public void DoubleAnimationKeyFrameRepeatTest()
{
DoubleAnimationUsingKeyFrames animation;
animation = new DoubleAnimationUsingKeyFrames();
animation.KeyFrames.Add(new LinearDoubleKeyFrame { KeyTime = KeyTime.FromTimeSpan(TimeSpan.FromSeconds(0)), Value = 0 });
animation.KeyFrames.Add(new LinearDoubleKeyFrame { KeyTime = KeyTime.FromTimeSpan(TimeSpan.FromSeconds(1)), Value = 1 });
animation.Duration = new Duration(TimeSpan.FromSeconds(2));
animation.RepeatBehavior = RepeatBehavior.Forever;
TestRootClock rootClock = new TestRootClock();
AnimationTimelineClock clock = (AnimationTimelineClock)animation.CreateClock();
clock.Begin(rootClock);
rootClock.Tick(TimeSpan.FromSeconds(0.1));
Assert.AreEqual(0.1, (double)animation.GetCurrentValue(0.0, 0.0, clock));
rootClock.Tick(TimeSpan.FromSeconds(0.9));
Assert.AreEqual(0.9, (double)animation.GetCurrentValue(0.0, 0.0, clock));
rootClock.Tick(TimeSpan.FromSeconds(1));
Assert.AreEqual(1, (double)animation.GetCurrentValue(0.0, 0.0, clock));
rootClock.Tick(TimeSpan.FromSeconds(1.9));
Assert.AreEqual(1, (double)animation.GetCurrentValue(0.0, 0.0, clock));
rootClock.Tick(TimeSpan.FromSeconds(2.1));
Assert.AreEqual(0.1, (double)animation.GetCurrentValue(0.0, 0.0, clock));
rootClock.Tick(TimeSpan.FromSeconds(2.9));
Assert.AreEqual(0.9, (double)animation.GetCurrentValue(0.0, 0.0, clock));
}
private void MoveResourceInBounds(ResourceViewModel resourceViewModel)
{
Storyboard storyboard = new Storyboard();
var view = (FrameworkElement)(desktopView.ItemContainerGenerator.ContainerFromItem(resourceViewModel));
const double offset = 4;
double left = resourceViewModel.Left;
double right = left + view.ActualWidth;
double top = resourceViewModel.Top;
double bottom = top + view.ActualHeight;
bool leftOutBound = left < 0;
bool rightOutBound = right > desktopView.ActualWidth;
bool topOutBound = top < 0;
bool bottomOutBound = bottom > desktopView.ActualHeight;
if (leftOutBound || rightOutBound)
{
double from = left;
double to = (leftOutBound ? offset : (desktopView.ActualWidth - view.ActualWidth - offset));
DoubleAnimationUsingKeyFrames animation = new DoubleAnimationUsingKeyFrames()
{
Duration = TimeSpan.FromMilliseconds(125)
};
animation.KeyFrames.Add(new SplineDoubleKeyFrame(from, KeyTime.FromTimeSpan(TimeSpan.Zero)));
animation.KeyFrames.Add(new SplineDoubleKeyFrame(to + ((leftOutBound ? offset : offset * -1) * 2), KeyTime.FromTimeSpan(TimeSpan.FromMilliseconds(80))));
animation.KeyFrames.Add(new SplineDoubleKeyFrame(to, KeyTime.FromTimeSpan(TimeSpan.FromMilliseconds(125))));
AnimationClock clock = animation.CreateClock();
clock.CurrentTimeInvalidated += (sender, e) =>
{
double current = animation.GetCurrentValue(from, to, clock);
resourceViewModel.Left = current;
};
storyboard.Children.Add(animation);
Storyboard.SetTargetProperty(animation, new PropertyPath(ResourceView.DummyLeftProperty));
}
if (topOutBound || bottomOutBound)
{
double from = top;
double to = (topOutBound ? offset : (desktopView.ActualHeight - view.ActualHeight - offset));
DoubleAnimationUsingKeyFrames animation = new DoubleAnimationUsingKeyFrames()
{
Duration = TimeSpan.FromMilliseconds(125)
};
animation.KeyFrames.Add(new SplineDoubleKeyFrame(from, KeyTime.FromTimeSpan(TimeSpan.Zero)));
animation.KeyFrames.Add(new SplineDoubleKeyFrame(to + ((topOutBound ? offset : offset * -1) * 2), KeyTime.FromTimeSpan(TimeSpan.FromMilliseconds(80))));
animation.KeyFrames.Add(new SplineDoubleKeyFrame(to, KeyTime.FromTimeSpan(TimeSpan.FromMilliseconds(125))));
AnimationClock clock = animation.CreateClock();
clock.CurrentTimeInvalidated += (sender, e) =>
{
double current = animation.GetCurrentValue(from, to, clock);
resourceViewModel.Top = current;
};
storyboard.Children.Add(animation);
Storyboard.SetTargetProperty(animation, new PropertyPath(ResourceView.DummyTopProperty));
}
this.BeginStoryboard(storyboard);
}
