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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.dialer.calllog;
import android.content.Context;
import android.database.Cursor;
import android.net.Uri;
import android.provider.ContactsContract.Contacts;
import android.provider.ContactsContract.PhoneLookup;
import android.telephony.PhoneNumberUtils;
import android.text.TextUtils;
import com.android.contacts.common.util.UriUtils;
/**
* Utility class to look up the contact information for a given number.
*/
public class ContactInfoHelper {
private final Context mContext;
private final String mCurrentCountryIso;
public ContactInfoHelper(Context context, String currentCountryIso) {
mContext = context;
mCurrentCountryIso = currentCountryIso;
}
/**
* Returns the contact information for the given number.
* <p>
* If the number does not match any contact, returns a contact info containing only the number
* and the formatted number.
* <p>
* If an error occurs during the lookup, it returns null.
*
* @param number the number to look up
* @param countryIso the country associated with this number
*/
public ContactInfo lookupNumber(String number, String countryIso) {
final ContactInfo info;
// Determine the contact info.
if (PhoneNumberUtils.isUriNumber(number)) {
// This "number" is really a SIP address.
ContactInfo sipInfo = queryContactInfoForSipAddress(number);
if (sipInfo == null || sipInfo == ContactInfo.EMPTY) {
// Check whether the "username" part of the SIP address is
// actually the phone number of a contact.
String username = PhoneNumberUtils.getUsernameFromUriNumber(number);
if (PhoneNumberUtils.isGlobalPhoneNumber(username)) {
sipInfo = queryContactInfoForPhoneNumber(username, countryIso);
}
}
info = sipInfo;
} else {
// Look for a contact that has the given phone number.
ContactInfo phoneInfo = queryContactInfoForPhoneNumber(number, countryIso);
if (phoneInfo == null || phoneInfo == ContactInfo.EMPTY) {
// Check whether the phone number has been saved as an "Internet call" number.
phoneInfo = queryContactInfoForSipAddress(number);
}
info = phoneInfo;
}
final ContactInfo updatedInfo;
if (info == null) {
// The lookup failed.
updatedInfo = null;
} else {
// If we did not find a matching contact, generate an empty contact info for the number.
if (info == ContactInfo.EMPTY) {
// Did not find a matching contact.
updatedInfo = new ContactInfo();
updatedInfo.number = number;
updatedInfo.formattedNumber = formatPhoneNumber(number, null, countryIso);
} else {
updatedInfo = info;
}
}
return updatedInfo;
}
/**
* Looks up a contact using the given URI.
* <p>
* It returns null if an error occurs, {@link ContactInfo#EMPTY} if no matching contact is
* found, or the {@link ContactInfo} for the given contact.
* <p>
* The {@link ContactInfo#formattedNumber} field is always set to {@code null} in the returned
* value.
*/
private ContactInfo lookupContactFromUri(Uri uri) {
final ContactInfo info;
Cursor phonesCursor =
mContext.getContentResolver().query(
uri, PhoneQuery._PROJECTION, null, null, null);
if (phonesCursor != null) {
try {
if (phonesCursor.moveToFirst()) {
info = new ContactInfo();
long contactId = phonesCursor.getLong(PhoneQuery.PERSON_ID);
String lookupKey = phonesCursor.getString(PhoneQuery.LOOKUP_KEY);
info.lookupUri = Contacts.getLookupUri(contactId, lookupKey);
info.name = phonesCursor.getString(PhoneQuery.NAME);
info.type = phonesCursor.getInt(PhoneQuery.PHONE_TYPE);
info.label = phonesCursor.getString(PhoneQuery.LABEL);
info.number = phonesCursor.getString(PhoneQuery.MATCHED_NUMBER);
info.normalizedNumber = phonesCursor.getString(PhoneQuery.NORMALIZED_NUMBER);
info.photoId = phonesCursor.getLong(PhoneQuery.PHOTO_ID);
info.photoUri =
UriUtils.parseUriOrNull(phonesCursor.getString(PhoneQuery.PHOTO_URI));
info.formattedNumber = null;
} else {
info = ContactInfo.EMPTY;
}
} finally {
phonesCursor.close();
}
} else {
// Failed to fetch the data, ignore this request.
info = null;
}
return info;
}
/**
* Determines the contact information for the given SIP address.
* <p>
* It returns the contact info if found.
* <p>
* If no contact corresponds to the given SIP address, returns {@link ContactInfo#EMPTY}.
* <p>
* If the lookup fails for some other reason, it returns null.
*/
private ContactInfo queryContactInfoForSipAddress(String sipAddress) {
final ContactInfo info;
// "contactNumber" is a SIP address, so use the PhoneLookup table with the SIP parameter.
Uri.Builder uriBuilder = PhoneLookup.CONTENT_FILTER_URI.buildUpon();
uriBuilder.appendPath(Uri.encode(sipAddress));
uriBuilder.appendQueryParameter(PhoneLookup.QUERY_PARAMETER_SIP_ADDRESS, "1");
return lookupContactFromUri(uriBuilder.build());
}
/**
* Determines the contact information for the given phone number.
* <p>
* It returns the contact info if found.
* <p>
* If no contact corresponds to the given phone number, returns {@link ContactInfo#EMPTY}.
* <p>
* If the lookup fails for some other reason, it returns null.
*/
private ContactInfo queryContactInfoForPhoneNumber(String number, String countryIso) {
String contactNumber = number;
if (!TextUtils.isEmpty(countryIso)) {
// Normalize the number: this is needed because the PhoneLookup query below does not
// accept a country code as an input.
String numberE164 = PhoneNumberUtils.formatNumberToE164(number, countryIso);
if (!TextUtils.isEmpty(numberE164)) {
// Only use it if the number could be formatted to E164.
contactNumber = numberE164;
}
}
// The "contactNumber" is a regular phone number, so use the PhoneLookup table.
Uri uri = Uri.withAppendedPath(PhoneLookup.CONTENT_FILTER_URI, Uri.encode(contactNumber));
ContactInfo info = lookupContactFromUri(uri);
if (info != null && info != ContactInfo.EMPTY) {
info.formattedNumber = formatPhoneNumber(number, null, countryIso);
}
return info;
}
/**
* Format the given phone number
*
* @param number the number to be formatted.
* @param normalizedNumber the normalized number of the given number.
* @param countryIso the ISO 3166-1 two letters country code, the country's
* convention will be used to format the number if the normalized
* phone is null.
*
* @return the formatted number, or the given number if it was formatted.
*/
private String formatPhoneNumber(String number, String normalizedNumber,
String countryIso) {
if (TextUtils.isEmpty(number)) {
return "";
}
// If "number" is really a SIP address, don't try to do any formatting at all.
if (PhoneNumberUtils.isUriNumber(number)) {
return number;
}
if (TextUtils.isEmpty(countryIso)) {
countryIso = mCurrentCountryIso;
}
return PhoneNumberUtils.formatNumber(number, normalizedNumber, countryIso);
}
}
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