private void Animator_AnimationEnded(CompositionPropertyAnimator sender, AnimationEndedEventArgs args)
{
// Unregister from the event.
sender.AnimationEnded -= Animator_AnimationEnded;
// When an animator completes, remove it from the list of remaining animators and
// Dispose() the animator.
int index = _animators.IndexOf(sender);
Debug.Assert(index >= 0);
sender.Dispose();
_animators.RemoveAt(index);
// When no remaining animators, notify that the transition is complete.
_runningAnimators--;
if ((_runningAnimators == 0) && !_finished)
{
Debug.Assert(_animators.Count == 0);
_finished = true;
TransitionFinished(this);
}
}
private void Animator_AnimationEnded(CompositionPropertyAnimator sender, AnimationEndedEventArgs args)
{
// Unregister from the event.
sender.AnimationEnded -= Animator_AnimationEnded;
// When an animator completes, remove it from the list of remaining animators and
// Dispose() the animator.
int index = _animators.IndexOf(sender);
Debug.Assert(index >= 0);
sender.Dispose();
_animators.RemoveAt(index);
// When no remaining animators, notify that the transition is complete.
_runningAnimators--;
if ((_runningAnimators == 0) && !_finished)
{
Debug.Assert(_animators.Count == 0);
_finished = true;
TransitionFinished(this);
}
}
// Defines the event functionality when an animation complete.
private void OnAnimationEnded(CompositionPropertyAnimator sender, AnimationEndedEventArgs eventArgs)
{
// For sample sake, explicitly looking for only one animation.
if (sender == _animator)
{
((ContainerVisual)_target.Parent).Children.Remove(_target);
Debug.WriteLine("Animation Complete. Remove Visual from Tree");
// Remove the registration for state event change
sender.AnimationEnded -= OnAnimationEnded;
}
}
// Defines the event functionality when an animation complete.
private void OnAnimationEnded(CompositionPropertyAnimator sender, AnimationEndedEventArgs eventArgs)
{
// For sample sake, explicitly looking for only one animation.
if (sender == _animator)
{
((ContainerVisual)_target.Parent).Children.Remove(_target);
Debug.WriteLine("Animation Complete. Remove Visual from Tree");
// Remove the registration for state event change
sender.AnimationEnded -= OnAnimationEnded;
}
}
// Defines a Keyframe animation to animate offset
public void AnimateVisual()
{
var animation = _compositor.CreateVector3KeyFrameAnimation();
animation.InsertKeyFrame(1.0f, new Vector3(175.0f, 250.0f, 0.0f));
animation.Duration = TimeSpan.FromMilliseconds(2000);
_animator = _target.ConnectAnimation("Offset", animation);
// Register for the state changed event (end)
_animator.AnimationEnded += OnAnimationEnded;
_animator.Start();
}
// Defines a Keyframe animation to animate offset
public void AnimateVisual()
{
var animation = _compositor.CreateVector3KeyFrameAnimation();
animation.InsertKeyFrame(1.0f, new Vector3(175.0f, 250.0f, 0.0f));
animation.Duration = TimeSpan.FromMilliseconds(2000);
_animator = _target.ConnectAnimation("Offset", animation);
// Register for the state changed event (end)
_animator.AnimationEnded += OnAnimationEnded;
_animator.Start();
}
private void RotationAngle_AnimationEnded(CompositionPropertyAnimator sender, AnimationEndedEventArgs args)
{
sender.AnimationEnded -= RotationAngle_AnimationEnded;
StartNewRotationAnimation();
}
public void InsertAnimator(CompositionPropertyAnimator animator)
{
animator.AnimationEnded += Animator_AnimationEnded;
_animators.Add(animator);
}
private void RotationAngle_AnimationEnded(CompositionPropertyAnimator sender, AnimationEndedEventArgs args)
{
sender.AnimationEnded -= RotationAngle_AnimationEnded;
StartNewRotationAnimation();
}
public void InsertAnimator(CompositionPropertyAnimator animator)
{
animator.AnimationEnded += Animator_AnimationEnded;
_animators.Add(animator);
}
private void StartNewRotationAnimation()
{
// Stop previous animator.
if (_rotationAnimator != null)
{
_rotationAnimator.Dispose();
_rotationAnimator = null;
}
// Build a custom animation that takes a random amount of time to move to the new
// angle value.
var angle = ((float)s_random.NextDouble()) * 20.0f - 10.0f;
var rotationAnimation = _frame.Compositor.CreateScalarKeyFrameAnimation();
rotationAnimation.InsertKeyFrame(1.0f, angle);
var duration = s_random.Next(2000, 5000);
rotationAnimation.Duration = TimeSpan.FromMilliseconds(duration);
// Start new animator playing.
_rotationAnimator = _frame.ConnectAnimation("RotationAngle", rotationAnimation);
_rotationAnimator.AnimationEnded += RotationAngle_AnimationEnded;
_rotationAnimator.Start();
}
public void Dispose()
{
if (_rotationAnimator != null)
{
_rotationAnimator.Dispose();
_rotationAnimator = null;
}
if (_offsetAnimator != null)
{
_offsetAnimator.Dispose();
_offsetAnimator = null;
}
if (_selectedFrame != null)
{
_selectedFrame.Dispose();
_selectedFrame = null;
}
if (_content != null)
{
_content.Dispose();
_content = null;
}
if (_frame != null)
{
_frame.Dispose();
_frame = null;
}
if (_saturationEffect != null)
{
_saturationEffect.Dispose();
_saturationEffect = null;
}
// STEP4c: Clean-up effect animations.
if (_saturationAnimator != null)
{
_saturationAnimator.Dispose();
_saturationAnimator = null;
}
}
public void ApplyDesaturationAnimation(CompositionAnimation animation)
{
if (_saturationAnimator != null)
{
_saturationAnimator.Dispose();
_saturationAnimator = null;
}
if (_saturationEffect != null)
{
_saturationAnimator = _saturationEffect.Properties.ConnectAnimation(
"myEffect.Saturation",
animation);
_saturationAnimator.Start();
}
}
public virtual void Dispose()
{
if (Property != null)
{
TargetVisual?.DisconnectAnimation(Property);
}
CompositionAnimation?.Dispose();
CompositionAnimation = null;
Animator?.Dispose();
Animator = null;
}
