overleaf/services/web/public/js/ace/lib/useragent.js
2014-02-12 10:23:40 +00:00

103 lines
4 KiB
JavaScript
Executable file

/* ***** BEGIN LICENSE BLOCK *****
* Distributed under the BSD license:
*
* Copyright (c) 2010, Ajax.org B.V.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of Ajax.org B.V. nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL AJAX.ORG B.V. BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* ***** END LICENSE BLOCK ***** */
define(function(require, exports, module) {
"use strict";
/*
* I hate doing this, but we need some way to determine if the user is on a Mac
* The reason is that users have different expectations of their key combinations.
*
* Take copy as an example, Mac people expect to use CMD or APPLE + C
* Windows folks expect to use CTRL + C
*/
exports.OS = {
LINUX: "LINUX",
MAC: "MAC",
WINDOWS: "WINDOWS"
};
/*
* Return an exports.OS constant
*/
exports.getOS = function() {
if (exports.isMac) {
return exports.OS.MAC;
} else if (exports.isLinux) {
return exports.OS.LINUX;
} else {
return exports.OS.WINDOWS;
}
};
// this can be called in non browser environments (e.g. from ace/requirejs/text)
if (typeof navigator != "object")
return;
var os = (navigator.platform.match(/mac|win|linux/i) || ["other"])[0].toLowerCase();
var ua = navigator.userAgent;
// Is the user using a browser that identifies itself as Windows
exports.isWin = (os == "win");
// Is the user using a browser that identifies itself as Mac OS
exports.isMac = (os == "mac");
// Is the user using a browser that identifies itself as Linux
exports.isLinux = (os == "linux");
// Windows Store JavaScript apps (aka Metro apps written in HTML5 and JavaScript) do not use the "Microsoft Internet Explorer" string in their user agent, but "MSAppHost" instead.
exports.isIE =
(navigator.appName == "Microsoft Internet Explorer" || navigator.appName.indexOf("MSAppHost") >= 0)
&& parseFloat(navigator.userAgent.match(/MSIE ([0-9]+[\.0-9]+)/)[1]);
exports.isOldIE = exports.isIE && exports.isIE < 9;
// Is this Firefox or related?
exports.isGecko = exports.isMozilla = window.controllers && window.navigator.product === "Gecko";
// oldGecko == rev < 2.0
exports.isOldGecko = exports.isGecko && parseInt((navigator.userAgent.match(/rv\:(\d+)/)||[])[1], 10) < 4;
// Is this Opera
exports.isOpera = window.opera && Object.prototype.toString.call(window.opera) == "[object Opera]";
// Is the user using a browser that identifies itself as WebKit
exports.isWebKit = parseFloat(ua.split("WebKit/")[1]) || undefined;
exports.isChrome = parseFloat(ua.split(" Chrome/")[1]) || undefined;
exports.isAIR = ua.indexOf("AdobeAIR") >= 0;
exports.isIPad = ua.indexOf("iPad") >= 0;
exports.isTouchPad = ua.indexOf("TouchPad") >= 0;
});