Searching chapters collapses manga header

Fixed fade in of chapters on first load of manga details

app/src/main/java/eu/kanade/tachiyomi/ui/catalogue/CatalogueController.kt

@@ -34,13 +34,13 @@ import eu.kanade.tachiyomi.util.view.applyWindowInsetsForRootController
 import eu.kanade.tachiyomi.util.view.scrollViewWith
 import eu.kanade.tachiyomi.util.view.setOnQueryTextChangeListener
 import eu.kanade.tachiyomi.widget.preference.SourceLoginDialog
+import kotlin.math.max
 import kotlinx.android.parcel.Parcelize
 import kotlinx.android.synthetic.main.catalogue_main_controller.*
 import kotlinx.android.synthetic.main.extensions_bottom_sheet.*
 import kotlinx.android.synthetic.main.main_activity.*
 import uy.kohesive.injekt.Injekt
 import uy.kohesive.injekt.api.get
-import kotlin.math.max
 
 /**
  * This controller shows and manages the different catalogues enabled by the user.

app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaDetailsAdapter.kt

@@ -52,10 +52,10 @@ class MangaDetailsAdapter(
     fun performFilter() {
         val s = getFilter(String::class.java)
         if (s.isNullOrBlank()) {
-            updateDataSet(items, true)
+            updateDataSet(items, itemCount != 0)
         } else {
             updateDataSet(items.filter { it.name.contains(s, true) ||
-                it.scanlator?.contains(s, true) == true })
+                it.scanlator?.contains(s, true) == true }, itemCount != 0)
         }
     }
 

app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaDetailsController.kt

@@ -576,6 +576,10 @@ class MangaDetailsController : BaseController,
 
         setOnQueryTextChangeListener(searchView) {
             query = it ?: ""
+            if (query.isNotEmpty()) {
+                (recycler.findViewHolderForAdapterPosition(0) as? MangaHeaderHolder)?.collaspe()
+            } else (recycler.findViewHolderForAdapterPosition(0) as? MangaHeaderHolder)?.expand()
+
             adapter?.setFilter(query)
             adapter?.performFilter()
             true

app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaHeaderHolder.kt

@@ -20,11 +20,12 @@ import eu.kanade.tachiyomi.source.model.SManga
 import eu.kanade.tachiyomi.ui.base.holder.BaseFlexibleViewHolder
 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.updateLayoutParams
 import eu.kanade.tachiyomi.util.view.visible
 import eu.kanade.tachiyomi.util.view.visibleIf
-import java.util.Locale
 import kotlinx.android.synthetic.main.manga_header_item.*
+import java.util.Locale
 
 class MangaHeaderHolder(
     private val view: View,
@@ -103,11 +104,13 @@ class MangaHeaderHolder(
             .no_description)
 
         manga_summary.post {
-            if ((manga_summary.lineCount < 3 && manga.genre.isNullOrBlank()) ||
+            if (sub_item_group.visibility != View.GONE) {
-                less_button.visibility == View.VISIBLE) {
+                if ((manga_summary.lineCount < 3 && manga.genre.isNullOrBlank()) || less_button.visibility == View.VISIBLE) {
-                more_button_group.gone()
+                    more_button_group.gone()
-            } else
+                } else more_button_group.visible()
-                more_button_group.visible()
+            }
+            if (adapter.hasFilter()) collaspe()
+            else expand()
         }
         manga_summary_label.text = itemView.context.getString(R.string.about_this,
             itemView.context.getString(
@@ -252,6 +255,26 @@ class MangaHeaderHolder(
         }
     }
 
+    fun collaspe() {
+        sub_item_group.gone()
+        if (more_button.visibility == View.VISIBLE || more_button.visibility == View.INVISIBLE)
+            more_button_group.invisible()
+        else {
+            less_button.gone()
+            manga_genres_tags.gone()
+        }
+    }
+
+    fun expand() {
+        sub_item_group.visible()
+        if (more_button.visibility == View.VISIBLE || more_button.visibility == View.INVISIBLE)
+            more_button_group.visible()
+        else {
+            less_button.visible()
+            manga_genres_tags.visible()
+        }
+    }
+
     override fun onLongClick(view: View?): Boolean {
         super.onLongClick(view)
         return false

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

@@ -274,6 +274,13 @@
         android:layout_height="wrap_content"
         app:constraint_referenced_ids="more_button,more_bg_gradient,more_bg_solid" />
 
+    <androidx.constraintlayout.widget.Group
+        android:id="@+id/sub_item_group"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        app:constraint_referenced_ids="start_reading_button,
+        manga_summary,manga_summary_label,button_layout" />
+
     <me.gujun.android.taggroup.TagGroup
         android:id="@+id/manga_genres_tags"
         style="@style/TagGroup"
@@ -339,7 +346,7 @@
         android:textSize="17sp"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toStartOf="@id/filters_text"
-        app:layout_constraintStart_toStartOf="@id/manga_summary_label"
+        app:layout_constraintStart_toStartOf="@id/cover_card"
         app:layout_constraintTop_toBottomOf="@id/start_reading_button" />
 
     <ImageView