1 /*
   2  * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package com.apple.laf;
  27 
  28 import javax.swing.JComponent;
  29 import javax.swing.plaf.ComponentUI;
  30 import javax.swing.plaf.basic.BasicPanelUI;
  31 
  32 import com.apple.laf.AquaUtils.RecyclableSingleton;
  33 import com.apple.laf.AquaUtils.RecyclableSingletonFromDefaultConstructor;
  34 
  35 import java.awt.Graphics;
  36 
  37 public class AquaPanelUI extends BasicPanelUI {
  38     static RecyclableSingleton<AquaPanelUI> instance = new RecyclableSingletonFromDefaultConstructor<AquaPanelUI>(AquaPanelUI.class);
  39 
  40     public static ComponentUI createUI(final JComponent c) {
  41         return instance.get();
  42     }
  43 
  44     @Override
  45     public final void update(final Graphics g, final JComponent c) {
  46         if (c.isOpaque()) {
  47             AquaUtils.fillRect(g, c);
  48         }
  49         paint(g, c);
  50     }
  51 }