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Diffstat (limited to 'sources/core/dom/window.js')
-rw-r--r-- | sources/core/dom/window.js | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/sources/core/dom/window.js b/sources/core/dom/window.js new file mode 100644 index 0000000..ceeaeff --- /dev/null +++ b/sources/core/dom/window.js | |||
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1 | /** | ||
2 | * @license Copyright (c) 2003-2017, 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 | } ); | ||