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1/*
2 * Copyright (c) 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 { 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
38class StateStruct {
39  xComponentWidth
40  xComponentHeight
41  updateShowFlashBlackFlag : Function
42}
43
44@Component
45export struct ShowFlashBlack {
46  private TAG: string = '[ShowFlashBlack]:'
47
48  @State state: StateStruct = new StateStruct()
49  @State opacityValue: number = 1
50
51  aboutToAppear() {
52    Log.info(`${this.TAG} aboutToAppear E`)
53    getStore().connect(localState, localDispatcher)(this.state)
54    Log.info(`${this.TAG} aboutToAppear X`)
55  }
56
57  build() {
58    Flex({ direction: FlexDirection.Row }) {
59      Row() {
60        Shape() {
61          Rect()
62            .width(this.state.xComponentWidth)
63            .height(this.state.xComponentHeight)
64        }
65        .fill(Color.Black)
66        .opacity(this.opacityValue)
67        .onAppear(() => {
68          animateTo({
69            duration: 50,
70            delay: 0,
71            onFinish: () => {}
72          }, () => {})
73          animateTo({
74            duration: 300,
75            curve: Curve.Sharp,
76            delay: 50,
77            onFinish: () => {
78              this.state.updateShowFlashBlackFlag(false)
79              this.opacityValue = 1
80            }
81          }, () => {
82            this.opacityValue = 0
83          })
84        })
85      }
86    }
87    .width(this.state.xComponentWidth)
88    .height(this.state.xComponentHeight)
89  }
90}