pull/1649/head
parent
17aaae27a5
commit
439fd5b5bf
@ -1,50 +0,0 @@ |
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package io.legado.app.ui.book.changesource |
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import android.os.Bundle |
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import androidx.recyclerview.widget.DiffUtil |
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import io.legado.app.data.entities.SearchBook |
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class DiffCallBack(private val oldItems: List<SearchBook>, private val newItems: List<SearchBook>) : |
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DiffUtil.Callback() { |
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override fun getOldListSize(): Int { |
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return oldItems.size |
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} |
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override fun getNewListSize(): Int { |
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return newItems.size |
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} |
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override fun areItemsTheSame(oldItemPosition: Int, newItemPosition: Int): Boolean { |
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val oldItem = oldItems[oldItemPosition] |
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val newItem = newItems[newItemPosition] |
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return oldItem.bookUrl == newItem.bookUrl |
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} |
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override fun areContentsTheSame(oldItemPosition: Int, newItemPosition: Int): Boolean { |
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val oldItem = oldItems[oldItemPosition] |
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val newItem = newItems[newItemPosition] |
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return when { |
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oldItem.originName != newItem.originName -> false |
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oldItem.latestChapterTitle != newItem.latestChapterTitle -> false |
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else -> true |
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} |
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} |
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override fun getChangePayload(oldItemPosition: Int, newItemPosition: Int): Any? { |
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val oldItem = oldItems[oldItemPosition] |
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val newItem = newItems[newItemPosition] |
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val payload = Bundle() |
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if (oldItem.originName != newItem.originName) { |
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payload.putString("name", newItem.originName) |
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} |
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if (oldItem.latestChapterTitle != newItem.latestChapterTitle) { |
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payload.putString("latest", newItem.latestChapterTitle) |
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} |
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if (payload.isEmpty) { |
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return null |
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} |
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return payload |
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} |
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} |
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