AndroidDevChallenge_Week4_JetWeatherfy_5

weatherfy_5.kt

@Composable
fun Curtain(
    isOpenedFromOutside: Boolean? = null,
    foldingDuration: Int = 250,
    mainCell: @Composable () -> Unit,
    foldCells: List<@Composable () -> Unit>
) {
    var isOpened by remember { mutableStateOf(false) }
    var isTransitionRunning by remember { mutableStateOf(false) }
    val foldScope = rememberCoroutineScope()

    fun toggleCurtain() {
        if (!isTransitionRunning) {
            isTransitionRunning = true
            isOpened = !isOpened

            foldScope.launch {
                delay(foldingDuration.toLong() * foldCells.size)
                isTransitionRunning = false
            }
        }
    }

    if (isOpenedFromOutside != null) {
        isOpened = isOpenedFromOutside
    }

    Box(
        modifier = Modifier.curtainModifier(isOpenedFromOutside != null, onClick = { toggleCurtain() })
    ) {
        ...
    }
}


private fun Modifier.curtainModifier(externalControl: Boolean = false, onClick: () -> Unit): Modifier {
    val modifier = wrapContentSize()
    return if (!externalControl) modifier.clickable { onClick() } else modifier
}