| /* |
| * 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.media.ExifInterface; |
| 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 filepath where the image is located. |
| * @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 { |
| // BitmapFactory.decodeStream strips exif data, so we need to save it here and apply it later. |
| int rotation = 0; |
| try { |
| rotation = |
| new ExifInterface(input.getPath()) |
| .getAttributeInt(ExifInterface.TAG_ORIENTATION, ExifInterface.ORIENTATION_NORMAL); |
| } catch (Exception ignored) { |
| // Couldn't get exif tags, not the end of the world |
| } |
| |
| try (InputStream inputStream = context.getContentResolver().openInputStream(input)) { |
| Bitmap bitmap = BitmapFactory.decodeStream(inputStream); |
| bitmap = BitmapResizer.resizeForEnrichedCalling(bitmap, exifToDegrees(rotation)); |
| |
| 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); |
| } |
| } |
| } |
| |
| private static int exifToDegrees(int exifOrientation) { |
| switch (exifOrientation) { |
| case ExifInterface.ORIENTATION_ROTATE_90: |
| return 90; |
| case ExifInterface.ORIENTATION_ROTATE_180: |
| return 180; |
| case ExifInterface.ORIENTATION_ROTATE_270: |
| return 270; |
| default: |
| return 0; |
| } |
| } |
| } |