1 /* 2 * Copyright 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.calendar; 18 19 import android.view.ViewGroup; 20 21 import androidx.recyclerview.widget.RecyclerView; 22 23 /** 24 * Represents an item that can be displayed in the calendar list. It will hold the data needed to 25 * populate the {@link androidx.recyclerview.widget.RecyclerView.ViewHolder} passed in to the {@link 26 * #bind(RecyclerView.ViewHolder)} method. 27 */ 28 interface CalendarItem { 29 30 /** Returns the type of this calendar item instance. */ getType()31 Type getType(); 32 33 /** Bind the view holder with the data represented by this item. */ bind(RecyclerView.ViewHolder holder)34 void bind(RecyclerView.ViewHolder holder); 35 36 /** The type of the calendar item which knows how to create a view holder for */ 37 enum Type { 38 EVENT { 39 @Override createViewHolder(ViewGroup parent)40 RecyclerView.ViewHolder createViewHolder(ViewGroup parent) { 41 return new EventCalendarItem.EventViewHolder(parent); 42 } 43 }, 44 TITLE { 45 @Override createViewHolder(ViewGroup parent)46 RecyclerView.ViewHolder createViewHolder(ViewGroup parent) { 47 return new TitleCalendarItem.TitleViewHolder(parent); 48 } 49 }, 50 ALL_DAY_EVENTS { 51 @Override createViewHolder(ViewGroup parent)52 RecyclerView.ViewHolder createViewHolder(ViewGroup parent) { 53 return new AllDayEventsItem.AllDayEventsViewHolder(parent); 54 } 55 }; 56 57 /** Creates a view holder for this type of calendar item. */ createViewHolder(ViewGroup parent)58 abstract RecyclerView.ViewHolder createViewHolder(ViewGroup parent); 59 } 60 } 61