public void start(KeyboardManager keymgr, Window root, RunQueue rqueue) {
EventListener listener = new EventListener();
try {
// try to add a global event listener
Toolkit.getDefaultToolkit().addAWTEventListener(listener, EVENT_MASK);
} catch (SecurityException se) {
// fall back to listening to our main window
if (root != null) {
root.addKeyListener(listener);
root.addMouseListener(listener);
root.addMouseMotionListener(listener);
}
}
// and tie into the keyboard manager if one is provided
if (keymgr != null) {
keymgr.registerKeyObserver(
new KeyboardManager.KeyObserver() {
public void handleKeyEvent(int id, int keyCode, long timestamp) {
handleUserActivity();
}
});
}
// register an interval to periodically check our last activity time
new Interval(rqueue) {
@Override
public void expired() {
checkIdle();
}
}.schedule(_toIdleTime / 3, true);
}
/**
* Installs the necessary Listeners on the parent <code>Window</code>, if there is one.
*
* <p>This takes the parent so that cleanup can be done from <code>removeNotify</code>, at which
* point the parent hasn't been reset yet.
*
* @param parent The parent of the JRootPane
*/
private void installWindowListeners(JRootPane root, Component parent) {
if (parent instanceof Window) {
window = (Window) parent;
} else {
window = SwingUtilities.getWindowAncestor(parent);
}
if (window != null) {
if (mouseInputListener == null) {
mouseInputListener = createWindowMouseInputListener(root);
}
window.addMouseListener(mouseInputListener);
window.addMouseMotionListener(mouseInputListener);
}
}