Source code
Revision control
Copy as Markdown
Other Tools
/*
* Any copyright is dedicated to the Public Domain.
*/
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" });
});