Fix reader tap zones triggering after scrolling was stopped by the user (#2518)

Co-authored-by: AntsyLich <59261191+AntsyLich@users.noreply.github.com>

app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/webtoon/WebtoonRecyclerView.kt

@@ -2,6 +2,7 @@ package eu.kanade.tachiyomi.ui.reader.viewer.webtoon
 
 import android.animation.AnimatorSet
 import android.animation.ValueAnimator
+import android.annotation.SuppressLint
 import android.content.Context
 import android.util.AttributeSet
 import android.view.HapticFeedbackConstants
@@ -34,6 +35,10 @@ class WebtoonRecyclerView @JvmOverloads constructor(
     private var firstVisibleItemPosition = 0
     private var lastVisibleItemPosition = 0
     private var currentScale = DEFAULT_RATE
+
+    private var isScrolling = false
+    private var hasTappedWhileScrolling = false
+
     var zoomOutDisabled = false
         set(value) {
             field = value
@@ -62,7 +67,11 @@ class WebtoonRecyclerView @JvmOverloads constructor(
         super.onMeasure(widthSpec, heightSpec)
     }
 
+    @SuppressLint("ClickableViewAccessibility")
     override fun onTouchEvent(e: MotionEvent): Boolean {
+        if (e.actionMasked == MotionEvent.ACTION_DOWN) {
+            hasTappedWhileScrolling = isScrolling
+        }
         detector.onTouchEvent(e)
         return super.onTouchEvent(e)
     }
@@ -82,6 +91,7 @@ class WebtoonRecyclerView @JvmOverloads constructor(
         val totalItemCount = layoutManager?.itemCount ?: 0
         atLastPosition = visibleItemCount > 0 && lastVisibleItemPosition == totalItemCount - 1
         atFirstPosition = firstVisibleItemPosition == 0
+        isScrolling = state != SCROLL_STATE_IDLE
     }
 
     private fun getPositionX(positionX: Float): Float {
@@ -215,7 +225,9 @@ class WebtoonRecyclerView @JvmOverloads constructor(
     inner class GestureListener : GestureDetectorWithLongTap.Listener() {
 
         override fun onSingleTapConfirmed(ev: MotionEvent): Boolean {
-            tapListener?.invoke(ev)
+            if (!hasTappedWhileScrolling) {
+                tapListener?.invoke(ev)
+            }
             return false
         }