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1/**
2 * Copyright (c) 2023-2023 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 systemTime from '@ohos.systemTime';
17import usageStatistics from '@ohos.resourceschedule.usageStatistics';
18import { NumberConstants, Log } from '@ohos/common';
19
20const TAG = 'AppFormWeightManager';
21
22
23/**
24 * FA卡片属性的APP权重管理接口
25 */
26export interface IAppFormWeightManager {
27  refreshUsageWeight(): Promise<void>;
28  getSortedAppUsageWeight(): ((string | number)[]) [];
29}
30
31/**
32 * Card APP Weight Manager Class
33 */
34export default class AppFormWeightManager implements IAppFormWeightManager {
35  private mAppUsageWeight: Map<string, number> = new Map();
36  private mRefreshTime: number = 0;
37  private ENTER_RECOMMEND_INTERVAL_DAYS: number = 1;
38
39  private constructor() {
40  }
41
42  /**
43   * getInstance
44   *
45   * @return Instance 单例
46   */
47  static getInstance(): AppFormWeightManager {
48    if (globalThis.AppFormWeightManager == null) {
49      globalThis.AppFormWeightManager = new AppFormWeightManager();
50    }
51    return globalThis.AppFormWeightManager;
52  }
53
54  /**
55   * 刷新权重
56   */
57  async refreshUsageWeight(): Promise<void> {
58    Log.showInfo(TAG, 'refreshUsageWeight start');
59    if (await this.isNeedRefresh()) {
60      this.mAppUsageWeight = new Map();
61      try {
62        let moduleInfoArr = await usageStatistics.queryModuleUsageRecords();
63        Log.showInfo(TAG, `queryModuleUsageRecords length ${moduleInfoArr.length}`);
64        for (let i: number = 0; i < moduleInfoArr.length; i++) {
65          this.mAppUsageWeight.set(moduleInfoArr[i].bundleName, moduleInfoArr[i].launchedCount);
66        }
67      } catch (error) {
68        Log.showError(TAG, `BUNDLE_ACTIVE queryModuleUsageRecords throw error, code is: ${error.code}, message is:
69          ${error.message}`);
70      }
71    }
72  }
73
74  /**
75   * 是否更新数据：时间超过一天，刷新一次
76   */
77  private async isNeedRefresh(): Promise<boolean> {
78    let current: number = await systemTime.getCurrentTime();
79    let isNeedRefresh: boolean = false;
80    let isIntervalDaysExceedsThreshold: boolean = (current - this.mRefreshTime) >
81      NumberConstants.CONSTANT_DAY_TIME_MILLIS * this.ENTER_RECOMMEND_INTERVAL_DAYS;
82    if (isIntervalDaysExceedsThreshold) {
83      this.mRefreshTime = current;
84      isNeedRefresh = true;
85    }
86    return isNeedRefresh;
87  }
88
89  /**
90   * 获取app的使用权重.
91   *
92   * @return app的使用权重.
93   */
94  getSortedAppUsageWeight(): ((string | number)[]) [] {
95    if (this.mAppUsageWeight.size === 0) {
96      return new Array();
97    }
98    let mAppUsageWeightArr = Array.from(this.mAppUsageWeight);
99    mAppUsageWeightArr.sort((item1, item2) => {
100      return item2[1] - item1[1];
101    });
102    return mAppUsageWeightArr;
103  }
104}
105