From 67bb28d0276717ac4aabadd897598645096f63d8 Mon Sep 17 00:00:00 2001
From: aayush262 <aayushthakur262006@gmail.com>
Date: Thu, 25 Jan 2024 00:23:19 +0530
Subject: [PATCH] scroll to top

---
 .../dantotsu/media/anime/AnimeWatchFragment.kt | 17 +++++++++++++++++
 .../dantotsu/media/manga/MangaReadFragment.kt  | 17 +++++++++++++++++
 .../main/res/layout/fragment_anime_watch.xml   | 18 ++++++++++++++++++
 3 files changed, 52 insertions(+)

diff --git a/app/src/main/java/ani/dantotsu/media/anime/AnimeWatchFragment.kt b/app/src/main/java/ani/dantotsu/media/anime/AnimeWatchFragment.kt
index 487bf207..6a4954ad 100644
--- a/app/src/main/java/ani/dantotsu/media/anime/AnimeWatchFragment.kt
+++ b/app/src/main/java/ani/dantotsu/media/anime/AnimeWatchFragment.kt
@@ -25,6 +25,7 @@ import androidx.media3.common.util.UnstableApi
 import androidx.media3.exoplayer.offline.DownloadService
 import androidx.recyclerview.widget.ConcatAdapter
 import androidx.recyclerview.widget.GridLayoutManager
+import androidx.recyclerview.widget.RecyclerView
 import androidx.viewpager2.widget.ViewPager2
 import ani.dantotsu.*
 import ani.dantotsu.databinding.FragmentAnimeWatchBinding
@@ -144,6 +145,22 @@ class AnimeWatchFragment : Fragment() {
 
         binding.animeSourceRecycler.layoutManager = gridLayoutManager
 
+        binding.ScrollTop.setOnClickListener {
+            binding.animeSourceRecycler.scrollToPosition(10)
+            binding.animeSourceRecycler.smoothScrollToPosition(0)
+        }
+        binding.animeSourceRecycler.addOnScrollListener(object : RecyclerView.OnScrollListener() {
+            override fun onScrolled(recyclerView: RecyclerView, dx: Int, dy: Int) {
+                super.onScrolled(recyclerView, dx, dy)
+
+                val position = gridLayoutManager.findFirstVisibleItemPosition()
+                if (position > 2) {
+                    binding.ScrollTop.visibility = View.VISIBLE
+                } else {
+                    binding.ScrollTop.visibility = View.GONE
+                }
+            }
+        })
         model.scrolledToTop.observe(viewLifecycleOwner) {
             if (it) binding.animeSourceRecycler.scrollToPosition(0)
         }
diff --git a/app/src/main/java/ani/dantotsu/media/manga/MangaReadFragment.kt b/app/src/main/java/ani/dantotsu/media/manga/MangaReadFragment.kt
index 3153bb6a..f1e766ff 100644
--- a/app/src/main/java/ani/dantotsu/media/manga/MangaReadFragment.kt
+++ b/app/src/main/java/ani/dantotsu/media/manga/MangaReadFragment.kt
@@ -26,6 +26,7 @@ import androidx.fragment.app.activityViewModels
 import androidx.lifecycle.lifecycleScope
 import androidx.recyclerview.widget.ConcatAdapter
 import androidx.recyclerview.widget.GridLayoutManager
+import androidx.recyclerview.widget.RecyclerView
 import androidx.viewpager2.widget.ViewPager2
 import ani.dantotsu.*
 import ani.dantotsu.databinding.FragmentAnimeWatchBinding
@@ -139,6 +140,22 @@ open class MangaReadFragment : Fragment(), ScanlatorSelectionListener {
 
         binding.animeSourceRecycler.layoutManager = gridLayoutManager
 
+        binding.ScrollTop.setOnClickListener {
+            binding.animeSourceRecycler.scrollToPosition(10)
+            binding.animeSourceRecycler.smoothScrollToPosition(0)
+        }
+        binding.animeSourceRecycler.addOnScrollListener(object : RecyclerView.OnScrollListener() {
+            override fun onScrolled(recyclerView: RecyclerView, dx: Int, dy: Int) {
+                super.onScrolled(recyclerView, dx, dy)
+
+                val position = gridLayoutManager.findFirstVisibleItemPosition()
+                if (position > 2) {
+                    binding.ScrollTop.visibility = View.VISIBLE
+                } else {
+                    binding.ScrollTop.visibility = View.GONE
+                }
+            }
+        })
         model.scrolledToTop.observe(viewLifecycleOwner) {
             if (it) binding.animeSourceRecycler.scrollToPosition(0)
         }
diff --git a/app/src/main/res/layout/fragment_anime_watch.xml b/app/src/main/res/layout/fragment_anime_watch.xml
index 2a65e1ea..e4e2c9ea 100644
--- a/app/src/main/res/layout/fragment_anime_watch.xml
+++ b/app/src/main/res/layout/fragment_anime_watch.xml
@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     tools:context=".media.anime.AnimeWatchFragment">
@@ -40,5 +41,22 @@
         tools:itemCount="1"
         tools:listitem="@layout/item_anime_watch" />
 
+    <androidx.cardview.widget.CardView
+        android:id="@+id/ScrollTop"
+        android:layout_width="48dp"
+        android:layout_height="48dp"
+        android:layout_gravity="bottom|center_horizontal"
+        android:layout_marginBottom="16dp"
+        app:cardBackgroundColor="?android:colorBackground"
+        app:cardCornerRadius="24dp"
+        app:contentPadding="12dp">
 
+        <ImageView
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:rotation="90"
+            app:srcCompat="@drawable/ic_round_arrow_back_ios_new_24"
+            app:tint="?attr/colorOnSurface"
+            tools:ignore="ContentDescription" />
+    </androidx.cardview.widget.CardView>
 </FrameLayout>
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