StartBackgroundTask.ets

/*
 * Copyright (c) 2022-2023 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
import fileio from '@ohos.fileio';
import {CustomContainer} from '../common/TimeExperienceCustomContainer';
import FirstDialog from '../model/FirstDialog';
import context from '@ohos.app.ability.common';

let abilityContext = getContext(this) as context.UIAbilityContext;
let path = globalThis.dir;
let Xpath = path + '/CompleteTimeLauncher.log';

@Entry
@Component
struct CustomContainerUser {
  @State name: string = 'StartBackgroundTask';
  @State StepTips: string = '操作步骤：根据操作提示打开后台任务'+'\n'+'预期结果：打开后台任务时延低于600ms测试通过';
  @State Vue: boolean = false;
  @State StartEnable: boolean = true;
  @State time: string = '0';
  async aboutToAppear(){
    await FirstDialog.ChooseDialog(this.StepTips,this.name);
    this.Vue = false;
  }

  @Builder specificNoParam() {
    Column() {
      Flex({direction:FlexDirection.Column,alignItems: ItemAlign.Center, justifyContent: FlexAlign.SpaceBetween }) {
        Column(){
          Row(){
            Text(`根据以下操作步骤完成测试`+ '\n' + '\n' + '\n' + '\n'+ '\n' + '\n' + '\n' + '\n')
              .fontColor(Color.White).fontSize('24fp')
          }
          Row(){
            Text(`测试步骤:`+ '\n' + '\n' +`1.点击开始键进入桌面开启任务管理器` + '\n' + '\n' + `2.双击执行.bat选择完成时延>后台任务切换`+
            '\n' + '\n' +`3.随意点开一个后台任务` + '\n' + '\n' + '4.待脚本执行结束回到Validator点击停止键'
            + '\n' + '\n' + `5.若打开后台任务时延小于或等于600ms则通过测试` + '\n' + '\n' + '\n' + '\n' )
              .fontColor(Color.White).fontSize('20fp')
          }
          Row(){
            Column(){
              Button(`开始`)
                .borderRadius(8)
                .backgroundColor(0x317aff)
                .width('30%')
                .enabled(this.StartEnable)
                .opacity(this.StartEnable? 1 : 0.4)
                .onClick(async () => {
                  this.StartEnable = !this.StartEnable;
                  let str = {
                    bundleName:"com.ohos.launcher",
                    abilityName: "com.ohos.launcher.MainAbility",
                  }
                  abilityContext.startAbility(str).then((data) => {

                  }).catch((error) => {

                  })
                })
            }
            Column(){
              Button(`结束`)
                .borderRadius(8)
                .backgroundColor(0x317aff)
                .width('30%')
                .enabled(!this.StartEnable)
                .opacity(!this.StartEnable? 1 : 0.4)
                .onClick(() => {
                  this.StartEnable = !this.StartEnable
                  let fd = fileio.openSync(Xpath, 0o100 | 0o2002, 0o664);
                  let buf = new ArrayBuffer(4096);
                  fileio.readSync(fd,buf);
                  let report = String.fromCharCode.apply(null,new Uint8Array(buf));
                  let head = report.indexOf(":");
                  this.time = report.substring(head+1);
                  let time = parseFloat(this.time)
                  if( time < 600 ) {
                    this.Vue = true;
                  }
                })
            }
          }
          Row(){
            Text('\n' + '\n' + '\n' + '\n'+ '\n' + '\n' + '\n' + '\n' + `打开后台任务时延：` + this.time + 'ms' )
              .fontColor(Color.White).fontSize('24fp')
          }
        }

      }
    }.width('100%').height('80%').backgroundColor(Color.Black)
    .justifyContent(FlexAlign.SpaceEvenly)
  }
  build() {
    Column() {
      CustomContainer({
        title: this.name,
        Url:'pages/Experience/Experience_index',
        StepTips:this.StepTips,
        content: this.specificNoParam,
        name:$name,
        Vue: $Vue,
        StartEnable: $StartEnable,
        time: $time
      })
    }.width('100%').height('100%').backgroundColor(Color.Black)
  }
}