• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
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 { Log } from '../../utils/Log'
17import getStore from '../../redux/store'
18import { Action } from '../../redux/actions/Action'
19
20let localState = (state) => {
21  return {
22    xComponentWidth: state.PreviewReducer.xComponentWidth,
23    xComponentHeight: state.PreviewReducer.xComponentHeight,
24  }
25}
26
27let localDispatcher = (dispatch) => {
28  return {
29//    updateOpacityValue: (opacityValue) => {
30//      dispatch(Action.updateOpacityValue(opacityValue))
31//    },
32    updateShowFlashBlackFlag: (flag: boolean) => {
33      dispatch(Action.updateShowFlashBlackFlag(flag))
34    }
35  }
36}
37
38@Component
39export struct ShowFlashBlack {
40  private TAG: string = '[ShowFlashBlack]:'
41
42  @State state: any = {}
43  @State opacityValue: number = 1
44
45  aboutToAppear() {
46    Log.info(`${this.TAG} aboutToAppear E`)
47    getStore().connect(localState, localDispatcher)(this.state)
48    Log.info(`${this.TAG} aboutToAppear X`)
49  }
50
51  build() {
52    Flex({ direction: FlexDirection.Row }) {
53      Row() {
54        Shape() {
55          Rect()
56            .width(this.state.xComponentWidth)
57            .height(this.state.xComponentHeight)
58        }
59        .fill(Color.Black)
60        .opacity(this.opacityValue)
61        .onAppear(() => {
62          animateTo({
63            duration: 50,
64            delay: 0,
65            onFinish: () => {}
66          }, () => {})
67          animateTo({
68            duration: 300,
69            curve: Curve.Sharp,
70            delay: 50,
71            onFinish: () => {
72              this.state.updateShowFlashBlackFlag(false)
73              this.opacityValue = 1
74            }
75          }, () => {
76            this.opacityValue = 0
77          })
78        })
79      }
80    }
81    .width(this.state.xComponentWidth)
82    .height(this.state.xComponentHeight)
83  }
84}