1/*
2 * Copyright (c) 2022 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 *     http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16
17/**
18 * DataChangeListener implemented by LazyForEach
19 *
20 * public / SDK API
21 */
22declare interface DataChangeListener {
23  onDataReloaded(): void;
24  onDataAdded(index: number): void;
25  onDataMoved(from: number, to: number): void;
26  onDataDeleted(index: number): void;
27  onDataChanged(index: number): void;
28}
29
30/**
31 * IDataSource expected by LazyforEach
32 *
33 * public / SDK API
34 */
35declare interface IDataSource {
36  totalCount(): number;
37  getData(index: number): any;
38  registerDataChangeListener(listener: DataChangeListener): void;
39  unregisterDataChangeListener(listener: DataChangeListener): void;
40}
41
42