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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 | import { defineComponentHOC, Doraemon, Component, Prop } from '@doraemon-ui/miniprogram.core-js' import { getSystemInfoSync, getMenuButtonBoundingClientRectSync } from '@doraemon-ui/miniprogram.shared' const { classNames, styleToCssString } = Doraemon.util export type SafeAreaStyle = 'default' | 'navBar' | 'statusBar' export function getSafeAreaInset(safeAreaStyle: SafeAreaStyle = 'default') { // StatusBar & NavBar const isDefault = ['default', 'navBar'].includes(safeAreaStyle) // iPhoneX 竖屏安全区域 const safeAreaInset = { top: isDefault ? 88 : 44, // StatusBar & NavBar left: 0, right: 0, bottom: 34, // Home Indicator } try { const menuRect = getMenuButtonBoundingClientRectSync() const windowInfo = getSystemInfoSync(['window', 'device']) const { safeArea, screenHeight, windowHeight } = windowInfo const isIOS = !!(windowInfo.system.toLowerCase().search('ios') + 1) // 状态栏高度 const statusBarHeight = !windowInfo.statusBarHeight ? screenHeight - windowHeight - 20 : windowInfo.statusBarHeight // 胶囊高度 const navBarHeight = (menuRect.top - statusBarHeight) * 2 + menuRect.height // 下方扩展 4 像素高度, 防止下方边距太小 const navBarExtendHeight = windowInfo.statusBarHeight && isIOS ? 4 : 0 safeAreaInset.top = isDefault ? statusBarHeight + navBarHeight + navBarExtendHeight : Math.max(statusBarHeight, safeAreaInset.top) safeAreaInset.bottom = screenHeight - safeArea.bottom } catch (e) { /** Ignore */ } return safeAreaInset } export const checkIPhoneX = ({ model, windowHeight, windowWidth }) => { return /iphone (x|12|13|14)/.test(model.toLowerCase()) || (windowHeight >= 812 && windowHeight / windowWidth > 2) } export type SafeAreaConfig = { top: boolean bottom: boolean } export type SafeAreaProp = boolean | 'top' | 'bottom' | SafeAreaConfig export const defaultSafeArea: SafeAreaConfig = { top: false, bottom: false, } export const getSafeAreaConfig = (params: SafeAreaProp): SafeAreaConfig => { if (typeof params === 'boolean') { return Object.assign({}, defaultSafeArea, { top: params, bottom: params, }) } else if (params !== null && typeof params === 'object') { return Object.assign({}, defaultSafeArea, params) } else if (typeof params === 'string') { return Object.assign({}, defaultSafeArea, { [params]: true, }) } return Object.assign({}, defaultSafeArea) } @Component({ props: { prefixCls: { type: String, default: 'dora-safe-area', }, }, }) class SafeArea extends Doraemon { /** * 自定义类名前缀 * * @type {string} * @memberof SafeArea */ prefixCls!: string /** * 是否开启安全区适配 * * @type {SafeAreaProp} * @memberof SafeArea */ @Prop({ type: [Boolean, String, Object], default: () => ({ ...defaultSafeArea }), }) safeArea: SafeAreaProp /** * 安全区的范围,当其值为 default 或 navBar,顶部计算的安全区包含 StatusBar & NavBar * * @type {ESafeAreaStyle} * @memberof SafeArea */ @Prop({ type: String, default: 'default', }) safeAreaStyle: SafeAreaStyle /** * 当其值为 false 时,组件内部会判断是否刘海屏,进而计算出安全区的距离 * * @type {boolean} * @memberof SafeArea */ @Prop({ type: Boolean, default: false, }) forceRender: boolean /** * 使用 css 的 @supports 属性适配安全区 * * @type {boolean} * @memberof SafeArea */ @Prop({ type: Boolean, default: false, }) supports: boolean /** * 自定义样式 * * @type {object} * @memberof SafeArea */ @Prop({ type: Object, default: null, }) wrapStyle: object /** * 组件样式 * * @readonly * @memberof SafeArea */ get extStyle () { const { safeArea, safeAreaStyle, forceRender, supports, wrapStyle, isIPhoneX } = this const safeAreaConfig = getSafeAreaConfig(safeArea) const position = safeAreaConfig.bottom ? 'bottom' : safeAreaConfig.top ? 'top' : 'none' let varStyle = '' if ( (forceRender || isIPhoneX) && !supports && ['bottom', 'top'].includes(position) ) { const safeAreaInset = getSafeAreaInset(safeAreaStyle) varStyle = `--inset-top: ${safeAreaInset.top}PX;` varStyle += `--inset-bottom: ${safeAreaInset.bottom}PX;` } return styleToCssString( varStyle + styleToCssString(wrapStyle) ) } get classes () { const { prefixCls, forceRender, supports, safeArea, isIPhoneX } = this const safeAreaConfig = getSafeAreaConfig(safeArea) const wrap = classNames(prefixCls, { [`${prefixCls}--position-bottom`]: (forceRender || isIPhoneX) && safeAreaConfig.bottom, [`${prefixCls}--position-top`]: (forceRender || isIPhoneX) && !safeAreaConfig.bottom, [`${prefixCls}--supports`]: (forceRender || isIPhoneX) && supports, }) return { wrap, } } /** * 内部判断是否刘海屏 * * @readonly * @memberof SafeArea */ get isIPhoneX() { const windowInfo = getSystemInfoSync(['window', 'device']) return checkIPhoneX(windowInfo) } } export default defineComponentHOC()(SafeArea) |