1 2 3 4 | ;['swipe', 'swipeLeft', 'swipeRight', 'swipeUp', 'swipeDown', 'doubleTap', 'tap', 'singleTap', 'longTap'].forEach(function(eventName){ $.fn[eventName] = function(callback){ return this.on(eventName, callback) } }) |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 | $(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() { 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 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 }) |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 | 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 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) |
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