1/*
2 * Copyright 2017 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package androidx.recyclerview.selection.testing;
18
19import androidx.recyclerview.selection.DefaultSelectionTracker;
20import androidx.recyclerview.selection.EventBridge;
21import androidx.recyclerview.selection.ItemKeyProvider;
22import androidx.recyclerview.selection.SelectionPredicates;
23import androidx.recyclerview.selection.SelectionTracker;
24import androidx.recyclerview.selection.StorageStrategy;
25
26public final class SelectionTrackers {
27
28    private SelectionTrackers() {}
29
30    public static SelectionTracker<String> createStringTracker(String id, int numItems) {
31        TestAdapter<String> adapter = new TestAdapter<>(TestData.createStringData(numItems));
32        ItemKeyProvider<String> keyProvider =
33                new TestItemKeyProvider<>(ItemKeyProvider.SCOPE_MAPPED, adapter);
34        SelectionTracker<String> tracker = new DefaultSelectionTracker<>(
35                id,
36                keyProvider,
37                SelectionPredicates.createSelectAnything(),
38                StorageStrategy.createStringStorage());
39
40        EventBridge.install(adapter, tracker, keyProvider);
41
42        return tracker;
43    }
44
45    public static SelectionTracker<Long> createLongTracker(String id, int numItems) {
46        TestAdapter<Long> adapter = new TestAdapter<>(TestData.createLongData(numItems));
47        ItemKeyProvider<Long> keyProvider =
48                new TestItemKeyProvider<>(ItemKeyProvider.SCOPE_MAPPED, adapter);
49        SelectionTracker<Long> tracker = new DefaultSelectionTracker<>(
50                id,
51                keyProvider,
52                SelectionPredicates.createSelectAnything(),
53                StorageStrategy.createLongStorage());
54
55        EventBridge.install(adapter, tracker, keyProvider);
56
57        return tracker;
58    }
59}
60