org.fernice.flare.style.properties.stylestruct.Margin.kt Maven / Gradle / Ivy

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/*
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 */
package org.fernice.flare.style.properties.stylestruct

import org.fernice.flare.style.MutStyleStruct
import org.fernice.flare.style.StyleStruct
import org.fernice.flare.style.properties.longhand.margin.MarginBottomDeclaration
import org.fernice.flare.style.properties.longhand.margin.MarginLeftDeclaration
import org.fernice.flare.style.properties.longhand.margin.MarginRightDeclaration
import org.fernice.flare.style.properties.longhand.margin.MarginTopDeclaration
import org.fernice.flare.style.value.computed.LengthOrPercentageOrAuto

interface Margin : StyleStruct {

    val top: LengthOrPercentageOrAuto
    val right: LengthOrPercentageOrAuto
    val bottom: LengthOrPercentageOrAuto
    val left: LengthOrPercentageOrAuto

    override fun clone(): MutMargin {
        return MutMargin(
            top,
            right,
            bottom,
            left
        )
    }

    companion object {

        val initial: Margin by lazy {
            StaticMargin(
                MarginTopDeclaration.InitialValue,
                MarginRightDeclaration.InitialValue,
                MarginBottomDeclaration.InitialValue,
                MarginLeftDeclaration.InitialValue
            )
        }
    }
}

data class StaticMargin(
    override val top: LengthOrPercentageOrAuto,
    override val right: LengthOrPercentageOrAuto,
    override val bottom: LengthOrPercentageOrAuto,
    override val left: LengthOrPercentageOrAuto
) : Margin

data class MutMargin(
    override var top: LengthOrPercentageOrAuto,
    override var right: LengthOrPercentageOrAuto,
    override var bottom: LengthOrPercentageOrAuto,
    override var left: LengthOrPercentageOrAuto
) : Margin, MutStyleStruct