Description bottom sheet

app/src/main/kotlin/org/koitharu/kotatsu/details/ui/DescriptionSheet.kt

@@ -0,0 +1,32 @@
+package org.koitharu.kotatsu.details.ui
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.ViewGroup
+import androidx.fragment.app.FragmentManager
+import org.koitharu.kotatsu.core.ui.sheet.BaseAdaptiveSheet
+import org.koitharu.kotatsu.core.util.ext.showDistinct
+import org.koitharu.kotatsu.core.util.ext.withArgs
+import org.koitharu.kotatsu.databinding.SheetDescriptionBinding
+
+class DescriptionSheet : BaseAdaptiveSheet<SheetDescriptionBinding>() {
+
+	override fun onCreateViewBinding(inflater: LayoutInflater, container: ViewGroup?): SheetDescriptionBinding {
+		return SheetDescriptionBinding.inflate(inflater, container, false)
+	}
+
+	override fun onViewBindingCreated(binding: SheetDescriptionBinding, savedInstanceState: Bundle?) {
+		super.onViewBindingCreated(binding, savedInstanceState)
+		binding.textViewDescription.text = arguments?.getCharSequence(ARG_CONTENT)
+	}
+
+	companion object {
+
+		private const val ARG_CONTENT = "content"
+		private const val TAG = "DescriptionSheet"
+
+		fun show(fm: FragmentManager, content: CharSequence) = DescriptionSheet().withArgs(1) {
+			putCharSequence(ARG_CONTENT, content)
+		}.showDistinct(fm, TAG)
+	}
+}

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

@@ -191,6 +191,7 @@ class DetailsFragment :
 		} else {
 			requireViewBinding().textViewDescription.text = description
 		}
+		requireViewBinding().buttonDescriptionMore.isGone = description.isNullOrBlank()
 	}
 
 	private fun onLocalSizeChanged(size: Long) {
@@ -295,6 +296,10 @@ class DetailsFragment :
 				)
 			}
 
+			R.id.button_description_more -> {
+				DescriptionSheet.show(parentFragmentManager, viewModel.description.value ?: return)
+			}
+
 			R.id.button_scrobbling_more -> {
 				ScrobblingSelectorSheet.show(parentFragmentManager, manga, null)
 			}

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

@@ -324,6 +324,7 @@
 			android:layout_height="wrap_content"
 			android:layout_marginEnd="8dp"
 			android:text="@string/show_all"
+			android:visibility="gone"
 			app:layout_constraintBaseline_toBaselineOf="@id/textView_related_title"
 			app:layout_constraintEnd_toEndOf="parent" />
 

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

@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout
+	xmlns:android="http://schemas.android.com/apk/res/android"
+	xmlns:app="http://schemas.android.com/apk/res-auto"
+	xmlns:tools="http://schemas.android.com/tools"
+	android:layout_width="match_parent"
+	android:layout_height="wrap_content"
+	android:animateLayoutChanges="true"
+	android:orientation="vertical">
+
+	<org.koitharu.kotatsu.core.ui.sheet.AdaptiveSheetHeaderBar
+		android:id="@+id/headerBar"
+		android:layout_width="match_parent"
+		android:layout_height="wrap_content"
+		app:title="@string/description" />
+
+	<androidx.core.widget.NestedScrollView
+		android:layout_width="match_parent"
+		android:layout_height="wrap_content">
+
+		<org.koitharu.kotatsu.core.ui.widgets.SelectableTextView
+			android:id="@+id/textView_description"
+			android:layout_width="match_parent"
+			android:layout_height="wrap_content"
+			android:layout_marginStart="@dimen/margin_normal"
+			android:layout_marginEnd="@dimen/margin_normal"
+			android:lineSpacingMultiplier="1.2"
+			android:paddingBottom="@dimen/margin_normal"
+			android:textAppearance="?attr/textAppearanceBodyMedium"
+			android:textIsSelectable="true"
+			tools:text="@tools:sample/lorem/random" />
+
+	</androidx.core.widget.NestedScrollView>
+</LinearLayout>