125 lines
4.7 KiB
C#
125 lines
4.7 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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using Foundation;
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namespace Bit.iOS.Core.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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if (NSLocale.PreferredLanguages.Length > 0)
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{
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var pref = NSLocale.PreferredLanguages[0];
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netLanguage = iOSToDotnetLanguage(pref);
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}
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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 iOSToDotnetLanguage(string iOSLanguage)
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{
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Debug.WriteLine("iOS Language:" + iOSLanguage);
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var netLanguage = iOSLanguage;
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if (iOSLanguage.StartsWith("zh-Hant") || iOSLanguage.StartsWith("zh-HK"))
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{
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netLanguage = "zh-Hant";
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}
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else if (iOSLanguage.StartsWith("zh"))
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{
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netLanguage = "zh-Hans";
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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 (iOSLanguage)
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{
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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 "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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case "pt":
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netLanguage = "pt-BR"; // iOS default (pt) = Portuguese (Brasil)
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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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// Use the first part of the identifier (two chars, usually);
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var netLanguage = platCulture.LanguageCode;
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switch (platCulture.LanguageCode)
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{
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case "pt":
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netLanguage = "pt-BR"; // fallback to Portuguese (Brasil)
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break;
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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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using (var df = new NSDateFormatter())
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{
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df.Locale = NSLocale.CurrentLocale;
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df.DateStyle = NSDateFormatterStyle.Short;
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return df.StringFor((NSDate)date);
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}
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}
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public string GetLocaleShortTime(DateTime? time)
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{
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using (var df = new NSDateFormatter())
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{
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df.Locale = NSLocale.CurrentLocale;
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df.TimeStyle = NSDateFormatterStyle.Short;
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return df.StringFor((NSDate)time);
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}
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}
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}
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} |