1 /*
2  * Copyright (C) 2022 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.settingslib.spa.framework.compose
18 
19 import androidx.compose.foundation.layout.PaddingValues
20 import androidx.compose.ui.unit.Dp
21 import androidx.compose.ui.unit.LayoutDirection
22 import androidx.compose.ui.unit.dp
23 
horizontalValuesnull24 internal fun PaddingValues.horizontalValues(): PaddingValues = HorizontalPaddingValues(this)
25 
26 internal fun PaddingValues.verticalValues(): PaddingValues = VerticalPaddingValues(this)
27 
28 private class HorizontalPaddingValues(private val paddingValues: PaddingValues) : PaddingValues {
29     override fun calculateLeftPadding(layoutDirection: LayoutDirection) =
30         paddingValues.calculateLeftPadding(layoutDirection)
31 
32     override fun calculateTopPadding(): Dp = 0.dp
33 
34     override fun calculateRightPadding(layoutDirection: LayoutDirection) =
35         paddingValues.calculateRightPadding(layoutDirection)
36 
37     override fun calculateBottomPadding() = 0.dp
38 }
39 
40 private class VerticalPaddingValues(private val paddingValues: PaddingValues) : PaddingValues {
calculateLeftPaddingnull41     override fun calculateLeftPadding(layoutDirection: LayoutDirection) = 0.dp
42 
43     override fun calculateTopPadding(): Dp = paddingValues.calculateTopPadding()
44 
45     override fun calculateRightPadding(layoutDirection: LayoutDirection) = 0.dp
46 
47     override fun calculateBottomPadding() = paddingValues.calculateBottomPadding()
48 }
49