The Tor Browser / file comparison
comparison: addon-sdk/source/lib/sdk/l10n/loader.js
addon-sdk/source/lib/sdk/l10n/loader.js
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:c09b5dddb984 |
|---|---|
| 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 "use strict"; | |
| 5 | |
| 6 module.metadata = { | |
| 7 "stability": "unstable" | |
| 8 }; | |
| 9 | |
| 10 const { Cc, Ci } = require("chrome"); | |
| 11 const { getPreferedLocales, findClosestLocale } = require("./locale"); | |
| 12 const { readURI } = require("../net/url"); | |
| 13 const { resolve } = require("../core/promise"); | |
| 14 | |
| 15 function parseJsonURI(uri) { | |
| 16 return readURI(uri). | |
| 17 then(JSON.parse). | |
| 18 then(null, function (error) { | |
| 19 throw Error("Failed to parse locale file:\n" + uri + "\n" + error); | |
| 20 }); | |
| 21 } | |
| 22 | |
| 23 // Returns the array stored in `locales.json` manifest that list available | |
| 24 // locales files | |
| 25 function getAvailableLocales(rootURI) { | |
| 26 let uri = rootURI + "locales.json"; | |
| 27 return parseJsonURI(uri).then(function (manifest) { | |
| 28 return "locales" in manifest && | |
| 29 Array.isArray(manifest.locales) ? | |
| 30 manifest.locales : []; | |
| 31 }); | |
| 32 } | |
| 33 | |
| 34 // Returns URI of the best locales file to use from the XPI | |
| 35 function getBestLocale(rootURI) { | |
| 36 // Read localization manifest file that contains list of available languages | |
| 37 return getAvailableLocales(rootURI).then(function (availableLocales) { | |
| 38 // Retrieve list of prefered locales to use | |
| 39 let preferedLocales = getPreferedLocales(); | |
| 40 | |
| 41 // Compute the most preferable locale to use by using these two lists | |
| 42 return findClosestLocale(availableLocales, preferedLocales); | |
| 43 }); | |
| 44 } | |
| 45 | |
| 46 /** | |
| 47 * Read localization files and returns a promise of data to put in `@l10n/data` | |
| 48 * pseudo module, in order to allow l10n/json/core to fetch it. | |
| 49 */ | |
| 50 exports.load = function load(rootURI) { | |
| 51 // First, search for a locale file: | |
| 52 return getBestLocale(rootURI).then(function (bestMatchingLocale) { | |
| 53 // It may be null if the addon doesn't have any locale file | |
| 54 if (!bestMatchingLocale) | |
| 55 return resolve(null); | |
| 56 | |
| 57 let localeURI = rootURI + "locale/" + bestMatchingLocale + ".json"; | |
| 58 | |
| 59 // Locale files only contains one big JSON object that is used as | |
| 60 // an hashtable of: "key to translate" => "translated key" | |
| 61 // TODO: We are likely to change this in order to be able to overload | |
| 62 // a specific key translation. For a specific package, module or line? | |
| 63 return parseJsonURI(localeURI).then(function (json) { | |
| 64 return { | |
| 65 hash: json, | |
| 66 bestMatchingLocale: bestMatchingLocale | |
| 67 }; | |
| 68 }); | |
| 69 }); | |
| 70 } |
