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