public void TouchesMoved(NSSet touches, UIEvent evt)
{
foreach (UITouch touch in touches.Cast <UITouch>())
{
// Add point to path
_touchDictionary[touch.Handle] = touch.LocationInView(_view);
}
if (_currentTouchType == TouchType.OneFingerTouch)
{
// where only handling taps, so no need to process this
}
if (_currentTouchType == TouchType.TwoFingerTouch)
{
var firstViewTouchPoint = _touchDictionary[_touchList[0]];
var secondViewTouchPoint = _touchDictionary[_touchList[1]];
var touchData = new TwoFingerTouch(0, firstViewTouchPoint, secondViewTouchPoint, GestureState.Change);
TwoFingerTouchEvent(this, new EventArgs <TwoFingerTouch>(touchData));
}
}
public void TouchesEnded(NSSet touches, UIEvent evt)
{
Debug.WriteLine("TouchesEnded: " + touches.Count);
if (touches.Count == 1 && _currentTouchType == TouchType.OneFingerTouch)
{
Debug.WriteLine("TouchesEnded (TouchType.SingleTouch): " + touches.Count);
if (SingleFingerTouchEvent != null)
{
var touch = (UITouch)touches.First();
var touchData = new SingleFingerTouch(0, touch.LocationInView(_view), GestureState.End);
SingleFingerTouchEvent(this, new EventArgs <SingleFingerTouch>(touchData));
}
_currentTouchType = TouchType.None;
}
if (_currentTouchType == TouchType.TwoFingerTouch)
{
if (TwoFingerTouchEvent != null)
{
Debug.WriteLine("TouchesEnded");
var firstViewTouchPoint = _touchDictionary[_touchList[0]];
var secondViewTouchPoint = _touchDictionary[_touchList[1]];
var touchData = new TwoFingerTouch(0, firstViewTouchPoint, secondViewTouchPoint, GestureState.End);
TwoFingerTouchEvent(this, new EventArgs <TwoFingerTouch>(touchData));
}
_currentTouchType = TouchType.None;
}
foreach (UITouch touch in touches.Cast <UITouch>())
{
var handle = touch.Handle;
_touchDictionary.Remove(handle);
_touchList.Remove(handle);
}
Debug.WriteLine("TouchesEnded: type: " + _currentTouchType);
}
public void TouchesBegan(NSSet touches, UIEvent evt)
{
Debug.WriteLine("TouchesBegan: " + touches.Count);
if (touches.Count == 1 && _currentTouchType == TouchType.None)
{
_currentTouchType = TouchType.OneFingerTouch;
var touch = (UITouch)touches.ElementAt(0);
var handle = touch.Handle;
var viewTouchPoint = touch.LocationInView(_view);
Debug.WriteLine("TouchesBegan (TouchType.None): " + touches.Count + ", TouchType: " + _currentTouchType + ", Handle: " + handle + ", Point: " + viewTouchPoint);
_touchDictionary.Add(handle, viewTouchPoint);
_touchList.Add(handle);
if (SingleFingerTouchEvent != null)
{
var firstViewTouchPoint = _touchDictionary[_touchList[0]];
var touchData = new SingleFingerTouch(0, firstViewTouchPoint, GestureState.Start);
SingleFingerTouchEvent(this, new EventArgs <SingleFingerTouch>(touchData));
}
}
else if (touches.Count == 1 && _currentTouchType == TouchType.OneFingerTouch)
{
var touch = (UITouch)touches.ElementAt(0);
var handle = touch.Handle;
var viewTouchPoint = touch.LocationInView(_view);
Debug.WriteLine("TouchesBegan: " + touches.Count + ", TouchType.SingleTouch, Handle: " + handle + ", Point: " + viewTouchPoint);
_touchDictionary.Add(handle, viewTouchPoint);
_touchList.Add(handle);
if (SingleFingerTouchEvent != null)
{
var existingViewTouchPoint = _touchDictionary[_touchList[0]];
var touchData = new SingleFingerTouch(0, existingViewTouchPoint, GestureState.Cancelled);
SingleFingerTouchEvent(this, new EventArgs <SingleFingerTouch>(touchData));
}
if (TwoFingerTouchEvent != null)
{
var firstViewTouchPoint = _touchDictionary[_touchList[0]];
var secondViewTouchPoint = _touchDictionary[_touchList[1]];
Debug.WriteLine("firstViewTouchPoint: " + firstViewTouchPoint.ToString() + ", secondViewTouchPoint:" + secondViewTouchPoint.ToString());
var touchData = new TwoFingerTouch(0, firstViewTouchPoint, secondViewTouchPoint, GestureState.Start);
TwoFingerTouchEvent(this, new EventArgs <TwoFingerTouch>(touchData));
}
_currentTouchType = TouchType.TwoFingerTouch;
}
else if (touches.Count == 2 && _currentTouchType == TouchType.None)
{
foreach (UITouch touch in touches.Cast <UITouch>())
{
var handle = touch.Handle;
var viewTouchPoint = touch.LocationInView(_view);
_touchDictionary.Add(handle, viewTouchPoint);
_touchList.Add(handle);
}
if (TwoFingerTouchEvent != null)
{
var firstViewTouchPoint = _touchDictionary[_touchList[0]];
var secondViewTouchPoint = _touchDictionary[_touchList[1]];
var touchData = new TwoFingerTouch(0, firstViewTouchPoint, secondViewTouchPoint, GestureState.Start);
TwoFingerTouchEvent(this, new EventArgs <TwoFingerTouch>(touchData));
}
_currentTouchType = TouchType.TwoFingerTouch;
}
else if (_currentTouchType == TouchType.TwoFingerTouch)
{
foreach (UITouch touch in touches.Cast <UITouch>())
{
var handle = touch.Handle;
var viewTouchPoint = touch.LocationInView(_view);
_touchDictionary.Add(handle, viewTouchPoint);
_touchList.Add(handle);
}
if (TwoFingerTouchEvent != null)
{
var firstViewTouchPoint = _touchDictionary[_touchList[0]];
var secondViewTouchPoint = _touchDictionary[_touchList[1]];
var touchData = new TwoFingerTouch(0, firstViewTouchPoint, secondViewTouchPoint, GestureState.Cancelled);
TwoFingerTouchEvent(this, new EventArgs <TwoFingerTouch>(touchData));
}
_currentTouchType = TouchType.None;
}
Debug.WriteLine("TouchesBegan: type: " + _currentTouchType);
}