diff --git a/app/src/main/java/eu/kanade/tachiyomi/widget/MaterialFastScroll.kt b/app/src/main/java/eu/kanade/tachiyomi/widget/MaterialFastScroll.kt index 60549d302..671300d9e 100644 --- a/app/src/main/java/eu/kanade/tachiyomi/widget/MaterialFastScroll.kt +++ b/app/src/main/java/eu/kanade/tachiyomi/widget/MaterialFastScroll.kt @@ -1,11 +1,14 @@ package eu.kanade.tachiyomi.widget +import android.annotation.SuppressLint import android.content.Context import android.util.AttributeSet import android.view.MotionEvent +import androidx.core.view.ViewCompat import eu.davidea.fastscroller.FastScroller import eu.kanade.tachiyomi.R import eu.kanade.tachiyomi.util.system.dpToPxEnd +import eu.kanade.tachiyomi.util.system.isLTR class MaterialFastScroll @JvmOverloads constructor(context: Context, attrs: AttributeSet? = null) : FastScroller(context, attrs) { @@ -14,14 +17,59 @@ class MaterialFastScroll @JvmOverloads constructor(context: Context, attrs: Attr setViewsToUse( R.layout.material_fastscroll, R.id.fast_scroller_bubble, - R.id.fast_scroller_handle + R.id.fast_scroller_handle, ) autoHideEnabled = true ignoreTouchesOutsideHandle = true } + // Overridden to handle RTL + @SuppressLint("ClickableViewAccessibility") override fun onTouchEvent(event: MotionEvent): Boolean { - if (isHidden) return false + if (recyclerView.computeVerticalScrollRange() <= recyclerView.computeVerticalScrollExtent()) { + return super.onTouchEvent(event) + } + + when (event.action) { + MotionEvent.ACTION_DOWN -> { + // start: handle RTL differently + if ( + if (context.resources.isLTR) { + event.x < handle.x - ViewCompat.getPaddingStart(handle) + } else { + event.x > handle.width + ViewCompat.getPaddingStart(handle) + } + ) return false + // end + + if (ignoreTouchesOutsideHandle && + (event.y < handle.y || event.y > handle.y + handle.height) + ) { + return false + } + handle.isSelected = true + notifyScrollStateChange(true) + showBubble() + showScrollbar() + val y = event.y + setBubbleAndHandlePosition(y) + setRecyclerViewPosition(y) + return true + } + MotionEvent.ACTION_MOVE -> { + val y = event.y + setBubbleAndHandlePosition(y) + setRecyclerViewPosition(y) + return true + } + MotionEvent.ACTION_UP, MotionEvent.ACTION_CANCEL -> { + handle.isSelected = false + notifyScrollStateChange(false) + hideBubble() + if (autoHideEnabled) hideScrollbar() + return true + } + } return super.onTouchEvent(event) }