internal static bool IsTouchInView(this _Touch touch, _View view)
{
var window = _Application.SharedApplication.KeyWindow;
var screenLocation = touch.LocationInView(window);
var bounds = GetBounds(window, view);
return(screenLocation.X >= bounds.X &&
screenLocation.Y >= bounds.Y &&
screenLocation.X < bounds.Right &&
screenLocation.Y < bounds.Bottom);
}
public override bool ContinueTracking(UITouch touch, UIEvent uievent)
{
if (!this.Tracking)
{
return(false);
}
var previousLocation = touch.PreviousLocationInView(this);
var currentLocation = touch.LocationInView(this);
var trackingOffset = currentLocation.X - previousLocation.X;
nfloat verticalOffset = NMath.Abs(currentLocation.Y - beganTrackingLocation.Y);
var scrubbingSpeedChangePosIndex = indexOfLowerScrubbingSpeed(verticalOffset);
ScrubbingSpeed = ScrubbingSpeeds[scrubbingSpeedChangePosIndex];
var trackRect = this.TrackRectForBounds(this.Bounds);
realPositionValue = realPositionValue + (MaxValue - MinValue) * (trackingOffset / trackRect.Width);
nfloat valueAdjustment = ScrubbingSpeed * (MaxValue - MinValue) * (trackingOffset / trackRect.Width);
nfloat thumbAdjustment = 0f;
if (((beganTrackingLocation.Y < currentLocation.Y) && (currentLocation.Y < previousLocation.Y)) ||
((beganTrackingLocation.Y > currentLocation.Y) && (currentLocation.Y > previousLocation.Y)))
{
// We are getting closer to the slider, go closer to the real location
thumbAdjustment = (realPositionValue - Value) / (1 + NMath.Abs(currentLocation.Y - beganTrackingLocation.Y));
}
Value += (float)(valueAdjustment + thumbAdjustment);
if (Continuous)
{
this.SendActionForControlEvents(UIControlEvent.ValueChanged);
}
return(true);
}
public virtual void EndTrackingWithTouch(UITouch touches, UIEvent withEvent)
{
}
public virtual bool ContinueTrackingWithTouch(UITouch touch, UIEvent withEvent)
{
return(default(bool));
}