Migrate feed to adapter delegates

app/src/main/java/org/koitharu/kotatsu/base/ui/list/PaginationScrollListener.kt

@@ -1,34 +1,18 @@
 package org.koitharu.kotatsu.base.ui.list
 
-import androidx.recyclerview.widget.LinearLayoutManager
 import androidx.recyclerview.widget.RecyclerView
 
 class PaginationScrollListener(offset: Int, private val callback: Callback) :
 	BoundsScrollListener(0, offset) {
 
-	private var lastTotalCount = 0
-
 	override fun onScrolledToStart(recyclerView: RecyclerView) = Unit
 
 	override fun onScrolledToEnd(recyclerView: RecyclerView) {
-		val total = (recyclerView.layoutManager as? LinearLayoutManager)?.itemCount ?: return
-		if (total > lastTotalCount) {
-			lastTotalCount = total
-			callback.onRequestMoreItems(total)
-		} else if (total < lastTotalCount) {
-			lastTotalCount = total
-		}
-	}
-
-	fun reset() {
-		lastTotalCount = 0
+		callback.onScrolledToEnd()
 	}
 
 	interface Callback {
 
-		fun onRequestMoreItems(offset: Int)
-
-		@Deprecated("Not in use")
-		fun getItemsCount(): Int = 0
+		fun onScrolledToEnd()
 	}
 }

app/src/main/java/org/koitharu/kotatsu/favourites/ui/list/FavouritesListFragment.kt

@@ -20,7 +20,9 @@ class FavouritesListFragment : MangaListFragment() {
 	private val categoryId: Long
 		get() = arguments?.getLong(ARG_CATEGORY_ID) ?: 0L
 
-	override fun onRequestMoreItems(offset: Int) = Unit
+	override val isSwipeRefreshEnabled = false
+
+	override fun onScrolledToEnd() = Unit
 
 	override fun setUpEmptyListHolder() {
 		textView_holder.setText(

app/src/main/java/org/koitharu/kotatsu/history/ui/HistoryListFragment.kt

@@ -17,17 +17,14 @@ import org.koitharu.kotatsu.utils.ext.ellipsize
 class HistoryListFragment : MangaListFragment() {
 
 	override val viewModel by viewModel<HistoryListViewModel>()
-
-	init {
-		isSwipeRefreshEnabled = false
-	}
+	override val isSwipeRefreshEnabled = false
 
 	override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
 		super.onViewCreated(view, savedInstanceState)
 		viewModel.onItemRemoved.observe(viewLifecycleOwner, ::onItemRemoved)
 	}
 
-	override fun onRequestMoreItems(offset: Int) = Unit
+	override fun onScrolledToEnd() = Unit
 
 	override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) {
 		inflater.inflate(R.menu.opt_history, menu)

app/src/main/java/org/koitharu/kotatsu/list/ui/MangaListFragment.kt

@@ -45,7 +45,7 @@ abstract class MangaListFragment : BaseFragment(R.layout.fragment_list),
 	private var paginationListener: PaginationScrollListener? = null
 	private val spanResolver = MangaListSpanResolver()
 	private val spanSizeLookup = SpanSizeLookup()
-	protected var isSwipeRefreshEnabled = true
+	open val isSwipeRefreshEnabled = true
 
 	protected abstract val viewModel: MangaListViewModel
 
@@ -63,6 +63,7 @@ abstract class MangaListFragment : BaseFragment(R.layout.fragment_list),
 		recyclerView.adapter = adapter
 		recyclerView.addOnScrollListener(paginationListener!!)
 		swipeRefreshLayout.setOnRefreshListener(this)
+		swipeRefreshLayout.isEnabled = isSwipeRefreshEnabled
 		recyclerView_filter.setHasFixedSize(true)
 		recyclerView_filter.addItemDecoration(ItemTypeDividerDecoration(view.context))
 		recyclerView_filter.addItemDecoration(SectionItemDecoration(false, this))
@@ -125,9 +126,9 @@ abstract class MangaListFragment : BaseFragment(R.layout.fragment_list),
 		}
 	}
 
-	final override fun onRefresh() {
+	@CallSuper
+	override fun onRefresh() {
 		swipeRefreshLayout.isRefreshing = true
-		onRequestMoreItems(0)
 	}
 
 	private fun onListChanged(list: List<Any>) {

app/src/main/java/org/koitharu/kotatsu/list/ui/MangaListSheet.kt

@@ -57,7 +57,7 @@ abstract class MangaListSheet : BaseBottomSheet(R.layout.sheet_list),
 			appbar.elevation = resources.getDimension(R.dimen.elevation_large)
 		}
 		if (savedInstanceState == null) {
-			onRequestMoreItems(0)
+			onScrolledToEnd()
 		}
 		viewModel.content.observe(viewLifecycleOwner, ::onListChanged)
 		viewModel.onError.observe(viewLifecycleOwner, ::onError)
@@ -128,8 +128,6 @@ abstract class MangaListSheet : BaseBottomSheet(R.layout.sheet_list),
 		recyclerView.callOnScrollListeners()
 	}
 
-	override fun getItemsCount() = adapter?.itemCount ?: 0
-
 	private fun onError(e: Throwable) {
 		Snackbar.make(recyclerView, e.getDisplayMessage(resources), Snackbar.LENGTH_SHORT).show()
 	}
@@ -151,7 +149,7 @@ abstract class MangaListSheet : BaseBottomSheet(R.layout.sheet_list),
 			ListMode.GRID -> {
 				GridLayoutManager(ctx, UiUtils.resolveGridSpanCount(ctx)).apply {
 					spanSizeLookup = object : GridLayoutManager.SpanSizeLookup() {
-						override fun getSpanSize(position: Int) = if (position < getItemsCount())
+						override fun getSpanSize(position: Int) = if (position < TODO() as Int)
 							1 else this@apply.spanCount
 					}
 				}

app/src/main/java/org/koitharu/kotatsu/local/ui/LocalListFragment.kt

@@ -32,12 +32,13 @@ class LocalListFragment : MangaListFragment(), ActivityResultCallback<Uri> {
 		viewModel.onMangaRemoved.observe(viewLifecycleOwner, ::onItemRemoved)
 	}
 
-	override fun onRequestMoreItems(offset: Int) {
-		if (offset == 0) {
-			viewModel.onRefresh()
-		}
+	override fun onRefresh() {
+		super.onRefresh()
+		viewModel.onRefresh()
 	}
 
+	override fun onScrolledToEnd() = Unit
+
 	override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) {
 		inflater.inflate(R.menu.opt_local, menu)
 		super.onCreateOptionsMenu(menu, inflater)

app/src/main/java/org/koitharu/kotatsu/local/ui/LocalListViewModel.kt

@@ -45,11 +45,17 @@ class LocalListViewModel(
 	}.asLiveData(viewModelScope.coroutineContext + Dispatchers.Default)
 
 	init {
-		loadList()
+		onRefresh()
 	}
 
 	fun onRefresh() {
-		loadList()
+		launchLoadingJob {
+			withContext(Dispatchers.Default) {
+				val list = repository.getList(0)
+				mangaList.value = list
+				isEmptyState.postValue(list.isEmpty())
+			}
+		}
 	}
 
 	fun importFile(uri: Uri) {
@@ -69,7 +75,7 @@ class LocalListViewModel(
 					}
 				} ?: throw IOException("Cannot open input stream: $uri")
 			}
-			loadList()
+			onRefresh()
 		}
 	}
 
@@ -88,14 +94,4 @@ class LocalListViewModel(
 			onMangaRemoved.call(manga)
 		}
 	}
-
-	private fun loadList() {
-		launchLoadingJob {
-			withContext(Dispatchers.Default) {
-				val list = repository.getList(0)
-				mangaList.value = list
-				isEmptyState.postValue(list.isEmpty())
-			}
-		}
-	}
 }

app/src/main/java/org/koitharu/kotatsu/remotelist/ui/RemoteListFragment.kt

@@ -21,8 +21,13 @@ class RemoteListFragment : MangaListFragment() {
 
 	private val source by parcelableArgument<MangaSource>(ARG_SOURCE)
 
-	override fun onRequestMoreItems(offset: Int) {
-		viewModel.loadList(offset)
+	override fun onRefresh() {
+		super.onRefresh()
+		viewModel.loadList(append = false)
+	}
+
+	override fun onScrolledToEnd() {
+		viewModel.loadList(append = true)
 	}
 
 	override fun getTitle(): CharSequence? {

app/src/main/java/org/koitharu/kotatsu/remotelist/ui/RemoteListViewModel.kt

@@ -45,22 +45,22 @@ class RemoteListViewModel(
 	}.asLiveData(viewModelScope.coroutineContext + Dispatchers.Default)
 
 	init {
-		loadList(0)
+		loadList(false)
 		loadFilter()
 	}
 
-	fun loadList(offset: Int) {
+	fun loadList(append: Boolean) {
 		if (loadingJob?.isActive == true) {
 			return
 		}
 		loadingJob = launchLoadingJob {
 			withContext(Dispatchers.Default) {
 				val list = repository.getList(
-					offset = offset,
+					offset = if (append) mangaList.value.size else 0,
 					sortOrder = appliedFilter?.sortOrder,
 					tag = appliedFilter?.tag
 				)
-				if (offset == 0) {
+				if (!append) {
 					mangaList.value = list
 				} else if (list.isNotEmpty()) {
 					mangaList.value += list
@@ -74,7 +74,7 @@ class RemoteListViewModel(
 		appliedFilter = newFilter
 		mangaList.value = emptyList()
 		hasNextPage.value = false
-		loadList(0)
+		loadList(false)
 	}
 
 	private fun loadFilter() {

app/src/main/java/org/koitharu/kotatsu/search/ui/MangaSearchSheet.kt

@@ -28,8 +28,8 @@ class MangaSearchSheet : MangaListSheet() {
 		setSubtitle(getString(R.string.search_results_on_s, source.title))
 	}
 
-	override fun onRequestMoreItems(offset: Int) {
-		viewModel.loadList(query.orEmpty(), offset)
+	override fun onScrolledToEnd() {
+		viewModel.loadList(query.orEmpty(), append = true)
 	}
 
 	companion object {

app/src/main/java/org/koitharu/kotatsu/search/ui/SearchFragment.kt

@@ -17,8 +17,13 @@ class SearchFragment : MangaListFragment() {
 	private val query by stringArgument(ARG_QUERY)
 	private val source by parcelableArgument<MangaSource>(ARG_SOURCE)
 
-	override fun onRequestMoreItems(offset: Int) {
-		viewModel.loadList(query.orEmpty(), offset)
+	override fun onRefresh() {
+		super.onRefresh()
+		viewModel.loadList(query.orEmpty(), append = false)
+	}
+
+	override fun onScrolledToEnd() {
+		viewModel.loadList(query.orEmpty(), append = true)
 	}
 
 	override fun getTitle(): CharSequence? {

app/src/main/java/org/koitharu/kotatsu/search/ui/SearchViewModel.kt

@@ -14,12 +14,12 @@ class SearchViewModel(
 
 	override val content = MutableLiveData<List<Any>>()
 
-	fun loadList(query: String, offset: Int) {
+	fun loadList(query: String, append: Boolean) {
 		launchLoadingJob {
 			val list = withContext(Dispatchers.Default) {
-				repository.getList(offset, query = query)
+				repository.getList(TODO(), query = query)
 			}
-			if (offset == 0) {
+			if (!append) {
 				content.value = list
 			} else {
 				content.value = content.value.orEmpty() + list

app/src/main/java/org/koitharu/kotatsu/search/ui/global/GlobalSearchFragment.kt

@@ -12,12 +12,13 @@ class GlobalSearchFragment : MangaListFragment() {
 
 	private val query by stringArgument(ARG_QUERY)
 
-	override fun onRequestMoreItems(offset: Int) {
-		if (offset == 0) {
-			viewModel.startSearch(query.orEmpty())
-		}
+	override fun onRefresh() {
+		super.onRefresh()
+		viewModel.startSearch(query.orEmpty())
 	}
 
+	override fun onScrolledToEnd() = Unit
+
 	override fun getTitle(): CharSequence? {
 		return query
 	}

app/src/main/java/org/koitharu/kotatsu/tracker/TrackerModule.kt

@@ -1,5 +1,6 @@
 package org.koitharu.kotatsu.tracker
 
+import org.koin.android.ext.koin.androidContext
 import org.koin.android.viewmodel.dsl.viewModel
 import org.koin.dsl.module
 import org.koitharu.kotatsu.tracker.domain.TrackingRepository
@@ -10,5 +11,5 @@ val trackerModule
 
 		single { TrackingRepository(get(), get()) }
 
-		viewModel { FeedViewModel(get()) }
+		viewModel { FeedViewModel(androidContext(), get()) }
 	}

app/src/main/java/org/koitharu/kotatsu/tracker/ui/FeedAdapter.kt

@@ -1,19 +1,46 @@
 package org.koitharu.kotatsu.tracker.ui
 
-import android.view.ViewGroup
-import org.koitharu.kotatsu.base.ui.list.BaseRecyclerAdapter
-import org.koitharu.kotatsu.base.ui.list.BaseViewHolder
-import org.koitharu.kotatsu.base.ui.list.OnRecyclerItemClickListener
-import org.koitharu.kotatsu.core.model.TrackingLogItem
+import androidx.recyclerview.widget.DiffUtil
+import coil.ImageLoader
+import com.hannesdorfmann.adapterdelegates4.AsyncListDifferDelegationAdapter
+import org.koitharu.kotatsu.base.ui.list.OnListItemClickListener
+import org.koitharu.kotatsu.core.model.Manga
+import org.koitharu.kotatsu.list.ui.adapter.indeterminateProgressAD
+import org.koitharu.kotatsu.list.ui.model.IndeterminateProgress
+import org.koitharu.kotatsu.tracker.ui.adapter.feedItemAD
+import org.koitharu.kotatsu.tracker.ui.model.FeedItem
+import kotlin.jvm.internal.Intrinsics
 
-class FeedAdapter(onItemClickListener: OnRecyclerItemClickListener<TrackingLogItem>? = null) :
-	BaseRecyclerAdapter<TrackingLogItem, Unit>(onItemClickListener) {
+class FeedAdapter(
+	coil: ImageLoader,
+	clickListener: OnListItemClickListener<Manga>
+) : AsyncListDifferDelegationAdapter<Any>(DiffCallback()) {
 
-	override fun onCreateViewHolder(parent: ViewGroup): BaseViewHolder<TrackingLogItem, Unit> {
-		return FeedHolder(parent)
+	init {
+		delegatesManager.addDelegate(ITEM_TYPE_FEED, feedItemAD(coil, clickListener))
+			.addDelegate(ITEM_TYPE_PROGRESS, indeterminateProgressAD())
 	}
 
-	override fun onGetItemId(item: TrackingLogItem) = item.id
+	private class DiffCallback : DiffUtil.ItemCallback<Any>() {
 
-	override fun getExtra(item: TrackingLogItem, position: Int) = Unit
+		override fun areItemsTheSame(oldItem: Any, newItem: Any) = when {
+			oldItem is FeedItem && newItem is FeedItem -> {
+				oldItem.id == newItem.id
+			}
+			oldItem == IndeterminateProgress && newItem == IndeterminateProgress -> {
+				true
+			}
+			else -> false
+		}
+
+		override fun areContentsTheSame(oldItem: Any, newItem: Any): Boolean {
+			return Intrinsics.areEqual(oldItem, newItem)
+		}
+	}
+
+	companion object {
+
+		const val ITEM_TYPE_FEED = 0
+		const val ITEM_TYPE_PROGRESS = 1
+	}
 }

app/src/main/java/org/koitharu/kotatsu/tracker/ui/FeedFragment.kt

@@ -8,21 +8,21 @@ import android.view.View
 import androidx.core.view.isVisible
 import com.google.android.material.snackbar.Snackbar
 import kotlinx.android.synthetic.main.fragment_tracklogs.*
+import org.koin.android.ext.android.get
 import org.koin.android.viewmodel.ext.android.viewModel
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.base.ui.BaseFragment
-import org.koitharu.kotatsu.base.ui.list.OnRecyclerItemClickListener
+import org.koitharu.kotatsu.base.ui.list.OnListItemClickListener
 import org.koitharu.kotatsu.base.ui.list.PaginationScrollListener
 import org.koitharu.kotatsu.base.ui.list.decor.SpacingItemDecoration
-import org.koitharu.kotatsu.core.model.TrackingLogItem
+import org.koitharu.kotatsu.core.model.Manga
 import org.koitharu.kotatsu.details.ui.DetailsActivity
 import org.koitharu.kotatsu.tracker.work.TrackWorker
-import org.koitharu.kotatsu.utils.ext.callOnScrollListeners
 import org.koitharu.kotatsu.utils.ext.getDisplayMessage
 import org.koitharu.kotatsu.utils.ext.hasItems
 
 class FeedFragment : BaseFragment(R.layout.fragment_tracklogs), PaginationScrollListener.Callback,
-	OnRecyclerItemClickListener<TrackingLogItem> {
+	OnListItemClickListener<Manga> {
 
 	private val viewModel by viewModel<FeedViewModel>()
 
@@ -37,7 +37,7 @@ class FeedFragment : BaseFragment(R.layout.fragment_tracklogs), PaginationScroll
 
 	override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
 		super.onViewCreated(view, savedInstanceState)
-		adapter = FeedAdapter(this)
+		adapter = FeedAdapter(get(), this)
 		recyclerView.adapter = adapter
 		recyclerView.addItemDecoration(
 			SpacingItemDecoration(resources.getDimensionPixelOffset(R.dimen.grid_spacing))
@@ -45,12 +45,13 @@ class FeedFragment : BaseFragment(R.layout.fragment_tracklogs), PaginationScroll
 		recyclerView.setHasFixedSize(true)
 		recyclerView.addOnScrollListener(PaginationScrollListener(4, this))
 		if (savedInstanceState == null) {
-			onRequestMoreItems(0)
+			onScrolledToEnd()
 		}
 
 		viewModel.content.observe(viewLifecycleOwner, this::onListChanged)
 		viewModel.isLoading.observe(viewLifecycleOwner, this::onLoadingStateChanged)
 		viewModel.onError.observe(viewLifecycleOwner, this::onError)
+		viewModel.isEmptyState.observe(viewLifecycleOwner, this::onEmptyStateChanged)
 	}
 
 	override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) {
@@ -72,15 +73,8 @@ class FeedFragment : BaseFragment(R.layout.fragment_tracklogs), PaginationScroll
 		super.onDestroyView()
 	}
 
-	private fun onListChanged(list: List<TrackingLogItem>) {
-		adapter?.replaceData(list)
-		if (list.isEmpty()) {
-			setUpEmptyListHolder()
-			layout_holder.isVisible = true
-		} else {
-			layout_holder.isVisible = false
-		}
-		recyclerView.callOnScrollListeners()
+	private fun onListChanged(list: List<Any>) {
+		adapter?.items = list
 	}
 
 	private fun onError(e: Throwable) {
@@ -102,21 +96,21 @@ class FeedFragment : BaseFragment(R.layout.fragment_tracklogs), PaginationScroll
 	private fun onLoadingStateChanged(isLoading: Boolean) {
 		val hasItems = recyclerView.hasItems
 		progressBar.isVisible = isLoading && !hasItems
-		if (isLoading) {
-			layout_holder.isVisible = false
+	}
+
+	private fun onEmptyStateChanged(isEmpty: Boolean) {
+		if (isEmpty) {
+			setUpEmptyListHolder()
 		}
+		layout_holder.isVisible = isEmpty
 	}
 
-	override fun getItemsCount(): Int {
-		return adapter?.itemCount ?: 0
+	override fun onScrolledToEnd() {
+		viewModel.loadList(append = true)
 	}
 
-	override fun onRequestMoreItems(offset: Int) {
-		viewModel.loadList(offset)
-	}
-
-	override fun onItemClick(item: TrackingLogItem, position: Int, view: View) {
-		startActivity(DetailsActivity.newIntent(context ?: return, item.manga))
+	override fun onItemClick(item: Manga, view: View) {
+		startActivity(DetailsActivity.newIntent(context ?: return, item))
 	}
 
 	private fun setUpEmptyListHolder() {

app/src/main/java/org/koitharu/kotatsu/tracker/ui/FeedHolder.kt

@@ -1,48 +0,0 @@
-package org.koitharu.kotatsu.tracker.ui
-
-import android.text.format.DateUtils
-import android.view.ViewGroup
-import coil.ImageLoader
-import coil.request.Disposable
-import kotlinx.android.synthetic.main.item_tracklog.*
-import org.koin.core.component.inject
-import org.koitharu.kotatsu.R
-import org.koitharu.kotatsu.base.ui.list.BaseViewHolder
-import org.koitharu.kotatsu.core.model.TrackingLogItem
-import org.koitharu.kotatsu.utils.ext.enqueueWith
-import org.koitharu.kotatsu.utils.ext.formatRelative
-import org.koitharu.kotatsu.utils.ext.newImageRequest
-
-class FeedHolder(parent: ViewGroup) :
-	BaseViewHolder<TrackingLogItem, Unit>(parent, R.layout.item_tracklog) {
-
-	private val coil by inject<ImageLoader>()
-	private var imageRequest: Disposable? = null
-
-	override fun onBind(data: TrackingLogItem, extra: Unit) {
-		imageRequest?.dispose()
-		imageRequest = imageView_cover.newImageRequest(data.manga.coverUrl)
-			.placeholder(R.drawable.ic_placeholder)
-			.fallback(R.drawable.ic_placeholder)
-			.error(R.drawable.ic_placeholder)
-			.enqueueWith(coil)
-		textView_title.text = data.manga.title
-		textView_subtitle.text = buildString {
-			append(data.createdAt.formatRelative(DateUtils.DAY_IN_MILLIS))
-			append(" ")
-			append(
-				context.resources.getQuantityString(
-					R.plurals.new_chapters,
-					data.chapters.size,
-					data.chapters.size
-				)
-			)
-		}
-		textView_chapters.text = data.chapters.joinToString("\n")
-	}
-
-	override fun onRecycled() {
-		imageRequest?.dispose()
-		imageView_cover.setImageDrawable(null)
-	}
-}

app/src/main/java/org/koitharu/kotatsu/tracker/ui/FeedViewModel.kt

@@ -1,24 +1,60 @@
 package org.koitharu.kotatsu.tracker.ui
 
+import android.content.Context
 import androidx.lifecycle.MutableLiveData
+import androidx.lifecycle.asLiveData
+import androidx.lifecycle.viewModelScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.combine
+import kotlinx.coroutines.flow.drop
+import kotlinx.coroutines.flow.onEach
 import org.koitharu.kotatsu.base.ui.BaseViewModel
 import org.koitharu.kotatsu.core.model.TrackingLogItem
+import org.koitharu.kotatsu.list.ui.model.IndeterminateProgress
 import org.koitharu.kotatsu.tracker.domain.TrackingRepository
+import org.koitharu.kotatsu.tracker.ui.model.toFeedItem
+import org.koitharu.kotatsu.utils.ext.mapItems
 
 class FeedViewModel(
+	context: Context,
 	private val repository: TrackingRepository
 ) : BaseViewModel() {
 
-	val content = MutableLiveData<List<TrackingLogItem>>()
+	private val logList = MutableStateFlow<List<TrackingLogItem>>(emptyList())
+	private val hasNextPage = MutableStateFlow(false)
+	private var loadingJob: Job? = null
 
-	fun loadList(offset: Int) {
-		launchLoadingJob {
+	val isEmptyState = MutableLiveData(false)
+	val content = combine(
+		logList.drop(1).onEach {
+			isEmptyState.postValue(it.isEmpty())
+		}.mapItems {
+			it.toFeedItem(context.resources)
+		},
+		hasNextPage
+	) { list, isHasNextPage ->
+		if (isHasNextPage && list.isNotEmpty()) list + IndeterminateProgress else list
+	}.asLiveData(viewModelScope.coroutineContext + Dispatchers.Default)
+
+	init {
+		loadList(append = false)
+	}
+
+	fun loadList(append: Boolean) {
+		if (loadingJob?.isActive == true) {
+			return
+		}
+		loadingJob = launchLoadingJob {
+			val offset = if (append) logList.value.size else 0
 			val list = repository.getTrackingLog(offset, 20)
-			if (offset == 0) {
-				content.value = list
-			} else {
-				content.value = content.value.orEmpty() + list
+			if (!append) {
+				logList.value = list
+			} else if (list.isNotEmpty()) {
+				logList.value += list
 			}
+			hasNextPage.value = list.isNotEmpty()
 		}
 	}
 }

app/src/main/java/org/koitharu/kotatsu/tracker/ui/adapter/FeedItemAD.kt

@@ -0,0 +1,41 @@
+package org.koitharu.kotatsu.tracker.ui.adapter
+
+import coil.ImageLoader
+import coil.request.Disposable
+import com.hannesdorfmann.adapterdelegates4.dsl.adapterDelegateLayoutContainer
+import kotlinx.android.synthetic.main.item_tracklog.*
+import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.base.ui.list.OnListItemClickListener
+import org.koitharu.kotatsu.core.model.Manga
+import org.koitharu.kotatsu.tracker.ui.model.FeedItem
+import org.koitharu.kotatsu.utils.ext.enqueueWith
+import org.koitharu.kotatsu.utils.ext.newImageRequest
+
+fun feedItemAD(
+	coil: ImageLoader,
+	clickListener: OnListItemClickListener<Manga>
+) = adapterDelegateLayoutContainer<FeedItem, Any>(R.layout.item_tracklog) {
+
+	var imageRequest: Disposable? = null
+
+	itemView.setOnClickListener {
+		clickListener.onItemClick(item.manga, it)
+	}
+
+	bind {
+		imageRequest?.dispose()
+		imageRequest = imageView_cover.newImageRequest(item.imageUrl)
+			.placeholder(R.drawable.ic_placeholder)
+			.fallback(R.drawable.ic_placeholder)
+			.error(R.drawable.ic_placeholder)
+			.enqueueWith(coil)
+		textView_title.text = item.title
+		textView_subtitle.text = item.subtitle
+		textView_chapters.text = item.chapters
+	}
+
+	onViewRecycled {
+		imageRequest?.dispose()
+		imageView_cover.setImageDrawable(null)
+	}
+}

app/src/main/java/org/koitharu/kotatsu/tracker/ui/model/FeedItem.kt

@@ -0,0 +1,12 @@
+package org.koitharu.kotatsu.tracker.ui.model
+
+import org.koitharu.kotatsu.core.model.Manga
+
+data class FeedItem(
+	val id: Long,
+	val imageUrl: String,
+	val title: String,
+	val subtitle: String,
+	val chapters: CharSequence,
+	val manga: Manga
+)

app/src/main/java/org/koitharu/kotatsu/tracker/ui/model/ListModelConversionExt.kt

@@ -0,0 +1,26 @@
+package org.koitharu.kotatsu.tracker.ui.model
+
+import android.content.res.Resources
+import android.text.format.DateUtils
+import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.core.model.TrackingLogItem
+import org.koitharu.kotatsu.utils.ext.formatRelative
+
+fun TrackingLogItem.toFeedItem(resources: Resources) = FeedItem(
+	id = id,
+	imageUrl = manga.coverUrl,
+	title = manga.title,
+	subtitle = buildString {
+		append(createdAt.formatRelative(DateUtils.DAY_IN_MILLIS))
+		append(" ")
+		append(
+			resources.getQuantityString(
+				R.plurals.new_chapters,
+				chapters.size,
+				chapters.size
+			)
+		)
+	},
+	chapters = chapters.joinToString("\n"),
+	manga = manga
+)