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Diffstat (limited to 'dom/workers/test/extensions/bootstrap/bootstrap.js')
-rw-r--r-- | dom/workers/test/extensions/bootstrap/bootstrap.js | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/dom/workers/test/extensions/bootstrap/bootstrap.js b/dom/workers/test/extensions/bootstrap/bootstrap.js new file mode 100644 index 000000000..acb0a204b --- /dev/null +++ b/dom/workers/test/extensions/bootstrap/bootstrap.js @@ -0,0 +1,141 @@ +/** + * 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"); +} |