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Diffstat (limited to 'dom/workers/test/extensions/traditional/WorkerTest.js')
-rw-r--r-- | dom/workers/test/extensions/traditional/WorkerTest.js | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/dom/workers/test/extensions/traditional/WorkerTest.js b/dom/workers/test/extensions/traditional/WorkerTest.js new file mode 100644 index 000000000..5890c0d4c --- /dev/null +++ b/dom/workers/test/extensions/traditional/WorkerTest.js @@ -0,0 +1,122 @@ +/** + * Any copyright is dedicated to the Public Domain. + * http://creativecommons.org/publicdomain/zero/1.0/ + */ + +const Cc = Components.classes; +const Ci = Components.interfaces; +const Cu = Components.utils; + +Cu.import("resource://gre/modules/Services.jsm"); +Cu.import("resource://gre/modules/XPCOMUtils.jsm"); + +var gWorkerAndCallback = { + _worker: null, + _callback: null, + + _ensureStarted: function() { + if (!this._worker) { + throw new Error("Not yet started!"); + } + }, + + start: function() { + if (!this._worker) { + var worker = new Worker("chrome://worker/content/worker.js"); + worker.onerror = function(event) { + Cu.reportError(event.message); + event.preventDefault(); + }; + + this._worker = worker; + } + }, + + stop: function() { + if (this._worker) { + try { + this.terminate(); + } + catch(e) { + Cu.reportError(e); + } + this._worker = null; + } + }, + + set callback(val) { + this._ensureStarted(); + if (val) { + var callback = val.QueryInterface(Ci.nsIWorkerTestCallback); + if (this.callback != callback) { + this._worker.onmessage = function(event) { + callback.onmessage(event.data); + }; + this._worker.onerror = function(event) { + callback.onerror(event.message); + event.preventDefault(); + }; + this._callback = callback; + } + } + else { + this._worker.onmessage = null; + this._worker.onerror = null; + this._callback = null; + } + }, + + get callback() { + return this._callback; + }, + + postMessage: function(data) { + this._ensureStarted(); + this._worker.postMessage(data); + }, + + terminate: function() { + this._ensureStarted(); + this._worker.terminate(); + this.callback = null; + } +}; + +function WorkerTest() { +} +WorkerTest.prototype = { + observe: function(subject, topic, data) { + switch(topic) { + case "profile-after-change": + gWorkerAndCallback.start(); + Services.obs.addObserver(this, "profile-before-change", false); + break; + case "profile-before-change": + gWorkerAndCallback.stop(); + break; + default: + Cu.reportError("Unknown topic: " + topic); + } + }, + + set callback(val) { + gWorkerAndCallback.callback = val; + }, + + get callback() { + return gWorkerAndCallback.callback; + }, + + postMessage: function(message) { + gWorkerAndCallback.postMessage(message); + }, + + terminate: function() { + gWorkerAndCallback.terminate(); + }, + + QueryInterface: XPCOMUtils.generateQI([Ci.nsIObserver, Ci.nsIWorkerTest]), + classID: Components.ID("{3b52b935-551f-4606-ba4c-decc18b67bfd}") +}; + +this.NSGetFactory = XPCOMUtils.generateNSGetFactory([WorkerTest]); |