The source code

    /**
     * @ignore
     * touch event logic module
     * @author yiminghe@gmail.com
     */
    KISSY.add('event/dom/touch', function (S, EventDomBase, eventHandleMap, eventHandle) {

        var Special = EventDomBase._Special;

        var specialEvent = {
            setup: function (event) {
                eventHandle.addDocumentHandle(this, event);
            },
            tearDown: function (event) {
                eventHandle.removeDocumentHandle(this, event);
            }
        }, e;

        for (e in eventHandleMap) {
            Special[e] = specialEvent;
        }

    }, {
        requires: ['event/dom/base', './touch/handle-map', './touch/handle']
    });