From a25cb8f3ebdaf02a3de7fd13ee7fef678bcd1c42 Mon Sep 17 00:00:00 2001
From: Acclorite <140836141+Acclorite@users.noreply.github.com>
Date: Sat, 28 Dec 2024 15:39:57 +0200
Subject: [PATCH] =?UTF-8?q?=F0=9F=9B=A0=EF=B8=8F=20Fix=20checkpoint=20last?=
 =?UTF-8?q?s=20after=20hiding=20bottom=20bar=20in=20Reader?=
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---
 .../presentation/reader/ReaderBottomBar.kt          | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/app/src/main/java/ua/acclorite/book_story/presentation/reader/ReaderBottomBar.kt b/app/src/main/java/ua/acclorite/book_story/presentation/reader/ReaderBottomBar.kt
index c8bd1659..ae1f534d 100644
--- a/app/src/main/java/ua/acclorite/book_story/presentation/reader/ReaderBottomBar.kt
+++ b/app/src/main/java/ua/acclorite/book_story/presentation/reader/ReaderBottomBar.kt
@@ -19,7 +19,6 @@ import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.derivedStateOf
-import androidx.compose.runtime.getValue
 import androidx.compose.runtime.remember
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
@@ -69,7 +68,7 @@ fun ReaderBottomBar(
         }
     }
 
-    val arrowDirection by remember {
+    val arrowDirection = remember(checkpoint.index, listState.firstVisibleItemIndex) {
         derivedStateOf {
             val checkpointIndex = checkpoint.index
             val index = listState.firstVisibleItemIndex
@@ -81,7 +80,7 @@ fun ReaderBottomBar(
             }
         }
     }
-    val checkpointProgress by remember {
+    val checkpointProgress = remember(checkpoint.index, text.lastIndex) {
         derivedStateOf {
             (checkpoint.index / text.lastIndex.toFloat()) * 0.987f
         }
@@ -109,7 +108,7 @@ fun ReaderBottomBar(
 
         Row(verticalAlignment = Alignment.CenterVertically) {
             HorizontalExpandingTransition(
-                visible = arrowDirection == Direction.START,
+                visible = arrowDirection.value == Direction.START,
                 startDirection = true
             ) {
                 IconButton(
@@ -135,13 +134,13 @@ fun ReaderBottomBar(
                     changeProgress = changeProgress
                 )
 
-                if (arrowDirection != Direction.NEUTRAL) {
-                    ReaderBottomBarSliderIndicator(progress = checkpointProgress)
+                if (arrowDirection.value != Direction.NEUTRAL) {
+                    ReaderBottomBarSliderIndicator(progress = checkpointProgress.value)
                 }
             }
 
             HorizontalExpandingTransition(
-                visible = arrowDirection == Direction.END,
+                visible = arrowDirection.value == Direction.END,
                 startDirection = false
             ) {
                 IconButton(