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1 | /** | |
2 | * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved. | |
3 | * For licensing, see LICENSE.md or http://ckeditor.com/license | |
4 | */ | |
5 | ||
6 | /** | |
7 | * @fileOverview Defines the {@link CKEDITOR.dom.document} class, which | |
8 | * represents a DOM document. | |
9 | */ | |
10 | ||
11 | /** | |
12 | * Represents a DOM window. | |
13 | * | |
14 | * var document = new CKEDITOR.dom.window( window ); | |
15 | * | |
16 | * @class | |
17 | * @extends CKEDITOR.dom.domObject | |
18 | * @constructor Creates a window class instance. | |
19 | * @param {Object} domWindow A native DOM window. | |
20 | */ | |
21 | CKEDITOR.dom.window = function( domWindow ) { | |
22 | CKEDITOR.dom.domObject.call( this, domWindow ); | |
23 | }; | |
24 | ||
25 | CKEDITOR.dom.window.prototype = new CKEDITOR.dom.domObject(); | |
26 | ||
27 | CKEDITOR.tools.extend( CKEDITOR.dom.window.prototype, { | |
28 | /** | |
29 | * Moves the selection focus to this window. | |
30 | * | |
31 | * var win = new CKEDITOR.dom.window( window ); | |
32 | * win.focus(); | |
33 | */ | |
34 | focus: function() { | |
35 | this.$.focus(); | |
36 | }, | |
37 | ||
38 | /** | |
39 | * Gets the width and height of this window's viewable area. | |
40 | * | |
41 | * var win = new CKEDITOR.dom.window( window ); | |
42 | * var size = win.getViewPaneSize(); | |
43 | * alert( size.width ); | |
44 | * alert( size.height ); | |
45 | * | |
46 | * @returns {Object} An object with the `width` and `height` | |
47 | * properties containing the size. | |
48 | */ | |
49 | getViewPaneSize: function() { | |
50 | var doc = this.$.document, | |
51 | stdMode = doc.compatMode == 'CSS1Compat'; | |
52 | return { | |
53 | width: ( stdMode ? doc.documentElement.clientWidth : doc.body.clientWidth ) || 0, | |
54 | height: ( stdMode ? doc.documentElement.clientHeight : doc.body.clientHeight ) || 0 | |
55 | }; | |
56 | }, | |
57 | ||
58 | /** | |
59 | * Gets the current position of the window's scroll. | |
60 | * | |
61 | * var win = new CKEDITOR.dom.window( window ); | |
62 | * var pos = win.getScrollPosition(); | |
63 | * alert( pos.x ); | |
64 | * alert( pos.y ); | |
65 | * | |
66 | * @returns {Object} An object with the `x` and `y` properties | |
67 | * containing the scroll position. | |
68 | */ | |
69 | getScrollPosition: function() { | |
70 | var $ = this.$; | |
71 | ||
72 | if ( 'pageXOffset' in $ ) { | |
73 | return { | |
74 | x: $.pageXOffset || 0, | |
75 | y: $.pageYOffset || 0 | |
76 | }; | |
77 | } else { | |
78 | var doc = $.document; | |
79 | return { | |
80 | x: doc.documentElement.scrollLeft || doc.body.scrollLeft || 0, | |
81 | y: doc.documentElement.scrollTop || doc.body.scrollTop || 0 | |
82 | }; | |
83 | } | |
84 | }, | |
85 | ||
86 | /** | |
87 | * Gets the frame element containing this window context. | |
88 | * | |
89 | * @returns {CKEDITOR.dom.element} The frame element or `null` if not in a frame context. | |
90 | */ | |
91 | getFrame: function() { | |
92 | var iframe = this.$.frameElement; | |
93 | return iframe ? new CKEDITOR.dom.element.get( iframe ) : null; | |
94 | } | |
95 | } ); |