/*
* Copyright (C) 2008 ZXing authors
*
* 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.google.zxing.client.android;
import android.content.Context;
import android.content.SharedPreferences;
import android.preference.PreferenceManager;
import java.util.Arrays;
import java.util.Collection;
import java.util.Locale;
import java.util.Map;
import java.util.HashMap;
/**
* Handles any locale-specific logic for the client.
*
* @author Sean Owen
*/
public final class LocaleManager {
private static final String DEFAULT_TLD = "com";
private static final String DEFAULT_COUNTRY = "US";
private static final String DEFAULT_LANGUAGE = "en";
/**
* Locales (well, countries) where Google web search is available.
* These should be kept in sync with our translations.
*/
private static final Map<String,String> GOOGLE_COUNTRY_TLD;
static {
GOOGLE_COUNTRY_TLD = new HashMap<String,String>();
GOOGLE_COUNTRY_TLD.put("AR", "com.ar"); // ARGENTINA
GOOGLE_COUNTRY_TLD.put("AU", "com.au"); // AUSTRALIA
GOOGLE_COUNTRY_TLD.put("BR", "com.br"); // BRAZIL
GOOGLE_COUNTRY_TLD.put("BG", "bg"); // BULGARIA
GOOGLE_COUNTRY_TLD.put(Locale.CANADA.getCountry(), "ca");
GOOGLE_COUNTRY_TLD.put(Locale.CHINA.getCountry(), "cn");
GOOGLE_COUNTRY_TLD.put("CZ", "cz"); // CZECH REPUBLIC
GOOGLE_COUNTRY_TLD.put("DK", "dk"); // DENMARK
GOOGLE_COUNTRY_TLD.put("FI", "fi"); // FINLAND
GOOGLE_COUNTRY_TLD.put(Locale.FRANCE.getCountry(), "fr");
GOOGLE_COUNTRY_TLD.put(Locale.GERMANY.getCountry(), "de");
GOOGLE_COUNTRY_TLD.put("GR", "gr"); // GREECE
GOOGLE_COUNTRY_TLD.put("HU", "hu"); // HUNGARY
GOOGLE_COUNTRY_TLD.put("ID", "co.id"); // INDONESIA
GOOGLE_COUNTRY_TLD.put("IL", "co.il"); // ISRAEL
GOOGLE_COUNTRY_TLD.put(Locale.ITALY.getCountry(), "it");
GOOGLE_COUNTRY_TLD.put(Locale.JAPAN.getCountry(), "co.jp");
GOOGLE_COUNTRY_TLD.put(Locale.KOREA.getCountry(), "co.kr");
GOOGLE_COUNTRY_TLD.put("NL", "nl"); // NETHERLANDS
GOOGLE_COUNTRY_TLD.put("PL", "pl"); // POLAND
GOOGLE_COUNTRY_TLD.put("PT", "pt"); // PORTUGAL
GOOGLE_COUNTRY_TLD.put("RU", "ru"); // RUSSIA
GOOGLE_COUNTRY_TLD.put("SK", "sk"); // SLOVAK REPUBLIC
GOOGLE_COUNTRY_TLD.put("SI", "si"); // SLOVENIA
GOOGLE_COUNTRY_TLD.put("ES", "es"); // SPAIN
GOOGLE_COUNTRY_TLD.put("SE", "se"); // SWEDEN
GOOGLE_COUNTRY_TLD.put(Locale.TAIWAN.getCountry(), "tw");
GOOGLE_COUNTRY_TLD.put("TR", "com.tr"); // TURKEY
GOOGLE_COUNTRY_TLD.put(Locale.UK.getCountry(), "co.uk");
GOOGLE_COUNTRY_TLD.put(Locale.US.getCountry(), "com");
}
/**
* Google Product Search for mobile is available in fewer countries than web search. See here:
* http://www.google.com/support/merchants/bin/answer.py?answer=160619
*/
private static final Map<String,String> GOOGLE_PRODUCT_SEARCH_COUNTRY_TLD;
static {
GOOGLE_PRODUCT_SEARCH_COUNTRY_TLD = new HashMap<String,String>();
GOOGLE_PRODUCT_SEARCH_COUNTRY_TLD.put("AU", "com.au"); // AUSTRALIA
GOOGLE_PRODUCT_SEARCH_COUNTRY_TLD.put(Locale.CHINA.getCountry(), "cn");
GOOGLE_PRODUCT_SEARCH_COUNTRY_TLD.put(Locale.FRANCE.getCountry(), "fr");
GOOGLE_PRODUCT_SEARCH_COUNTRY_TLD.put(Locale.GERMANY.getCountry(), "de");
GOOGLE_PRODUCT_SEARCH_COUNTRY_TLD.put(Locale.ITALY.getCountry(), "it");
GOOGLE_PRODUCT_SEARCH_COUNTRY_TLD.put(Locale.JAPAN.getCountry(), "co.jp");
GOOGLE_PRODUCT_SEARCH_COUNTRY_TLD.put("NL", "nl"); // NETHERLANDS
GOOGLE_PRODUCT_SEARCH_COUNTRY_TLD.put("ES", "es"); // SPAIN
GOOGLE_PRODUCT_SEARCH_COUNTRY_TLD.put(Locale.UK.getCountry(), "co.uk");
GOOGLE_PRODUCT_SEARCH_COUNTRY_TLD.put(Locale.US.getCountry(), "com");
}
/**
* Book search is offered everywhere that web search is available.
*/
private static final Map<String,String> GOOGLE_BOOK_SEARCH_COUNTRY_TLD = GOOGLE_COUNTRY_TLD;
private static final Collection<String> TRANSLATED_HELP_ASSET_LANGUAGES =
Arrays.asList("de", "en", "es", "fr", "it", "ja", "ko", "nl", "pt", "ru", "zh-rCN", "zh-rTW");
private LocaleManager() {}
/**
* @return country-specific TLD suffix appropriate for the current default locale
* (e.g. "co.uk" for the United Kingdom)
*/
public static String getCountryTLD(Context context) {
return doGetTLD(GOOGLE_COUNTRY_TLD, context);
}
/**
* The same as above, but specifically for Google Product Search.
* @return The top-level domain to use.
*/
public static String getProductSearchCountryTLD(Context context) {
return doGetTLD(GOOGLE_PRODUCT_SEARCH_COUNTRY_TLD, context);
}
/**
* The same as above, but specifically for Google Book Search.
* @return The top-level domain to use.
*/
public static String getBookSearchCountryTLD(Context context) {
return doGetTLD(GOOGLE_BOOK_SEARCH_COUNTRY_TLD, context);
}
/**
* Does a given URL point to Google Book Search, regardless of domain.
*
* @param url The address to check.
* @return True if this is a Book Search URL.
*/
public static boolean isBookSearchUrl(String url) {
return url.startsWith("http://google.com/books") || url.startsWith("http://books.google.");
}
private static String getSystemCountry() {
Locale locale = Locale.getDefault();
return locale == null ? DEFAULT_COUNTRY : locale.getCountry();
}
private static String getSystemLanguage() {
Locale locale = Locale.getDefault();
if (locale == null) {
return DEFAULT_LANGUAGE;
}
String language = locale.getLanguage();
// Special case Chinese
if (Locale.SIMPLIFIED_CHINESE.getLanguage().equals(language)) {
return language + "-r" + getSystemCountry();
}
return language;
}
public static String getTranslatedAssetLanguage() {
String language = getSystemLanguage();
return TRANSLATED_HELP_ASSET_LANGUAGES.contains(language) ? language : DEFAULT_LANGUAGE;
}
private static String doGetTLD(Map<String,String> map, Context context) {
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
String countryOverride = prefs.getString(PreferencesActivity.KEY_SEARCH_COUNTRY, null);
if (countryOverride != null && countryOverride.length() > 0 && !"-".equals(countryOverride)) {
String tld = map.get(countryOverride);
if (tld != null) {
return tld;
}
}
String tld = map.get(getSystemCountry());
return tld == null ? DEFAULT_TLD : tld;
}
}