Curiously, if I call run() via a ScheduledCommand off of my
onComplete() it works fine.


On Nov 22, 6:34 pm, KaffeineComa <[email protected]> wrote:
> I have a simple anonymous Animation extension that manipulates an
> element's backgroundColor. It works fine, until I try to "loop" the
> animation by calling run() via onComplete. This causes the JVM to
> crash hard with:
>
>    Invalid access of stack red zone 0x1674b6fe8 rip=0x1010c307f
>
> This is in Safari on a Mac.
>
> I understand that this kind of error tends to indicate a blown stack.
> Interestingly, if I add logging output in my onStart() I only ever see
> a single call to it, whereas onComplete() is called repeatedly. Are
> animations not intended to be re-runnable?
>
>     public class ColorAnimation extends Animation
>     {
>         private int halfTime;
>         private String startColor, endColor;
>
>         public ColorAnimation(String startColor, String endColor, int
> animTime)
>         {
>             this.startColor = startColor;
>             this.endColor = endColor;
>             halfTime = animTime / 2;
>         }
>
>         @Override
>         protected void onStart()
>         {
>             super.onStart();
>             GWT.log("onStart()...");
>         }
>
>         @Override
>         protected void onUpdate(double progress)
>         {
>             String color = between(startColor, endColor, progress);
>             getElement().getStyle().setProperty("backgroundColor",
> color);
>         }
>
>         @Override
>         protected void onComplete()
>         {
>             super.onComplete();
>
>             GWT.log("onComplete");
>             String tmp = startColor;
>             startColor = endColor;
>             endColor = tmp;
>             run(halfTime);
>         }
>     }

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