public static Task <FrameworkElement> AnimateAsync(this FrameworkElement element, IEnumerable <Timeline> animations, AnimationParameters animationParameters = null)
{
var tcs = new TaskCompletionSource <FrameworkElement>();
var sb = AnimationManager.AnimationStoryboard(element, animations, animationParameters, () => tcs.SetResult(element));
Task t = AnimationManager.SplashScreenGone();
#if NETFX_CORE || WINDOWS_81_PORTABLE
t.ContinueWith(x => element.Dispatcher.RunAsync(CoreDispatcherPriority.Normal, sb.Begin));
#endif
#if WINDOWS_PHONE
t.ContinueWith(x => element.Dispatcher.BeginInvoke(sb.Begin));
#endif
return(tcs.Task);
}
public async static Task <FrameworkElement> SkewToAsync(this FrameworkElement element,
double seconds, Point skew, EasingFunctionBase easingFunction = null, AnimationParameters animationParameters = null)
{
if (seconds > 0)
{
return(await AnimateAsync(element, SkewToAnimation(element, seconds, skew, easingFunction), animationParameters));
}
AnimationManager.PrepareElement(element);
var transform = element.RenderTransform as CompositeTransform;
if (transform == null)
{
return(element);
}
transform.SkewX = skew.X;
transform.SkewY = skew.Y;
return(element);
}
public static Storyboard SkewToStoryboard(this FrameworkElement element,
double seconds, Point skew, EasingFunctionBase easingFunction = null,
AnimationParameters animationParameters = null, Action completedAction = null)
{
return(AnimationManager.AnimationStoryboard(element, SkewToAnimation(element, seconds, skew, easingFunction), animationParameters, completedAction));
}
public static async Task <FrameworkElement> MoveToAsync(this FrameworkElement element,
double seconds, Point point, EasingFunctionBase easingFunction = null, AnimationParameters animationParameters = null)
{
if (seconds > 0.0)
{
return(await AnimateAsync(element, MoveToAnimation(element, seconds, point, easingFunction), animationParameters));
}
AnimationManager.PrepareElement(element);
var transform = element.RenderTransform as CompositeTransform;
if (transform == null)
{
return(element);
}
transform.TranslateX = point.X;
transform.TranslateY = point.Y;
return(element);
}
public static async Task <FrameworkElement> RotateAsync(this FrameworkElement element,
double seconds, double rotation, EasingFunctionBase easingFunction = null, AnimationParameters animationParameters = null)
{
if (!(seconds <= 0))
{
return(await AnimateAsync(element, RotateAnimation(element, seconds, rotation, easingFunction), animationParameters));
}
AnimationManager.PrepareElement(element);
var transform = element.RenderTransform as CompositeTransform;
if (transform == null)
{
return(element);
}
transform.Rotation = rotation;
return(element);
}
public static Storyboard AnimationStoryboard(
FrameworkElement element,
IEnumerable<Timeline> animations,
AnimationParameters animationParameters = null,
Action completedAction = null)
{
PrepareElement(element);
var sb = new Storyboard();
foreach (var animation in animations)
{
Storyboard.SetTarget(animation, element);
sb.Children.Add(animation);
}
sb.Completed += (sender, o) =>
{
Manager.RemoveStoryboard(element, sb);
if (completedAction != null)
completedAction();
};
Manager.AddStoryboard(element, sb);
if (animationParameters != null)
{
if (animationParameters.SpeedRatio > 0.0)
sb.SpeedRatio = animationParameters.SpeedRatio;
if (animationParameters.RepeatCount > 0)
sb.RepeatBehavior = new RepeatBehavior(animationParameters.RepeatCount);
if (animationParameters.RepeatDuration > 0)
sb.RepeatBehavior = new RepeatBehavior(TimeSpan.FromSeconds(animationParameters.RepeatDuration));
if (animationParameters.Forever)
sb.RepeatBehavior = RepeatBehavior.Forever;
sb.AutoReverse = animationParameters.AutoReverse;
if (animationParameters.OpacityFromZero)
element.Opacity = 0;
if (animationParameters.Delay > 0)
sb.BeginTime = TimeSpan.FromSeconds(animationParameters.Delay);
}
return sb;
}
