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ContainerPeer.java
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79 lines (72 loc) · 1.62 KB
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/*
* Copyright (c) 1995, 2005, Oracle and/or its affiliates. All rights reserved.
* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
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package java.awt.peer;
import java.awt.*;
/**
* The peer interface for {@link Container}. This is the parent interface
* for all container like widgets.
*
* The peer interfaces are intended only for use in porting
* the AWT. They are not intended for use by application
* developers, and developers should not implement peers
* nor invoke any of the peer methods directly on the peer
* instances.
*/
public interface ContainerPeer extends ComponentPeer {
/**
* Returns the insets of this container. Insets usually is the space that
* is occupied by things like borders.
*
* @return the insets of this container
*/
Insets getInsets();
/**
* Notifies the peer that validation of the component tree is about to
* begin.
*
* @see Container#validate()
*/
void beginValidate();
/**
* Notifies the peer that validation of the component tree is finished.
*
* @see Container#validate()
*/
void endValidate();
/**
* Notifies the peer that layout is about to begin. This is called
* before the container itself and its children are laid out.
*
* @see Container#validateTree()
*/
void beginLayout();
/**
* Notifies the peer that layout is finished. This is called after the
* container and its children have been laid out.
*
* @see Container#validateTree()
*/
void endLayout();
}