The Tor Browser: dom/workers/test/xhr_worker.js@925c144e1f1f (annotated)

dom/workers/test/xhr_worker.js@925c144e1f1f (annotated)

dom/workers/test/xhr_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.

 /**
  * Any copyright is dedicated to the Public Domain.
  * http://creativecommons.org/publicdomain/zero/1.0/
  */
 var xhr = new XMLHttpRequest();
 function onload(event) {
   if (event.target != xhr) {
     throw "onload event.target != xhr";
   }
   if (event.target.status != 200) {
     var message = { type: "error",
                     error: event.target.status };
     postMessage(message);
   }
   var message = { type: "load",
                   data: xhr.responseText };
   postMessage(message);
 }
 xhr.onload = onload;
 xhr.addEventListener("load", onload, false);
 xhr.removeEventListener("load", onload, false);
 if (!xhr.onload) {
   var message = { type: "error",
                   error: "Lost message listener!" };
   postMessage(message);
 }
 xhr.onerror = function(event) {
   if (event.target != xhr) {
     throw "onerror event.target != xhr";
   }
   var message = { type: "error",
                   error: event.target.status };
   postMessage(message);
 };
 xhr.onerror = xhr.onerror;
 if (!xhr.onerror || xhr.onerror != xhr.onerror) {
   throw "onerror wasn't set properly";
 }
 function onprogress(event) {
   if (event.target != xhr) {
     throw "onprogress event.target != xhr";
   }
   var message = { type: "progress",
                   current: event.loaded,
                   total: event.total };
   postMessage(message);
 }
 xhr.addEventListener("progress", onprogress, false);
 xhr.addEventListener("foopety", function(event) {}, false);
 xhr.removeEventListener("doopety", function(event) {}, false);
 xhr.onloadend = function(event) {
   var message = { type: "loadend" };
   postMessage(message);
 }
 var upload = xhr.upload;
 upload.onprogress = function(event) { };
 upload.addEventListener("foo", function(event) { }, false);
 upload.removeEventListener("foo", function(event) { }, false);
 upload.addEventListener("load", function(event) { }, false);
 upload.removeEventListener("foo", function(event) { }, false);
 upload.onload = function(event) {
   var message = { type: "upload.load" };
   postMessage(message);
 }
 onmessage = function(event) {
   if (xhr.DONE != 4 || XMLHttpRequest.DONE != 4) {
     throw "xhr constants not correct!";
   }
   if (xhr.readystate > xhr.UNSENT) {
     throw "XHR already running!";
   }
   xhr.open("POST", event.data);
   xhr.send("Data to send");
 }