/** 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(); } }