1 files changed, 95 insertions, 0 deletions
diff --git a/core/dom/window.js b/core/dom/window.js
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+++ b/core/dom/window.js
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+/**
+ * @license Copyright (c) 2003-2013, CKSource - Frederico Knabben. All rights reserved.
+ * For licensing, see LICENSE.html 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;
+	}
+});