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Fix webtoon page detection #1140

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This commit is contained in:
Koitharu
2024-10-21 10:16:54 +03:00
parent b6f57e5656
commit 985b062218
2 changed files with 13 additions and 11 deletions
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7
app/src/main/kotlin/org/koitharu/kotatsu/core/util/ext/RecyclerView.kt
View File

@@ -37,13 +37,6 @@ val RecyclerView.visibleItemCount: Int
findLastVisibleItemPosition() - findFirstVisibleItemPosition()
} ?: 0
fun RecyclerView.findCenterViewPosition(): Int {
val centerX = width / 2f
val centerY = height / 2f
val view = findChildViewUnder(centerX, centerY) ?: return RecyclerView.NO_POSITION
return getChildAdapterPosition(view)
}
fun <T> RecyclerView.ViewHolder.getItem(clazz: Class<T>): T? {
val rawItem = when (this) {
is AdapterDelegateViewBindingViewHolder<*, *> -> item

17
app/src/main/kotlin/org/koitharu/kotatsu/reader/ui/pager/webtoon/WebtoonReaderFragment.kt
View File

@@ -4,6 +4,7 @@ import android.os.Bundle
import android.view.LayoutInflater
import android.view.ViewGroup
import android.view.animation.DecelerateInterpolator
import androidx.recyclerview.widget.RecyclerView
import com.google.android.material.snackbar.Snackbar
import dagger.hilt.android.AndroidEntryPoint
import kotlinx.coroutines.coroutineScope
@@ -13,7 +14,6 @@ import kotlinx.coroutines.yield
import org.koitharu.kotatsu.R
import org.koitharu.kotatsu.core.os.NetworkState
import org.koitharu.kotatsu.core.ui.list.lifecycle.RecyclerViewLifecycleDispatcher
import org.koitharu.kotatsu.core.util.ext.findCenterViewPosition
import org.koitharu.kotatsu.core.util.ext.firstVisibleItemPosition
import org.koitharu.kotatsu.core.util.ext.observe
import org.koitharu.kotatsu.core.util.ext.removeItemDecoration
@@ -127,14 +127,13 @@ class WebtoonReaderFragment : BaseReaderFragment<FragmentReaderWebtoonBinding>()
}
override fun getCurrentState(): ReaderState? = viewBinding?.run {
val currentItem = recyclerView.findCenterViewPosition()
val currentItem = recyclerView.findCurrentPagePosition()
val adapter = recyclerView.adapter as? BaseReaderAdapter<*>
val page = adapter?.getItemOrNull(currentItem) ?: return@run null
ReaderState(
chapterId = page.chapterId,
page = page.index,
scroll = (recyclerView.findViewHolderForAdapterPosition(currentItem) as? WebtoonHolder)
?.getScrollY() ?: 0,
scroll = (recyclerView.findViewHolderForAdapterPosition(currentItem) as? WebtoonHolder)?.getScrollY() ?: 0,
)
}
@@ -168,4 +167,14 @@ class WebtoonReaderFragment : BaseReaderFragment<FragmentReaderWebtoonBinding>()
}
return true
}
private fun RecyclerView.findCurrentPagePosition(): Int {
val centerX = width / 2f
val centerY = height - resources.getDimension(R.dimen.webtoon_pages_gap)
if (centerY <= 0) {
return RecyclerView.NO_POSITION
}
val view = findChildViewUnder(centerX, centerY) ?: return RecyclerView.NO_POSITION
return getChildAdapterPosition(view)
}
}