WidgetVisibilityStateAware (cockpitng 20.05.0-RC3 API)

All Known Implementing Classes:

DefaultEditorAreaController
```
public interface WidgetVisibilityStateAware
```
This interface should be implemented by Controllers of widgets that want to handle its state. Anytime when widget is switch from visible to hidden, or other way around, the method #handleVisibilityState(String)} should be invoked.

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  void handleVisibilityState(WidgetVisibilityState state)
  Handles state visibility widget state.

- Method Detail
  - handleVisibilityState
```
void handleVisibilityState(WidgetVisibilityState state)
```
    Handles state visibility widget state.
    
    Parameters:
    
    state - name of widget state. f.e.: #VISIBLE