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/*
* Copyright (C) 2011 The Android Open Source Project
*
* 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.android.providers.contacts;
import android.content.ContentValues;
import android.content.Context;
import android.provider.CallLog.Calls;
import android.telephony.PhoneNumberUtils;
import android.text.TextUtils;
import com.android.i18n.phonenumbers.NumberParseException;
import com.android.i18n.phonenumbers.PhoneNumberUtil;
import com.android.i18n.phonenumbers.Phonenumber.PhoneNumber;
import com.android.i18n.phonenumbers.geocoding.PhoneNumberOfflineGeocoder;
import com.google.android.collect.Sets;
import java.util.Locale;
import java.util.Set;
/**
* Default implementation of {@link CallLogInsertionHelper}.
* <p>
* It added the country ISO abbreviation and the geocoded location.
* It checks for legacy unknown numbers and updates number presentation.
* <p>
* It uses {@link PhoneNumberOfflineGeocoder} to compute the geocoded location of a phone number.
*/
/*package*/ class DefaultCallLogInsertionHelper implements CallLogInsertionHelper {
private static DefaultCallLogInsertionHelper sInstance;
private static final Set<String> LEGACY_UNKNOWN_NUMBERS = Sets.newHashSet("-1", "-2", "-3");
private final CountryMonitor mCountryMonitor;
private PhoneNumberUtil mPhoneNumberUtil;
private PhoneNumberOfflineGeocoder mPhoneNumberOfflineGeocoder;
private final Locale mLocale;
public static synchronized DefaultCallLogInsertionHelper getInstance(Context context) {
if (sInstance == null) {
sInstance = new DefaultCallLogInsertionHelper(context);
}
return sInstance;
}
private DefaultCallLogInsertionHelper(Context context) {
mCountryMonitor = new CountryMonitor(context);
mLocale = context.getResources().getConfiguration().locale;
}
@Override
public void addComputedValues(ContentValues values) {
// Insert the current country code, so we know the country the number belongs to.
String countryIso = getCurrentCountryIso();
values.put(Calls.COUNTRY_ISO, countryIso);
// Insert the geocoded location, so that we do not need to compute it on the fly.
values.put(Calls.GEOCODED_LOCATION,
getGeocodedLocationFor(values.getAsString(Calls.NUMBER), countryIso));
final String number = values.getAsString(Calls.NUMBER);
if (LEGACY_UNKNOWN_NUMBERS.contains(number)) {
values.put(Calls.NUMBER_PRESENTATION, Calls.PRESENTATION_UNKNOWN);
values.put(Calls.NUMBER, "");
}
// Check for a normalized number; if not present attempt to determine one now.
if (!values.containsKey(Calls.CACHED_NORMALIZED_NUMBER) &&
!TextUtils.isEmpty(number)) {
String normalizedNumber = PhoneNumberUtils.formatNumberToE164(number, countryIso);
if (!TextUtils.isEmpty(normalizedNumber)) {
values.put(Calls.CACHED_NORMALIZED_NUMBER, normalizedNumber);
}
}
}
private String getCurrentCountryIso() {
return mCountryMonitor.getCountryIso();
}
private synchronized PhoneNumberUtil getPhoneNumberUtil() {
if (mPhoneNumberUtil == null) {
mPhoneNumberUtil = PhoneNumberUtil.getInstance();
}
return mPhoneNumberUtil;
}
private PhoneNumber parsePhoneNumber(String number, String countryIso) {
try {
return getPhoneNumberUtil().parse(number, countryIso);
} catch (NumberParseException e) {
return null;
}
}
private synchronized PhoneNumberOfflineGeocoder getPhoneNumberOfflineGeocoder() {
if (mPhoneNumberOfflineGeocoder == null) {
mPhoneNumberOfflineGeocoder = PhoneNumberOfflineGeocoder.getInstance();
}
return mPhoneNumberOfflineGeocoder;
}
@Override
public String getGeocodedLocationFor(String number, String countryIso) {
PhoneNumber structuredPhoneNumber = parsePhoneNumber(number, countryIso);
if (structuredPhoneNumber != null) {
return getPhoneNumberOfflineGeocoder().getDescriptionForNumber(
structuredPhoneNumber, mLocale);
} else {
return null;
}
}
}
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