dialog.kt

@Composable
fun Dialog(
    onDismissRequest: () -> Unit,
    properties: DialogProperties = DialogProperties(),
    content: @Composable () -> Unit
) {
    val view = LocalView.current
    val density = LocalDensity.current
    val layoutDirection = LocalLayoutDirection.current
    val composition = rememberCompositionContext()
    val currentContent by rememberUpdatedState(content)
    val dialogId = rememberSaveable { UUID.randomUUID() }
    val dialog = remember(view, density) {
        DialogWrapper(
            onDismissRequest,
            properties,
            view,
            layoutDirection,
            density,
            dialogId
        ).apply {
            setContent(composition) {
                // TODO(b/159900354): draw a scrim and add margins around the Compose Dialog, and
                //  consume clicks so they can't pass through to the underlying UI
                DialogLayout(
                    Modifier.semantics { dialog() },
                ) {
                    currentContent()
                }
            }
        }
    }

    DisposableEffect(dialog) {
        dialog.show()

        onDispose {
            dialog.dismiss()
            dialog.disposeComposition()
        }
    }

    SideEffect {
        dialog.updateParameters(
            onDismissRequest = onDismissRequest,
            properties = properties,
            layoutDirection = layoutDirection
        )
    }
}