113 lines
4.6 KiB
C#
113 lines
4.6 KiB
C#
using System;
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using System.Diagnostics;
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using System.Globalization;
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using Bit.App.Abstractions;
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using Bit.App.Models;
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namespace Bit.Droid.Services
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{
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public class LocalizeService : ILocalizeService
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{
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public CultureInfo GetCurrentCultureInfo()
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{
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var netLanguage = "en";
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var androidLocale = Java.Util.Locale.Default;
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netLanguage = AndroidToDotnetLanguage(androidLocale.ToString().Replace("_", "-"));
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// This gets called a lot - try/catch can be expensive so consider caching or something
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CultureInfo ci = null;
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try
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{
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ci = new CultureInfo(netLanguage);
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}
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catch (CultureNotFoundException e1)
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{
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// iOS locale not valid .NET culture (eg. "en-ES" : English in Spain)
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// fallback to first characters, in this case "en"
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try
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{
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var fallback = ToDotnetFallbackLanguage(new PlatformCulture(netLanguage));
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Debug.WriteLine(netLanguage + " failed, trying " + fallback + " (" + e1.Message + ")");
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ci = new CultureInfo(fallback);
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}
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catch (CultureNotFoundException e2)
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{
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// iOS language not valid .NET culture, falling back to English
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Debug.WriteLine(netLanguage + " couldn't be set, using 'en' (" + e2.Message + ")");
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ci = new CultureInfo("en");
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}
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}
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return ci;
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}
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private string AndroidToDotnetLanguage(string androidLanguage)
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{
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Debug.WriteLine("Android Language:" + androidLanguage);
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var netLanguage = androidLanguage;
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if (androidLanguage.StartsWith("zh"))
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{
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if (androidLanguage.Contains("Hant") || androidLanguage.Contains("TW") ||
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androidLanguage.Contains("HK") || androidLanguage.Contains("MO"))
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{
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netLanguage = "zh-Hant";
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}
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else
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{
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netLanguage = "zh-Hans";
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}
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}
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else if (androidLanguage.StartsWith("iw"))
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{
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// Uncomment when we support RTL
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// netLanguage = "he";
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}
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else
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{
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// Certain languages need to be converted to CultureInfo equivalent
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switch (androidLanguage)
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{
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case "ms-BN": // "Malaysian (Brunei)" not supported .NET culture
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case "ms-MY": // "Malaysian (Malaysia)" not supported .NET culture
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case "ms-SG": // "Malaysian (Singapore)" not supported .NET culture
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netLanguage = "ms"; // closest supported
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break;
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case "in-ID": // "Indonesian (Indonesia)" has different code in .NET
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netLanguage = "id-ID"; // correct code for .NET
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break;
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case "gsw-CH": // "Schwiizertüütsch (Swiss German)" not supported .NET culture
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netLanguage = "de-CH"; // closest supported
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break;
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// add more application-specific cases here (if required)
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// ONLY use cultures that have been tested and known to work
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}
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}
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Debug.WriteLine(".NET Language/Locale:" + netLanguage);
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return netLanguage;
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}
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private string ToDotnetFallbackLanguage(PlatformCulture platCulture)
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{
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Debug.WriteLine(".NET Fallback Language:" + platCulture.LanguageCode);
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var netLanguage = platCulture.LanguageCode; // use the first part of the identifier (two chars, usually);
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switch (platCulture.LanguageCode)
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{
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case "gsw":
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netLanguage = "de-CH"; // equivalent to German (Switzerland) for this app
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break;
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// add more application-specific cases here (if required)
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// ONLY use cultures that have been tested and known to work
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}
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Debug.WriteLine(".NET Fallback Language/Locale:" + netLanguage + " (application-specific)");
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return netLanguage;
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}
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public string GetLocaleShortDate(DateTime? date)
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{
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return date?.ToShortDateString() ?? string.Empty;
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}
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public string GetLocaleShortTime(DateTime? time)
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{
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return time?.ToShortTimeString() ?? string.Empty;
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}
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}
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} |