NotificationHandler (JxBrowser 6.23.1 API)

```
public interface NotificationHandler
```
The handler interface for receiving browser HTML5 desktop common notification events. To receive browser notification events user should register the {@link NotificationHandler} implementation invoking the setNotificationHandler() method of the NotificationService. Appropriate handler methods implemented will be invoked when browser performs notification actions.
处理程序接口，用于接收浏览器HTML5桌面常见通知事件。要接收浏览器通知事件，用户应注册{@link NotificationHandler}实现，以调用NotificationService的setNotificationHandler（）方法。当浏览器执行通知操作时，将调用实现的适当处理程序方法。

All Methods Instance Methods Abstract Methods
Modifier and Type	Method and Description
`void`	`onShowNotification(NotificationEvent event)` Invoked when browser informs that a new notification should be displayed. 当浏览器通知应显示新的通知时调用。

Interface NotificationHandler