leaflet
Version:
JavaScript library for mobile-friendly interactive maps
67 lines (52 loc) • 2.12 kB
JavaScript
/*
* L.Browser handles different browser and feature detections for internal Leaflet use.
*/
(function () {
var ie = 'ActiveXObject' in window,
ielt9 = ie && !document.addEventListener,
// terrible browser detection to work around Safari / iOS / Android browser bugs
ua = navigator.userAgent.toLowerCase(),
webkit = ua.indexOf('webkit') !== -1,
chrome = ua.indexOf('chrome') !== -1,
phantomjs = ua.indexOf('phantom') !== -1,
android = ua.indexOf('android') !== -1,
android23 = ua.search('android [23]') !== -1,
gecko = ua.indexOf('gecko') !== -1,
mobile = typeof orientation !== undefined + '',
msPointer = !window.PointerEvent && window.MSPointerEvent,
pointer = (window.PointerEvent && window.navigator.pointerEnabled) ||
msPointer,
retina = ('devicePixelRatio' in window && window.devicePixelRatio > 1) ||
('matchMedia' in window && window.matchMedia('(min-resolution:144dpi)') &&
window.matchMedia('(min-resolution:144dpi)').matches),
doc = document.documentElement,
ie3d = ie && ('transition' in doc.style),
webkit3d = ('WebKitCSSMatrix' in window) && ('m11' in new window.WebKitCSSMatrix()) && !android23,
gecko3d = 'MozPerspective' in doc.style,
opera3d = 'OTransition' in doc.style,
any3d = !window.L_DISABLE_3D && (ie3d || webkit3d || gecko3d || opera3d) && !phantomjs;
var touch = !window.L_NO_TOUCH && !phantomjs && (pointer || 'ontouchstart' in window ||
(window.DocumentTouch && document instanceof window.DocumentTouch));
L.Browser = {
ie: ie,
ielt9: ielt9,
webkit: webkit,
gecko: gecko && !webkit && !window.opera && !ie,
android: android,
android23: android23,
chrome: chrome,
ie3d: ie3d,
webkit3d: webkit3d,
gecko3d: gecko3d,
opera3d: opera3d,
any3d: any3d,
mobile: mobile,
mobileWebkit: mobile && webkit,
mobileWebkit3d: mobile && webkit3d,
mobileOpera: mobile && window.opera,
touch: touch,
msPointer: msPointer,
pointer: pointer,
retina: retina
};
}());