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      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 
     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      */
     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
     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
     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      */
    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 
    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