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.favorite;
18 
19 import android.view.LayoutInflater;
20 import android.view.View;
21 import android.view.ViewGroup;
22 
23 import androidx.recyclerview.widget.RecyclerView;
24 
25 import com.android.car.dialer.R;
26 import com.android.car.dialer.log.L;
27 import com.android.car.dialer.ui.common.OnItemClickedListener;
28 import com.android.car.dialer.ui.common.entity.Header;
29 import com.android.car.telephony.common.Contact;
30 
31 import java.util.Collections;
32 import java.util.List;
33 
34 /**
35  * Adapter class for binding favorite contacts.
36  */
37 public class FavoriteAdapter extends RecyclerView.Adapter<FavoriteContactViewHolder> {
38     private static final String TAG = "CD.FavoriteAdapter";
39     static final int TYPE_CONTACT = 0;
40     static final int TYPE_HEADER = 1;
41     static final int TYPE_ADD_FAVORITE = 2;
42 
43     /**
44      * Listener interface for when the add favorite button is clicked
45      */
46     public interface OnAddFavoriteClickedListener {
47         /**
48          * Called when the add favorite button is clicked
49          */
onAddFavoriteClicked()50         void onAddFavoriteClicked();
51     }
52 
53     private List<Object> mFavoriteContacts = Collections.emptyList();
54     private OnItemClickedListener<Contact> mListener;
55     private OnAddFavoriteClickedListener mAddFavoriteListener;
56 
57     /**
58      * Sets the favorite contact list.
59      */
setFavoriteContacts(List<Object> favoriteContacts)60     public void setFavoriteContacts(List<Object> favoriteContacts) {
61         L.d(TAG, "setFavoriteContacts %s", favoriteContacts);
62         mFavoriteContacts = (favoriteContacts != null) ? favoriteContacts : Collections.emptyList();
63         notifyDataSetChanged();
64     }
65 
66     @Override
getItemCount()67     public int getItemCount() {
68         return mFavoriteContacts.size();
69     }
70 
71     @Override
getItemViewType(int position)72     public int getItemViewType(int position) {
73         Object item = mFavoriteContacts.get(position);
74         if (item instanceof Contact) {
75             return TYPE_CONTACT;
76         } else if (item instanceof Header) {
77             return TYPE_HEADER;
78         } else {
79             return TYPE_ADD_FAVORITE;
80         }
81     }
82 
83     @Override
onCreateViewHolder(ViewGroup parent, int viewType)84     public FavoriteContactViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
85         int layoutId;
86         if (viewType == TYPE_CONTACT) {
87             layoutId = R.layout.favorite_contact_list_item;
88         } else if (viewType == TYPE_HEADER) {
89             layoutId = R.layout.header_item;
90         } else {
91             layoutId = R.layout.add_favorite_list_item;
92         }
93 
94         View view = LayoutInflater.from(parent.getContext()).inflate(layoutId, parent, false);
95         return new FavoriteContactViewHolder(view);
96     }
97 
98     @Override
onBindViewHolder(FavoriteContactViewHolder viewHolder, int position)99     public void onBindViewHolder(FavoriteContactViewHolder viewHolder, int position) {
100         int itemViewType = getItemViewType(position);
101         switch (itemViewType) {
102             case TYPE_CONTACT:
103                 Contact contact = (Contact) mFavoriteContacts.get(position);
104                 viewHolder.onBind(contact);
105                 viewHolder.itemView.setOnClickListener(v -> onItemViewClicked(contact));
106                 break;
107             case TYPE_HEADER:
108                 Header header = (Header) mFavoriteContacts.get(position);
109                 viewHolder.onBind(header);
110                 viewHolder.itemView.setOnClickListener(null);
111                 break;
112             case TYPE_ADD_FAVORITE:
113                 viewHolder.itemView.setOnClickListener(v -> {
114                     if (mAddFavoriteListener != null) {
115                         mAddFavoriteListener.onAddFavoriteClicked();
116                     }
117                 });
118                 break;
119         }
120     }
121 
onItemViewClicked(Contact contact)122     private void onItemViewClicked(Contact contact) {
123         if (mListener != null) {
124             mListener.onItemClicked(contact);
125         }
126     }
127 
128     /**
129      * Sets a {@link OnItemClickedListener listener} which will be called when an item is clicked.
130      */
setOnListItemClickedListener(OnItemClickedListener<Contact> listener)131     public void setOnListItemClickedListener(OnItemClickedListener<Contact> listener) {
132         mListener = listener;
133     }
134 
135     /**
136      * Sets a {@link OnAddFavoriteClickedListener listener} which will be called when the "Add
137      * favorite" button is clicked.
138      */
setOnAddFavoriteClickedListener(OnAddFavoriteClickedListener listener)139     public void setOnAddFavoriteClickedListener(OnAddFavoriteClickedListener listener) {
140         mAddFavoriteListener = listener;
141     }
142 }
143