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 16export interface LoadingListener { 17 18 /** 19 * Quantity change notice 20 * 21 * @param size Total number of media 22 */ 23 onSizeLoadingFinished(size: number): void; 24 25 /** 26 * Data loading completion notification 27 */ 28 onDataLoadingFinished(): void; 29 30 /** 31 * Data change notification 32 * 33 * @param dataIndex dataIndex 34 */ 35 onDataChanged(dataIndex: number): void; 36}