The Tor Browser / file comparison
comparison: browser/devtools/app-manager/content/utils.js
browser/devtools/app-manager/content/utils.js
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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 /** | |
| 6 * | |
| 7 * Some helpers for common operations in the App Manager: | |
| 8 * | |
| 9 * . mergeStores: merge several store into one. | |
| 10 * . l10n: resolves strings from app-manager.properties. | |
| 11 * | |
| 12 */ | |
| 13 | |
| 14 let Utils = (function() { | |
| 15 const Cu = Components.utils; | |
| 16 const {Services} = Cu.import("resource://gre/modules/Services.jsm", {}); | |
| 17 const {devtools} = Cu.import("resource://gre/modules/devtools/Loader.jsm", {}); | |
| 18 const {require} = devtools; | |
| 19 const EventEmitter = require("devtools/toolkit/event-emitter"); | |
| 20 | |
| 21 | |
| 22 function _createSetEventForwarder(key, finalStore) { | |
| 23 return function(event, path, value) { | |
| 24 finalStore.emit("set", [key].concat(path), value); | |
| 25 }; | |
| 26 } | |
| 27 | |
| 28 function mergeStores(stores) { | |
| 29 let finalStore = {object:{}}; | |
| 30 | |
| 31 EventEmitter.decorate(finalStore); | |
| 32 | |
| 33 let setEventForwarders = {}; | |
| 34 | |
| 35 for (let key in stores) { | |
| 36 let store = stores[key]; | |
| 37 finalStore.object[key] = store.object; | |
| 38 setEventForwarders[key] = _createSetEventForwarder(key, finalStore); | |
| 39 store.on("set", setEventForwarders[key]); | |
| 40 } | |
| 41 | |
| 42 finalStore.destroy = () => { | |
| 43 for (let key in stores) { | |
| 44 let store = stores[key]; | |
| 45 store.off("set", setEventForwarders[key]); | |
| 46 if (store.destroy) { | |
| 47 store.destroy(); | |
| 48 } | |
| 49 } | |
| 50 }; | |
| 51 | |
| 52 return finalStore; | |
| 53 } | |
| 54 | |
| 55 | |
| 56 let strings = Services.strings.createBundle("chrome://browser/locale/devtools/app-manager.properties"); | |
| 57 | |
| 58 function l10n (property, args = []) { | |
| 59 if (args && args.length > 0) { | |
| 60 return strings.formatStringFromName(property, args, args.length); | |
| 61 } else { | |
| 62 return strings.GetStringFromName(property); | |
| 63 } | |
| 64 } | |
| 65 | |
| 66 return { | |
| 67 mergeStores: mergeStores, | |
| 68 l10n: l10n | |
| 69 } | |
| 70 })(); |
