| 1 | /*
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| 2 | Copyright (c) 2003-2011, CKSource - Frederico Knabben. All rights reserved.
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| 3 | For licensing, see LICENSE.html or http://ckeditor.com/license
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| 4 | */
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| 5 |
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| 6 | /**
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| 7 | * @fileOverview Defines the {@link CKEDITOR.dom.document} class, which
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| 8 | * represents a DOM document.
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| 9 | */
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| 10 |
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| 11 | /**
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| 12 | * Represents a DOM window.
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| 13 | * @constructor
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| 14 | * @augments CKEDITOR.dom.domObject
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| 15 | * @param {Object} domWindow A native DOM window.
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| 16 | * @example
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| 17 | * var document = new CKEDITOR.dom.window( window );
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| 18 | */
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| 19 | CKEDITOR.dom.window = function( domWindow )
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| 20 | {
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| 21 | CKEDITOR.dom.domObject.call( this, domWindow );
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| 22 | };
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| 23 |
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| 24 | CKEDITOR.dom.window.prototype = new CKEDITOR.dom.domObject();
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| 25 |
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| 26 | CKEDITOR.tools.extend( CKEDITOR.dom.window.prototype,
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| 27 | /** @lends CKEDITOR.dom.window.prototype */
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| 28 | {
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| 29 | /**
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| 30 | * Moves the selection focus to this window.
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| 31 | * @function
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| 32 | * @example
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| 33 | * var win = new CKEDITOR.dom.window( window );
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| 34 | * <b>win.focus()</b>;
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| 35 | */
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| 36 | focus : function()
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| 37 | {
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| 38 | // Webkit is sometimes failed to focus iframe, blur it first(#3835).
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| 39 | if ( CKEDITOR.env.webkit && this.$.parent )
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| 40 | this.$.parent.focus();
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| 41 | this.$.focus();
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| 42 | },
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| 43 |
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| 44 | /**
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| 45 | * Gets the width and height of this window's viewable area.
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| 46 | * @function
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| 47 | * @returns {Object} An object with the "width" and "height"
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| 48 | * properties containing the size.
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| 49 | * @example
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| 50 | * var win = new CKEDITOR.dom.window( window );
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| 51 | * var size = <b>win.getViewPaneSize()</b>;
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| 52 | * alert( size.width );
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| 53 | * alert( size.height );
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| 54 | */
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| 55 | getViewPaneSize : function()
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| 56 | {
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| 57 | var doc = this.$.document,
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| 58 | stdMode = doc.compatMode == 'CSS1Compat';
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| 59 | return {
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| 60 | width : ( stdMode ? doc.documentElement.clientWidth : doc.body.clientWidth ) || 0,
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| 61 | height : ( stdMode ? doc.documentElement.clientHeight : doc.body.clientHeight ) || 0
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| 62 | };
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| 63 | },
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| 64 |
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| 65 | /**
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| 66 | * Gets the current position of the window's scroll.
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| 67 | * @function
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| 68 | * @returns {Object} An object with the "x" and "y" properties
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| 69 | * containing the scroll position.
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| 70 | * @example
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| 71 | * var win = new CKEDITOR.dom.window( window );
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| 72 | * var pos = <b>win.getScrollPosition()</b>;
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| 73 | * alert( pos.x );
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| 74 | * alert( pos.y );
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| 75 | */
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| 76 | getScrollPosition : function()
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| 77 | {
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| 78 | var $ = this.$;
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| 79 |
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| 80 | if ( 'pageXOffset' in $ )
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| 81 | {
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| 82 | return {
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| 83 | x : $.pageXOffset || 0,
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| 84 | y : $.pageYOffset || 0
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| 85 | };
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| 86 | }
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| 87 | else
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| 88 | {
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| 89 | var doc = $.document;
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| 90 | return {
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| 91 | x : doc.documentElement.scrollLeft || doc.body.scrollLeft || 0,
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| 92 | y : doc.documentElement.scrollTop || doc.body.scrollTop || 0
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| 93 | };
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| 94 | }
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| 95 | }
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| 96 | });
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