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/**
* 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");
}
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