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 type { ActionData } from '../actions/Action'; 17import { Action } from '../actions/Action'; 18 19export type PreviewState = { 20 surfaceId: number, 21 xComponentWidth: number, 22 xComponentHeight: number, 23 isShowPreview: boolean, 24 isShowFlashBlack: boolean, 25} 26 27const initState: PreviewState = { 28 surfaceId: 0, 29 xComponentWidth: 0, 30 xComponentHeight: 0, 31 isShowPreview: false, 32 isShowFlashBlack: false, 33} 34 35export function previewReducer(state = initState, action: ActionData): PreviewState { 36 switch (action.type) { 37 case Action.ACTION_UPDATE_SURFACE_ID: 38 return { ...state, surfaceId: action.data.surfaceId }; 39 case Action.ACTION_PREPARE_SURFACE: 40 return { ...state, surfaceId: action.data.surfaceId }; 41 case Action.ACTION_CHANGE_X_COMPONENT_SIZE: 42 return { ...state, xComponentWidth: action.data.xComponentWidth, xComponentHeight: action.data.xComponentHeight }; 43 case Action.ACTION_UPDATE_SHOW_PREVIEW_FLAG: 44 return { ...state, isShowPreview: action.data.isShowPreview }; 45 case Action.ACTION_UPDATE_SHOW_FLASH_BLACK_FLAG: 46 return { ...state, isShowFlashBlack: action.data.isShowFlashBlack }; 47 default: 48 return state; 49 } 50}