import * as Util from './Util';
import {svgCreate} from '../layer/vector/SVG.Util';
/*
* @namespace Browser
* @aka L.Browser
*
* A namespace with static properties for browser/feature detection used by Leaflet internally.
*
* @example
*
* ```js
* if (L.Browser.ielt9) {
* alert('Upgrade your browser, dude!');
* }
* ```
*/
var style = document.documentElement.style;
// @property ie: Boolean; `true` for all Internet Explorer versions (not Edge).
var ie = 'ActiveXObject' in window;
// @property ielt9: Boolean; `true` for Internet Explorer versions less than 9.
var ielt9 = ie && !document.addEventListener;
// @property edge: Boolean; `true` for the Edge web browser.
var edge = 'msLaunchUri' in navigator && !('documentMode' in document);
// @property webkit: Boolean;
// `true` for webkit-based browsers like Chrome and Safari (including mobile versions).
var webkit = userAgentContains('webkit');
// @property android: Boolean
// **Deprecated.** `true` for any browser running on an Android platform.
var android = userAgentContains('android');
// @property android23: Boolean; **Deprecated.** `true` for browsers running on Android 2 or Android 3.
var android23 = userAgentContains('android 2') || userAgentContains('android 3');
/* See https://stackoverflow.com/a/17961266 for details on detecting stock Android */
var webkitVer = parseInt(/WebKit\/([0-9]+)|$/.exec(navigator.userAgent)[1], 10); // also matches AppleWebKit
// @property androidStock: Boolean; **Deprecated.** `true` for the Android stock browser (i.e. not Chrome)
var androidStock = android && userAgentContains('Google') && webkitVer < 537 && !('AudioNode' in window);
// @property opera: Boolean; `true` for the Opera browser
var opera = !!window.opera;
// @property chrome: Boolean; `true` for the Chrome browser.
var chrome = !edge && userAgentContains('chrome');
// @property gecko: Boolean; `true` for gecko-based browsers like Firefox.
var gecko = userAgentContains('gecko') && !webkit && !opera && !ie;
// @property safari: Boolean; `true` for the Safari browser.
var safari = !chrome && userAgentContains('safari');
var phantom = userAgentContains('phantom');
// @property opera12: Boolean
// `true` for the Opera browser supporting CSS transforms (version 12 or later).
var opera12 = 'OTransition' in style;
// @property win: Boolean; `true` when the browser is running in a Windows platform
var win = navigator.platform.indexOf('Win') === 0;
// @property ie3d: Boolean; `true` for all Internet Explorer versions supporting CSS transforms.
var ie3d = ie && ('transition' in style);
// @property webkit3d: Boolean; `true` for webkit-based browsers supporting CSS transforms.
var webkit3d = ('WebKitCSSMatrix' in window) && ('m11' in new window.WebKitCSSMatrix()) && !android23;
// @property gecko3d: Boolean; `true` for gecko-based browsers supporting CSS transforms.
var gecko3d = 'MozPerspective' in style;
// @property any3d: Boolean
// `true` for all browsers supporting CSS transforms.
var any3d = !window.L_DISABLE_3D && (ie3d || webkit3d || gecko3d) && !opera12 && !phantom;
// @property mobile: Boolean; `true` for all browsers running in a mobile device.
var mobile = typeof orientation !== 'undefined' || userAgentContains('mobile');
// @property mobileWebkit: Boolean; `true` for all webkit-based browsers in a mobile device.
var mobileWebkit = mobile && webkit;
// @property mobileWebkit3d: Boolean
// `true` for all webkit-based browsers in a mobile device supporting CSS transforms.
var mobileWebkit3d = mobile && webkit3d;
// @property msPointer: Boolean
// `true` for browsers implementing the Microsoft touch events model (notably IE10).
var msPointer = !window.PointerEvent && window.MSPointerEvent;
// @property pointer: Boolean
// `true` for all browsers supporting [pointer events](https://msdn.microsoft.com/en-us/library/dn433244%28v=vs.85%29.aspx).
var pointer = !!(window.PointerEvent || msPointer);
// @property touchNative: Boolean
// `true` for all browsers supporting [touch events](https://developer.mozilla.org/docs/Web/API/Touch_events).
// **This does not necessarily mean** that the browser is running in a computer with
// a touchscreen, it only means that the browser is capable of understanding
// touch events.
var touchNative = 'ontouchstart' in window || !!window.TouchEvent;
// @property touch: Boolean
// `true` for all browsers supporting either [touch](#browser-touch) or [pointer](#browser-pointer) events.
// Note: pointer events will be preferred (if available), and processed for all `touch*` listeners.
var touch = !window.L_NO_TOUCH && (touchNative || pointer);
// @property mobileOpera: Boolean; `true` for the Opera browser in a mobile device.
var mobileOpera = mobile && opera;
// @property mobileGecko: Boolean
// `true` for gecko-based browsers running in a mobile device.
var mobileGecko = mobile && gecko;
// @property retina: Boolean
// `true` for browsers on a high-resolution "retina" screen or on any screen when browser's display zoom is more than 100%.
var retina = (window.devicePixelRatio || (window.screen.deviceXDPI / window.screen.logicalXDPI)) > 1;
// @property passiveEvents: Boolean
// `true` for browsers that support passive events.
var passiveEvents = (function () {
var supportsPassiveOption = false;
try {
var opts = Object.defineProperty({}, 'passive', {
get: function () { // eslint-disable-line getter-return
supportsPassiveOption = true;
}
});
window.addEventListener('testPassiveEventSupport', Util.falseFn, opts);
window.removeEventListener('testPassiveEventSupport', Util.falseFn, opts);
} catch (e) {
// Errors can safely be ignored since this is only a browser support test.
}
return supportsPassiveOption;
}());
// @property canvas: Boolean
// `true` when the browser supports [`