Add option to hide library category tabs

app/src/main/java/eu/kanade/tachiyomi/data/preference/PreferenceKeys.kt

@@ -147,6 +147,8 @@ object PreferenceKeys {
 
     const val unreadBadge = "display_unread_badge"
 
+    const val categoryTabs = "display_category_tabs"
+
     const val alwaysShowChapterTransition = "always_show_chapter_transition"
 
     const val searchPinnedSourcesOnly = "search_pinned_sources_only"

app/src/main/java/eu/kanade/tachiyomi/data/preference/PreferencesHelper.kt

@@ -193,6 +193,8 @@ class PreferencesHelper(val context: Context) {
 
     fun unreadBadge() = flowPrefs.getBoolean(Keys.unreadBadge, true)
 
+    fun categoryTabs() = flowPrefs.getBoolean(Keys.categoryTabs, true)
+
     fun filterDownloaded() = flowPrefs.getBoolean(Keys.filterDownloaded, false)
 
     fun filterUnread() = flowPrefs.getBoolean(Keys.filterUnread, false)

app/src/main/java/eu/kanade/tachiyomi/ui/library/LibraryController.kt

@@ -135,8 +135,26 @@ class LibraryController(
         retainViewMode = RetainViewMode.RETAIN_DETACH
     }
 
+    private var title: String? = null
+        set(value) {
+            if (field != value) {
+                field = value
+                setTitle()
+            }
+        }
+
     override fun getTitle(): String? {
-        return resources?.getString(R.string.label_library)
+        return title ?: resources?.getString(R.string.label_library)
+    }
+
+    private fun updateTitle() {
+        if (preferences.categoryTabs().get()) {
+            title = resources?.getString(R.string.label_library)
+        } else {
+            adapter?.categories?.get(binding.libraryPager.currentItem)?.let {
+                title = it.name
+            }
+        }
     }
 
     override fun createPresenter(): LibraryPresenter {
@@ -157,6 +175,7 @@ class LibraryController(
             .onEach {
                 preferences.lastUsedCategory().set(it)
                 activeCategory = it
+                updateTitle()
             }
             .launchIn(scope)
 
@@ -175,7 +194,8 @@ class LibraryController(
                 is LibrarySettingsSheet.Filter.FilterGroup -> onFilterChanged()
                 is LibrarySettingsSheet.Sort.SortGroup -> onSortChanged()
                 is LibrarySettingsSheet.Display.DisplayGroup -> reattachAdapter()
-                is LibrarySettingsSheet.Display.BadgeGroup -> onBadgeChanged()
+                is LibrarySettingsSheet.Display.BadgeGroup -> onBadgeSettingChanged()
+                is LibrarySettingsSheet.Display.TabsGroup -> onTabsSettingsChanged()
             }
         }
 
@@ -254,7 +274,8 @@ class LibraryController(
         // Restore active category.
         binding.libraryPager.setCurrentItem(activeCat, false)
 
-        tabsVisibilityRelay.call(categories.size > 1)
+        // Trigger display of tabs
+        onTabsSettingsChanged()
 
         // Delay the scroll position to allow the view to be properly measured.
         view.post {
@@ -280,18 +301,20 @@ class LibraryController(
         }
     }
 
-    /**
-     * Called when a filter is changed.
-     */
     private fun onFilterChanged() {
         presenter.requestFilterUpdate()
         activity?.invalidateOptionsMenu()
     }
 
-    private fun onBadgeChanged() {
+    private fun onBadgeSettingChanged() {
         presenter.requestBadgesUpdate()
     }
 
+    private fun onTabsSettingsChanged() {
+        tabsVisibilityRelay.call(preferences.categoryTabs().get() && adapter?.categories?.size ?: 0 > 1)
+        updateTitle()
+    }
+
     /**
      * Called when the sorting mode is changed.
      */

app/src/main/java/eu/kanade/tachiyomi/ui/library/LibrarySettingsSheet.kt

@@ -12,7 +12,7 @@ import eu.kanade.tachiyomi.widget.TabbedBottomSheetDialog
 import uy.kohesive.injekt.injectLazy
 
 class LibrarySettingsSheet(
-    private val activity: Activity,
+    activity: Activity,
     onGroupClickListener: (ExtendedNavigationView.Group) -> Unit
 ) : TabbedBottomSheetDialog(activity) {
 
@@ -178,7 +178,7 @@ class LibrarySettingsSheet(
         Settings(context, attrs) {
 
         init {
-            setGroups(listOf(DisplayGroup(), BadgeGroup()))
+            setGroups(listOf(DisplayGroup(), BadgeGroup(), TabsGroup()))
         }
 
         inner class DisplayGroup : Group {
@@ -187,7 +187,7 @@ class LibrarySettingsSheet(
             private val comfortableGrid = Item.Radio(R.string.action_display_comfortable_grid, this)
             private val list = Item.Radio(R.string.action_display_list, this)
 
-            override val header = null
+            override val header = Item.Header(R.string.action_display_mode)
             override val items = listOf(compactGrid, comfortableGrid, list)
             override val footer = null
 
@@ -222,7 +222,7 @@ class LibrarySettingsSheet(
             private val downloadBadge = Item.CheckboxGroup(R.string.action_display_download_badge, this)
             private val unreadBadge = Item.CheckboxGroup(R.string.action_display_unread_badge, this)
 
-            override val header = null
+            override val header = Item.Header(R.string.badges_header)
             override val items = listOf(downloadBadge, unreadBadge)
             override val footer = null
 
@@ -241,6 +241,27 @@ class LibrarySettingsSheet(
                 adapter.notifyItemChanged(item)
             }
         }
+
+        inner class TabsGroup : Group {
+            private val showTabs = Item.CheckboxGroup(R.string.action_display_show_tabs, this)
+
+            override val header = Item.Header(R.string.tabs_header)
+            override val items = listOf(showTabs)
+            override val footer = null
+
+            override fun initModels() {
+                showTabs.checked = preferences.categoryTabs().get()
+            }
+
+            override fun onItemClicked(item: Item) {
+                item as Item.CheckboxGroup
+                item.checked = !item.checked
+                when (item) {
+                    showTabs -> preferences.categoryTabs().set((item.checked))
+                }
+                adapter.notifyItemChanged(item)
+            }
+        }
     }
 
     open inner class Settings(context: Context, attrs: AttributeSet?) :

app/src/main/java/eu/kanade/tachiyomi/widget/TabbedBottomSheetDialog.kt

@@ -12,6 +12,7 @@ abstract class TabbedBottomSheetDialog(private val activity: Activity) : BottomS
         val binding: CommonTabbedSheetBinding = CommonTabbedSheetBinding.inflate(activity.layoutInflater)
 
         val adapter = LibrarySettingsSheetAdapter()
+        binding.pager.offscreenPageLimit = 2
         binding.pager.adapter = adapter
         binding.tabs.setupWithViewPager(binding.pager)