/**
* 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);
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 });