Added start method to EventListener (slackhq#398)

Adding `start` method to `EventListener` interface
rharter · Jan 18, 2023 · 49778a5 · 49778a5
1 parent e11e7f0
commit 49778a5
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diff --git a/circuit/src/commonMain/kotlin/com/slack/circuit/CircuitContent.kt b/circuit/src/commonMain/kotlin/com/slack/circuit/CircuitContent.kt
@@ -72,7 +72,10 @@ internal fun CircuitContent(
     remember(screen, context) {
       circuitConfig.eventListenerFactory?.create(screen, context) ?: EventListener.NONE
     }
-  DisposableEffect(screen, context) { onDispose { eventListener.dispose() } }
+  DisposableEffect(screen, context) {
+    eventListener.start()
+    onDispose { eventListener.dispose() }
+  }
 
   eventListener.onBeforeCreatePresenter(screen, navigator, context)
   @Suppress("UNCHECKED_CAST")

diff --git a/circuit/src/commonMain/kotlin/com/slack/circuit/EventListener.kt b/circuit/src/commonMain/kotlin/com/slack/circuit/EventListener.kt
@@ -61,6 +61,9 @@ public interface EventListener {
   /** Called once after the [Ui.Content] composition is disposed. */
   public fun onDisposeContent() {}
 
+  /** Called once before doing any processing for the requested circuit. */
+  public fun start() {}
+
   /**
    * Called once when this [EventListener] should be disposed and the corresponding circuit is
    * disposed.