| /* |
| * Copyright 2018 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package androidx.recyclerview.widget; |
| |
| interface ThreadUtil<T> { |
| |
| interface MainThreadCallback<T> { |
| |
| void updateItemCount(int generation, int itemCount); |
| |
| void addTile(int generation, TileList.Tile<T> tile); |
| |
| void removeTile(int generation, int position); |
| } |
| |
| interface BackgroundCallback<T> { |
| |
| void refresh(int generation); |
| |
| void updateRange(int rangeStart, int rangeEnd, int extRangeStart, int extRangeEnd, |
| int scrollHint); |
| |
| void loadTile(int position, int scrollHint); |
| |
| void recycleTile(TileList.Tile<T> tile); |
| } |
| |
| MainThreadCallback<T> getMainThreadProxy(MainThreadCallback<T> callback); |
| |
| BackgroundCallback<T> getBackgroundProxy(BackgroundCallback<T> callback); |
| } |