Package com.vaadin.swingkit.server

Class EventEmitter

java.lang.Object

com.vaadin.swingkit.server.EventEmitter

All Implemented Interfaces:

EmbeddedBrowserJSCaller

public abstract class EventEmitter
extends Object
implements EmbeddedBrowserJSCaller

Abstract class to be extended by embedded browsers implementations to emit asynchronous events from Vaadin side to Swing side. It implements EmbeddedBrowserJSCaller interface.

Author:

Vaadin Ltd

Constructor Summary

Constructors

Constructor	Description
EventEmitter()

Method Summary

Modifier and Type	Method	Description
protected com.vaadin.flow.component.page.PendingJavaScriptResult	checkContext()
void	emit(VaadinSwingEvent event)	Method to emit a VaadinSwingEvent from a Vaadin view that will be received by the JVaadinPanel hosting the view on the Swing app.
protected com.vaadin.flow.component.page.PendingJavaScriptResult	executeQuery()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface com.vaadin.swingkit.server.EmbeddedBrowserJSCaller

getBrowserName, getCheckDefinedJS, getQueryJS

Constructor Details

EventEmitter

public EventEmitter()

Method Details

emit

public void emit(VaadinSwingEvent event)
          throws EmbeddedBrowserException

Method to emit a VaadinSwingEvent from a Vaadin view that will be received by the JVaadinPanel hosting the view on the Swing app. Handler of this event has to be implemented on the Swing app and can recognize the event using getType

Parameters:

event - The VaadinSwingEvent emitted

Throws:

EmbeddedBrowserException - Thrown if no SwingKit embedded browser is detected.

checkContext

protected com.vaadin.flow.component.page.PendingJavaScriptResult checkContext()

executeQuery

protected com.vaadin.flow.component.page.PendingJavaScriptResult executeQuery()