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      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.content.Context;
     20 import android.content.Intent;
     21 import android.graphics.Bitmap;
     22 import android.graphics.BitmapFactory;
     23 import android.net.Uri;
     24 import android.support.annotation.Nullable;
     25 import android.support.v7.widget.RecyclerView;
     26 import android.view.View;
     27 import android.widget.ImageView;
     28 import android.widget.TextView;
     29 
     30 import com.android.car.apps.common.CircleBitmapDrawable;
     31 import com.android.car.apps.common.LetterTileDrawable;
     32 
     33 import java.io.FileNotFoundException;
     34 import java.io.InputStream;
     35 
     36 /**
     37  * A {@link android.support.v7.widget.RecyclerView.ViewHolder} that will parse relevant
     38  * views out of a {@code contact_result} layout.
     39  */
     40 public class ContactResultViewHolder extends RecyclerView.ViewHolder {
     41     private final Context mContext;
     42     private final View mContactCard;
     43     private final TextView mContactName;
     44     private final ImageView mContactPicture;
     45 
     46     public ContactResultViewHolder(View view) {
     47         super(view);
     48         mContext = view.getContext();
     49         mContactCard = view.findViewById(R.id.contact_result_card);
     50         mContactName = view.findViewById(R.id.contact_name);
     51         mContactPicture = view.findViewById(R.id.contact_picture);
     52     }
     53 
     54     /**
     55      * Populates the view that is represented by this ViewHolder with the information in the
     56      * provided {@link ContactDetails}.
     57      */
     58     public void bind(ContactDetails details, int itemCount) {
     59         updateBackground(itemCount);
     60 
     61         mContactCard.setOnClickListener(v -> {
     62             Intent intent = new Intent();
     63             intent.setAction(TelecomIntents.ACTION_SHOW_CONTACT_DETAILS);
     64             intent.putExtra(TelecomIntents.CONTACT_LOOKUP_URI_EXTRA, details.lookupUri.toString());
     65             mContext.startActivity(intent);
     66         });
     67 
     68         mContactName.setText(details.displayName);
     69 
     70         if (details.photoUri == null) {
     71             setLetterDrawableForContact(details);
     72             return;
     73         }
     74 
     75         Bitmap bitmap = getContactBitmapFromUri(mContext, details.photoUri);
     76         if (bitmap == null) {
     77             setLetterDrawableForContact(details);
     78         } else {
     79             mContactPicture.setScaleType(ImageView.ScaleType.CENTER_CROP);
     80             mContactPicture.setImageDrawable(
     81                     new CircleBitmapDrawable(mContext.getResources(), bitmap));
     82         }
     83     }
     84 
     85     /**
     86      * Sets the contact picture to be a rounded, colored circle that has the first letter of the
     87      * contact's name in it.
     88      */
     89     private void setLetterDrawableForContact(ContactDetails details) {
     90         mContactPicture.setScaleType(ImageView.ScaleType.CENTER_INSIDE);
     91         LetterTileDrawable letterTileDrawable = new LetterTileDrawable(mContext.getResources());
     92         letterTileDrawable.setContactDetails(details.displayName, details.displayName);
     93         letterTileDrawable.setIsCircular(true);
     94         mContactPicture.setImageDrawable(letterTileDrawable);
     95     }
     96 
     97     /**
     98      * Sets the appropriate background on the card containing the preset information. The cards
     99      * need to have rounded corners depending on its position in the list and the number of items
    100      * in the list.
    101      */
    102     private void updateBackground(int itemCount) {
    103         int position = getAdapterPosition();
    104 
    105         // Correctly set the background for each card. Only the top and last card should
    106         // have rounded corners.
    107         if (itemCount == 1) {
    108             // One card - all corners are rounded
    109             mContactCard.setBackgroundResource(
    110                     R.drawable.car_card_rounded_top_bottom_background);
    111         } else if (position == 0) {
    112             // First card gets rounded top
    113             mContactCard.setBackgroundResource(R.drawable.car_card_rounded_top_background);
    114         } else if (position == itemCount - 1) {
    115             // Last one has a rounded bottom
    116             mContactCard.setBackgroundResource(R.drawable.car_card_rounded_bottom_background);
    117         } else {
    118             // Middle has no rounded corners
    119             mContactCard.setBackgroundResource(R.color.car_card);
    120         }
    121     }
    122 
    123     /**
    124      * Retrieves the picture that is specified by the given {@link Uri}.
    125      */
    126     @Nullable
    127     private static Bitmap getContactBitmapFromUri(Context context, Uri uri) {
    128         try {
    129             InputStream input = context.getContentResolver().openInputStream(uri);
    130             return input == null ? null : BitmapFactory.decodeStream(input);
    131         } catch (FileNotFoundException e) {
    132             return null;
    133         }
    134     }
    135 
    136     /**
    137      * A struct that holds the details for a contact row.
    138      */
    139     public static class ContactDetails {
    140         public final String displayName;
    141         public final Uri photoUri;
    142         public final Uri lookupUri;
    143 
    144         public ContactDetails(String displayName, String photoUri, Uri lookupUri) {
    145             this.displayName = displayName;
    146             this.photoUri = photoUri == null ? null : Uri.parse(photoUri);
    147             this.lookupUri = lookupUri;
    148         }
    149     }
    150 }
    151