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/**
* @license Copyright (c) 2003-2015, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or http://ckeditor.com/license
*/
/**
* @fileOverview Defines the {@link CKEDITOR.dom.document} class, which
* represents a DOM document.
*/
/**
* Represents a DOM window.
*
* var document = new CKEDITOR.dom.window( window );
*
* @class
* @extends CKEDITOR.dom.domObject
* @constructor Creates a window class instance.
* @param {Object} domWindow A native DOM window.
*/
CKEDITOR.dom.window = function( domWindow ) {
CKEDITOR.dom.domObject.call( this, domWindow );
};
CKEDITOR.dom.window.prototype = new CKEDITOR.dom.domObject();
CKEDITOR.tools.extend( CKEDITOR.dom.window.prototype, {
/**
* Moves the selection focus to this window.
*
* var win = new CKEDITOR.dom.window( window );
* win.focus();
*/
focus: function() {
this.$.focus();
},
/**
* Gets the width and height of this window's viewable area.
*
* var win = new CKEDITOR.dom.window( window );
* var size = win.getViewPaneSize();
* alert( size.width );
* alert( size.height );
*
* @returns {Object} An object with the `width` and `height`
* properties containing the size.
*/
getViewPaneSize: function() {
var doc = this.$.document,
stdMode = doc.compatMode == 'CSS1Compat';
return {
width: ( stdMode ? doc.documentElement.clientWidth : doc.body.clientWidth ) || 0,
height: ( stdMode ? doc.documentElement.clientHeight : doc.body.clientHeight ) || 0
};
},
/**
* Gets the current position of the window's scroll.
*
* var win = new CKEDITOR.dom.window( window );
* var pos = win.getScrollPosition();
* alert( pos.x );
* alert( pos.y );
*
* @returns {Object} An object with the `x` and `y` properties
* containing the scroll position.
*/
getScrollPosition: function() {
var $ = this.$;
if ( 'pageXOffset' in $ ) {
return {
x: $.pageXOffset || 0,
y: $.pageYOffset || 0
};
} else {
var doc = $.document;
return {
x: doc.documentElement.scrollLeft || doc.body.scrollLeft || 0,
y: doc.documentElement.scrollTop || doc.body.scrollTop || 0
};
}
},
/**
* Gets the frame element containing this window context.
*
* @returns {CKEDITOR.dom.element} The frame element or `null` if not in a frame context.
*/
getFrame: function() {
var iframe = this.$.frameElement;
return iframe ? new CKEDITOR.dom.element.get( iframe ) : null;
}
} );
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