blob: 543d8b3dd8f980ac01df60401a11e6b7b07ba3a1 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
/**
* 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 });
|
