ScrollImpl (GWT Javadoc)

java.lang.Object
- com.google.gwt.user.client.ui.ScrollImpl

Direct Known Subclasses:

ScrollImpl.ScrollImplTrident
```
class ScrollImpl
extends java.lang.Object
```
Implementation of scrolling behavior.

Nested Class Summary

Nested Classes
Modifier and Type	Class	Description
`(package private) static class`	`ScrollImpl.ScrollImplTrident`	IE does not fire a scroll event when the scrollable element or the container is resized, so we synthesize one as needed.

Constructor Summary

Constructors
Constructor Description

ScrollImpl()

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`(package private) static ScrollImpl`	`get()`	Get the singleton instance of `ScrollImpl`.
`int`	`getMaximumHorizontalScrollPosition(Element scrollable)`	Get the maximum horizontal scroll position.
`int`	`getMinimumHorizontalScrollPosition(Element scrollable)`	Get the minimum horizontal scroll position.
`void`	`initialize(Element scrollable, Element container)`	Initialize a scrollable element.
`boolean`	`isRtl(Element scrollable)`	Check if the specified element has an RTL direction.

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

- Constructor Detail
  - ScrollImpl
```
ScrollImpl()
```
- Method Detail
  - get
```
static ScrollImpl get()
```
    Get the singleton instance of ScrollImpl.
  - getMaximumHorizontalScrollPosition
```
public int getMaximumHorizontalScrollPosition(Element scrollable)
```
    Get the maximum horizontal scroll position.
    
    Parameters:
    
    scrollable - the scrollable element
    
    Returns:
    
    the maximum scroll position
  - getMinimumHorizontalScrollPosition
```
public int getMinimumHorizontalScrollPosition(Element scrollable)
```
    Get the minimum horizontal scroll position.
    
    Parameters:
    
    scrollable - the scrollable element
    
    Returns:
    
    the minimum scroll position
  - initialize
```
public void initialize(Element scrollable,
                       Element container)
```
    Initialize a scrollable element.
    
    Parameters:
    
    scrollable - the scrollable element
    
    container - the container
  - isRtl
```
public boolean isRtl(Element scrollable)
```
    Check if the specified element has an RTL direction. We can't base this on the current locale because the user can modify the direction at the DOM level.
    
    Parameters:
    
    scrollable - the scrollable element
    
    Returns:
    
    true if the direction is RTL, false if LTR