Rework search

* Call search once for all formats

app/build.gradle

@@ -97,7 +97,6 @@ dependencies {
     implementation 'androidx.swiperefreshlayout:swiperefreshlayout:1.1.0'
     implementation "androidx.lifecycle:lifecycle-viewmodel-ktx:$lifecycle_version"
     implementation "androidx.lifecycle:lifecycle-livedata-ktx:$lifecycle_version"
-    implementation "androidx.lifecycle:lifecycle-common-java8:$lifecycle_version"
     implementation 'androidx.fragment:fragment-ktx:1.2.5'
     implementation "com.google.dagger:hilt-android:$hilt_version"
     kapt "com.google.dagger:hilt-android-compiler:$hilt_version"

app/src/main/java/emu/skyline/EmulationActivity.kt

@@ -39,7 +39,7 @@ class EmulationActivity : AppCompatActivity(), SurfaceHolder.Callback, View.OnTo
     private val binding by lazy { EmuActivityBinding.inflate(layoutInflater) }
 
     /**
-     * A map of [Vibrator]s that correspond to [inputManager.controllers]
+     * A map of [Vibrator]s that correspond to [InputManager.controllers]
      */
     private var vibrators = HashMap<Int, Vibrator>()
 
@@ -54,7 +54,8 @@ class EmulationActivity : AppCompatActivity(), SurfaceHolder.Callback, View.OnTo
      */
     private lateinit var emulationThread : Thread
 
-    private val settings by lazy { Settings(this) }
+    @Inject
+    lateinit var settings : Settings
 
     @Inject
     lateinit var inputManager : InputManager

app/src/main/java/emu/skyline/LogActivity.kt

@@ -17,6 +17,7 @@ import androidx.appcompat.widget.SearchView
 import androidx.recyclerview.widget.DividerItemDecoration
 import androidx.recyclerview.widget.RecyclerView
 import com.google.android.material.snackbar.Snackbar
+import dagger.hilt.android.AndroidEntryPoint
 import emu.skyline.adapter.GenericAdapter
 import emu.skyline.adapter.HeaderViewItem
 import emu.skyline.adapter.LogViewItem
@@ -27,8 +28,10 @@ import java.io.File
 import java.io.FileNotFoundException
 import java.io.IOException
 import java.net.URL
+import javax.inject.Inject
 import javax.net.ssl.HttpsURLConnection
 
+@AndroidEntryPoint
 class LogActivity : AppCompatActivity() {
     private val binding by lazy { LogActivityBinding.inflate(layoutInflater) }
 
@@ -39,6 +42,9 @@ class LogActivity : AppCompatActivity() {
 
     private val adapter = GenericAdapter()
 
+    @Inject
+    lateinit var settings : Settings
+
     override fun onCreate(savedInstanceState : Bundle?) {
         super.onCreate(savedInstanceState)
 
@@ -47,8 +53,6 @@ class LogActivity : AppCompatActivity() {
         setSupportActionBar(binding.titlebar.toolbar)
         supportActionBar?.setDisplayHomeAsUpEnabled(true)
 
-        val settings = Settings(this)
-
         val compact = settings.logCompact
         val logLevel = settings.logLevel.toInt()
         val logLevels = resources.getStringArray(R.array.log_level)

app/src/main/java/emu/skyline/MainActivity.kt

@@ -24,6 +24,7 @@ import androidx.recyclerview.widget.DividerItemDecoration
 import androidx.recyclerview.widget.GridLayoutManager
 import androidx.recyclerview.widget.RecyclerView
 import com.google.android.material.snackbar.Snackbar
+import dagger.hilt.android.AndroidEntryPoint
 import emu.skyline.adapter.AppViewItem
 import emu.skyline.adapter.GenericAdapter
 import emu.skyline.adapter.HeaderViewItem
@@ -33,13 +34,17 @@ import emu.skyline.data.DataItem
 import emu.skyline.data.HeaderItem
 import emu.skyline.databinding.MainActivityBinding
 import emu.skyline.loader.LoaderResult
+import emu.skyline.loader.RomFormat
 import emu.skyline.utils.Settings
+import javax.inject.Inject
 import kotlin.math.ceil
 
+@AndroidEntryPoint
 class MainActivity : AppCompatActivity() {
     private val binding by lazy { MainActivityBinding.inflate(layoutInflater) }
 
-    private val settings by lazy { Settings(this) }
+    @Inject
+    lateinit var settings : Settings
 
     private val adapter = GenericAdapter()
 
@@ -52,16 +57,15 @@ class MainActivity : AppCompatActivity() {
     private fun AppItem.toViewItem() = AppViewItem(layoutType, this, missingIcon, ::selectStartGame, ::selectShowGameDialog)
 
     override fun onCreate(savedInstanceState : Bundle?) {
-        AppCompatDelegate.setDefaultNightMode(
+        // Need to create new instance of settings, dependency injection happens
-            when ((settings.appTheme.toInt())) {
+        AppCompatDelegate.setDefaultNightMode(when ((Settings(this).appTheme.toInt())) {
             0 -> AppCompatDelegate.MODE_NIGHT_NO
             1 -> AppCompatDelegate.MODE_NIGHT_YES
             2 -> AppCompatDelegate.MODE_NIGHT_FOLLOW_SYSTEM
             else -> AppCompatDelegate.MODE_NIGHT_UNSPECIFIED
-            }
+        })
-        )
-
         super.onCreate(savedInstanceState)
+
         setContentView(binding.root)
 
         PreferenceManager.setDefaultValues(this, R.xml.preferences, false)
@@ -195,7 +199,16 @@ class MainActivity : AppCompatActivity() {
         }
         is MainState.Loaded -> {
             binding.swipeRefreshLayout.isRefreshing = false
-            populateAdapter(state.items)
+
+            val formatOrder = arrayOf(RomFormat.NSP, RomFormat.NRO, RomFormat.NSO, RomFormat.NCA)
+            val items = mutableListOf<DataItem>()
+            for (format in formatOrder) {
+                state.items[format]?.let {
+                    items.add(HeaderItem(format.name))
+                    it.forEach { entry -> items.add(AppItem(entry)) }
+                }
+            }
+            populateAdapter(items)
         }
         is MainState.Error -> Snackbar.make(findViewById(android.R.id.content), getString(R.string.error) + ": ${state.ex.localizedMessage}", Snackbar.LENGTH_SHORT).show()
     }

app/src/main/java/emu/skyline/MainViewModel.kt

@@ -3,30 +3,29 @@ package emu.skyline
 import android.content.Context
 import android.net.Uri
 import android.util.Log
-import androidx.documentfile.provider.DocumentFile
 import androidx.lifecycle.LiveData
 import androidx.lifecycle.MutableLiveData
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
-import emu.skyline.data.AppItem
+import dagger.hilt.android.lifecycle.HiltViewModel
-import emu.skyline.data.DataItem
+import emu.skyline.loader.AppEntry
-import emu.skyline.data.HeaderItem
-import emu.skyline.loader.RomFile
 import emu.skyline.loader.RomFormat
-import emu.skyline.utils.loadSerializedList
+import emu.skyline.utils.fromFile
-import emu.skyline.utils.serialize
+import emu.skyline.utils.toFile
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import java.io.File
 import java.io.IOException
+import javax.inject.Inject
 
 sealed class MainState {
     object Loading : MainState()
-    class Loaded(val items : List<DataItem>) : MainState()
+    class Loaded(val items : HashMap<RomFormat, ArrayList<AppEntry>>) : MainState()
     class Error(val ex : Exception) : MainState()
 }
 
-class MainViewModel : ViewModel() {
+@HiltViewModel
+class MainViewModel @Inject constructor(private val romProvider : RomProvider) : ViewModel() {
     companion object {
         private val TAG = MainViewModel::class.java.simpleName
     }
@@ -39,30 +38,6 @@ class MainViewModel : ViewModel() {
 
     var searchBarAnimated = false
 
-    /**
-     * This adds all files in [directory] with [extension] as an entry using [RomFile] to load metadata
-     */
-    private fun addEntries(context : Context, extension : String, romFormat : RomFormat, directory : DocumentFile, romElements : ArrayList<DataItem>, found : Boolean = false) : Boolean {
-        var foundCurrent = found
-
-        directory.listFiles().forEach { file ->
-            if (file.isDirectory) {
-                foundCurrent = addEntries(context, extension, romFormat, file, romElements, foundCurrent)
-            } else {
-                if (extension.equals(file.name?.substringAfterLast("."), ignoreCase = true)) {
-                    RomFile(context, romFormat, file.uri).let { romFile ->
-                        if (!foundCurrent) romElements.add(HeaderItem(romFormat.name))
-                        romElements.add(AppItem(romFile.appEntry))
-
-                        foundCurrent = true
-                    }
-                }
-            }
-        }
-
-        return foundCurrent
-    }
-
     /**
      * This refreshes the contents of the adapter by either trying to load cached adapter data or searches for them to recreate a list
      *
@@ -77,33 +52,21 @@ class MainViewModel : ViewModel() {
         viewModelScope.launch(Dispatchers.IO) {
             if (loadFromFile) {
                 try {
-                    state = MainState.Loaded(loadSerializedList(romsFile))
+                    state = MainState.Loaded(fromFile(romsFile))
                     return@launch
                 } catch (e : Exception) {
                     Log.w(TAG, "Ran into exception while loading: ${e.message}")
                 }
             }
 
+            val romElements = romProvider.loadRoms(searchLocation)
             try {
-                val searchDocument = DocumentFile.fromTreeUri(context, searchLocation)!!
+                romElements.toFile(romsFile)
-
-                val romElements = ArrayList<DataItem>()
-                addEntries(context, "nsp", RomFormat.NSP, searchDocument, romElements)
-                addEntries(context, "xci", RomFormat.XCI, searchDocument, romElements)
-                addEntries(context, "nro", RomFormat.NRO, searchDocument, romElements)
-                addEntries(context, "nso", RomFormat.NSO, searchDocument, romElements)
-                addEntries(context, "nca", RomFormat.NCA, searchDocument, romElements)
-
-                try {
-                    romElements.serialize(romsFile)
             } catch (e : IOException) {
                 Log.w(TAG, "Ran into exception while saving: ${e.message}")
             }
 
             state = MainState.Loaded(romElements)
-            } catch (e : Exception) {
-                state = MainState.Error(e)
-            }
         }
     }
 }

app/src/main/java/emu/skyline/RomProvider.kt

@@ -0,0 +1,36 @@
+package emu.skyline
+
+import android.content.Context
+import android.net.Uri
+import androidx.documentfile.provider.DocumentFile
+import dagger.hilt.android.qualifiers.ApplicationContext
+import emu.skyline.loader.AppEntry
+import emu.skyline.loader.RomFile
+import emu.skyline.loader.RomFormat
+import emu.skyline.loader.RomFormat.*
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class RomProvider @Inject constructor(@ApplicationContext private val context : Context) {
+    /**
+     * This adds all files in [directory] with [extension] as an entry using [RomFile] to load metadata
+     */
+    private fun addEntries(fileFormats : Map<String, RomFormat>, directory : DocumentFile, entries : HashMap<RomFormat, ArrayList<AppEntry>>) {
+        directory.listFiles().forEach { file ->
+            if (file.isDirectory) {
+                addEntries(fileFormats, file, entries)
+            } else {
+                fileFormats[file.name?.substringAfterLast(".")]?.let { romFormat ->
+                    entries.getOrPut(romFormat, { arrayListOf() }).add(RomFile(context, romFormat, file.uri).appEntry)
+                }
+            }
+        }
+    }
+
+    fun loadRoms(searchLocation : Uri) = DocumentFile.fromTreeUri(context, searchLocation)!!.let { documentFile ->
+        val entries = hashMapOf<RomFormat, ArrayList<AppEntry>>()
+        addEntries(mapOf("nro" to NRO, "nso" to NSO, "nca" to NCA, "nsp" to NSP, "xci" to XCI), documentFile, entries)
+        entries
+    }
+}

app/src/main/java/emu/skyline/input/ControllerActivity.kt

@@ -53,7 +53,8 @@ class ControllerActivity : AppCompatActivity() {
      */
     val axisMap = mutableMapOf<AxisId, ControllerStickViewItem>()
 
-    private val settings by lazy { Settings(this) }
+    @Inject
+    lateinit var settings : Settings
 
     @Inject
     lateinit var inputManager : InputManager

app/src/main/java/emu/skyline/input/onscreen/OnScreenEditActivity.kt

@@ -15,16 +15,22 @@ import androidx.appcompat.app.AppCompatActivity
 import androidx.core.content.ContextCompat
 import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import com.google.android.material.floatingactionbutton.FloatingActionButton
+import dagger.hilt.android.AndroidEntryPoint
 import emu.skyline.R
 import emu.skyline.databinding.OnScreenEditActivityBinding
 import emu.skyline.utils.Settings
+import javax.inject.Inject
 
+@AndroidEntryPoint
 class OnScreenEditActivity : AppCompatActivity() {
     private val binding by lazy { OnScreenEditActivityBinding.inflate(layoutInflater) }
 
     private var fullEditVisible = true
     private var editMode = false
 
+    @Inject
+    lateinit var settings : Settings
+
     private val closeAction : () -> Unit = {
         if (editMode) {
             toggleFabVisibility(true)
@@ -85,7 +91,7 @@ class OnScreenEditActivity : AppCompatActivity() {
     override fun onCreate(savedInstanceState : Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(binding.root)
-        binding.onScreenControllerView.recenterSticks = Settings(this).onScreenControlRecenterSticks
+        binding.onScreenControllerView.recenterSticks = settings.onScreenControlRecenterSticks
 
         actions.forEach { pair ->
             binding.fabParent.addView(LayoutInflater.from(this).inflate(R.layout.on_screen_edit_mini_fab, binding.fabParent, false).apply {

app/src/main/java/emu/skyline/preference/DocumentActivity.kt

@@ -10,11 +10,14 @@ import android.content.Intent
 import android.os.Bundle
 import androidx.appcompat.app.AppCompatActivity
 import androidx.preference.PreferenceManager
+import dagger.hilt.android.AndroidEntryPoint
 import emu.skyline.utils.Settings
+import javax.inject.Inject
 
 /**
  * This activity is used to launch a document picker and saves the result to preferences
  */
+@AndroidEntryPoint
 abstract class DocumentActivity : AppCompatActivity() {
     companion object {
         const val KEY_NAME = "key_name"
@@ -24,6 +27,9 @@ abstract class DocumentActivity : AppCompatActivity() {
 
     protected abstract val actionIntent : Intent
 
+    @Inject
+    lateinit var settings : Settings
+
     /**
      * This launches the [Intent.ACTION_OPEN_DOCUMENT_TREE] intent on creation
      */
@@ -46,7 +52,7 @@ abstract class DocumentActivity : AppCompatActivity() {
 
             contentResolver.takePersistableUriPermission(uri, Intent.FLAG_GRANT_READ_URI_PERMISSION)
 
-            Settings(this).refreshRequired = true
+            settings.refreshRequired = true
             PreferenceManager.getDefaultSharedPreferences(this).edit()
                     .putString(keyName, uri.toString())
                     .apply()

app/src/main/java/emu/skyline/utils/SerializationHelper.kt

@@ -10,13 +10,9 @@ import java.io.ObjectInputStream
 import java.io.ObjectOutputStream
 import java.io.Serializable
 
-fun <T : Serializable> ArrayList<T>.serialize(file : File) {
+fun <T : Serializable> T.toFile(file : File) {
-    ObjectOutputStream(file.outputStream()).use {
+    ObjectOutputStream(file.outputStream()).use { it.writeObject(this) }
-        it.writeObject(this)
-    }
 }
 
 @Suppress("UNCHECKED_CAST")
-fun <T : Serializable> loadSerializedList(file : File) = ObjectInputStream(file.inputStream()).use {
+fun <T : Serializable> fromFile(file : File) = ObjectInputStream(file.inputStream()).use { it.readObject() } as T
-    it.readObject()
-} as ArrayList<T>

app/src/main/java/emu/skyline/utils/Settings.kt

@@ -6,8 +6,12 @@
 package emu.skyline.utils
 
 import android.content.Context
+import dagger.hilt.android.qualifiers.ApplicationContext
+import javax.inject.Inject
+import javax.inject.Singleton
 
-class Settings(context : Context) {
+@Singleton
+class Settings @Inject constructor(@ApplicationContext private val context : Context) {
     var layoutType by sharedPreferences(context, "1")
 
     var searchLocation by sharedPreferences(context, "")