1 /* 2 * Copyright (C) 2019 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package android.car.cluster; 17 18 import android.content.Context; 19 20 import androidx.lifecycle.LiveData; 21 import androidx.lifecycle.MediatorLiveData; 22 23 import com.android.car.telephony.common.TelecomUtils; 24 import com.android.car.telephony.common.TelecomUtils.PhoneNumberInfo; 25 26 import java.util.concurrent.CompletableFuture; 27 28 class PhoneNumberInfoLiveData extends MediatorLiveData<PhoneNumberInfo> { 29 30 private CompletableFuture<Void> mCurrentFuture; 31 PhoneNumberInfoLiveData(Context context, LiveData<String> numberLiveData)32 public PhoneNumberInfoLiveData(Context context, LiveData<String> numberLiveData) { 33 addSource(numberLiveData, (number) -> { 34 if (mCurrentFuture != null) { 35 mCurrentFuture.cancel(true); 36 } 37 38 mCurrentFuture = TelecomUtils.getPhoneNumberInfo(context, number) 39 .thenAccept(this::postValue); 40 }); 41 } 42 } 43