Hi Everyone,
I've been thinking about scripting for a little while. The Apple
solution is ported from MacOS Classic, and isn't a sensible model to
implement, I think, because it is horrible to use from Objective-C
(the only way I've really found of scripting a Cocoa application is
to generate a text string containing AppleScript, which is then
turned back into Cocoa events on the other side).
Probably the simplest thing to do is define a 'remote scripting
object' at a well-known location to be exported via DO. This would
export a few primitive methods and expose any functionality desired
for remote control.
From Smalltalk, I would imagine you'd then run something like this:
Script tellApplication:'Melodie' to:[ :theApp |
" Loads of Smalltalk code sending messages to theApp, a DO proxy for
the scripting object"
]
From Objective-C, you would just get the DO proxy and send it
messages yourself (you could do this with Smalltalk too, but blocks
let us do it in a slightly more clean way).
So, the real question is what methods should every app's scripting
proxy implement?
David
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