windowsizeclass

windowsizeclass.kt

value class WindowWidthSizeClass private constructor(private val value: String) {
    companion object {
        /** Represents the majority of phones in portrait. */
        val Compact = WindowWidthSizeClass("Compact")

        /**
         * Represents the majority of tablets in portrait and large unfolded inner displays in
         * portrait.
         */
        val Medium = WindowWidthSizeClass("Medium")

        /**
         * Represents the majority of tablets in landscape and large unfolded inner displays in
         * landscape.
         */
        val Expanded = WindowWidthSizeClass("Expanded")

        /** Calculates the [WindowWidthSizeClass] for a given [width] */
        internal fun fromWidth(width: Dp): WindowWidthSizeClass {
            require(width >= 0.dp) { "Width must not be negative" }
            return when {
                width < 600.dp -> Compact
                width < 840.dp -> Medium
                else -> Expanded
            }
        }
    }
}