1 /* 2 * Copyright (C) 2020 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.carlauncher.homescreen; 18 19 import androidx.fragment.app.Fragment; 20 21 /** 22 * Abstract class for the Presenter for a card on the home screen. 23 */ 24 public abstract class CardPresenter implements HomeCardInterface.Presenter { 25 26 private HomeCardInterface.View mView; 27 28 @Override setView(HomeCardInterface.View view)29 public void setView(HomeCardInterface.View view) { 30 mView = view; 31 } 32 33 @Override onModelUpdated(HomeCardInterface.Model model)34 public void onModelUpdated(HomeCardInterface.Model model) { 35 if (model != null && model.getCardHeader() != null) { 36 mView.updateHeaderView(model.getCardHeader()); 37 if (model.getCardContent() != null) { 38 mView.updateContentView(model.getCardContent()); 39 } 40 } else { 41 mView.hideCard(); 42 } 43 } 44 getFragment()45 public Fragment getFragment() { 46 return mView.getFragment(); 47 } 48 } 49