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Merge pull request #1372 from didi/refactor-web-event
Refactor web event
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100 changes: 100 additions & 0 deletions
100
packages/webpack-plugin/lib/runtime/components/web/event.js
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,100 @@ | ||
| import { extendEvent } from './getInnerListeners' | ||
| import { isBrowser } from '../../env' | ||
|
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| function MpxEvent (layer) { | ||
| this.targetElement = null | ||
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| this.touches = [] | ||
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| this.touchStartX = 0 | ||
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| this.touchStartY = 0 | ||
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| this.startTimer = null | ||
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| this.needTap = true | ||
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| this.isTouchDevice = document && ('ontouchstart' in document.documentElement) | ||
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| this.onTouchStart = (event) => { | ||
| if (event.targetTouches?.length > 1) { | ||
| return true | ||
| } | ||
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| this.touches = event.targetTouches | ||
| this.targetElement = event.target | ||
| this.needTap = true | ||
| this.startTimer = null | ||
| this.touchStartX = this.touches[0].pageX | ||
| this.touchStartY = this.touches[0].pageY | ||
| this.startTimer = setTimeout(() => { | ||
| this.needTap = false | ||
| this.sendEvent(this.targetElement, 'longpress', event) | ||
| this.sendEvent(this.targetElement, 'longtap', event) | ||
| }, 350) | ||
| } | ||
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| this.onTouchMove = (event) => { | ||
| const touch = event.changedTouches[0] | ||
| if (Math.abs(touch.pageX - this.touchStartX) > 1 || Math.abs(touch.pageY - this.touchStartY) > 1) { | ||
| this.needTap = false | ||
| this.startTimer && clearTimeout(this.startTimer) | ||
| this.startTimer = null | ||
| } | ||
| } | ||
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| this.onTouchEnd = (event) => { | ||
| if (event.targetTouches?.length > 1) { | ||
| return true | ||
| } | ||
| this.startTimer && clearTimeout(this.startTimer) | ||
| this.startTimer = null | ||
| if (this.needTap) { | ||
| this.sendEvent(this.targetElement, 'tap', event) | ||
| } | ||
| } | ||
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| this.onClick = (event) => { | ||
| this.targetElement = event.target | ||
| this.sendEvent(this.targetElement, 'tap', event) | ||
| } | ||
| this.sendEvent = (targetElement, type, event) => { | ||
| // eslint-disable-next-line no-undef | ||
| const touchEvent = new TouchEvent(type, { | ||
| view: window, | ||
| bubbles: true, | ||
| cancelable: true | ||
| }) | ||
| const changedTouches = event.changedTouches || [] | ||
| extendEvent(touchEvent, { | ||
| timeStamp: event.timeStamp, | ||
| currentTarget: event.target, | ||
| changedTouches, | ||
| touches: changedTouches, | ||
| detail: { | ||
| // pc端点击事件可能没有changedTouches，所以直接从 event中取 | ||
| x: changedTouches[0]?.pageX || event.pageX || 0, | ||
| y: changedTouches[0]?.pageY || event.pageY || 0 | ||
| } | ||
| }) | ||
| targetElement && targetElement.dispatchEvent(touchEvent) | ||
| } | ||
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| this.addListener = () => { | ||
| if (this.isTouchDevice) { | ||
| layer.addEventListener('touchstart', this.onTouchStart, true) | ||
| layer.addEventListener('touchmove', this.onTouchMove, true) | ||
| layer.addEventListener('touchend', this.onTouchEnd, true) | ||
| } else { | ||
| layer.addEventListener('click', this.onClick, true) | ||
| } | ||
| } | ||
| this.addListener() | ||
| } | ||
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| if (isBrowser) { | ||
| document.addEventListener('DOMContentLoaded', function () { | ||
| // eslint-disable-next-line no-new | ||
| new MpxEvent(document.body) | ||
| }, false) | ||
| } |
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