/// <summary>
/// Fires the specified animation event. This method performs
/// null checking and thread synchronization on the
/// SynchronizedObject when necessary.
/// </summary>
///
/// <param name="eventToFire">
/// the animation event to fire.
/// </param>
protected void FireEvent(AnimationEventHandler eventToFire)
{
// Null check
if (eventToFire == null)
{
return;
}
var args = new AnimationEventArgs(this);
// If a SynchronizationObject is specified, fire the event
// on the object's synchronized thread.
if (this.SynchronizationObject != null)
{
this.SynchronizationObject.BeginInvoke(new Action(() =>
{
eventToFire(this, args);
}), null);
}
else
{
eventToFire(this, args);
}
}
/// <summary>
/// Removes the specified animation from the list of running animations.
/// </summary>
///
/// <param name="animation">
/// the animation to remove from the list of running animations. If this
/// animation was not returned from one of the overloaded AddAnimation
/// methods, it will not be in the list.
/// </param>
protected void RemoveAnimation(IAnimation animation, AnimationEventArgs args)
{
this.readerWriterLock.AcquireWriterLock(Timeout.Infinite);
// Check if the animation is successfully removed.
if (this.animations.Remove(animation))
{
// Remove the event handler for the animation.
animation.AnimationEnded -= RemoveAnimation;
}
this.readerWriterLock.ReleaseWriterLock();
}
