Revert "Support API 25. Use new DividerItemDecoration."

This reverts commit 05b14bae7b.

app/src/main/java/eu/kanade/tachiyomi/ui/catalogue/CatalogueFragment.kt

@@ -3,7 +3,10 @@ package eu.kanade.tachiyomi.ui.catalogue
 import android.content.res.Configuration
 import android.os.Bundle
 import android.support.design.widget.Snackbar
-import android.support.v7.widget.*
+import android.support.v7.widget.GridLayoutManager
+import android.support.v7.widget.LinearLayoutManager
+import android.support.v7.widget.SearchView
+import android.support.v7.widget.Toolbar
 import android.view.*
 import android.view.animation.AnimationUtils
 import android.widget.ArrayAdapter
@@ -18,8 +21,10 @@ import eu.kanade.tachiyomi.ui.base.adapter.FlexibleViewHolder
 import eu.kanade.tachiyomi.ui.base.fragment.BaseRxFragment
 import eu.kanade.tachiyomi.ui.main.MainActivity
 import eu.kanade.tachiyomi.ui.manga.MangaActivity
+import eu.kanade.tachiyomi.util.getResourceDrawable
 import eu.kanade.tachiyomi.util.snack
 import eu.kanade.tachiyomi.util.toast
+import eu.kanade.tachiyomi.widget.DividerItemDecoration
 import eu.kanade.tachiyomi.widget.EndlessScrollListener
 import eu.kanade.tachiyomi.widget.IgnoreFirstSpinnerListener
 import kotlinx.android.synthetic.main.fragment_catalogue.*
@@ -144,7 +149,9 @@ open class CatalogueFragment : BaseRxFragment<CataloguePresenter>(), FlexibleVie
         catalogue_list.adapter = adapter
         catalogue_list.layoutManager = llm
         catalogue_list.addOnScrollListener(listScrollListener)
-        catalogue_list.addItemDecoration(DividerItemDecoration(context, DividerItemDecoration.VERTICAL))
+        catalogue_list.addItemDecoration(
+                DividerItemDecoration(context.theme.getResourceDrawable(R.attr.divider_drawable)))
+
         if (presenter.isListMode) {
             switcher.showNext()
         }

app/src/main/java/eu/kanade/tachiyomi/ui/manga/chapter/ChaptersFragment.kt

@@ -6,7 +6,6 @@ import android.content.Intent
 import android.os.Bundle
 import android.support.v4.app.DialogFragment
 import android.support.v7.view.ActionMode
-import android.support.v7.widget.DividerItemDecoration
 import android.support.v7.widget.LinearLayoutManager
 import android.view.*
 import com.afollestad.materialdialogs.MaterialDialog
@@ -20,8 +19,10 @@ import eu.kanade.tachiyomi.ui.base.fragment.BaseRxFragment
 import eu.kanade.tachiyomi.ui.manga.MangaActivity
 import eu.kanade.tachiyomi.ui.reader.ReaderActivity
 import eu.kanade.tachiyomi.util.getCoordinates
+import eu.kanade.tachiyomi.util.getResourceDrawable
 import eu.kanade.tachiyomi.util.toast
 import eu.kanade.tachiyomi.widget.DeletingChaptersDialog
+import eu.kanade.tachiyomi.widget.DividerItemDecoration
 import kotlinx.android.synthetic.main.fragment_manga_chapters.*
 import nucleus.factory.RequiresPresenter
 import timber.log.Timber
@@ -66,7 +67,8 @@ class ChaptersFragment : BaseRxFragment<ChaptersPresenter>(), ActionMode.Callbac
 
         recycler.adapter = adapter
         recycler.layoutManager = LinearLayoutManager(activity)
-        recycler.addItemDecoration(DividerItemDecoration(context, DividerItemDecoration.VERTICAL))
+        recycler.addItemDecoration(DividerItemDecoration(
+                context.theme.getResourceDrawable(R.attr.divider_drawable)))
         recycler.setHasFixedSize(true)
 
         swipe_refresh.setOnRefreshListener { fetchChapters() }

app/src/main/java/eu/kanade/tachiyomi/ui/recent_updates/RecentChaptersFragment.kt

@@ -3,7 +3,6 @@ package eu.kanade.tachiyomi.ui.recent_updates
 import android.os.Bundle
 import android.support.v4.app.DialogFragment
 import android.support.v7.view.ActionMode
-import android.support.v7.widget.DividerItemDecoration
 import android.support.v7.widget.LinearLayoutManager
 import android.view.*
 import com.afollestad.materialdialogs.MaterialDialog
@@ -14,7 +13,9 @@ import eu.kanade.tachiyomi.ui.base.adapter.FlexibleViewHolder
 import eu.kanade.tachiyomi.ui.base.fragment.BaseRxFragment
 import eu.kanade.tachiyomi.ui.main.MainActivity
 import eu.kanade.tachiyomi.ui.reader.ReaderActivity
+import eu.kanade.tachiyomi.util.getResourceDrawable
 import eu.kanade.tachiyomi.widget.DeletingChaptersDialog
+import eu.kanade.tachiyomi.widget.DividerItemDecoration
 import kotlinx.android.synthetic.main.fragment_recent_chapters.*
 import nucleus.factory.RequiresPresenter
 import timber.log.Timber
@@ -68,7 +69,7 @@ class RecentChaptersFragment
     override fun onViewCreated(view: View, savedState: Bundle?) {
         // Init RecyclerView and adapter
         recycler.layoutManager = LinearLayoutManager(activity)
-        recycler.addItemDecoration(DividerItemDecoration(context, DividerItemDecoration.VERTICAL))
+        recycler.addItemDecoration(DividerItemDecoration(context.theme.getResourceDrawable(R.attr.divider_drawable)))
         recycler.setHasFixedSize(true)
         adapter = RecentChaptersAdapter(this)
         recycler.adapter = adapter

app/src/main/java/eu/kanade/tachiyomi/widget/DividerItemDecoration.kt

@@ -0,0 +1,83 @@
+package eu.kanade.tachiyomi.widget
+
+import android.content.Context
+import android.graphics.Canvas
+import android.graphics.Rect
+import android.graphics.drawable.Drawable
+import android.support.v7.widget.LinearLayoutManager
+import android.support.v7.widget.RecyclerView
+import android.util.AttributeSet
+import android.view.View
+
+class DividerItemDecoration : RecyclerView.ItemDecoration {
+
+    private val divider: Drawable?
+
+    constructor(context: Context, attrs: AttributeSet) {
+        val a = context.obtainStyledAttributes(attrs, intArrayOf(android.R.attr.listDivider))
+        divider = a.getDrawable(0)
+        a.recycle()
+    }
+
+    constructor(divider: Drawable) {
+        this.divider = divider
+    }
+
+    override fun getItemOffsets(outRect: Rect, view: View, parent: RecyclerView, state: RecyclerView.State?) {
+        super.getItemOffsets(outRect, view, parent, state)
+        if (divider == null) return
+        if (parent.getChildPosition(view) < 1) return
+
+        if (getOrientation(parent) == LinearLayoutManager.VERTICAL)
+            outRect.top = divider.intrinsicHeight
+        else
+            outRect.left = divider.intrinsicWidth
+    }
+
+    override fun onDrawOver(c: Canvas, parent: RecyclerView, state: RecyclerView.State?) {
+        if (divider == null) {
+            super.onDrawOver(c, parent, state)
+            return
+        }
+
+        if (getOrientation(parent) == LinearLayoutManager.VERTICAL) {
+            val left = parent.paddingLeft
+            val right = parent.width - parent.paddingRight
+            val childCount = parent.childCount
+            val dividerHeight = divider.intrinsicHeight
+
+            for (i in 1..childCount - 1) {
+                val child = parent.getChildAt(i)
+                val params = child.layoutParams as RecyclerView.LayoutParams
+                val ty = (child.translationY + 0.5f).toInt()
+                val top = child.top - params.topMargin + ty
+                val bottom = top + dividerHeight
+                divider.setBounds(left, top, right, bottom)
+                divider.draw(c)
+            }
+        } else { //horizontal
+            val top = parent.paddingTop
+            val bottom = parent.height - parent.paddingBottom
+            val childCount = parent.childCount
+
+            for (i in 1..childCount - 1) {
+                val child = parent.getChildAt(i)
+                val params = child.layoutParams as RecyclerView.LayoutParams
+                val size = divider.intrinsicWidth
+                val left = child.left - params.leftMargin
+                val right = left + size
+                divider.setBounds(left, top, right, bottom)
+                divider.draw(c)
+            }
+        }
+    }
+
+    private fun getOrientation(parent: RecyclerView): Int {
+        if (parent.layoutManager is LinearLayoutManager) {
+            val layoutManager = parent.layoutManager as LinearLayoutManager
+            return layoutManager.orientation
+        } else
+            throw IllegalStateException("DividerItemDecoration can only be used with a LinearLayoutManager.")
+    }
+
+}