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/**
* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/publicdomain/zero/1.0/
*/
var Ci = Components.interfaces;
var Cu = Components.utils;
Cu.import("resource://gre/modules/Services.jsm");
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
function testForExpectedSymbols(stage, data) {
const expectedSymbols = [ "Worker", "ChromeWorker" ];
for (var symbol of expectedSymbols) {
Services.prefs.setBoolPref("workertest.bootstrap." + stage + "." + symbol,
symbol in this);
}
}
var gWorkerAndCallback = {
_ensureStarted: function() {
if (!this._worker) {
throw new Error("Not yet started!");
}
},
start: function(data) {
if (!this._worker) {
this._worker = new Worker("chrome://workerbootstrap/content/worker.js");
this._worker.onerror = function(event) {
Cu.reportError(event.message);
event.preventDefault();
};
}
},
stop: function() {
if (this._worker) {
this._worker.terminate();
delete this._worker;
}
},
set callback(val) {
this._ensureStarted();
var callback = val.QueryInterface(Ci.nsIObserver);
if (this._callback != callback) {
if (callback) {
this._worker.onmessage = function(event) {
callback.observe(this, event.type, event.data);
};
this._worker.onerror = function(event) {
callback.observe(this, event.type, event.message);
event.preventDefault();
};
}
else {
this._worker.onmessage = null;
this._worker.onerror = null;
}
this._callback = callback;
}
},
get callback() {
return this._callback;
},
postMessage: function(data) {
this._ensureStarted();
this._worker.postMessage(data);
},
terminate: function() {
this._ensureStarted();
this._worker.terminate();
delete this._callback;
}
};
function WorkerTestBootstrap() {
}
WorkerTestBootstrap.prototype = {
observe: function(subject, topic, data) {
gWorkerAndCallback.callback = subject;
switch (topic) {
case "postMessage":
gWorkerAndCallback.postMessage(data);
break;
case "terminate":
gWorkerAndCallback.terminate();
break;
default:
throw new Error("Unknown worker command");
}
},
QueryInterface: XPCOMUtils.generateQI([Ci.nsIObserver])
};
var gFactory = {
register: function() {
var registrar = Components.manager.QueryInterface(Ci.nsIComponentRegistrar);
var classID = Components.ID("{36b5df0b-8dcf-4aa2-9c45-c51d871295f9}");
var description = "WorkerTestBootstrap";
var contractID = "@mozilla.org/test/workertestbootstrap;1";
var factory = XPCOMUtils._getFactory(WorkerTestBootstrap);
registrar.registerFactory(classID, description, contractID, factory);
this.unregister = function() {
registrar.unregisterFactory(classID, factory);
delete this.unregister;
};
}
};
function install(data, reason) {
testForExpectedSymbols("install");
}
function startup(data, reason) {
testForExpectedSymbols("startup");
gFactory.register();
gWorkerAndCallback.start(data);
}
function shutdown(data, reason) {
testForExpectedSymbols("shutdown");
gWorkerAndCallback.stop();
gFactory.unregister();
}
function uninstall(data, reason) {
testForExpectedSymbols("uninstall");
}
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