1 /* 2 * Copyright 2024 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.photopicker.core.theme 18 19 import androidx.compose.material3.ColorScheme 20 import androidx.compose.runtime.compositionLocalOf 21 import androidx.compose.ui.graphics.Color 22 23 /** Provider for the compose tree */ 24 val LocalFixedAccentColors = <lambda>null25 compositionLocalOf<FixedAccentColors> { error("No LocalFixedAccentColors provided") } 26 27 /** 28 * This fills a gap in the compose Material3 implementation colors roles spec where the fixed accent 29 * color roles are not specified in the primary generated color scheme. 30 * 31 * @See https://m3.material.io/styles/color/roles 32 * 33 * TODO(b/348616038): Remove this implementation when the roles are present in the MaterialTheme 34 */ 35 data class FixedAccentColors 36 private constructor( 37 val primaryFixed: Color, 38 val onPrimaryFixed: Color, 39 val secondaryFixed: Color, 40 val onSecondaryFixed: Color, 41 val tertiaryFixed: Color, 42 val onTertiaryFixed: Color, 43 val primaryFixedDim: Color, 44 val secondaryFixedDim: Color, 45 val tertiaryFixedDim: Color, 46 ) { 47 48 companion object { 49 /** 50 * Builds a [FixedAccentColors] by mapping the fixed colors to their corresponding color 51 * tokens 52 */ buildnull53 fun build(lightColors: ColorScheme, darkColors: ColorScheme): FixedAccentColors { 54 55 return FixedAccentColors( 56 primaryFixed = lightColors.primaryContainer, 57 onPrimaryFixed = lightColors.onPrimaryContainer, 58 secondaryFixed = lightColors.secondaryContainer, 59 onSecondaryFixed = lightColors.onSecondaryContainer, 60 tertiaryFixed = lightColors.tertiaryContainer, 61 onTertiaryFixed = lightColors.onTertiaryContainer, 62 primaryFixedDim = darkColors.primary, 63 secondaryFixedDim = darkColors.secondary, 64 tertiaryFixedDim = darkColors.tertiary 65 ) 66 } 67 } 68 } 69