1 /* 2 * Copyright (C) 2018 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 17 package com.android.car.dialer.ui.calllog; 18 19 import android.app.Application; 20 import android.text.format.DateUtils; 21 22 import androidx.annotation.NonNull; 23 import androidx.lifecycle.AndroidViewModel; 24 import androidx.lifecycle.LiveData; 25 26 import com.android.car.arch.common.FutureData; 27 import com.android.car.arch.common.LiveDataFunctions; 28 import com.android.car.dialer.livedata.CallHistoryLiveData; 29 import com.android.car.dialer.livedata.HeartBeatLiveData; 30 import com.android.car.dialer.ui.common.UiCallLogLiveData; 31 import com.android.car.telephony.common.InMemoryPhoneBook; 32 33 import java.util.List; 34 35 /** View model for CallHistoryFragment which provides call history live data. */ 36 public class CallHistoryViewModel extends AndroidViewModel { 37 private UiCallLogLiveData mUiCallLogLiveData; 38 private LiveData<FutureData<List<Object>>> mUiCallLogFutureData; 39 CallHistoryViewModel(@onNull Application application)40 public CallHistoryViewModel(@NonNull Application application) { 41 super(application); 42 mUiCallLogLiveData = new UiCallLogLiveData(application.getApplicationContext(), 43 new HeartBeatLiveData(DateUtils.MINUTE_IN_MILLIS), 44 CallHistoryLiveData.newInstance(application.getApplicationContext()), 45 InMemoryPhoneBook.get().getContactsLiveData()); 46 47 mUiCallLogFutureData = LiveDataFunctions.loadingSwitchMap(mUiCallLogLiveData, 48 input -> LiveDataFunctions.dataOf(input)); 49 } 50 51 /** Returns the {@link LiveData} for call history list {@link FutureData}. */ getCallHistory()52 public LiveData<FutureData<List<Object>>> getCallHistory() { 53 return mUiCallLogFutureData; 54 } 55 } 56