3a9f8eea4f
"My" -> "Racket". The "My" prefix was from initial experiments, of course, and I just never got around to changing it before. I think these names go into a global namespace, though, at the ObjC level, so they need to have a distinct and Racket-specific prefix.
40 lines
1.1 KiB
Racket
40 lines
1.1 KiB
Racket
#lang racket/base
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(require ffi/unsafe
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ffi/unsafe/objc
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"utils.rkt"
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"types.rkt")
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(provide
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(protect-out play-sound))
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(import-class NSSound)
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(define-objc-class RacketSound NSSound
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[result
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sema]
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[-a _void (sound: [_id sound] didFinishPlaying: [_BOOL ok?])
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(set! result ok?)
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(semaphore-post sema)
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(tellv self release)])
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(define (play-sound path async?)
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(let ([s (as-objc-allocation
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(tell (tell RacketSound alloc)
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initWithContentsOfFile: #:type _NSString (path->string
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(path->complete-path path))
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byReference: #:type _BOOL #t))]
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[sema (make-semaphore)])
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(tellv s setDelegate: s)
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(set-ivar! s sema sema)
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; use the `retain' method instead of the `retain' function, because we
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; don't want a finalization-triggered release:
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(tellv s retain)
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(and (tell #:type _BOOL s play)
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(if async?
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#t
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(begin
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(semaphore-wait sema)
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(get-ivar s result))))))
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