2078bc2358
Change-Id: Ie8651c79ef023f154cd7120a88a20f3481abce2b Fixes: 38502743 Test: make RunSettingsRoboTests
57 lines
1.6 KiB
Java
57 lines
1.6 KiB
Java
/*
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* Copyright (C) 2017 The Android Open Source Project
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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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*/
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package com.android.settings.search;
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import android.support.v7.util.DiffUtil;
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import java.util.List;
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/**
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* Callback for DiffUtil to elegantly update search data when the query changes.
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*/
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public class SearchResultDiffCallback extends DiffUtil.Callback {
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private List<SearchResult> mOldList;
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private List<SearchResult> mNewList;
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public SearchResultDiffCallback(List<SearchResult> oldList, List<SearchResult> newList) {
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mOldList = oldList;
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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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@Override
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public boolean areItemsTheSame(int oldItemPosition, int newItemPosition) {
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return mOldList.get(oldItemPosition).equals(mNewList.get(newItemPosition));
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}
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@Override
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public boolean areContentsTheSame(int oldItemPosition, int newItemPosition) {
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return mOldList.get(oldItemPosition).equals(mNewList.get(newItemPosition));
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}
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}
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