prifak/Kotatsu
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Avoid unnecessary child layout in webtoon recycler

Browse Source
This commit is contained in:
ViAnh
2023-08-23 16:30:41 +07:00
committed by Koitharu
parent 50d4c41855
commit b7f09243aa
2 changed files with 21 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
app/src/main/kotlin/org/koitharu/kotatsu/reader/ui/pager/webtoon/WebtoonRecyclerView.kt
View File

@@ -2,6 +2,7 @@ package org.koitharu.kotatsu.reader.ui.pager.webtoon
import android.content.Context
import android.util.AttributeSet
import android.view.View
import androidx.core.view.ViewCompat.TYPE_TOUCH
import androidx.core.view.forEach
import androidx.recyclerview.widget.RecyclerView
@@ -13,12 +14,16 @@ class WebtoonRecyclerView @JvmOverloads constructor(
) : RecyclerView(context, attrs, defStyleAttr) {
private var onPageScrollListeners: MutableList<OnPageScrollListener>? = null
private val detachedViews = ArrayList<View>()
override fun onMeasure(widthSpec: Int, heightSpec: Int) {
super.onMeasure(widthSpec, heightSpec)
forEach { child ->
(child as WebtoonFrameLayout).target.requestLayout()
}
override fun onChildDetachedFromWindow(child: View) {
super.onChildDetachedFromWindow(child)
detachedViews.add(child)
}
override fun onChildAttachedToWindow(child: View) {
super.onChildAttachedToWindow(child)
detachedViews.remove(child)
}
override fun startNestedScroll(axes: Int) = startNestedScroll(axes, TYPE_TOUCH)
@@ -106,6 +111,15 @@ class WebtoonRecyclerView @JvmOverloads constructor(
listeners.forEach { it.dispatchScroll(this, dy, centerPosition) }
}
fun relayoutChildren() {
forEach { child ->
(child as WebtoonFrameLayout).target.requestLayout()
}
detachedViews.forEach {child ->
(child as WebtoonFrameLayout).target.requestLayout()
}
}
abstract class OnPageScrollListener {
private var lastPosition = NO_POSITION

3
app/src/main/kotlin/org/koitharu/kotatsu/reader/ui/pager/webtoon/WebtoonScalingFrame.kt
View File

@@ -23,7 +23,7 @@ class WebtoonScalingFrame @JvmOverloads constructor(
defStyles: Int = 0,
) : FrameLayout(context, attrs, defStyles), ScaleGestureDetector.OnScaleGestureListener {
private val targetChild by lazy(LazyThreadSafetyMode.NONE) { getChildAt(0) }
private val targetChild by lazy(LazyThreadSafetyMode.NONE) { getChildAt(0) as WebtoonRecyclerView }
private val scaleDetector = ScaleGestureDetector(context, this)
private val gestureDetector = GestureDetectorCompat(context, GestureListener())
@@ -96,6 +96,7 @@ class WebtoonScalingFrame @JvmOverloads constructor(
if (newHeight != targetChild.height) {
targetChild.layoutParams.height = newHeight
targetChild.requestLayout()
targetChild.relayoutChildren()
}
if (scale < 1) {