| /* |
| * Copyright 2017 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.selection.testing; |
| |
| import static androidx.core.util.Preconditions.checkArgument; |
| |
| import androidx.recyclerview.selection.ItemKeyProvider; |
| |
| /** |
| * Provides RecyclerView selection code access to stable ids backed |
| * by TestAdapter. |
| */ |
| public final class TestItemKeyProvider<K> extends ItemKeyProvider<K> { |
| |
| private final TestAdapter<K> mAdapter; |
| |
| public TestItemKeyProvider(@Scope int scope, TestAdapter<K> adapter) { |
| super(scope); |
| checkArgument(adapter != null); |
| mAdapter = adapter; |
| } |
| |
| @Override |
| public K getKey(int position) { |
| return mAdapter.getSelectionKey(position); |
| } |
| |
| @Override |
| public int getPosition(K key) { |
| return mAdapter.getPosition(key); |
| } |
| } |