VisibilityChangeData (zk 10.0.0 API)

java.lang.Object
- org.zkoss.stateless.action.data.VisibilityChangeData

```
public class VisibilityChangeData
extends java.lang.Object
```
The VisibilityChangeAction is used to notify current page/tab's visibility state. Only worked if the browser support HTML 5 Page Visibility API.
This action is sent if and only if it is registered to a root component.

Author:

jumperchen

Constructor Summary

Constructors
Constructor Description

VisibilityChangeData()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`java.lang.String`	`getVisibilityState()`	Return the current page's visibility state.
`boolean`	`isHidden()`	Return the current page is hidden or not.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - VisibilityChangeData
```
public VisibilityChangeData()
```
- Method Detail
  - getVisibilityState
```
public java.lang.String getVisibilityState()
```
    Return the current page's visibility state.
    Refer to HTML 5 Page Visibility API for more information.
  - isHidden
```
public boolean isHidden()
```
    Return the current page is hidden or not.
    Refer to HTML 5 Page Visibility API for more information.