up

app/src/main/java/io/legado/app/ui/search/DiffCallBack.kt

@@ -3,26 +3,28 @@ package io.legado.app.ui.search
 import androidx.recyclerview.widget.DiffUtil
 import io.legado.app.data.entities.SearchShow
 
-class DiffCallBack(private val oldItems: List<SearchShow>, private val newItems: List<SearchShow>) :
-    DiffUtil.Callback() {
-    override fun areItemsTheSame(oldItemPosition: Int, newItemPosition: Int): Boolean {
-        return oldItems[oldItemPosition].name == newItems[newItemPosition].name
-                && oldItems[oldItemPosition].author == newItems[newItemPosition].author
+class DiffCallBack : DiffUtil.ItemCallback<SearchShow>() {
+    override fun areItemsTheSame(oldItem: SearchShow, newItem: SearchShow): Boolean {
+        return oldItem.name == newItem.name
+                && oldItem.author == newItem.author
     }
 
-    override fun getOldListSize(): Int {
-        return oldItems.size
+    override fun areContentsTheSame(oldItem: SearchShow, newItem: SearchShow): Boolean {
+        return oldItem.originCount == newItem.originCount
+                && (oldItem.coverUrl == newItem.coverUrl || !oldItem.coverUrl.isNullOrEmpty())
+                && (oldItem.kind == newItem.kind || !oldItem.kind.isNullOrEmpty())
+                && (oldItem.latestChapterTitle == newItem.latestChapterTitle || !oldItem.kind.isNullOrEmpty())
+                && oldItem.intro?.length ?: 0 > newItem.intro?.length ?: 0
     }
 
-    override fun getNewListSize(): Int {
-        return newItems.size
-    }
-
-    override fun areContentsTheSame(oldItemPosition: Int, newItemPosition: Int): Boolean {
-        return oldItems[oldItemPosition].originCount == newItems[newItemPosition].originCount
-    }
-
-    override fun getChangePayload(oldItemPosition: Int, newItemPosition: Int): Any? {
-        return super.getChangePayload(oldItemPosition, newItemPosition)
+    override fun getChangePayload(oldItem: SearchShow, newItem: SearchShow): Any? {
+        return when {
+            oldItem.originCount != newItem.originCount -> 1
+            oldItem.coverUrl != newItem.coverUrl -> 2
+            oldItem.kind != newItem.kind -> 3
+            oldItem.latestChapterTitle != newItem.latestChapterTitle -> 4
+            oldItem.intro != newItem.intro -> 5
+            else -> null
+        }
     }
 }

app/src/main/java/io/legado/app/ui/search/SearchAdapter.kt

@@ -4,7 +4,6 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import androidx.paging.PagedListAdapter
-import androidx.recyclerview.widget.DiffUtil
 import androidx.recyclerview.widget.RecyclerView
 import io.legado.app.R
 import io.legado.app.data.entities.SearchShow
@@ -16,21 +15,7 @@ import kotlinx.android.synthetic.main.item_bookshelf_list.view.tv_name
 import kotlinx.android.synthetic.main.item_search.view.*
 import org.jetbrains.anko.sdk27.listeners.onClick
 
-class SearchAdapter : PagedListAdapter<SearchShow, SearchAdapter.MyViewHolder>(DIFF_CALLBACK) {
-
-    companion object {
-
-        @JvmField
-        val DIFF_CALLBACK = object : DiffUtil.ItemCallback<SearchShow>() {
-            override fun areItemsTheSame(oldItem: SearchShow, newItem: SearchShow): Boolean =
-                oldItem.name == newItem.name
-                        && oldItem.author == newItem.author
-
-            override fun areContentsTheSame(oldItem: SearchShow, newItem: SearchShow): Boolean =
-                oldItem.name == newItem.name
-                        && oldItem.author == newItem.author
-        }
-    }
+class SearchAdapter : PagedListAdapter<SearchShow, SearchAdapter.MyViewHolder>(DiffCallBack()) {
 
     var callBack: CallBack? = null
 
@@ -38,6 +23,16 @@ class SearchAdapter : PagedListAdapter<SearchShow, SearchAdapter.MyViewHolder>(D
         return MyViewHolder(LayoutInflater.from(parent.context).inflate(R.layout.item_search, parent, false))
     }
 
+    override fun onBindViewHolder(holder: MyViewHolder, position: Int, payloads: MutableList<Any>) {
+        if (payloads.isEmpty()) {
+            super.onBindViewHolder(holder, position, payloads)
+        } else {
+            getItem(position)?.let {
+                holder.bindChange(it, payloads, callBack)
+            }
+        }
+    }
+
     override fun onBindViewHolder(holder: MyViewHolder, position: Int) {
         getItem(position)?.let {
             holder.bind(it, callBack)
@@ -49,8 +44,8 @@ class SearchAdapter : PagedListAdapter<SearchShow, SearchAdapter.MyViewHolder>(D
 
         fun bind(searchBook: SearchShow, callBack: CallBack?) = with(itemView) {
             tv_name.text = searchBook.name
-            bv_originCount.setBadgeCount(searchBook.originCount)
             tv_author.text = context.getString(R.string.author_show, searchBook.author)
+            bv_originCount.setBadgeCount(searchBook.originCount)
             if (searchBook.latestChapterTitle.isNullOrEmpty()) {
                 tv_lasted.gone()
             } else {
@@ -99,6 +94,65 @@ class SearchAdapter : PagedListAdapter<SearchShow, SearchAdapter.MyViewHolder>(D
                 callBack?.showBookInfo(searchBook.name, searchBook.author)
             }
         }
+
+        fun bindChange(searchBook: SearchShow, payloads: MutableList<Any>, callBack: CallBack?) =
+            with(itemView) {
+                when (payloads[0]) {
+                    1 -> bv_originCount.setBadgeCount(searchBook.originCount)
+                    2 -> searchBook.coverUrl.let {
+                        ImageLoader.load(context, it)//Glide自动识别http://和file://
+                            .placeholder(R.drawable.img_cover_default)
+                            .error(R.drawable.img_cover_default)
+                            .centerCrop()
+                            .setAsDrawable(iv_cover)
+                    }
+                    3 -> {
+                        val kinds = searchBook.getKindList()
+                        if (kinds.isEmpty()) {
+                            ll_kind.gone()
+                        } else {
+                            ll_kind.visible()
+                            for (index in 0..2) {
+                                if (kinds.size > index) {
+                                    when (index) {
+                                        0 -> {
+                                            tv_kind.text = kinds[index]
+                                            tv_kind.visible()
+                                        }
+                                        1 -> {
+                                            tv_kind_1.text = kinds[index]
+                                            tv_kind_1.visible()
+                                        }
+                                        2 -> {
+                                            tv_kind_2.text = kinds[index]
+                                            tv_kind_2.visible()
+                                        }
+                                    }
+                                } else {
+                                    when (index) {
+                                        0 -> tv_kind.gone()
+                                        1 -> tv_kind_1.gone()
+                                        2 -> tv_kind_2.gone()
+                                    }
+                                }
+                            }
+                        }
+                    }
+                    4 -> {
+                        if (searchBook.latestChapterTitle.isNullOrEmpty()) {
+                            tv_lasted.gone()
+                        } else {
+                            tv_lasted.text = context.getString(
+                                R.string.lasted_show,
+                                searchBook.latestChapterTitle
+                            )
+                            tv_lasted.visible()
+                        }
+                    }
+                    5 -> tv_introduce.text =
+                        context.getString(R.string.intro_show, searchBook.intro)
+                }
+            }
     }
 
     interface CallBack {