327     public boolean isFullScreenSupported() {

   327     public boolean isFullScreenSupported() {

   328         return isFSExclusiveModeAllowed();

   328         return isFSExclusiveModeAllowed();

   329     }

   329     }

   330 

   330 

   331     @Override

   331     @Override

   332     public synchronized void setFullScreenWindow(Window w) {

   333     public synchronized void setFullScreenWindow(Window w) {

   333         Window old = getFullScreenWindow();

   334         Window old = getFullScreenWindow();

   334         if (w == old) {

   335         if (w == old) {

   335             return;

   336             return;

   336         }

   337         }

   402     public boolean isDisplayChangeSupported() {

   403     public boolean isDisplayChangeSupported() {

   403         return (isFullScreenSupported() && getFullScreenWindow() != null);

   404         return (isFullScreenSupported() && getFullScreenWindow() != null);

   404     }

   405     }

   405 

   406 

   406     @Override

   407     @Override

   407     public synchronized void setDisplayMode(DisplayMode dm) {

   409     public synchronized void setDisplayMode(DisplayMode dm) {

   408         if (!isDisplayChangeSupported()) {

   410         if (!isDisplayChangeSupported()) {

   409             super.setDisplayMode(dm);

   411             super.setDisplayMode(dm);

   410             return;

   412             return;

   411         }

   413         }