1package eu.siacs.conversations.utils;
  2
  3import android.content.Context;
  4import android.telephony.TelephonyManager;
  5
  6import java.util.ArrayList;
  7import java.util.List;
  8import java.util.Locale;
  9
 10import io.michaelrocks.libphonenumber.android.NumberParseException;
 11import io.michaelrocks.libphonenumber.android.PhoneNumberUtil;
 12import io.michaelrocks.libphonenumber.android.Phonenumber;
 13
 14public class PhoneNumberUtilWrapper {
 15
 16    private static volatile PhoneNumberUtil instance;
 17
 18
 19    public static String getCountryForCode(String code) {
 20        Locale locale = new Locale("", code);
 21        return locale.getDisplayCountry();
 22    }
 23
 24    public static String getUserCountry(Context context) {
 25        try {
 26            final TelephonyManager tm = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
 27            final String simCountry = tm.getSimCountryIso();
 28            if (simCountry != null && simCountry.length() == 2) { // SIM country code is available
 29                return simCountry.toUpperCase(Locale.US);
 30            } else if (tm.getPhoneType() != TelephonyManager.PHONE_TYPE_CDMA) { // device is not 3G (would be unreliable)
 31                String networkCountry = tm.getNetworkCountryIso();
 32                if (networkCountry != null && networkCountry.length() == 2) { // network country code is available
 33                    return networkCountry.toUpperCase(Locale.US);
 34                }
 35            }
 36        } catch (Exception e) {
 37            // fallthrough
 38        }
 39        Locale locale = Locale.getDefault();
 40        return locale.getCountry();
 41    }
 42
 43    public static String normalize(Context context, String number) throws NumberParseException {
 44        return normalize(context, getInstance(context).parse(number, getUserCountry(context)));
 45    }
 46
 47    public static String normalize(Context context, Phonenumber.PhoneNumber phoneNumber) {
 48        return getInstance(context).format(phoneNumber, PhoneNumberUtil.PhoneNumberFormat.E164);
 49    }
 50
 51    public static PhoneNumberUtil getInstance(final Context context) {
 52        PhoneNumberUtil localInstance = instance;
 53        if (localInstance == null) {
 54            synchronized (PhoneNumberUtilWrapper.class) {
 55                localInstance = instance;
 56                if (localInstance == null) {
 57                    instance = localInstance = PhoneNumberUtil.createInstance(context);
 58                }
 59
 60            }
 61        }
 62        return localInstance;
 63    }
 64
 65    public static List<Country> getCountries(final Context context) {
 66        List<Country> countries = new ArrayList<>();
 67        for (String region : getInstance(context).getSupportedRegions()) {
 68            countries.add(new Country(region, getInstance(context).getCountryCodeForRegion(region)));
 69        }
 70        return countries;
 71
 72    }
 73
 74    public static class Country implements Comparable<Country> {
 75        private final String name;
 76        private final String region;
 77        private final int code;
 78
 79        Country(String region, int code) {
 80            this.name = getCountryForCode(region);
 81            this.region = region;
 82            this.code = code;
 83        }
 84
 85        public String getName() {
 86            return name;
 87        }
 88
 89        public String getRegion() {
 90            return region;
 91        }
 92
 93        public String getCode() {
 94            return '+' + String.valueOf(code);
 95        }
 96
 97        @Override
 98        public int compareTo(Country o) {
 99            return name.compareTo(o.name);
100        }
101    }
102
103}