Allow extension details header to scroll

app/src/main/java/eu/kanade/tachiyomi/ui/browse/extension/details/ExtensionDetailsController.kt

@@ -19,6 +19,7 @@ import androidx.preference.SwitchPreferenceCompat
 import androidx.recyclerview.widget.DividerItemDecoration
 import androidx.recyclerview.widget.DividerItemDecoration.VERTICAL
 import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.recyclerview.widget.MergeAdapter
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.data.preference.EmptyPreferenceDataStore
 import eu.kanade.tachiyomi.data.preference.PreferencesHelper
@@ -31,17 +32,14 @@ import eu.kanade.tachiyomi.source.getPreferenceKey
 import eu.kanade.tachiyomi.ui.base.controller.NoToolbarElevationController
 import eu.kanade.tachiyomi.ui.base.controller.NucleusController
 import eu.kanade.tachiyomi.ui.base.controller.withFadeTransaction
-import eu.kanade.tachiyomi.ui.browse.extension.getApplicationIcon
 import eu.kanade.tachiyomi.util.preference.DSL
 import eu.kanade.tachiyomi.util.preference.onChange
 import eu.kanade.tachiyomi.util.preference.preferenceCategory
 import eu.kanade.tachiyomi.util.preference.switchPreference
 import eu.kanade.tachiyomi.util.preference.switchSettingsPreference
 import eu.kanade.tachiyomi.util.system.LocaleHelper
-import eu.kanade.tachiyomi.util.view.visible
 import kotlinx.coroutines.flow.launchIn
 import kotlinx.coroutines.flow.onEach
-import reactivecircus.flowbinding.android.view.clicks
 import uy.kohesive.injekt.injectLazy
 
 @SuppressLint("RestrictedApi")
@@ -84,30 +82,15 @@ class ExtensionDetailsController(bundle: Bundle? = null) :
         val extension = presenter.extension ?: return
         val context = view.context
 
-        extension.getApplicationIcon(context)?.let { binding.extensionIcon.setImageDrawable(it) }
-        binding.extensionTitle.text = extension.name
-        binding.extensionVersion.text = context.getString(R.string.ext_version_info, extension.versionName)
-        binding.extensionLang.text = context.getString(R.string.ext_language_info, LocaleHelper.getSourceDisplayName(extension.lang, context))
-        binding.extensionPkg.text = extension.pkgName
-
-        binding.extensionUninstallButton.clicks()
-            .onEach { presenter.uninstallExtension() }
-            .launchIn(scope)
-
-        if (extension.isObsolete) {
-            binding.extensionWarningBanner.visible()
-            binding.extensionWarningBanner.setText(R.string.obsolete_extension_message)
-        }
-
-        if (extension.isUnofficial) {
-            binding.extensionWarningBanner.visible()
-            binding.extensionWarningBanner.setText(R.string.unofficial_extension_message)
-        }
-
-        initPreferences(context, extension)
+        binding.extensionPrefsRecycler.layoutManager = LinearLayoutManager(context)
+        binding.extensionPrefsRecycler.adapter = MergeAdapter(
+            ExtensionDetailsHeaderAdapter(presenter),
+            initPreferencesAdapter(context, extension)
+        )
+        binding.extensionPrefsRecycler.addItemDecoration(DividerItemDecoration(context, VERTICAL))
     }
 
-    private fun initPreferences(context: Context, extension: Extension.Installed) {
+    private fun initPreferencesAdapter(context: Context, extension: Extension.Installed): PreferenceGroupAdapter {
         val themedContext = getPreferenceThemeContext()
         val manager = PreferenceManager(themedContext)
         manager.preferenceDataStore = EmptyPreferenceDataStore()
@@ -181,9 +164,7 @@ class ExtensionDetailsController(bundle: Bundle? = null) :
                 }
         }
 
-        binding.extensionPrefsRecycler.layoutManager = LinearLayoutManager(context)
-        binding.extensionPrefsRecycler.adapter = PreferenceGroupAdapter(screen)
-        binding.extensionPrefsRecycler.addItemDecoration(DividerItemDecoration(context, VERTICAL))
+        return PreferenceGroupAdapter(screen)
     }
 
     override fun onDestroyView(view: View) {

app/src/main/java/eu/kanade/tachiyomi/ui/browse/extension/details/ExtensionDetailsHeaderAdapter.kt

@@ -0,0 +1,62 @@
+package eu.kanade.tachiyomi.ui.browse.extension.details
+
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.recyclerview.widget.RecyclerView
+import eu.kanade.tachiyomi.R
+import eu.kanade.tachiyomi.databinding.ExtensionDetailHeaderBinding
+import eu.kanade.tachiyomi.ui.browse.extension.getApplicationIcon
+import eu.kanade.tachiyomi.util.system.LocaleHelper
+import eu.kanade.tachiyomi.util.view.visible
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.flow.launchIn
+import kotlinx.coroutines.flow.onEach
+import reactivecircus.flowbinding.android.view.clicks
+
+class ExtensionDetailsHeaderAdapter(private val presenter: ExtensionDetailsPresenter) :
+    RecyclerView.Adapter<ExtensionDetailsHeaderAdapter.HeaderViewHolder>() {
+
+    private val scope = CoroutineScope(Job() + Dispatchers.Main)
+    private lateinit var binding: ExtensionDetailHeaderBinding
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): HeaderViewHolder {
+        binding = ExtensionDetailHeaderBinding.inflate(LayoutInflater.from(parent.context), parent, false)
+        return HeaderViewHolder(binding.root)
+    }
+
+    override fun getItemCount(): Int = 1
+
+    override fun onBindViewHolder(holder: HeaderViewHolder, position: Int) {
+        holder.bind()
+    }
+
+    inner class HeaderViewHolder(private val view: View) : RecyclerView.ViewHolder(view) {
+        fun bind() {
+            val extension = presenter.extension ?: return
+            val context = view.context
+
+            extension.getApplicationIcon(context)?.let { binding.extensionIcon.setImageDrawable(it) }
+            binding.extensionTitle.text = extension.name
+            binding.extensionVersion.text = context.getString(R.string.ext_version_info, extension.versionName)
+            binding.extensionLang.text = context.getString(R.string.ext_language_info, LocaleHelper.getSourceDisplayName(extension.lang, context))
+            binding.extensionPkg.text = extension.pkgName
+
+            binding.extensionUninstallButton.clicks()
+                .onEach { presenter.uninstallExtension() }
+                .launchIn(scope)
+
+            if (extension.isObsolete) {
+                binding.extensionWarningBanner.visible()
+                binding.extensionWarningBanner.setText(R.string.obsolete_extension_message)
+            }
+
+            if (extension.isUnofficial) {
+                binding.extensionWarningBanner.visible()
+                binding.extensionWarningBanner.setText(R.string.unofficial_extension_message)
+            }
+        }
+    }
+}

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

@@ -1,104 +1,5 @@
 <?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"
+<androidx.recyclerview.widget.RecyclerView xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/extension_prefs_recycler"
     android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:orientation="vertical">
-
-    <TextView
-        android:id="@+id/extension_warning_banner"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:background="?attr/colorError"
-        android:gravity="center"
-        android:padding="16dp"
-        android:textColor="?attr/colorOnError"
-        android:visibility="gone"
-        tools:visibility="visible" />
-
-    <androidx.constraintlayout.widget.ConstraintLayout
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:background="?attr/colorPrimary"
-        android:elevation="2dp"
-        android:padding="16dp">
-
-        <ImageView
-            android:id="@+id/extension_icon"
-            android:layout_width="56dp"
-            android:layout_height="56dp"
-            android:src="@mipmap/ic_launcher"
-            app:layout_constraintBottom_toBottomOf="@id/extension_pkg"
-            app:layout_constraintStart_toStartOf="parent"
-            app:layout_constraintTop_toTopOf="parent"
-            tools:ignore="ContentDescription" />
-
-        <TextView
-            android:id="@+id/extension_title"
-            style="@style/TextAppearance.Regular.SubHeading"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:layout_marginStart="16dp"
-            android:elevation="3dp"
-            app:layout_constraintStart_toEndOf="@id/extension_icon"
-            app:layout_constraintTop_toTopOf="parent"
-            tools:text="Tachiyomi: Extension" />
-
-        <TextView
-            android:id="@+id/extension_version"
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            android:layout_gravity="center"
-            android:layout_weight="1"
-            android:elevation="3dp"
-            android:gravity="center"
-            app:layout_constraintStart_toStartOf="@id/extension_title"
-            app:layout_constraintTop_toBottomOf="@id/extension_title"
-            tools:text="Version: 1.0.0" />
-
-        <TextView
-            android:id="@+id/extension_lang"
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            android:layout_gravity="center"
-            android:layout_weight="1"
-            android:elevation="3dp"
-            android:gravity="center"
-            app:layout_constraintStart_toStartOf="@id/extension_title"
-            app:layout_constraintTop_toBottomOf="@id/extension_version"
-            tools:text="Language: English" />
-
-        <TextView
-            android:id="@+id/extension_pkg"
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            android:elevation="3dp"
-            android:ellipsize="middle"
-            android:singleLine="true"
-            app:layout_constraintEnd_toEndOf="parent"
-            app:layout_constraintStart_toStartOf="@id/extension_title"
-            app:layout_constraintTop_toBottomOf="@id/extension_lang"
-            tools:text="eu.kanade.tachiyomi.extension.en.myext" />
-
-        <Button
-            android:id="@+id/extension_uninstall_button"
-            style="@style/Theme.Widget.Button.FilledAccent"
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            android:layout_marginTop="32dp"
-            android:paddingStart="32dp"
-            android:paddingEnd="32dp"
-            android:text="@string/ext_uninstall"
-            app:layout_constraintEnd_toEndOf="parent"
-            app:layout_constraintTop_toBottomOf="@id/extension_lang" />
-
-    </androidx.constraintlayout.widget.ConstraintLayout>
-
-    <androidx.recyclerview.widget.RecyclerView
-        android:id="@+id/extension_prefs_recycler"
-        android:layout_width="match_parent"
-        android:layout_height="0dp"
-        android:layout_weight="1" />
-
-</LinearLayout>
+    android:layout_height="wrap_content" />

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

@@ -0,0 +1,98 @@
+<?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:orientation="vertical">
+
+    <TextView
+        android:id="@+id/extension_warning_banner"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:background="?attr/colorError"
+        android:gravity="center"
+        android:padding="16dp"
+        android:textColor="?attr/colorOnError"
+        android:visibility="gone"
+        tools:visibility="visible" />
+
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:background="?attr/colorPrimary"
+        android:elevation="2dp"
+        android:padding="16dp">
+
+        <ImageView
+            android:id="@+id/extension_icon"
+            android:layout_width="56dp"
+            android:layout_height="56dp"
+            android:src="@mipmap/ic_launcher"
+            app:layout_constraintBottom_toBottomOf="@id/extension_pkg"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent"
+            tools:ignore="ContentDescription" />
+
+        <TextView
+            android:id="@+id/extension_title"
+            style="@style/TextAppearance.Regular.SubHeading"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="16dp"
+            android:elevation="3dp"
+            app:layout_constraintStart_toEndOf="@id/extension_icon"
+            app:layout_constraintTop_toTopOf="parent"
+            tools:text="Tachiyomi: Extension" />
+
+        <TextView
+            android:id="@+id/extension_version"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center"
+            android:layout_weight="1"
+            android:elevation="3dp"
+            android:gravity="center"
+            app:layout_constraintStart_toStartOf="@id/extension_title"
+            app:layout_constraintTop_toBottomOf="@id/extension_title"
+            tools:text="Version: 1.0.0" />
+
+        <TextView
+            android:id="@+id/extension_lang"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center"
+            android:layout_weight="1"
+            android:elevation="3dp"
+            android:gravity="center"
+            app:layout_constraintStart_toStartOf="@id/extension_title"
+            app:layout_constraintTop_toBottomOf="@id/extension_version"
+            tools:text="Language: English" />
+
+        <TextView
+            android:id="@+id/extension_pkg"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:elevation="3dp"
+            android:ellipsize="middle"
+            android:singleLine="true"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="@id/extension_title"
+            app:layout_constraintTop_toBottomOf="@id/extension_lang"
+            tools:text="eu.kanade.tachiyomi.extension.en.myext" />
+
+        <Button
+            android:id="@+id/extension_uninstall_button"
+            style="@style/Theme.Widget.Button.FilledAccent"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="32dp"
+            android:paddingStart="32dp"
+            android:paddingEnd="32dp"
+            android:text="@string/ext_uninstall"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintTop_toBottomOf="@id/extension_lang" />
+
+    </androidx.constraintlayout.widget.ConstraintLayout>
+
+</LinearLayout>