parare.on('scroll', function() {
const that = this
paraetail.scrollTo(that.x, 0)
})
paraetail.on('scroll', function() {
const that = this
parare.scrollTo(that.x, 0)
})
/*! iScroll v5.2.0-snapshot ~ (c) 2008-2017 Matteo Spinelli ~ http://cubiq.org/license */
/* 2021/09/17/ 在iscroll-lite基础上 增加scroll方法 和官网的iscroll-lite有区别 */
;(function(window, document, Math) {
var rAF =
window.requestAnimationFrame ||
window.webkitRequestAnimationFrame ||
window.mozRequestAnimationFrame ||
window.oRequestAnimationFrame ||
window.msRequestAnimationFrame ||
function(callback) {
window.setTimeout(callback, 1000 / 60)
}
var utils = (function() {
var me = {}
var _elementStyle = document.createElement('div').style
var _vendor = (function() {
var vendors = ['t', 'webkitT', 'MozT', 'msT', 'OT'],
transform,
i = 0,
l = vendors.length
for (; i < l; i++) {
transform = vendors[i] + 'ransform'
if (transform in _elementStyle)
return vendors[i].substr(0, vendors[i].length - 1)
}
return false
})()
function _prefixStyle(style) {
if (_vendor === false) return false
if (_vendor === '') return style
return _vendor + style.charAt(0).toUpperCase() + style.substr(1)
}
me.getTime =
Date.now ||
function getTime() {
return new Date().getTime()
}
me.extend = function(target, obj) {
for (var i in obj) {
target[i] = obj[i]
}
}
me.addEvent = function(el, type, fn, capture) {
el.addEventListener(type, fn, !!capture)
}
me.removeEvent = function(el, type, fn, capture) {
el.removeEventListener(type, fn, !!capture)
}
me.prefixPointerEvent = function(pointerEvent) {
return window.MSPointerEvent
? 'MSPointer' +
pointerEvent.charAt(7).toUpperCase() +
pointerEvent.substr(8)
: pointerEvent
}
me.momentum = function(
current,
start,
time,
lowerMargin,
wrapperSize,
deceleration
) {
var distance = current - start,
speed = Math.abs(distance) / time,
destination,
duration
deceleration = deceleration === undefined ? 0.0006 : deceleration
destination =
current +
((speed * speed) / (2 * deceleration)) * (distance < 0 ? -1 : 1)
duration = speed / deceleration
if (destination < lowerMargin) {
destination = wrapperSize
? lowerMargin - (wrapperSize / 2.5) * (speed / 8)
: lowerMargin
distance = Math.abs(destination - current)
duration = distance / speed
} else if (destination > 0) {
destination = wrapperSize ? (wrapperSize / 2.5) * (speed / 8) : 0
distance = Math.abs(current) + destination
duration = distance / speed
}
return {
destination: Math.round(destination),
duration: duration
}
}
var _transform = _prefixStyle('transform')
me.extend(me, {
hasTransform: _transform !== false,
hasPerspective: _prefixStyle('perspective') in _elementStyle,
hasTouch: 'ontouchstart' in window,
hasPointer: !!(window.PointerEvent || window.MSPointerEvent), // IE10 is prefixed
hasTransition: _prefixStyle('transition') in _elementStyle
})
/*
This should find all Android browsers lower than build 535.19 (both stock browser and webview)
- galaxy S2 is ok
- 2.3.6 : `AppleWebKit/533.1 (KHTML, like Gecko) Version/4.0 Mobile Safari/533.1`
- 4.0.4 : `AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30`
- galaxy S3 is badAndroid (stock brower, webview)
`AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30`
- galaxy S4 is badAndroid (stock brower, webview)
`AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30`
- galaxy S5 is OK
`AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Mobile Safari/537.36 (Chrome/)`
- galaxy S6 is OK
`AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Mobile Safari/537.36 (Chrome/)`
*/
me.isBadAndroid = (function() {
var appVersion = window.navigator.appVersion
// Android browser is not a chrome browser.
if (/Android/.test(appVersion) && !/Chrome\/\d/.test(appVersion)) {
var safariVersion = appVersion.match(/Safari\/(\d+.\d)/)
if (
safariVersion &&
typeof safariVersion === 'object' &&
safariVersion.length >= 2
) {
return parseFloat(safariVersion[1]) < 535.19
} else {
return true
}
} else {
return false
}
})()
me.extend((me.style = {}), {
transform: _transform,
transitionTimingFunction: _prefixStyle('transitionTimingFunction'),
transitionDuration: _prefixStyle('transitionDuration'),
transitionDelay: _prefixStyle('transitionDelay'),
transformOrigin: _prefixStyle('transformOrigin'),
touchAction: _prefixStyle('touchAction')
})
me.hasClass = function(e, c) {
var re = new RegExp('(^|\\s)' + c + '(\\s|$)')
return re.test(e.className)
}
me.addClass = function(e, c) {
if (me.hasClass(e, c)) {
return
}
var newclass = e.className.split(' ')
newclass.push(c)
e.className = newclass.join(' ')
}
me.removeClass = function(e, c) {
if (!me.hasClass(e, c)) {
return
}
var re = new RegExp('(^|\\s)' + c + '(\\s|$)', 'g')
e.className = e.className.replace(re, ' ')
}
me.offset = function(el) {
var left = -el.offsetLeft,
top = -el.offsetTop
// jshint -W084
while ((el = el.offsetParent)) {
left -= el.offsetLeft
top -= el.offsetTop
}
// jshint +W084
return {
left: left,
top: top
}
}
me.preventDefaultException = function(el, exceptions) {
for (var i in exceptions) {
if (exceptions[i].test(el[i])) {
return true
}
}
return false
}
me.extend((me.eventType = {}), {
touchstart: 1,
touchmove: 1,
touchend: 1,
mousedown: 2,
mousemove: 2,
mouseup: 2,
pointerdown: 3,
pointermove: 3,
pointerup: 3,
MSPointerDown: 3,
MSPointerMove: 3,
MSPointerUp: 3
})
me.extend((me.ease = {}), {
quadratic: {
style: 'cubic-bezier(0.25, 0.46, 0.45, 0.94)',
fn: function(k) {
return k * (2 - k)
}
},
circular: {
style: 'cubic-bezier(0.1, 0.57, 0.1, 1)', // Not properly "circular" but this looks better, it should be (0.075, 0.82, 0.165, 1)
fn: function(k) {
return Math.sqrt(1 - --k * k)
}
},
back: {
style: 'cubic-bezier(0.175, 0.885, 0.32, 1.275)',
fn: function(k) {
var b = 4
return (k = k - 1) * k * ((b + 1) * k + b) + 1
}
},
bounce: {
style: '',
fn: function(k) {
if ((k /= 1) < 1 / 2.75) {
return 7.5625 * k * k
} else if (k < 2 / 2.75) {
return 7.5625 * (k -= 1.5 / 2.75) * k + 0.75
} else if (k < 2.5 / 2.75) {
return 7.5625 * (k -= 2.25 / 2.75) * k + 0.9375
} else {
return 7.5625 * (k -= 2.625 / 2.75) * k + 0.984375
}
}
},
elastic: {
style: '',
fn: function(k) {
var f = 0.22,
e = 0.4
if (k === 0) {
return 0
}
if (k == 1) {
return 1
}
return (
e *
Math.pow(2, -10 * k) *
Math.sin(((k - f / 4) * (2 * Math.PI)) / f) +
1
)
}
}
})
me.tap = function(e, eventName) {
var ev = document.createEvent('Event')
ev.initEvent(eventName, true, true)
ev.pageX = e.pageX
ev.pageY = e.pageY
e.target.dispatchEvent(ev)
}
me.click = function(e) {
var target = e.target,
ev
if (!/(SELECT|INPUT|TEXTAREA)/i.test(target.tagName)) {
// https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/initMouseEvent
// initMouseEvent is deprecated.
ev = document.createEvent(window.MouseEvent ? 'MouseEvents' : 'Event')
ev.initEvent('click', true, true)
ev.view = e.view || window
ev.detail = 1
ev.screenX = target.screenX || 0
ev.screenY = target.screenY || 0
ev.clientX = target.clientX || 0
ev.clientY = target.clientY || 0
ev.ctrlKey = !!e.ctrlKey
ev.altKey = !!e.altKey
ev.shiftKey = !!e.shiftKey
ev.metaKey = !!e.metaKey
ev.button = 0
ev.relatedTarget = null
ev._constructed = true
target.dispatchEvent(ev)
}
}
me.getTouchAction = function(eventPassthrough, addPinch) {
var touchAction = 'none'
if (eventPassthrough === 'vertical') {
touchAction = 'pan-y'
} else if (eventPassthrough === 'horizontal') {
touchAction = 'pan-x'
}
if (addPinch && touchAction != 'none') {
// add pinch-zoom support if the browser supports it, but if not (eg. Chrome <55) do nothing
touchAction += ' pinch-zoom'
}
return touchAction
}
me.getRect = function(el) {
if (el instanceof SVGElement) {
var rect = el.getBoundingClientRect()
return {
top: rect.top,
left: rect.left,
width: rect.width,
height: rect.height
}
} else {
return {
top: el.offsetTop,
left: el.offsetLeft,
width: el.offsetWidth,
height: el.offsetHeight
}
}
}
return me
})()
function IScroll(el, options) {
this.wrapper = typeof el == 'string' ? document.querySelector(el) : el
this.scroller = this.wrapper.children[0]
this.scrollerStyle = this.scroller.style // cache style for better performance
this.options = {
resizeScrollbars: true,
mouseWheelSpeed: 20,
snapThreshold: 0.334,
// INSERT POINT: OPTIONS
disablePointer: !utils.hasPointer,
disableTouch: utils.hasPointer || !utils.hasTouch,
disableMouse: utils.hasPointer || utils.hasTouch,
startX: 0,
startY: 0,
scrollY: true,
directionLockThreshold: 5,
momentum: true,
bounce: true,
bounceTime: 600,
bounceEasing: '',
preventDefault: true,
preventDefaultException: { tagName: /^(INPUT|TEXTAREA|BUTTON|SELECT)$/ },
HWCompositing: true,
useTransition: true,
useTransform: true,
bindToWrapper: typeof window.onmousedown === 'undefined'
}
for (var i in options) {
this.options[i] = options[i]
}
// Normalize options
this.translateZ =
this.options.HWCompositing && utils.hasPerspective ? ' translateZ(0)' : ''
this.options.useTransition =
utils.hasTransition && this.options.useTransition
this.options.useTransform = utils.hasTransform && this.options.useTransform
this.options.eventPassthrough =
this.options.eventPassthrough === true
? 'vertical'
: this.options.eventPassthrough
this.options.preventDefault =
!this.options.eventPassthrough && this.options.preventDefault
// If you want eventPassthrough I have to lock one of the axes
this.options.scrollY =
this.options.eventPassthrough == 'vertical' ? false : this.options.scrollY
this.options.scrollX =
this.options.eventPassthrough == 'horizontal'
? false
: this.options.scrollX
// With eventPassthrough we also need lockDirection mechanism
this.options.freeScroll =
this.options.freeScroll && !this.options.eventPassthrough
this.options.directionLockThreshold = this.options.eventPassthrough
? 0
: this.options.directionLockThreshold
this.options.bounceEasing =
typeof this.options.bounceEasing == 'string'
? utils.ease[this.options.bounceEasing] || utils.ease.circular
: this.options.bounceEasing
this.options.resizePolling =
this.options.resizePolling === undefined ? 60 : this.options.resizePolling
if (this.options.tap === true) {
this.options.tap = 'tap'
}
// https://github.com/cubiq/iscroll/issues/1029
if (!this.options.useTransition && !this.options.useTransform) {
if (!/relative|absolute/i.test(this.scrollerStyle.position)) {
this.scrollerStyle.position = 'relative'
}
}
if (this.options.shrinkScrollbars == 'scale') {
this.options.useTransition = false
}
this.options.invertWheelDirection = this.options.invertWheelDirection
? -1
: 1
if (this.options.probeType == 3) {
this.options.useTransition = false
}
// INSERT POINT: NORMALIZATION
// Some defaults
this.x = 0
this.y = 0
this.directionX = 0
this.directionY = 0
this._events = {}
// INSERT POINT: DEFAULTS
this._init()
this.refresh()
this.scrollTo(this.options.startX, this.options.startY)
this.enable()
}
IScroll.prototype = {
version: '5.2.0-snapshot',
_init: function() {
this._initEvents()
// INSERT POINT: _init
},
destroy: function() {
this._initEvents(true)
clearTimeout(this.resizeTimeout)
this.resizeTimeout = null
this._execEvent('destroy')
},
_transitionEnd: function(e) {
if (e.target != this.scroller || !this.isInTransition) {
return
}
this._transitionTime()
if (!this.resetPosition(this.options.bounceTime)) {
this.isInTransition = false
this._execEvent('scrollEnd')
}
},
_start: function(e) {
// React to left mouse button only
if (utils.eventType[e.type] != 1) {
// for button property
// http://unixpapa.com/js/mouse.html
var button
if (!e.which) {
/* IE case */
button = e.button < 2 ? 0 : e.button == 4 ? 1 : 2
} else {
/* All others */
button = e.button
}
if (button !== 0) {
return
}
}
if (
!this.enabled ||
(this.initiated && utils.eventType[e.type] !== this.initiated)
) {
return
}
if (
this.options.preventDefault &&
!utils.isBadAndroid &&
!utils.preventDefaultException(
e.target,
this.options.preventDefaultException
)
) {
e.preventDefault()
}
var point = e.touches ? e.touches[0] : e,
pos
this.initiated = utils.eventType[e.type]
this.moved = false
this.distX = 0
this.distY = 0
this.directionX = 0
this.directionY = 0
this.directionLocked = 0
this.startTime = utils.getTime()
if (this.options.useTransition && this.isInTransition) {
this._transitionTime()
this.isInTransition = false
pos = this.getComputedPosition()
this._translate(Math.round(pos.x), Math.round(pos.y))
this._execEvent('scrollEnd')
} else if (!this.options.useTransition && this.isAnimating) {
this.isAnimating = false
this._execEvent('scrollEnd')
}
this.startX = this.x
this.startY = this.y
this.absStartX = this.x
this.absStartY = this.y
this.pointX = point.pageX
this.pointY = point.pageY
this._execEvent('beforeScrollStart')
},
_move: function(e) {
if (!this.enabled || utils.eventType[e.type] !== this.initiated) {
return
}
if (this.options.preventDefault) {
// increases performance on Android? TODO: check!
e.preventDefault()
}
var point = e.touches ? e.touches[0] : e,
deltaX = point.pageX - this.pointX,
deltaY = point.pageY - this.pointY,
timestamp = utils.getTime(),
newX,
newY,
absDistX,
absDistY
this.pointX = point.pageX
this.pointY = point.pageY
this.distX += deltaX
this.distY += deltaY
absDistX = Math.abs(this.distX)
absDistY = Math.abs(this.distY)
// We need to move at least 10 pixels for the scrolling to initiate
if (timestamp - this.endTime > 300 && absDistX < 10 && absDistY < 10) {
return
}
// If you are scrolling in one direction lock the other
if (!this.directionLocked && !this.options.freeScroll) {
if (absDistX > absDistY + this.options.directionLockThreshold) {
this.directionLocked = 'h' // lock horizontally
} else if (absDistY >= absDistX + this.options.directionLockThreshold) {
this.directionLocked = 'v' // lock vertically
} else {
this.directionLocked = 'n' // no lock
}
}
if (this.directionLocked == 'h') {
if (this.options.eventPassthrough == 'vertical') {
e.preventDefault()
} else if (this.options.eventPassthrough == 'horizontal') {
this.initiated = false
return
}
deltaY = 0
} else if (this.directionLocked == 'v') {
if (this.options.eventPassthrough == 'horizontal') {
e.preventDefault()
} else if (this.options.eventPassthrough == 'vertical') {
this.initiated = false
return
}
deltaX = 0
}
deltaX = this.hasHorizontalScroll ? deltaX : 0
deltaY = this.hasVerticalScroll ? deltaY : 0
newX = this.x + deltaX
newY = this.y + deltaY
// Slow down if outside of the boundaries
if (newX > 0 || newX < this.maxScrollX) {
newX = this.options.bounce
? this.x + deltaX / 3
: newX > 0
? 0
: this.maxScrollX
}
if (newY > 0 || newY < this.maxScrollY) {
newY = this.options.bounce
? this.y + deltaY / 3
: newY > 0
? 0
: this.maxScrollY
}
this.directionX = deltaX > 0 ? -1 : deltaX < 0 ? 1 : 0
this.directionY = deltaY > 0 ? -1 : deltaY < 0 ? 1 : 0
if (!this.moved) {
this._execEvent('scrollStart')
}
this.moved = true
this._translate(newX, newY)
/* REPLACE START: _move */
if (timestamp - this.startTime > 300) {
this.startTime = timestamp
this.startX = this.x
this.startY = this.y
if (this.options.probeType == 1) {
this._execEvent('scroll')
}
}
if (this.options.probeType > 1) {
this._execEvent('scroll')
}
/* REPLACE END: _move */
},
_end: function(e) {
if (!this.enabled || utils.eventType[e.type] !== this.initiated) {
return
}
if (
this.options.preventDefault &&
!utils.preventDefaultException(
e.target,
this.options.preventDefaultException
)
) {
e.preventDefault()
}
var point = e.changedTouches ? e.changedTouches[0] : e,
momentumX,
momentumY,
duration = utils.getTime() - this.startTime,
newX = Math.round(this.x),
newY = Math.round(this.y),
distanceX = Math.abs(newX - this.startX),
distanceY = Math.abs(newY - this.startY),
time = 0,
easing = ''
this.isInTransition = 0
this.initiated = 0
this.endTime = utils.getTime()
// reset if we are outside of the boundaries
if (this.resetPosition(this.options.bounceTime)) {
return
}
this.scrollTo(newX, newY) // ensures that the last position is rounded
// we scrolled less than 10 pixels
if (!this.moved) {
if (this.options.tap) {
utils.tap(e, this.options.tap)
}
if (this.options.click) {
utils.click(e)
}
this._execEvent('scrollCancel')
return
}
if (
this._events.flick &&
duration < 200 &&
distanceX < 100 &&
distanceY < 100
) {
this._execEvent('flick')
return
}
// start momentum animation if needed
if (this.options.momentum && duration < 300) {
momentumX = this.hasHorizontalScroll
? utils.momentum(
this.x,
this.startX,
duration,
this.maxScrollX,
this.options.bounce ? this.wrapperWidth : 0,
this.options.deceleration
)
: { destination: newX, duration: 0 }
momentumY = this.hasVerticalScroll
? utils.momentum(
this.y,
this.startY,
duration,
this.maxScrollY,
this.options.bounce ? this.wrapperHeight : 0,
this.options.deceleration
)
: { destination: newY, duration: 0 }
newX = momentumX.destination
newY = momentumY.destination
time = Math.max(momentumX.duration, momentumY.duration)
this.isInTransition = 1
}
// INSERT POINT: _end
if (newX != this.x || newY != this.y) {
// change easing function when scroller goes out of the boundaries
if (
newX > 0 ||
newX < this.maxScrollX ||
newY > 0 ||
newY < this.maxScrollY
) {
easing = utils.ease.quadratic
}
this.scrollTo(newX, newY, time, easing)
return
}
this._execEvent('scrollEnd')
},
_resize: function() {
var that = this
clearTimeout(this.resizeTimeout)
this.resizeTimeout = setTimeout(function() {
that.refresh()
}, this.options.resizePolling)
},
resetPosition: function(time) {
var x = this.x,
y = this.y
time = time || 0
if (!this.hasHorizontalScroll || this.x > 0) {
x = 0
} else if (this.x < this.maxScrollX) {
x = this.maxScrollX
}
if (!this.hasVerticalScroll || this.y > 0) {
y = 0
} else if (this.y < this.maxScrollY) {
y = this.maxScrollY
}
if (x == this.x && y == this.y) {
return false
}
this.scrollTo(x, y, time, this.options.bounceEasing)
return true
},
disable: function() {
this.enabled = false
},
enable: function() {
this.enabled = true
},
refresh: function() {
utils.getRect(this.wrapper) // Force reflow
this.wrapperWidth = this.wrapper.clientWidth
this.wrapperHeight = this.wrapper.clientHeight
var rect = utils.getRect(this.scroller)
/* REPLACE START: refresh */
this.scrollerWidth = rect.width
this.scrollerHeight = rect.height
this.maxScrollX = this.wrapperWidth - this.scrollerWidth
this.maxScrollY = this.wrapperHeight - this.scrollerHeight
/* REPLACE END: refresh */
this.hasHorizontalScroll = this.options.scrollX && this.maxScrollX < 0
this.hasVerticalScroll = this.options.scrollY && this.maxScrollY < 0
if (!this.hasHorizontalScroll) {
this.maxScrollX = 0
this.scrollerWidth = this.wrapperWidth
}
if (!this.hasVerticalScroll) {
this.maxScrollY = 0
this.scrollerHeight = this.wrapperHeight
}
this.endTime = 0
this.directionX = 0
this.directionY = 0
if (utils.hasPointer && !this.options.disablePointer) {
// The wrapper should have `touchAction` property for using pointerEvent.
this.wrapper.style[utils.style.touchAction] = utils.getTouchAction(
this.options.eventPassthrough,
true
)
// case. not support 'pinch-zoom'
// https://github.com/cubiq/iscroll/issues/1118#issuecomment-270057583
if (!this.wrapper.style[utils.style.touchAction]) {
this.wrapper.style[utils.style.touchAction] = utils.getTouchAction(
this.options.eventPassthrough,
false
)
}
}
this.wrapperOffset = utils.offset(this.wrapper)
this._execEvent('refresh')
this.resetPosition()
// INSERT POINT: _refresh
},
on: function(type, fn) {
if (!this._events[type]) {
this._events[type] = []
}
this._events[type].push(fn)
},
off: function(type, fn) {
if (!this._events[type]) {
return
}
var index = this._events[type].indexOf(fn)
if (index > -1) {
this._events[type].splice(index, 1)
}
},
_execEvent: function(type) {
if (!this._events[type]) {
return
}
var i = 0,
l = this._events[type].length
if (!l) {
return
}
for (; i < l; i++) {
this._events[type][i].apply(this, [].slice.call(arguments, 1))
}
},
scrollBy: function(x, y, time, easing) {
x = this.x + x
y = this.y + y
time = time || 0
this.scrollTo(x, y, time, easing)
},
scrollTo: function(x, y, time, easing) {
easing = easing || utils.ease.circular
this.isInTransition = this.options.useTransition && time > 0
var transitionType = this.options.useTransition && easing.style
if (!time || transitionType) {
if (transitionType) {
this._transitionTimingFunction(easing.style)
this._transitionTime(time)
}
this._translate(x, y)
} else {
this._animate(x, y, time, easing.fn)
}
},
scrollToElement: function(el, time, offsetX, offsetY, easing) {
el = el.nodeType ? el : this.scroller.querySelector(el)
if (!el) {
return
}
var pos = utils.offset(el)
pos.left -= this.wrapperOffset.left
pos.top -= this.wrapperOffset.top
// if offsetX/Y are true we center the element to the screen
var elRect = utils.getRect(el)
var wrapperRect = utils.getRect(this.wrapper)
if (offsetX === true) {
offsetX = Math.round(elRect.width / 2 - wrapperRect.width / 2)
}
if (offsetY === true) {
offsetY = Math.round(elRect.height / 2 - wrapperRect.height / 2)
}
pos.left -= offsetX || 0
pos.top -= offsetY || 0
pos.left =
pos.left > 0
? 0
: pos.left < this.maxScrollX
? this.maxScrollX
: pos.left
pos.top =
pos.top > 0 ? 0 : pos.top < this.maxScrollY ? this.maxScrollY : pos.top
time =
time === undefined || time === null || time === 'auto'
? Math.max(Math.abs(this.x - pos.left), Math.abs(this.y - pos.top))
: time
this.scrollTo(pos.left, pos.top, time, easing)
},
_transitionTime: function(time) {
if (!this.options.useTransition) {
return
}
time = time || 0
var durationProp = utils.style.transitionDuration
if (!durationProp) {
return
}
this.scrollerStyle[durationProp] = time + 'ms'
if (!time && utils.isBadAndroid) {
this.scrollerStyle[durationProp] = '0.0001ms'
// remove 0.0001ms
var self = this
rAF(function() {
if (self.scrollerStyle[durationProp] === '0.0001ms') {
self.scrollerStyle[durationProp] = '0s'
}
})
}
// INSERT POINT: _transitionTime
},
_transitionTimingFunction: function(easing) {
this.scrollerStyle[utils.style.transitionTimingFunction] = easing
// INSERT POINT: _transitionTimingFunction
},
_translate: function(x, y) {
if (this.options.useTransform) {
/* REPLACE START: _translate */
this.scrollerStyle[utils.style.transform] =
'translate(' + x + 'px,' + y + 'px)' + this.translateZ
/* REPLACE END: _translate */
} else {
x = Math.round(x)
y = Math.round(y)
this.scrollerStyle.left = x + 'px'
this.scrollerStyle.top = y + 'px'
}
this.x = x
this.y = y
// INSERT POINT: _translate
},
_initEvents: function(remove) {
var eventType = remove ? utils.removeEvent : utils.addEvent,
target = this.options.bindToWrapper ? this.wrapper : window
eventType(window, 'orientationchange', this)
eventType(window, 'resize', this)
if (this.options.click) {
eventType(this.wrapper, 'click', this, true)
}
if (!this.options.disableMouse) {
eventType(this.wrapper, 'mousedown', this)
eventType(target, 'mousemove', this)
eventType(target, 'mousecancel', this)
eventType(target, 'mouseup', this)
}
if (utils.hasPointer && !this.options.disablePointer) {
eventType(this.wrapper, utils.prefixPointerEvent('pointerdown'), this)
eventType(target, utils.prefixPointerEvent('pointermove'), this)
eventType(target, utils.prefixPointerEvent('pointercancel'), this)
eventType(target, utils.prefixPointerEvent('pointerup'), this)
}
if (utils.hasTouch && !this.options.disableTouch) {
eventType(this.wrapper, 'touchstart', this)
eventType(target, 'touchmove', this)
eventType(target, 'touchcancel', this)
eventType(target, 'touchend', this)
}
eventType(this.scroller, 'transitionend', this)
eventType(this.scroller, 'webkitTransitionEnd', this)
eventType(this.scroller, 'oTransitionEnd', this)
eventType(this.scroller, 'MSTransitionEnd', this)
},
getComputedPosition: function() {
var matrix = window.getComputedStyle(this.scroller, null),
x,
y
if (this.options.useTransform) {
matrix = matrix[utils.style.transform].split(')')[0].split(', ')
x = +(matrix[12] || matrix[4])
y = +(matrix[13] || matrix[5])
} else {
x = +matrix.left.replace(/[^-\d.]/g, '')
y = +matrix.top.replace(/[^-\d.]/g, '')
}
return { x: x, y: y }
},
_animate: function(destX, destY, duration, easingFn) {
var that = this,
startX = this.x,
startY = this.y,
startTime = utils.getTime(),
destTime = startTime + duration
function step() {
var now = utils.getTime(),
newX,
newY,
easing
if (now >= destTime) {
that.isAnimating = false
that._translate(destX, destY)
if (!that.resetPosition(that.options.bounceTime)) {
that._execEvent('scrollEnd')
}
return
}
now = (now - startTime) / duration
easing = easingFn(now)
newX = (destX - startX) * easing + startX
newY = (destY - startY) * easing + startY
that._translate(newX, newY)
if (that.isAnimating) {
rAF(step)
}
if (that.options.probeType == 3) {
that._execEvent('scroll')
}
}
this.isAnimating = true
step()
},
handleEvent: function(e) {
switch (e.type) {
case 'touchstart':
case 'pointerdown':
case 'MSPointerDown':
case 'mousedown':
this._start(e)
break
case 'touchmove':
case 'pointermove':
case 'MSPointerMove':
case 'mousemove':
this._move(e)
break
case 'touchend':
case 'pointerup':
case 'MSPointerUp':
case 'mouseup':
case 'touchcancel':
case 'pointercancel':
case 'MSPointerCancel':
case 'mousecancel':
this._end(e)
break
case 'orientationchange':
case 'resize':
this._resize()
break
case 'transitionend':
case 'webkitTransitionEnd':
case 'oTransitionEnd':
case 'MSTransitionEnd':
this._transitionEnd(e)
break
case 'wheel':
case 'DOMMouseScroll':
case 'mousewheel':
this._wheel(e)
break
case 'keydown':
this._key(e)
break
case 'click':
if (this.enabled && !e._constructed) {
e.preventDefault()
e.stopPropagation()
}
break
}
}
}
IScroll.utils = utils
if (typeof module != 'undefined' && module.exports) {
module.exports = IScroll
} else if (typeof define == 'function' && define.amd) {
define(function() {
return IScroll
})
} else {
window.IScroll = IScroll
}
})(window, document, Math)
网友评论