/** Invoked by PropertyChangeHandler. */
private void cleanUpIndeterminateValues() {
// stop the animation thread if necessary
if (progressBar.isDisplayable()) {
stopAnimationTimer();
}
cycleTime = repaintInterval = 0;
numFrames = animationIndex = 0;
maxPosition = 0;
delta = 0.0;
boxRect = nextPaintRect = null;
componentInnards = oldComponentInnards = null;
progressBar.removeHierarchyListener(getHandler());
}
/**
* Invoked by PropertyChangeHandler.
*
* <p>NOTE: This might not be invoked until after the first paintIndeterminate call.
*/
private void initIndeterminateValues() {
initIndeterminateDefaults();
// assert cycleTime/repaintInterval is a whole multiple of 2.
numFrames = cycleTime / repaintInterval;
initAnimationIndex();
boxRect = new Rectangle();
nextPaintRect = new Rectangle();
componentInnards = new Rectangle();
oldComponentInnards = new Rectangle();
// we only bother installing the HierarchyChangeListener if we
// are indeterminate
progressBar.addHierarchyListener(getHandler());
// start the animation thread if necessary
if (progressBar.isDisplayable()) {
startAnimationTimer();
}
}