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/*
* Copyright (C) 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.dialer.contactinfo;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.drawable.Drawable;
import android.provider.MediaStore;
import android.support.annotation.Nullable;
import android.support.v4.graphics.drawable.RoundedBitmapDrawable;
import android.support.v4.graphics.drawable.RoundedBitmapDrawableFactory;
import android.util.Log;
import com.android.contacts.common.GeoUtil;
import com.android.contacts.common.lettertiles.LetterTileDrawable;
import com.android.dialer.R;
import com.android.dialer.calllog.ContactInfo;
import com.android.dialer.calllog.ContactInfoHelper;
import com.android.dialer.util.Assert;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.base.Preconditions;
import java.io.IOException;
/**
* Class to create the appropriate contact icon from a ContactInfo.
* This class is for synchronous, blocking calls to generate bitmaps, while
* ContactCommons.ContactPhotoManager is to cache, manage and update a ImageView asynchronously.
*/
public class ContactPhotoLoader {
private static final String TAG = "ContactPhotoLoader";
private final Context mContext;
private final ContactInfo mContactInfo;
public ContactPhotoLoader(Context context, ContactInfo contactInfo) {
mContext = Preconditions.checkNotNull(context);
mContactInfo = Preconditions.checkNotNull(contactInfo);
}
/**
* Create a contact photo icon bitmap appropriate for the ContactInfo.
*/
public Bitmap loadPhotoIcon() {
Assert.assertNotUiThread("ContactPhotoLoader#loadPhotoIcon called on UI thread");
int photoSize = mContext.getResources().getDimensionPixelSize(R.dimen.contact_photo_size);
return drawableToBitmap(getIcon(), photoSize, photoSize);
}
@VisibleForTesting
Drawable getIcon() {
Drawable drawable = createPhotoIconDrawable();
if (drawable == null) {
drawable = createLetterTileDrawable();
}
return drawable;
}
/**
* @return a {@link Drawable} of circular photo icon if the photo can be loaded, {@code null}
* otherwise.
*/
@Nullable
private Drawable createPhotoIconDrawable() {
if (mContactInfo.photoUri == null) {
return null;
}
try {
Bitmap bitmap = MediaStore.Images.Media.getBitmap(mContext.getContentResolver(),
mContactInfo.photoUri);
final RoundedBitmapDrawable drawable =
RoundedBitmapDrawableFactory.create(mContext.getResources(), bitmap);
drawable.setAntiAlias(true);
drawable.setCornerRadius(bitmap.getHeight() / 2);
return drawable;
} catch (IOException e) {
Log.e(TAG, e.toString());
return null;
}
}
/**
* @return a {@link LetterTileDrawable} based on the ContactInfo.
*/
private Drawable createLetterTileDrawable() {
LetterTileDrawable drawable = new LetterTileDrawable(mContext.getResources());
drawable.setIsCircular(true);
ContactInfoHelper helper =
new ContactInfoHelper(mContext, GeoUtil.getCurrentCountryIso(mContext));
if (helper.isBusiness(mContactInfo.sourceType)) {
drawable.setContactType(LetterTileDrawable.TYPE_BUSINESS);
}
drawable.setLetterAndColorFromContactDetails(mContactInfo.name, mContactInfo.lookupKey);
return drawable;
}
private static Bitmap drawableToBitmap(Drawable drawable, int width, int height) {
Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
Canvas canvas = new Canvas(bitmap);
drawable.setBounds(0, 0, canvas.getWidth(), canvas.getHeight());
drawable.draw(canvas);
return bitmap;
}
}
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