1 /**

     2  * Env.js

     3  *

     4  * Copyright, Moxiecode Systems AB

     5  * Released under LGPL License.

     6  *

     7  * License: http://www.tinymce.com/license

     8  * Contributing: http://www.tinymce.com/contributing

     9  */

    10 

    11 /**

    12  * This class contains various environment constants like browser versions etc.

    13  * Normally you don't want to sniff specific browser versions but sometimes you have

    14  * to when it's impossible to feature detect. So use this with care.

    15  *

    16  * @class tinymce.Env

    17  * @static

    18  */

    19 define("tinymce/Env", [], function() {

    20 	var nav = navigator, userAgent = nav.userAgent;

    21 	var opera, webkit, ie, ie11, ie12, gecko, mac, iDevice, android;

    22 

    23 	opera = window.opera && window.opera.buildNumber;

    24 	android = /Android/.test(userAgent);

    25 	webkit = /WebKit/.test(userAgent);

    26 	ie = !webkit && !opera && (/MSIE/gi).test(userAgent) && (/Explorer/gi).test(nav.appName);

    27 	ie = ie && /MSIE (\w+)\./.exec(userAgent)[1];

    28 	ie11 = userAgent.indexOf('Trident/') != -1 && (userAgent.indexOf('rv:') != -1 || nav.appName.indexOf('Netscape') != -1) ? 11 : false;

    29 	ie12 = (document.msElementsFromPoint && !ie && !ie11) ? 12 : false;

    30 	ie = ie || ie11 || ie12;

    31 	gecko = !webkit && !ie11 && /Gecko/.test(userAgent);

    32 	mac = userAgent.indexOf('Mac') != -1;

    33 	iDevice = /(iPad|iPhone)/.test(userAgent);

    34 

    35 	if (ie12) {

    36 		webkit = false;

    37 	}

    38 

    39 	// Is a iPad/iPhone and not on iOS5 sniff the WebKit version since older iOS WebKit versions

    40 	// says it has contentEditable support but there is no visible caret.

    41 	var contentEditable = !iDevice || userAgent.match(/AppleWebKit\/(\d*)/)[1] >= 534;

    42 

    43 	return {

    44 		/**

    45 		 * Constant that is true if the browser is Opera.

    46 		 *

    47 		 * @property opera

    48 		 * @type Boolean

    49 		 * @final

    50 		 */

    51 		opera: opera,

    52 

    53 		/**

    54 		 * Constant that is true if the browser is WebKit (Safari/Chrome).

    55 		 *

    56 		 * @property webKit

    57 		 * @type Boolean

    58 		 * @final

    59 		 */

    60 		webkit: webkit,

    61 

    62 		/**

    63 		 * Constant that is more than zero if the browser is IE.

    64 		 *

    65 		 * @property ie

    66 		 * @type Boolean

    67 		 * @final

    68 		 */

    69 		ie: ie,

    70 

    71 		/**

    72 		 * Constant that is true if the browser is Gecko.

    73 		 *

    74 		 * @property gecko

    75 		 * @type Boolean

    76 		 * @final

    77 		 */

    78 		gecko: gecko,

    79 

    80 		/**

    81 		 * Constant that is true if the os is Mac OS.

    82 		 *

    83 		 * @property mac

    84 		 * @type Boolean

    85 		 * @final

    86 		 */

    87 		mac: mac,

    88 

    89 		/**

    90 		 * Constant that is true if the os is iOS.

    91 		 *

    92 		 * @property iOS

    93 		 * @type Boolean

    94 		 * @final

    95 		 */

    96 		iOS: iDevice,

    97 

    98 		/**

    99 		 * Constant that is true if the os is android.

   100 		 *

   101 		 * @property android

   102 		 * @type Boolean

   103 		 * @final

   104 		 */

   105 		android: android,

   106 

   107 		/**

   108 		 * Constant that is true if the browser supports editing.

   109 		 *

   110 		 * @property contentEditable

   111 		 * @type Boolean

   112 		 * @final

   113 		 */

   114 		contentEditable: contentEditable,

   115 

   116 		/**

   117 		 * Transparent image data url.

   118 		 *

   119 		 * @property transparentSrc

   120 		 * @type Boolean

   121 		 * @final

   122 		 */

   123 		transparentSrc: "data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7",

   124 

   125 		/**

   126 		 * Returns true/false if the browser can or can't place the caret after a inline block like an image.

   127 		 *

   128 		 * @property noCaretAfter

   129 		 * @type Boolean

   130 		 * @final

   131 		 */

   132 		caretAfter: ie != 8,

   133 

   134 		/**

   135 		 * Constant that is true if the browser supports native DOM Ranges. IE 9+.

   136 		 *

   137 		 * @property range

   138 		 * @type Boolean

   139 		 */

   140 		range: window.getSelection && "Range" in window,

   141 

   142 		/**

   143 		 * Returns the IE document mode for non IE browsers this will fake IE 10.

   144 		 *

   145 		 * @property documentMode

   146 		 * @type Number

   147 		 */

   148 		documentMode: ie && !ie12 ? (document.documentMode || 7) : 10

   149 	};

   150 });