Quick search across manga sources

app/src/main/java/org/koitharu/kotatsu/settings/sources/SourcesSettingsFragment.kt

@@ -1,9 +1,8 @@
 package org.koitharu.kotatsu.settings.sources
 
 import android.os.Bundle
-import android.view.LayoutInflater
-import android.view.View
-import android.view.ViewGroup
+import android.view.*
+import androidx.appcompat.widget.SearchView
 import androidx.core.graphics.Insets
 import androidx.core.view.updatePadding
 import androidx.recyclerview.widget.ItemTouchHelper
@@ -20,7 +19,7 @@ import org.koitharu.kotatsu.settings.sources.adapter.SourceConfigListener
 import org.koitharu.kotatsu.settings.sources.model.SourceConfigItem
 
 class SourcesSettingsFragment : BaseFragment<FragmentSettingsSourcesBinding>(),
-	SourceConfigListener {
+	SourceConfigListener, SearchView.OnQueryTextListener, MenuItem.OnActionExpandListener {
 
 	private var reorderHelper: ItemTouchHelper? = null
 	private val viewModel by viewModel<SourcesSettingsViewModel>()
@@ -61,6 +60,17 @@ class SourcesSettingsFragment : BaseFragment<FragmentSettingsSourcesBinding>(),
 		super.onDestroyView()
 	}
 
+	override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) {
+		super.onCreateOptionsMenu(menu, inflater)
+		inflater.inflate(R.menu.opt_sources, 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 onWindowInsetsChanged(insets: Insets) {
 		binding.recyclerView.updatePadding(
 			bottom = insets.bottom,
@@ -85,6 +95,20 @@ class SourcesSettingsFragment : BaseFragment<FragmentSettingsSourcesBinding>(),
 		viewModel.expandOrCollapse(header.localeId)
 	}
 
+	override fun onQueryTextSubmit(query: String?): Boolean = false
+
+	override fun onQueryTextChange(newText: String?): Boolean {
+		viewModel.performSearch(newText)
+		return true
+	}
+
+	override fun onMenuItemActionExpand(item: MenuItem?): Boolean = true
+
+	override fun onMenuItemActionCollapse(item: MenuItem): Boolean {
+		(item.actionView as SearchView).setQuery("", false)
+		return true
+	}
+
 	private inner class SourcesReorderCallback : ItemTouchHelper.SimpleCallback(
 		ItemTouchHelper.DOWN or ItemTouchHelper.UP,
 		0,

app/src/main/java/org/koitharu/kotatsu/settings/sources/SourcesSettingsViewModel.kt

@@ -21,6 +21,7 @@ class SourcesSettingsViewModel(
 
 	val items = MutableLiveData<List<SourceConfigItem>>(emptyList())
 	private val expandedGroups = HashSet<String?>()
+	private var searchQuery: String? = null
 
 	init {
 		buildList()
@@ -63,9 +64,30 @@ class SourcesSettingsViewModel(
 		buildList()
 	}
 
+	fun performSearch(query: String?) {
+		searchQuery = query?.trim()
+		buildList()
+	}
+
 	private fun buildList() {
 		val sources = MangaProviderFactory.getSources(settings, includeHidden = true)
 		val hiddenSources = settings.hiddenSources
+		val query = searchQuery
+		if (!query.isNullOrEmpty()) {
+			items.value = sources.mapNotNull {
+				if (!it.title.contains(query, ignoreCase = true)) {
+					return@mapNotNull null
+				}
+				SourceConfigItem.SourceItem(
+					source = it,
+					isEnabled = it.name !in hiddenSources,
+					isDraggable = false,
+				)
+			}.ifEmpty {
+				listOf(SourceConfigItem.EmptySearchResult)
+			}
+			return
+		}
 		val map = sources.groupByTo(TreeMap(LocaleKeyComparator())) {
 			if (it.name !in hiddenSources) {
 				KEY_ENABLED

app/src/main/java/org/koitharu/kotatsu/settings/sources/adapter/SourceConfigAdapter.kt

@@ -15,4 +15,5 @@ class SourceConfigAdapter(
 	sourceConfigGroupDelegate(listener),
 	sourceConfigItemDelegate(listener, coil, lifecycleOwner),
 	sourceConfigDraggableItemDelegate(listener),
+	sourceConfigEmptySearchDelegate(),
 )

app/src/main/java/org/koitharu/kotatsu/settings/sources/adapter/SourceConfigAdapterDelegates.kt

@@ -4,12 +4,11 @@ import android.annotation.SuppressLint
 import android.view.MotionEvent
 import android.view.View
 import android.widget.CompoundButton
-import androidx.core.view.isVisible
-import androidx.core.view.updatePaddingRelative
 import androidx.lifecycle.LifecycleOwner
 import coil.ImageLoader
 import coil.request.Disposable
 import coil.request.ImageRequest
+import com.hannesdorfmann.adapterdelegates4.dsl.adapterDelegate
 import com.hannesdorfmann.adapterdelegates4.dsl.adapterDelegateViewBinding
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.databinding.ItemExpandableBinding
@@ -53,25 +52,15 @@ fun sourceConfigItemDelegate(
 	on = { item, _, _ -> item is SourceConfigItem.SourceItem && !item.isDraggable }
 ) {
 
-	val eventListener = object : View.OnClickListener, CompoundButton.OnCheckedChangeListener {
-		override fun onClick(v: View?) = listener.onItemSettingsClick(item)
-
-		override fun onCheckedChanged(buttonView: CompoundButton?, isChecked: Boolean) {
-			listener.onItemEnabledChanged(item, isChecked)
-		}
-	}
 	var imageRequest: Disposable? = null
 
-	binding.imageViewConfig.setOnClickListener(eventListener)
-	binding.switchToggle.setOnCheckedChangeListener(eventListener)
+	binding.switchToggle.setOnCheckedChangeListener { _, isChecked ->
+		listener.onItemEnabledChanged(item, isChecked)
+	}
 
 	bind {
 		binding.textViewTitle.text = item.source.title
 		binding.switchToggle.isChecked = item.isEnabled
-		binding.imageViewConfig.isVisible = item.isEnabled
-		binding.root.updatePaddingRelative(
-			end = if (item.isEnabled) 0 else binding.imageViewConfig.paddingEnd,
-		)
 		imageRequest = ImageRequest.Builder(context)
 			.data(item.faviconUrl)
 			.error(R.drawable.ic_favicon_fallback)
@@ -119,9 +108,9 @@ fun sourceConfigDraggableItemDelegate(
 	bind {
 		binding.textViewTitle.text = item.source.title
 		binding.switchToggle.isChecked = item.isEnabled
-		binding.imageViewConfig.isVisible = item.isEnabled
-		binding.root.updatePaddingRelative(
-			end = if (item.isEnabled) 0 else binding.imageViewConfig.paddingEnd,
-		)
 	}
-}
+}
+
+fun sourceConfigEmptySearchDelegate() = adapterDelegate<SourceConfigItem.EmptySearchResult, SourceConfigItem>(
+	R.layout.item_sources_empty
+) { }

app/src/main/java/org/koitharu/kotatsu/settings/sources/adapter/SourceConfigDiffCallback.kt

@@ -2,21 +2,25 @@ package org.koitharu.kotatsu.settings.sources.adapter
 
 import androidx.recyclerview.widget.DiffUtil
 import org.koitharu.kotatsu.settings.sources.model.SourceConfigItem
+import org.koitharu.kotatsu.settings.sources.model.SourceConfigItem.*
 
 class SourceConfigDiffCallback : DiffUtil.ItemCallback<SourceConfigItem>() {
 
 	override fun areItemsTheSame(oldItem: SourceConfigItem, newItem: SourceConfigItem): Boolean {
 		return when {
 			oldItem.javaClass != newItem.javaClass -> false
-			oldItem is SourceConfigItem.LocaleGroup && newItem is SourceConfigItem.LocaleGroup -> {
+			oldItem is LocaleGroup && newItem is LocaleGroup -> {
 				oldItem.localeId == newItem.localeId
 			}
-			oldItem is SourceConfigItem.SourceItem && newItem is SourceConfigItem.SourceItem -> {
+			oldItem is SourceItem && newItem is SourceItem -> {
 				oldItem.source == newItem.source
 			}
-			oldItem is SourceConfigItem.Header && newItem is SourceConfigItem.Header -> {
+			oldItem is Header && newItem is Header -> {
 				oldItem.titleResId == newItem.titleResId
 			}
+			oldItem == EmptySearchResult && newItem == EmptySearchResult -> {
+				true
+			}
 			else -> false
 		}
 	}

app/src/main/java/org/koitharu/kotatsu/settings/sources/model/SourceConfigItem.kt

@@ -76,4 +76,6 @@ sealed interface SourceConfigItem {
 			return result
 		}
 	}
+
+	object EmptySearchResult : SourceConfigItem
 }