73 lines
1.9 KiB
CoffeeScript
73 lines
1.9 KiB
CoffeeScript
###!
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Copyright (c) 2013 Derek Petersen https://github.com/tuxracer/touchclick MIT License
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https://raw2.github.com/tuxracer/touchclick/3.0.1/src/touchclick.coffee
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###
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$ = if typeof jQuery is 'function' then jQuery else require 'jquery'
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activeClass = 'touchactive'
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preventDefaultClick = false
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# Store a timestamp of when the last touch event occurred
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lastTouched = 0
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# Support devices with both touch and mouse (e.g. Windows 8, Chromebook Pixel)
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ignoreEvent = (e) ->
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currentTimestamp = Math.round (new Date()).getTime() / 1000
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secondsSinceTouch = currentTimestamp - lastTouched
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if e.type.match 'touchstart|touchmove|touchend'
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lastTouched = currentTimestamp
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secondsSinceTouch < 3 and e.type.match 'mouse'
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getTouchclickEl = (target) ->
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$targetEl = $ target
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# For delegated events you can optionally provide an element
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# that will have the active style added when touch is active
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# by adding data-touchclick="true"
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$touchclickEl = $targetEl.closest '*[data-touchclick="true"]'
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if $touchclickEl.length
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$touchclickEl
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else
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$targetEl
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touchstart = (e) ->
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getTouchclickEl(e.target).addClass(activeClass) unless ignoreEvent e
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touchmove = (e) ->
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getTouchclickEl(e.target).removeClass(activeClass)
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touchend = (e) ->
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$touchclickEl = getTouchclickEl e.target
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if $touchclickEl.hasClass(activeClass) and not ignoreEvent e
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e.type = 'touchclick'
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$touchclickEl
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.trigger(e)
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.removeClass(activeClass)
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events = (type) ->
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$el = $ this
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if preventDefaultClick
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$el[type] 'click', (e) ->
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e.preventDefault()
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if window.navigator.msPointerEnabled
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$el[type] 'MSPointerDown', touchstart
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$el[type] 'MSPointerUp', touchend
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else
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$el[type] 'touchstart mousedown', touchstart
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$el[type] 'touchmove mouseout', touchmove
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$el[type] 'touchend mouseup', touchend
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$.event.special.touchclick =
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setup: ->
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events.call this, 'on'
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teardown: ->
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events.call this, 'off'
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