🚀 Hide Bars On Fast Scroll option

* Added "Hide bars on fast scroll" option in Reader
* If true, hides bars during fast scroll

app/src/main/java/ua/acclorite/book_story/presentation/core/constants/DataStoreConstants.kt

@@ -33,6 +33,7 @@ object DataStoreConstants {
     val CUTOUT_PADDING = booleanPreferencesKey("cutout_padding")
     val FULLSCREEN = booleanPreferencesKey("fullscreen")
     val KEEP_SCREEN_ON = booleanPreferencesKey("keep_screen_on")
+    val HIDE_BARS_ON_FAST_SCROLL = booleanPreferencesKey("hide_bars_on_fast_scroll")
 
     // Browse settings
     val BROWSE_FILES_STRUCTURE = stringPreferencesKey("browse_files_structure")

app/src/main/java/ua/acclorite/book_story/presentation/data/MainEvent.kt

@@ -36,4 +36,5 @@ sealed class MainEvent {
     data class OnChangeFullscreen(val bool: Boolean) : MainEvent()
     data class OnChangeKeepScreenOn(val bool: Boolean) : MainEvent()
     data class OnChangeVerticalPadding(val padding: Int) : MainEvent()
+    data class OnChangeHideBarsOnFastScroll(val bool: Boolean) : MainEvent()
 }

app/src/main/java/ua/acclorite/book_story/presentation/data/MainState.kt

@@ -73,6 +73,7 @@ data class MainState(
     val cutoutPadding: Boolean = provideDefaultValue { false },
     val fullscreen: Boolean = provideDefaultValue { true },
     val keepScreenOn: Boolean = provideDefaultValue { true },
+    val hideBarsOnFastScroll: Boolean = provideDefaultValue { true },
 
     // Browse Settings
     val browseFilesStructure: BrowseFilesStructure = provideDefaultValue {
@@ -234,6 +235,10 @@ data class MainState(
                     verticalPadding = provideValue(
                         VERTICAL_PADDING
                     ) { verticalPadding },
+
+                    hideBarsOnFastScroll = provideValue(
+                        HIDE_BARS_ON_FAST_SCROLL
+                    ) { hideBarsOnFastScroll },
                 )
             }
         }

app/src/main/java/ua/acclorite/book_story/presentation/data/MainViewModel.kt

@@ -443,6 +443,20 @@ class MainViewModel @Inject constructor(
                     }
                 }
             }
+
+            is MainEvent.OnChangeHideBarsOnFastScroll -> {
+                viewModelScope.launch(Dispatchers.IO) {
+                    setDatastore.execute(
+                        DataStoreConstants.HIDE_BARS_ON_FAST_SCROLL,
+                        event.bool
+                    )
+                    updateStateWithSavedHandle {
+                        it.copy(
+                            hideBarsOnFastScroll = event.bool
+                        )
+                    }
+                }
+            }
         }
     }
 

app/src/main/java/ua/acclorite/book_story/presentation/screens/reader/ReaderScreen.kt

@@ -191,17 +191,20 @@ private fun ReaderScreen(lazyListState: LazyListState) {
                 available: Offset,
                 source: NestedScrollSource
             ): Offset {
-                val velocity = consumed.y
+                consumed.y.let { velocity ->
+                    if(velocity in -70f..70f) return@let
+                    if(!state.value.showMenu) return@let
+                    if(state.value.lockMenu) return@let
+                    if(!mainState.value.hideBarsOnFastScroll) return@let
 
-                if ((velocity > 70 || velocity < -70) && state.value.showMenu && !state.value.lockMenu) {
                     onEvent(
                         ReaderEvent.OnShowHideMenu(
+                            show = false,
                             fullscreenMode = mainState.value.fullscreen,
                             activity = context
                         )
                     )
                 }
-
                 return super.onPostScroll(consumed, available, source)
             }
         }

app/src/main/java/ua/acclorite/book_story/presentation/screens/settings/nested/reader/components/settings/HideBarsOnFastScrollSetting.kt

@@ -0,0 +1,27 @@
+package ua.acclorite.book_story.presentation.screens.settings.nested.reader.components.settings
+
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.res.stringResource
+import ua.acclorite.book_story.R
+import ua.acclorite.book_story.presentation.core.components.LocalMainViewModel
+import ua.acclorite.book_story.presentation.data.MainEvent
+import ua.acclorite.book_story.presentation.screens.settings.components.SwitchWithTitle
+
+/**
+ * Hide Bars On Fast Scroll setting.
+ * If true, hides bars during fast scroll.
+ */
+@Composable
+fun HideBarsOnFastScrollSetting() {
+    val state = LocalMainViewModel.current.state
+    val onMainEvent = LocalMainViewModel.current.onEvent
+
+    SwitchWithTitle(
+        selected = state.value.hideBarsOnFastScroll,
+        title = stringResource(id = R.string.hide_bars_on_fast_scroll_option)
+    ) {
+        onMainEvent(
+            MainEvent.OnChangeHideBarsOnFastScroll(!state.value.hideBarsOnFastScroll)
+        )
+    }
+}

app/src/main/java/ua/acclorite/book_story/presentation/screens/settings/nested/reader/components/settings/KeepScreenOnSetting.kt

@@ -19,7 +19,6 @@ fun KeepScreenOnSetting() {
     SwitchWithTitle(
         selected = state.value.keepScreenOn,
         title = stringResource(id = R.string.keep_screen_on_option),
-        description = stringResource(id = R.string.keep_screen_on_option_desc),
         onClick = {
             onMainEvent(
                 MainEvent.OnChangeKeepScreenOn(

app/src/main/java/ua/acclorite/book_story/presentation/screens/settings/nested/reader/components/subcategories/MiscSubcategory.kt

@@ -11,6 +11,7 @@ import androidx.compose.ui.unit.Dp
 import ua.acclorite.book_story.R
 import ua.acclorite.book_story.presentation.screens.settings.components.SettingsSubcategory
 import ua.acclorite.book_story.presentation.screens.settings.nested.reader.components.settings.FullscreenSetting
+import ua.acclorite.book_story.presentation.screens.settings.nested.reader.components.settings.HideBarsOnFastScrollSetting
 import ua.acclorite.book_story.presentation.screens.settings.nested.reader.components.settings.KeepScreenOnSetting
 
 /**
@@ -40,5 +41,9 @@ fun LazyListScope.MiscSubcategory(
         item {
             KeepScreenOnSetting()
         }
+
+        item {
+            HideBarsOnFastScrollSetting()
+        }
     }
 }

app/src/main/res/values-uk/strings.xml

@@ -242,7 +242,7 @@
     <string name="fullscreen_option">Повний екран</string>
     <string name="fullscreen_option_desc">Сховати системні панелі та прибрати відступи</string>
     <string name="keep_screen_on_option">Тримати екран увімкненим</string>
-    <string name="keep_screen_on_option_desc">Тримати екран увімкненим нескінченно</string>
+    <string name="hide_bars_on_fast_scroll_option">Ховати панелі при швидкому прокручуванні</string>
 
     <!-- Browse -->
     <string name="browse_files_structure_option">Структура файлів</string>

app/src/main/res/values/strings.xml

@@ -259,7 +259,7 @@
     <string name="fullscreen_option">Fullscreen</string>
     <string name="fullscreen_option_desc">Hide system bars and remove padding</string>
     <string name="keep_screen_on_option">Keep screen on</string>
-    <string name="keep_screen_on_option_desc">Keep screen awake infinitely</string>
+    <string name="hide_bars_on_fast_scroll_option">Hide bars on fast scroll</string>
 
     <!-- Browse -->
     <string name="browse_files_structure_option">Files structure</string>