/**
* @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or http://ckeditor.com/license
*/
/**
* @fileOverview Defines the {@link CKEDITOR.env} object which contains
* environment and browser information.
*/
if ( !CKEDITOR.env ) {
/**
* Environment and browser information.
*
* @class CKEDITOR.env
* @singleton
*/
CKEDITOR.env = ( function() {
var agent = navigator.userAgent.toLowerCase(),
edge = agent.match( /edge[ \/](\d+.?\d*)/ ),
trident = agent.indexOf( 'trident/' ) > -1,
ie = !!( edge || trident );
var env = {
/**
* Indicates that CKEditor is running in Internet Explorer.
*
* if ( CKEDITOR.env.ie )
* alert( 'I\'m running in IE!' );
*
* **Note:** This property is also set to `true` if CKEditor is running
* in {@link #edge Microsoft Edge}.
*
* @property {Boolean}
*/
ie: ie,
/**
* Indicates that CKEditor is running in Microsoft Edge.
*
* if ( CKEDITOR.env.edge )
* alert( 'I\'m running in Edge!' );
*
* See also {@link #ie}.
*
* @since 4.5
* @property {Boolean}
*/
edge: !!edge,
/**
* Indicates that CKEditor is running in a WebKit-based browser, like Safari,
* or Blink-based browser, like Chrome.
*
* if ( CKEDITOR.env.webkit )
* alert( 'I\'m running in a WebKit browser!' );
*
* @property {Boolean}
*/
webkit: !ie && ( agent.indexOf( ' applewebkit/' ) > -1 ),
/**
* Indicates that CKEditor is running in Adobe AIR.
*
* if ( CKEDITOR.env.air )
* alert( 'I\'m on AIR!' );
*
* @property {Boolean}
*/
air: ( agent.indexOf( ' adobeair/' ) > -1 ),
/**
* Indicates that CKEditor is running on Macintosh.
*
* if ( CKEDITOR.env.mac )
* alert( 'I love apples!'' );
*
* @property {Boolean}
*/
mac: ( agent.indexOf( 'macintosh' ) > -1 ),
/**
* Indicates that CKEditor is running in a Quirks Mode environment.
*
* if ( CKEDITOR.env.quirks )
* alert( 'Nooooo!' );
*
* Internet Explorer 10 introduced the _New Quirks Mode_, which is similar to the _Quirks Mode_
* implemented in other modern browsers and defined in the HTML5 specification. It can be handled
* as the Standards mode, so the value of this property will be set to `false`.
*
* The _Internet Explorer 5 Quirks_ mode which is still available in Internet Explorer 10+
* sets this value to `true` and {@link #version} to `7`.
*
* Read more: [IEBlog](http://blogs.msdn.com/b/ie/archive/2011/12/14/interoperable-html5-quirks-mode-in-ie10.aspx)
*
* @property {Boolean}
*/
quirks: ( document.compatMode == 'BackCompat' && ( !document.documentMode || document.documentMode < 10 ) ),
/**
* Indicates that CKEditor is running in a mobile environemnt.
*
* if ( CKEDITOR.env.mobile )
* alert( 'I\'m running with CKEditor today!' );
*
* @deprecated
* @property {Boolean}
*/
mobile: ( agent.indexOf( 'mobile' ) > -1 ),
/**
* Indicates that CKEditor is running on Apple iPhone/iPad/iPod devices.
*
* if ( CKEDITOR.env.iOS )
* alert( 'I like little apples!' );
*
* @property {Boolean}
*/
iOS: /(ipad|iphone|ipod)/.test( agent ),
/**
* Indicates that the browser has a custom domain enabled. This has
* been set with `document.domain`.
*
* if ( CKEDITOR.env.isCustomDomain() )
* alert( 'I\'m in a custom domain!' );
*
* @returns {Boolean} `true` if a custom domain is enabled.
* @deprecated
*/
isCustomDomain: function() {
if ( !this.ie )
return false;
var domain = document.domain,
hostname = window.location.hostname;
return domain != hostname && domain != ( '[' + hostname + ']' ); // IPv6 IP support (#5434)
},
/**
* Indicates that the page is running under an encrypted connection.
*
* if ( CKEDITOR.env.secure )
* alert( 'I\'m on SSL!' );
*
* @returns {Boolean} `true` if the page has an encrypted connection.
*/
secure: location.protocol == 'https:'
};
/**
* Indicates that CKEditor is running in a Gecko-based browser, like
* Firefox.
*
* if ( CKEDITOR.env.gecko )
* alert( 'I\'m riding a gecko!' );
*
* @property {Boolean}
*/
env.gecko = ( navigator.product == 'Gecko' && !env.webkit && !env.ie );
/**
* Indicates that CKEditor is running in a Blink-based browser like Chrome.
*
* if ( CKEDITOR.env.chrome )
* alert( 'I\'m running in Chrome!' );
*
* @property {Boolean} chrome
*/
/**
* Indicates that CKEditor is running in Safari (including the mobile version).
*
* if ( CKEDITOR.env.safari )
* alert( 'I\'m on Safari!' );
*
* @property {Boolean} safari
*/
if ( env.webkit ) {
if ( agent.indexOf( 'chrome' ) > -1 )
env.chrome = true;
else
env.safari = true;
}
var version = 0;
// Internet Explorer 6.0+
if ( env.ie ) {
// We use env.version for feature detection, so set it properly.
if ( edge ) {
version = parseFloat( edge[ 1 ] );
} else if ( env.quirks || !document.documentMode ) {
version = parseFloat( agent.match( /msie (\d+)/ )[ 1 ] );
} else {
version = document.documentMode;
}
// Deprecated features available just for backwards compatibility.
env.ie9Compat = version == 9;
env.ie8Compat = version == 8;
env.ie7Compat = version == 7;
env.ie6Compat = version < 7 || env.quirks;
/**
* Indicates that CKEditor is running in an IE6-like environment, which
* includes IE6 itself as well as IE7, IE8 and IE9 in Quirks Mode.
*
* @deprecated
* @property {Boolean} ie6Compat
*/
/**
* Indicates that CKEditor is running in an IE7-like environment, which
* includes IE7 itself and IE8's IE7 Document Mode.
*
* @deprecated
* @property {Boolean} ie7Compat
*/
/**
* Indicates that CKEditor is running in Internet Explorer 8 on
* Standards Mode.
*
* @deprecated
* @property {Boolean} ie8Compat
*/
/**
* Indicates that CKEditor is running in Internet Explorer 9 on
* Standards Mode.
*
* @deprecated
* @property {Boolean} ie9Compat
*/
}
// Gecko.
if ( env.gecko ) {
var geckoRelease = agent.match( /rv:([\d\.]+)/ );
if ( geckoRelease ) {
geckoRelease = geckoRelease[ 1 ].split( '.' );
version = geckoRelease[ 0 ] * 10000 + ( geckoRelease[ 1 ] || 0 ) * 100 + ( geckoRelease[ 2 ] || 0 ) * 1;
}
}
// Adobe AIR 1.0+
// Checked before Safari because AIR have the WebKit rich text editor
// features from Safari 3.0.4, but the version reported is 420.
if ( env.air )
version = parseFloat( agent.match( / adobeair\/(\d+)/ )[ 1 ] );
// WebKit 522+ (Safari 3+)
if ( env.webkit )
version = parseFloat( agent.match( / applewebkit\/(\d+)/ )[ 1 ] );
/**
* Contains the browser version.
*
* For Gecko-based browsers (like Firefox) it contains the revision
* number with first three parts concatenated with a padding zero
* (e.g. for revision 1.9.0.2 we have 10900).
*
* For WebKit-based browsers (like Safari and Chrome) it contains the
* WebKit build version (e.g. 522).
*
* For IE browsers, it matches the "Document Mode".
*
* if ( CKEDITOR.env.ie && CKEDITOR.env.version <= 6 )
* alert( 'Ouch!' );
*
* @property {Number}
*/
env.version = version;
/**
* Since CKEditor 4.5 this property is a blacklist of browsers incompatible with CKEditor. It means that it is
* set to `false` only in browsers that are known to be incompatible. Before CKEditor 4.5 this
* property was a whitelist of browsers that were known to be compatible with CKEditor.
*
* The reason for this change is the rising fragmentation of the browser market (especially the mobile segment).
* It became too complicated to check in which new environments CKEditor is going to work.
*
* In order to enable CKEditor 4.4.x and below in unsupported environments see the
* [Enabling CKEditor in Unsupported Environments](#!/guide/dev_unsupported_environments) article.
*
* if ( CKEDITOR.env.isCompatible )
* alert( 'Your browser is not known to be incompatible with CKEditor!' );
*
* @property {Boolean}
*/
env.isCompatible =
// IE 7+ (IE 7 is not supported, but IE Compat Mode is and it is recognized as IE7).
!( env.ie && version < 7 ) &&
// Firefox 4.0+.
!( env.gecko && version < 40000 ) &&
// Chrome 6+, Safari 5.1+, iOS 5+.
!( env.webkit && version < 534 );
/**
* Indicates that CKEditor is running in the HiDPI environment.
*
* if ( CKEDITOR.env.hidpi )
* alert( 'You are using a screen with high pixel density.' );
*
* @property {Boolean}
*/
env.hidpi = window.devicePixelRatio >= 2;
/**
* Indicates that CKEditor is running in a browser which uses a bogus
* `<br>` filler in order to correctly display caret in empty blocks.
*
* @since 4.3
* @property {Boolean}
*/
env.needsBrFiller = env.gecko || env.webkit || ( env.ie && version > 10 );
/**
* Indicates that CKEditor is running in a browser which needs a
* non-breaking space filler in order to correctly display caret in empty blocks.
*
* @since 4.3
* @property {Boolean}
*/
env.needsNbspFiller = env.ie && version < 11;
/**
* A CSS class that denotes the browser where CKEditor runs and is appended
* to the HTML element that contains the editor. It makes it easier to apply
* browser-specific styles to editor instances.
*
* myDiv.className = CKEDITOR.env.cssClass;
*
* @property {String}
*/
env.cssClass = 'cke_browser_' + ( env.ie ? 'ie' : env.gecko ? 'gecko' : env.webkit ? 'webkit' : 'unknown' );
if ( env.quirks )
env.cssClass += ' cke_browser_quirks';
if ( env.ie )
env.cssClass += ' cke_browser_ie' + ( env.quirks ? '6 cke_browser_iequirks' : env.version );
if ( env.air )
env.cssClass += ' cke_browser_air';
if ( env.iOS )
env.cssClass += ' cke_browser_ios';
if ( env.hidpi )
env.cssClass += ' cke_hidpi';
return env;
} )();
}
// PACKAGER_RENAME( CKEDITOR.env )
// PACKAGER_RENAME( CKEDITOR.env.ie )
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