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.systemui.statusbar.notification.row.shared 18 19 import android.content.Context 20 import android.graphics.Color 21 import android.graphics.drawable.Drawable 22 import com.android.internal.util.ContrastColorUtil 23 import com.android.systemui.dagger.SysUISingleton 24 import com.android.systemui.shade.ShadeDisplayAware 25 import javax.inject.Inject 26 27 /** 28 * An [ImageModelProvider.ImageTransform] which acts as a filter to only return a drawable that is 29 * grayscale, and tints it to white for display on the AOD. 30 */ 31 @SysUISingleton 32 class SkeletonImageTransform @Inject constructor(@ShadeDisplayAware context: Context) : 33 ImageModelProvider.ImageTransform("Skeleton") { 34 35 override val requiresSoftwareBitmapInput: Boolean = true 36 37 private val contrastColorUtil = ContrastColorUtil.getInstance(context) 38 transformDrawablenull39 override fun transformDrawable(input: Drawable): Drawable? { 40 return input 41 .takeIf { contrastColorUtil.isGrayscaleIcon(it) } 42 ?.mutate() 43 ?.apply { setTint(Color.WHITE) } 44 } 45 } 46