Use popup menus for reader shortcuts instead of toggling through

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

@@ -58,6 +58,7 @@ import eu.kanade.tachiyomi.util.system.toast
 import eu.kanade.tachiyomi.util.view.defaultBar
 import eu.kanade.tachiyomi.util.view.hideBar
 import eu.kanade.tachiyomi.util.view.isDefaultBar
+import eu.kanade.tachiyomi.util.view.popupMenu
 import eu.kanade.tachiyomi.util.view.setTooltip
 import eu.kanade.tachiyomi.util.view.showBar
 import eu.kanade.tachiyomi.widget.SimpleAnimationListener
@@ -356,13 +357,18 @@ class ReaderActivity : BaseRxActivity<ReaderActivityBinding, ReaderPresenter>()
             setTooltip(R.string.viewer)
 
             setOnClickListener {
-                val newReadingMode =
-                    ReadingModeType.getNextReadingMode(presenter.getMangaViewer(resolveDefault = false))
-                presenter.setMangaViewer(newReadingMode.prefValue)
+                popupMenu(
+                    items = ReadingModeType.values().map { it.prefValue to it.stringRes },
+                    selectedItemId = presenter.getMangaViewer(resolveDefault = false),
+                ) {
+                    val newReadingMode = ReadingModeType.fromPreference(itemId)
 
-                menuToggleToast?.cancel()
-                if (!preferences.showReadingMode()) {
-                    menuToggleToast = toast(newReadingMode.stringRes)
+                    presenter.setMangaViewer(newReadingMode.prefValue)
+
+                    menuToggleToast?.cancel()
+                    if (!preferences.showReadingMode()) {
+                        menuToggleToast = toast(newReadingMode.stringRes)
+                    }
                 }
             }
         }
@@ -372,13 +378,18 @@ class ReaderActivity : BaseRxActivity<ReaderActivityBinding, ReaderPresenter>()
             setTooltip(R.string.pref_rotation_type)
 
             setOnClickListener {
-                val newOrientation = OrientationType.getNextOrientation(preferences.rotation().get())
+                popupMenu(
+                    items = OrientationType.values().map { it.prefValue to it.stringRes },
+                    selectedItemId = preferences.rotation().get(),
+                ) {
+                    val newOrientation = OrientationType.fromPreference(itemId)
 
-                preferences.rotation().set(newOrientation.prefValue)
-                setOrientation(newOrientation.flag)
+                    preferences.rotation().set(newOrientation.prefValue)
+                    setOrientation(newOrientation.flag)
 
-                menuToggleToast?.cancel()
-                menuToggleToast = toast(newOrientation.stringRes)
+                    menuToggleToast?.cancel()
+                    menuToggleToast = toast(newOrientation.stringRes)
+                }
             }
         }
         preferences.rotation().asImmediateFlow { updateRotationShortcut(it) }

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

@@ -4,7 +4,6 @@ import android.content.pm.ActivityInfo
 import androidx.annotation.DrawableRes
 import androidx.annotation.StringRes
 import eu.kanade.tachiyomi.R
-import eu.kanade.tachiyomi.util.lang.next
 
 enum class OrientationType(val prefValue: Int, val flag: Int, @StringRes val stringRes: Int, @DrawableRes val iconRes: Int) {
     FREE(1, ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED, R.string.rotation_free, R.drawable.ic_screen_rotation_24dp),
@@ -17,10 +16,5 @@ enum class OrientationType(val prefValue: Int, val flag: Int, @StringRes val str
     companion object {
         fun fromPreference(preference: Int): OrientationType =
             values().find { it.prefValue == preference } ?: FREE
-
-        fun getNextOrientation(preference: Int): OrientationType {
-            val current = fromPreference(preference)
-            return current.next()
-        }
     }
 }

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

@@ -3,7 +3,6 @@ package eu.kanade.tachiyomi.ui.reader.setting
 import androidx.annotation.DrawableRes
 import androidx.annotation.StringRes
 import eu.kanade.tachiyomi.R
-import eu.kanade.tachiyomi.util.lang.next
 
 enum class ReadingModeType(val prefValue: Int, @StringRes val stringRes: Int, @DrawableRes val iconRes: Int) {
     DEFAULT(0, R.string.default_viewer, R.drawable.ic_reader_default_24dp),
@@ -17,11 +16,6 @@ enum class ReadingModeType(val prefValue: Int, @StringRes val stringRes: Int, @D
     companion object {
         fun fromPreference(preference: Int): ReadingModeType = values().find { it.prefValue == preference } ?: DEFAULT
 
-        fun getNextReadingMode(preference: Int): ReadingModeType {
-            val current = fromPreference(preference)
-            return current.next()
-        }
-
         fun isPagerType(preference: Int): Boolean {
             val mode = fromPreference(preference)
             return mode == LEFT_TO_RIGHT || mode == RIGHT_TO_LEFT || mode == VERTICAL