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46 lines
1.3 KiB
46 lines
1.3 KiB
/*
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* Copyright (c) 2021 yorha-0x
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.m2049r.xmrwallet.layout;
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import androidx.recyclerview.widget.DiffUtil;
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import java.util.List;
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public abstract class DiffCallback<T> extends DiffUtil.Callback {
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protected final List<T> mOldList;
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protected final List<T> mNewList;
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public DiffCallback(List<T> oldList, List<T> newList) {
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this.mOldList = oldList;
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this.mNewList = newList;
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}
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@Override
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public int getOldListSize() {
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return mOldList.size();
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}
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@Override
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public int getNewListSize() {
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return mNewList.size();
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}
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public abstract boolean areItemsTheSame(int oldItemPosition, int newItemPosition);
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public abstract boolean areContentsTheSame(int oldItemPosition, int newItemPosition);
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} |