joomla/joomla-cms — pull request #590 by okonomiyaki3000 (2012-12-04 01:15:08+00:00)
Title: Use values from $object_file for file operations. 

Enables plugins to manipulate such things as uploaded file names.

This patch is for this:
http://joomlacode.org/gf/project/joomla/tracker/?action=TrackerItemEdit&tracker_id=8103&tracker_item_id=29776