android: Listen for directory selection in viewmodel

Fixes broken game directory selection setup flow

src/android/app/src/main/java/org/yuzu/yuzu_emu/fragments/AddGameFolderDialogFragment.kt

@@ -14,8 +14,10 @@ import org.yuzu.yuzu_emu.R
 import org.yuzu.yuzu_emu.databinding.DialogAddFolderBinding
 import org.yuzu.yuzu_emu.model.GameDir
 import org.yuzu.yuzu_emu.model.GamesViewModel
+import org.yuzu.yuzu_emu.model.HomeViewModel
 
 class AddGameFolderDialogFragment : DialogFragment() {
+    private val homeViewModel: HomeViewModel by activityViewModels()
     private val gamesViewModel: GamesViewModel by activityViewModels()
 
     override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
@@ -30,6 +32,7 @@ class AddGameFolderDialogFragment : DialogFragment() {
             .setTitle(R.string.add_game_folder)
             .setPositiveButton(android.R.string.ok) { _: DialogInterface, _: Int ->
                 val newGameDir = GameDir(folderUriString!!, binding.deepScanSwitch.isChecked)
+                homeViewModel.setGamesDirSelected(true)
                 gamesViewModel.addFolder(newGameDir)
             }
             .setNegativeButton(android.R.string.cancel, null)

src/android/app/src/main/java/org/yuzu/yuzu_emu/fragments/SetupFragment.kt

@@ -4,6 +4,7 @@
 package org.yuzu.yuzu_emu.fragments
 
 import android.Manifest
+import android.annotation.SuppressLint
 import android.content.Intent
 import android.os.Build
 import android.os.Bundle
@@ -75,6 +76,8 @@ class SetupFragment : Fragment() {
         return binding.root
     }
 
+    // This is using the correct scope, lint is just acting up
+    @SuppressLint("UnsafeRepeatOnLifecycleDetector")
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         mainActivity = requireActivity() as MainActivity
 
@@ -206,7 +209,8 @@ class SetupFragment : Fragment() {
             )
         }
 
-        viewLifecycleOwner.lifecycleScope.launch {
+        viewLifecycleOwner.lifecycleScope.apply {
+            launch {
                 repeatOnLifecycle(Lifecycle.State.CREATED) {
                     homeViewModel.shouldPageForward.collect {
                         if (it) {
@@ -216,6 +220,17 @@ class SetupFragment : Fragment() {
                     }
                 }
             }
+            launch {
+                repeatOnLifecycle(Lifecycle.State.CREATED) {
+                    homeViewModel.gamesDirSelected.collect {
+                        if (it) {
+                            gamesDirCallback.onStepCompleted()
+                            homeViewModel.setGamesDirSelected(false)
+                        }
+                    }
+                }
+            }
+        }
 
         binding.viewPager2.apply {
             adapter = SetupAdapter(requireActivity() as AppCompatActivity, pages)
@@ -339,7 +354,6 @@ class SetupFragment : Fragment() {
         registerForActivityResult(ActivityResultContracts.OpenDocumentTree()) { result ->
             if (result != null) {
                 mainActivity.processGamesDir(result)
-                gamesDirCallback.onStepCompleted()
             }
         }
 

src/android/app/src/main/java/org/yuzu/yuzu_emu/model/GamesViewModel.kt

@@ -133,7 +133,7 @@ class GamesViewModel : ViewModel() {
         viewModelScope.launch {
             withContext(Dispatchers.IO) {
                 NativeConfig.addGameDir(gameDir)
-                getGameDirs()
+                getGameDirs(true)
             }
         }
 

src/android/app/src/main/java/org/yuzu/yuzu_emu/model/HomeViewModel.kt

@@ -6,6 +6,7 @@ package org.yuzu.yuzu_emu.model
 import androidx.lifecycle.ViewModel
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.asStateFlow
 
 class HomeViewModel : ViewModel() {
     val navigationVisible: StateFlow<Pair<Boolean, Boolean>> get() = _navigationVisible
@@ -17,6 +18,9 @@ class HomeViewModel : ViewModel() {
     val shouldPageForward: StateFlow<Boolean> get() = _shouldPageForward
     private val _shouldPageForward = MutableStateFlow(false)
 
+    private val _gamesDirSelected = MutableStateFlow(false)
+    val gamesDirSelected get() = _gamesDirSelected.asStateFlow()
+
     var navigatedToSetup = false
 
     fun setNavigationVisibility(visible: Boolean, animated: Boolean) {
@@ -36,4 +40,8 @@ class HomeViewModel : ViewModel() {
     fun setShouldPageForward(pageForward: Boolean) {
         _shouldPageForward.value = pageForward
     }
+
+    fun setGamesDirSelected(selected: Boolean) {
+        _gamesDirSelected.value = selected
+    }
 }