fun WelcomeScreen()

in Jetsurvey/app/src/main/java/com/example/compose/jetsurvey/signinsignup/WelcomeScreen.kt [62:104]
42 lines of code
4 McCabe index (conditional complexity)

fun WelcomeScreen(onEvent: (WelcomeEvent) -> Unit) {
    var brandingBottom by remember { mutableStateOf(0f) }
    var showBranding by remember { mutableStateOf(true) }
    var heightWithBranding by remember { mutableStateOf(0) }

    val currentOffsetHolder = remember { mutableStateOf(0f) }
    currentOffsetHolder.value = if (showBranding) 0f else -brandingBottom
    val currentOffsetHolderDp =
        with(LocalDensity.current) { currentOffsetHolder.value.toDp() }
    val heightDp = with(LocalDensity.current) { heightWithBranding.toDp() }
    Surface(modifier = Modifier.supportWideScreen()) {
        val offset by animateDpAsState(targetValue = currentOffsetHolderDp)
        Column(
            modifier = Modifier
                .fillMaxWidth()
                .brandingPreferredHeight(showBranding, heightDp)
                .offset(y = offset)
                .onSizeChanged {
                    if (showBranding) {
                        heightWithBranding = it.height
                    }
                }
        ) {
            Branding(
                modifier = Modifier
                    .fillMaxWidth()
                    .weight(1f)
                    .onGloballyPositioned {
                        if (brandingBottom == 0f) {
                            brandingBottom = it.boundsInParent().bottom
                        }
                    }
            )
            SignInCreateAccount(
                onEvent = onEvent,
                onFocusChange = { focused -> showBranding = !focused },
                modifier = Modifier
                    .fillMaxWidth()
                    .padding(horizontal = 20.dp)
            )
        }
    }
}