1/*
2 * Copyright (c) 2022-2023 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
16import type { AsyncCallback } from '../../common/AsyncCallback';
17import type { MediaDataSource } from './MediaDataSource';
18import type { MediaItem } from './MediaItem';
19import { Log } from '../../../utils/Log';
20import { TraceControllerUtils } from '../../../utils/TraceControllerUtils';
21
22const TAG: string = 'common_GetItemCallback';
23
24export class GetItemCallback implements AsyncCallback<MediaItem> {
25  source: MediaDataSource;
26  requestTime: number;
27  itemNotifyCallback: Function;
28
29  constructor(source: MediaDataSource, itemNotifyCallback: Function) {
30    this.source = source;
31    this.requestTime = Date.now();
32    this.itemNotifyCallback = itemNotifyCallback;
33    TraceControllerUtils.startTraceWithTaskId('getMediaItemIndex', this.requestTime);
34  }
35
36  callback(mediaItem: MediaItem): void {
37    TraceControllerUtils.finishTraceWithTaskId('getMediaItemIndex', this.requestTime);
38    Log.info(TAG, `GetItemIndex finish: fileAsset=${mediaItem}`);
39    this.itemNotifyCallback(mediaItem);
40  }
41}