96 lines
2.4 KiB
JavaScript
96 lines
2.4 KiB
JavaScript
/**
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* @license Copyright (c) 2003-2018, CKSource - Frederico Knabben. All rights reserved.
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* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-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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*
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* var document = new CKEDITOR.dom.window( window );
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*
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* @class
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* @extends CKEDITOR.dom.domObject
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* @constructor Creates a window class instance.
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* @param {Object} domWindow A native DOM window.
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*/
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CKEDITOR.dom.window = function( domWindow ) {
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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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/**
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* Moves the selection focus to this window.
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*
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* var win = new CKEDITOR.dom.window( window );
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* win.focus();
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*/
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focus: function() {
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this.$.focus();
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},
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/**
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* Gets the width and height of this window's viewable area.
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*
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* var win = new CKEDITOR.dom.window( window );
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* var size = win.getViewPaneSize();
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* alert( size.width );
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* alert( size.height );
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*
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* @returns {Object} An object with the `width` and `height`
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* properties containing the size.
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*/
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getViewPaneSize: function() {
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var doc = this.$.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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*
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* var win = new CKEDITOR.dom.window( window );
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* var pos = win.getScrollPosition();
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* alert( pos.x );
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* alert( pos.y );
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*
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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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*/
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getScrollPosition: function() {
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var $ = this.$;
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if ( 'pageXOffset' in $ ) {
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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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} else {
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var doc = $.document;
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return {
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x: doc.documentElement.scrollLeft || doc.body.scrollLeft || 0,
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y: doc.documentElement.scrollTop || doc.body.scrollTop || 0
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};
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}
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},
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/**
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* Gets the frame element containing this window context.
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*
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* @returns {CKEDITOR.dom.element} The frame element or `null` if not in a frame context.
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*/
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getFrame: function() {
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var iframe = this.$.frameElement;
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return iframe ? new CKEDITOR.dom.element.get( iframe ) : null;
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}
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} );
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