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Remove divider between manga info header and chapters header

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This commit is contained in:
arkon 2020-07-24 22:27:58 -04:00
parent 76147a9be7
commit c37377bffa
2 changed files with 62 additions and 2 deletions
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4
app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaController.kt
View file

@ -14,7 +14,6 @@ import android.view.ViewGroup
import androidx.appcompat.app.AppCompatActivity
import androidx.appcompat.view.ActionMode
import androidx.recyclerview.widget.ConcatAdapter
import androidx.recyclerview.widget.DividerItemDecoration
import androidx.recyclerview.widget.LinearLayoutManager
import androidx.recyclerview.widget.RecyclerView
import com.bluelinelabs.conductor.ControllerChangeHandler
@ -47,6 +46,7 @@ import eu.kanade.tachiyomi.ui.library.ChangeMangaCoverDialog
import eu.kanade.tachiyomi.ui.library.LibraryController
import eu.kanade.tachiyomi.ui.main.MainActivity
import eu.kanade.tachiyomi.ui.main.offsetAppbarHeight
import eu.kanade.tachiyomi.ui.manga.chapter.ChapterDividerItemDecoration
import eu.kanade.tachiyomi.ui.manga.chapter.ChapterHolder
import eu.kanade.tachiyomi.ui.manga.chapter.ChapterItem
import eu.kanade.tachiyomi.ui.manga.chapter.ChaptersAdapter
@ -187,7 +187,7 @@ class MangaController :
binding.recycler.adapter = ConcatAdapter(mangaInfoAdapter, chaptersHeaderAdapter, chaptersAdapter)
binding.recycler.layoutManager = LinearLayoutManager(view.context)
binding.recycler.addItemDecoration(DividerItemDecoration(view.context, DividerItemDecoration.VERTICAL))
binding.recycler.addItemDecoration(ChapterDividerItemDecoration(view.context))
binding.recycler.setHasFixedSize(true)
chaptersAdapter?.fastScroller = binding.fastScroller

60
app/src/main/java/eu/kanade/tachiyomi/ui/manga/chapter/ChapterDividerItemDecoration.kt Normal file
View file

@ -0,0 +1,60 @@
package eu.kanade.tachiyomi.ui.manga.chapter
import android.content.Context
import android.graphics.Canvas
import android.graphics.Rect
import android.graphics.drawable.Drawable
import android.view.View
import androidx.recyclerview.widget.RecyclerView
/**
* Mimics a DividerItemDecoration that doesn't draw between the first two items.
*
* Used in MangaController since the manga info header and chapters header are the first two
* items in the list using a ConcatAdapter.
*/
class ChapterDividerItemDecoration(context: Context) : RecyclerView.ItemDecoration() {
private val divider: Drawable
init {
val a = context.obtainStyledAttributes(intArrayOf(android.R.attr.listDivider))
divider = a.getDrawable(0)!!
a.recycle()
}
override fun onDraw(canvas: Canvas, parent: RecyclerView, state: RecyclerView.State) {
if (parent.layoutManager == null) {
return
}
canvas.save()
val childCount = parent.childCount
for (i in 1 until childCount) {
val child = parent.getChildAt(i)
val params = child.layoutParams as RecyclerView.LayoutParams
val top = child.bottom + params.bottomMargin
val bottom = top + divider.intrinsicHeight
val left = parent.paddingStart
val right = parent.width - parent.paddingEnd
divider.setBounds(left, top, right, bottom)
divider.draw(canvas)
}
canvas.restore()
}
override fun getItemOffsets(
outRect: Rect,
view: View,
parent: RecyclerView,
state: RecyclerView.State
) {
val position = parent.getChildAdapterPosition(view)
if (position == 0) {
outRect.setEmpty()
} else {
outRect.set(0, 0, 0, divider.intrinsicHeight)
}
}
}