Search in chapters #133

app/build.gradle

@@ -66,7 +66,7 @@ android {
 }
 dependencies {
 	implementation fileTree(dir: 'libs', include: ['*.jar', '*.aar'])
-	implementation 'com.github.nv95:kotatsu-parsers:fe243c8acf'
+	implementation 'com.github.nv95:kotatsu-parsers:e15dbf2a4b'
 
 	implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-core:1.6.0'
 	implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.6.0'

app/src/main/java/org/koitharu/kotatsu/details/ui/ChaptersFragment.kt

@@ -7,11 +7,11 @@ import android.widget.AdapterView
 import android.widget.Spinner
 import androidx.appcompat.app.AppCompatActivity
 import androidx.appcompat.view.ActionMode
+import androidx.appcompat.widget.SearchView
 import androidx.core.graphics.Insets
+import androidx.core.view.isGone
 import androidx.core.view.isVisible
 import androidx.core.view.updatePadding
-import androidx.recyclerview.widget.RecyclerView
-import com.google.android.material.divider.MaterialDividerItemDecoration
 import org.koin.androidx.viewmodel.ext.android.sharedViewModel
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.base.ui.BaseFragment
@@ -27,10 +27,13 @@ import org.koitharu.kotatsu.reader.ui.ReaderActivity
 import org.koitharu.kotatsu.reader.ui.ReaderState
 import org.koitharu.kotatsu.utils.RecyclerViewScrollCallback
 
-class ChaptersFragment : BaseFragment<FragmentChaptersBinding>(),
+class ChaptersFragment :
+	BaseFragment<FragmentChaptersBinding>(),
 	OnListItemClickListener<ChapterListItem>,
 	ActionMode.Callback,
-	AdapterView.OnItemSelectedListener {
+	AdapterView.OnItemSelectedListener,
+	MenuItem.OnActionExpandListener,
+	SearchView.OnQueryTextListener {
 
 	private val viewModel by sharedViewModel<DetailsViewModel>()
 
@@ -63,6 +66,10 @@ class ChaptersFragment : BaseFragment<FragmentChaptersBinding>(),
 		viewModel.isChaptersReversed.observe(viewLifecycleOwner) {
 			activity?.invalidateOptionsMenu()
 		}
+		viewModel.hasChapters.observe(viewLifecycleOwner) {
+			binding.textViewHolder.isGone = it
+			activity?.invalidateOptionsMenu()
+		}
 	}
 
 	override fun onDestroyView() {
@@ -75,11 +82,18 @@ class ChaptersFragment : BaseFragment<FragmentChaptersBinding>(),
 	override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) {
 		super.onCreateOptionsMenu(menu, inflater)
 		inflater.inflate(R.menu.opt_chapters, menu)
+		val searchMenuItem = menu.findItem(R.id.action_search)
+		searchMenuItem.setOnActionExpandListener(this)
+		val searchView = searchMenuItem.actionView as SearchView
+		searchView.setOnQueryTextListener(this)
+		searchView.setIconifiedByDefault(false)
+		searchView.queryHint = searchMenuItem.title
 	}
 
 	override fun onPrepareOptionsMenu(menu: Menu) {
 		super.onPrepareOptionsMenu(menu)
 		menu.findItem(R.id.action_reversed).isChecked = viewModel.isChaptersReversed.value == true
+		menu.findItem(R.id.action_search).isVisible = viewModel.hasChapters.value == true
 	}
 
 	override fun onOptionsItemSelected(item: MenuItem) = when (item.itemId) {
@@ -117,7 +131,8 @@ class ChaptersFragment : BaseFragment<FragmentChaptersBinding>(),
 				view.context,
 				viewModel.manga.value ?: return,
 				ReaderState(item.chapter.id, 0, 0)
-			), options.toBundle()
+			),
+			options.toBundle()
 		)
 	}
 
@@ -189,6 +204,21 @@ class ChaptersFragment : BaseFragment<FragmentChaptersBinding>(),
 		actionMode = null
 	}
 
+	override fun onMenuItemActionExpand(item: MenuItem?): Boolean = true
+
+	override fun onMenuItemActionCollapse(item: MenuItem?): Boolean {
+		(item?.actionView as? SearchView)?.setQuery("", false)
+		viewModel.performChapterSearch(null)
+		return true
+	}
+
+	override fun onQueryTextSubmit(query: String?): Boolean = false
+
+	override fun onQueryTextChange(newText: String?): Boolean {
+		viewModel.performChapterSearch(newText)
+		return true
+	}
+
 	override fun onWindowInsetsChanged(insets: Insets) {
 		binding.recyclerViewChapters.updatePadding(
 			bottom = insets.bottom + (binding.spinnerBranches?.height ?: 0),

app/src/main/java/org/koitharu/kotatsu/details/ui/DetailsFragment.kt

@@ -4,9 +4,7 @@ import android.app.ActivityOptions
 import android.os.Bundle
 import android.text.Spanned
 import android.text.method.LinkMovementMethod
-import android.view.LayoutInflater
-import android.view.View
-import android.view.ViewGroup
+import android.view.*
 import androidx.core.content.ContextCompat
 import androidx.core.graphics.Insets
 import androidx.core.net.toUri
@@ -38,12 +36,20 @@ import org.koitharu.kotatsu.search.ui.SearchActivity
 import org.koitharu.kotatsu.utils.FileSize
 import org.koitharu.kotatsu.utils.ext.*
 
-class DetailsFragment : BaseFragment<FragmentDetailsBinding>(), View.OnClickListener,
-	View.OnLongClickListener, ChipsView.OnChipClickListener {
+class DetailsFragment :
+	BaseFragment<FragmentDetailsBinding>(),
+	View.OnClickListener,
+	View.OnLongClickListener,
+	ChipsView.OnChipClickListener {
 
 	private val viewModel by sharedViewModel<DetailsViewModel>()
 	private val coil by inject<ImageLoader>(mode = LazyThreadSafetyMode.NONE)
 
+	override fun onCreate(savedInstanceState: Bundle?) {
+		super.onCreate(savedInstanceState)
+		setHasOptionsMenu(true)
+	}
+
 	override fun onInflateView(
 		inflater: LayoutInflater,
 		container: ViewGroup?,
@@ -64,6 +70,11 @@ class DetailsFragment : BaseFragment<FragmentDetailsBinding>(), View.OnClickList
 		viewModel.readingHistory.observe(viewLifecycleOwner, ::onHistoryChanged)
 	}
 
+	override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) {
+		super.onCreateOptionsMenu(menu, inflater)
+		inflater.inflate(R.menu.opt_details_info, menu)
+	}
+
 	private fun onMangaUpdated(manga: Manga) {
 		with(binding) {
 			// Main
@@ -276,4 +287,4 @@ class DetailsFragment : BaseFragment<FragmentDetailsBinding>(), View.OnClickList
 			.lifecycle(viewLifecycleOwner)
 			.enqueueWith(coil)
 	}
-}
+}

app/src/main/java/org/koitharu/kotatsu/details/ui/DetailsViewModel.kt

@@ -40,7 +40,7 @@ class DetailsViewModel(
 ) : BaseViewModel() {
 
 	private var loadingJob: Job
-	private val mangaData = MutableStateFlow<Manga?>(intent.manga)
+	private val mangaData = MutableStateFlow(intent.manga)
 	private val selectedBranch = MutableStateFlow<String?>(null)
 
 	private val history = mangaData.mapNotNull { it?.id }
@@ -62,6 +62,7 @@ class DetailsViewModel(
 		}.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.Eagerly, 0)
 
 	private val remoteManga = MutableStateFlow<Manga?>(null)
+	private val chaptersQuery = MutableStateFlow("")
 
 	private val chaptersReversed = settings.observe()
 		.filter { it == AppSettings.KEY_REVERSE_CHAPTERS }
@@ -93,21 +94,29 @@ class DetailsViewModel(
 		branches.indexOf(selected)
 	}.asLiveData(viewModelScope.coroutineContext + Dispatchers.Default)
 
+	val hasChapters = mangaData.map {
+		!(it?.chapters.isNullOrEmpty())
+	}.asLiveData(viewModelScope.coroutineContext + Dispatchers.Default)
+
 	val chapters = combine(
-		mangaData.map { it?.chapters.orEmpty() },
-		remoteManga,
-		history.map { it?.chapterId },
-		newChapters,
-		selectedBranch
-	) { chapters, sourceManga, currentId, newCount, branch ->
-		val sourceChapters = sourceManga?.chapters
-		if (sourceManga?.source != MangaSource.LOCAL && !sourceChapters.isNullOrEmpty()) {
-			mapChaptersWithSource(chapters, sourceChapters, currentId, newCount, branch)
-		} else {
-			mapChapters(chapters, sourceChapters, currentId, newCount, branch)
-		}
-	}.combine(chaptersReversed) { list, reversed ->
-		if (reversed) list.asReversed() else list
+		combine(
+			mangaData.map { it?.chapters.orEmpty() },
+			remoteManga,
+			history.map { it?.chapterId },
+			newChapters,
+			selectedBranch
+		) { chapters, sourceManga, currentId, newCount, branch ->
+			val sourceChapters = sourceManga?.chapters
+			if (sourceManga?.source != MangaSource.LOCAL && !sourceChapters.isNullOrEmpty()) {
+				mapChaptersWithSource(chapters, sourceChapters, currentId, newCount, branch)
+			} else {
+				mapChapters(chapters, sourceChapters, currentId, newCount, branch)
+			}
+		},
+		chaptersReversed,
+		chaptersQuery,
+	) { list, reversed, query ->
+		(if (reversed) list.asReversed() else list).filterSearch(query)
 	}.asLiveData(viewModelScope.coroutineContext + Dispatchers.Default)
 
 	init {
@@ -142,6 +151,10 @@ class DetailsViewModel(
 		return remoteManga.value
 	}
 
+	fun performChapterSearch(query: String?) {
+		chaptersQuery.value = query?.trim().orEmpty()
+	}
+
 	private fun doLoad() = launchLoadingJob(Dispatchers.Default) {
 		var manga = mangaDataRepository.resolveIntent(intent)
 			?: throw MangaNotFoundException("Cannot find manga")
@@ -262,4 +275,13 @@ class DetailsViewModel(
 		}
 		return groups.maxByOrNull { it.value.size }?.key
 	}
-}
+
+	private fun List<ChapterListItem>.filterSearch(query: String): List<ChapterListItem> {
+		if (query.isEmpty() || this.isEmpty()) {
+			return this
+		}
+		return filter {
+			it.chapter.name.contains(query, ignoreCase = true)
+		}
+	}
+}

app/src/main/java/org/koitharu/kotatsu/reader/ui/ChaptersBottomSheet.kt

@@ -5,8 +5,6 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import androidx.fragment.app.FragmentManager
-import androidx.recyclerview.widget.RecyclerView
-import com.google.android.material.divider.MaterialDividerItemDecoration
 import org.koin.android.ext.android.get
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.base.ui.BaseBottomSheet
@@ -35,9 +33,6 @@ class ChaptersBottomSheet : BaseBottomSheet<SheetChaptersBinding>(), OnListItemC
 		if (!resources.getBoolean(R.bool.is_tablet)) {
 			binding.toolbar.navigationIcon = null
 		}
-		binding.recyclerView.addItemDecoration(
-			MaterialDividerItemDecoration(view.context, RecyclerView.VERTICAL)
-		)
 		val chapters = arguments?.getParcelable<ParcelableMangaChapters>(ARG_CHAPTERS)?.chapters
 		if (chapters.isNullOrEmpty()) {
 			dismissAllowingStateLoss()

app/src/main/java/org/koitharu/kotatsu/reader/ui/thumbnails/adapter/PageThumbnailAD.kt

@@ -66,6 +66,7 @@ fun pageThumbnailAD(
 
 	onViewRecycled {
 		job?.cancel()
+		job = null
 		binding.imageViewThumb.setImageDrawable(null)
 	}
 }

app/src/main/java/org/koitharu/kotatsu/settings/onboard/OnboardDialogFragment.kt

@@ -15,6 +15,7 @@ import org.koitharu.kotatsu.databinding.DialogOnboardBinding
 import org.koitharu.kotatsu.settings.onboard.adapter.SourceLocalesAdapter
 import org.koitharu.kotatsu.settings.onboard.model.SourceLocale
 import org.koitharu.kotatsu.utils.ext.observeNotNull
+import org.koitharu.kotatsu.utils.ext.showAllowStateLoss
 import org.koitharu.kotatsu.utils.ext.withArgs
 
 class OnboardDialogFragment : AlertDialogFragment<DialogOnboardBinding>(),
@@ -77,7 +78,7 @@ class OnboardDialogFragment : AlertDialogFragment<DialogOnboardBinding>(),
 		fun showWelcome(fm: FragmentManager) {
 			OnboardDialogFragment().withArgs(1) {
 				putBoolean(ARG_WELCOME, true)
-			}.show(fm, TAG)
+			}.showAllowStateLoss(fm, TAG)
 		}
 	}
 }

app/src/main/java/org/koitharu/kotatsu/utils/ext/FragmentExt.kt

@@ -2,7 +2,9 @@ package org.koitharu.kotatsu.utils.ext
 
 import android.os.Bundle
 import android.os.Parcelable
+import androidx.fragment.app.DialogFragment
 import androidx.fragment.app.Fragment
+import androidx.fragment.app.FragmentManager
 import androidx.lifecycle.coroutineScope
 import java.io.Serializable
 
@@ -34,4 +36,10 @@ inline fun <reified T : Serializable> Fragment.serializableArgument(name: String
 
 fun Fragment.stringArgument(name: String) = lazy(LazyThreadSafetyMode.NONE) {
 	arguments?.getString(name)
+}
+
+fun DialogFragment.showAllowStateLoss(manager: FragmentManager, tag: String?) {
+	if (!manager.isStateSaved) {
+		show(manager, tag)
+	}
 }

app/src/main/res/layout-w720dp/fragment_chapters.xml

@@ -25,4 +25,17 @@
 		android:visibility="gone"
 		tools:visibility="visible" />
 
+	<TextView
+		android:id="@+id/textView_holder"
+		android:layout_width="wrap_content"
+		android:layout_height="wrap_content"
+		android:layout_gravity="center"
+		android:layout_margin="@dimen/margin_normal"
+		android:gravity="center"
+		android:text="@string/chapters_empty"
+		android:textAlignment="center"
+		android:textAppearance="?attr/textAppearanceBodyLarge"
+		android:visibility="gone"
+		tools:visibility="visible" />
+
 </FrameLayout>

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

@@ -37,8 +37,25 @@
 		android:layout_width="wrap_content"
 		android:layout_height="wrap_content"
 		android:layout_centerInParent="true"
-		android:indeterminate="true"
 		android:layout_gravity="center"
+		android:indeterminate="true"
+		android:visibility="gone"
+		tools:visibility="visible" />
+
+	<TextView
+		android:id="@+id/textView_holder"
+		android:layout_width="wrap_content"
+		android:layout_height="wrap_content"
+		android:layout_alignWithParentIfMissing="true"
+		android:layout_below="@id/spinner_branches"
+		android:layout_alignParentStart="true"
+		android:layout_alignParentEnd="true"
+		android:layout_alignParentBottom="true"
+		android:layout_margin="@dimen/margin_normal"
+		android:gravity="center"
+		android:text="@string/chapters_empty"
+		android:textAlignment="center"
+		android:textAppearance="?attr/textAppearanceBodyLarge"
 		android:visibility="gone"
 		tools:visibility="visible" />
 

app/src/main/res/menu/opt_chapters.xml

@@ -3,6 +3,14 @@
 	xmlns:android="http://schemas.android.com/apk/res/android"
 	xmlns:app="http://schemas.android.com/apk/res-auto">
 
+	<item
+		android:id="@+id/action_search"
+		android:icon="@drawable/ic_search"
+		android:orderInCategory="10"
+		android:title="@string/search_chapters"
+		app:actionViewClass="androidx.appcompat.widget.SearchView"
+		app:showAsAction="ifRoom|collapseActionView" />
+
 	<item
 		android:id="@+id/action_reversed"
 		android:checkable="true"

app/src/main/res/menu/opt_details.xml

@@ -3,13 +3,6 @@
 	xmlns:android="http://schemas.android.com/apk/res/android"
 	xmlns:app="http://schemas.android.com/apk/res-auto">
 
-	<item
-		android:id="@+id/action_share"
-		android:icon="@drawable/ic_share"
-		android:orderInCategory="10"
-		android:title="@string/share"
-		app:showAsAction="ifRoom" />
-
 	<item
 		android:id="@+id/action_save"
 		android:orderInCategory="40"

app/src/main/res/menu/opt_details_info.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu
+	xmlns:android="http://schemas.android.com/apk/res/android"
+	xmlns:app="http://schemas.android.com/apk/res-auto">
+
+	<item
+		android:id="@+id/action_share"
+		android:icon="@drawable/ic_share"
+		android:orderInCategory="15"
+		android:title="@string/share"
+		app:showAsAction="ifRoom" />
+
+</menu>

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

@@ -267,4 +267,6 @@
 	<string name="logged_in_as">Logged in as %s</string>
 	<string name="nsfw">18+</string>
 	<string name="various_languages">Various languages</string>
+	<string name="search_chapters">Find chapter</string>
+	<string name="chapters_empty">No chapters in this manga</string>
 </resources>