// lack of generated delegate force us to add events manually too
_CAAnimationDelegate EnsureCAAnimationDelegate()
{
var del = Delegate;
if (del == null || (!(del is _CAAnimationDelegate)))
{
del = new _CAAnimationDelegate();
Delegate = del;
}
return((_CAAnimationDelegate)del);
}
public void CreateBarAnimationForHeight(CALayer layer, float toValue, CAAnimationDelegate @delegate)
{
const string key = "bounds.size.height";
var _fromValue = layer.ValueForKeyPath(new NSString(key));
var _toValue = new NSNumber(toValue);
var _key = new NSString(key);
var barAnimation = CABasicAnimation.FromKeyPath(key);
var currentValue = _fromValue;
if (layer.PresentationLayer != null)
{
currentValue = layer.PresentationLayer.ValueForKeyPath(_key);
}
barAnimation.From = currentValue;
barAnimation.To = _toValue;
barAnimation.Delegate = @delegate;
barAnimation.TimingFunction = CAMediaTimingFunction.FromName(CAMediaTimingFunction.Default);
layer.AddAnimation(barAnimation, key);
layer.SetValueForKeyPath(_toValue, _key);
}
public void CreateArcAnimationForKey (string key, double fromValue, double toValue, CAAnimationDelegate @delegate)
{
var _fromValue = new NSNumber (fromValue);
var _toValue = new NSNumber (toValue);
var _key = new NSString (key);
var arcAnimation = CABasicAnimation.FromKeyPath (key);
var currentAngle = _fromValue;
if (PresentationLayer != null) {
currentAngle = (NSNumber)PresentationLayer.ValueForKey (_key);
}
arcAnimation.Duration = 1.0f;
arcAnimation.From = currentAngle;
arcAnimation.To = _toValue;
arcAnimation.Delegate = @delegate;
arcAnimation.TimingFunction = CAMediaTimingFunction.FromName (CAMediaTimingFunction.Default);
AddAnimation (arcAnimation, key);
SetValueForKey (_toValue, _key);
}
public void CreateArcAnimationForKey(string key, double fromValue, double toValue, CAAnimationDelegate @delegate)
{
var _fromValue = new NSNumber(fromValue);
var _toValue = new NSNumber(toValue);
var _key = new NSString(key);
var arcAnimation = CABasicAnimation.FromKeyPath(key);
var currentAngle = _fromValue;
if (PresentationLayer != null)
{
currentAngle = (NSNumber)PresentationLayer.ValueForKey(_key);
}
arcAnimation.Duration = 1.0f;
arcAnimation.From = currentAngle;
arcAnimation.To = _toValue;
arcAnimation.Delegate = @delegate;
arcAnimation.TimingFunction = CAMediaTimingFunction.FromName(CAMediaTimingFunction.Default);
AddAnimation(arcAnimation, key);
SetValueForKey(_toValue, _key);
}
public void CreateBarAnimationForHeight ( CALayer layer, nfloat toValue, CAAnimationDelegate @delegate)
{
const string key = "bounds.size.height";
var _fromValue = layer.ValueForKeyPath ( new NSString ( key));
var _toValue = new NSNumber (toValue);
var _key = new NSString (key);
var barAnimation = CABasicAnimation.FromKeyPath (key);
var currentValue = _fromValue;
if (layer.PresentationLayer != null) {
currentValue = layer.PresentationLayer.ValueForKeyPath (_key);
}
barAnimation.From = currentValue;
barAnimation.To = _toValue;
barAnimation.Delegate = @delegate;
barAnimation.TimingFunction = CAMediaTimingFunction.FromName (CAMediaTimingFunction.Default);
layer.AddAnimation (barAnimation, key);
layer.SetValueForKeyPath (_toValue, _key);
}
