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 prettyPhoneNumber(Context context, Jid jid) {
 45        PhoneNumberUtil phoneNumberUtil = getInstance(context);
 46        try {
 47            Phonenumber.PhoneNumber phoneNumber = phoneNumberUtil.parse(jid.getEscapedLocal(), "de");
 48            return phoneNumberUtil.format(phoneNumber, PhoneNumberUtil.PhoneNumberFormat.INTERNATIONAL);
 49        } catch (Exception e) {
 50            return jid.getEscapedLocal();
 51        }
 52    }
 53
 54    public static String normalize(Context context, String number) throws NumberParseException {
 55        return normalize(context, getInstance(context).parse(number, getUserCountry(context)));
 56    }
 57
 58    public static String normalize(Context context, Phonenumber.PhoneNumber phoneNumber) {
 59        return getInstance(context).format(phoneNumber, PhoneNumberUtil.PhoneNumberFormat.E164);
 60    }
 61
 62    public static PhoneNumberUtil getInstance(final Context context) {
 63        PhoneNumberUtil localInstance = instance;
 64        if (localInstance == null) {
 65            synchronized (PhoneNumberUtilWrapper.class) {
 66                localInstance = instance;
 67                if (localInstance == null) {
 68                    instance = localInstance = PhoneNumberUtil.createInstance(context);
 69                }
 70
 71            }
 72        }
 73        return localInstance;
 74    }
 75
 76    public static List<Country> getCountries(final Context context) {
 77        List<Country> countries = new ArrayList<>();
 78        for (String region : getInstance(context).getSupportedRegions()) {
 79            countries.add(new Country(region, getInstance(context).getCountryCodeForRegion(region)));
 80        }
 81        return countries;
 82
 83    }
 84
 85    public static class Country implements Comparable<Country> {
 86        private final String name;
 87        private final String region;
 88        private final int code;
 89
 90        Country(String region, int code) {
 91            this.name = getCountryForCode(region);
 92            this.region = region;
 93            this.code = code;
 94        }
 95
 96        public String getName() {
 97            return name;
 98        }
 99
100        public String getRegion() {
101            return region;
102        }
103
104        public String getCode() {
105            return '+' + String.valueOf(code);
106        }
107
108        @Override
109        public int compareTo(Country o) {
110            return name.compareTo(o.name);
111        }
112    }
113
114}