44 lines
1.3 KiB
JavaScript
44 lines
1.3 KiB
JavaScript
/* istanbul ignore file */
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import * as dom from './dom/index.js'
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import { swalClasses } from '../utils/classes.js'
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// Fix iOS scrolling http://stackoverflow.com/q/39626302
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export const iOSfix = () => {
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const iOS = (/iPad|iPhone|iPod/.test(navigator.userAgent) && !window.MSStream) || (navigator.platform === 'MacIntel' && navigator.maxTouchPoints > 1)
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if (iOS && !dom.hasClass(document.body, swalClasses.iosfix)) {
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const offset = document.body.scrollTop
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document.body.style.top = `${offset * -1}px`
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dom.addClass(document.body, swalClasses.iosfix)
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lockBodyScroll()
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}
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}
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const lockBodyScroll = () => { // #1246
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const container = dom.getContainer()
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let preventTouchMove
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container.ontouchstart = (e) => {
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preventTouchMove =
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e.target === container ||
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(
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!dom.isScrollable(container) &&
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e.target.tagName !== 'INPUT' // #1603
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)
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}
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container.ontouchmove = (e) => {
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if (preventTouchMove) {
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e.preventDefault()
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e.stopPropagation()
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}
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}
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}
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export const undoIOSfix = () => {
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if (dom.hasClass(document.body, swalClasses.iosfix)) {
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const offset = parseInt(document.body.style.top, 10)
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dom.removeClass(document.body, swalClasses.iosfix)
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document.body.style.top = ''
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document.body.scrollTop = (offset * -1)
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}
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}
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