gecko/content/base/test/chrome/test_bug682305.html

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<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=682305
-->
<head>
<title>XMLHttpRequest send and channel implemented in JS</title>
<script type="application/javascript" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
<script type="application/javascript" src="chrome://mochikit/content/tests/SimpleTest/EventUtils.js"></script>
<script type="application/javascript" src="chrome://mochikit/content/tests/SimpleTest/ChromeUtils.js"></script>
<link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css"/>
</head>
<body>
<a target="_blank"
href="https://bugzilla.mozilla.org/show_bug.cgi?id=682305">Mozilla Bug 682305</a>
<p id="display"></p>
<div id="content" style="display: none">
</div>
<pre id="test">
<script class="testbody" type="application/javascript;version=1.8">
SimpleTest.waitForExplicitFinish();
/*
* Register a custom nsIProtocolHandler service
* in order to be able to implement *and use* an
* nsIChannel component written in Javascript.
*/
var Cc = Components.classes;
var Ci = Components.interfaces;
var Cr = Components.results;
var Cu = Components.utils;
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
var SimpleURI = Cc["@mozilla.org/network/simple-uri;1"];
var ios = Cc["@mozilla.org/network/io-service;1"]
.getService(Ci.nsIIOService);
var PROTOCOL_SCHEME = "jsproto";
function CustomChannel(uri) {
this.URI = this.originalURI = uri;
}
CustomChannel.prototype = {
URI: null,
originalURI: null,
contentCharset: "utf-8",
contentLength: 0,
contentType: "text/plain",
owner: Cc["@mozilla.org/systemprincipal;1"].createInstance(Ci.nsIPrincipal),
securityInfo: null,
notificationCallbacks: null,
loadFlags: 0,
loadGroup: null,
name: null,
status: Cr.NS_OK,
asyncOpen: function(listener, context) {
let stream = this.open();
try {
listener.onStartRequest(this, context);
} catch(e) {}
try {
listener.onDataAvailable(this, context, stream, 0, stream.available());
} catch(e) {}
try {
listener.onStopRequest(this, context, Cr.NS_OK);
} catch(e) {}
},
open: function() {
let data = "bar";
let stream = Cc["@mozilla.org/io/string-input-stream;1"].createInstance(Ci.nsIStringInputStream);
stream.setData(data, data.length);
return stream;
},
isPending: function() {
return false;
},
cancel: function() {
throw Cr.NS_ERROR_NOT_IMPLEMENTED;
},
suspend: function() {
throw Cr.NS_ERROR_NOT_IMPLEMENTED;
},
resume: function() {
throw Cr.NS_ERROR_NOT_IMPLEMENTED;
},
QueryInterface: XPCOMUtils.generateQI([Ci.nsIChannel, Ci.nsIRequest])
};
function CustomProtocol() {}
CustomProtocol.prototype = {
get scheme() {
return PROTOCOL_SCHEME;
},
get protocolFlags() {
return (Ci.nsIProtocolHandler.URI_NORELATIVE |
Ci.nsIProtocolHandler.URI_IS_LOCAL_RESOURCE |
Ci.nsIProtocolHandler.URI_DANGEROUS_TO_LOAD);
},
get defaultPort() {
return -1;
},
allowPort: function allowPort() {
return false;
},
newURI: function newURI(spec, charset, baseURI) {
var uri = SimpleURI.createInstance(Ci.nsIURI)
uri.spec = spec;
return uri.QueryInterface(Ci.nsIURI);
},
newChannel: function newChannel(URI) {
return new CustomChannel(URI);
},
QueryInterface: XPCOMUtils.generateQI([Ci.nsISupports,
Ci.nsISupportsWeakReference,
Ci.nsIProtocolHandler])
};
var gFactory = {
register: function() {
var registrar = Components.manager.QueryInterface(Ci.nsIComponentRegistrar);
var classID = Components.ID("{ed064287-1e76-49ba-a28d-dc74394a8334}");
var description = PROTOCOL_SCHEME + ": protocol";
var contractID = "@mozilla.org/network/protocol;1?name=" + PROTOCOL_SCHEME;
var factory = XPCOMUtils._getFactory(CustomProtocol);
registrar.registerFactory(classID, description, contractID, factory);
this.unregister = function() {
registrar.unregisterFactory(classID, factory);
delete this.unregister;
};
}
};
// Register the custom procotol handler
gFactory.register();
// Then, checks if XHR works with it
var xhr = new XMLHttpRequest();
xhr.open("GET", PROTOCOL_SCHEME + ":foo", true);
xhr.onload = function () {
is(xhr.responseText, "bar", "protocol doesn't work");
gFactory.unregister();
SimpleTest.finish();
}
try {
xhr.send(null);
} catch(e) {
ok(false, e);
}
</script>
</pre>
</body>
</html>