32 lines
826 B
GDScript3
32 lines
826 B
GDScript3
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static func ref_count_() -> Callable:
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var connectable_subscription = RefValue.Null()
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var count = RefValue.Set(0)
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var ref_count = func(source : ConnectableObservable) -> Observable:
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var subscribe = func(
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observer : ObserverBase,
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scheduler : SchedulerBase = null
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) -> DisposableBase:
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count.v += 1
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var should_connect = count.v == 1
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var subscription = source.subscribe(
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observer, GDRx.basic.noop, GDRx.basic.noop,
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scheduler
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)
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if should_connect:
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connectable_subscription.v = source.connect_observable(scheduler)
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var dispose = func():
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subscription.dispose()
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count.v -= 1
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if count.v <= 0 and connectable_subscription.v != null:
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connectable_subscription.v.dispose()
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return Disposable.new(dispose)
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return Observable.new(subscribe)
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return ref_count
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