| /* |
| * 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.util; |
| |
| 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 com.android.dialer.common.Assert; |
| import com.android.dialer.common.FallibleAsyncTask; |
| import com.android.dialer.common.LogUtil; |
| import com.android.dialer.util.DialerUtils; |
| import java.io.File; |
| import java.io.FileOutputStream; |
| import java.io.OutputStream; |
| |
| /** Task for copying and resizing images to be shared with RCS process. */ |
| @TargetApi(VERSION_CODES.M) |
| public class CopyAndResizeImageTask extends FallibleAsyncTask<Void, Void, File> { |
| public static final int MAX_OUTPUT_RESOLUTION = 1024; |
| private static final String MIME_TYPE = "image/jpeg"; |
| |
| private final Context context; |
| private final Uri uri; |
| private final Callback callback; |
| |
| public CopyAndResizeImageTask( |
| @NonNull Context context, @NonNull Uri uri, @NonNull Callback callback) { |
| this.context = Assert.isNotNull(context); |
| this.uri = Assert.isNotNull(uri); |
| this.callback = Assert.isNotNull(callback); |
| } |
| |
| @Nullable |
| @Override |
| protected File doInBackgroundFallible(Void... params) throws Throwable { |
| Bitmap bitmap = BitmapFactory.decodeStream(context.getContentResolver().openInputStream(uri)); |
| bitmap = 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, 90, outputStream); |
| return outputFile; |
| } |
| } |
| |
| @Override |
| protected void onPostExecute(FallibleTaskResult<File> result) { |
| if (result.isFailure()) { |
| callback.onCopyFailed(result.getThrowable()); |
| } else { |
| callback.onCopySuccessful(result.getResult(), MIME_TYPE); |
| } |
| } |
| |
| public static Bitmap resizeForEnrichedCalling(Bitmap image) { |
| Assert.isWorkerThread(); |
| |
| int width = image.getWidth(); |
| int height = image.getHeight(); |
| |
| LogUtil.i( |
| "CopyAndResizeImageTask.resizeForEnrichedCalling", |
| "starting height: %d, width: %d", |
| height, |
| width); |
| |
| if (width <= MAX_OUTPUT_RESOLUTION && height <= MAX_OUTPUT_RESOLUTION) { |
| LogUtil.i("CopyAndResizeImageTask.resizeForEnrichedCalling", "no resizing needed"); |
| return image; |
| } |
| |
| if (width > height) { |
| // landscape |
| float ratio = width / (float) MAX_OUTPUT_RESOLUTION; |
| width = MAX_OUTPUT_RESOLUTION; |
| height = (int) (height / ratio); |
| } else if (height > width) { |
| // portrait |
| float ratio = height / (float) MAX_OUTPUT_RESOLUTION; |
| height = MAX_OUTPUT_RESOLUTION; |
| width = (int) (width / ratio); |
| } else { |
| // square |
| height = MAX_OUTPUT_RESOLUTION; |
| width = MAX_OUTPUT_RESOLUTION; |
| } |
| |
| LogUtil.i( |
| "CopyAndResizeImageTask.resizeForEnrichedCalling", |
| "ending height: %d, width: %d", |
| height, |
| width); |
| |
| return Bitmap.createScaledBitmap(image, width, height, true); |
| } |
| |
| /** Callback for callers to know when the task has finished */ |
| public interface Callback { |
| void onCopySuccessful(File file, String mimeType); |
| |
| void onCopyFailed(Throwable throwable); |
| } |
| } |