mirror of
https://github.com/overleaf/overleaf.git
synced 2024-11-07 20:31:06 -05:00
103 lines
4 KiB
JavaScript
Executable file
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;
|
|
|
|
});
|