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 { Action, ActionData } from '../actions/Action' 17 18export type ZoomState = { 19 zoomRatio: number, 20 minZoomRatio: number, 21 maxZoomRatio: number, 22 scrollDetailsBox: number, 23 isPhotoZoomDetails: boolean, 24 photoDetailsOffsetX: number, 25 photoDetailsOffsetXInit: number, 26 isShowZoomText: boolean, 27 isShowPressScrollDetailPhotoButton: boolean, 28 showZoomLabelValue: boolean, 29 isShowPinch: boolean, 30} 31 32const initState: ZoomState = { 33 zoomRatio: 1, 34 minZoomRatio: 1, 35 maxZoomRatio: 6, 36 scrollDetailsBox: 32, 37 isPhotoZoomDetails: false, 38 photoDetailsOffsetX: 0, 39 photoDetailsOffsetXInit: 0, 40 isShowZoomText: false, 41 isShowPinch: false, 42 isShowPressScrollDetailPhotoButton: false, 43 showZoomLabelValue: true, 44} 45 46export default function ZoomReducer(state = initState, action: ActionData): ZoomState { 47 switch (action.type) { 48 case Action.ACTION_CHANGE_ZOOM_RATIO: 49 return { ...state, zoomRatio: action.data.zoomRatio } 50 case Action.ACTION_RESET_ZOOM_RATIO: 51 return { ...state, zoomRatio: action.data.zoomRatio } 52 case Action.ACTION_INIT_ZOOM_RATIO: 53 return { ...state, minZoomRatio: action.data.minZoomRatio, maxZoomRatio: action.data.maxZoomRatio } 54 case Action.ACTION_UPDATE_SCROLL_DETAILS_BOX: 55 return { ...state, scrollDetailsBox: action.data.scrollDetailsBox } 56 case Action.ACTION_UPDATE_PHOTO_ZOOM_DETAILS_FLAG: 57 return { ...state, isPhotoZoomDetails: action.data.isPhotoZoomDetails } 58 case Action.ACTION_UPDATE_PHOTO_DETAILS_OFFSET_X: 59 return { ...state, photoDetailsOffsetX: action.data.photoDetailsOffsetX } 60 case Action.ACTION_INIT_PHOTO_DETAILS_OFFSET_X: 61 return { ...state, photoDetailsOffsetXInit: action.data.photoDetailsOffsetXInit } 62 case Action.ACTION_UPDATE_SHOW_ZOOM_TEXT_FLAG: 63 return { ...state, isShowZoomText: action.data.isShowZoomText } 64 case Action.ACTION_UPDATE_SHOW_PRESS_SCROLL_DETAIL_PHOTO_BUTTON: 65 return { ...state, isShowPressScrollDetailPhotoButton: action.data.isShowPressScrollDetailPhotoButton } 66 case Action.ACTION_SHOW_ZOOM_LABEL_VALUE: 67 return { ...state, showZoomLabelValue: action.data.showZoomLabelValue } 68 case Action.ACTION_UPDATE_SHOW_PINCH: 69 return { ...state, isShowPinch: action.data.isShowPinch } 70 default: 71 return state; 72 } 73}