mirror of
https://github.com/classilla/tenfourfox.git
synced 2024-09-11 02:56:06 +00:00
54 lines
1.3 KiB
JavaScript
54 lines
1.3 KiB
JavaScript
/**
|
|
* Any copyright is dedicated to the Public Domain.
|
|
* http://creativecommons.org/publicdomain/zero/1.0/
|
|
*/
|
|
"use strict";
|
|
|
|
function messageListener(event) {
|
|
var exception;
|
|
try {
|
|
event.bubbles = true;
|
|
}
|
|
catch(e) {
|
|
exception = e;
|
|
}
|
|
|
|
if (!(exception instanceof TypeError)) {
|
|
throw exception;
|
|
}
|
|
|
|
switch (event.data) {
|
|
case "no-op":
|
|
break;
|
|
case "components":
|
|
postMessage(Components.toString());
|
|
break;
|
|
case "start":
|
|
for (var i = 0; i < 1000; i++) { }
|
|
postMessage("started");
|
|
break;
|
|
case "stop":
|
|
self.postMessage('no-op');
|
|
postMessage("stopped");
|
|
self.removeEventListener("message", messageListener, false);
|
|
break;
|
|
default:
|
|
throw 'Bad message: ' + event.data;
|
|
}
|
|
}
|
|
|
|
if (!("DedicatedWorkerGlobalScope" in self)) {
|
|
throw new Error("DedicatedWorkerGlobalScope should be visible!");
|
|
}
|
|
if (!(self instanceof DedicatedWorkerGlobalScope)) {
|
|
throw new Error("The global should be a SharedWorkerGlobalScope!");
|
|
}
|
|
if (!(self instanceof WorkerGlobalScope)) {
|
|
throw new Error("The global should be a WorkerGlobalScope!");
|
|
}
|
|
if ("SharedWorkerGlobalScope" in self) {
|
|
throw new Error("SharedWorkerGlobalScope should not be visible!");
|
|
}
|
|
|
|
addEventListener("message", { handleEvent: messageListener });
|