On Apr 11, 2010, at 10:14 AM, jonat...@mugginsoft.com wrote:

> My questions are:
> 
> 1. Presumably I have to target a fully fledged application bundle and cannot 
> somehow route my AE requests to the foundation tool itself.
> 
> 2. Can I embed the helper app in the main app bundle and engineer some way 
> for AppleScript to be able to target it?
> I seem to remember reading something about app bundles enclosed with other 
> apps but cannot recall it.
> I don't really want to have two external app bundles.
> 
> 3.When configuring a Cocoa app to behave like Image events.app is it 
> sufficient just to declare  LSBackgroundOnly = "1" in the info.plist?


My PreFab UI Actions product consists of a standard application with a 
full-fledged GUI, plus a scriptable "faceless background application" (FBA). 
The FBA acts somewhat like a traditional scripting addition (OSAX), but it is 
actually a standard Cocoa application package with LSUIElement = 1. Because the 
FBA serves the same overall purpose as a scripting addition, my main 
application installs it in the user or local ScriptingAdditions folder. The 
main application gives the user an option to launch the FBA every time the 
computer starts up, and of course the FBA is automatically launched any time an 
AppleScript 'tell' command is directed to it.

I use LSUIElement = 1 to keep the FBA out of the Dock, etc. I do NOT use 
LSBackgroundOnly = 1, because I want the FBA to be able to present an alert 
from time to time, and when I do that I bring it to the front for easy user 
input.

This is a fairly common pattern.

--

Bill Cheeseman
b...@cheeseman.name



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