57 import sun.awt.PeerEvent;
  58 import sun.awt.SunToolkit;
  59 
  60 import sun.awt.dnd.SunDropTargetEvent;
  61 
  62 import sun.java2d.pipe.Region;
  63 
  64 import sun.security.action.GetBooleanAction;
  65 
  66 /**
  67  * A generic Abstract Window Toolkit(AWT) container object is a component
  68  * that can contain other AWT components.
  69  * <p>
  70  * Components added to a container are tracked in a list.  The order
  71  * of the list will define the components' front-to-back stacking order
  72  * within the container.  If no index is specified when adding a
  73  * component to a container, it will be added to the end of the list
  74  * (and hence to the bottom of the stacking order).
  75  * <p>
  76  * <b>Note</b>: For details on the focus subsystem, see
  77  * <a href="http://docs.oracle.com/javase/tutorial/uiswing/misc/focus.html">
  78  * How to Use the Focus Subsystem</a>,
  79  * a section in <em>The Java Tutorial</em>, and the
  80  * <a href="../../java/awt/doc-files/FocusSpec.html">Focus Specification</a>
  81  * for more information.
  82  *
  83  * @author      Arthur van Hoff
  84  * @author      Sami Shaio
  85  * @see       #add(java.awt.Component, int)
  86  * @see       #getComponent(int)
  87  * @see       LayoutManager
  88  * @since     JDK1.0
  89  */
  90 public class Container extends Component {
  91 
  92     private static final PlatformLogger log = PlatformLogger.getLogger("java.awt.Container");
  93     private static final PlatformLogger eventLog = PlatformLogger.getLogger("java.awt.event.Container");
  94 
  95     private static final Component[] EMPTY_ARRAY = new Component[0];
  96 
  97     /**

  57 import sun.awt.PeerEvent;
  58 import sun.awt.SunToolkit;
  59 
  60 import sun.awt.dnd.SunDropTargetEvent;
  61 
  62 import sun.java2d.pipe.Region;
  63 
  64 import sun.security.action.GetBooleanAction;
  65 
  66 /**
  67  * A generic Abstract Window Toolkit(AWT) container object is a component
  68  * that can contain other AWT components.
  69  * <p>
  70  * Components added to a container are tracked in a list.  The order
  71  * of the list will define the components' front-to-back stacking order
  72  * within the container.  If no index is specified when adding a
  73  * component to a container, it will be added to the end of the list
  74  * (and hence to the bottom of the stacking order).
  75  * <p>
  76  * <b>Note</b>: For details on the focus subsystem, see
  77  * <a href="https://docs.oracle.com/javase/tutorial/uiswing/misc/focus.html">
  78  * How to Use the Focus Subsystem</a>,
  79  * a section in <em>The Java Tutorial</em>, and the
  80  * <a href="../../java/awt/doc-files/FocusSpec.html">Focus Specification</a>
  81  * for more information.
  82  *
  83  * @author      Arthur van Hoff
  84  * @author      Sami Shaio
  85  * @see       #add(java.awt.Component, int)
  86  * @see       #getComponent(int)
  87  * @see       LayoutManager
  88  * @since     JDK1.0
  89  */
  90 public class Container extends Component {
  91 
  92     private static final PlatformLogger log = PlatformLogger.getLogger("java.awt.Container");
  93     private static final PlatformLogger eventLog = PlatformLogger.getLogger("java.awt.event.Container");
  94 
  95     private static final Component[] EMPTY_ARRAY = new Component[0];
  96 
  97     /**