1 /* 2 * Copyright (C) 2025 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.quickstep.recents.domain.usecase 18 19 import android.graphics.Bitmap 20 import android.view.Surface 21 import com.android.quickstep.recents.data.RecentsRotationStateRepository 22 import com.android.systemui.shared.recents.model.ThumbnailData 23 import com.android.systemui.shared.recents.utilities.PreviewPositionHelper 24 import com.android.systemui.shared.recents.utilities.Utilities 25 26 /** 27 * Use case responsible for validating the aspect ratio and rotation of a thumbnail against the 28 * expected values based on the view's dimensions and the current rotation state. 29 * 30 * This class checks if the thumbnail's aspect ratio significantly differs from the aspect ratio of 31 * the view it is intended to be displayed in, and if the thumbnail's rotation is consistent with 32 * the device's current rotation state. 33 * 34 * @property rotationStateRepository Repository providing the current rotation state of the device. 35 */ 36 class IsThumbnailValidUseCase(private val rotationStateRepository: RecentsRotationStateRepository) { invokenull37 operator fun invoke(thumbnailData: ThumbnailData?, viewWidth: Int, viewHeight: Int): Boolean { 38 val thumbnail = thumbnailData?.thumbnail ?: return false 39 return !isInaccurateThumbnail(thumbnail, viewWidth, viewHeight, thumbnailData.rotation) 40 } 41 isInaccurateThumbnailnull42 private fun isInaccurateThumbnail( 43 thumbnail: Bitmap, 44 viewWidth: Int, 45 viewHeight: Int, 46 rotation: Int, 47 ): Boolean = 48 isAspectRatioDifferentFromViewAspectRatio( 49 thumbnail = thumbnail, 50 width = viewWidth.toFloat(), 51 height = viewHeight.toFloat(), 52 ) || isRotationDifferentFromTask(rotation) 53 54 private fun isAspectRatioDifferentFromViewAspectRatio( 55 thumbnail: Bitmap, 56 width: Float, 57 height: Float, 58 ): Boolean { 59 return Utilities.isRelativePercentDifferenceGreaterThan( 60 /* first = */ width / height, 61 /* second = */ thumbnail.width / thumbnail.height.toFloat(), 62 /* bound = */ PreviewPositionHelper.MAX_PCT_BEFORE_ASPECT_RATIOS_CONSIDERED_DIFFERENT, 63 ) 64 } 65 isRotationDifferentFromTasknull66 private fun isRotationDifferentFromTask(thumbnailRotation: Int): Boolean { 67 val rotationState = rotationStateRepository.getRecentsRotationState() 68 return if (rotationState.orientationHandlerRotation == Surface.ROTATION_0) { 69 (rotationState.activityRotation - thumbnailRotation) % 2 != 0 70 } else { 71 rotationState.orientationHandlerRotation != thumbnailRotation 72 } 73 } 74 } 75