text: /**
   * @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
   * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
   */
  
  /**
   * @module table/tableselection/mouseeventsobserver
   */
  
  import { DomEventObserver } from 'ckeditor5/src/engine';
  
  /**
   * The mouse selection event observer.
   *
   * It registers listeners for the following DOM events:
   *
   * - `'mousemove'`
   * - `'mouseup'`
   * - `'mouseleave'`
   *
   * Note that this observer is disabled by default. To enable this observer, it needs to be added to
   * {@link module:engine/view/view~View} using the {@link module:engine/view/view~View#addObserver} method.
   *
   * The observer is registered by the {@link module:table/tableselection~TableSelection} plugin.
   *
   * @extends module:engine/view/observer/domeventobserver~DomEventObserver
   */
  export default class MouseEventsObserver extends DomEventObserver {
  	/**
  	 * @inheritDoc
  	 */
  	constructor( view ) {
  		super( view );
  
  		this.domEventType = [ 'mousemove', 'mouseup', 'mouseleave' ];
  	}
  
  	/**
  	 * @inheritDoc
  	 */
  	onDomEvent( domEvent ) {
  		this.fire( domEvent.type, domEvent );
  	}
  }
  
  /**
   * Fired when the mouse button is released over one of the editables.
   *
   * Introduced by {@link module:table/tableselection/mouseeventsobserver~MouseEventsObserver}.
   *
   * Note that this event is not available by default. To make it available,
   * {@link module:table/tableselection/mouseeventsobserver~MouseEventsObserver} needs to be added
   * to {@link module:engine/view/view~View} using the {@link module:engine/view/view~View#addObserver} method.
   *
   * @see module:table/tableselection/mouseeventsobserver~MouseEventsObserver
   * @event module:engine/view/document~Document#event:mouseup
   * @param {module:engine/view/observer/domeventdata~DomEventData} data Event data.
   */
  
  /**
   * Fired when the mouse is moved over one of the editables.
   *
   * Introduced by {@link module:table/tableselection/mouseeventsobserver~MouseEventsObserver}.
   *
   * Note that this event is not available by default. To make it available,
   * {@link module:table/tableselection/mouseeventsobserver~MouseEventsObserver} needs to be added
   * to {@link module:engine/view/view~View} using the {@link module:engine/view/view~View#addObserver} method.
   *
   * @see module:table/tableselection/mouseeventsobserver~MouseEventsObserver
   * @event module:engine/view/document~Document#event:mousemove
   * @param {module:engine/view/observer/domeventdata~DomEventData} data Event data.
   */
  
  /**
   * Fired when the mouse is moved out of one of the editables.
   *
   * Introduced by {@link module:table/tableselection/mouseeventsobserver~MouseEventsObserver}.
   *
   * Note that this event is not available by default. To make it available,
   * {@link module:table/tableselection/mouseeventsobserver~MouseEventsObserver} needs to be added
   * to {@link module:engine/view/view~View} using the {@link module:engine/view/view~View#addObserver} method.
   *
   * @see module:table/tableselection/mouseeventsobserver~MouseEventsObserver
   * @event module:engine/view/document~Document#event:mouseleave
   * @param {module:engine/view/observer/domeventdata~DomEventData} data Event data.
   */
  