Converts a cursor to a sequence of items.
Converts a cursor to a sequence of items.
type of item
the cursor
function that converts one cursor row to an item
a sequence of items
Called when the progress of still ongoing downloads has been updated.
Called when the progress of still ongoing downloads has been updated.
Note that this method is not called when a download is completed.
all downloads with status STATUS_RUNNING
the status of a download that has previously started wrapped in an Option, or None if it's not started yet