/** * @license Copyright (c) 2003-2015, CKSource - Frederico Knabben. All rights reserved. * For licensing, see LICENSE.md. */ /** * @module engine/view/observer/mouseobserver */ import DomEventObserver from './domeventobserver'; /** * Mouse events observer. * * Note that this observer is not available by default. To make it available it needs to be added to * {@link module:engine/view/document~Document} * by {@link module:engine/view/document~Document#addObserver} method. * * @extends module:engine/view/observer/domeventobserver~DomEventObserver */ export default class MouseObserver extends DomEventObserver { constructor( document ) { super( document ); this.domEventType = 'mousedown'; } onDomEvent( domEvent ) { this.fire( domEvent.type, domEvent ); } } /** * Fired when mouse button is pressed down on one of the editables. * * Introduced by {@link module:engine/view/observer/mouseobserver~MouseObserver}. * * Note that this event is not available by default. To make it available {@link module:engine/view/observer/mouseobserver~MouseObserver} * needs to be added to {@link module:engine/view/document~Document} by a {@link module:engine/view/document~Document#addObserver} method. * * @see module:engine/view/observer/mouseobserver~MouseObserver * @event module:engine/view/document~Document#event:mousedown * @param {module:engine/view/observer/domeventdata~DomEventData} data Event data. */