tenfourfox/dom/workers/test/onLine_worker.js
Cameron Kaiser c9b2922b70 hello FPR
2017-04-19 00:56:45 -07:00

66 lines
1.5 KiB
JavaScript

/*
* 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' });
});