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 BaseDataSource from './BaseDataSource'; 17import FormConstants from '../common/constants/FormConstants'; 18import AppFormWeightManager from '../manager/AppFormWeightManager'; 19 20const TAG = 'HighFrequencyAppDataSource'; 21 22/** 23 * 推荐卡片资源池数据源：高频应用对应的卡片 24 */ 25export default class HighFrequencyAppDataSource extends BaseDataSource { 26 private mAppFormWeightManager: AppFormWeightManager = AppFormWeightManager.getInstance(); 27 28 constructor() { 29 super(); 30 } 31 32 /** 33 * getInstance 34 * 35 * @return Instance 36 */ 37 static getInstance(): HighFrequencyAppDataSource { 38 if (globalThis.HighFrequencyAppDataSource == null) { 39 globalThis.HighFrequencyAppDataSource = new HighFrequencyAppDataSource(); 40 } 41 return globalThis.HighFrequencyAppDataSource; 42 } 43 44 protected getSourceDataList(): string[] { 45 return this.mAppFormWeightManager.getSortedAppUsageWeight()?.map((weight) => { 46 return String(weight[0]); 47 }); 48 } 49 50 /** 51 * 获取卡片资源池数据源名 52 * 53 * @return 卡片资源池数据源名 54 */ 55 public getName(): string { 56 return FormConstants.FORM_DATA_SOURCE_POOL_NAME_HIGH_FREQUENCY; 57 } 58 59 /** 60 * 获取卡片资源池阈值 61 * 62 * @return 卡片资源池阈值 63 */ 64 public getThreshold(): number { 65 return FormConstants.SERVICE_FORM_POOL_HIGH_FREQUENCY_APP_THRESHOLD; 66 } 67} 68