зеркало из https://github.com/mozilla/gecko-dev.git
120 строки
3.4 KiB
JavaScript
120 строки
3.4 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
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const Cc = Components.classes;
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const Ci = Components.interfaces;
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const mozIntlHelper =
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Cc["@mozilla.org/mozintlhelper;1"].getService(Ci.mozIMozIntlHelper);
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const localeSvc =
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Cc["@mozilla.org/intl/localeservice;1"].getService(Ci.mozILocaleService);
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const osPrefs =
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Cc["@mozilla.org/intl/ospreferences;1"].getService(Ci.mozIOSPreferences);
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/**
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* This helper function retrives currently used app locales, allowing
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* all mozIntl APIs to use the current app locales unless called with
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* explicitly listed locales.
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*/
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function getLocales(locales) {
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if (!locales) {
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return localeSvc.getAppLocalesAsBCP47();
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}
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return locales;
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}
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function getLocale(locales) {
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if (!locales) {
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return localeSvc.getAppLocale();
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}
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if (Array.isArray(locales)) {
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return [0];
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}
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return locales;
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}
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function getDateTimePatternStyle(option) {
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switch (option) {
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case "full":
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return osPrefs.dateTimeFormatStyleFull;
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case "long":
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return osPrefs.dateTimeFormatStyleLong;
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case "medium":
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return osPrefs.dateTimeFormatStyleMedium;
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case "short":
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return osPrefs.dateTimeFormatStyleShort;
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default:
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return osPrefs.dateTimeFormatStyleNone;
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}
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}
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class MozIntl {
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constructor() {
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this._cache = {};
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}
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getCalendarInfo(locales, ...args) {
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if (!this._cache.hasOwnProperty("getCalendarInfo")) {
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mozIntlHelper.addGetCalendarInfo(this._cache);
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}
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return this._cache.getCalendarInfo(getLocales(locales), ...args);
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}
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getDisplayNames(locales, ...args) {
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if (!this._cache.hasOwnProperty("getDisplayNames")) {
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mozIntlHelper.addGetDisplayNames(this._cache);
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}
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return this._cache.getDisplayNames(getLocales(locales), ...args);
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}
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getLocaleInfo(locales, ...args) {
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if (!this._cache.hasOwnProperty("getLocaleInfo")) {
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mozIntlHelper.addGetLocaleInfo(this._cache);
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}
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return this._cache.getLocaleInfo(getLocales(locales), ...args);
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}
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createPluralRules(locales, ...args) {
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if (!this._cache.hasOwnProperty("PluralRules")) {
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mozIntlHelper.addPluralRulesConstructor(this._cache);
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}
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return new this._cache.PluralRules(getLocales(locales), ...args);
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}
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createDateTimeFormat(locales, options, ...args) {
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if (!this._cache.hasOwnProperty("DateTimeFormat")) {
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mozIntlHelper.addDateTimeFormatConstructor(this._cache);
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}
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let resolvedLocales =
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this._cache.DateTimeFormat.supportedLocalesOf(getLocales(locales));
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if (options) {
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if (options.dateStyle || options.timeStyle) {
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options.pattern = osPrefs.getDateTimePattern(
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getDateTimePatternStyle(options.dateStyle),
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getDateTimePatternStyle(options.timeStyle),
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resolvedLocales[0]);
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} else {
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// make sure that user doesn't pass a pattern explicitly
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options.pattern = undefined;
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}
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}
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return new this._cache.DateTimeFormat(resolvedLocales, options, ...args);
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}
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}
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MozIntl.prototype.classID = Components.ID("{35ec195a-e8d0-4300-83af-c8a2cc84b4a3}");
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MozIntl.prototype.QueryInterface = XPCOMUtils.generateQI([Ci.mozIMozIntl, Ci.nsISupports]);
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var components = [MozIntl];
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this.NSGetFactory = XPCOMUtils.generateNSGetFactory(components);
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