var OSHelper = {
    isPC: undefined,
    touchStart: undefined,
    touchMove: undefined,
    touchEnd: undefined,
    orbitCtlDistanceMultiple: undefined,
    windowWidthDefault: undefined,
    init: function () {
        this.isPC = this.isPCOS();
        this.touchStart = this.isPC ? 'mousedown' : 'touchstart';
        this.touchMove = this.isPC ? 'mousemove' : 'touchmove';
        this.touchEnd = this.isPC ? 'mouseup' : 'touchend';
        this.orbitCtlDistanceMultiple = this.isPC ? 3 : 2;
        this.windowWidthDefault = this.isPC ? 1100 : 600;
    },
    isPCOS: function () {
        var userAgentInfo = navigator.userAgent;
        var Agents = ["Android", "iPhone",
            "SymbianOS", "Windows Phone",
            "iPad", "iPod"];
        var result = true;
        for (var v = 0; v < Agents.length; v++) {
            if (userAgentInfo.indexOf(Agents[v]) > 0) {
                result = false;
                break;
            }
        }
        return result;
    },

    clientX: function (event) {
        return this.isPC ? event.clientX : event.targetTouches[0].clientX;
    },
    clientY: function (event) {
        return this.isPC ? event.clientY : event.targetTouches[0].clientY;
    },
    convertCefParameter: function (inputData) {
        return this.isPC ? inputData : JSON.stringify(inputData);
    }

};