public ContactInfo lookupContact(
String number, int numberPresentation, String countryIso, ContactInfo cachedContactInfo) {
NumberWithCountryIso numberCountryIso = new NumberWithCountryIso(number, countryIso);
ExpirableCache.CachedValue<ContactInfo> cachedInfo =
mContactInfoCache.getCachedValue(numberCountryIso);
ContactInfo info = cachedInfo == null ? null : cachedInfo.getValue();
if (!PhoneNumberUtilsWrapper.canPlaceCallsTo(number, numberPresentation)
|| new PhoneNumberUtilsWrapper().isVoicemailNumber(number)) {
// If this is a number that cannot be dialed, there is no point in looking up a contact
// for it.
info = ContactInfo.EMPTY;
} else if (cachedInfo == null) {
mContactInfoCache.put(numberCountryIso, ContactInfo.EMPTY);
// Use the cached contact info from the call log.
info = cachedContactInfo;
// The db request should happen on a non-UI thread.
// Request the contact details immediately since they are currently missing.
enqueueRequest(number, countryIso, cachedContactInfo, true);
// We will format the phone number when we make the background request.
} else {
if (cachedInfo.isExpired()) {
// The contact info is no longer up to date, we should request it. However, we
// do not need to request them immediately.
enqueueRequest(number, countryIso, cachedContactInfo, false);
} else if (!callLogInfoMatches(cachedContactInfo, info)) {
// The call log information does not match the one we have, look it up again.
// We could simply update the call log directly, but that needs to be done in a
// background thread, so it is easier to simply request a new lookup, which will, as
// a side-effect, update the call log.
enqueueRequest(number, countryIso, cachedContactInfo, false);
}
if (info == ContactInfo.EMPTY) {
// Use the cached contact info from the call log.
info = cachedContactInfo;
}
}
return info;
}
