUG_9701
changeset 14: 925c144e1f1f
permissions: -rw-r--r--

Integrate suggestion from review to improve consistency with existing code.

 /*
  * Any copyright is dedicated to the Public Domain.
  * http://creativecommons.org/licenses/publicdomain/
  */
 importScripts("onLine_worker_head.js");
 var N_CHILDREN = 3;
 var children = [];
 var finishedChildrenCount = 0;
 var lastTest = false;
 for (var event of ["online", "offline"]) {
   addEventListener(event,
                    makeHandler(
                      "addEventListener('%1', ..., false)",
                      event, 1, "Parent Worker"),
                    false);
 }
 onmessage = function(e) {
   if (e.data === 'lastTest') {
     children.forEach(function(w) {
       w.postMessage({ type: 'lastTest' });
     });
     lastTest = true;
   }
 }
 function setupChildren(cb) {
   var readyCount = 0;
   for (var i = 0; i < N_CHILDREN; ++i) {
     var w = new Worker("onLine_worker_child.js");
     children.push(w);
     w.onerror = function(e) {
       info("Error creating child " + e.message);
     }
     w.onmessage = function(e) {
       if (e.data.type === 'ready') {
         info("Got ready from child");
         readyCount++;
         if (readyCount === N_CHILDREN) {
           cb();
         }
       } else if (e.data.type === 'finished') {
         finishedChildrenCount++;
         if (lastTest && finishedChildrenCount === N_CHILDREN) {
           postMessage({ type: 'finished' });
           children = [];
           close();
         }
       } else if (e.data.type === 'ok') {
         // Pass on test to page.
         postMessage(e.data);
       }
     }
   }
 }
 setupChildren(function() {
   postMessage({ type: 'ready' });
 });