dom/workers/test/simpleThread_worker.js

Fri, 16 Jan 2015 18:13:44 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Fri, 16 Jan 2015 18:13:44 +0100
branch
TOR_BUG_9701
changeset 14
925c144e1f1f
permissions
-rw-r--r--

Integrate suggestion from review to improve consistency with existing code.

michael@0 1 /**
michael@0 2 * Any copyright is dedicated to the Public Domain.
michael@0 3 * http://creativecommons.org/publicdomain/zero/1.0/
michael@0 4 */
michael@0 5 "use strict";
michael@0 6
michael@0 7 function messageListener(event) {
michael@0 8 var exception;
michael@0 9 try {
michael@0 10 event.bubbles = true;
michael@0 11 }
michael@0 12 catch(e) {
michael@0 13 exception = e;
michael@0 14 }
michael@0 15
michael@0 16 if (!(exception instanceof TypeError)) {
michael@0 17 throw exception;
michael@0 18 }
michael@0 19
michael@0 20 switch (event.data) {
michael@0 21 case "no-op":
michael@0 22 break;
michael@0 23 case "components":
michael@0 24 postMessage(Components.toString());
michael@0 25 break;
michael@0 26 case "start":
michael@0 27 for (var i = 0; i < 1000; i++) { }
michael@0 28 postMessage("started");
michael@0 29 break;
michael@0 30 case "stop":
michael@0 31 self.postMessage('no-op');
michael@0 32 postMessage("stopped");
michael@0 33 self.removeEventListener("message", messageListener, false);
michael@0 34 break;
michael@0 35 default:
michael@0 36 throw 'Bad message: ' + event.data;
michael@0 37 }
michael@0 38 }
michael@0 39
michael@0 40 if (!("DedicatedWorkerGlobalScope" in self)) {
michael@0 41 throw new Error("DedicatedWorkerGlobalScope should be visible!");
michael@0 42 }
michael@0 43 if (!(self instanceof DedicatedWorkerGlobalScope)) {
michael@0 44 throw new Error("The global should be a SharedWorkerGlobalScope!");
michael@0 45 }
michael@0 46 if (!(self instanceof WorkerGlobalScope)) {
michael@0 47 throw new Error("The global should be a WorkerGlobalScope!");
michael@0 48 }
michael@0 49 if ("SharedWorkerGlobalScope" in self) {
michael@0 50 throw new Error("SharedWorkerGlobalScope should not be visible!");
michael@0 51 }
michael@0 52
michael@0 53 addEventListener("message", { handleEvent: messageListener });

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