apple.quicklook.protocol

Interface QLPreviewControllerDataSource

public interface QLPreviewControllerDataSource

The QLPreviewControllerDataSource protocol declares the methods that the Preview Controller uses to access the contents of its data source object.

Method Summary

Modifier and Type	Method and Description
long	numberOfPreviewItemsInPreviewController(QLPreviewController controller) Returns the number of items that the preview controller should preview.
QLPreviewItem	previewControllerPreviewItemAtIndex(QLPreviewController controller, long index) Returns the item that the preview controller should preview.

Method Detail

numberOfPreviewItemsInPreviewController

long numberOfPreviewItemsInPreviewController(QLPreviewController controller)

Returns the number of items that the preview controller should preview.

Parameters:

controller - The Preview Controller.

Returns:

The number of items.

previewControllerPreviewItemAtIndex

QLPreviewItem previewControllerPreviewItemAtIndex(QLPreviewController controller,
                                                  long index)

Returns the item that the preview controller should preview.

Parameters:

controller - The Preview Controller.

index - The index of the item to preview.

Returns:

An item conforming to the QLPreviewItem protocol.