/// <summary>
/// Occurs when detaching the behavior
/// </summary>
protected override void OnDetaching()
{
base.OnDetaching();
this.manipulationProcessor.Started -= OnManipulationStarted;
this.manipulationProcessor.Delta -= OnManipulationDelta;
this.manipulationProcessor.Completed -= OnManipulationCompleted;
this.inertiaProcessor.Delta -= OnManipulationDelta;
this.inertiaProcessor.Completed -= OnInertiaCompleted;
this.inertiaTimer.Tick -= OnTimerTick;
this.AssociatedObject.MouseLeftButtonUp -= OnMouseUp;
this.AssociatedObject.MouseLeftButtonDown -= OnMouseDown;
this.AssociatedObject.MouseMove -= OnMouseMove;
this.AssociatedObject.LostMouseCapture -= OnLostMouseCapture;
TouchHelper.EnableInput(false);
this.AssociatedObject.Loaded -= (s1, e1) => { };
}
/// <summary>
/// Initialize the behavior
/// </summary>
protected override void OnAttached()
{
base.OnAttached();
this.manipulationProcessor = new ManipulationProcessor2D(SupportedManipulations);
this.manipulationProcessor.Started += OnManipulationStarted;
this.manipulationProcessor.Delta += OnManipulationDelta;
this.manipulationProcessor.Completed += OnManipulationCompleted;
this.inertiaProcessor = new InertiaProcessor2D();
this.inertiaProcessor.TranslationBehavior.DesiredDeceleration = Deceleration;
this.inertiaProcessor.RotationBehavior.DesiredDeceleration = AngularDeceleration;
this.inertiaProcessor.ExpansionBehavior.DesiredDeceleration = ExpansionDeceleration;
this.inertiaProcessor.Delta += OnManipulationDelta;
this.inertiaProcessor.Completed += OnInertiaCompleted;
this.inertiaTimer = new DispatcherTimer();
this.inertiaTimer.Interval = TimeSpan.FromMilliseconds(30);
this.inertiaTimer.Tick += OnTimerTick;
this.AssociatedObject.RenderTransformOrigin = new Point(0.5, 0.5);
Move(new Point(0, 0), 0, 100);
IsPivotActive = true;
this.AssociatedObject.MouseLeftButtonUp += OnMouseUp;
this.AssociatedObject.MouseLeftButtonDown += OnMouseDown;
this.AssociatedObject.MouseMove += OnMouseMove;
this.AssociatedObject.LostMouseCapture += OnLostMouseCapture;
TouchHelper.AddHandlers(this.AssociatedObject, new TouchHandlers
{
TouchDown = OnTouchDown,
CapturedTouchReported = OnCapturedTouchReported,
});
TouchHelper.EnableInput(true);
this.AssociatedObject.Loaded += (s1, e1) =>
{
TouchHelper.SetRootElement(TouchHelper.GetRootElement(this.AssociatedObject));
};
}
/// <summary>
/// Initialize Touch handlers for the AssociatedObject
/// </summary>
private void InitializeAssociatedObject(FrameworkElement associatedObject)
{
if (associatedObject == null)
{
return;
}
associatedObject.MouseLeftButtonUp += OnMouseUp;
associatedObject.MouseLeftButtonDown += OnMouseDown;
associatedObject.MouseMove += OnMouseMove;
associatedObject.LostMouseCapture += OnLostMouseCapture;
TouchHelper.AddHandlers(associatedObject,
new TouchHandlers
{
TouchDown = OnTouchDown,
CapturedTouchReported = OnCapturedTouchReported,
CapturedTouchUp = OnTouchUp
});
TouchHelper.EnableInput(true);
associatedObject.Loaded += AssociatedObjectLoaded;
}
protected virtual void Dispose(bool dispose)
{
// if Dispose is not called, the TouchHelper cleans it up on the next touch frame
TouchHelper.EnableInput(false /*enable*/);
}