internal static void pulseContractAnimation(CALayer layer, CALayer visualLayer, Pulse pulse)
{
CAShapeLayer bLayer = null;
try
{
bLayer = pulse.Layers.Dequeue();
}
catch (Exception) {
return;
}
if (bLayer != null)
{
var test = bLayer.ValueForKey(new NSString("animated")) as NSNumber;
var animated = test.BoolValue;
Animation.Delay(animated ? 0 : 0.15, () =>
{
var pLayer = bLayer.Sublayers[0] as CAShapeLayer;
if (pLayer != null)
{
var duration = 0.3125;
switch (pulse.Animation)
{
case PulseAnimation.CenterWithBacking:
case PulseAnimation.Backing:
case PulseAnimation.AtPointWithBacking:
bLayer.AddAnimation(Animation.BackgroundColor(pulse.Color.ColorWithAlpha(0), 0.325), null);
break;
default:
break;
}
switch (pulse.Animation)
{
case PulseAnimation.Center:
case PulseAnimation.CenterWithBacking:
case PulseAnimation.CenterRadialBeyondBounds:
case PulseAnimation.AtPoint:
case PulseAnimation.AtPointWithBacking:
pLayer.AddAnimation(Animation.AnimationGroup(new CAAnimation[] {
Animation.Scale(pulse.Animation == PulseAnimation.Center ? 1f : 1.325f),
Animation.BackgroundColor(pulse.Color.ColorWithAlpha(0))
}, duration), null);
break;
default:
break;
}
Animation.Delay(duration, () =>
{
pLayer.RemoveFromSuperLayer();
bLayer.RemoveFromSuperLayer();
});
}
});
}
}
internal static void pulseExpandAnimation(CALayer layer, CALayer visualLayer, CGPoint point, nfloat width, nfloat height, Pulse pulse)
{
if (pulse.Animation != PulseAnimation.None)
{
nfloat n = pulse.Animation == PulseAnimation.Center ? width < height ? width : height : width < height ? height : width;
var bLayer = new CAShapeLayer();
var pLayer = new CAShapeLayer();
bLayer.AddSublayer(pLayer);
pulse.Layers.Enqueue(bLayer);
visualLayer.AddSublayer(bLayer);
Animation.AnimationDisabled(() =>
{
bLayer.Frame = visualLayer.Bounds;
pLayer.Bounds = new CGRect(0, 0, n, n);
switch (pulse.Animation)
{
case PulseAnimation.Center:
case PulseAnimation.CenterWithBacking:
case PulseAnimation.CenterRadialBeyondBounds:
pLayer.Position = new CGPoint(width / 2, height / 2);
break;
default:
pLayer.Position = point;
break;
}
pLayer.CornerRadius = n / 2;
pLayer.BackgroundColor = pulse.Color.ColorWithAlpha(pulse.Opacity).CGColor;
pLayer.Transform = CATransform3D.MakeFromAffine(CGAffineTransform.MakeScale(0, 0));
});
bLayer.SetValueForKey(NSObject.FromObject(false), new NSString("animated"));
var duration = pulse.Animation == PulseAnimation.Center ? 0.16125 : 0.325;
switch (pulse.Animation)
{
case PulseAnimation.CenterWithBacking:
case PulseAnimation.Backing:
case PulseAnimation.AtPointWithBacking:
bLayer.AddAnimation(Animation.BackgroundColor(pulse.Color.ColorWithAlpha(pulse.Opacity / 2), duration), null);
break;
default:
break;
}
switch (pulse.Animation)
{
case PulseAnimation.Center:
case PulseAnimation.CenterWithBacking:
case PulseAnimation.CenterRadialBeyondBounds:
case PulseAnimation.AtPoint:
case PulseAnimation.AtPointWithBacking:
pLayer.AddAnimation(Animation.Scale(1, duration), null);
break;
default:
break;
}
Animation.Delay(duration, () =>
{
bLayer.SetValueForKey(NSObject.FromObject(true), new NSString("animated"));
});
}
}