Sunny Goyal
892fab2c14
of a custom implementation This uses the same version as all-apps and avoids whole list refresh when a widget entry is expanded for the first time Removing tests which were essentially testing the diffing logic Bug: 268646258 Test: Verified on device Change-Id: I4799c66b4674e754547317317e7a63f098fce735
65 lines
2.0 KiB
Java
65 lines
2.0 KiB
Java
/*
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* Copyright (C) 2023 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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package com.android.launcher3.widget.picker;
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import androidx.recyclerview.widget.DiffUtil.Callback;
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import com.android.launcher3.widget.model.WidgetsListBaseEntry;
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import java.util.List;
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/**
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* DiffUtil callback to compare widgets
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*/
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public class WidgetsDiffCallback extends Callback {
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private final List<WidgetsListBaseEntry> mOldEntries;
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private final List<WidgetsListBaseEntry> mNewEntries;
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public WidgetsDiffCallback(
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List<WidgetsListBaseEntry> oldEntries,
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List<WidgetsListBaseEntry> newEntries) {
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mOldEntries = oldEntries;
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mNewEntries = newEntries;
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}
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@Override
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public int getOldListSize() {
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return mOldEntries.size();
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}
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@Override
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public int getNewListSize() {
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return mNewEntries.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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// Items are same if they point to the same package entry
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WidgetsListBaseEntry oldItem = mOldEntries.get(oldItemPosition);
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WidgetsListBaseEntry newItem = mNewEntries.get(newItemPosition);
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return oldItem.getClass().equals(newItem.getClass())
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&& oldItem.mPkgItem.equals(newItem.mPkgItem);
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}
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@Override
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public boolean areContentsTheSame(int oldItemPosition, int newItemPosition) {
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// Always update all entries since the icon may have changed
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return false;
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}
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}
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