void UpdateGestureDirection(RoutedEventArgs originalArgs)
{
if (_direction == C1DragDirection.None)
{
Point position = C1InputEventArgs.GetPosition(originalArgs, null);
double x = position.X - _origin.X;
double num2 = position.Y - _origin.Y;
if ((x != 0.0) || (num2 != 0.0))
{
double num3 = Math.Sqrt(Math.Pow(x, 2.0) + Math.Pow(num2, 2.0));
double num4 = x / num3;
double num5 = num2 / num3;
if (Math.Abs(num5) < 0.4)
{
_direction = C1DragDirection.Horizontal;
}
else if (Math.Abs(num4) < 0.4)
{
_direction = C1DragDirection.Vertical;
}
else
{
_direction = C1DragDirection.Diagonal;
}
}
}
}
void OnPointerMoved(object sender, PointerRoutedEventArgs e)
{
if (_pointerPressed)
{
Point position = C1InputEventArgs.GetPosition(e, null);
if (!_dragStarted)
{
Point point2 = new Point(position.X - _origin.X, position.Y - _origin.Y);
if (((Math.Abs(point2.X) > _actualInitialThreshold) && _actualMode.TranslateX()) || ((Math.Abs(point2.Y) > _actualInitialThreshold) && _actualMode.TranslateY()))
{
if (_actualCaptureElementOnMouseDown || TryCaptureMouse(e))
{
Start(e);
}
else
{
_pointerPressed = false;
}
}
}
if (_dragStarted)
{
Point deltaTranslation = new Point(position.X - _lastPos.X, position.Y - _lastPos.Y);
_points.Push(new KeyValuePair <DateTime, Point>(DateTime.Now, position));
_cumulativeTranslation = new Point(_cumulativeTranslation.X + deltaTranslation.X, _cumulativeTranslation.Y + deltaTranslation.Y);
RaiseDragDelta(e, _cumulativeTranslation, deltaTranslation, false);
_lastPos = position;
}
}
}
void OnPointerPressed(object sender, PointerRoutedEventArgs e)
{
_pointerType = C1InputEventArgs.GetPointerType(e);
if (_pointerType != C1PointerDeviceType.Touch)
{
Complete(e);
_origin = C1InputEventArgs.GetPosition(e, null);
_lastPos = _origin;
if (RaiseDragStarting(e))
{
if (!_actualCaptureElementOnMouseDown || TryCaptureMouse(e))
{
_pointerPressed = true;
}
if (_pointerPressed && (_actualInitialThreshold == 0.0))
{
Start(e);
}
if (_useRightButton)
{
e.Handled = true;
}
}
}
}
void OnManipulationStarted(object sender, ManipulationStartedRoutedEventArgs e)
{
_pointerType = C1InputEventArgs.GetPointerType(e);
if ((_pointerType == C1PointerDeviceType.Touch) || !_listenPointerEvents)
{
Complete(e);
_origin = C1InputEventArgs.GetPosition(e, null);
_manipulationStarted = RaiseDragStarting(e);
if (_manipulationStarted && (_actualInitialThreshold == 0.0))
{
Start(e);
}
}
}
void OnPointerReleased(object sender, PointerRoutedEventArgs e)
{
if (_pointerPressed)
{
_pointerPressed = false;
if (_dragStarted)
{
Point position = C1InputEventArgs.GetPosition(e, null);
_points.Push(new KeyValuePair <DateTime, Point>(DateTime.Now, position));
Point finalVelocities = GetFinalVelocities();
if ((finalVelocities != new Point()) && _actualMode.IsInertial())
{
StartInertia(e, finalVelocities);
}
else
{
Complete(e);
}
}
_points.Clear();
ReleaseMouseCapture();
}
}
