createTouchEvent

createTouchEvent.js

(function() {
    
    var ua = /iPhone|iP[oa]d/.test(navigator.userAgent) ? 'iOS' : /Android/.test(navigator.userAgent) ? 'Android' : 'PC';
    
    document.addEventListener('DOMContentLoaded', function(event) {
        
        if(ua === 'PC') {
            return;
        }
        
        document.addEventListener('touchstart', function() {
            console.log('Touch!');
        }, false);
        
        var touchEvent = createTouchEvent();
        
        setTimeout(function() {
            document.dispatchEvent(touchEvent);
        }, 3000);
        
    }, false);
    
    function createTouchEvent(option) {
        var option = option || {};
        var param = {
            type: 'touchstart',
            canBubble: true,
            cancelable: true,
            view: window,
            detail: 0,
            screenX: 0,
            screenY: 0,
            clientX: 0,
            clientY: 0,
            ctrlKey: false,
            altKey: false,
            shiftKey: false,
            metaKey: false,
            touches: 0,
            targetTouches: 0,
            changedTouches: 0,
            scale: 0,
            rotation: 0,
            touchItem: 0
        };
        
        for(var i in param) {
            if(param.hasOwnProperty(i)) {
                param[i] = option[i] !== undefined ? option[i] : param[i];
            }
        }
        
        var event = document.createEvent('TouchEvent');
        
        if(ua === 'Android') {
            event.initTouchEvent(param.touchItem, param.touchItem, param.touchItem, param.type, param.view, param.screenX, param.screenY, param.clientX, param.clientY, param.ctrlKey, param.altKey, param.shiftKey, param.metaKey);
        } else {
            event.initTouchEvent(param.type, param.canBubble, param.cancelable, param.view, param.detail, param.screenX, param.screenY, param.clientX, param.clientY, param.ctrlKey, param.altKey, param.shiftKey, param.metaKey, param.touches, param.targetTouches, param.changedTouches, param.scale, param.rotation);
        }
        
        return event;
    }
    
})();