1/*
2 * Copyright (C) 2016 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
17package com.android.dialer.app.contactinfo;
18
19import android.content.Context;
20import android.graphics.Bitmap;
21import android.graphics.BitmapFactory;
22import android.graphics.Canvas;
23import android.graphics.drawable.Drawable;
24import android.support.annotation.Nullable;
25import android.support.annotation.VisibleForTesting;
26import android.support.v4.graphics.drawable.RoundedBitmapDrawable;
27import android.support.v4.graphics.drawable.RoundedBitmapDrawableFactory;
28import com.android.contacts.common.lettertiles.LetterTileDrawable;
29import com.android.dialer.app.R;
30import com.android.dialer.common.Assert;
31import com.android.dialer.common.LogUtil;
32import com.android.dialer.location.GeoUtil;
33import com.android.dialer.phonenumbercache.ContactInfo;
34import com.android.dialer.phonenumbercache.ContactInfoHelper;
35import java.io.IOException;
36import java.io.InputStream;
37import java.util.Objects;
38
39/**
40 * Class to create the appropriate contact icon from a ContactInfo. This class is for synchronous,
41 * blocking calls to generate bitmaps, while ContactCommons.ContactPhotoManager is to cache, manage
42 * and update a ImageView asynchronously.
43 */
44public class ContactPhotoLoader {
45
46  private final Context mContext;
47  private final ContactInfo mContactInfo;
48
49  public ContactPhotoLoader(Context context, ContactInfo contactInfo) {
50    mContext = Objects.requireNonNull(context);
51    mContactInfo = Objects.requireNonNull(contactInfo);
52  }
53
54  private static Bitmap drawableToBitmap(Drawable drawable, int width, int height) {
55    Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
56    Canvas canvas = new Canvas(bitmap);
57    drawable.setBounds(0, 0, canvas.getWidth(), canvas.getHeight());
58    drawable.draw(canvas);
59    return bitmap;
60  }
61
62  /** Create a contact photo icon bitmap appropriate for the ContactInfo. */
63  public Bitmap loadPhotoIcon() {
64    Assert.isWorkerThread();
65    int photoSize = mContext.getResources().getDimensionPixelSize(R.dimen.contact_photo_size);
66    return drawableToBitmap(getIcon(), photoSize, photoSize);
67  }
68
69  @VisibleForTesting
70  Drawable getIcon() {
71    Drawable drawable = createPhotoIconDrawable();
72    if (drawable == null) {
73      drawable = createLetterTileDrawable();
74    }
75    return drawable;
76  }
77
78  /**
79   * @return a {@link Drawable} of circular photo icon if the photo can be loaded, {@code null}
80   *     otherwise.
81   */
82  @Nullable
83  private Drawable createPhotoIconDrawable() {
84    if (mContactInfo.photoUri == null) {
85      return null;
86    }
87    try {
88      InputStream input = mContext.getContentResolver().openInputStream(mContactInfo.photoUri);
89      if (input == null) {
90        LogUtil.w(
91            "ContactPhotoLoader.createPhotoIconDrawable",
92            "createPhotoIconDrawable: InputStream is null");
93        return null;
94      }
95      Bitmap bitmap = BitmapFactory.decodeStream(input);
96      input.close();
97
98      if (bitmap == null) {
99        LogUtil.w(
100            "ContactPhotoLoader.createPhotoIconDrawable",
101            "createPhotoIconDrawable: Bitmap is null");
102        return null;
103      }
104      final RoundedBitmapDrawable drawable =
105          RoundedBitmapDrawableFactory.create(mContext.getResources(), bitmap);
106      drawable.setAntiAlias(true);
107      drawable.setCircular(true);
108      return drawable;
109    } catch (IOException e) {
110      LogUtil.e("ContactPhotoLoader.createPhotoIconDrawable", e.toString());
111      return null;
112    }
113  }
114
115  /** @return a {@link LetterTileDrawable} based on the ContactInfo. */
116  private Drawable createLetterTileDrawable() {
117    ContactInfoHelper helper =
118        new ContactInfoHelper(mContext, GeoUtil.getCurrentCountryIso(mContext));
119    LetterTileDrawable drawable = new LetterTileDrawable(mContext.getResources());
120    drawable.setCanonicalDialerLetterTileDetails(
121        mContactInfo.name,
122        mContactInfo.lookupKey,
123        LetterTileDrawable.SHAPE_CIRCLE,
124        helper.isBusiness(mContactInfo.sourceType)
125            ? LetterTileDrawable.TYPE_BUSINESS
126            : LetterTileDrawable.TYPE_DEFAULT);
127    return drawable;
128  }
129}
130