73 lines
1.4 KiB
GDScript
73 lines
1.4 KiB
GDScript
extends ObserverBase
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class_name AutoDetachObserver
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var _on_next : Callable
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var _on_error : Callable
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var _on_completed : Callable
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var _subscription : SingleAssignmentDisposable
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var is_stopped : bool
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var this : AutoDetachObserver
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func _init(
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on_next_ : Callable = GDRx.basic.noop,
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on_error_ : Callable = GDRx.basic.noop,
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on_completed_ : Callable = GDRx.basic.noop):
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this = self
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this.unreference()
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self._on_next = on_next_
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self._on_error = on_error_
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self._on_completed = on_completed_
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self._subscription = SingleAssignmentDisposable.new()
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self.is_stopped = false
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func on_next(i):
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if self.is_stopped:
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return
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self._on_next.call(i)
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func on_error(e):
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if self.is_stopped:
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return
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self.is_stopped = true
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GDRx.try(func():
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self._on_error.call(e)
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).end_try_catch()
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self.dispose()
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func on_completed():
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if self.is_stopped:
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return
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self.is_stopped = true
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GDRx.try(func():
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self._on_completed.call()
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).end_try_catch()
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self.dispose()
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func set_disposable(value : DisposableBase):
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self._subscription.disposable = value
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var subscription: set = set_disposable
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func dispose():
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this.is_stopped = true
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this._subscription.dispose()
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func fail(err) -> bool:
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if self.is_stopped:
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return false
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self.is_stopped = true
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self._on_error.call(err)
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return true
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func _notification(what):
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if what == NOTIFICATION_PREDELETE:
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this.dispose()
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