gcc/libjava/classpath/javax/swing/DesktopManager.java

/* DesktopManager.java --
   Copyright (C) 2002, 2004 Free Software Foundation, Inc.

This file is part of GNU Classpath.

GNU Classpath is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
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GNU Classpath is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
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General Public License for more details.

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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA.

Linking this library statically or dynamically with other modules is
making a combined work based on this library.  Thus, the terms and
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As a special exception, the copyright holders of this library give you
permission to link this library with independent modules to produce an
executable, regardless of the license terms of these independent
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terms of your choice, provided that you also meet, for each linked
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package javax.swing;

/**
 * DesktopManagers are responsible for implementing the behaviours for the
 * JInternalFrames that belong to JDesktopPanes. Actions such as maximizing,
 * minimizing, iconifying, etc will be delegated to the DesktopManager.
 */
public interface DesktopManager
{
  /**
   * This method will cause the JInternalFrame to be displayed in the set
   * location. This usually is not needed since the user will add the
   * JInternalFrame to a Container separately.
   *
   * @param frame The JInternalFrame to open.
   */
  void openFrame(JInternalFrame frame);

  /**
   * This method should remove the JInternalFrame from its parent.
   *
   * @param frame The JInternalFrame to close.
   */
  void closeFrame(JInternalFrame frame);

  /**
   * This method should maximize the JInternalFrame to match its parent's
   * bounds.
   *
   * @param frame The JInternalFrame to maximize.
   */
  void maximizeFrame(JInternalFrame frame);

  /**
   * This method should restore the JInternalFrame to its normal bounds.
   *
   * @param frame The JInternalFrame to minimize.
   */
  void minimizeFrame(JInternalFrame frame);

  /**
   * This method should remove the JInternalFrame from its parent and replace
   * it with a JDesktopIcon.
   *
   * @param frame The JInternalFrame to iconify.
   */
  void iconifyFrame(JInternalFrame frame);

  /**
   * This method should remove the JDesktopIcon from its parent and replace it
   * with the JInternalFrame that the JDesktopIcon represents.
   *
   * @param frame The JInternalFrame to deiconify.
   */
  void deiconifyFrame(JInternalFrame frame);

  /**
   * This method should give focus to the JInternalFrame and its default focus
   * owner.
   *
   * @param vframe The JInternalFrame to activate.
   */
  void activateFrame(JInternalFrame vframe);

  /**
   * This method should be called when the JInternalFrame gets deselected and
   * subsequently loses focus.
   *
   * @param frame The JInternalFrame to deactivate.
   */
  void deactivateFrame(JInternalFrame frame);

  /**
   * This method should be called in preparation for dragging. This needs to
   * be called prior to dragFrame calls so that the DesktopManager can
   * prepare any state information.
   *
   * @param frame The JInternalFrame to prepare for dragging.
   */
  void beginDraggingFrame(JComponent frame);

  /**
   * This method drags the given JInternalFrame to the given x and y
   * coordinates.
   *
   * @param frame The JInternalFrame to drag.
   * @param x The new x coordinate.
   * @param y The new y coordinate.
   */
  void dragFrame(JComponent frame, int x, int y);

  /**
   * This method should be called after dragFrame calls. Any information used
   * by the DesktopManager for dragging the JInternalFrame can be cleared.
   *
   * @param frame The JInternalFrame that finished dragging.
   */
  void endDraggingFrame(JComponent frame);

  /**
   * This method should be called prior to any resizeFrame calls. Any state
   * information needed by the DesktopManager to resize the JInternalFrame
   * will be prepared here.
   *
   * @param frame The JInternalFrame to resize.
   * @param direction One of eight directions specified by SwingConstants.
   */
  void beginResizingFrame(JComponent frame, int direction);

  /**
   * This method is called to resize the given JInternalFrame to the given
   * bounds.
   *
   * @param frame The JInternalFrame to resize.
   * @param x The new x coordinate.
   * @param y The new y coordinate.
   * @param width The new width.
   * @param height The new height.
   */
  void resizeFrame(JComponent frame, int x, int y, int width, int height);

  /**
   * This method is called to signify that the resize is finished. Any
   * information used to resize the JInternalFrame can now be cleared.
   *
   * @param frame The JInternalFrame that just finished dragging.
   */
  void endResizingFrame(JComponent frame);

  /**
   * This method does the actual work for reshaping the JInternalFrame.
   *
   * @param frame The JInternalFrame to resize.
   * @param x The new x coordinate.
   * @param y The new y coordinate.
   * @param width The new width.
   * @param height The new height.
   */
  void setBoundsForFrame(JComponent frame, int x, int y, int width, int height);
} // DesktopManager