1 /* 2 * Copyright (C) 2017 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; 18 19 import android.database.Cursor; 20 import android.net.Uri; 21 import android.provider.ContactsContract.Contacts; 22 import android.support.v7.widget.RecyclerView; 23 import android.view.LayoutInflater; 24 import android.view.View; 25 import android.view.ViewGroup; 26 27 import java.util.ArrayList; 28 import java.util.List; 29 30 import androidx.car.widget.PagedListView; 31 32 /** 33 * An adapter that will parse a list of contacts given by a {@link Cursor} that display the 34 * results as a list. 35 */ 36 public class ContactResultsAdapter extends RecyclerView.Adapter<ContactResultViewHolder> 37 implements PagedListView.ItemCap { 38 private final List<ContactResultViewHolder.ContactDetails> mContacts = new ArrayList<>(); 39 40 /** 41 * Clears all contact results from this adapter. 42 */ clear()43 public void clear() { 44 mContacts.clear(); 45 notifyDataSetChanged(); 46 } 47 48 /** 49 * Sets the list of contacts that should be displayed. The given {@link Cursor} can be safely 50 * closed after this call. 51 */ setData(Cursor data)52 public void setData(Cursor data) { 53 mContacts.clear(); 54 55 while (data.moveToNext()) { 56 int idColIdx = data.getColumnIndex(Contacts._ID); 57 int lookupColIdx = data.getColumnIndex(Contacts.LOOKUP_KEY); 58 int nameColIdx = data.getColumnIndex(Contacts.DISPLAY_NAME); 59 int photoUriColIdx = data.getColumnIndex(Contacts.PHOTO_URI); 60 61 Uri lookupUri = Contacts.getLookupUri( 62 data.getLong(idColIdx), data.getString(lookupColIdx)); 63 64 mContacts.add(new ContactResultViewHolder.ContactDetails( 65 data.getString(nameColIdx), 66 data.getString(photoUriColIdx), 67 lookupUri)); 68 } 69 70 notifyDataSetChanged(); 71 } 72 73 @Override onCreateViewHolder(ViewGroup parent, int viewType)74 public ContactResultViewHolder onCreateViewHolder(ViewGroup parent, int viewType) { 75 View view = LayoutInflater.from(parent.getContext()) 76 .inflate(R.layout.contact_result, parent, false); 77 return new ContactResultViewHolder(view); 78 } 79 80 @Override onBindViewHolder(ContactResultViewHolder holder, int position)81 public void onBindViewHolder(ContactResultViewHolder holder, int position) { 82 holder.bind(mContacts.get(position), getItemCount()); 83 } 84 85 @Override getItemViewType(int position)86 public int getItemViewType(int position) { 87 // Only one type of view is created, so no need for an individualized view type. 88 return 0; 89 } 90 91 @Override getItemCount()92 public int getItemCount() { 93 return mContacts.size(); 94 } 95 96 @Override setMaxItems(int max)97 public void setMaxItems(int max) { 98 // No-op. A PagedListView needs the ItemCap interface to be implemented. However, the 99 // list of contacts not be limited. 100 } 101 } 102