void CheckCollision(UITouch touch, IStorage contactBase, TouchActionEventArgs.TouchActionType type)
{
long id = touch.Handle.ToInt64();
List <int> contactIndexes = new List <int>();
List <Xamarin.Forms.View> contactViews = new List <Xamarin.Forms.View>();
isInContact = false;
if (contactBase != null)
{
var coordinate = touch.LocationInView(null);
foreach (var cell in contactBase.GetGridCells())
{
var child = cell.GetButton();
var contactRect = new CGRect(child.GetAbsolutePosition().X, child.GetAbsolutePosition().Y, child.Width, child.Height);
if (contactRect.Contains(coordinate))
{
isInContact = true;
contactIndexes.Add(cell.Index);
contactViews.Add(child);
}
}
}
if (isInContact)
{
FireEvent(idToTouchDictionary[id], id, type, touch, true, contactIndexes, contactViews);
}
else
{
FireEvent(idToTouchDictionary[id], id, type, touch, false, null, null);
}
}
void CheckCollision(IStorage contactBase, Point coordinate, TouchActionEventArgs.TouchActionType type)
{
List <int> contactIndexes = new List <int>();
List <Xamarin.Forms.View> contactViews = new List <Xamarin.Forms.View>();
if (contactBase != null)
{
var controlRect = new Rectangle(fromPixels(GetAbsolutePositionAndroid(Control).X + (Control.Width / 2)) - 10,
fromPixels(GetAbsolutePositionAndroid(Control).Y - GetStatusBarHeight() + (Control.Height / 2)) - 10,
20, 20);
foreach (var cell in contactBase.GetGridCells())
{
var child = cell.GetButton();
var contactRect = new Rectangle(child.GetAbsolutePosition().X, child.GetAbsolutePosition().Y, child.Width, child.Height);
if (contactRect.IntersectsWith(controlRect))
{
isInContact = true;
contactIndexes.Add(cell.Index);
contactViews.Add(child);
}
}
}
if (isInContact)
{
FireEvent(this, type, coordinate, contactIndexes, contactViews);
}
else
{
FireEvent(this, type, coordinate, null, null);
}
}
void FireEvent(TouchRecognizer recognizer, long id, TouchActionEventArgs.TouchActionType actionType, UITouch touch, bool isInContact, List <int> contactIndexes, List <Xamarin.Forms.View> contactView)
{
Console.WriteLine("contact " + isInContact);
// Get the method to call for firing events
Action <Element, TouchActionEventArgs> onTouchAction = recognizer.touchEffect.OnTouchAction;
// Get the location within the view
var cgPoint = touch.LocationInView(view);
Point point = new Point(cgPoint.X - view.Bounds.Width / 2, cgPoint.Y - view.Bounds.Height / 2);
// Call the method
onTouchAction(touchEffect.Element,
new TouchActionEventArgs(actionType, point, isInContact, contactIndexes, contactView));
isInContact = false;
}
void FireEvent(TouchEffect touchEffect, TouchActionEventArgs.TouchActionType actionType, Point pointerLocation, List <int> contactIndexes, List <Xamarin.Forms.View> contactView)
{
Console.WriteLine("contact " + isInContact);
// Get the method to call for firing events
Action <Element, TouchActionEventArgs> onTouchAction = touchEffect.touchEffect.OnTouchAction;
// Get the location of the pointer within the view
touchEffect.Control.GetLocationOnScreen(location);
var x = fromPixels(pointerLocation.X - touchEffect.Control.Width / 2);
var y = fromPixels(pointerLocation.Y - touchEffect.Control.Height / 2);
Point point = new Point(fromPixels(x), fromPixels(y));
// Call the method
onTouchAction(touchEffect.Element,
new TouchActionEventArgs(actionType, point, isInContact, contactIndexes, contactView));
isInContact = false;
}
