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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 UIAbility from '@ohos.app.ability.UIAbility'
17import emitter from '@ohos.events.emitter'
18import Logger from '../common/Logger'
19
20const TAG = '[Sample_StartMode]'
21const eventId = 1 // 设置一个Id，用来emitter传输
22
23
24export default class SingletonAbility extends UIAbility {
25  onCreate(want) {
26    Logger.info(TAG, 'SingletonAbility onCreate')
27    const that = this
28    this.context.eventHub.on("getAbilityData", (data) => {
29      Logger.info(TAG, 'SingletonAbility' + JSON.stringify(data))
30      data.context = that.context
31      data.launchWant = want
32    })
33  }
34
35  onDestroy() {
36    Logger.info(TAG, 'SingletonAbility onDestroy')
37  }
38
39  onWindowStageCreate(windowStage) {
40    Logger.info(TAG, 'SingletonAbility onWindowStageCreate')
41
42    windowStage.loadContent('pages/FoodDetail', (err, data) => {
43      if (err.code) {
44        Logger.info(TAG, 'Failed to load the content. Cause:' + JSON.stringify(err))
45        return
46      }
47      Logger.info(TAG, 'Succeeded in loading the content. Data: ' + JSON.stringify(data))
48    })
49  }
50
51  onNewWant(want) {
52    Logger.info(TAG, 'SingletonAbility onNewWant')
53    if (want && want.parameters) {
54      let eventData = {
55        data: {
56          "foodItemId": null
57        }
58      }
59      let innerEvent = {
60        eventId,
61        priority: emitter.EventPriority.HIGH
62      }
63      // 对获取到的id进行判断，等于0的话，赋值为1，传到前端，前端根据此id获取对应的数据
64      if (want.parameters.foodItemId == 0) {
65        want.parameters.foodItemId = 1
66        eventData.data.foodItemId = want.parameters.foodItemId
67        emitter.emit(innerEvent, eventData)
68      } else {
69        want.parameters.foodItemId = 0
70        eventData.data.foodItemId = want.parameters.foodItemId
71        emitter.emit(innerEvent, eventData)
72      }
73    }
74  }
75
76  onWindowStageDestroy() {
77    Logger.info(TAG, 'SingletonAbility onWindowStageDestroy')
78  }
79
80  onForeground() {
81    Logger.info(TAG, 'SingletonAbility onForeground')
82  }
83
84  onBackground() {
85    // Ability has back to background
86    Logger.info(TAG, 'SingletonAbility onBackground')
87  }
88}
89