The Tor Browser / file comparison
comparison: toolkit/modules/Timer.jsm
toolkit/modules/Timer.jsm
- changeset 0
- 6474c204b198
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| -1:000000000000 | 0:062b63098c07 |
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| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 | |
| 5 "use strict"; | |
| 6 | |
| 7 /** | |
| 8 * JS module implementation of nsIDOMJSWindow.setTimeout and clearTimeout. | |
| 9 */ | |
| 10 | |
| 11 this.EXPORTED_SYMBOLS = ["setTimeout", "clearTimeout"]; | |
| 12 | |
| 13 const Cc = Components.classes; | |
| 14 const Ci = Components.interfaces; | |
| 15 const Cu = Components.utils; | |
| 16 | |
| 17 Cu.import("resource://gre/modules/XPCOMUtils.jsm"); | |
| 18 | |
| 19 // This gives us >=2^30 unique timer IDs, enough for 1 per ms for 12.4 days. | |
| 20 let gNextTimeoutId = 1; // setTimeout must return a positive integer | |
| 21 | |
| 22 let gTimeoutTable = new Map(); // int -> nsITimer | |
| 23 | |
| 24 this.setTimeout = function setTimeout(aCallback, aMilliseconds) { | |
| 25 let id = gNextTimeoutId++; | |
| 26 let args = Array.slice(arguments, 2); | |
| 27 let timer = Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer); | |
| 28 timer.initWithCallback(function setTimeout_timer() { | |
| 29 gTimeoutTable.delete(id); | |
| 30 aCallback.apply(null, args); | |
| 31 }, aMilliseconds, timer.TYPE_ONE_SHOT); | |
| 32 | |
| 33 gTimeoutTable.set(id, timer); | |
| 34 return id; | |
| 35 } | |
| 36 | |
| 37 this.clearTimeout = function clearTimeout(aId) { | |
| 38 if (gTimeoutTable.has(aId)) { | |
| 39 gTimeoutTable.get(aId).cancel(); | |
| 40 gTimeoutTable.delete(aId); | |
| 41 } | |
| 42 } |
