void () { if (isActive()) { myHwFacade.dispose(); myHwFacade = null; myBackBuffer = null; myTarget.removeComponentListener(myTargetListener); Window owner = SwingUtilities.getWindowAncestor(myTarget); assert owner != null; owner.removeComponentListener(myOwnerListener); } if (!SystemInfo.isLinux) JBCefBrowser.removeOnBrowserMoveResizeCallback(onBrowserMoveResizeCallback); }