(function registerScrolling($) {
var prevTouchPosition = {},
    scrollYClass = 'scroll-y',
    scrollXClass = 'scroll-x',
    searchTerms = '.' + scrollYClass + ', .' + scrollXClass;

$('body').on('touchstart', function (e) {
    var $scroll = $(e.target).closest(searchTerms),
        targetTouch = e.originalEvent.targetTouches[0];

    // Store previous touch position if within a scroll element
    prevTouchPosition = $scroll.length ? { x: targetTouch.pageX, y: targetTouch.pageY } : {};
});

$('body').on('touchmove', function (e) {
var $scroll = $(e.target).closest(searchTerms),
    targetTouch = e.originalEvent.targetTouches[0];

if (prevTouchPosition && $scroll.length) {
    // Set move helper and update previous touch position
    var move = {
        x: targetTouch.pageX - prevTouchPosition.x,
        y: targetTouch.pageY - prevTouchPosition.y
    };
    prevTouchPosition = { x: targetTouch.pageX, y: targetTouch.pageY };

    // Check for scroll-y or scroll-x classes
    if ($scroll.hasClass(scrollYClass)) {
        var scrollHeight = $scroll[0].scrollHeight,
            outerHeight = $scroll.outerHeight(),

            atUpperLimit = ($scroll.scrollTop() === 0),
            atLowerLimit = (scrollHeight - $scroll.scrollTop() === outerHeight);

        if (scrollHeight > outerHeight) {
            // If at either limit move 1px away to allow normal scroll behavior on future moves,
            // but stop propagation on this move to remove limit behavior bubbling up to body
            if (move.y > 0 && atUpperLimit) {
                $scroll.scrollTop(1);
                e.stopPropagation();
            } else if (move.y < 0 && atLowerLimit) {
                $scroll.scrollTop($scroll.scrollTop() - 1);
                e.stopPropagation();
            }

            // If only moving right or left, prevent bad scroll.
            if(Math.abs(move.x) > 0 && Math.abs(move.y) < 3){
              e.preventDefault()
            }

            // Normal scrolling behavior passes through
        } else {
            // No scrolling / adjustment when there is nothing to scroll
            e.preventDefault();
        }
    } else if ($scroll.hasClass(scrollXClass)) {
        var scrollWidth = $scroll[0].scrollWidth,
            outerWidth = $scroll.outerWidth(),

            atLeftLimit = $scroll.scrollLeft() === 0,
            atRightLimit = scrollWidth - $scroll.scrollLeft() === outerWidth;

        if (scrollWidth > outerWidth) {
            if (move.x > 0 && atLeftLimit) {
                $scroll.scrollLeft(1);
                e.stopPropagation();
            } else if (move.x < 0 && atRightLimit) {
                $scroll.scrollLeft($scroll.scrollLeft() - 1);
                e.stopPropagation();
            }
            // If only moving up or down, prevent bad scroll.
            if(Math.abs(move.y) > 0 && Math.abs(move.x) < 3){
              e.preventDefault();
            }

            // Normal scrolling behavior passes through
        } else {
            // No scrolling / adjustment when there is nothing to scroll
            e.preventDefault();
        }
    }
} else {
    // Prevent scrolling on non-scrolling elements
    e.preventDefault();
}
});
})(jQuery);

function _touchScrollingHandler(event) {
    var p = event.target;
    var pos;
    var scrollable = null;
    do {
        if (!p.computedStyle) {
            continue;
        }
        var overflow = p.computedStyle().overflow;
        var hiddenHeight = p.scrollHeight - p.offsetHeight;
        var s = (['hidden', 'visible'].indexOf(overflow) < 0);
        if ((s || p.tagName === 'HTML') && hiddenHeight > 0) {
            if ((Q.Pointer.movement.positions.length == 1)
            && (pos = Q.Pointer.movement.positions[0])) {
                var sy = Q.Pointer.getY(event)
                    + Q.Pointer.scrollTop();
                if ((sy > pos.y && p.scrollTop == 0)
                || (sy < pos.y && p.scrollTop >= hiddenHeight)) {
                    continue;
                }
            }
            scrollable = p;
            break;
        }
    } while (p = p.parentNode);
    if (!scrollable) {
        Q.Pointer.preventDefault(event);
    }
}

var Q = {
    preventTouchScrolling: function () {
        Q.addEventListener(window, 'touchmove', _touchScrollingHandler);
    },
    restoreTouchScrolling: function () {
        Q.removeEventListener(window, 'touchmove', _touchScrollingHandler);
    }
};