protected void RunAnimation()
{
this.isAnimating = true;
AnimatorBase animation = null;
switch (this.currentAnimationType)
{
case TransitionDirection.ForwardIn:
animation = this.GetAnimation(this.currentAnimationType, fromUri);
break;
case TransitionDirection.BackwardOut:
animation = this.GetAnimation(this.currentAnimationType, this.arrivedFromUri);
break;
case TransitionDirection.BackwardIn:
animation = this.GetAnimation(this.currentAnimationType, this.arrivedFromUri);
break;
default:
animation = this.GetAnimation(this.currentAnimationType, this.nextUri);
break;
}
this.Dispatcher.BeginInvoke(
() =>
{
AnimatorBase transitionAnimation;
if (animation == null)
{
this.AnimationContext.Opacity = 1;
this.TransitionCompleted();
}
else
{
transitionAnimation = animation;
this.AnimationContext.Opacity = 1;
transitionAnimation.Begin(this.TransitionCompleted);
}
});
}
protected virtual AnimatorBase GetAnimation(TransitionDirection direction, Uri fromAddress)
{
var animationOverride = this.PageTransitions.FirstOrDefault(
p => this.Matches(p.MatchUrl, fromAddress) || this.Matches(p.MatchUrl, this.nextUri));
var style = this.DefaultTransition;
if (animationOverride != null)
{
switch (direction)
{
case TransitionDirection.ForwardOut:
if (this.Matches(animationOverride.MatchUrl, this.nextUri))
{
style = animationOverride.NavigatingTo;
}
break;
case TransitionDirection.ForwardIn:
if (this.Matches(animationOverride.MatchUrl, fromAddress))
{
style = animationOverride.NavigatedFrom;
}
break;
case TransitionDirection.BackwardIn:
if (this.Matches(animationOverride.MatchUrl, fromAddress))
{
style = animationOverride.ReturningFrom;
}
break;
}
}
AnimatorBase animation = this.GetAnimation(direction, style);
animation.RootElement = this.AnimationContext;
return(animation);
}
