show source langauge when using an ALL langauge source if the extension supports multiple langauge

ie "Special Source Name" will show "Special Source Name (ALL)" when using that using the ALL source, even if English & All id the only languages on, but the Eng source will only show "Special Source Name"

app/src/main/java/eu/kanade/tachiyomi/extension/ExtensionManager.kt

@@ -84,7 +84,7 @@ class ExtensionManager(
         return getAppIconForSource(source.id)
     }
 
-    fun getAppIconForSource(sourceId: Long): Drawable? {
+    private fun getAppIconForSource(sourceId: Long): Drawable? {
         val pkgName =
             installedExtensions.find { ext -> ext.sources.any { it.id == sourceId } }?.pkgName
         return if (pkgName != null) {

app/src/main/java/eu/kanade/tachiyomi/source/Source.kt

@@ -5,6 +5,7 @@ import eu.kanade.tachiyomi.extension.ExtensionManager
 import eu.kanade.tachiyomi.source.model.Page
 import eu.kanade.tachiyomi.source.model.SChapter
 import eu.kanade.tachiyomi.source.model.SManga
+import eu.kanade.tachiyomi.source.online.HttpSource
 import eu.kanade.tachiyomi.util.system.awaitSingle
 import rx.Observable
 import uy.kohesive.injekt.Injekt
@@ -86,6 +87,18 @@ interface Source {
     suspend fun getPageList(chapter: SChapter): List<Page> {
         return fetchPageList(chapter).awaitSingle()
     }
+
+    fun includeLangInName(isMultiLingual: Boolean, extensionManager: ExtensionManager? = null): Boolean {
+        val httpSource = this as? HttpSource ?: return true
+        val extManager = extensionManager ?: Injekt.get()
+        val allExt = httpSource.getExtension(extManager)?.lang == "all"
+        val onlyAll = httpSource.extOnlyHasAllLanguage(extManager)
+        return (isMultiLingual && allExt) || (lang == "all" && !onlyAll)
+    }
+
+    fun nameBasedOnEnabledLanguages(isMultiLingual: Boolean, extensionManager: ExtensionManager? = null): String {
+        return if (includeLangInName(isMultiLingual, extensionManager)) toString() else name
+    }
 }
 
 fun Source.icon(): Drawable? = Injekt.get<ExtensionManager>().getAppIconForSource(this)

app/src/main/java/eu/kanade/tachiyomi/source/online/HttpSource.kt

@@ -95,9 +95,11 @@ abstract class HttpSource : CatalogueSource {
             }
     }
 
-    fun getExtension(): Extension.Installed? {
+    fun getExtension(extensionManager: ExtensionManager? = null): Extension.Installed? =
-        return Injekt.get<ExtensionManager>().installedExtensions.find { it.sources.contains(this) }
+        (extensionManager ?: Injekt.get()).installedExtensions.find { it.sources.contains(this) }
-    }
+
+    fun extOnlyHasAllLanguage(extensionManager: ExtensionManager? = null) =
+        getExtension(extensionManager)?.sources?.all { it.lang == "all" } ?: true
 
     /**
      * Returns the request for the popular manga given the page.

app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaHeaderHolder.kt

@@ -438,13 +438,7 @@ class MangaHeaderHolder(
                 .filterNot { it == "all" }
 
             text = buildSpannedString {
-                append(
+                append(presenter.source.nameBasedOnEnabledLanguages(enabledLanguages.size > 1))
-                    if (enabledLanguages.size > 1 && presenter.extension?.lang == "all") {
-                        presenter.source.toString()
-                    } else {
-                        presenter.source.name
-                    },
-                )
                 if (presenter.source is SourceManager.StubSource &&
                     presenter.source.name != presenter.source.id.toString()
                 ) {

app/src/main/java/eu/kanade/tachiyomi/ui/migration/manga/design/MigrationSourceAdapter.kt

@@ -3,6 +3,7 @@ package eu.kanade.tachiyomi.ui.migration.manga.design
 import android.os.Bundle
 import eu.davidea.flexibleadapter.FlexibleAdapter
 import eu.kanade.tachiyomi.data.preference.PreferencesHelper
+import eu.kanade.tachiyomi.extension.ExtensionManager
 import eu.kanade.tachiyomi.source.SourceManager
 import uy.kohesive.injekt.Injekt
 import uy.kohesive.injekt.api.get
@@ -17,7 +18,8 @@ class MigrationSourceAdapter(
     true,
 ) {
 
-    val isMultiLanguage =
+    val extensionManager: ExtensionManager = Injekt.get()
+    val isMultiLingual =
         Injekt.get<PreferencesHelper>().enabledLanguages().get().filterNot { it == "all" }.size > 1
 
     override fun onSaveInstanceState(outState: Bundle) {

app/src/main/java/eu/kanade/tachiyomi/ui/migration/manga/design/MigrationSourceHolder.kt

@@ -6,7 +6,6 @@ import eu.kanade.tachiyomi.databinding.MigrationSourceItemBinding
 import eu.kanade.tachiyomi.source.icon
 import eu.kanade.tachiyomi.source.online.HttpSource
 import eu.kanade.tachiyomi.ui.base.holder.BaseFlexibleViewHolder
-import java.util.Locale
 
 class MigrationSourceHolder(view: View, val adapter: MigrationSourceAdapter) :
     BaseFlexibleViewHolder(view, adapter) {
@@ -17,13 +16,7 @@ class MigrationSourceHolder(view: View, val adapter: MigrationSourceAdapter) :
     }
 
     fun bind(source: HttpSource, sourceEnabled: Boolean) {
-        // Set capitalized title.
+        binding.title.text = source.nameBasedOnEnabledLanguages(adapter.isMultiLingual, adapter.extensionManager)
-        val sourceName = if (adapter.isMultiLanguage) {
-            source.toString()
-        } else {
-            source.name.replaceFirstChar { it.titlecase(Locale.getDefault()) }
-        }
-        binding.title.text = sourceName
         // Update circle letter image.
         itemView.post {
             val icon = source.icon()

app/src/main/java/eu/kanade/tachiyomi/ui/more/stats/details/StatsDetailsPresenter.kt

@@ -13,6 +13,7 @@ import eu.kanade.tachiyomi.data.database.models.MangaChapterHistory
 import eu.kanade.tachiyomi.data.database.models.Track
 import eu.kanade.tachiyomi.data.preference.PreferencesHelper
 import eu.kanade.tachiyomi.data.track.TrackManager
+import eu.kanade.tachiyomi.extension.ExtensionManager
 import eu.kanade.tachiyomi.source.LocalSource
 import eu.kanade.tachiyomi.source.Source
 import eu.kanade.tachiyomi.source.SourceManager
@@ -28,6 +29,7 @@ import eu.kanade.tachiyomi.util.system.roundToTwoDecimal
 import eu.kanade.tachiyomi.util.system.withUIContext
 import uy.kohesive.injekt.Injekt
 import uy.kohesive.injekt.api.get
+import uy.kohesive.injekt.injectLazy
 import java.util.Calendar
 import java.util.Locale
 import java.util.concurrent.TimeUnit
@@ -35,7 +37,7 @@ import kotlin.math.roundToInt
 
 class StatsDetailsPresenter(
     private val db: DatabaseHelper = Injekt.get(),
-    prefs: PreferencesHelper = Injekt.get(),
+    private val prefs: PreferencesHelper = Injekt.get(),
     val trackManager: TrackManager = Injekt.get(),
     private val sourceManager: SourceManager = Injekt.get(),
 ) : BaseCoroutinePresenter<StatsDetailsController>() {
@@ -48,6 +50,7 @@ class StatsDetailsPresenter(
         }
     private var mangasDistinct = libraryMangas.distinct()
     val sources = getEnabledSources()
+    val extensionManager by injectLazy<ExtensionManager>()
 
     var selectedStat: Stats? = null
     var selectedSeriesType = mutableSetOf<String>()
@@ -272,10 +275,10 @@ class StatsDetailsPresenter(
     private fun setupSources() {
         currentStats = ArrayList()
         val libraryFormat = mangasDistinct.filterByChip().groupBy { it.source }
+        val isMultiLingual = prefs.enabledLanguages().get().filterNot { it == "all" }.size > 1
 
         libraryFormat.forEach { (sourceId, mangaList) ->
-            val source = sources.find { it.id == sourceId }
+            val source = sourceManager.getOrStub(sourceId)
-            val sourceName = source?.toString() ?: sourceId.toString()
             currentStats?.add(
                 StatsData(
                     color = pieColorList[1],
@@ -283,8 +286,8 @@ class StatsDetailsPresenter(
                     meanScore = mangaList.getMeanScoreRounded(),
                     chaptersRead = mangaList.sumOf { it.read },
                     totalChapters = mangaList.sumOf { it.totalChapters },
-                    label = sourceName.uppercase(),
+                    label = source.nameBasedOnEnabledLanguages(isMultiLingual, extensionManager).uppercase(),
-                    icon = source?.icon(),
+                    icon = source.icon(),
                     readDuration = mangaList.getReadDuration(),
                     casedLabel = source?.name,
                     id = sourceId,

app/src/main/java/eu/kanade/tachiyomi/ui/source/SourceAdapter.kt

@@ -20,9 +20,11 @@ class SourceAdapter(val controller: BrowseController) :
 
     val sourceListener: SourceListener = controller
 
-    val isMultiLanguage =
+    val isMultiLingual =
         Injekt.get<PreferencesHelper>().enabledLanguages().get().filterNot { it == "all" }.size > 1
 
+    val extensionManager = controller.presenter.extensionManager
+
     override fun onItemSwiped(position: Int, direction: Int) {
         super.onItemSwiped(position, direction)
         controller.hideCatalogue(position)

app/src/main/java/eu/kanade/tachiyomi/ui/source/SourceHolder.kt

@@ -32,9 +32,8 @@ class SourceHolder(view: View, val adapter: SourceAdapter) :
         val underPinnedSection = item.header?.code?.equals(SourcePresenter.PINNED_KEY) ?: false
         val underLastUsedSection = item.header?.code?.equals(SourcePresenter.LAST_USED_KEY) ?: false
         val isPinned = item.isPinned ?: underPinnedSection
-        // Set source name
+        val showLanguage = source.includeLangInName(adapter.isMultiLingual, adapter.extensionManager)
-        val sourceName =
+        val sourceName = if (showLanguage && (underPinnedSection || underLastUsedSection)) source.toString() else source.name
-            if (adapter.isMultiLanguage && (underPinnedSection || underLastUsedSection)) source.toString() else source.name
         binding.title.text = sourceName
 
         binding.sourcePin.apply {

app/src/main/java/eu/kanade/tachiyomi/ui/source/SourcePresenter.kt

@@ -1,6 +1,7 @@
 package eu.kanade.tachiyomi.ui.source
 
 import eu.kanade.tachiyomi.data.preference.PreferencesHelper
+import eu.kanade.tachiyomi.extension.ExtensionManager
 import eu.kanade.tachiyomi.source.CatalogueSource
 import eu.kanade.tachiyomi.source.LocalSource
 import eu.kanade.tachiyomi.source.SourceManager
@@ -26,6 +27,7 @@ import java.util.TreeMap
 class SourcePresenter(
     val controller: BrowseController,
     val sourceManager: SourceManager = Injekt.get(),
+    val extensionManager: ExtensionManager = Injekt.get(),
     private val preferences: PreferencesHelper = Injekt.get(),
 ) {