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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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* 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.
*
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* 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).
*
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package sun.lwawt;
import java.awt.Component;
import java.awt.Graphics;
import sun.awt.AWTAccessor;
import sun.awt.RepaintArea;
Emulates appearance of heavyweight components before call of the user code.
Author: Sergey Bylokhov
/**
* Emulates appearance of heavyweight components before call of the user code.
*
* @author Sergey Bylokhov
*/
final class LWRepaintArea extends RepaintArea {
@Override
protected void updateComponent(final Component comp, final Graphics g) {
// We shouldn't paint native component as a result of UPDATE events,
// just flush onscreen back-buffer.
if (comp != null) {
super.updateComponent(comp, g);
LWComponentPeer.flushOnscreenGraphics();
}
}
@Override
protected void paintComponent(final Component comp, final Graphics g) {
if (comp != null) {
Object peer = AWTAccessor.getComponentAccessor().getPeer(comp);
if (peer != null) {
((LWComponentPeer<?, ?>) peer).paintPeer(g);
}
super.paintComponent(comp, g);
LWComponentPeer.flushOnscreenGraphics();
}
}
}