mosaic-client/dev.catbit.mosaic.client.ui.sdui.foundation.data_mailer/DataMailer

DataMailer

App-wide, one-shot mailbox for moving a value between two otherwise unrelated parts of the tile tree — typically two different screens — without threading it through navigation arguments.

A single Koin single instance backs the whole app (wired in MosaicModules.applicationModule), so any key written via sendData is visible from any screen's CheckForReceivedData, regardless of navigation graph. This is the mechanism behind the server DSL's SendData/ CheckForReceivedData event pair.

Constructors

DataMailer

constructor()

Functions

getData

fun getData(dataKey: String): Any?

Reads and immediately removes the value stored under dataKey — a one-shot read: a second call with the same dataKey before another sendData returns null. The mechanism behind CheckForReceivedData.

sendData

fun sendData(dataKey: String, data: Any)

Stores data under dataKey, overwriting whatever was previously stored under that key (read or not). The mechanism behind SendData.