text: ;
  (function($) {
      var touch = {},
          touchTimeout, tapTimeout, swipeTimeout, longTapTimeout,
          longTapDelay = 750,
          gesture
  
      function swipeDirection(x1, x2, y1, y2) {
          return Math.abs(x1 - x2) >=
              Math.abs(y1 - y2) ? (x1 - x2 > 0 ? 'Left' : 'Right') : (y1 - y2 > 0 ? 'Up' : 'Down')
      }
  
      function longTap() {
          longTapTimeout = null
          if (touch.last) {
              touch.el.trigger('longTap')
              touch = {}
          }
      }
  
      function cancelLongTap() {
          if (longTapTimeout) clearTimeout(longTapTimeout)
          longTapTimeout = null
      }
  
      function cancelAll() {
          if (touchTimeout) clearTimeout(touchTimeout)
          if (tapTimeout) clearTimeout(tapTimeout)
          if (swipeTimeout) clearTimeout(swipeTimeout)
          if (longTapTimeout) clearTimeout(longTapTimeout)
          touchTimeout = tapTimeout = swipeTimeout = longTapTimeout = null
          touch = {}
      }
  
      function isPrimaryTouch(event) {
          return (event.pointerType == 'touch' ||
              event.pointerType == event.MSPOINTER_TYPE_TOUCH) && event.isPrimary
      }
  
      function isPointerEventType(e, type) {
          return (e.type == 'pointer' + type ||
              e.type.toLowerCase() == 'mspointer' + type)
      }
  
      $(document).ready(function() {
          var now, delta, deltaX = 0,
              deltaY = 0,
              firstTouch, _isPointerType
  
          if ('MSGesture' in window) {
              gesture = new MSGesture()
              gesture.target = document.body
          }
  
          $(document)
              .bind('MSGestureEnd', function(e) {
                  var swipeDirectionFromVelocity =
                      e.velocityX > 1 ? 'Right' : e.velocityX < -1 ? 'Left' : e.velocityY > 1 ? 'Down' : e.velocityY < -1 ? 'Up' : null
                  if (swipeDirectionFromVelocity) {
                      touch.el.trigger('swipe')
                      touch.el.trigger('swipe' + swipeDirectionFromVelocity)
                  }
              })
              .on('touchstart MSPointerDown pointerdown', function(e) {
                  if ((_isPointerType = isPointerEventType(e, 'down')) &&
                      !isPrimaryTouch(e)) return
                  firstTouch = _isPointerType ? e : e.touches[0]
                  if (e.touches && e.touches.length === 1 && touch.x2) {
                      // Clear out touch movement data if we have it sticking around
                      // This can occur if touchcancel doesn't fire due to preventDefault, etc.
                      touch.x2 = undefined
                      touch.y2 = undefined
                  }
                  now = Date.now()
                  delta = now - (touch.last || now)
                  touch.el = $('tagName' in firstTouch.target ?
                      firstTouch.target : firstTouch.target.parentNode)
                  touchTimeout && clearTimeout(touchTimeout)
                  touch.x1 = firstTouch.pageX
                  touch.y1 = firstTouch.pageY
                  if (delta > 0 && delta <= 250) touch.isDoubleTap = true
                  touch.last = now
                  longTapTimeout = setTimeout(longTap, longTapDelay)
                      // adds the current touch contact for IE gesture recognition
                  if (gesture && _isPointerType) gesture.addPointer(e.pointerId)
              })
              .on('touchmove MSPointerMove pointermove', function(e) {
                  if ((_isPointerType = isPointerEventType(e, 'move')) &&
                      !isPrimaryTouch(e)) return
                  firstTouch = _isPointerType ? e : e.touches[0]
                  cancelLongTap()
                  touch.x2 = firstTouch.pageX
                  touch.y2 = firstTouch.pageY
  
                  deltaX += Math.abs(touch.x1 - touch.x2)
                  deltaY += Math.abs(touch.y1 - touch.y2)
              })
              .on('touchend MSPointerUp pointerup', function(e) {
                  if ((_isPointerType = isPointerEventType(e, 'up')) &&
                      !isPrimaryTouch(e)) return
                  cancelLongTap()
  
                  // swipe
                  if ((touch.x2 && Math.abs(touch.x1 - touch.x2) > 30) ||
                      (touch.y2 && Math.abs(touch.y1 - touch.y2) > 30))
  
                      swipeTimeout = setTimeout(function() {
                      if (touch.el) {
                          touch.el.trigger('swipe')
                          touch.el.trigger('swipe' + (swipeDirection(touch.x1, touch.x2, touch.y1, touch.y2)))
                      }
                      touch = {}
                  }, 0)
  
                  // normal tap
                  else if ('last' in touch)
                  // don't fire tap when delta position changed by more than 30 pixels,
                  // for instance when moving to a point and back to origin
                      if (deltaX < 30 && deltaY < 30) {
                          // delay by one tick so we can cancel the 'tap' event if 'scroll' fires
                          // ('tap' fires before 'scroll')
                          tapTimeout = setTimeout(function() {
  
                              // trigger universal 'tap' with the option to cancelTouch()
                              // (cancelTouch cancels processing of single vs double taps for faster 'tap' response)
                              var event = $.Event('tap')
                              event.cancelTouch = cancelAll
                                  // [by paper] fix -> "TypeError: 'undefined' is not an object (evaluating 'touch.el.trigger'), when double tap
                              if (touch.el) touch.el.trigger(event)
  
                              // trigger double tap immediately
                              if (touch.isDoubleTap) {
                                  if (touch.el) touch.el.trigger('doubleTap')
                                  touch = {}
                              }
  
                              // trigger single tap after 250ms of inactivity
                              else {
                                  touchTimeout = setTimeout(function() {
                                      touchTimeout = null
                                      if (touch.el) touch.el.trigger('singleTap')
                                      touch = {}
                                  }, 250)
                              }
                          }, 0)
                      } else {
                          touch = {}
                      }
                  deltaX = deltaY = 0
  
              })
              // when the browser window loses focus,
              // for example when a modal dialog is shown,
              // cancel all ongoing events
              .on('touchcancel MSPointerCancel pointercancel', cancelAll)
  
          // scrolling the window indicates intention of the user
          // to scroll, not tap or swipe, so cancel all ongoing events
          $(window).on('scroll', cancelAll)
      })
  
      ;
      ['swipe', 'swipeLeft', 'swipeRight', 'swipeUp', 'swipeDown',
          'doubleTap', 'tap', 'singleTap', 'longTap'
      ].forEach(function(eventName) {
          $.fn[eventName] = function(callback) {
              return this.on(eventName, callback) }
      })
  })(Zepto)
  