adds new board to game over screen

Author: LandonPatmore

samples/dungeon/app/src/main/java/com/squareup/sample/dungeon/DungeonAppWorkflow.kt

@@ -62,7 +62,9 @@ class DungeonAppWorkflow(
 
     is PlayingGame -> {
       val sessionProps = GameSessionWorkflow.Props(renderState.boardPath, renderProps.paused)
-      val gameScreen = context.renderChild(gameSessionWorkflow, sessionProps)
+      val gameScreen = context.renderChild(gameSessionWorkflow, sessionProps) {
+        action { state = LoadingBoardList }
+      }
       gameScreen
     }
   }

samples/dungeon/app/src/main/java/com/squareup/sample/dungeon/GameSessionWorkflow.kt

@@ -3,6 +3,8 @@
 package com.squareup.sample.dungeon
 
 import android.os.Vibrator
+import com.squareup.sample.dungeon.GameSessionWorkflow.Output
+import com.squareup.sample.dungeon.GameSessionWorkflow.Output.NewBoard
 import com.squareup.sample.dungeon.GameSessionWorkflow.Props
 import com.squareup.sample.dungeon.GameSessionWorkflow.State
 import com.squareup.sample.dungeon.GameSessionWorkflow.State.GameOver
@@ -21,7 +23,10 @@ import com.squareup.workflow1.ui.Screen
 import com.squareup.workflow1.ui.WorkflowUiExperimentalApi
 import com.squareup.workflow1.ui.modal.AlertContainerScreen
 import com.squareup.workflow1.ui.modal.AlertScreen
+import com.squareup.workflow1.ui.modal.AlertScreen.Button.NEGATIVE
+import com.squareup.workflow1.ui.modal.AlertScreen.Button.NEUTRAL
 import com.squareup.workflow1.ui.modal.AlertScreen.Button.POSITIVE
+import com.squareup.workflow1.ui.modal.AlertScreen.Event.ButtonClicked
 
 typealias BoardPath = String
 
@@ -33,7 +38,7 @@ class GameSessionWorkflow(
   private val gameWorkflow: GameWorkflow,
   private val vibrator: Vibrator,
   private val boardLoader: BoardLoader
-) : StatefulWorkflow<Props, State, Nothing, AlertContainerScreen<Any>>() {
+) : StatefulWorkflow<Props, State, Output, AlertContainerScreen<Any>>() {
 
   data class Props(
     val boardPath: BoardPath,
@@ -46,6 +51,10 @@ class GameSessionWorkflow(
     data class GameOver(val board: Board) : State()
   }
 
+  sealed class Output {
+    object NewBoard : Output()
+  }
+
   override fun initialState(
     props: Props,
     snapshot: Snapshot?
@@ -75,10 +84,20 @@ class GameSessionWorkflow(
       val gameScreen = context.renderChild(gameWorkflow, gameInput) { noAction() }
 
       val gameOverDialog = AlertScreen(
-        buttons = mapOf(POSITIVE to "Restart"),
+        buttons = mapOf(POSITIVE to "Restart", NEUTRAL to "New board"),
         message = "You've been eaten, try again.",
         cancelable = false,
-        onEvent = { context.actionSink.send(restartGame()) }
+        onEvent = {
+          if (it is ButtonClicked) {
+            context.actionSink.send(
+              when (it.button) {
+                POSITIVE -> restartGame()
+                NEUTRAL -> newBoard()
+                NEGATIVE -> noAction()
+              }
+            )
+          }
+        }
       )
 
       AlertContainerScreen(gameScreen, gameOverDialog)
@@ -112,6 +131,8 @@ class GameSessionWorkflow(
 
   private fun restartGame() = action("restartGame") { state = Loading }
 
+  private fun newBoard() = action("newBoard") { setOutput(NewBoard) }
+
   private fun vibrate(durationMs: Long) {
     @Suppress("DEPRECATION")
     vibrator.vibrate(durationMs)