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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
16import prompt from '@ohos.prompt'
17import CommonEvent from '@ohos.commonEvent'
18import MissionItem from '../components/MissionItem'
19import MissionInfo from '../bean/MisssionInfo'
20import MissionModel from '../model/MissionModel'
21import { EventConstants, Logger, MyDataSource } from '@ohos/base'
22
23
24const TAG: string = 'RecentsLayout'
25const SUBSCRIBER_INFO = {
26  events: [
27    EventConstants.EVENT_ENTER_RECENTS
28  ]
29}
30const MISSION_OPERATE = {
31  CHANGE_LOCK: 0,
32  CLEAR: 1
33}
34
35@Component
36export struct RecentsLayout {
37  @State missionInfos: Array<MissionInfo> = new Array<MissionInfo>()
38  @State showEmptyMessage: boolean = false
39  private subscriber = undefined
40  private missionsData: MyDataSource = new MyDataSource([])
41
42  async aboutToAppear() {
43    await this.refreshMissionInfos()
44    this.subscriber = await CommonEvent.createSubscriber(SUBSCRIBER_INFO)
45    CommonEvent.subscribe(this.subscriber, this.refreshMissionInfos.bind(this))
46  }
47
48  async refreshMissionInfos() {
49    let context = getContext(this)
50    this.missionInfos = await MissionModel.getMissionInfos(context)
51    Logger.info(TAG, `refreshRecentsData end,result = ${this.missionInfos.length}`)
52    this.missionsData['dataArray'] = this.missionInfos
53    this.missionsData.notifyDataReload()
54    if (this.missionInfos.length > 0) {
55      this.showEmptyMessage = false
56    } else {
57      this.showEmptyMessage = true
58    }
59  }
60
61  handleOperateMission = async (index: number, operate: number) => {
62    Logger.info(TAG, `handleOperateMission, index=${index}, operate=${operate}`);
63    this.missionInfos = this.missionsData['dataArray'];
64    this.missionsData['dataArray'] = [];
65    this.missionsData.notifyDataReload();
66    if (this.missionInfos[index]) {
67      if (operate === MISSION_OPERATE.CHANGE_LOCK) {
68        if (this.missionInfos[index].lockedState) {
69          await  MissionModel.unLockMission(this.missionInfos[index].missionId);
70        } else {
71          await MissionModel.lockMission(this.missionInfos[index].missionId);
72        }
73      } else {
74        await  MissionModel.clearMission(this.missionInfos[index].missionId);
75      }
76    }
77    setTimeout(() => {
78      CommonEvent.publish(EventConstants.EVENT_ENTER_RECENTS, () => {
79        Logger.info(TAG, `enter recents`);
80      })
81    }, 20)
82  }
83
84  async clearAllMissions() {
85    await MissionModel.clearAllMission()
86    CommonEvent.publish(EventConstants.EVENT_CLEAR_RECENTS, () => {
87      Logger.info(TAG, `clearAllMission,then exit recents`)
88    })
89  }
90
91  build() {
92    Column() {
93      if (this.showEmptyMessage) {
94        Text($r('app.string.message_no_mission'))
95          .fontSize(20)
96          .fontColor(Color.White)
97          .alignSelf(ItemAlign.Center)
98      } else {
99        List({ space: 16 }) {
100          LazyForEach(this.missionsData, (item, index) => {
101            ListItem() {
102              MissionItem({ missionInfo: item, index: index, operateMission: this.handleOperateMission })
103            }
104          }, item => item.appName)
105        }
106        .listDirection(Axis.Horizontal)
107        .height('60%')
108        .width('100%')
109
110        Image($r("app.media.ic_delete"))
111          .width(45)
112          .height(45)
113          .objectFit(ImageFit.Contain)
114          .margin({ top: 20 })
115          .padding(5)
116          .borderRadius(25)
117          .backgroundColor('#77F5F5F5')
118          .onClick(this.clearAllMissions)
119      }
120    }
121    .width('100%')
122    .height('100%')
123    .justifyContent(FlexAlign.Center)
124    .onClick(() => {
125      CommonEvent.publish(EventConstants.EVENT_ENTER_HOME, () => {
126        Logger.info(TAG, `exit recents`)
127      })
128    })
129  }
130}