| /* |
| * 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.systemui.shared.recents.model; |
| |
| import static android.app.WindowConfiguration.ROTATION_UNDEFINED; |
| import static android.app.WindowConfiguration.WINDOWING_MODE_UNDEFINED; |
| import static android.content.res.Configuration.ORIENTATION_UNDEFINED; |
| import static android.graphics.Bitmap.Config.ARGB_8888; |
| |
| import android.graphics.Bitmap; |
| import android.graphics.Color; |
| import android.graphics.Point; |
| import android.graphics.Rect; |
| import android.hardware.HardwareBuffer; |
| import android.util.Log; |
| import android.view.WindowInsetsController.Appearance; |
| import android.window.TaskSnapshot; |
| |
| import java.util.HashMap; |
| |
| /** |
| * Data for a single thumbnail. |
| */ |
| public class ThumbnailData { |
| |
| public final Bitmap thumbnail; |
| public int orientation; |
| public int rotation; |
| public Rect insets; |
| public Rect letterboxInsets; |
| public boolean reducedResolution; |
| public boolean isRealSnapshot; |
| public boolean isTranslucent; |
| public int windowingMode; |
| public @Appearance int appearance; |
| public float scale; |
| public long snapshotId; |
| |
| public ThumbnailData() { |
| thumbnail = null; |
| orientation = ORIENTATION_UNDEFINED; |
| rotation = ROTATION_UNDEFINED; |
| insets = new Rect(); |
| letterboxInsets = new Rect(); |
| reducedResolution = false; |
| scale = 1f; |
| isRealSnapshot = true; |
| isTranslucent = false; |
| windowingMode = WINDOWING_MODE_UNDEFINED; |
| snapshotId = 0; |
| } |
| |
| public void recycleBitmap() { |
| if (thumbnail != null) { |
| thumbnail.recycle(); |
| } |
| } |
| |
| private static Bitmap makeThumbnail(TaskSnapshot snapshot) { |
| Bitmap thumbnail = null; |
| try (final HardwareBuffer buffer = snapshot.getHardwareBuffer()) { |
| if (buffer != null) { |
| thumbnail = Bitmap.wrapHardwareBuffer(buffer, snapshot.getColorSpace()); |
| } |
| } catch (IllegalArgumentException ex) { |
| // TODO(b/157562905): Workaround for a crash when we get a snapshot without this state |
| Log.e("ThumbnailData", "Unexpected snapshot without USAGE_GPU_SAMPLED_IMAGE: " |
| + snapshot.getHardwareBuffer(), ex); |
| } |
| if (thumbnail == null) { |
| Point taskSize = snapshot.getTaskSize(); |
| thumbnail = Bitmap.createBitmap(taskSize.x, taskSize.y, ARGB_8888); |
| thumbnail.eraseColor(Color.BLACK); |
| } |
| return thumbnail; |
| } |
| |
| public static HashMap<Integer, ThumbnailData> wrap(int[] taskIds, TaskSnapshot[] snapshots) { |
| HashMap<Integer, ThumbnailData> temp = new HashMap<>(); |
| if (taskIds == null || snapshots == null || taskIds.length != snapshots.length) { |
| return temp; |
| } |
| |
| for (int i = snapshots.length - 1; i >= 0; i--) { |
| temp.put(taskIds[i], new ThumbnailData(snapshots[i])); |
| } |
| return temp; |
| } |
| |
| public ThumbnailData(TaskSnapshot snapshot) { |
| thumbnail = makeThumbnail(snapshot); |
| insets = new Rect(snapshot.getContentInsets()); |
| letterboxInsets = new Rect(snapshot.getLetterboxInsets()); |
| orientation = snapshot.getOrientation(); |
| rotation = snapshot.getRotation(); |
| reducedResolution = snapshot.isLowResolution(); |
| // TODO(b/149579527): Pass task size instead of computing scale. |
| // Assume width and height were scaled the same; compute scale only for width |
| scale = (float) thumbnail.getWidth() / snapshot.getTaskSize().x; |
| isRealSnapshot = snapshot.isRealSnapshot(); |
| isTranslucent = snapshot.isTranslucent(); |
| windowingMode = snapshot.getWindowingMode(); |
| appearance = snapshot.getAppearance(); |
| snapshotId = snapshot.getId(); |
| } |
| } |