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Diffstat (limited to 'addon-sdk/source/lib/sdk/l10n/locale.js')
-rw-r--r-- | addon-sdk/source/lib/sdk/l10n/locale.js | 127 |
1 files changed, 0 insertions, 127 deletions
diff --git a/addon-sdk/source/lib/sdk/l10n/locale.js b/addon-sdk/source/lib/sdk/l10n/locale.js deleted file mode 100644 index 950b33b20..000000000 --- a/addon-sdk/source/lib/sdk/l10n/locale.js +++ /dev/null @@ -1,127 +0,0 @@ -/* This Source Code Form is subject to the terms of the Mozilla Public - * License, v. 2.0. If a copy of the MPL was not distributed with this - * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ -"use strict"; - -module.metadata = { - "stability": "unstable" -}; - -const prefs = require("../preferences/service"); -const { Cu, Cc, Ci } = require("chrome"); -const { Services } = Cu.import("resource://gre/modules/Services.jsm"); - -/** - * Gets the currently selected locale for display. - * Gets all usable locale that we can use sorted by priority of relevance - * @return Array of locales, begins with highest priority - */ -const PREF_MATCH_OS_LOCALE = "intl.locale.matchOS"; -const PREF_SELECTED_LOCALE = "general.useragent.locale"; -const PREF_ACCEPT_LANGUAGES = "intl.accept_languages"; - -function getPreferedLocales(caseSensitve) { - let locales = []; - function addLocale(locale) { - locale = locale.trim(); - if (!caseSensitve) - locale = locale.toLowerCase(); - if (locales.indexOf(locale) === -1) - locales.push(locale); - } - - // Most important locale is OS one. But we use it, only if - // "intl.locale.matchOS" pref is set to `true`. - // Currently only used for multi-locales mobile builds. - // http://mxr.mozilla.org/mozilla-central/source/mobile/android/installer/Makefile.in#46 - if (prefs.get(PREF_MATCH_OS_LOCALE, false)) { - let localeService = Cc["@mozilla.org/intl/nslocaleservice;1"]. - getService(Ci.nsILocaleService); - let osLocale = localeService.getLocaleComponentForUserAgent(); - addLocale(osLocale); - } - - // In some cases, mainly on Fennec and on Linux version, - // `general.useragent.locale` is a special 'localized' value, like: - // "chrome://global/locale/intl.properties" - let browserUiLocale = prefs.getLocalized(PREF_SELECTED_LOCALE, "") || - prefs.get(PREF_SELECTED_LOCALE, ""); - if (browserUiLocale) - addLocale(browserUiLocale); - - // Third priority is the list of locales used for web content - let contentLocales = prefs.getLocalized(PREF_ACCEPT_LANGUAGES, "") || - prefs.get(PREF_ACCEPT_LANGUAGES, ""); - if (contentLocales) { - // This list is a string of locales seperated by commas. - // There is spaces after commas, so strip each item - for (let locale of contentLocales.split(",")) - addLocale(locale.replace(/(^\s+)|(\s+$)/g, "")); - } - - // Finally, we ensure that en-US is the final fallback if it wasn't added - addLocale("en-US"); - - return locales; -} -exports.getPreferedLocales = getPreferedLocales; - -/** - * Selects the closest matching locale from a list of locales. - * - * @param aLocales - * An array of available locales - * @param aMatchLocales - * An array of prefered locales, ordered by priority. Most wanted first. - * Locales have to be in lowercase. - * If null, uses getPreferedLocales() results - * @return the best match for the currently selected locale - * - * Stolen from http://dxr.mozilla.org/mozilla-central/source/toolkit/mozapps/extensions/internal/XPIProvider.jsm - */ -exports.findClosestLocale = function findClosestLocale(aLocales, aMatchLocales) { - aMatchLocales = aMatchLocales || getPreferedLocales(); - - // Holds the best matching localized resource - let bestmatch = null; - // The number of locale parts it matched with - let bestmatchcount = 0; - // The number of locale parts in the match - let bestpartcount = 0; - - for (let locale of aMatchLocales) { - let lparts = locale.split("-"); - for (let localized of aLocales) { - let found = localized.toLowerCase(); - // Exact match is returned immediately - if (locale == found) - return localized; - - let fparts = found.split("-"); - /* If we have found a possible match and this one isn't any longer - then we dont need to check further. */ - if (bestmatch && fparts.length < bestmatchcount) - continue; - - // Count the number of parts that match - let maxmatchcount = Math.min(fparts.length, lparts.length); - let matchcount = 0; - while (matchcount < maxmatchcount && - fparts[matchcount] == lparts[matchcount]) - matchcount++; - - /* If we matched more than the last best match or matched the same and - this locale is less specific than the last best match. */ - if (matchcount > bestmatchcount || - (matchcount == bestmatchcount && fparts.length < bestpartcount)) { - bestmatch = localized; - bestmatchcount = matchcount; - bestpartcount = fparts.length; - } - } - // If we found a valid match for this locale return it - if (bestmatch) - return bestmatch; - } - return null; -} |