1 /* 2 * Copyright (C) 2023 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.common.ui.compose.windowinsets 18 19 import androidx.compose.runtime.Composable 20 import androidx.compose.runtime.CompositionLocalProvider 21 import androidx.compose.runtime.getValue 22 import androidx.compose.runtime.staticCompositionLocalOf 23 import androidx.compose.ui.platform.LocalDensity 24 import androidx.compose.ui.unit.dp 25 import androidx.lifecycle.compose.collectAsStateWithLifecycle 26 import kotlinx.coroutines.flow.StateFlow 27 28 /** The bounds and [CutoutLocation] of the current display. */ <lambda>null29val LocalDisplayCutout = staticCompositionLocalOf { DisplayCutout() } 30 31 /** The corner radius in px of the current display. */ <lambda>null32val LocalScreenCornerRadius = staticCompositionLocalOf { 0.dp } 33 34 @Composable ScreenDecorProvidernull35fun ScreenDecorProvider( 36 displayCutout: StateFlow<DisplayCutout>, 37 screenCornerRadius: Float, 38 content: @Composable () -> Unit, 39 ) { 40 val cutout by displayCutout.collectAsStateWithLifecycle() 41 val screenCornerRadiusDp = with(LocalDensity.current) { screenCornerRadius.toDp() } 42 43 CompositionLocalProvider( 44 LocalScreenCornerRadius provides screenCornerRadiusDp, 45 LocalDisplayCutout provides cutout, 46 ) { 47 content() 48 } 49 } 50