Fix for jQuery Mobile's scrolling and taphold behavior

fixScrollAndTapHold.js

    (function fixScrollAndTapHold() {

        var $document = $(document);
        var isScrolling = false;
        var lastX, lastY, lastT, scrollTimeout;

        $document.bind("touchstart mousedown click", function(e) {
            lastT = e.originalEvent.timeStamp;
        });

        $document.bind("scroll", function(e) {
            var t = e.originalEvent.timeStamp;

            if (!t) {
                return;
            }

            var x = window.pageXOffset;
            var y = window.pageYOffset;

            var dT = t - lastT;
            var dX = Math.abs(x - lastX);
            var dY = Math.abs(y - lastY);
            var dMax = Math.max(dX, dY);

            lastT = t;
            lastX = x;
            lastY = y;

            var speed = dMax / dT;

            if (speed >= 0.1 || dMax >= 10) {
                isScrolling = true;
            }

            clearTimeout(scrollTimeout);
            scrollTimeout = setTimeout(function() {
                isScrolling = false;
            }, 500);
        });

        /**
         * @return {Boolean}
         */
        $.mobile.isScrolling = function() {
            return isScrolling;
        };

    })();