On Mar 2, 2008, at 6:16 PM, Adam P Jenkins wrote:
Just call the "get" method on the track object that currentTrack
returns to get the iTunesFileTrack object. I.e. this works
iTunesFileTrack *currentTrack = [[iTunes currentTrack] get];
NSLog("location is %@", currentTrack.location);
The documentation for the "get" method from the SBObject.h header is:
// Evaluate the object by sending it to the target application.
Depending on what
// the object points to, the result may be a Foundation object such
as an NSString
// (for most properties), an NSAppleEventDescriptor (for properties
of a type with
// no Foundation equivalent), or another SBObject (for most
elements).
Another example of where you need to use it in the iTunes SB
interface is when accessing iTunes.selection property, which returns
an SBObject, but then if you call "get" on it, you get an NSCFArray
of tracks, which is what you wanted in the first place. I'm not
sure what the logic is behind the "get" method, but there it is.
I just read the detailed and very informative post that "has" just
posted about AppleScript's event semantics and scripting bridge, and
now I understand what the "get" method is for and why it needs to be
called. This also made me realize that what I posted above isn't
really safe since currentTrack won't always be a iTunesFileTrack. So
really you'd want something like:
iTunesTrack *currentTrack = [iTunes.currentTrack get];
if ([currentTrack isKindOfClass:[iTunesFileTrack class]]) {
iTunesFileTrack *fileTrack = (iTunesFileTrack*)currentTrack;
NSLog("location = %@", fileTrack.location);
}
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