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[0.5.x] Cherrypick ResponsiveListHeader (#2093)
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...rial/src/main/java/com/google/android/horologist/compose/material/ResponsiveListHeader.kt
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| Original file line number | Diff line number | Diff line change |
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| /* | ||
| * Copyright 2024 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 | ||
| * | ||
| * https://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. | ||
| */ | ||
|
|
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| package com.google.android.horologist.compose.material | ||
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| import androidx.compose.foundation.background | ||
| import androidx.compose.foundation.layout.IntrinsicSize | ||
| import androidx.compose.foundation.layout.PaddingValues | ||
| import androidx.compose.foundation.layout.Row | ||
| import androidx.compose.foundation.layout.RowScope | ||
| import androidx.compose.foundation.layout.height | ||
| import androidx.compose.foundation.layout.padding | ||
| import androidx.compose.foundation.layout.wrapContentSize | ||
| import androidx.compose.runtime.Composable | ||
| import androidx.compose.runtime.CompositionLocalProvider | ||
| import androidx.compose.ui.Modifier | ||
| import androidx.compose.ui.graphics.Color | ||
| import androidx.compose.ui.platform.LocalConfiguration | ||
| import androidx.compose.ui.semantics.heading | ||
| import androidx.compose.ui.semantics.semantics | ||
| import androidx.compose.ui.unit.dp | ||
| import androidx.wear.compose.material.LocalContentColor | ||
| import androidx.wear.compose.material.LocalTextStyle | ||
| import androidx.wear.compose.material.MaterialTheme | ||
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| @Composable | ||
| public fun ResponsiveListHeader( | ||
| modifier: Modifier = Modifier, | ||
| backgroundColor: Color = Color.Transparent, | ||
| contentColor: Color = MaterialTheme.colors.onSurfaceVariant, | ||
| contentPadding: PaddingValues = ListHeaderDefaults.itemPadding(), | ||
| content: @Composable RowScope.() -> Unit, | ||
| ) { | ||
| Row( | ||
| modifier = modifier | ||
| .height(IntrinsicSize.Min) | ||
| .wrapContentSize() | ||
| .background(backgroundColor) | ||
| .padding(contentPadding) | ||
| .semantics(mergeDescendants = true) { heading() }, | ||
| ) { | ||
| CompositionLocalProvider( | ||
| LocalContentColor provides contentColor, | ||
| LocalTextStyle provides MaterialTheme.typography.button, | ||
| ) { | ||
| content() | ||
| } | ||
| } | ||
| } | ||
|
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| public object ListHeaderDefaults { | ||
| /** | ||
| * Padding for the first item in the list. It is recommended to omit | ||
| * top padding for this item so that it is positioned directly below the | ||
| * list's own top padding. | ||
| */ | ||
| @Composable | ||
| public fun firstItemPadding(): PaddingValues = PaddingValues( | ||
| start = screenWidthDp().dp * HorizontalPaddingPercent, | ||
| end = screenWidthDp().dp * HorizontalPaddingPercent, | ||
| bottom = BottomPadding, | ||
| ) | ||
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| /** | ||
| * Padding for list items other than the top item in the list. | ||
| */ | ||
| @Composable | ||
| public fun itemPadding(): PaddingValues = PaddingValues( | ||
| start = screenWidthDp().dp * HorizontalPaddingPercent, | ||
| end = screenWidthDp().dp * HorizontalPaddingPercent, | ||
| top = TopPadding, | ||
| bottom = BottomPadding, | ||
| ) | ||
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| private const val HorizontalPaddingPercent = 0.073f | ||
| private val TopPadding = 12.dp | ||
| private val BottomPadding = 8.dp | ||
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| @Composable | ||
| internal fun screenHeightDp() = LocalConfiguration.current.screenHeightDp | ||
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| @Composable | ||
| internal fun screenWidthDp() = LocalConfiguration.current.screenWidthDp | ||
| } |