The Tor Browser / file comparison
comparison: dom/workers/test/extensions/traditional/WorkerTest.js
dom/workers/test/extensions/traditional/WorkerTest.js
- changeset 0
- 6474c204b198
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| -1:000000000000 | 0:76f078eb564b |
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| 1 /** | |
| 2 * Any copyright is dedicated to the Public Domain. | |
| 3 * http://creativecommons.org/publicdomain/zero/1.0/ | |
| 4 */ | |
| 5 | |
| 6 const Cc = Components.classes; | |
| 7 const Ci = Components.interfaces; | |
| 8 const Cu = Components.utils; | |
| 9 | |
| 10 Cu.import("resource://gre/modules/Services.jsm"); | |
| 11 Cu.import("resource://gre/modules/XPCOMUtils.jsm"); | |
| 12 | |
| 13 var gWorkerAndCallback = { | |
| 14 _worker: null, | |
| 15 _callback: null, | |
| 16 | |
| 17 _ensureStarted: function() { | |
| 18 if (!this._worker) { | |
| 19 throw new Error("Not yet started!"); | |
| 20 } | |
| 21 }, | |
| 22 | |
| 23 start: function() { | |
| 24 if (!this._worker) { | |
| 25 var file = __LOCATION__.parent.parent; | |
| 26 var fileuri = file.isDirectory() ? | |
| 27 Services.io.newFileURI(file) : | |
| 28 Services.io.newURI('jar:' + file.path + '!/', null, null); | |
| 29 var resourceName = "worker-test"; | |
| 30 | |
| 31 Services.io.getProtocolHandler("resource"). | |
| 32 QueryInterface(Ci.nsIResProtocolHandler). | |
| 33 setSubstitution(resourceName, fileuri); | |
| 34 | |
| 35 var worker = new Worker("resource://" + resourceName + "/worker.js"); | |
| 36 worker.onerror = function(event) { | |
| 37 Cu.reportError(event.message); | |
| 38 event.preventDefault(); | |
| 39 }; | |
| 40 | |
| 41 this._worker = worker; | |
| 42 } | |
| 43 }, | |
| 44 | |
| 45 stop: function() { | |
| 46 if (this._worker) { | |
| 47 try { | |
| 48 this.terminate(); | |
| 49 } | |
| 50 catch(e) { | |
| 51 Cu.reportError(e); | |
| 52 } | |
| 53 this._worker = null; | |
| 54 } | |
| 55 }, | |
| 56 | |
| 57 set callback(val) { | |
| 58 this._ensureStarted(); | |
| 59 if (val) { | |
| 60 var callback = val.QueryInterface(Ci.nsIWorkerTestCallback); | |
| 61 if (this.callback != callback) { | |
| 62 this._worker.onmessage = function(event) { | |
| 63 callback.onmessage(event.data); | |
| 64 }; | |
| 65 this._worker.onerror = function(event) { | |
| 66 callback.onerror(event.message); | |
| 67 event.preventDefault(); | |
| 68 }; | |
| 69 this._callback = callback; | |
| 70 } | |
| 71 } | |
| 72 else { | |
| 73 this._worker.onmessage = null; | |
| 74 this._worker.onerror = null; | |
| 75 this._callback = null; | |
| 76 } | |
| 77 }, | |
| 78 | |
| 79 get callback() { | |
| 80 return this._callback; | |
| 81 }, | |
| 82 | |
| 83 postMessage: function(data) { | |
| 84 this._ensureStarted(); | |
| 85 this._worker.postMessage(data); | |
| 86 }, | |
| 87 | |
| 88 terminate: function() { | |
| 89 this._ensureStarted(); | |
| 90 this._worker.terminate(); | |
| 91 this.callback = null; | |
| 92 } | |
| 93 }; | |
| 94 | |
| 95 function WorkerTest() { | |
| 96 } | |
| 97 WorkerTest.prototype = { | |
| 98 observe: function(subject, topic, data) { | |
| 99 switch(topic) { | |
| 100 case "profile-after-change": | |
| 101 gWorkerAndCallback.start(); | |
| 102 Services.obs.addObserver(this, "profile-before-change", false); | |
| 103 break; | |
| 104 case "profile-before-change": | |
| 105 gWorkerAndCallback.stop(); | |
| 106 break; | |
| 107 default: | |
| 108 Cu.reportError("Unknown topic: " + topic); | |
| 109 } | |
| 110 }, | |
| 111 | |
| 112 set callback(val) { | |
| 113 gWorkerAndCallback.callback = val; | |
| 114 }, | |
| 115 | |
| 116 get callback() { | |
| 117 return gWorkerAndCallback.callback; | |
| 118 }, | |
| 119 | |
| 120 postMessage: function(message) { | |
| 121 gWorkerAndCallback.postMessage(message); | |
| 122 }, | |
| 123 | |
| 124 terminate: function() { | |
| 125 gWorkerAndCallback.terminate(); | |
| 126 }, | |
| 127 | |
| 128 QueryInterface: XPCOMUtils.generateQI([Ci.nsIObserver, Ci.nsIWorkerTest]), | |
| 129 classID: Components.ID("{3b52b935-551f-4606-ba4c-decc18b67bfd}") | |
| 130 }; | |
| 131 | |
| 132 this.NSGetFactory = XPCOMUtils.generateNSGetFactory([WorkerTest]); |
