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Re: Problems with ScriptingBridge and iTunes
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Re: Problems with ScriptingBridge and iTunes


  • Subject: Re: Problems with ScriptingBridge and iTunes
  • From: Adam P Jenkins <email@hidden>
  • Date: Sun, 2 Mar 2008 18:16:30 -0500

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.

Adam

On Mar 1, 2008, at 8:28 PM, Hannes Petri wrote:

Hello!

I want to retrieve the path to the currently played file in iTunes. I thought scripting bridge would be the perfect tool for this, however i've run into some problem. I have this code:

iTunesApplication *iTunes = [[SBApplication alloc] initWithBundleIdentifier:@"com.apple.iTunes"];
iTunesTrack *currentTrack = [iTunes currentTrack];

if ([currentTrack isKindOfClass:[iTunesFileTrack class]]) {
…
}


The problem is, that the class of the object returned is _always_ iTunesTrack, and not iTunesFileTrack, as i expect it to be. If i run the following applescript code:

tell application "iTunes" to current track

I get a "file track", which makes it possible to fetch the path using the "location" attribute. If I, in the ObjC example, try [currentTrack location], I'm told that it doesn't respond to that selector.
I have made certain that the object is of class iTunesTrack by typing 'po [currentTrack class]' in gdb.


Very thankful for help!


Hannes Petri_______________________________________________

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    • Re: Problems with ScriptingBridge and iTunes
      • From: Adam P Jenkins <email@hidden>
References: 
 >Problems with ScriptingBridge and iTunes (From: Hannes Petri <email@hidden>)

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