/* Copyright 2022 Tusky Contributors * * This file is a part of Tusky. * * This program is free software; you can redistribute it and/or modify it under the terms of the * GNU General Public License as published by the Free Software Foundation; either version 3 of the * License, or (at your option) any later version. * * Tusky is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General * Public License for more details. * * You should have received a copy of the GNU General Public License along with Tusky; if not, * see . */ package com.keylesspalace.tusky.util import android.util.Log import androidx.appcompat.app.AppCompatDelegate import androidx.core.os.LocaleListCompat import com.keylesspalace.tusky.db.AccountEntity import java.util.Locale private const val TAG: String = "LocaleUtils" private fun LocaleListCompat.toList(): List { val list = mutableListOf() for (index in 0 until this.size()) { this[index]?.let { list.add(it) } } return list } // Ensure that the locale whose code matches the given language is first in the list private fun ensureLanguagesAreFirst(locales: MutableList, languages: List) { for (language in languages.reversed()) { // Iterate prioritized languages in reverse to retain the order once bubbled to the top var currentLocaleIndex = locales.indexOfFirst { it.language == language } if (currentLocaleIndex < 0) { // Recheck against modern language codes // This should only happen when replying or when the per-account post language is set // to a modern code currentLocaleIndex = locales.indexOfFirst { it.modernLanguageCode == language } if (currentLocaleIndex < 0) { // This can happen when: // - Your per-account posting language is set to one android doesn't know (e.g. toki pona) // - Replying to a post in a language android doesn't know locales.add(0, Locale(language)) Log.w(TAG, "Attempting to use unknown language tag '$language'") continue } } if (currentLocaleIndex > 0) { // Move preselected locale to the top locales.add(0, locales.removeAt(currentLocaleIndex)) } } } fun getInitialLanguages( language: String? = null, activeAccount: AccountEntity? = null ): List { val selected = listOfNotNull(language, activeAccount?.defaultPostLanguage) val system = AppCompatDelegate.getApplicationLocales().toList() + LocaleListCompat.getDefault().toList() return (selected + system.map { it.language }).distinct().filter { it.isNotEmpty() } } fun getLocaleList(initialLanguages: List): List { val locales = Locale.getAvailableLocales().filter { // Only "base" languages, "en" but not "en_DK" it.country.isNullOrEmpty() && it.script.isNullOrEmpty() && it.variant.isNullOrEmpty() }.sortedBy { it.displayName }.toMutableList() ensureLanguagesAreFirst(locales, initialLanguages) return locales } fun localeNameForUntrustedISO639LangCode(code: String): String { // It seems like it never throws? return Locale(code).displayName }