public void UnregisterControl(IKinectUiControl control)
{
lock (controlDictionarySync)
{
controlDictionary.Remove(control.GetHashCode());
}
}
public void RegisterControl(IKinectUiControl control)
{
lock (controlDictionarySync)
{
controlDictionary[control.GetHashCode()] = control;
}
}
/// <summary>
/// Captures the cursor, causing the UiService to notify the Kinect movement only to the KinectUiControl that is currently active, regardless of the hit testing process.
/// </summary>
/// <param name="element">Element that will capture the cursor.</param>
public void CaptureCursor(IKinectUiControl element = null)
{
lock (isCursorCapturedSync)
{
currentActiveControl = element;
isCursorCaptured = true;
}
}
/// <summary>
/// Notifies the user interface registered controls based on the current state and the new position of the cursor position.
/// </summary>
/// <param name="normalizedX">New X position of the kinect cursor</param>
/// <param name="normalizedY">New Y position of the kinect cursor</param>
/// <param name="hasCursorPositionChanged">Boolean that indicates whether the normalizedX and normalizedY values are identical to the previous values</param>
protected void UpdateControls(double normalizedX, double normalizedY, bool hasCursorPositionChanged)
{
UiDispatcher.BeginInvoke(new Action(() =>
{
var newActiveControl = GetActiveControl(normalizedX, normalizedY);
if (newActiveControl == currentActiveControl)
{
if (newActiveControl != null && hasCursorPositionChanged)
{
newActiveControl.TriggerCursorMove(new KinectUiEventArgs()
{
NormalizedX = normalizedX, NormalizedY = normalizedY
});
}
if (newActiveControl != null && newActiveControl.IsActivationEnabled)
{
var elapsed = DateTime.Now - this.ActiveControlEnterTime;
var normalizedTime = Math.Min(1.0, elapsed.TotalMilliseconds / newActiveControl.ActivationTime.Value);
if (!IsControlActivated)
{
this.UpdateCursorsActivationProgress(normalizedTime);
}
if (normalizedTime == 1.0 && !IsControlActivated)
{
newActiveControl.TriggerActivation(new KinectUiEventArgs()
{
NormalizedX = normalizedX, NormalizedY = normalizedY
});
IsControlActivated = true;
}
}
}
else
{
if (newActiveControl != null)
{
newActiveControl.TriggerCursorEnter(new KinectUiEventArgs()
{
NormalizedX = normalizedX, NormalizedY = normalizedY
});
this.ActiveControlEnterTime = DateTime.Now;
}
if (currentActiveControl != null)
{
currentActiveControl.TriggerCursorLeave(new KinectUiEventArgs()
{
NormalizedX = normalizedX, NormalizedY = normalizedY
});
this.StopCursorsActivationCountdown();
}
IsControlActivated = false;
this.UpdateCursorsActivationProgress(0.0);
}
currentActiveControl = newActiveControl;
}));
}
public IKinectUiElementController Initialize(IKinectUiControl element)
{
this.associatedFrameworkElementReference = new WeakReference(element);
this.AssociatedControl = element;
if (AssociatedFrameworkElement == null)
{
throw new InvalidOperationException("IKinectUiControl must be a FrameworkElement");
}
this.KinectUiService.RegisterControl(this.AssociatedControl);
return(this);
}
