Viewer navigation (#3869)

* Viewer navigation

Co-authored-by: Harsh Parekh <h.x.dev@outlook.com>

* Match current reader behavior and add ability to invert it

* A bit of clean up

* Clean up inversion

* Only create navigator when changed

and change tap zone when invertTapping is changed

* Clean up PagerConfig

* Change how Viewer navigation works

* Add Edge Navigation

Co-authored-by: Harsh Parekh <h.x.dev@outlook.com>

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

@@ -65,6 +65,10 @@ object PreferenceKeys {
 
     const val readWithVolumeKeysInverted = "reader_volume_keys_inverted"
 
+    const val navigationModePager = "reader_navigation_mode_pager"
+
+    const val navigationModeWebtoon = "reader_navigation_mode_webtoon"
+
     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

@@ -31,10 +31,10 @@ object PreferenceValues {
         LIST,
     }
 
-    enum class TappingInvertMode {
+    enum class TappingInvertMode(val shouldInvertHorizontal: Boolean = false, val shouldInvertVertical: Boolean = false) {
         NONE,
-        HORIZONTAL,
-        VERTICAL,
-        BOTH
+        HORIZONTAL(shouldInvertHorizontal = true),
+        VERTICAL(shouldInvertVertical = true),
+        BOTH(shouldInvertHorizontal = true, shouldInvertVertical = true)
     }
 }

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

@@ -138,6 +138,10 @@ class PreferencesHelper(val context: Context) {
 
     fun readWithVolumeKeysInverted() = flowPrefs.getBoolean(Keys.readWithVolumeKeysInverted, false)
 
+    fun navigationModePager() = flowPrefs.getInt(Keys.navigationModePager, 0)
+
+    fun navigationModeWebtoon() = flowPrefs.getInt(Keys.navigationModeWebtoon, 0)
+
     fun portraitColumns() = flowPrefs.getInt(Keys.portraitColumns, 0)
 
     fun landscapeColumns() = flowPrefs.getInt(Keys.landscapeColumns, 0)