The Tor Browser: dom/workers/test/xhr

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 /**

     2  * Any copyright is dedicated to the Public Domain.

     3  * http://creativecommons.org/publicdomain/zero/1.0/

     4  */

     5 var xhr = new XMLHttpRequest();

     7 function onload(event) {

     8   if (event.target != xhr) {

     9     throw "onload event.target != xhr";

    10   }

    12   if (event.target.status != 200) {

    13     var message = { type: "error",

    14                     error: event.target.status };

    15     postMessage(message);

    16   }

    18   var message = { type: "load",

    19                   data: xhr.responseText };

    20   postMessage(message);

    21 }

    23 xhr.onload = onload;

    24 xhr.addEventListener("load", onload, false);

    25 xhr.removeEventListener("load", onload, false);

    26 if (!xhr.onload) {

    27   var message = { type: "error",

    28                   error: "Lost message listener!" };

    29   postMessage(message);

    30 }

    32 xhr.onerror = function(event) {

    33   if (event.target != xhr) {

    34     throw "onerror event.target != xhr";

    35   }

    36   var message = { type: "error",

    37                   error: event.target.status };

    38   postMessage(message);

    39 };

    40 xhr.onerror = xhr.onerror;

    41 if (!xhr.onerror || xhr.onerror != xhr.onerror) {

    42   throw "onerror wasn't set properly";

    43 }

    45 function onprogress(event) {

    46   if (event.target != xhr) {

    47     throw "onprogress event.target != xhr";

    48   }

    49   var message = { type: "progress",

    50                   current: event.loaded,

    51                   total: event.total };

    52   postMessage(message);

    53 }

    54 xhr.addEventListener("progress", onprogress, false);

    56 xhr.addEventListener("foopety", function(event) {}, false);

    57 xhr.removeEventListener("doopety", function(event) {}, false);

    59 xhr.onloadend = function(event) {

    60   var message = { type: "loadend" };

    61   postMessage(message);

    62 }

    64 var upload = xhr.upload;

    65 upload.onprogress = function(event) { };

    66 upload.addEventListener("foo", function(event) { }, false);

    67 upload.removeEventListener("foo", function(event) { }, false);

    68 upload.addEventListener("load", function(event) { }, false);

    69 upload.removeEventListener("foo", function(event) { }, false);

    70 upload.onload = function(event) {

    71   var message = { type: "upload.load" };

    72   postMessage(message);

    73 }

    75 onmessage = function(event) {

    76   if (xhr.DONE != 4 || XMLHttpRequest.DONE != 4) {

    77     throw "xhr constants not correct!";

    78   }

    79   if (xhr.readystate > xhr.UNSENT) {

    80     throw "XHR already running!";

    81   }

    82   xhr.open("POST", event.data);

    83   xhr.send("Data to send");

    84 }

The Tor Browser / file revision