/*
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Copyright (c) 2003-2012, CKSource - Frederico Knabben. All rights reserved.
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For licensing, see LICENSE.html or http://ckeditor.com/license
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*/
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/**
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* @fileOverview Defines the {@link CKEDITOR.dom.document} class, which
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* represents a DOM document.
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*/
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/**
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* Represents a DOM window.
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* @constructor
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* @augments CKEDITOR.dom.domObject
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* @param {Object} domWindow A native DOM window.
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* @example
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* var document = new CKEDITOR.dom.window( window );
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*/
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CKEDITOR.dom.window = function( domWindow )
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{
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CKEDITOR.dom.domObject.call( this, domWindow );
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};
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CKEDITOR.dom.window.prototype = new CKEDITOR.dom.domObject();
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CKEDITOR.tools.extend( CKEDITOR.dom.window.prototype,
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/** @lends CKEDITOR.dom.window.prototype */
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{
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/**
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* Moves the selection focus to this window.
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* @function
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* @example
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* var win = new CKEDITOR.dom.window( window );
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* <b>win.focus()</b>;
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*/
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focus : function()
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{
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// Webkit is sometimes failed to focus iframe, blur it first(#3835).
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if ( CKEDITOR.env.webkit && this.$.parent )
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this.$.parent.focus();
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this.$.focus();
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},
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/**
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* Gets the width and height of this window's viewable area.
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* @function
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* @returns {Object} An object with the "width" and "height"
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* properties containing the size.
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* @example
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* var win = new CKEDITOR.dom.window( window );
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* var size = <b>win.getViewPaneSize()</b>;
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* alert( size.width );
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* alert( size.height );
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*/
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getViewPaneSize : function()
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{
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var doc = this.$.document,
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stdMode = doc.compatMode == 'CSS1Compat';
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return {
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width : ( stdMode ? doc.documentElement.clientWidth : doc.body.clientWidth ) || 0,
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height : ( stdMode ? doc.documentElement.clientHeight : doc.body.clientHeight ) || 0
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};
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},
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/**
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* Gets the current position of the window's scroll.
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* @function
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* @returns {Object} An object with the "x" and "y" properties
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* containing the scroll position.
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* @example
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* var win = new CKEDITOR.dom.window( window );
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* var pos = <b>win.getScrollPosition()</b>;
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* alert( pos.x );
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* alert( pos.y );
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*/
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getScrollPosition : function()
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{
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var $ = this.$;
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if ( 'pageXOffset' in $ )
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{
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return {
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x : $.pageXOffset || 0,
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y : $.pageYOffset || 0
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};
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}
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else
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{
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var doc = $.document;
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return {
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x : doc.documentElement.scrollLeft || doc.body.scrollLeft || 0,
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y : doc.documentElement.scrollTop || doc.body.scrollTop || 0
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};
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}
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}
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});
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