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;
 13import rocks.xmpp.addr.Jid;
 14
 15public class PhoneNumberUtilWrapper {
 16
 17    private static volatile PhoneNumberUtil instance;
 18
 19
 20    public static String getCountryForCode(String code) {
 21        Locale locale = new Locale("", code);
 22        return locale.getDisplayCountry();
 23    }
 24
 25    public static String getUserCountry(Context context) {
 26        try {
 27            final TelephonyManager tm = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
 28            final String simCountry = tm.getSimCountryIso();
 29            if (simCountry != null && simCountry.length() == 2) { // SIM country code is available
 30                return simCountry.toUpperCase(Locale.US);
 31            } else if (tm.getPhoneType() != TelephonyManager.PHONE_TYPE_CDMA) { // device is not 3G (would be unreliable)
 32                String networkCountry = tm.getNetworkCountryIso();
 33                if (networkCountry != null && networkCountry.length() == 2) { // network country code is available
 34                    return networkCountry.toUpperCase(Locale.US);
 35                }
 36            }
 37        } catch (Exception e) {
 38            // fallthrough
 39        }
 40        Locale locale = Locale.getDefault();
 41        return locale.getCountry();
 42    }
 43
 44    public static String toFormattedPhoneNumber(Context context, Jid jid) {
 45        try {
 46            return getInstance(context).format(toPhoneNumber(context, jid), PhoneNumberUtil.PhoneNumberFormat.INTERNATIONAL);
 47        } catch (Exception e) {
 48            return jid.getEscapedLocal();
 49        }
 50    }
 51
 52    public static Phonenumber.PhoneNumber toPhoneNumber(Context context, Jid jid) throws NumberParseException {
 53        return getInstance(context).parse(jid.getEscapedLocal(), "de");
 54    }
 55
 56    public static String normalize(Context context, String number) throws NumberParseException {
 57        return normalize(context, getInstance(context).parse(number, getUserCountry(context)));
 58    }
 59
 60    public static String normalize(Context context, Phonenumber.PhoneNumber phoneNumber) {
 61        return getInstance(context).format(phoneNumber, PhoneNumberUtil.PhoneNumberFormat.E164);
 62    }
 63
 64    public static PhoneNumberUtil getInstance(final Context context) {
 65        PhoneNumberUtil localInstance = instance;
 66        if (localInstance == null) {
 67            synchronized (PhoneNumberUtilWrapper.class) {
 68                localInstance = instance;
 69                if (localInstance == null) {
 70                    instance = localInstance = PhoneNumberUtil.createInstance(context);
 71                }
 72
 73            }
 74        }
 75        return localInstance;
 76    }
 77
 78    public static List<Country> getCountries(final Context context) {
 79        List<Country> countries = new ArrayList<>();
 80        for (String region : getInstance(context).getSupportedRegions()) {
 81            countries.add(new Country(region, getInstance(context).getCountryCodeForRegion(region)));
 82        }
 83        return countries;
 84
 85    }
 86
 87    public static class Country implements Comparable<Country> {
 88        private final String name;
 89        private final String region;
 90        private final int code;
 91
 92        Country(String region, int code) {
 93            this.name = getCountryForCode(region);
 94            this.region = region;
 95            this.code = code;
 96        }
 97
 98        public String getName() {
 99            return name;
100        }
101
102        public String getRegion() {
103            return region;
104        }
105
106        public String getCode() {
107            return '+' + String.valueOf(code);
108        }
109
110        @Override
111        public int compareTo(Country o) {
112            return name.compareTo(o.name);
113        }
114    }
115
116}