var ua = navigator.userAgent,
    weixin = ua.match(/MicroMessenger/ig),
    isWeibo = ua.match(/WeiBo/i),
    QQ = ua.match(/QQ\//),
    isAndroid = navigator.userAgent.match(/android/ig),
    isIos = navigator.userAgent.match(/iphone|ipod/ig),
    isIpad = navigator.userAgent.match(/ipad/ig);
var reg = /([1-9]?[0-9])_([0-9])/ig;
var iosarr = reg.exec(ua);
if (iosarr != null && (isIos||isIpad) && iosarr.length >= 3) {
    var wxosEdition = iosarr[1];
} else {
    var wxosEdition = 0;
}



function CallAppInWeb(host) {
    if (navigator.userAgent.indexOf("UCBrowser") > 0) {
        location.href = 'http://p1.ifengimg.com/29daa33abbbc4bbc/2017/32/uc_callApp1.html?' + host;
    } else if (navigator.userAgent.indexOf("Chrome") > -1 && navigator.userAgent.indexOf("MQQBrowser") < 0) {
        location.href = host;
    } else if (isIos || isIpad) {
        location.href = host;
    } else if (navigator.userAgent.indexOf("MQQBrowser") > 0) {
        location.href = host;
    } else {
        location.href = 'http://p1.ifengimg.com/29daa33abbbc4bbc/2017/32/uc_callApp1.html?' + host;
    }
}

function callNewsApp() {
        var WxDownUrl = 'http://a.app.qq.com/o/simple.jsp?pkgname=com.ifeng.news2&ckey=CK1372781992765',//2645
            downUrl = 'https://statistics.appstore.ifeng.com/index.php/api/godownload?app_id=4&d_ch=2645';
        var callUrl = 'comifengnewsclient://call?type=list&kind=inter_uniopen';
        if(wxosEdition>=9){
            var url = 'https://api.iclient.ifeng.com/wakeupiOS/ifengnews/call?type=list&kind=inter_uniopen';
            location.href = url;
        }else{
            if(weixin || QQ){//腾讯产品通过应用宝唤起或下载
                location.href = WxDownUrl + '&android_scheme=' + encodeURIComponent(callUrl);
                return false;
            }else{//其他环境默认自定方式
                CallAppInWeb(callUrl);
                setTimeout(function () {
                    if(document.hasFocus()){
                        location.href  = downUrl;
                    }
                },1000);
            }
        }

}