env

webix.env([see official doc])

webix.env helper.

Please look into the linked official documentation.

External references

Official documentation page.

Code

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webix.env = {};

// webix.env.transform
// webix.env.transition
(function(){
    webix.env.strict = !!window.webix_strict;
    webix.env.https = document.location.protocol === "https:";

    if (navigator.userAgent.indexOf("Mobile")!=-1 || navigator.userAgent.indexOf("Windows Phone")!=-1)
        webix.env.mobile = true;
    if (webix.env.mobile || navigator.userAgent.indexOf("iPad")!=-1 || navigator.userAgent.indexOf("Android")!=-1)
        webix.env.touch = true;
    if (navigator.userAgent.indexOf('Opera')!=-1)
        webix.env.isOpera=true;
    else{
        //very rough detection, but it is enough for current goals
        webix.env.isIE=!!document.all || (navigator.userAgent.indexOf("Trident") !== -1);
        if (webix.env.isIE){
            var version = parseFloat(navigator.appVersion.split("MSIE")[1]);
            if (version == 8)
                webix.env.isIE8 = true;
        }
        webix.env.isEdge=(navigator.userAgent.indexOf("Edge")!=-1);
        webix.env.isFF=(navigator.userAgent.indexOf("Firefox")!=-1);
        webix.env.isWebKit=(navigator.userAgent.indexOf("KHTML")!=-1);
        webix.env.isSafari=webix.env.isWebKit && (navigator.userAgent.indexOf('Mac')!=-1);

        //maximum height/width for HTML elements in pixels (rough), bigger values will be ignored by browser
        if(webix.env.isIE || webix.env.isEdge || webix.env.isFF)
            webix.env.maxHTMLElementSize = 10000000;
        if(webix.env.isSafari)
            webix.env.maxHTMLElementSize = 100000000;
    }

    if(navigator.userAgent.toLowerCase().indexOf("android")!=-1){
        webix.env.isAndroid = true;
        if(navigator.userAgent.toLowerCase().indexOf("trident")){
            webix.env.isAndroid = false;
            webix.env.isIEMobile = true;
        }
    }

    webix.env.transform = false;
    webix.env.transition = false;

    var found_index = -1;
    var js_list =  ['', 'webkit', 'Moz', 'O', 'ms'];
    var css_list = ['', '-webkit-', '-Moz-', '-o-', '-ms-'];


    var d = document.createElement("DIV");
    for (var j=0; j < js_list.length; j++) {
        var name = js_list[j] ? (js_list[j]+"Transform") : "transform";
        if(typeof d.style[name] != 'undefined'){
            found_index = j;
            break;
        }
    }


    if (found_index > -1){
        webix.env.cssPrefix = css_list[found_index];
        var jp = webix.env.jsPrefix = js_list[found_index];

        webix.env.transform = jp ? jp+"Transform" : "transform";
        webix.env.transition = jp ? jp+"Transition" : "transition";
        webix.env.transitionDuration = jp ? jp+"TransitionDuration" : "transitionDuration";

        d.style[webix.env.transform] = "translate3d(0,0,0)";
        webix.env.translate = (d.style[webix.env.transform])?"translate3d":"translate";
        webix.env.transitionEnd = ((webix.env.cssPrefix == '-Moz-')?"transitionend":(jp ? jp+"TransitionEnd" : "transitionend"));
    }

    webix.env.pointerevents = (!webix.env.isIE ||(new RegExp("Trident/.*rv:11")).exec(navigator.userAgent) !== null);
})();