Window2D.java 文件源码

/**
 * Remove a listener for mouse motion events.
 *
 * @param listener The mouse motion listener to remove.
 */
public void removeMouseMotionListener(MouseMotionListener listener) {
    if (app == null) {
        return;
    }
    synchronized (app.getAppCleanupLock()) {
        synchronized (this) {
            if (mouseMotionListeners == null) {
                return;
            }
            mouseMotionListeners.remove(listener);
            if (mouseMotionListeners.size() == 0) {
                mouseMotionListeners = null;
            }
        }
    }
}