improved latest download proxy for SL - always returns right file

[pjrobertson]

It was annoying me that the fileModificationDate method doesn't always return the right date we want — i.e. when the file was saved to your computer, so I've written some SL specific code that uses NSURLs and the NSURLAttributeModificationDateKey which works consistently.

On a side note, I've used [NSFileManager alloc] init] instead of [NSFileManager defaultManager] as the docs specify:

In Mac OS X v 10.5 and later you should consider using [[NSFileManager alloc] init] rather than the singleton method defaultManager. Using [[NSFileManager alloc] init] instead, the resulting NSFileManager instance is thread safe.

Also feels snappier for me :)

[skurfer]

It was annoying me that the fileModificationDate method doesn't always return the right date we want

Same here. I’m glad you found a way around it. (Although I thought you said you didn’t see this problem.)

[pjrobertson]

I didn't, but then I did! I guess it all depends on the file you were downloading :)