Summary:
Methods
| [Expand All]
public
interface
DocumentScrollListener
| com.pspdfkit.listeners.scrolling.DocumentScrollListener |
 Known Indirect Subclasses
|
Class Overview
Interface for listeners that can receive scrolling events of a PdfFragment. This class
may be used to implement custom scroll indicators or scrollbar views.
Summary
| Public Methods | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| abstract void |
onDocumentScrolled(PdfFragment fragment, int currX, int currY, int maxX, int maxY, int extendX, int extendY)
Called whenever the document in the fragment scrolled.
| ||||||||||
| abstract void |
onScrollStateChanged(PdfFragment fragment, ScrollState state)
Called whenever the current scroll state of the
PdfFragment changed. | ||||||||||
Public Methods
public abstract void onDocumentScrolled (PdfFragment fragment, int currX, int currY, int maxX, int maxY, int extendX, int extendY)
Called whenever the document in the fragment scrolled. Values are expressed in an arbitrary
unit and may change with every call. Also maxX and maxY are not guaranteed to
remain the same between two calls.
Parameters
| fragment | The scrolled PdfFragment. |
|---|---|
| currX | Current scroll amount X. |
| currY | Current scroll amount Y. |
| maxX | Maximum scroll amount of the X dimension. |
| maxY | Maximum scroll amount of the Y dimension. |
| extendX | Extend of the visible content in the X dimension. |
| extendY | Extend of the visible content in the Y dimension. |
public abstract void onScrollStateChanged (PdfFragment fragment, ScrollState state)
Called whenever the current scroll state of the PdfFragment changed.
Parameters
| fragment | PdfFragment whose scroll state changed. |
|---|---|
| state | The new scroll state. |