Hide cutout option when appropriate in reader settings sheet (closes #2982)

app/src/main/java/eu/kanade/tachiyomi/ui/reader/ReaderActivity.kt

@@ -46,6 +46,7 @@ import eu.kanade.tachiyomi.ui.reader.viewer.pager.VerticalPagerViewer
 import eu.kanade.tachiyomi.ui.reader.viewer.webtoon.WebtoonViewer
 import eu.kanade.tachiyomi.util.storage.getUriCompat
 import eu.kanade.tachiyomi.util.system.GLUtil
+import eu.kanade.tachiyomi.util.system.hasDisplayCutout
 import eu.kanade.tachiyomi.util.system.toast
 import eu.kanade.tachiyomi.util.view.defaultBar
 import eu.kanade.tachiyomi.util.view.hideBar
@@ -56,6 +57,7 @@ import eu.kanade.tachiyomi.widget.SimpleAnimationListener
 import eu.kanade.tachiyomi.widget.SimpleSeekBarListener
 import java.io.File
 import kotlin.math.abs
+import kotlinx.coroutines.FlowPreview
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.flow.drop
 import kotlinx.coroutines.flow.launchIn
@@ -79,6 +81,8 @@ class ReaderActivity : BaseRxActivity<ReaderActivityBinding, ReaderPresenter>()
      */
     val maxBitmapSize by lazy { GLUtil.maxTextureSize }
 
+    val hasCutout by lazy { hasDisplayCutout() }
+
     /**
      * Viewer used to display the pages (pager, webtoon, ...).
      */
@@ -625,6 +629,7 @@ class ReaderActivity : BaseRxActivity<ReaderActivityBinding, ReaderPresenter>()
     /**
      * Class that handles the user preferences of the reader.
      */
+    @FlowPreview
     private inner class ReaderConfig {
 
         /**
@@ -652,11 +657,9 @@ class ReaderActivity : BaseRxActivity<ReaderActivityBinding, ReaderPresenter>()
                 .onEach { setTrueColor(it) }
                 .launchIn(scope)
 
-            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
+            preferences.cutoutShort().asFlow()
-                preferences.cutoutShort().asFlow()
+                .onEach { setCutoutShort(it) }
-                    .onEach { setCutoutShort(it) }
+                .launchIn(scope)
-                    .launchIn(scope)
-            }
 
             preferences.keepScreenOn().asFlow()
                 .onEach { setKeepScreenOn(it) }
@@ -726,6 +729,9 @@ class ReaderActivity : BaseRxActivity<ReaderActivityBinding, ReaderPresenter>()
                 true -> WindowManager.LayoutParams.LAYOUT_IN_DISPLAY_CUTOUT_MODE_SHORT_EDGES
                 false -> WindowManager.LayoutParams.LAYOUT_IN_DISPLAY_CUTOUT_MODE_NEVER
             }
+
+            // Trigger relayout
+            setMenuVisibility(menuVisible)
         }
 
         /**
@@ -742,6 +748,7 @@ class ReaderActivity : BaseRxActivity<ReaderActivityBinding, ReaderPresenter>()
         /**
          * Sets the custom brightness overlay according to [enabled].
          */
+        @FlowPreview
         private fun setCustomBrightness(enabled: Boolean) {
             if (enabled) {
                 preferences.customBrightnessValue().asFlow()
@@ -756,6 +763,7 @@ class ReaderActivity : BaseRxActivity<ReaderActivityBinding, ReaderPresenter>()
         /**
          * Sets the color filter overlay according to [enabled].
          */
+        @FlowPreview
         private fun setColorFilter(enabled: Boolean) {
             if (enabled) {
                 preferences.colorFilterValue().asFlow()

app/src/main/java/eu/kanade/tachiyomi/ui/reader/ReaderSettingsSheet.kt

@@ -67,12 +67,17 @@ class ReaderSettingsSheet(private val activity: ReaderActivity) : BottomSheetDia
         binding.backgroundColor.bindToIntPreference(preferences.readerTheme(), R.array.reader_themes_values)
         binding.showPageNumber.bindToPreference(preferences.showPageNumber())
         binding.fullscreen.bindToPreference(preferences.fullscreen())
-        binding.cutoutShort.bindToPreference(preferences.cutoutShort())
         binding.keepscreen.bindToPreference(preferences.keepScreenOn())
         binding.longTap.bindToPreference(preferences.readWithLongTap())
         binding.alwaysShowChapterTransition.bindToPreference(preferences.alwaysShowChapterTransition())
         binding.cropBorders.bindToPreference(preferences.cropBorders())
         binding.pageTransitions.bindToPreference(preferences.pageTransitions())
+
+        // If the preference is explicitly disabled, that means the setting was configured since there is a cutout
+        if (activity.hasCutout || !preferences.cutoutShort().get()) {
+            binding.cutoutShort.isVisible = true
+            binding.cutoutShort.bindToPreference(preferences.cutoutShort())
+        }
     }
 
     /**

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

@@ -164,7 +164,9 @@
         android:layout_height="wrap_content"
         android:text="@string/pref_cutout_short"
         android:textColor="?android:attr/textColorSecondary"
-        app:layout_constraintTop_toBottomOf="@id/fullscreen" />
+        android:visibility="gone"
+        app:layout_constraintTop_toBottomOf="@id/fullscreen"
+        tools:visibility="visible" />
 
     <com.google.android.material.switchmaterial.SwitchMaterial
         android:id="@+id/keepscreen"