/*

 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

package sun.lwawt;

import java.awt.Component;

import java.awt.Container;

import java.awt.Cursor;

import java.awt.Point;

import java.util.concurrent.atomic.AtomicBoolean;

import sun.awt.SunToolkit;

public abstract class LWCursorManager {

    protected LWCursorManager() {

    }

     * Sets the cursor to correspond the component currently under mouse.

     *

     * This method should not be executed on the toolkit thread as it

     * calls to user code (e.g. Container.findComponentAt).

     */

        updatePending.set(false);

        updateCursorImpl();

    }

     * Schedules updating the cursor on the corresponding event dispatch

     * thread for the given window.

     *

     * This method is called on the toolkit thread as a result of a

     * native update cursor request (e.g. WM_SETCURSOR on Windows).

     */

        if (updatePending.compareAndSet(false, true)) {

            Runnable r = new Runnable() {

                @Override

                public void run() {

                    updateCursor();

                }

            };

            SunToolkit.executeOnEventHandlerThread(window.getTarget(), r);

        }

    }

    private void updateCursorImpl() {

        }

            if (c instanceof Container) {

            }

            while (c != null) {

                if (c.isVisible() && c.isEnabled() && (c.getPeer() != null)) {

                    break;

                }

                c = c.getParent();

            }

        }

    }

     * Returns the current cursor position.

     */

    // TODO: make it public to reuse for MouseInfo

    protected abstract Point getCursorPosition();

     */

}