VisualNavigator

All Implemented Interfaces:

org.readium.r2.navigator.Navigator
```
public interface VisualNavigator
 implements Navigator
                    
```
A navigator rendering the publication visually on-screen.

Nested Class Summary

Nested Classes
Modifier and Type	Class	Description
`public interface`	`VisualNavigator.Presentation`
`public interface`	`VisualNavigator.Listener`

Method Summary

Modifier and Type	Method	Description
`Locator`	`firstVisibleElementLocator()`	Returns the Locator to the first content element that begins on the current screen.
`abstract Unit`	`addInputListener(InputListener listener)`	Adds a new InputListener to receive touch, mouse or keyboard events.
`abstract Unit`	`removeInputListener(InputListener listener)`	Removes a previously registered InputListener.
`abstract View`	`getPublicationView()`	View displaying the publication.
`StateFlow<Object>`	`getPresentation()`
`abstract ReadingProgression`	`getReadingProgression()`	Current reading progression direction.
`abstract StateFlow<Locator>`	`getCurrentLocator()`	Current position in the publication.
`Locator`	`getCurrentLocation()`

Methods inherited from class org.readium.r2.navigator.VisualNavigator
go, go
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Method Detail
  - firstVisibleElementLocator
```
 Locator firstVisibleElementLocator()
```
    Returns the Locator to the first content element that begins on the current screen.
  - addInputListener
```
 abstract Unit addInputListener(InputListener listener)
```
    Adds a new InputListener to receive touch, mouse or keyboard events.
    Registration order is critical, as listeners may consume the events and prevent others from receiving them.
  - removeInputListener
```
 abstract Unit removeInputListener(InputListener listener)
```
    Removes a previously registered InputListener.
  - getPublicationView
```
 abstract View getPublicationView()
```
    View displaying the publication.
  - getPresentation
```
 StateFlow<Object> getPresentation()
```
  - getReadingProgression
```
 abstract ReadingProgression getReadingProgression()
```
    Current reading progression direction.
  - getCurrentLocator
```
 abstract StateFlow<Locator> getCurrentLocator()
```
    Current position in the publication. Can be used to save a bookmark to the current position.
  - getCurrentLocation
```
 Locator getCurrentLocation()
```