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/*
* Copyright (C) 2014 Xiao-Long Chen <chillermillerlong@hotmail.com>
*
* 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.lookup;
import android.content.Context;
import android.graphics.Bitmap;
import android.net.Uri;
import android.os.Handler;
import android.os.HandlerThread;
import android.os.Message;
import android.telephony.PhoneNumberUtils;
import android.telephony.TelephonyManager;
import com.android.contacts.common.GeoUtil;
import com.android.dialer.calllog.ContactInfo;
import com.android.incallui.service.PhoneNumberService;
import java.io.IOException;
public class ReverseLookupService implements PhoneNumberService, Handler.Callback {
private final HandlerThread mBackgroundThread;
private final Handler mBackgroundHandler;
private final Handler mHandler;
private final Context mContext;
private final TelephonyManager mTelephonyManager;
private static final int MSG_LOOKUP = 1;
private static final int MSG_NOTIFY_NUMBER = 2;
private static final int MSG_NOTIFY_IMAGE = 3;
public ReverseLookupService(Context context) {
mContext = context;
mTelephonyManager = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
// TODO: stop after a while?
mBackgroundThread = new HandlerThread("ReverseLookup");
mBackgroundThread.start();
mBackgroundHandler = new Handler(mBackgroundThread.getLooper(), this);
mHandler = new Handler(this);
}
@Override
public void getPhoneNumberInfo(String phoneNumber, NumberLookupListener numberListener,
ImageLookupListener imageListener, boolean isIncoming) {
if (!LookupSettings.isReverseLookupEnabled(mContext)) {
LookupCache.deleteCachedContacts(mContext);
return;
}
// Can't do reverse lookup without a number
if (phoneNumber == null) {
return;
}
LookupRequest request = new LookupRequest();
String countryIso = mTelephonyManager.getSimCountryIso().toUpperCase();
request.normalizedNumber = PhoneNumberUtils.formatNumberToE164(phoneNumber, countryIso);
request.formattedNumber = PhoneNumberUtils.formatNumber(phoneNumber,
request.normalizedNumber, GeoUtil.getCurrentCountryIso(mContext));
request.numberListener = numberListener;
request.imageListener = imageListener;
mBackgroundHandler.obtainMessage(MSG_LOOKUP, request).sendToTarget();
}
@Override
public boolean handleMessage(Message msg) {
switch (msg.what) {
case MSG_LOOKUP: {
// background thread
LookupRequest request = (LookupRequest) msg.obj;
request.contactInfo = doLookup(request);
if (request.contactInfo != null) {
mHandler.obtainMessage(MSG_NOTIFY_NUMBER, request).sendToTarget();
if (request.imageListener != null && request.contactInfo.photoUri != null) {
request.photo = fetchImage(request, request.contactInfo.photoUri);
if (request.photo != null) {
mHandler.obtainMessage(MSG_NOTIFY_IMAGE, request).sendToTarget();
}
}
}
break;
}
case MSG_NOTIFY_NUMBER: {
// main thread
LookupRequest request = (LookupRequest) msg.obj;
if (request.numberListener != null) {
LookupNumberInfo info = new LookupNumberInfo(request.contactInfo);
request.numberListener.onPhoneNumberInfoComplete(info);
}
break;
}
case MSG_NOTIFY_IMAGE:
// main thread
LookupRequest request = (LookupRequest) msg.obj;
if (request.imageListener != null) {
request.imageListener.onImageFetchComplete(request.photo);
}
break;
}
return true;
}
private ContactInfo doLookup(LookupRequest request) {
final String number = request.normalizedNumber;
if (LookupCache.hasCachedContact(mContext, number)) {
ContactInfo info = LookupCache.getCachedContact(mContext, number);
if (!ContactInfo.EMPTY.equals(info)) {
return info;
} else if (info != null) {
// If we have an empty cached contact, remove it and redo lookup
LookupCache.deleteCachedContact(mContext, number);
}
}
try {
ContactInfo info = ReverseLookup.getInstance(mContext).lookupNumber(mContext,
number, request.formattedNumber);
if (info != null && !info.equals(ContactInfo.EMPTY)) {
LookupCache.cacheContact(mContext, info);
return info;
}
} catch (IOException e) {
// ignored
}
return null;
}
private Bitmap fetchImage(LookupRequest request, Uri uri) {
if (!LookupCache.hasCachedImage(mContext, request.normalizedNumber)) {
Bitmap bmp = ReverseLookup.getInstance(mContext).lookupImage(mContext, uri);
if (bmp != null) {
LookupCache.cacheImage(mContext, request.normalizedNumber, bmp);
}
}
return LookupCache.getCachedImage(mContext, request.normalizedNumber);
}
private static class LookupRequest {
String normalizedNumber;
String formattedNumber;
NumberLookupListener numberListener;
ImageLookupListener imageListener;
ContactInfo contactInfo;
Bitmap photo;
}
private static class LookupNumberInfo implements PhoneNumberInfo {
private ContactInfo mInfo;
private LookupNumberInfo(ContactInfo info) {
mInfo = info;
}
@Override
public String getDisplayName() {
return mInfo.name;
}
@Override
public String getNumber() {
return mInfo.number;
}
@Override
public int getPhoneType() {
return mInfo.type;
}
@Override
public String getPhoneLabel() {
return mInfo.label;
}
@Override
public String getNormalizedNumber() {
return mInfo.normalizedNumber;
}
@Override
public String getImageUrl() {
return mInfo.photoUri != null ? mInfo.photoUri.toString() : null;
}
@Override
public boolean isBusiness() {
// FIXME
return false;
}
}
}
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