Fixed Update notifcation + Moved single list library to extended class

Fixing progress bar for category header and stop spinning after update

app/src/main/java/eu/kanade/tachiyomi/data/library/LibraryUpdateService.kt

@@ -37,13 +37,14 @@ import eu.kanade.tachiyomi.source.online.HttpSource
 import eu.kanade.tachiyomi.ui.main.MainActivity
 import eu.kanade.tachiyomi.util.chapter.syncChaptersWithSource
 import eu.kanade.tachiyomi.util.lang.chop
-import eu.kanade.tachiyomi.util.system.isServiceRunning
 import eu.kanade.tachiyomi.util.system.notification
 import eu.kanade.tachiyomi.util.system.notificationManager
 import kotlinx.coroutines.CoroutineExceptionHandler
+import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.GlobalScope
 import kotlinx.coroutines.Job
 import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
 import rx.Observable
 import rx.Subscription
 import rx.schedulers.Schedulers
@@ -98,6 +99,13 @@ class LibraryUpdateService(
 
     private var job:Job? = null
 
+    private val mangaToUpdate = mutableListOf<LibraryManga>()
+
+    private val categoryIds = mutableSetOf<Int>()
+
+    // List containing new updates
+    private val newUpdates = ArrayList<Pair<LibraryManga, Array<Chapter>>>()
+
     /**
      * Cached progress notification to avoid creating a lot.
      */
@@ -127,11 +135,8 @@ class LibraryUpdateService(
          */
         const val KEY_CATEGORY = "category"
 
-        private val mangaToUpdate = mutableListOf<LibraryManga>()
+        fun categoryInQueue(id: Int?) = instance?.categoryIds?.contains(id) ?: false
-
+        private var instance: LibraryUpdateService? = null
-        private val categoryIds = mutableSetOf<Int>()
-
-        fun categoryInQueue(id: Int?) = categoryIds.contains(id)
 
         /**
          * Key that defines what should be updated.
@@ -141,11 +146,10 @@ class LibraryUpdateService(
         /**
          * Returns the status of the service.
          *
-         * @param context the application context.
          * @return true if the service is running, false otherwise.
          */
-        fun isRunning(context: Context): Boolean {
+        fun isRunning(): Boolean {
-            return context.isServiceRunning(LibraryUpdateService::class.java)
+            return instance != null
         }
 
         /**
@@ -157,12 +161,11 @@ class LibraryUpdateService(
          * @param target defines what should be updated.
          */
         fun start(context: Context, category: Category? = null, target: Target = Target.CHAPTERS) {
-            if (!isRunning(context)) {
+            if (!isRunning()) {
                 val intent = Intent(context, LibraryUpdateService::class.java).apply {
                     putExtra(KEY_TARGET, target)
                     category?.id?.let { id ->
                         putExtra(KEY_CATEGORY, id)
-                        categoryIds.add(id)
                     }
                 }
                 if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O) {
@@ -173,22 +176,11 @@ class LibraryUpdateService(
             }
             else {
                 if (target == Target.CHAPTERS) category?.id?.let {
-                    categoryIds.add(it)
+                    instance?.addCategory(it)
-                    val preferences: PreferencesHelper = Injekt.get()
-                    val selectedScheme = preferences.libraryUpdatePrioritization().getOrDefault()
-                    addManga(getMangaToUpdate(it, target).sortedWith(
-                        rankingScheme[selectedScheme]
-                    ))
                 }
             }
         }
 
-        private fun addManga(mangaToAdd: List<LibraryManga>) {
-            for (manga in mangaToAdd) {
-                if (mangaToUpdate.none { it.id == manga.id }) mangaToUpdate.add(manga)
-            }
-        }
-
         /**
          * Stops the service.
          *
@@ -198,6 +190,32 @@ class LibraryUpdateService(
             context.stopService(Intent(context, LibraryUpdateService::class.java))
         }
 
+        private var listener:LibraryServiceListener? = null
+
+        fun setListener(listener: LibraryServiceListener) {
+            this.listener = listener
+        }
+
+        fun removeListener() {
+            listener = null
+        }
+    }
+
+    private fun addManga(mangaToAdd: List<LibraryManga>) {
+        for (manga in mangaToAdd) {
+            if (mangaToUpdate.none { it.id == manga.id }) mangaToUpdate.add(manga)
+        }
+    }
+
+    private fun addCategory(categoryId: Int) {
+        val selectedScheme = preferences.libraryUpdatePrioritization().getOrDefault()
+        val mangas =
+            getMangaToUpdate(categoryId, Target.CHAPTERS).sortedWith(
+                rankingScheme[selectedScheme])
+        categoryIds.add(categoryId)
+        addManga(mangas)
+    }
+
     /**
      * Returns the list of manga to be updated.
      *
@@ -206,10 +224,10 @@ class LibraryUpdateService(
      * @return a list of manga to update
      */
     private fun getMangaToUpdate(categoryId: Int, target: Target): List<LibraryManga> {
-            val preferences: PreferencesHelper = Injekt.get()
+        var listToUpdate = if (categoryId != -1) {
-            val db: DatabaseHelper = Injekt.get()
+            categoryIds.add(categoryId)
-            var listToUpdate = if (categoryId != -1)
             db.getLibraryMangas().executeAsBlocking().filter { it.category == categoryId }
+        }
         else {
             val categoriesToUpdate = preferences.libraryUpdateCategories().getOrDefault().map(String::toInt)
             categoryIds.addAll(categoriesToUpdate)
@@ -232,17 +250,6 @@ class LibraryUpdateService(
         return getMangaToUpdate(categoryId, target)
     }
 
-        private var listener:LibraryServiceListener? = null
-
-        fun setListener(listener: LibraryServiceListener) {
-            this.listener = listener
-        }
-
-        fun removeListener() {
-            listener = null
-        }
-    }
-
     /**
      * Method called when the service is created. It injects dagger dependencies and acquire
      * the wake lock.
@@ -255,22 +262,19 @@ class LibraryUpdateService(
         wakeLock.acquire(TimeUnit.MINUTES.toMillis(30))
     }
 
-    override fun stopService(name: Intent?): Boolean {
-        job?.cancel()
-        return super.stopService(name)
-    }
-
     /**
      * Method called when the service is destroyed. It destroys subscriptions and releases the wake
      * lock.
      */
     override fun onDestroy() {
+        job?.cancel()
+        if (instance == this)
+            instance = null
         subscription?.unsubscribe()
-        mangaToUpdate.clear()
-        categoryIds.clear()
         if (wakeLock.isHeld) {
             wakeLock.release()
         }
+        listener?.onUpdateManga(LibraryManga())
         super.onDestroy()
     }
 
@@ -291,23 +295,22 @@ class LibraryUpdateService(
      */
     override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
         if (intent == null) return START_NOT_STICKY
-        val target = intent.getSerializableExtra(KEY_TARGET) as? Target ?: return START_NOT_STICKY
+        val target = intent.getSerializableExtra(KEY_TARGET) as? Target
+                ?: return START_NOT_STICKY
 
         // Unsubscribe from any previous subscription if needed.
-        job?.cancel()
         subscription?.unsubscribe()
+        instance = this
 
         val selectedScheme = preferences.libraryUpdatePrioritization().getOrDefault()
+        val mangaList =
+            getMangaToUpdate(intent, target).sortedWith(rankingScheme[selectedScheme])
+        // Update favorite manga. Destroy service when completed or in case of an error.
         if (target == Target.CHAPTERS) {
-            updateChapters(
+            updateChapters(mangaList, startId)
-                getMangaToUpdate(intent, target).sortedWith(rankingScheme[selectedScheme]), startId
-            )
         }
         else {
             // Update either chapter list or manga details.
-            // Update favorite manga. Destroy service when completed or in case of an error.
-            val mangaList =
-                getMangaToUpdate(intent, target).sortedWith(rankingScheme[selectedScheme])
             subscription = Observable.defer {
                 when (target) {
                     Target.DETAILS -> updateDetails(mangaList)
@@ -324,25 +327,26 @@ class LibraryUpdateService(
     }
 
     private fun updateChapters(mangaToAdd: List<LibraryManga>, startId: Int) {
-        addManga(mangaToAdd)
-
         val handler = CoroutineExceptionHandler { _, exception ->
             Timber.e(exception)
+
+            // Boolean to determine if user wants to automatically download new chapters.
+            val downloadNew = preferences.downloadNew().getOrDefault()
+            if (newUpdates.isNotEmpty()) {
+                showResultNotification(newUpdates)
+                if (downloadNew && downloadManager.queue.isNotEmpty()) {
+                    DownloadService.start(this)
+                }
+            }
             stopSelf(startId)
         }
         job = GlobalScope.launch(handler) {
-            updateChaptersJob()
+            updateChaptersJob(mangaToAdd)
-            mangaToUpdate.clear()
-            categoryIds.clear()
-            stopSelf(startId)
         }
+        job?.invokeOnCompletion { stopSelf(startId) }
     }
 
-    private fun updateChaptersJob() {
+    private suspend fun updateChaptersJob(mangaToAdd: List<LibraryManga>) {
-        // Initialize the variables holding the progress of the updates.
-        var count = 0
-        // List containing new updates
-        val newUpdates = ArrayList<Pair<LibraryManga, Array<Chapter>>>()
         // list containing failed updates
         val failedUpdates = ArrayList<Manga>()
         // List containing categories that get included in downloads.
@@ -351,28 +355,37 @@ class LibraryUpdateService(
         val downloadNew = preferences.downloadNew().getOrDefault()
         // Boolean to determine if DownloadManager has downloads
         var hasDownloads = false
+        withContext(Dispatchers.IO) {
+            // Initialize the variables holding the progress of the updates.
+            var count = 0
 
+            mangaToUpdate.addAll(mangaToAdd)
             while (count < mangaToUpdate.size) {
-            if (job?.isCancelled == true || job == null) break
+                if (job?.isCancelled == true) break
                 val manga = mangaToUpdate[count]
                 showProgressNotification(manga, count++, mangaToUpdate.size)
                 val source = sourceManager.get(manga.source) as? HttpSource ?: continue
-            val fetchedChapters = try { source.fetchChapterList(manga).toBlocking().single() }
+                val fetchedChapters = try {
-            catch(e: java.lang.Exception) {
+                    source.fetchChapterList(manga).toBlocking().single()
+                } catch (e: java.lang.Exception) {
                     failedUpdates.add(manga)
                     emptyList<SChapter>()
-            }
+                } ?: emptyList()
                 if (fetchedChapters.isNotEmpty()) {
                     val newChapters = syncChaptersWithSource(db, fetchedChapters, manga, source)
                     if (newChapters.first.isNotEmpty()) {
                         if (downloadNew && (categoriesToDownload.isEmpty() || manga.category in categoriesToDownload)) {
-                        downloadChapters(manga, newChapters.first.sortedBy { it.chapter_number })
+                            downloadChapters(
+                                manga,
+                                newChapters.first.sortedBy { it.chapter_number })
                             hasDownloads = true
                         }
                         newUpdates.add(manga to newChapters.first.sortedBy { it.chapter_number }.toTypedArray())
                     }
-                if (newChapters.first.size + newChapters.second.size > 0)
+                    if (newChapters.first.size + newChapters.second.size > 0) listener?.onUpdateManga(
-                    listener?.onUpdateManga(manga)
+                        manga
+                    )
+                }
             }
         }
         if (newUpdates.isNotEmpty()) {

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

@@ -120,7 +120,7 @@ class LibraryCategoryView @JvmOverloads constructor(context: Context, attrs: Att
                 resources.getString(
                     when {
                         inQueue -> R.string.category_already_in_queue
-                        LibraryUpdateService.isRunning(context) -> R.string.adding_category_to_queue
+                        LibraryUpdateService.isRunning() -> R.string.adding_category_to_queue
                         else -> R.string.updating_category_x
                     }, category.name))
             if (!inQueue)

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

@@ -12,15 +12,10 @@ import android.view.MenuItem
 import android.view.View
 import android.view.ViewGroup
 import android.view.inputmethod.InputMethodManager
-import android.widget.Spinner
 import androidx.appcompat.app.AppCompatActivity
 import androidx.appcompat.view.ActionMode
 import androidx.appcompat.widget.SearchView
 import androidx.core.graphics.drawable.DrawableCompat
-import androidx.core.math.MathUtils.clamp
-import androidx.recyclerview.widget.GridLayoutManager
-import androidx.recyclerview.widget.LinearLayoutManager
-import androidx.recyclerview.widget.RecyclerView
 import androidx.viewpager.widget.ViewPager
 import com.afollestad.materialdialogs.MaterialDialog
 import com.bluelinelabs.conductor.ControllerChangeHandler
@@ -32,8 +27,6 @@ import com.google.android.material.snackbar.Snackbar
 import com.google.android.material.tabs.TabLayout
 import com.jakewharton.rxrelay.BehaviorRelay
 import com.jakewharton.rxrelay.PublishRelay
-import eu.davidea.flexibleadapter.FlexibleAdapter
-import eu.davidea.flexibleadapter.SelectableAdapter
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.data.database.models.Category
 import eu.kanade.tachiyomi.data.database.models.LibraryManga
@@ -58,46 +51,31 @@ import eu.kanade.tachiyomi.ui.migration.manga.design.PreMigrationController
 import eu.kanade.tachiyomi.ui.migration.manga.process.MigrationListController
 import eu.kanade.tachiyomi.ui.migration.manga.process.MigrationProcedureConfig
 import eu.kanade.tachiyomi.ui.reader.ReaderActivity
-import eu.kanade.tachiyomi.util.system.dpToPx
 import eu.kanade.tachiyomi.util.system.getResourceColor
 import eu.kanade.tachiyomi.util.system.launchUI
-import eu.kanade.tachiyomi.util.view.gone
-import eu.kanade.tachiyomi.util.view.inflate
 import eu.kanade.tachiyomi.util.view.setOnQueryTextChangeListener
 import eu.kanade.tachiyomi.util.view.snack
-import eu.kanade.tachiyomi.util.view.updatePaddingRelative
-import eu.kanade.tachiyomi.util.view.visible
-import eu.kanade.tachiyomi.widget.AutofitRecyclerView
-import eu.kanade.tachiyomi.widget.IgnoreFirstSpinnerListener
 import kotlinx.android.synthetic.main.filter_bottom_sheet.*
 import kotlinx.android.synthetic.main.library_controller.*
 import kotlinx.android.synthetic.main.main_activity.*
-import kotlinx.coroutines.delay
 import rx.Subscription
 import uy.kohesive.injekt.Injekt
 import uy.kohesive.injekt.api.get
-import java.util.Locale
-import kotlin.math.min
 
-class LibraryController(
+open class LibraryController(
         bundle: Bundle? = null,
-        private val preferences: PreferencesHelper = Injekt.get()
+        protected val preferences: PreferencesHelper = Injekt.get()
 ) : BaseController(bundle), TabbedController,
         ActionMode.Callback,
         ChangeMangaCategoriesDialog.Listener,
         MigrationInterface,
         DownloadServiceListener,
-        LibraryServiceListener,
+        LibraryServiceListener {
-    FlexibleAdapter.OnItemClickListener,
-    FlexibleAdapter.OnItemLongClickListener,
-    FlexibleAdapter.OnItemMoveListener,
-        LibraryCategoryAdapter.LibraryListener{
 
     /**
      * Position of the active category.
      */
-    var activeCategory: Int = preferences.lastUsedCategory().getOrDefault()
+    protected var activeCategory: Int = preferences.lastUsedCategory().getOrDefault()
-        private set
 
     /**
      * Action mode for selections.
@@ -107,7 +85,7 @@ class LibraryController(
     /**
      * Library search query.
      */
-    private var query = ""
+    protected var query = ""
 
     /**
      * Currently selected mangas.
@@ -154,16 +132,11 @@ class LibraryController(
      * Adapter of the view pager.
      */
     private var pagerAdapter: LibraryAdapter? = null
-    private lateinit var adapter: LibraryCategoryAdapter
-
-    private lateinit var spinner: Spinner
-
-    private var lastClickPosition = -1
 
     /**
      * Drawer listener to allow swipe only for closing the drawer.
      */
-    private var tabsVisibilityRelay: BehaviorRelay<Boolean> = BehaviorRelay.create(false)
+    protected var tabsVisibilityRelay: BehaviorRelay<Boolean> = BehaviorRelay.create(false)
 
     private var tabsVisibilitySubscription: Subscription? = null
 
@@ -171,56 +144,24 @@ class LibraryController(
 
     var snack: Snackbar? = null
 
-    var presenter = LibraryPresenter(this)
+    lateinit var presenter:LibraryPresenter
         private set
 
-    private var justStarted = true
+    protected var justStarted = true
 
-    private var updateScroll = true
+    var libraryLayout:Int = preferences.libraryLayout().getOrDefault()
-
-    private var spinnerAdapter: SpinnerAdapter? = null
-
-    private var scrollListener = object : RecyclerView.OnScrollListener () {
-        override fun onScrolled(recyclerView: RecyclerView, dx: Int, dy: Int) {
-            super.onScrolled(recyclerView, dx, dy)
-            val position =
-                (recycler.layoutManager as LinearLayoutManager).findFirstVisibleItemPosition()
-            val order = when (val item = adapter.getItem(position)) {
-                is LibraryHeaderItem -> item.category.order
-                is LibraryItem -> presenter.categories.find { it.id == item.manga.category }?.order
-                else -> null
-            }
-            if (order != null && order != activeCategory) {
-                preferences.lastUsedCategory().set(order)
-                activeCategory = order
-                val category = presenter.categories.find { it.order == order }
-
-                bottom_sheet.lastCategory = category
-                bottom_sheet.updateTitle()
-                if (spinner.selectedItemPosition != order + 1) {
-                    updateScroll = true
-                    spinner.setSelection(order + 1, true)
-                }
-            }
-        }
-    }
-
-    /**
-     * Recycler view of the list of manga.
-     */
-    private lateinit var recycler: RecyclerView
-
-    var libraryLayout = preferences.libraryLayout().getOrDefault()
 
     private var usePager: Boolean = !preferences.libraryAsSingleList().getOrDefault()
 
+    open fun contentView():View = pager_layout
+
     init {
         setHasOptionsMenu(true)
         retainViewMode = RetainViewMode.RETAIN_DETACH
     }
 
     override fun getTitle(): String? {
-        return if (usePager) resources?.getString(R.string.label_library) else null
+        return resources?.getString(R.string.label_library)
     }
 
     override fun inflateView(inflater: LayoutInflater, container: ViewGroup): View {
@@ -230,10 +171,52 @@ class LibraryController(
     override fun onViewCreated(view: View) {
         super.onViewCreated(view)
         mangaPerRow = getColumnsPreferenceForCurrentOrientation().getOrDefault()
+        if (!::presenter.isInitialized)
+            presenter = LibraryPresenter(this)
 
-        if (usePager) {
+        layoutView(view)
-            pager_layout.visible()
+
-            fast_scroller.gone()
+        if (selectedMangas.isNotEmpty()) {
+            createActionModeIfNeeded()
+        }
+
+        //bottom_sheet.onCreate(pager_layout)
+        bottom_sheet.onCreate(contentView())
+
+        bottom_sheet.onGroupClicked = {
+            when (it) {
+                SortFilterBottomSheet.ACTION_REFRESH -> onRefresh()
+                SortFilterBottomSheet.ACTION_FILTER -> onFilterChanged()
+                SortFilterBottomSheet.ACTION_SORT -> onSortChanged()
+                SortFilterBottomSheet.ACTION_DISPLAY -> reattachAdapter()
+                SortFilterBottomSheet.ACTION_DOWNLOAD_BADGE -> presenter.requestDownloadBadgesUpdate()
+                SortFilterBottomSheet.ACTION_UNREAD_BADGE -> presenter.requestUnreadBadgesUpdate()
+                SortFilterBottomSheet.ACTION_CAT_SORT -> onCatSortChanged()
+            }
+        }
+
+        fab.setOnClickListener {
+            router.pushController(DownloadController().withFadeTransaction())
+        }
+
+        if (presenter.isDownloading()) {
+            fab.scaleY = 1f
+            fab.scaleX = 1f
+            fab.isClickable = true
+            fab.isFocusable = true
+        }
+
+        presenter.onRestore()
+        val library = presenter.getAllManga()
+        if (library != null)  presenter.updateViewBlocking() //onNextLibraryUpdate(presenter.categories, library)
+        else {
+            contentView().alpha = 0f
+            presenter.getLibraryBlocking()
+        }
+    }
+
+
+    open fun layoutView(view: View) {
         pagerAdapter = LibraryAdapter(this)
         library_pager.adapter = pagerAdapter
         library_pager.addOnPageChangeListener(object : ViewPager.OnPageChangeListener {
@@ -252,103 +235,17 @@ class LibraryController(
             override fun onPageScrollStateChanged(state: Int) {}
         })
     }
-        else {
-            adapter = LibraryCategoryAdapter(this)
-            recycler = (recycler_layout.inflate(R.layout.library_grid_recycler) as
-                AutofitRecyclerView).apply {
-                spanCount = if (libraryLayout == 0) 1 else mangaPerRow
-                manager.spanSizeLookup = (object : GridLayoutManager.SpanSizeLookup() {
-                    override fun getSpanSize(position: Int): Int {
-                        if (libraryLayout == 0) return 1
-                        val item = this@LibraryController.adapter.getItem(position)
-                        return if (item is LibraryHeaderItem) manager.spanCount else 1
-                    }
-                })
-            }
-
-            recycler.setHasFixedSize(true)
-            recycler.adapter = adapter
-            recycler_layout.addView(recycler)
-            adapter.fastScroller = fast_scroller
-            recycler.addOnScrollListener(scrollListener)
-
-            spinner = ReSpinner(view.context)
-            (activity as MainActivity).supportActionBar?.customView = spinner
-            (activity as MainActivity).supportActionBar?.setDisplayShowCustomEnabled(true)
-            spinnerAdapter = SpinnerAdapter(view.context, R.layout.library_spinner_textview,
-                arrayOf(resources!!.getString(R.string.label_library)))
-            spinnerAdapter?.setDropDownViewResource(R.layout.library_spinner_entry_text)
-            spinner.adapter = spinnerAdapter
-        }
-
-
-        if (selectedMangas.isNotEmpty()) {
-            createActionModeIfNeeded()
-        }
-
-        //bottom_sheet.onCreate(pager_layout)
-        bottom_sheet.onCreate(if (usePager) pager_layout else recycler_layout)
-
-        bottom_sheet.onGroupClicked = {
-            when (it) {
-                SortFilterBottomSheet.ACTION_REFRESH -> onRefresh()
-                SortFilterBottomSheet.ACTION_FILTER -> onFilterChanged()
-                SortFilterBottomSheet.ACTION_SORT -> onSortChanged()
-                SortFilterBottomSheet.ACTION_DISPLAY -> reattachAdapter()
-                SortFilterBottomSheet.ACTION_DOWNLOAD_BADGE -> presenter.requestDownloadBadgesUpdate()
-                SortFilterBottomSheet.ACTION_UNREAD_BADGE -> presenter.requestUnreadBadgesUpdate()
-                SortFilterBottomSheet.ACTION_CAT_SORT -> onCatSortChanged()
-            }
-        }
-
-        fab.setOnClickListener {
-            router.pushController(DownloadController().withFadeTransaction())
-        }
-
-        val config = resources?.configuration
-        val phoneLandscape = (config?.orientation == Configuration.ORIENTATION_LANDSCAPE &&
-            (config.screenLayout.and(Configuration.SCREENLAYOUT_SIZE_MASK)) <
-            Configuration.SCREENLAYOUT_SIZE_LARGE)
-
-        // pad the recycler if the filter bottom sheet is visible
-        if (!usePager && !phoneLandscape) {
-            val height = view.context.resources.getDimensionPixelSize(R.dimen.rounder_radius) + 4.dpToPx
-            recycler.updatePaddingRelative(bottom = height)
-        }
-
-        if (presenter.isDownloading()) {
-            fab.scaleY = 1f
-            fab.scaleX = 1f
-            fab.isClickable = true
-            fab.isFocusable = true
-        }
-        presenter.onRestore()
-        val library = presenter.getAllManga()
-        if (library != null)  presenter.updateViewBlocking() //onNextLibraryUpdate(presenter.categories, library)
-        else {
-            library_pager.alpha = 0f
-            recycler_layout.alpha = 0f
-            presenter.getLibraryBlocking()
-        }
-    }
 
     override fun onChangeStarted(handler: ControllerChangeHandler, type: ControllerChangeType) {
         super.onChangeStarted(handler, type)
         if (type.isEnter) {
-            if (!usePager)
+            if (library_pager != null)
-                (activity as MainActivity).supportActionBar?.setDisplayShowCustomEnabled(true)
-            else
                 activity?.tabs?.setupWithViewPager(library_pager)
             presenter.getLibrary()
             DownloadService.addListener(this)
             DownloadService.callListeners()
             LibraryUpdateService.setListener(this)
         }
-        else if (type == ControllerChangeType.PUSH_EXIT) {
-            (activity as MainActivity).toolbar.menu.findItem(R.id
-                .action_search)?.collapseActionView()
-            (activity as MainActivity).supportActionBar?.setDisplayShowCustomEnabled(false)
-        }
     }
 
     override fun onActivityResumed(activity: Activity) {
@@ -365,7 +262,6 @@ class LibraryController(
     }
 
     override fun onDestroy() {
-        (activity as MainActivity).supportActionBar?.setDisplayShowCustomEnabled(false)
         presenter.onDestroy()
         super.onDestroy()
     }
@@ -393,7 +289,7 @@ class LibraryController(
     }
 
     override fun onUpdateManga(manga: LibraryManga) {
-        presenter.updateManga(manga)
+        if (manga.id != null) presenter.updateManga(manga)
     }
 
     override fun onDetach(view: View) {
@@ -424,56 +320,7 @@ class LibraryController(
         tabsVisibilitySubscription = null
     }
 
-    fun onNextLibraryUpdate(mangaMap: List<LibraryItem>, freshStart: Boolean = false) {
+    open fun onNextLibraryUpdate(mangaMap: List<LibraryItem>, freshStart: Boolean = false) { }
-        if (mangaMap.isNotEmpty()) {
-            empty_view.hide()
-        } else {
-            empty_view.show(R.drawable.ic_book_black_128dp, R.string.information_empty_library)
-        }
-        adapter.setItems(mangaMap)
-
-
-        spinner.onItemSelectedListener = null
-        spinnerAdapter = SpinnerAdapter(view!!.context, R.layout.library_spinner_textview,
-            presenter.categories.map { it.name }.toTypedArray())
-        spinnerAdapter?.setDropDownViewResource(R.layout.library_spinner_entry_text)
-        spinner.adapter = spinnerAdapter
-
-
-        spinner.setSelection(min(presenter.categories.size - 1, activeCategory + 1))
-        if (!freshStart) {
-            justStarted = false
-            if (recycler_layout.alpha == 0f)
-                recycler_layout.animate().alpha(1f).setDuration(500).start()
-
-
-        }else {
-            val position = if (freshStart) adapter.indexOf(activeCategory) else null
-            if (position != null)
-                (recycler.layoutManager as LinearLayoutManager)
-                    .scrollToPositionWithOffset(position, (-30).dpToPx)
-        }
-        adapter.isLongPressDragEnabled = canDrag()
-        tabsVisibilityRelay.call(false)
-
-        bottom_sheet.lastCategory = presenter.categories[clamp(activeCategory,
-            0,
-            presenter.categories.size - 1)]
-        bottom_sheet.updateTitle()
-        updateScroll = false
-        spinner.onItemSelectedListener = IgnoreFirstSpinnerListener { pos ->
-            if (updateScroll) {
-                updateScroll = false
-                return@IgnoreFirstSpinnerListener
-            }
-            val headerPosition = adapter.indexOf(pos - 1)
-            if (headerPosition > -1) {
-                (recycler.layoutManager as LinearLayoutManager).scrollToPositionWithOffset(
-                    headerPosition, (-30).dpToPx
-                )
-            }
-        }
-    }
 
     fun onNextLibraryUpdate(categories: List<Category>, mangaMap: Map<Int, List<LibraryItem>>,
         freshStart: Boolean = false) {
@@ -523,8 +370,8 @@ class LibraryController(
         }
         else if (!freshStart) {
             justStarted = false
-            if (library_pager.alpha == 0f)
+            if (pager_layout.alpha == 0f)
-                library_pager.animate().alpha(1f).setDuration(500).start()
+                pager_layout.animate().alpha(1f).setDuration(500).start()
         }
     }
 
@@ -563,10 +410,8 @@ class LibraryController(
         destroyActionModeIfNeeded()
     }
 
-    fun onCatSortChanged(id: Int? = null) {
+    open fun onCatSortChanged(id: Int? = null) {
-        val catId =
+        val catId = (id ?: pagerAdapter?.categories?.getOrNull(library_pager.currentItem)?.id)
-            (if (usePager)(id ?: pagerAdapter?.categories?.getOrNull(library_pager.currentItem)?.id)
-            else (id ?: presenter.categories.find { it.order == activeCategory }?.id))
                 ?: return
          presenter.requestCatSortUpdate(catId)
     }
@@ -574,8 +419,7 @@ class LibraryController(
     /**
      * Reattaches the adapter to the view pager to recreate fragments
      */
-    private fun reattachAdapter() {
+    protected open fun reattachAdapter() {
-        if (usePager) {
         val adapter = pagerAdapter ?: return
 
         val position = library_pager.currentItem
@@ -585,16 +429,6 @@ class LibraryController(
         library_pager.currentItem = position
         adapter.recycle = true
     }
-        else {
-            val position =
-                (recycler.layoutManager as LinearLayoutManager).findFirstVisibleItemPosition()
-            libraryLayout = preferences.libraryLayout().getOrDefault()
-            recycler.adapter = adapter
-            (recycler as? AutofitRecyclerView)?.spanCount = if (libraryLayout == 0) 1 else mangaPerRow
-
-            (recycler.layoutManager as LinearLayoutManager).scrollToPositionWithOffset(position, 0)
-        }
-    }
 
     /**
      * Creates the action mode if it's not created already.
@@ -643,8 +477,6 @@ class LibraryController(
         setOnQueryTextChangeListener(searchView) {
             query = it ?: ""
             searchRelay.call(query)
-            adapter.setFilter(it)
-            adapter.performFilter()
             true
         }
         searchItem.fixExpand(onExpand = { invalidateMenuOnExpand() })
@@ -778,11 +610,6 @@ class LibraryController(
     override fun onDestroyActionMode(mode: ActionMode?) {
         // Clear all the manga selections and notify child views.
         selectedMangas.clear()
-        adapter.mode = SelectableAdapter.Mode.SINGLE
-        adapter.clearSelection()
-        adapter.notifyDataSetChanged()
-        lastClickPosition = -1
-        adapter.isLongPressDragEnabled = canDrag()
         selectionRelay.call(LibrarySelectionEvent.Cleared())
         actionMode = null
     }
@@ -797,36 +624,14 @@ class LibraryController(
      * @param manga the manga whose selection has changed.
      * @param selected whether it's now selected or not.
      */
-    fun setSelection(manga: Manga, selected: Boolean) {
+    open fun setSelection(manga: Manga, selected: Boolean) {
         if (selected) {
             if (selectedMangas.add(manga)) {
-                if (usePager) selectionRelay.call(LibrarySelectionEvent.Selected(manga))
+                selectionRelay.call(LibrarySelectionEvent.Selected(manga))
-                else {
-                    val position = adapter.indexOf(manga)
-                    if (adapter.mode != SelectableAdapter.Mode.MULTI) {
-                        adapter.mode = SelectableAdapter.Mode.MULTI
-                    }
-                    launchUI {
-                        delay(100)
-                        adapter.isLongPressDragEnabled = false
-                    }
-                    adapter.toggleSelection(position)
-                    (recycler.findViewHolderForItemId(manga.id!!) as? LibraryHolder)?.toggleActivation()
-                }
             }
         } else {
             if (selectedMangas.remove(manga)) {
-                if (usePager) selectionRelay.call(LibrarySelectionEvent.Unselected(manga))
+                selectionRelay.call(LibrarySelectionEvent.Unselected(manga))
-                else {
-                    val position = adapter.indexOf(manga)
-                    lastClickPosition = -1
-                    if (selectedMangas.isEmpty()) {
-                        adapter.mode = SelectableAdapter.Mode.SINGLE
-                        adapter.isLongPressDragEnabled = canDrag()
-                    }
-                    adapter.toggleSelection(position)
-                    (recycler.findViewHolderForItemId(manga.id!!) as? LibraryHolder)?.toggleActivation()
-                }
             }
         }
     }
@@ -878,16 +683,6 @@ class LibraryController(
         destroyActionModeIfNeeded()
     }
 
-    /// Method for single list
-    override fun startReading(position: Int) {
-        if (adapter.mode == SelectableAdapter.Mode.MULTI) {
-            toggleSelection(position)
-            return
-        }
-        val manga = (adapter.getItem(position) as? LibraryItem)?.manga ?: return
-        startReading(manga)
-    }
-
     /// Method for the category view
     fun startReading(manga: Manga) {
         val activity = activity ?: return
@@ -896,147 +691,4 @@ class LibraryController(
         destroyActionModeIfNeeded()
         startActivity(intent)
     }
-
-    override fun canDrag(): Boolean {
-        val filterOff = preferences.filterCompleted().getOrDefault() +
-            preferences.filterTracked().getOrDefault() +
-            preferences.filterUnread().getOrDefault() +
-            preferences.filterMangaType().getOrDefault() +
-            preferences.filterCompleted().getOrDefault() == 0 &&
-            !preferences.hideCategories().getOrDefault()
-        return filterOff && adapter.mode != SelectableAdapter.Mode.MULTI
-    }
-
-    /**
-     * Called when a manga is clicked.
-     *
-     * @param position the position of the element clicked.
-     * @return true if the item should be selected, false otherwise.
-     */
-    override fun onItemClick(view: View?, position: Int): Boolean {
-        // If the action mode is created and the position is valid, toggle the selection.
-        val item = adapter.getItem(position) as? LibraryItem ?: return false
-        return if (adapter.mode == SelectableAdapter.Mode.MULTI) {
-            lastClickPosition = position
-            toggleSelection(position)
-            true
-        } else {
-            openManga(item.manga, null)
-            false
-        }
-    }
-
-    /**
-     * Called when a manga is long clicked.
-     *
-     * @param position the position of the element clicked.
-     */
-    override fun onItemLongClick(position: Int) {
-        createActionModeIfNeeded()
-        when {
-            lastClickPosition == -1 -> setSelection(position)
-            lastClickPosition > position -> for (i in position until lastClickPosition)
-                setSelection(i)
-            lastClickPosition < position -> for (i in lastClickPosition + 1..position)
-                setSelection(i)
-            else -> setSelection(position)
-        }
-        lastClickPosition = position
-    }
-
-    override fun onActionStateChanged(viewHolder: RecyclerView.ViewHolder?, actionState: Int) {
-        val position = viewHolder?.adapterPosition ?: return
-        if (actionState == 2) onItemLongClick(position)
-    }
-
-    /**
-     * Tells the presenter to toggle the selection for the given position.
-     *
-     * @param position the position to toggle.
-     */
-    private fun toggleSelection(position: Int) {
-        val item = adapter.getItem(position) as? LibraryItem ?: return
-
-        setSelection(item.manga, !adapter.isSelected(position))
-        invalidateActionMode()
-    }
-
-
-    /**
-     * Tells the presenter to set the selection for the given position.
-     *
-     * @param position the position to toggle.
-     */
-    private fun setSelection(position: Int) {
-        val item = adapter.getItem(position) as? LibraryItem ?: return
-
-        setSelection(item.manga, true)
-        invalidateActionMode()
-    }
-
-    override fun onItemMove(fromPosition: Int, toPosition: Int) { }
-
-    override fun onItemReleased(position: Int) {
-        if (adapter.selectedItemCount > 0) return
-        val item = adapter.getItem(position) as? LibraryItem ?: return
-        val newHeader = adapter.getSectionHeader(position) as? LibraryHeaderItem
-        val libraryItems = adapter.getSectionItems(adapter.getSectionHeader(position))
-            .filterIsInstance<LibraryItem>()
-        val mangaIds = libraryItems.mapNotNull { (it as? LibraryItem)?.manga?.id }
-        if (newHeader?.category?.id == item.manga.category) {
-            presenter.rearrangeCategory(item.manga.category, mangaIds)
-        } else {
-            if (newHeader?.category?.mangaSort == null) {
-                presenter.moveMangaToCategory(item, newHeader?.category?.id, mangaIds, true)
-            } else {
-                MaterialDialog(activity!!).message(R.string.switch_to_dnd)
-                    .positiveButton(R.string.action_switch) {
-                        presenter.moveMangaToCategory(item, newHeader.category.id, mangaIds, true)
-                    }.negativeButton(
-                        text = resources?.getString(
-                            R.string.keep_current_sort,
-                            resources!!.getString(newHeader.category.sortRes()).toLowerCase
-                                (Locale.getDefault())
-                        )
-                    ) {
-                        presenter.moveMangaToCategory(
-                            item, newHeader.category.id, mangaIds, false
-                        )
-                    }
-                    .cancelOnTouchOutside(false)
-                    .show()
-            }
-        }
-    }
-
-    override fun shouldMoveItem(fromPosition: Int, toPosition: Int): Boolean {
-        if (adapter.selectedItemCount > 1)
-            return false
-        if (adapter.isSelected(fromPosition))
-            toggleSelection(fromPosition)
-        return true
-    }
-
-    override fun updateCategory(catId: Int): Boolean {
-        val category = (adapter.getItem(catId) as? LibraryHeaderItem)?.category ?:
-        return false
-        val inQueue = LibraryUpdateService.categoryInQueue(category.id)
-        snack?.dismiss()
-        snack = snackbar_layout.snack(resources!!.getString(
-                when {
-                    inQueue -> R.string.category_already_in_queue
-                    LibraryUpdateService.isRunning(view!!.context) ->
-                        R.string.adding_category_to_queue
-                    else -> R.string.updating_category_x
-                }, category.name))
-        if (!inQueue)
-            LibraryUpdateService.start(view!!.context, category)
-        return true
-
-    }
-
-    override fun sortCategory(catId: Int, sortBy: Int): String {
-        presenter.sortCategory(catId, sortBy)
-        return ""
-    }
 }

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

@@ -17,9 +17,9 @@ import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.data.database.models.Category
 import eu.kanade.tachiyomi.data.library.LibraryUpdateService
 import eu.kanade.tachiyomi.util.system.getResourceColor
-import eu.kanade.tachiyomi.util.view.gone
 import eu.kanade.tachiyomi.util.view.invisible
 import eu.kanade.tachiyomi.util.view.visible
+import kotlinx.android.synthetic.main.library_category_header_item.view.*
 
 class LibraryHeaderItem(val category: Category) : AbstractHeaderItem<LibraryHeaderItem.Holder>() {
 
@@ -63,7 +63,7 @@ class LibraryHeaderItem(val category: Category) : AbstractHeaderItem<LibraryHead
         return -(category.id!!)
     }
 
-    class Holder(view: View, private val adapter: LibraryCategoryAdapter) :
+    class Holder(val view: View, private val adapter: LibraryCategoryAdapter) :
         FlexibleViewHolder(view, adapter, true) {
 
         private val sectionText: TextView = view.findViewById(R.id.category_title)
@@ -92,15 +92,15 @@ class LibraryHeaderItem(val category: Category) : AbstractHeaderItem<LibraryHead
 
             when {
                 item.category.id == -1 -> {
+                    catProgress.alpha = 1f
                     updateButton.invisible()
-                    catProgress.gone()
                 }
                 LibraryUpdateService.categoryInQueue(item.category.id) -> {
-                    catProgress.visible()
+                    catProgress.alpha = 1f
                     updateButton.invisible()
                 }
                 else -> {
-                    catProgress.gone()
+                    catProgress.alpha = 0f
                     updateButton.visible()
                 }
             }
@@ -108,16 +108,15 @@ class LibraryHeaderItem(val category: Category) : AbstractHeaderItem<LibraryHead
 
         private fun addCategoryToUpdate() {
             if (adapter.libraryListener.updateCategory(adapterPosition)) {
-                catProgress.visible()
+                catProgress.alpha = 1f
                 updateButton.invisible()
             }
         }
-
         private fun showCatSortOptions() {
             val category =
                 (adapter.getItem(adapterPosition) as? LibraryHeaderItem)?.category ?: return
             // Create a PopupMenu, giving it the clicked view for an anchor
-            val popup = PopupMenu(itemView.context, sortText)
+            val popup = PopupMenu(itemView.context, view.category_sort)
 
             // Inflate our menu resource into the PopupMenu's Menu
             popup.menuInflater.inflate(

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

@@ -0,0 +1,444 @@
+package eu.kanade.tachiyomi.ui.library
+
+import android.content.res.Configuration
+import android.os.Bundle
+import android.util.TypedValue
+import android.view.LayoutInflater
+import android.view.Menu
+import android.view.MenuInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.Spinner
+import androidx.appcompat.view.ActionMode
+import androidx.appcompat.widget.SearchView
+import androidx.core.content.ContextCompat
+import androidx.core.math.MathUtils
+import androidx.recyclerview.widget.GridLayoutManager
+import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.recyclerview.widget.RecyclerView
+import com.afollestad.materialdialogs.MaterialDialog
+import com.bluelinelabs.conductor.ControllerChangeHandler
+import com.bluelinelabs.conductor.ControllerChangeType
+import eu.davidea.flexibleadapter.FlexibleAdapter
+import eu.davidea.flexibleadapter.SelectableAdapter
+import eu.kanade.tachiyomi.R
+import eu.kanade.tachiyomi.data.database.models.LibraryManga
+import eu.kanade.tachiyomi.data.database.models.Manga
+import eu.kanade.tachiyomi.data.library.LibraryUpdateService
+import eu.kanade.tachiyomi.data.preference.getOrDefault
+import eu.kanade.tachiyomi.ui.main.MainActivity
+import eu.kanade.tachiyomi.util.system.dpToPx
+import eu.kanade.tachiyomi.util.system.launchUI
+import eu.kanade.tachiyomi.util.view.inflate
+import eu.kanade.tachiyomi.util.view.setOnQueryTextChangeListener
+import eu.kanade.tachiyomi.util.view.snack
+import eu.kanade.tachiyomi.util.view.updatePaddingRelative
+import eu.kanade.tachiyomi.widget.AutofitRecyclerView
+import eu.kanade.tachiyomi.widget.IgnoreFirstSpinnerListener
+import kotlinx.android.synthetic.main.filter_bottom_sheet.*
+import kotlinx.android.synthetic.main.library_list_controller.*
+import kotlinx.android.synthetic.main.main_activity.*
+import kotlinx.coroutines.delay
+import java.util.Locale
+import kotlin.math.min
+
+class LibraryListController(bundle: Bundle? = null) : LibraryController(bundle),
+    FlexibleAdapter.OnItemClickListener,
+    FlexibleAdapter.OnItemLongClickListener,
+    FlexibleAdapter.OnItemMoveListener,
+    LibraryCategoryAdapter.LibraryListener{
+
+    private lateinit var adapter: LibraryCategoryAdapter
+
+    private lateinit var spinner: Spinner
+
+    private var lastClickPosition = -1
+
+    private var updateScroll = true
+
+    private var spinnerAdapter: SpinnerAdapter? = null
+
+    /**
+     * Recycler view of the list of manga.
+     */
+    private lateinit var recycler: RecyclerView
+
+    override fun contentView():View = recycler_layout
+
+    override fun getTitle(): String? {
+        return null
+    }
+
+    private var scrollListener = object : RecyclerView.OnScrollListener () {
+        override fun onScrolled(recyclerView: RecyclerView, dx: Int, dy: Int) {
+            super.onScrolled(recyclerView, dx, dy)
+            val position =
+                (recycler.layoutManager as LinearLayoutManager).findFirstVisibleItemPosition()
+            val order = when (val item = adapter.getItem(position)) {
+                is LibraryHeaderItem -> item.category.order
+                is LibraryItem -> presenter.categories.find { it.id == item.manga.category }?.order
+                else -> null
+            }
+            if (order != null && order != activeCategory) {
+                preferences.lastUsedCategory().set(order)
+                activeCategory = order
+                val category = presenter.categories.find { it.order == order }
+
+                bottom_sheet.lastCategory = category
+                bottom_sheet.updateTitle()
+                if (spinner.selectedItemPosition != order + 1) {
+                    updateScroll = true
+                    spinner.setSelection(order + 1, true)
+                }
+            }
+        }
+    }
+
+    override fun onViewCreated(view: View) {
+        super.onViewCreated(view)
+        val config = resources?.configuration
+        val phoneLandscape = (config?.orientation == Configuration.ORIENTATION_LANDSCAPE &&
+            (config.screenLayout.and(Configuration.SCREENLAYOUT_SIZE_MASK)) <
+            Configuration.SCREENLAYOUT_SIZE_LARGE)
+
+        // pad the recycler if the filter bottom sheet is visible
+        if (!phoneLandscape) {
+            val height = view.context.resources.getDimensionPixelSize(R.dimen.rounder_radius) + 4.dpToPx
+            recycler.updatePaddingRelative(bottom = height)
+        }
+    }
+
+    override fun inflateView(inflater: LayoutInflater, container: ViewGroup): View {
+        return inflater.inflate(R.layout.library_list_controller, container, false)
+    }
+
+
+    override fun layoutView(view: View) {
+        adapter = LibraryCategoryAdapter(this)
+        recycler =
+            (recycler_layout.inflate(R.layout.library_grid_recycler) as AutofitRecyclerView).apply {
+                spanCount = if (libraryLayout == 0) 1 else mangaPerRow
+                manager.spanSizeLookup = (object : GridLayoutManager.SpanSizeLookup() {
+                    override fun getSpanSize(position: Int): Int {
+                        if (libraryLayout == 0) return 1
+                        val item = this@LibraryListController.adapter.getItem(position)
+                        return if (item is LibraryHeaderItem) manager.spanCount else 1
+                    }
+                })
+            }
+
+        recycler.setHasFixedSize(true)
+        recycler.adapter = adapter
+        recycler_layout.addView(recycler, 0)
+        adapter.fastScroller = fast_scroller
+        recycler.addOnScrollListener(scrollListener)
+
+        spinner = ReSpinner(view.context)
+
+        val tv = TypedValue()
+        activity!!.theme.resolveAttribute(R.attr.actionBarTintColor, tv, true)
+
+        spinner.backgroundTintList = ContextCompat.getColorStateList(
+            view.context, tv.resourceId
+        )
+        (activity as MainActivity).supportActionBar?.customView = spinner
+        (activity as MainActivity).supportActionBar?.setDisplayShowCustomEnabled(true)
+        spinnerAdapter = SpinnerAdapter(
+            view.context,
+            R.layout.library_spinner_textview,
+            arrayOf(resources!!.getString(R.string.label_library))
+        )
+        spinnerAdapter?.setDropDownViewResource(R.layout.library_spinner_entry_text)
+        spinner.adapter = spinnerAdapter
+    }
+
+    override fun onChangeStarted(handler: ControllerChangeHandler, type: ControllerChangeType) {
+        super.onChangeStarted(handler, type)
+        if (type.isEnter) {
+            (activity as MainActivity).supportActionBar?.setDisplayShowCustomEnabled(true)
+        }
+        else if (type == ControllerChangeType.PUSH_EXIT) {
+            (activity as MainActivity).toolbar.menu.findItem(R.id
+                .action_search)?.collapseActionView()
+            (activity as MainActivity).supportActionBar?.setDisplayShowCustomEnabled(false)
+        }
+    }
+
+    override fun onDestroy() {
+        (activity as MainActivity).supportActionBar?.setDisplayShowCustomEnabled(false)
+        super.onDestroy()
+    }
+
+    override fun onNextLibraryUpdate(mangaMap: List<LibraryItem>, freshStart: Boolean) {
+        if (mangaMap.isNotEmpty()) {
+            empty_view?.hide()
+        } else {
+            empty_view?.show(R.drawable.ic_book_black_128dp, R.string.information_empty_library)
+        }
+        adapter.setItems(mangaMap)
+
+
+        spinner.onItemSelectedListener = null
+        spinnerAdapter = SpinnerAdapter(view!!.context, R.layout.library_spinner_textview,
+            presenter.categories.map { it.name }.toTypedArray())
+        spinnerAdapter?.setDropDownViewResource(R.layout.library_spinner_entry_text)
+        spinner.adapter = spinnerAdapter
+
+
+        spinner.setSelection(min(presenter.categories.size - 1, activeCategory + 1))
+        if (!freshStart) {
+            justStarted = false
+            if (recycler_layout.alpha == 0f)
+                recycler_layout.animate().alpha(1f).setDuration(500).start()
+
+
+        }else {
+            val position = if (freshStart) adapter.indexOf(activeCategory) else null
+            if (position != null)
+                (recycler.layoutManager as LinearLayoutManager)
+                    .scrollToPositionWithOffset(position, (-30).dpToPx)
+        }
+        adapter.isLongPressDragEnabled = canDrag()
+        tabsVisibilityRelay.call(false)
+
+        bottom_sheet.lastCategory = presenter.categories[MathUtils.clamp(
+            activeCategory, 0, presenter.categories.size - 1
+        )]
+        bottom_sheet.updateTitle()
+        updateScroll = false
+        spinner.onItemSelectedListener = IgnoreFirstSpinnerListener { pos ->
+            if (updateScroll) {
+                updateScroll = false
+                return@IgnoreFirstSpinnerListener
+            }
+            val headerPosition = adapter.indexOf(pos - 1)
+            if (headerPosition > -1) {
+                (recycler.layoutManager as LinearLayoutManager).scrollToPositionWithOffset(
+                    headerPosition, (-30).dpToPx
+                )
+            }
+        }
+    }
+
+    override fun reattachAdapter() {
+        val position =
+            (recycler.layoutManager as LinearLayoutManager).findFirstVisibleItemPosition()
+        libraryLayout = preferences.libraryLayout().getOrDefault()
+        recycler.adapter = adapter
+        (recycler as? AutofitRecyclerView)?.spanCount = if (libraryLayout == 0) 1 else mangaPerRow
+
+        (recycler.layoutManager as LinearLayoutManager).scrollToPositionWithOffset(position, 0)
+    }
+
+    override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) {
+        super.onCreateOptionsMenu(menu, inflater)
+        val searchItem = menu.findItem(R.id.action_search)
+        val searchView = searchItem.actionView as SearchView
+        setOnQueryTextChangeListener(searchView) {
+            query = it ?: ""
+            adapter.setFilter(it)
+            adapter.performFilter()
+            true
+        }
+    }
+
+    override fun onCatSortChanged(id: Int?) {
+        val catId = (id ?: presenter.categories.find { it.order == activeCategory }?.id)
+                ?: return
+        presenter.requestCatSortUpdate(catId)
+    }
+
+    override fun onDestroyActionMode(mode: ActionMode?) {
+        super.onDestroyActionMode(mode)
+        adapter.mode = SelectableAdapter.Mode.SINGLE
+        adapter.clearSelection()
+        adapter.notifyDataSetChanged()
+        lastClickPosition = -1
+        adapter.isLongPressDragEnabled = canDrag()
+    }
+
+    override fun setSelection(manga: Manga, selected: Boolean) {
+        if (selected) {
+            if (selectedMangas.add(manga)) {
+                val position = adapter.indexOf(manga)
+                if (adapter.mode != SelectableAdapter.Mode.MULTI) {
+                    adapter.mode = SelectableAdapter.Mode.MULTI
+                }
+                launchUI {
+                    delay(100)
+                    adapter.isLongPressDragEnabled = false
+                }
+                adapter.toggleSelection(position)
+                (recycler.findViewHolderForItemId(manga.id!!) as? LibraryHolder)?.toggleActivation()
+            }
+        } else {
+            if (selectedMangas.remove(manga)) {
+                val position = adapter.indexOf(manga)
+                lastClickPosition = -1
+                if (selectedMangas.isEmpty()) {
+                    adapter.mode = SelectableAdapter.Mode.SINGLE
+                    adapter.isLongPressDragEnabled = canDrag()
+                }
+                adapter.toggleSelection(position)
+                (recycler.findViewHolderForItemId(manga.id!!) as? LibraryHolder)?.toggleActivation()
+            }
+        }
+    }
+
+    /// Method for single list
+    override fun startReading(position: Int) {
+        if (adapter.mode == SelectableAdapter.Mode.MULTI) {
+            toggleSelection(position)
+            return
+        }
+        val manga = (adapter.getItem(position) as? LibraryItem)?.manga ?: return
+        startReading(manga)
+    }
+
+    /**
+     * Tells the presenter to toggle the selection for the given position.
+     *
+     * @param position the position to toggle.
+     */
+    private fun toggleSelection(position: Int) {
+        val item = adapter.getItem(position) as? LibraryItem ?: return
+
+        setSelection(item.manga, !adapter.isSelected(position))
+        invalidateActionMode()
+    }
+
+
+    override fun canDrag(): Boolean {
+        val filterOff = preferences.filterCompleted().getOrDefault() +
+            preferences.filterTracked().getOrDefault() +
+            preferences.filterUnread().getOrDefault() +
+            preferences.filterMangaType().getOrDefault() +
+            preferences.filterCompleted().getOrDefault() == 0 &&
+            !preferences.hideCategories().getOrDefault()
+        return filterOff && adapter.mode != SelectableAdapter.Mode.MULTI
+    }
+
+    /**
+     * Called when a manga is clicked.
+     *
+     * @param position the position of the element clicked.
+     * @return true if the item should be selected, false otherwise.
+     */
+    override fun onItemClick(view: View?, position: Int): Boolean {
+        // If the action mode is created and the position is valid, toggle the selection.
+        val item = adapter.getItem(position) as? LibraryItem ?: return false
+        return if (adapter.mode == SelectableAdapter.Mode.MULTI) {
+            lastClickPosition = position
+            toggleSelection(position)
+            true
+        } else {
+            openManga(item.manga, null)
+            false
+        }
+    }
+
+    /**
+     * Called when a manga is long clicked.
+     *
+     * @param position the position of the element clicked.
+     */
+    override fun onItemLongClick(position: Int) {
+        createActionModeIfNeeded()
+        when {
+            lastClickPosition == -1 -> setSelection(position)
+            lastClickPosition > position -> for (i in position until lastClickPosition)
+                setSelection(i)
+            lastClickPosition < position -> for (i in lastClickPosition + 1..position)
+                setSelection(i)
+            else -> setSelection(position)
+        }
+        lastClickPosition = position
+    }
+
+    override fun onActionStateChanged(viewHolder: RecyclerView.ViewHolder?, actionState: Int) {
+        val position = viewHolder?.adapterPosition ?: return
+        if (actionState == 2) onItemLongClick(position)
+    }
+
+    override fun onUpdateManga(manga: LibraryManga) {
+        if (manga.id == null) adapter.notifyDataSetChanged()
+        else super.onUpdateManga(manga)
+    }
+
+    /**
+     * Tells the presenter to set the selection for the given position.
+     *
+     * @param position the position to toggle.
+     */
+    private fun setSelection(position: Int) {
+        val item = adapter.getItem(position) as? LibraryItem ?: return
+
+        setSelection(item.manga, true)
+        invalidateActionMode()
+    }
+
+    override fun onItemMove(fromPosition: Int, toPosition: Int) { }
+
+    override fun onItemReleased(position: Int) {
+        if (adapter.selectedItemCount > 0) return
+        val item = adapter.getItem(position) as? LibraryItem ?: return
+        val newHeader = adapter.getSectionHeader(position) as? LibraryHeaderItem
+        val libraryItems = adapter.getSectionItems(adapter.getSectionHeader(position))
+            .filterIsInstance<LibraryItem>()
+        val mangaIds = libraryItems.mapNotNull { (it as? LibraryItem)?.manga?.id }
+        if (newHeader?.category?.id == item.manga.category) {
+            presenter.rearrangeCategory(item.manga.category, mangaIds)
+        } else {
+            if (newHeader?.category?.mangaSort == null) {
+                presenter.moveMangaToCategory(item, newHeader?.category?.id, mangaIds, true)
+            } else {
+                MaterialDialog(activity!!).message(R.string.switch_to_dnd)
+                    .positiveButton(R.string.action_switch) {
+                        presenter.moveMangaToCategory(item, newHeader.category.id, mangaIds, true)
+                    }.negativeButton(
+                        text = resources?.getString(
+                            R.string.keep_current_sort,
+                            resources!!.getString(newHeader.category.sortRes()).toLowerCase
+                                (Locale.getDefault())
+                        )
+                    ) {
+                        presenter.moveMangaToCategory(
+                            item, newHeader.category.id, mangaIds, false
+                        )
+                    }
+                    .cancelOnTouchOutside(false)
+                    .show()
+            }
+        }
+    }
+
+    override fun shouldMoveItem(fromPosition: Int, toPosition: Int): Boolean {
+        if (adapter.selectedItemCount > 1)
+            return false
+        if (adapter.isSelected(fromPosition))
+            toggleSelection(fromPosition)
+        return true
+    }
+
+    override fun updateCategory(catId: Int): Boolean {
+        val category = (adapter.getItem(catId) as? LibraryHeaderItem)?.category ?:
+        return false
+        val inQueue = LibraryUpdateService.categoryInQueue(category.id)
+        snack?.dismiss()
+        snack = snackbar_layout.snack(resources!!.getString(
+            when {
+                inQueue -> R.string.category_already_in_queue
+                LibraryUpdateService.isRunning() ->
+                    R.string.adding_category_to_queue
+                else -> R.string.updating_category_x
+            }, category.name))
+        if (!inQueue)
+            LibraryUpdateService.start(view!!.context, category)
+        return true
+    }
+
+    override fun sortCategory(catId: Int, sortBy: Int): String {
+        presenter.sortCategory(catId, sortBy)
+        return ""
+    }
+}

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

@@ -121,7 +121,7 @@ class SortFilterBottomSheet @JvmOverloads constructor(context: Context, attrs: A
         updateTitle()
         val shadow2:View = (pagerView.parent as ViewGroup).findViewById(R.id.shadow2)
         val shadow:View = (pagerView.parent as ViewGroup).findViewById(R.id.shadow)
-        val fastScroller:View = (pagerView.parent as ViewGroup).findViewById(R.id.fast_scroller)
+        val fastScroller:View? = (pagerView.parent as ViewGroup).findViewById(R.id.fast_scroller)
         val coordLayout:View = (pagerView.parent as ViewGroup).findViewById(R.id.snackbar_layout)
         val phoneLandscape = (isLandscape() && !isTablet())
         if (phoneLandscape)
@@ -167,7 +167,7 @@ class SortFilterBottomSheet @JvmOverloads constructor(context: Context, attrs: A
             }
             if (sheetBehavior?.state == BottomSheetBehavior.STATE_COLLAPSED) {
                 val height = context.resources.getDimensionPixelSize(R.dimen.rounder_radius)
-                fastScroller.updateLayoutParams<CoordinatorLayout.LayoutParams> {
+                fastScroller?.updateLayoutParams<CoordinatorLayout.LayoutParams> {
                     bottomMargin = if (phoneLandscape) 0 else (top_bar.height - height)
                 }
                 pager?.setPadding(0, 0, 0, if (phoneLandscape) 0 else

app/src/main/java/eu/kanade/tachiyomi/ui/main/MainActivity.kt

@@ -47,6 +47,7 @@ import eu.kanade.tachiyomi.ui.catalogue.global_search.CatalogueSearchController
 import eu.kanade.tachiyomi.ui.download.DownloadController
 import eu.kanade.tachiyomi.ui.extension.ExtensionController
 import eu.kanade.tachiyomi.ui.library.LibraryController
+import eu.kanade.tachiyomi.ui.library.LibraryListController
 import eu.kanade.tachiyomi.ui.manga.MangaController
 import eu.kanade.tachiyomi.ui.recent_updates.RecentChaptersController
 import eu.kanade.tachiyomi.ui.recently_read.RecentlyReadController
@@ -131,7 +132,11 @@ open class MainActivity : BaseActivity(), DownloadServiceListener {
             val currentRoot = router.backstack.firstOrNull()
             if (currentRoot?.tag()?.toIntOrNull() != id) {
                 when (id) {
-                    R.id.nav_library -> setRoot(LibraryController(), id)
+                    R.id.nav_library -> setRoot(
+                        if (preferences.libraryAsSingleList().getOrDefault())
+                            LibraryListController()
+                        else
+                            LibraryController(), id)
                     R.id.nav_recents ->  {
                         if (preferences.showRecentUpdates().getOrDefault())
                             setRoot(RecentChaptersController(), id)

app/src/main/java/eu/kanade/tachiyomi/ui/recent_updates/RecentChaptersController.kt

@@ -26,10 +26,10 @@ import eu.kanade.tachiyomi.ui.base.controller.withFadeTransaction
 import eu.kanade.tachiyomi.ui.main.MainActivity
 import eu.kanade.tachiyomi.ui.manga.MangaController
 import eu.kanade.tachiyomi.ui.reader.ReaderActivity
+import eu.kanade.tachiyomi.ui.recently_read.RecentlyReadController
 import eu.kanade.tachiyomi.util.system.notificationManager
 import eu.kanade.tachiyomi.util.view.RecyclerWindowInsetsListener
 import eu.kanade.tachiyomi.util.view.snack
-import eu.kanade.tachiyomi.ui.recently_read.RecentlyReadController
 import kotlinx.android.synthetic.main.recent_chapters_controller.*
 import timber.log.Timber
 import uy.kohesive.injekt.Injekt
@@ -98,7 +98,7 @@ class RecentChaptersController : NucleusController<RecentChaptersPresenter>(),
 
         swipe_refresh.setDistanceToTriggerSync((2 * 64 * view.resources.displayMetrics.density).toInt())
         swipe_refresh.refreshes().subscribeUntilDestroy {
-            if (!LibraryUpdateService.isRunning(view.context)) {
+            if (!LibraryUpdateService.isRunning()) {
                 LibraryUpdateService.start(view.context)
                 view.snack(R.string.updating_library)
             }

app/src/main/java/eu/kanade/tachiyomi/ui/setting/SettingsAdvancedController.kt

@@ -2,8 +2,8 @@ package eu.kanade.tachiyomi.ui.setting
 
 import android.app.Dialog
 import android.os.Bundle
-import androidx.preference.PreferenceScreen
 import android.widget.Toast
+import androidx.preference.PreferenceScreen
 import com.afollestad.materialdialogs.MaterialDialog
 import com.bluelinelabs.conductor.RouterTransaction
 import com.bluelinelabs.conductor.changehandler.FadeChangeHandler
@@ -13,17 +13,19 @@ import eu.kanade.tachiyomi.data.database.DatabaseHelper
 import eu.kanade.tachiyomi.data.download.DownloadManager
 import eu.kanade.tachiyomi.data.library.LibraryUpdateService
 import eu.kanade.tachiyomi.data.library.LibraryUpdateService.Target
+import eu.kanade.tachiyomi.data.preference.getOrDefault
 import eu.kanade.tachiyomi.network.NetworkHelper
 import eu.kanade.tachiyomi.source.SourceManager
 import eu.kanade.tachiyomi.ui.base.controller.DialogController
 import eu.kanade.tachiyomi.ui.library.LibraryController
+import eu.kanade.tachiyomi.ui.library.LibraryListController
 import eu.kanade.tachiyomi.util.system.launchUI
+import eu.kanade.tachiyomi.util.system.toast
 import kotlinx.coroutines.CoroutineStart
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.GlobalScope
 import kotlinx.coroutines.Job
 import kotlinx.coroutines.launch
-import eu.kanade.tachiyomi.util.system.toast
 import rx.Observable
 import rx.android.schedulers.AndroidSchedulers
 import rx.schedulers.Schedulers
@@ -154,7 +156,11 @@ class SettingsAdvancedController : SettingsController() {
 
     private fun clearDatabase() {
         // Avoid weird behavior by going back to the library.
-        val newBackstack = listOf(RouterTransaction.with(LibraryController())) +
+        val newBackstack = listOf(RouterTransaction.with(
+            if (preferences.libraryAsSingleList().getOrDefault())
+                LibraryListController()
+            else
+                LibraryController())) +
                 router.backstack.drop(1)
 
         router.setBackstack(newBackstack, FadeChangeHandler())

app/src/main/res/layout/library_category_header_item.xml

@@ -16,7 +16,6 @@
         android:gravity="center|start"
         android:inputType="none"
         android:maxLines="1"
-        android:textColor="?attr/actionBarTintColor"
         app:layout_constraintBottom_toBottomOf="@id/update_button"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintWidth_default="wrap"
@@ -32,6 +31,7 @@
         android:background="@drawable/square_ripple"
         android:clickable="true"
         android:layout_marginEnd="10dp"
+        android:drawableTint="@color/gray_button"
         android:drawableEnd="@drawable/ic_sort_white_24dp"
         android:drawablePadding="6dp"
         android:focusable="true"
@@ -65,10 +65,15 @@
     <ProgressBar
         android:id="@+id/cat_progress"
         android:layout_width="wrap_content"
-        android:layout_height="0dp"
+        android:indeterminate="true"
+        android:layout_height="30dp"
+        android:alpha="0.0"
+        tools:alpha="1.0"
         android:layout_marginStart="0dp"
-        app:layout_constraintBottom_toBottomOf="@+id/category_title"
+        app:layout_constraintHorizontal_bias="0.0"
-        app:layout_constraintStart_toEndOf="@+id/category_title"
+        app:layout_constraintBottom_toBottomOf="@+id/update_button"
-        app:layout_constraintTop_toTopOf="@+id/category_title" />
+        app:layout_constraintStart_toStartOf="@+id/update_button"
+        app:layout_constraintEnd_toEndOf="@id/update_button"
+        app:layout_constraintTop_toTopOf="@+id/update_button" />
 
 </androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/layout/library_controller.xml

@@ -6,16 +6,8 @@
     android:id="@+id/library_layout"
     android:layout_height="match_parent">
 
-    <FrameLayout
-        android:id="@+id/recycler_layout"
-        android:layout_width="match_parent"
-        android:layout_height="match_parent">
-
-    </FrameLayout>
-
     <androidx.coordinatorlayout.widget.CoordinatorLayout
         android:id="@+id/pager_layout"
-        android:visibility="gone"
         android:layout_width="match_parent"
         android:layout_height="match_parent">
 
@@ -25,15 +17,6 @@
             android:layout_height="match_parent" />
     </androidx.coordinatorlayout.widget.CoordinatorLayout>
 
-    <eu.davidea.fastscroller.FastScroller
-        android:id="@+id/fast_scroller"
-        android:layout_width="wrap_content"
-        android:layout_height="match_parent"
-        android:layout_gravity="end"
-        app:fastScrollerIgnoreTouchesOutsideHandle="true"
-        app:fastScrollerBubbleEnabled="false"
-        tools:visibility="visible" />
-
     <androidx.coordinatorlayout.widget.CoordinatorLayout
         android:id="@+id/snackbar_layout"
         android:layout_width="match_parent"

app/src/main/res/layout/library_list_controller.xml

@@ -0,0 +1,69 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.coordinatorlayout.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/library_layout"
+    android:layout_height="match_parent">
+
+    <FrameLayout
+        android:id="@+id/recycler_layout"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent">
+
+    </FrameLayout>
+
+    <eu.davidea.fastscroller.FastScroller
+        android:id="@+id/fast_scroller"
+        android:layout_width="wrap_content"
+        android:layout_height="match_parent"
+        android:layout_gravity="end"
+        app:fastScrollerIgnoreTouchesOutsideHandle="true"
+        app:fastScrollerBubbleEnabled="false"
+        tools:visibility="visible" />
+
+    <androidx.coordinatorlayout.widget.CoordinatorLayout
+        android:id="@+id/snackbar_layout"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"/>
+
+    <eu.kanade.tachiyomi.widget.EmptyView
+        android:id="@+id/empty_view"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center"
+        android:visibility="gone" />
+
+    <View
+        android:id="@+id/shadow"
+        android:layout_width="match_parent"
+        android:layout_height="24dp"
+        android:alpha="0.5"
+        android:background="@drawable/shape_gradient_top_shadow"
+        android:paddingBottom="10dp"
+        app:layout_anchorGravity="top"
+        app:layout_anchor="@id/bottom_sheet" />
+
+    <!-- Adding bottom sheet after main content -->
+    <include layout="@layout/filter_bottom_sheet"/>
+
+    <com.google.android.material.floatingactionbutton.FloatingActionButton
+        android:id="@+id/fab"
+        style="@style/Theme.Widget.FABFixed"
+        android:layout_gravity="center"
+        android:clickable="false"
+        android:focusable="false"
+        android:scaleX="0"
+        android:scaleY="0"
+        app:layout_anchor="@id/bottom_sheet"
+        app:layout_anchorGravity="end|top"
+        app:srcCompat="@drawable/ic_file_download_white_24dp" />
+
+    <View
+        android:id="@+id/shadow2"
+        android:layout_width="match_parent"
+        android:layout_height="8dp"
+        android:layout_gravity="bottom"
+        android:alpha="0.25"
+        android:background="@drawable/shape_gradient_top_shadow" />
+</androidx.coordinatorlayout.widget.CoordinatorLayout>

app/src/main/res/layout/library_spinner_textview.xml

@@ -7,5 +7,6 @@
     android:layout_height="wrap_content"
     android:gravity="start"
     android:textSize="20sp"
+    android:textColor="?attr/actionBarTintColor"
     tools:text="Title"
     tools:background="?attr/colorPrimary"/>

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

@@ -21,7 +21,7 @@
     </declare-styleable>
 
     <attr name="navigation_view_theme" format="reference"/>
-    <attr name="actionBarTintColor" format="reference|integer"/>
+    <attr name="actionBarTintColor" format="color"/>
     <attr name="tabBarIconColor" format="reference|integer"/>
     <attr name="tabBarIconInactive" format="reference|integer"/>
     <attr name="selectable_list_drawable" format="reference|integer" />