| /* |
| * Copyright (C) 2016 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.internal.app; |
| |
| import android.annotation.IntDef; |
| import android.app.LocaleManager; |
| import android.compat.annotation.UnsupportedAppUsage; |
| import android.content.Context; |
| import android.os.LocaleList; |
| import android.provider.Settings; |
| import android.telephony.TelephonyManager; |
| import android.text.TextUtils; |
| import android.util.Log; |
| import android.view.inputmethod.InputMethodSubtype; |
| |
| import com.android.internal.annotations.VisibleForTesting; |
| |
| import java.io.Serializable; |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| import java.util.Collection; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.IllformedLocaleException; |
| import java.util.List; |
| import java.util.Locale; |
| import java.util.Set; |
| |
| public class LocaleStore { |
| private static final int TIER_LANGUAGE = 1; |
| private static final int TIER_REGION = 2; |
| private static final int TIER_NUMBERING = 3; |
| private static final HashMap<String, LocaleInfo> sLocaleCache = new HashMap<>(); |
| private static final String TAG = LocaleStore.class.getSimpleName(); |
| private static boolean sFullyInitialized = false; |
| |
| public static class LocaleInfo implements Serializable { |
| public static final int SUGGESTION_TYPE_NONE = 0; |
| // A mask used to identify the suggested locale is from SIM. |
| public static final int SUGGESTION_TYPE_SIM = 1 << 0; |
| // A mask used to identify the suggested locale is from the config. |
| public static final int SUGGESTION_TYPE_CFG = 1 << 1; |
| // Only for per-app language picker |
| // A mask used to identify the suggested locale is from the same application's current |
| // configured locale. |
| public static final int SUGGESTION_TYPE_CURRENT = 1 << 2; |
| // Only for per-app language picker |
| // A mask used to identify the suggested locale is the system default language. |
| public static final int SUGGESTION_TYPE_SYSTEM_LANGUAGE = 1 << 3; |
| // Only for per-app language picker |
| // A mask used to identify the suggested locale is from other applications' configured |
| // locales. |
| public static final int SUGGESTION_TYPE_OTHER_APP_LANGUAGE = 1 << 4; |
| // Only for per-app language picker |
| // A mask used to identify the suggested locale is what the active IME supports. |
| public static final int SUGGESTION_TYPE_IME_LANGUAGE = 1 << 5; |
| // Only for per-app language picker |
| // A mask used to identify the suggested locale is in the current system languages. |
| public static final int SUGGESTION_TYPE_SYSTEM_AVAILABLE_LANGUAGE = 1 << 6; |
| /** @hide */ |
| @IntDef(prefix = { "SUGGESTION_TYPE_" }, value = { |
| SUGGESTION_TYPE_NONE, |
| SUGGESTION_TYPE_SIM, |
| SUGGESTION_TYPE_CFG, |
| SUGGESTION_TYPE_CURRENT, |
| SUGGESTION_TYPE_SYSTEM_LANGUAGE, |
| SUGGESTION_TYPE_OTHER_APP_LANGUAGE, |
| SUGGESTION_TYPE_IME_LANGUAGE, |
| SUGGESTION_TYPE_SYSTEM_AVAILABLE_LANGUAGE |
| }) |
| @Retention(RetentionPolicy.SOURCE) |
| public @interface SuggestionType {} |
| |
| private final Locale mLocale; |
| private final Locale mParent; |
| private final String mId; |
| private boolean mIsTranslated; |
| private boolean mIsPseudo; |
| private boolean mIsChecked; // Used by the LocaleListEditor to mark entries for deletion |
| // Combination of flags for various reasons to show a locale as a suggestion. |
| // Can be SIM, location, etc. |
| // Set to public to be accessible during runtime from the test app. |
| @VisibleForTesting public int mSuggestionFlags; |
| |
| private String mFullNameNative; |
| private String mFullCountryNameNative; |
| private String mLangScriptKey; |
| |
| private boolean mHasNumberingSystems; |
| |
| private LocaleInfo(Locale locale) { |
| this.mLocale = locale; |
| this.mId = locale.toLanguageTag(); |
| this.mParent = getParent(locale); |
| this.mHasNumberingSystems = false; |
| this.mIsChecked = false; |
| this.mSuggestionFlags = SUGGESTION_TYPE_NONE; |
| this.mIsTranslated = false; |
| this.mIsPseudo = false; |
| } |
| |
| private LocaleInfo(String localeId) { |
| this(Locale.forLanguageTag(localeId)); |
| } |
| |
| private LocaleInfo(LocaleInfo localeInfo) { |
| this.mLocale = localeInfo.getLocale(); |
| this.mId = localeInfo.getId(); |
| this.mParent = localeInfo.getParent(); |
| this.mHasNumberingSystems = localeInfo.mHasNumberingSystems; |
| this.mIsChecked = localeInfo.getChecked(); |
| this.mSuggestionFlags = localeInfo.mSuggestionFlags; |
| this.mIsTranslated = localeInfo.isTranslated(); |
| this.mIsPseudo = localeInfo.mIsPseudo; |
| } |
| |
| private static Locale getParent(Locale locale) { |
| if (locale.getCountry().isEmpty()) { |
| return null; |
| } |
| return new Locale.Builder() |
| .setLocale(locale) |
| .setRegion("") |
| .setExtension(Locale.UNICODE_LOCALE_EXTENSION, "") |
| .build(); |
| } |
| |
| /** Return true if there are any same locales with different numbering system. */ |
| public boolean hasNumberingSystems() { |
| return mHasNumberingSystems; |
| } |
| |
| @Override |
| public String toString() { |
| return mId; |
| } |
| |
| @UnsupportedAppUsage |
| public Locale getLocale() { |
| return mLocale; |
| } |
| |
| @UnsupportedAppUsage |
| public Locale getParent() { |
| return mParent; |
| } |
| |
| /** |
| * TODO: This method may rename to be more generic i.e. toLanguageTag(). |
| */ |
| @UnsupportedAppUsage |
| public String getId() { |
| return mId; |
| } |
| |
| public boolean isTranslated() { |
| return mIsTranslated; |
| } |
| |
| public void setTranslated(boolean isTranslated) { |
| mIsTranslated = isTranslated; |
| } |
| |
| public boolean isSuggested() { |
| if (!mIsTranslated) { // Never suggest an untranslated locale |
| return false; |
| } |
| return mSuggestionFlags != SUGGESTION_TYPE_NONE; |
| } |
| |
| /** |
| * Check whether the LocaleInfo is suggested by a specific mask |
| * |
| * @param suggestionMask The mask which is used to identify the suggestion flag. |
| * @return true if the locale is suggested by a specific suggestion flag. Otherwise, false. |
| */ |
| public boolean isSuggestionOfType(int suggestionMask) { |
| if (!mIsTranslated) { // Never suggest an untranslated locale |
| return false; |
| } |
| return (mSuggestionFlags & suggestionMask) == suggestionMask; |
| } |
| |
| /** |
| * Extend the locale's suggestion type |
| * |
| * @param suggestionMask The mask to extend the suggestion flag |
| */ |
| public void extendSuggestionOfType(@SuggestionType int suggestionMask) { |
| if (!mIsTranslated) { // Never suggest an untranslated locale |
| return; |
| } |
| mSuggestionFlags |= suggestionMask; |
| } |
| |
| @UnsupportedAppUsage |
| public String getFullNameNative() { |
| if (mFullNameNative == null) { |
| Locale locale = mLocale.stripExtensions(); |
| mFullNameNative = |
| LocaleHelper.getDisplayName(locale, locale, true /* sentence case */); |
| } |
| return mFullNameNative; |
| } |
| |
| public String getFullCountryNameNative() { |
| if (mFullCountryNameNative == null) { |
| mFullCountryNameNative = LocaleHelper.getDisplayCountry(mLocale, mLocale); |
| } |
| return mFullCountryNameNative; |
| } |
| |
| String getFullCountryNameInUiLanguage() { |
| // We don't cache the UI name because the default locale keeps changing |
| return LocaleHelper.getDisplayCountry(mLocale); |
| } |
| |
| /** Returns the name of the locale in the language of the UI. |
| * It is used for search, but never shown. |
| * For instance German will show as "Deutsch" in the list, but we will also search for |
| * "allemand" if the system UI is in French. |
| */ |
| @UnsupportedAppUsage |
| public String getFullNameInUiLanguage() { |
| Locale locale = mLocale.stripExtensions(); |
| // We don't cache the UI name because the default locale keeps changing |
| return LocaleHelper.getDisplayName(locale, true /* sentence case */); |
| } |
| |
| private String getLangScriptKey() { |
| if (mLangScriptKey == null) { |
| Locale baseLocale = new Locale.Builder() |
| .setLocale(mLocale) |
| .setExtension(Locale.UNICODE_LOCALE_EXTENSION, "") |
| .build(); |
| Locale parentWithScript = getParent(LocaleHelper.addLikelySubtags(baseLocale)); |
| mLangScriptKey = |
| (parentWithScript == null) |
| ? mLocale.toLanguageTag() |
| : parentWithScript.toLanguageTag(); |
| } |
| return mLangScriptKey; |
| } |
| |
| String getLabel(boolean countryMode) { |
| if (countryMode) { |
| return getFullCountryNameNative(); |
| } else { |
| return getFullNameNative(); |
| } |
| } |
| |
| String getNumberingSystem() { |
| return LocaleHelper.getDisplayNumberingSystemKeyValue(mLocale, mLocale); |
| } |
| |
| String getContentDescription(boolean countryMode) { |
| if (countryMode) { |
| return getFullCountryNameInUiLanguage(); |
| } else { |
| return getFullNameInUiLanguage(); |
| } |
| } |
| |
| public boolean getChecked() { |
| return mIsChecked; |
| } |
| |
| public void setChecked(boolean checked) { |
| mIsChecked = checked; |
| } |
| |
| public boolean isAppCurrentLocale() { |
| return (mSuggestionFlags & SUGGESTION_TYPE_CURRENT) > 0; |
| } |
| |
| public boolean isSystemLocale() { |
| return (mSuggestionFlags & SUGGESTION_TYPE_SYSTEM_LANGUAGE) > 0; |
| } |
| |
| public boolean isInCurrentSystemLocales() { |
| return (mSuggestionFlags & SUGGESTION_TYPE_SYSTEM_AVAILABLE_LANGUAGE) > 0; |
| } |
| } |
| |
| private static Set<String> getSimCountries(Context context) { |
| Set<String> result = new HashSet<>(); |
| |
| TelephonyManager tm = context.getSystemService(TelephonyManager.class); |
| |
| if (tm != null) { |
| String iso = tm.getSimCountryIso().toUpperCase(Locale.US); |
| if (!iso.isEmpty()) { |
| result.add(iso); |
| } |
| |
| iso = tm.getNetworkCountryIso().toUpperCase(Locale.US); |
| if (!iso.isEmpty()) { |
| result.add(iso); |
| } |
| } |
| |
| return result; |
| } |
| |
| /* |
| * This method is added for SetupWizard, to force an update of the suggested locales |
| * when the SIM is initialized. |
| * |
| * <p>When the device is freshly started, it sometimes gets to the language selection |
| * before the SIM is properly initialized. |
| * So at the time the cache is filled, the info from the SIM might not be available. |
| * The SetupWizard has a SimLocaleMonitor class to detect onSubscriptionsChanged events. |
| * SetupWizard will call this function when that happens.</p> |
| * |
| * <p>TODO: decide if it is worth moving such kind of monitoring in this shared code. |
| * The user might change the SIM or might cross border and connect to a network |
| * in a different country, without restarting the Settings application or the phone.</p> |
| */ |
| public static void updateSimCountries(Context context) { |
| Set<String> simCountries = getSimCountries(context); |
| |
| for (LocaleInfo li : sLocaleCache.values()) { |
| // This method sets the suggestion flags for the (new) SIM locales, but it does not |
| // try to clean up the old flags. After all, if the user replaces a German SIM |
| // with a French one, it is still possible that they are speaking German. |
| // So both French and German are reasonable suggestions. |
| if (simCountries.contains(li.getLocale().getCountry())) { |
| li.mSuggestionFlags |= LocaleInfo.SUGGESTION_TYPE_SIM; |
| } |
| } |
| } |
| |
| /** |
| * Get the application's activated locale. |
| * |
| * @param context UI activity's context. |
| * @param appPackageName The application's package name. |
| * @param isAppSelected True if the application is selected in the UI; false otherwise. |
| * @return A LocaleInfo with the application's activated locale. |
| */ |
| public static LocaleInfo getAppActivatedLocaleInfo(Context context, String appPackageName, |
| boolean isAppSelected) { |
| if (appPackageName == null) { |
| return null; |
| } |
| |
| LocaleManager localeManager = context.getSystemService(LocaleManager.class); |
| try { |
| LocaleList localeList = (localeManager == null) |
| ? null : localeManager.getApplicationLocales(appPackageName); |
| Locale locale = localeList == null ? null : localeList.get(0); |
| |
| if (locale != null) { |
| LocaleInfo cacheInfo = getLocaleInfo(locale, sLocaleCache); |
| LocaleInfo localeInfo = new LocaleInfo(cacheInfo); |
| if (isAppSelected) { |
| localeInfo.mSuggestionFlags |= LocaleInfo.SUGGESTION_TYPE_CURRENT; |
| } else { |
| localeInfo.mSuggestionFlags |= LocaleInfo.SUGGESTION_TYPE_OTHER_APP_LANGUAGE; |
| } |
| return localeInfo; |
| } |
| } catch (IllegalArgumentException e) { |
| Log.d(TAG, "IllegalArgumentException ", e); |
| } |
| return null; |
| } |
| |
| /** |
| * Transform IME's language tag to LocaleInfo. |
| * |
| * @param list A list which includes IME's subtype. |
| * @return A LocaleInfo set which includes IME's language tags. |
| */ |
| public static Set<LocaleInfo> transformImeLanguageTagToLocaleInfo( |
| List<InputMethodSubtype> list) { |
| Set<LocaleInfo> imeLocales = new HashSet<>(); |
| Set<String> languageTagSet = new HashSet<>(); |
| for (InputMethodSubtype subtype : list) { |
| String languageTag = subtype.getLanguageTag(); |
| if (!languageTagSet.contains(languageTag)) { |
| languageTagSet.add(languageTag); |
| Locale locale = Locale.forLanguageTag(languageTag); |
| LocaleInfo cacheInfo = getLocaleInfo(locale, sLocaleCache); |
| LocaleInfo localeInfo = new LocaleInfo(cacheInfo); |
| localeInfo.mSuggestionFlags |= LocaleInfo.SUGGESTION_TYPE_IME_LANGUAGE; |
| imeLocales.add(localeInfo); |
| } |
| } |
| return imeLocales; |
| } |
| |
| /** |
| * Returns a list of system locale that removes all extensions except for the numbering system. |
| */ |
| public static Set<LocaleInfo> getSystemCurrentLocales() { |
| Set<LocaleInfo> localeList = new HashSet<>(); |
| LocaleList systemLangList = LocaleList.getDefault(); |
| for(int i = 0; i < systemLangList.size(); i++) { |
| Locale sysLocale = getLocaleWithOnlyNumberingSystem(systemLangList.get(i)); |
| LocaleInfo cacheInfo = getLocaleInfo(sysLocale, sLocaleCache); |
| LocaleInfo localeInfo = new LocaleInfo(cacheInfo); |
| localeInfo.mSuggestionFlags |= LocaleInfo.SUGGESTION_TYPE_SYSTEM_AVAILABLE_LANGUAGE; |
| localeList.add(localeInfo); |
| } |
| return localeList; |
| } |
| |
| /** |
| * The "system default" is special case for per-app picker. Intentionally keep the locale |
| * empty to let activity know "system default" been selected. |
| */ |
| public static LocaleInfo getSystemDefaultLocaleInfo(boolean hasAppLanguage) { |
| LocaleInfo systemDefaultInfo = new LocaleInfo(""); |
| systemDefaultInfo.mSuggestionFlags |= LocaleInfo.SUGGESTION_TYPE_SYSTEM_LANGUAGE; |
| if (hasAppLanguage) { |
| systemDefaultInfo.mSuggestionFlags |= LocaleInfo.SUGGESTION_TYPE_CURRENT; |
| } |
| systemDefaultInfo.mIsTranslated = true; |
| return systemDefaultInfo; |
| } |
| |
| /* |
| * Show all the languages supported for a country in the suggested list. |
| * This is also handy for devices without SIM (tablets). |
| */ |
| private static void addSuggestedLocalesForRegion(Locale locale) { |
| if (locale == null) { |
| return; |
| } |
| final String country = locale.getCountry(); |
| if (country.isEmpty()) { |
| return; |
| } |
| |
| for (LocaleInfo li : sLocaleCache.values()) { |
| if (country.equals(li.getLocale().getCountry())) { |
| // We don't need to differentiate between manual and SIM suggestions |
| li.mSuggestionFlags |= LocaleInfo.SUGGESTION_TYPE_SIM; |
| } |
| } |
| } |
| |
| @UnsupportedAppUsage |
| public static void fillCache(Context context) { |
| if (sFullyInitialized) { |
| return; |
| } |
| |
| Set<String> simCountries = getSimCountries(context); |
| |
| final boolean isInDeveloperMode = Settings.Global.getInt(context.getContentResolver(), |
| Settings.Global.DEVELOPMENT_SETTINGS_ENABLED, 0) != 0; |
| Set<Locale> numberSystemLocaleList = new HashSet<>(); |
| for (String localeId : LocalePicker.getSupportedLocales(context)) { |
| if (Locale.forLanguageTag(localeId).getUnicodeLocaleType("nu") != null) { |
| numberSystemLocaleList.add(Locale.forLanguageTag(localeId)); |
| } |
| } |
| for (String localeId : LocalePicker.getSupportedLocales(context)) { |
| if (localeId.isEmpty()) { |
| throw new IllformedLocaleException("Bad locale entry in locale_config.xml"); |
| } |
| LocaleInfo li = new LocaleInfo(localeId); |
| |
| if (LocaleList.isPseudoLocale(li.getLocale())) { |
| if (isInDeveloperMode) { |
| li.setTranslated(true); |
| li.mIsPseudo = true; |
| li.mSuggestionFlags |= LocaleInfo.SUGGESTION_TYPE_SIM; |
| } else { |
| // Do not display pseudolocales unless in development mode. |
| continue; |
| } |
| } |
| |
| if (simCountries.contains(li.getLocale().getCountry())) { |
| li.mSuggestionFlags |= LocaleInfo.SUGGESTION_TYPE_SIM; |
| } |
| numberSystemLocaleList.forEach(l -> { |
| if (li.getLocale().stripExtensions().equals(l.stripExtensions())) { |
| li.mHasNumberingSystems = true; |
| } |
| }); |
| |
| sLocaleCache.put(li.getId(), li); |
| final Locale parent = li.getParent(); |
| if (parent != null) { |
| String parentId = parent.toLanguageTag(); |
| if (!sLocaleCache.containsKey(parentId)) { |
| sLocaleCache.put(parentId, new LocaleInfo(parent)); |
| } |
| } |
| } |
| |
| // TODO: See if we can reuse what LocaleList.matchScore does |
| final HashSet<String> localizedLocales = new HashSet<>(); |
| for (String localeId : LocalePicker.getSystemAssetLocales()) { |
| LocaleInfo li = new LocaleInfo(localeId); |
| final String country = li.getLocale().getCountry(); |
| // All this is to figure out if we should suggest a country |
| if (!country.isEmpty()) { |
| LocaleInfo cachedLocale = null; |
| if (sLocaleCache.containsKey(li.getId())) { // the simple case, e.g. fr-CH |
| cachedLocale = sLocaleCache.get(li.getId()); |
| } else { // e.g. zh-TW localized, zh-Hant-TW in cache |
| final String langScriptCtry = li.getLangScriptKey() + "-" + country; |
| if (sLocaleCache.containsKey(langScriptCtry)) { |
| cachedLocale = sLocaleCache.get(langScriptCtry); |
| } |
| } |
| if (cachedLocale != null) { |
| cachedLocale.mSuggestionFlags |= LocaleInfo.SUGGESTION_TYPE_CFG; |
| } |
| } |
| localizedLocales.add(li.getLangScriptKey()); |
| } |
| |
| for (LocaleInfo li : sLocaleCache.values()) { |
| li.setTranslated(localizedLocales.contains(li.getLangScriptKey())); |
| } |
| |
| addSuggestedLocalesForRegion(Locale.getDefault()); |
| |
| sFullyInitialized = true; |
| } |
| |
| private static boolean isShallIgnore( |
| Set<String> ignorables, LocaleInfo li, boolean translatedOnly) { |
| if (ignorables.stream().anyMatch(tag -> |
| Locale.forLanguageTag(tag).stripExtensions() |
| .equals(li.getLocale().stripExtensions()))) { |
| return true; |
| } |
| if (li.mIsPseudo) return false; |
| if (translatedOnly && !li.isTranslated()) return true; |
| if (li.getParent() != null) return false; |
| return true; |
| } |
| |
| private static int getLocaleTier(LocaleInfo parent) { |
| if (parent == null) { |
| return TIER_LANGUAGE; |
| } else if (parent.getLocale().getCountry().isEmpty()) { |
| return TIER_REGION; |
| } else { |
| return TIER_NUMBERING; |
| } |
| } |
| |
| /** |
| * Returns a list of locales for language or region selection. |
| * |
| * If the parent is null, then it is the language list. |
| * |
| * If it is not null, then the list will contain all the locales that belong to that parent. |
| * Example: if the parent is "ar", then the region list will contain all Arabic locales. |
| * (this is not language based, but language-script, so that it works for zh-Hant and so on.) |
| * |
| * If it is not null and has country, then the list will contain all locales with that parent's |
| * language and country, i.e. containing alternate numbering systems. |
| * |
| * Example: if the parent is "ff-Adlm-BF", then the numbering list will contain all |
| * Fula (Adlam, Burkina Faso) i.e. "ff-Adlm-BF" and "ff-Adlm-BF-u-nu-latn" |
| */ |
| @UnsupportedAppUsage |
| public static Set<LocaleInfo> getLevelLocales(Context context, Set<String> ignorables, |
| LocaleInfo parent, boolean translatedOnly) { |
| return getLevelLocales(context, ignorables, parent, translatedOnly, null); |
| } |
| |
| /** |
| * @param explicitLocales Indicates only the locales within this list should be shown in the |
| * locale picker. |
| * |
| * Returns a list of locales for language or region selection. |
| * If the parent is null, then it is the language list. |
| * If it is not null, then the list will contain all the locales that belong to that parent. |
| * Example: if the parent is "ar", then the region list will contain all Arabic locales. |
| * (this is not language based, but language-script, so that it works for zh-Hant and so on. |
| */ |
| public static Set<LocaleInfo> getLevelLocales(Context context, Set<String> ignorables, |
| LocaleInfo parent, boolean translatedOnly, LocaleList explicitLocales) { |
| if (context != null) { |
| fillCache(context); |
| } |
| HashMap<String, LocaleInfo> supportedLcoaleInfos = |
| explicitLocales == null |
| ? sLocaleCache |
| : convertExplicitLocales(explicitLocales, sLocaleCache.values()); |
| return getTierLocales(ignorables, parent, translatedOnly, supportedLcoaleInfos); |
| } |
| |
| private static Set<LocaleInfo> getTierLocales( |
| Set<String> ignorables, |
| LocaleInfo parent, |
| boolean translatedOnly, |
| HashMap<String, LocaleInfo> supportedLocaleInfos) { |
| |
| boolean hasTargetParent = parent != null; |
| String parentId = hasTargetParent ? parent.getId() : null; |
| HashSet<LocaleInfo> result = new HashSet<>(); |
| for (LocaleStore.LocaleInfo li : supportedLocaleInfos.values()) { |
| if (isShallIgnore(ignorables, li, translatedOnly)) { |
| continue; |
| } |
| switch(getLocaleTier(parent)) { |
| case TIER_LANGUAGE: |
| if (li.isSuggestionOfType(LocaleInfo.SUGGESTION_TYPE_SIM)) { |
| result.add(li); |
| } else { |
| Locale locale = li.getParent(); |
| LocaleInfo localeInfo = getLocaleInfo(locale, supportedLocaleInfos); |
| addLocaleInfoToMap(locale, localeInfo, supportedLocaleInfos); |
| result.add(localeInfo); |
| } |
| break; |
| case TIER_REGION: |
| if (parentId.equals(li.getParent().toLanguageTag())) { |
| Locale locale = li.getLocale().stripExtensions(); |
| LocaleInfo localeInfo = getLocaleInfo(locale, supportedLocaleInfos); |
| addLocaleInfoToMap(locale, localeInfo, supportedLocaleInfos); |
| result.add(localeInfo); |
| } |
| break; |
| case TIER_NUMBERING: |
| if (parent.getLocale().stripExtensions() |
| .equals(li.getLocale().stripExtensions())) { |
| result.add(li); |
| } |
| break; |
| } |
| } |
| return result; |
| } |
| |
| /** Converts string array of explicit locales to HashMap */ |
| public static HashMap<String, LocaleInfo> convertExplicitLocales( |
| LocaleList explicitLocales, Collection<LocaleInfo> localeinfo) { |
| // Trys to find the matched locale within android supported locales. If there is no matched |
| // locale, it will still keep the unsupported lcoale in list. |
| // Note: This currently does not support unicode extension check. |
| LocaleList localeList = matchLocaleFromSupportedLocaleList( |
| explicitLocales, localeinfo); |
| |
| HashMap<String, LocaleInfo> localeInfos = new HashMap<>(); |
| for (int i = 0; i < localeList.size(); i++) { |
| Locale locale = localeList.get(i); |
| if (locale.toString().isEmpty()) { |
| throw new IllformedLocaleException("Bad locale entry"); |
| } |
| |
| LocaleInfo li = new LocaleInfo(locale); |
| if (localeInfos.containsKey(li.getId())) { |
| continue; |
| } |
| localeInfos.put(li.getId(), li); |
| Locale parent = li.getParent(); |
| if (parent != null) { |
| String parentId = parent.toLanguageTag(); |
| if (!localeInfos.containsKey(parentId)) { |
| localeInfos.put(parentId, new LocaleInfo(parent)); |
| } |
| } |
| } |
| return localeInfos; |
| } |
| |
| private static LocaleList matchLocaleFromSupportedLocaleList( |
| LocaleList explicitLocales, Collection<LocaleInfo> localeInfos) { |
| if (localeInfos == null) { |
| return explicitLocales; |
| } |
| //TODO: Adds a function for unicode extension if needed. |
| Locale[] resultLocales = new Locale[explicitLocales.size()]; |
| for (int i = 0; i < explicitLocales.size(); i++) { |
| Locale locale = explicitLocales.get(i); |
| if (!TextUtils.isEmpty(locale.getCountry())) { |
| for (LocaleInfo localeInfo :localeInfos) { |
| if (LocaleList.matchesLanguageAndScript(locale, localeInfo.getLocale()) |
| && TextUtils.equals(locale.getCountry(), |
| localeInfo.getLocale().getCountry())) { |
| resultLocales[i] = localeInfo.getLocale(); |
| break; |
| } |
| } |
| } |
| if (resultLocales[i] == null) { |
| resultLocales[i] = locale; |
| } |
| } |
| return new LocaleList(resultLocales); |
| } |
| |
| @UnsupportedAppUsage |
| public static LocaleInfo getLocaleInfo(Locale locale) { |
| LocaleInfo localeInfo = getLocaleInfo(locale, sLocaleCache); |
| addLocaleInfoToMap(locale, localeInfo, sLocaleCache); |
| return localeInfo; |
| } |
| |
| private static LocaleInfo getLocaleInfo( |
| Locale locale, HashMap<String, LocaleInfo> localeInfos) { |
| String id = locale.toLanguageTag(); |
| LocaleInfo result; |
| if (!localeInfos.containsKey(id)) { |
| // Locale preferences can modify the language tag to current system languages, so we |
| // need to check the input locale without extra u extension except numbering system. |
| Locale filteredLocale = getLocaleWithOnlyNumberingSystem(locale); |
| if (localeInfos.containsKey(filteredLocale.toLanguageTag())) { |
| result = new LocaleInfo(locale); |
| LocaleInfo localeInfo = localeInfos.get(filteredLocale.toLanguageTag()); |
| // This locale is included in supported locales, so follow the settings |
| // of supported locales. |
| result.mIsPseudo = localeInfo.mIsPseudo; |
| result.mIsTranslated = localeInfo.mIsTranslated; |
| result.mHasNumberingSystems = localeInfo.mHasNumberingSystems; |
| result.mSuggestionFlags = localeInfo.mSuggestionFlags; |
| return result; |
| } |
| result = new LocaleInfo(locale); |
| } else { |
| result = localeInfos.get(id); |
| } |
| return result; |
| } |
| |
| private static Locale getLocaleWithOnlyNumberingSystem(Locale locale) { |
| return new Locale.Builder() |
| .setLocale(locale.stripExtensions()) |
| .setUnicodeLocaleKeyword("nu", locale.getUnicodeLocaleType("nu")) |
| .build(); |
| } |
| |
| private static void addLocaleInfoToMap(Locale locale, LocaleInfo localeInfo, |
| HashMap<String, LocaleInfo> map) { |
| if (!map.containsKey(locale.toLanguageTag())) { |
| Locale localeWithNumberingSystem = getLocaleWithOnlyNumberingSystem(locale); |
| if (!map.containsKey(localeWithNumberingSystem.toLanguageTag())) { |
| map.put(locale.toLanguageTag(), localeInfo); |
| } |
| } |
| } |
| |
| /** |
| * API for testing. |
| */ |
| @UnsupportedAppUsage |
| @VisibleForTesting |
| public static LocaleInfo fromLocale(Locale locale) { |
| return new LocaleInfo(locale); |
| } |
| } |
