META-INF.assets.rjzjh.zrender.core.env.js Maven / Gradle / Ivy
/**
* echarts设备环境识别
*
* @desc echarts基于Canvas，纯Javascript图表库，提供直观，生动，可交互，可个性化定制的数据统计图表。
* @author firede[[email protected]]
* @desc thanks zepto.
*/
define(function () {
var env = {};
if (typeof navigator === 'undefined') {
// In node
env = {
browser: {},
os: {},
node: true,
// Assume canvas is supported
canvasSupported: true
};
}
else {
env = detect(navigator.userAgent);
}
return env;
// Zepto.js
// (c) 2010-2013 Thomas Fuchs
// Zepto.js may be freely distributed under the MIT license.
function detect(ua) {
var os = {};
var browser = {};
// var webkit = ua.match(/Web[kK]it[\/]{0,1}([\d.]+)/);
// var android = ua.match(/(Android);?[\s\/]+([\d.]+)?/);
// var ipad = ua.match(/(iPad).*OS\s([\d_]+)/);
// var ipod = ua.match(/(iPod)(.*OS\s([\d_]+))?/);
// var iphone = !ipad && ua.match(/(iPhone\sOS)\s([\d_]+)/);
// var webos = ua.match(/(webOS|hpwOS)[\s\/]([\d.]+)/);
// var touchpad = webos && ua.match(/TouchPad/);
// var kindle = ua.match(/Kindle\/([\d.]+)/);
// var silk = ua.match(/Silk\/([\d._]+)/);
// var blackberry = ua.match(/(BlackBerry).*Version\/([\d.]+)/);
// var bb10 = ua.match(/(BB10).*Version\/([\d.]+)/);
// var rimtabletos = ua.match(/(RIM\sTablet\sOS)\s([\d.]+)/);
// var playbook = ua.match(/PlayBook/);
// var chrome = ua.match(/Chrome\/([\d.]+)/) || ua.match(/CriOS\/([\d.]+)/);
// var firefox = ua.match(/Firefox\/([\d.]+)/);
// var safari = webkit && ua.match(/Mobile\//) && !chrome;
// var webview = ua.match(/(iPhone|iPod|iPad).*AppleWebKit(?!.*Safari)/) && !chrome;
var ie = ua.match(/MSIE\s([\d.]+)/)
// IE 11 Trident/7.0; rv:11.0
|| ua.match(/Trident\/.+?rv:(([\d.]+))/);
var edge = ua.match(/Edge\/([\d.]+)/); // IE 12 and 12+
// Todo: clean this up with a better OS/browser seperation:
// - discern (more) between multiple browsers on android
// - decide if kindle fire in silk mode is android or not
// - Firefox on Android doesn't specify the Android version
// - possibly devide in os, device and browser hashes
// if (browser.webkit = !!webkit) browser.version = webkit[1];
// if (android) os.android = true, os.version = android[2];
// if (iphone && !ipod) os.ios = os.iphone = true, os.version = iphone[2].replace(/_/g, '.');
// if (ipad) os.ios = os.ipad = true, os.version = ipad[2].replace(/_/g, '.');
// if (ipod) os.ios = os.ipod = true, os.version = ipod[3] ? ipod[3].replace(/_/g, '.') : null;
// if (webos) os.webos = true, os.version = webos[2];
// if (touchpad) os.touchpad = true;
// if (blackberry) os.blackberry = true, os.version = blackberry[2];
// if (bb10) os.bb10 = true, os.version = bb10[2];
// if (rimtabletos) os.rimtabletos = true, os.version = rimtabletos[2];
// if (playbook) browser.playbook = true;
// if (kindle) os.kindle = true, os.version = kindle[1];
// if (silk) browser.silk = true, browser.version = silk[1];
// if (!silk && os.android && ua.match(/Kindle Fire/)) browser.silk = true;
// if (chrome) browser.chrome = true, browser.version = chrome[1];
// if (firefox) browser.firefox = true, browser.version = firefox[1];
// if (safari && (ua.match(/Safari/) || !!os.ios)) browser.safari = true;
// if (webview) browser.webview = true;
if (ie) {
browser.ie = true; browser.version = ie[1];
}
if (ie) {
browser.ie = true;
browser.version = ie[1];
}
if (edge) {
browser.edge = true;
browser.version = edge[1];
}
// os.tablet = !!(ipad || playbook || (android && !ua.match(/Mobile/)) ||
// (firefox && ua.match(/Tablet/)) || (ie && !ua.match(/Phone/) && ua.match(/Touch/)));
// os.phone = !!(!os.tablet && !os.ipod && (android || iphone || webos ||
// (chrome && ua.match(/Android/)) || (chrome && ua.match(/CriOS\/([\d.]+)/)) ||
// (firefox && ua.match(/Mobile/)) || (ie && ua.match(/Touch/))));
return {
browser: browser,
os: os,
node: false,
// 原生canvas支持，改极端点了
// canvasSupported : !(browser.ie && parseFloat(browser.version) < 9)
canvasSupported : document.createElement('canvas').getContext ? true : false,
// @see
// works on most browsers
// IE10/11 does not support touch event, and MS Edge supports them but not by
// default, so we dont check navigator.maxTouchPoints for them here.
touchEventsSupported: 'ontouchstart' in window && !browser.ie && !browser.edge,
// .
pointerEventsSupported: 'onpointerdown' in window
// Firefox supports pointer but not by default,
// only MS browsers are reliable on pointer events currently.
&& (browser.edge || (browser.ie && browser.version >= 10))
};
}
});