Add crop borders shortcut

(cherry picked from commit d501c02f8b)

# Conflicts:
#	app/src/main/res/layout/reader_activity.xml

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

@@ -36,6 +36,10 @@ operator fun <T> Preference<Set<T>>.minusAssign(item: T) {
     set(get() - item)
 }
 
+fun Preference<Boolean>.toggle() {
+    set(!get())
+}
+
 class PreferencesHelper(val context: Context) {
 
     private val prefs = PreferenceManager.getDefaultSharedPreferences(context)

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

@@ -36,6 +36,7 @@ import eu.kanade.tachiyomi.data.notification.NotificationReceiver
 import eu.kanade.tachiyomi.data.notification.Notifications
 import eu.kanade.tachiyomi.data.preference.PreferencesHelper
 import eu.kanade.tachiyomi.data.preference.asImmediateFlow
+import eu.kanade.tachiyomi.data.preference.toggle
 import eu.kanade.tachiyomi.databinding.ReaderActivityBinding
 import eu.kanade.tachiyomi.source.SourceManager
 import eu.kanade.tachiyomi.source.model.Page
@@ -484,6 +485,19 @@ class ReaderActivity : BaseRxActivity<ReaderActivityBinding, ReaderPresenter>()
             .launchIn(lifecycleScope)
          */
 
+        with(binding.actionCropBorders) {
+            setTooltip(R.string.pref_crop_borders)
+
+            setOnClickListener {
+                val isPagerType = ReadingModeType.isPagerType(presenter.getMangaViewer())
+                if (isPagerType) {
+                    preferences.cropBorders().toggle()
+                } else {
+                    preferences.cropBordersWebtoon().toggle()
+                }
+            }
+        }
+
         with(binding.actionSettings) {
             setTooltip(R.string.action_settings)
 

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

@@ -21,5 +21,10 @@ enum class ReadingModeType(val prefValue: Int, @StringRes val stringRes: Int, @D
             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
+        }
     }
 }