Option to show page content past cutout in landscape

Closes #517

Before anyone gets ideas, the next person to ask for a feature every single day, I'm becoming a mod on the discord just to ban that person

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

@@ -114,6 +114,8 @@ class PreferencesHelper(val context: Context) {
 
     fun pagerCutoutBehavior() = flowPrefs.getInt(Keys.pagerCutoutBehavior, 0)
 
+    fun landscapeCutoutBehavior() = flowPrefs.getInt("landscape_cutout_behavior", 0)
+
     fun doubleTapAnimSpeed() = flowPrefs.getInt(Keys.doubleTapAnimationSpeed, 500)
 
     fun showPageNumber() = flowPrefs.getBoolean(Keys.showPageNumber, true)

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

@@ -55,6 +55,7 @@ import androidx.core.view.children
 import androidx.core.view.isInvisible
 import androidx.core.view.isVisible
 import androidx.core.view.updateLayoutParams
+import androidx.core.view.updatePadding
 import androidx.core.view.updatePaddingRelative
 import androidx.lifecycle.Lifecycle
 import androidx.lifecycle.lifecycleScope
@@ -295,7 +296,7 @@ class ReaderActivity : BaseActivity<ReaderActivityBinding>() {
         val a = obtainStyledAttributes(intArrayOf(android.R.attr.windowLightStatusBar))
         val lightStatusBar = a.getBoolean(0, false)
         a.recycle()
-        setNotchCutoutMode()
+        setCutoutMode()
 
         wic.isAppearanceLightStatusBars = lightStatusBar
         wic.isAppearanceLightNavigationBars = lightStatusBar
@@ -924,6 +925,9 @@ class ReaderActivity : BaseActivity<ReaderActivityBinding>() {
         binding.readerLayout.doOnApplyWindowInsetsCompat { _, insets, _ ->
             setNavColor(insets)
             val systemInsets = insets.ignoredSystemInsets
+            val currentOrientation = resources.configuration.orientation
+            val isLandscapeFully = currentOrientation == Configuration.ORIENTATION_LANDSCAPE && preferences.landscapeCutoutBehavior().get() == 1
+            val cutOutInsets = if (isLandscapeFully) insets.displayCutout else null
             val vis = insets.isVisible(statusBars())
             val fullscreen = preferences.fullscreen().get() && !isSplitScreen
             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
@@ -949,9 +953,21 @@ class ReaderActivity : BaseActivity<ReaderActivityBinding>() {
                 rightMargin = systemInsets.right
                 height = 280.dpToPx + systemInsets.bottom
             }
+            binding.toolbar.updateLayoutParams<ViewGroup.MarginLayoutParams> {
+                leftMargin = cutOutInsets?.safeInsetLeft ?: 0
+                rightMargin = cutOutInsets?.safeInsetRight ?: 0
+            }
+            binding.chaptersSheet.topbarLayout.updatePadding(
+                left = cutOutInsets?.safeInsetLeft ?: 0,
+                right = cutOutInsets?.safeInsetRight ?: 0,
+            )
+            binding.chaptersSheet.chapterRecycler.updatePadding(
+                left = cutOutInsets?.safeInsetLeft ?: 0,
+                right = cutOutInsets?.safeInsetRight ?: 0,
+            )
             binding.navLayout.updateLayoutParams<ViewGroup.MarginLayoutParams> {
-                leftMargin = 12.dpToPx + systemInsets.left
-                rightMargin = 12.dpToPx + systemInsets.right
+                leftMargin = 12.dpToPx + max(systemInsets.left, cutOutInsets?.safeInsetLeft ?: 0)
+                rightMargin = 12.dpToPx + max(systemInsets.right, cutOutInsets?.safeInsetRight ?: 0)
             }
             binding.chaptersSheet.root.sheetBehavior?.peekHeight =
                 peek + if (fullscreen) {
@@ -1779,14 +1795,18 @@ class ReaderActivity : BaseActivity<ReaderActivityBinding>() {
     /**
      * Sets notch cutout mode to "NEVER", if mobile is in a landscape view
      */
-    private fun setNotchCutoutMode() {
+    private fun setCutoutMode() {
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
             val currentOrientation = resources.configuration.orientation
 
             val params = window.attributes
             if (currentOrientation == Configuration.ORIENTATION_LANDSCAPE) {
                 params.layoutInDisplayCutoutMode =
+                    if (preferences.landscapeCutoutBehavior().get() == 0) {
                         WindowManager.LayoutParams.LAYOUT_IN_DISPLAY_CUTOUT_MODE_NEVER
+                    } else {
+                        WindowManager.LayoutParams.LAYOUT_IN_DISPLAY_CUTOUT_MODE_SHORT_EDGES
+                    }
             } else {
                 params.layoutInDisplayCutoutMode =
                     WindowManager.LayoutParams.LAYOUT_IN_DISPLAY_CUTOUT_MODE_SHORT_EDGES
@@ -1867,6 +1887,11 @@ class ReaderActivity : BaseActivity<ReaderActivityBinding>() {
 
             preferences.showPageNumber().asImmediateFlowIn(scope) { setPageNumberVisibility(it) }
 
+            preferences.landscapeCutoutBehavior().asFlow()
+                .drop(1)
+                .onEach { setCutoutMode() }
+                .launchIn(scope)
+
             preferences.trueColor().asImmediateFlowIn(scope) { setTrueColor(it) }
 
             preferences.fullscreen().asImmediateFlowIn(scope) { setFullscreen(it) }

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

@@ -2,7 +2,12 @@ package eu.kanade.tachiyomi.ui.reader.settings
 
 import android.app.Activity
 import android.content.Context
+import android.content.res.Configuration
+import android.hardware.display.DisplayManager
+import android.os.Build
 import android.util.AttributeSet
+import android.view.Display
+import androidx.core.content.getSystemService
 import androidx.core.view.isVisible
 import com.davemorrissey.labs.subscaleview.SubsamplingScaleImageView
 import eu.kanade.tachiyomi.R
@@ -15,6 +20,7 @@ import eu.kanade.tachiyomi.widget.BaseReaderSettingsView
 class ReaderPagedView @JvmOverloads constructor(context: Context, attrs: AttributeSet? = null) :
     BaseReaderSettingsView<ReaderPagedLayoutBinding>(context, attrs) {
 
+    var needsActivityRecreate = false
     override fun inflateBinding() = ReaderPagedLayoutBinding.bind(this)
     override fun initGeneralPreferences() {
         with(binding) {
@@ -32,6 +38,9 @@ class ReaderPagedView @JvmOverloads constructor(context: Context, attrs: Attribu
             pagerNav.bindToPreference(preferences.navigationModePager())
             pagerInvert.bindToPreference(preferences.pagerNavInverted())
             extendPastCutout.bindToPreference(preferences.pagerCutoutBehavior())
+            extendPastCutoutLandscape.bindToPreference(preferences.landscapeCutoutBehavior()) {
+                needsActivityRecreate = true
+            }
             pageLayout.bindToPreference(preferences.pageLayout()) {
                 val mangaViewer = (context as? ReaderActivity)?.viewModel?.getMangaReadingMode() ?: 0
                 val isWebtoonView = ReadingModeType.isWebtoonType(mangaViewer)
@@ -97,13 +106,28 @@ class ReaderPagedView @JvmOverloads constructor(context: Context, attrs: Attribu
             else -> false
         }
         val ogView = (context as? Activity)?.window?.decorView
-        val hasCutout = if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.P) {
+        val hasCutout = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
             ogView?.rootWindowInsets?.displayCutout?.safeInsetTop != null || ogView?.rootWindowInsets?.displayCutout?.safeInsetBottom != null
         } else {
             false
         }
+        val hasAnyCutout = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
+            context.getSystemService<DisplayManager>()
+                ?.getDisplay(Display.DEFAULT_DISPLAY)?.cutout != null
+        } else {
+            Build.VERSION.SDK_INT >= Build.VERSION_CODES.P
+        }
         binding.landscapeZoom.isVisible = show && preferences.imageScaleType().get() == SubsamplingScaleImageView.SCALE_TYPE_CENTER_INSIDE
         binding.extendPastCutout.isVisible = show && isFullFit && hasCutout && preferences.fullscreen().get()
+        binding.extendPastCutoutLandscape.isVisible = hasAnyCutout && preferences.fullscreen().get() &&
+            ogView?.resources?.configuration?.orientation == Configuration.ORIENTATION_LANDSCAPE
+        if (binding.extendPastCutoutLandscape.isVisible) {
+            binding.filterLinearLayout.removeView(binding.extendPastCutoutLandscape)
+            binding.filterLinearLayout.addView(
+                binding.extendPastCutoutLandscape,
+                binding.filterLinearLayout.indexOfChild(if (show) binding.extendPastCutout else binding.webtoonPageLayout) + 1,
+            )
+        }
         binding.invertDoublePages.isVisible = show && preferences.pageLayout().get() != PageLayout.SINGLE_PAGE.value
     }
 }

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

@@ -149,6 +149,9 @@ class TabbedReaderSettingsSheet(
     override fun dismiss() {
         super.dismiss()
         readerActivity.binding.appBar.isVisible = true
+        if (pagedView.needsActivityRecreate) {
+            readerActivity.recreate()
+        }
     }
 
     fun updateTabs(isWebtoon: Boolean) {

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

@@ -1,6 +1,9 @@
 package eu.kanade.tachiyomi.ui.setting
 
+import android.hardware.display.DisplayManager
 import android.os.Build
+import android.view.Display
+import androidx.core.content.getSystemService
 import androidx.preference.PreferenceScreen
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.data.preference.PreferenceValues
@@ -121,6 +124,22 @@ class SettingsReaderController : SettingsController() {
                 titleRes = R.string.show_page_number
                 defaultValue = true
             }
+            intListPreference(activity) {
+                bindTo(preferences.landscapeCutoutBehavior())
+                title = "${context.getString(R.string.cutout_area_behavior)} (${context.getString(R.string.landscape)})"
+                entriesRes = arrayOf(
+                    R.string.pad_cutout_areas,
+                    R.string.ignore_cutout_areas,
+                )
+                entryRange = 0..1
+                defaultValue = 0
+                isVisible = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
+                    activity?.getSystemService<DisplayManager>()
+                        ?.getDisplay(Display.DEFAULT_DISPLAY)?.cutout != null
+                } else {
+                    Build.VERSION.SDK_INT >= Build.VERSION_CODES.P
+                }
+            }
         }
 
         preferenceCategory {

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

@@ -9,6 +9,7 @@
     android:clipToPadding="false">
 
     <LinearLayout
+        android:id="@+id/filter_linear_layout"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:paddingStart="@dimen/material_component_dialogs_padding_around_content_area"
@@ -72,6 +73,14 @@
             app:title="@string/cutout_area_behavior"
             android:entries="@array/cutout_behavior" />
 
+        <eu.kanade.tachiyomi.widget.MaterialSpinnerView
+            android:id="@+id/extend_past_cutout_landscape"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="4dp"
+            app:title="@string/cutout_area_behavior"
+            android:entries="@array/cutout_behavior_landscape" />
+
         <eu.kanade.tachiyomi.widget.MaterialSpinnerView
             android:id="@+id/zoom_start"
             android:layout_width="match_parent"

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

@@ -140,6 +140,11 @@
         <item>@string/ignore_cutout_areas</item>
     </string-array>
 
+    <string-array name="cutout_behavior_landscape">
+        <item>@string/pad_cutout_areas</item>
+        <item>@string/ignore_cutout_areas</item>
+    </string-array>
+
     <string-array name="clean_up_downloads">
         <item>@string/clean_orphaned_downloads</item>
         <item>@string/clean_read_downloads</item>