public EventToReactiveProperty3ViewModel()
{
// Throttleメソッドは指定した間、新たな値が発行されなかったら最後に発行された値を後続に流す
var pushingSpanMsec = 300.0;
/*
* 一番最初に思い付いた実装。ダサい
*/
MouseDownUnit
.Throttle(TimeSpan.FromMilliseconds(pushingSpanMsec))
.TakeUntil(MouseUpUnit) // ちょん押しを弾く
.ObserveOnUIDispatcher()
.Repeat()
.Subscribe(_ => MouseLongPushing1.TurnOn())
.AddTo(CompositeDisposable);
MouseUpUnit
.Where(_ => MouseLongPushing1.Value) // Push中のみ解除判定
.Subscribe(_ => MouseLongPushing1.TurnOff())
.AddTo(CompositeDisposable);
/*
* Finally を使って、上の処理を一文に無理やりまとめた版。
* ReadOnlyReactiveProperty に出来ていないのが残念…
*/
MouseLongPushing2 = MouseDownUnit
.Throttle(TimeSpan.FromMilliseconds(pushingSpanMsec))
.TakeUntil(MouseUpUnit) // ちょん押しを弾く
.ObserveOnUIDispatcher()
.Finally(() => MouseLongPushing2.Value = false)
.Repeat()
.Select(_ => true)
.ToReactiveProperty()
.AddTo(CompositeDisposable);
/*
* ◆ReadOnlyReactiveProperty を使って、一文にまとめられへんかなぁ…
*/
}
public EventToReactiveProperty1ViewModel()
{
PreviewMouseDownUnit
.Select(_ => nameof(PreviewMouseDownUnit).Replace("Unit", ""))
.Subscribe(x =>
{
MouseEventCounter.PreviewMouseDownCounter++;
NotifyPropertyChanged(nameof(MouseEventCounter));
})
.AddTo(CompositeDisposable);
MouseDownUnit
.Select(_ => nameof(MouseDownUnit).Replace("Unit", ""))
.Subscribe(x =>
{
MouseEventCounter.MouseDownCounter++;
NotifyPropertyChanged(nameof(MouseEventCounter));
})
.AddTo(CompositeDisposable);
MouseUpUnit
.Select(_ => nameof(MouseUpUnit).Replace("Unit", ""))
.Subscribe(x =>
{
MouseEventCounter.MouseUpCounter++;
NotifyPropertyChanged(nameof(MouseEventCounter));
})
.AddTo(CompositeDisposable);
PreviewMouseUpUnit
.Select(_ => nameof(PreviewMouseUpUnit).Replace("Unit", ""))
.Subscribe(x =>
{
MouseEventCounter.PreviewMouseUpCounter++;
NotifyPropertyChanged(nameof(MouseEventCounter));
})
.AddTo(CompositeDisposable);
}
