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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.callcomposer;
import android.annotation.TargetApi;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.Bitmap.CompressFormat;
import android.graphics.BitmapFactory;
import android.net.Uri;
import android.os.Build.VERSION_CODES;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.support.v4.util.Pair;
import com.android.dialer.callcomposer.util.BitmapResizer;
import com.android.dialer.common.Assert;
import com.android.dialer.common.concurrent.DialerExecutor.Worker;
import com.android.dialer.util.DialerUtils;
import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
/** Task for copying and resizing images to be shared with RCS process. */
@TargetApi(VERSION_CODES.M)
class CopyAndResizeImageWorker implements Worker<Uri, Pair<File, String>> {
private static final String MIME_TYPE = "image/jpeg";
private final Context context;
CopyAndResizeImageWorker(@NonNull Context context) {
this.context = Assert.isNotNull(context);
}
/**
* @param input The input Uri is expected to be a image openable by {@link
* android.content.ContentResolver#openInputStream(Uri)}.
* @return a Pair where the File contains the resized image, and the String is the result File's
* MIME type.
*/
@Nullable
@Override
public Pair<File, String> doInBackground(@Nullable Uri input) throws Throwable {
try (InputStream inputStream = context.getContentResolver().openInputStream(input)) {
Bitmap bitmap = BitmapFactory.decodeStream(inputStream);
bitmap = BitmapResizer.resizeForEnrichedCalling(bitmap);
File outputFile = DialerUtils.createShareableFile(context);
try (OutputStream outputStream = new FileOutputStream(outputFile)) {
// Encode images to jpeg as it is better for camera pictures which we expect to be sending
bitmap.compress(CompressFormat.JPEG, 80, outputStream);
return new Pair<>(outputFile, MIME_TYPE);
}
}
}
}
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