Add ability to tweak auto hide sensitivity in Webtoon Reader (#5650)

* Tweak threshold

* Put setting under Webtoon instead

Because it only affects Webtoon related viewers

app/src/main/java/eu/kanade/tachiyomi/data/preference/PreferenceKeys.kt

@@ -87,6 +87,8 @@ object PreferenceKeys {
 
     const val showNavigationOverlayOnStart = "reader_navigation_overlay_on_start"
 
+    const val readerHideThreshold = "reader_hide_threshold"
+
     const val webtoonSidePadding = "webtoon_side_padding"
 
     const val portraitColumns = "pref_library_columns_portrait_key"

app/src/main/java/eu/kanade/tachiyomi/data/preference/PreferenceValues.kt

@@ -43,4 +43,11 @@ object PreferenceValues {
         VERTICAL(shouldInvertVertical = true),
         BOTH(shouldInvertHorizontal = true, shouldInvertVertical = true),
     }
+
+    enum class ReaderHideThreshold(val threshold: Int) {
+        HIGHEST(5),
+        HIGH(13),
+        LOW(31),
+        LOWEST(47)
+    }
 }

app/src/main/java/eu/kanade/tachiyomi/data/preference/PreferencesHelper.kt

@@ -167,6 +167,8 @@ class PreferencesHelper(val context: Context) {
 
     fun showNavigationOverlayOnStart() = flowPrefs.getBoolean(Keys.showNavigationOverlayOnStart, false)
 
+    fun readerHideTreshold() = flowPrefs.getEnum(Keys.readerHideThreshold, Values.ReaderHideThreshold.LOW)
+
     fun portraitColumns() = flowPrefs.getInt(Keys.portraitColumns, 0)
 
     fun landscapeColumns() = flowPrefs.getInt(Keys.landscapeColumns, 0)

app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/webtoon/WebtoonViewer.kt

@@ -10,6 +10,7 @@ import androidx.core.view.isGone
 import androidx.core.view.isVisible
 import androidx.recyclerview.widget.RecyclerView
 import androidx.recyclerview.widget.WebtoonLayoutManager
+import eu.kanade.tachiyomi.data.preference.PreferencesHelper
 import eu.kanade.tachiyomi.ui.reader.ReaderActivity
 import eu.kanade.tachiyomi.ui.reader.model.ChapterTransition
 import eu.kanade.tachiyomi.ui.reader.model.ReaderPage
@@ -20,6 +21,8 @@ import kotlinx.coroutines.MainScope
 import kotlinx.coroutines.cancel
 import rx.subscriptions.CompositeSubscription
 import timber.log.Timber
+import uy.kohesive.injekt.Injekt
+import uy.kohesive.injekt.api.get
 import kotlin.math.max
 import kotlin.math.min
 
@@ -70,6 +73,12 @@ class WebtoonViewer(val activity: ReaderActivity, val isContinuous: Boolean = tr
      */
     val subscriptions = CompositeSubscription()
 
+    private val threshold: Int =
+        Injekt.get<PreferencesHelper>()
+            .readerHideTreshold()
+            .get()
+            .threshold
+
     init {
         recycler.isVisible = false // Don't let the recycler layout yet
         recycler.layoutParams = ViewGroup.LayoutParams(MATCH_PARENT, MATCH_PARENT)
@@ -81,7 +90,7 @@ class WebtoonViewer(val activity: ReaderActivity, val isContinuous: Boolean = tr
                 override fun onScrolled(recyclerView: RecyclerView, dx: Int, dy: Int) {
                     onScrolled()
 
-                    if ((dy > 37 || dy < -37) && activity.menuVisible) {
+                    if ((dy > threshold || dy < -threshold) && activity.menuVisible) {
                         activity.hideMenu()
                     }
 

app/src/main/java/eu/kanade/tachiyomi/ui/setting/SettingsReaderController.kt

@@ -3,6 +3,7 @@ package eu.kanade.tachiyomi.ui.setting
 import android.os.Build
 import androidx.preference.PreferenceScreen
 import eu.kanade.tachiyomi.R
+import eu.kanade.tachiyomi.data.preference.PreferenceValues
 import eu.kanade.tachiyomi.data.preference.PreferenceValues.TappingInvertMode
 import eu.kanade.tachiyomi.data.preference.asImmediateFlow
 import eu.kanade.tachiyomi.ui.reader.setting.OrientationType
@@ -274,6 +275,21 @@ class SettingsReaderController : SettingsController() {
                 defaultValue = "0"
                 summary = "%s"
             }
+            listPreference {
+                key = Keys.readerHideThreshold
+                titleRes = R.string.pref_hide_threshold
+                entriesRes = arrayOf(
+                    R.string.pref_highest,
+                    R.string.pref_high,
+                    R.string.pref_low,
+                    R.string.pref_lowest
+                )
+                entryValues = PreferenceValues.ReaderHideThreshold.values()
+                    .map { it.name }
+                    .toTypedArray()
+                defaultValue = "${PreferenceValues.ReaderHideThreshold.LOW}"
+                summary = "%s"
+            }
             switchPreference {
                 key = Keys.cropBordersWebtoon
                 titleRes = R.string.pref_crop_borders

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

@@ -358,6 +358,11 @@
     <string name="webtoon_side_padding_15">15%</string>
     <string name="webtoon_side_padding_20">20%</string>
     <string name="webtoon_side_padding_25">25%</string>
+    <string name="pref_hide_threshold">Auto hide menu on scroll sensitivity</string>
+    <string name="pref_highest">Highest</string>
+    <string name="pref_high">High</string>
+    <string name="pref_low">Low</string>
+    <string name="pref_lowest">Lowest</string>
 
       <!-- Downloads section -->
     <string name="pref_download_directory">Download location</string>