public void TestInitialFalse()
{
var notifier = new BooleanNotifier(false);
var recorder = new TestScheduler().CreateObserver<bool>();
notifier.Subscribe(recorder);
notifier.Value.Is(false);
notifier.TurnOn();
notifier.TurnOff();
notifier.Value = true;
notifier.Value = true;
notifier.Value = false;
notifier.TurnOn();
notifier.SwitchValue();
notifier.SwitchValue();
recorder.Messages.Is(
OnNext(0, true),
OnNext(0, false),
OnNext(0, true),
OnNext(0, true),
OnNext(0, false),
OnNext(0, true),
OnNext(0, false),
OnNext(0, true));
recorder.Messages.Clear();
notifier.TurnOn();
recorder.Messages.Count.Is(0);
}
public void TestInitialFalse()
{
var notifier = new BooleanNotifier(false);
var recorder = new TestScheduler().CreateObserver <bool>();
notifier.Subscribe(recorder);
notifier.Value.Is(false);
notifier.TurnOn();
notifier.TurnOff();
notifier.Value = true;
notifier.Value = true;
notifier.Value = false;
notifier.TurnOn();
notifier.SwitchValue();
notifier.SwitchValue();
recorder.Messages.Is(
OnNext(0, true),
OnNext(0, false),
OnNext(0, true),
OnNext(0, true),
OnNext(0, false),
OnNext(0, true),
OnNext(0, false),
OnNext(0, true));
recorder.Messages.Clear();
notifier.TurnOn();
recorder.Messages.Count.Is(0);
}
public TimerStartCommandViewModel()
{
// ctorからカウント開始
var ctorDateTime = DateTime.Now;
MyTimer1 = Observable.Interval(TimeSpan.FromSeconds(1))
.Select(_ => DateTime.Now - ctorDateTime)
.ToReadOnlyReactivePropertySlim()
.AddTo(CompositeDisposable);
#if false
// 1. DataTime.Now からの差分でカウント ◆もう少しかっちょよい実装ない？
var clickDateTime = DateTime.MinValue;
MyTimer2 = Observable.Interval(TimeSpan.FromSeconds(1))
.Where(_ => clickDateTime != DateTime.MinValue)
.Select(_ => DateTime.Now - clickDateTime)
.ToReadOnlyReactivePropertySlim()
.AddTo(CompositeDisposable);
StartCommand = new ReactiveCommand()
.WithSubscribe(() => clickDateTime = DateTime.Now, CompositeDisposable.Add);
StopCommand = new ReactiveCommand()
.WithSubscribe(() => clickDateTime = DateTime.MinValue, CompositeDisposable.Add);
#else
// 2. BooleanNotifier で管理。Command.CanExecute も取れるので良い感じ
var timerRunning = new BooleanNotifier(); // BooleanNotifier は IDisposable じゃないので Good！
//var timerRunning = new ReactivePropertySlim<bool>(initialValue: false).AddTo(CompositeDisposable);
MyTimer2 = Observable.Interval(TimeSpan.FromSeconds(1))
.TakeWhile(_ => timerRunning.Value)
.Repeat()
.Select(sec => TimeSpan.FromSeconds(sec))
.ToReadOnlyReactivePropertySlim()
.AddTo(CompositeDisposable);
StartCommand = timerRunning.Inverse()
.ToReactiveCommand(!timerRunning.Value)
.WithSubscribe(() => timerRunning.TurnOn(), CompositeDisposable.Add);
// ◆BooleanNotifier は (Rpと違って) Subscribe 時に LatestValue を発行しないので初期値の指定が必要する
StopCommand = timerRunning
.ToReactiveCommand(timerRunning.Value)
.WithSubscribe(() => timerRunning.TurnOff(), CompositeDisposable.Add);
#endif
}
internal async Task <bool> SetInputtedKeyAsync(Key actualKey, BooleanNotifier notMatchedKeyNotifier, BooleanNotifier keyMissingNotifier)
{
if (actualKey.TryToChar(out var actualChar))
{
this.KeyInputtedCount.Value++;
this.InputtedKey.Value = actualChar;
if (actualKey == this.ExpectedKey.Value.ToKey())
{
notMatchedKeyNotifier.TurnOff();
return(true);
}
this.KeyMistakedCount.Value++;
notMatchedKeyNotifier.TurnOn();
keyMissingNotifier.TurnOn();
var task1 = AppContextService.BeepAsync();
var task2 = Task.Delay(TimeSpan.FromSeconds(0.2));
await Task.WhenAny(task1, task2);
keyMissingNotifier.TurnOff();
}
return(false);
}
public DevicePageViewModel(UnconnectedImbleDevice unconnectedDevice)
{
this.Device = Observable.FromAsync(token => unconnectedDevice.Connect(token))
.CatchIgnore((Exception e) => { })
.ToReadOnlyReactiveProperty()
.AddTo(this.disposables);
this.IsConnected = this.Device.Select(device => device != null).ToReadOnlyReactiveProperty().AddTo(this.disposables);
this.DeviceStatus = this.Device
.Where(device => device != null)
.Select(device => device.ObserveProperty(self => self.Status))
.Switch()
.Do(value => Debug.WriteLine(value))
.ObserveOnUIDispatcher()
.ToReadOnlyReactiveProperty()
.AddTo(this.disposables);
this.ReceivedMessage = this.Device
.Where(device => device != null)
.Select(device => Observable.FromEventPattern <DataArrivedEventArgs>(handler => device.DataArrived += handler, handler => device.DataArrived -= handler))
.Switch()
.Select(args => new ReceivedMessageViewModel(args.EventArgs.Data, args.EventArgs.Timestamp))
.OnErrorRetry()
.ToReadOnlyReactiveProperty()
.AddTo(this.disposables);
var notBusyNotifier = new BooleanNotifier(false);
this.Name = new ReactiveProperty <string>("Fuga")
.SetValidateNotifyError(value => value != null && Encoding.UTF8.GetByteCount(value) < 12 ? null : "Input short message")
.AddTo(this.disposables);
this.CanSendCommand = Observable.CombineLatest(
this.DeviceStatus.Select(status => status == ImbleDeviceStatus.Running),
this.Name.ObserveHasErrors,
notBusyNotifier.Do(value => Debug.WriteLine(value)),
(isRunning, hasErrors, notBusy) => isRunning && !hasErrors && notBusy)
.ToReadOnlyReactiveProperty().AddTo(this.disposables);
notBusyNotifier.TurnOn();
this.SendCommand = this.CanSendCommand.ToReactiveCommand().AddTo(this.disposables);
this.SendCommand
.Do(_ => notBusyNotifier.TurnOff())
.Select(_ =>
{
var data = Encoding.UTF8.GetBytes(this.Name.Value);
return(Observable.FromAsync(token =>
{
using (var timeoutTokenSource = new CancellationTokenSource(TimeSpan.FromSeconds(5)))
using (var linkedTokenSource = CancellationTokenSource.CreateLinkedTokenSource(token, timeoutTokenSource.Token))
{
return this.Device.Value.SendAsync(data, 0, data.Length, linkedTokenSource.Token);
}
})
.Finally(() => notBusyNotifier.TurnOn()));
})
.Switch()
.OnErrorRetry((Exception e) => Debug.WriteLine(e))
.Subscribe()
.AddTo(this.disposables);
}
public DevicePageViewModel(UnconnectedImbleDevice unconnectedDevice)
{
this.Device = Observable.FromAsync(token => unconnectedDevice.Connect(token))
.CatchIgnore((Exception e) => { })
.ToReadOnlyReactiveProperty()
.AddTo(this.disposables);
this.IsConnected = this.Device.Select(device => device != null).ToReadOnlyReactiveProperty().AddTo(this.disposables);
this.DeviceStatus = this.Device
.Where(device => device != null)
.Select(device => device.ObserveProperty(self => self.Status))
.Switch()
.Do(value => Debug.WriteLine(value))
.ObserveOnUIDispatcher()
.ToReadOnlyReactiveProperty()
.AddTo(this.disposables);
this.ReceivedMessage = this.Device
.Where(device => device != null)
.Select(device => Observable.FromEventPattern<DataArrivedEventArgs>(handler => device.DataArrived += handler, handler => device.DataArrived -= handler))
.Switch()
.Select(args => new ReceivedMessageViewModel(args.EventArgs.Data, args.EventArgs.Timestamp))
.OnErrorRetry()
.ToReadOnlyReactiveProperty()
.AddTo(this.disposables);
var notBusyNotifier = new BooleanNotifier(false);
this.Name = new ReactiveProperty<string>("Fuga")
.SetValidateNotifyError(value => value != null && Encoding.UTF8.GetByteCount(value) < 12 ? null : "Input short message")
.AddTo(this.disposables);
this.CanSendCommand = Observable.CombineLatest(
this.DeviceStatus.Select(status => status == ImbleDeviceStatus.Running),
this.Name.ObserveHasErrors,
notBusyNotifier.Do(value => Debug.WriteLine(value)),
(isRunning, hasErrors, notBusy) => isRunning && !hasErrors && notBusy)
.ToReadOnlyReactiveProperty().AddTo(this.disposables);
notBusyNotifier.TurnOn();
this.SendCommand = this.CanSendCommand.ToReactiveCommand().AddTo(this.disposables);
this.SendCommand
.Do(_ => notBusyNotifier.TurnOff())
.Select(_ =>
{
var data = Encoding.UTF8.GetBytes(this.Name.Value);
return Observable.FromAsync(token =>
{
using (var timeoutTokenSource = new CancellationTokenSource(TimeSpan.FromSeconds(5)))
using (var linkedTokenSource = CancellationTokenSource.CreateLinkedTokenSource(token, timeoutTokenSource.Token))
{
return this.Device.Value.SendAsync(data, 0, data.Length, linkedTokenSource.Token);
}
})
.Finally(() => notBusyNotifier.TurnOn());
})
.Switch()
.OnErrorRetry((Exception e) => Debug.WriteLine(e))
.Subscribe()
.AddTo(this.disposables);
}
