Added Last Used header to browse, hides if it is a pinned source

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

@@ -366,6 +366,7 @@ class SourceController : NucleusController<SourcePresenter>(),
         adapter?.removeAllScrollableHeaders()
         if (item != null) {
             adapter?.addScrollableHeader(item)
+            adapter?.addScrollableHeader(LangItem(SourcePresenter.LAST_USED_KEY))
         }
     }
 

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

@@ -26,7 +26,7 @@ class SourceItem(val source: CatalogueSource, header: LangItem? = null, val isPi
     }
 
     override fun isSwipeable(): Boolean {
-        return source.id != LocalSource.ID
+        return source.id != LocalSource.ID && header != null
     }
 
     /**

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

@@ -88,13 +88,15 @@ class SourcePresenter(
         // Emit the first item immediately but delay subsequent emissions by 500ms.
         lastUsedSubscription = Observable.merge(
             sharedObs.take(1),
-                sharedObs.skip(1).delay(500, TimeUnit.MILLISECONDS, AndroidSchedulers.mainThread()))
+            sharedObs.skip(1).delay(500, TimeUnit.MILLISECONDS, AndroidSchedulers.mainThread())
-                .distinctUntilChanged()
+        ).distinctUntilChanged().map {
-                .map { (sourceManager.get(it) as? CatalogueSource)?.let { source ->
+                (sourceManager.get(it) as? CatalogueSource)?.let { source ->
                     val pinnedCatalogues = preferences.pinnedCatalogues().getOrDefault()
                     val isPinned = source.id.toString() in pinnedCatalogues
-                    SourceItem(source, null, isPinned) } }
+                    if (isPinned) null
-                .subscribeLatestCache(SourceController::setLastUsedSource)
+                    else SourceItem(source, null, isPinned)
+                }
+            }.subscribeLatestCache(SourceController::setLastUsedSource)
     }
 
     fun updateSources() {
@@ -121,5 +123,6 @@ class SourcePresenter(
 
     companion object {
         const val PINNED_KEY = "pinned"
+        const val LAST_USED_KEY = "last_used"
     }
 }

app/src/main/java/eu/kanade/tachiyomi/util/system/LocaleHelper.kt

@@ -8,8 +8,8 @@ import android.view.ContextThemeWrapper
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.data.preference.PreferencesHelper
 import eu.kanade.tachiyomi.ui.source.SourcePresenter
-import java.util.Locale
 import uy.kohesive.injekt.injectLazy
+import java.util.Locale
 
 /**
  * Utility class to change the application's language in runtime.
@@ -58,6 +58,7 @@ object LocaleHelper {
             null -> ""
             "" -> context.getString(R.string.other)
             SourcePresenter.PINNED_KEY -> context.getString(R.string.pinned)
+            SourcePresenter.LAST_USED_KEY -> context.getString(R.string.last_used)
             "all" -> context.getString(R.string.all)
             else -> {
                 val locale = getLocale(lang)

app/src/main/res/values/strings.xml

@@ -215,6 +215,7 @@
     <string name="all_sources">All sources</string>
     <string name="sources">Sources</string>
     <string name="source_hidden">Source hidden</string>
+    <string name="last_used">Last Used</string>
 
     <!-- Other Screens -->