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Diffstat (limited to 'libjava/java/awt/datatransfer/Clipboard.java')
-rw-r--r-- | libjava/java/awt/datatransfer/Clipboard.java | 135 |
1 files changed, 128 insertions, 7 deletions
diff --git a/libjava/java/awt/datatransfer/Clipboard.java b/libjava/java/awt/datatransfer/Clipboard.java index 634a8d5..6ef9e70 100644 --- a/libjava/java/awt/datatransfer/Clipboard.java +++ b/libjava/java/awt/datatransfer/Clipboard.java @@ -1,15 +1,136 @@ -/* Copyright (C) 2000 Free Software Foundation +/* Clipboard.java -- Class for transferring data via cut and paste. + Copyright (C) 1999, 2001 Free Software Foundation, Inc. - This file is part of libgcj. +This file is part of GNU Classpath. -This software is copyrighted work licensed under the terms of the -Libgcj License. Please consult the file "LIBGCJ_LICENSE" for -details. */ +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) +any later version. -package java.awt.datatransfer; +GNU Classpath is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA +02111-1307 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +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 +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ -/* A very incomplete placeholder. */ +package java.awt.datatransfer; + +/** + * This class allows data to be transferred using a cut and paste type + * mechanism. + * + * @author Aaron M. Renn (arenn@urbanophile.com) + */ public class Clipboard { + +/* + * Instance Variables + */ + +/** + * The data being transferred. + */ +protected Transferable contents; + +/** + * The owner of this clipboard. + */ +protected ClipboardOwner owner; + +// The clipboard name +private String name; + +/*************************************************************************/ + +/* + * Constructors + */ + +/** + * Initializes a new instance of <code>Clipboard</code> with the + * specified name. + * + * @param name The clipboard name. + */ +public +Clipboard(String name) +{ + this.name = name; } + +/*************************************************************************/ + +/* + * Instance Methods + */ + +/** + * Returns the name of the clipboard. + */ +public String +getName() +{ + return(name); +} + +/*************************************************************************/ + +/** + * Returns the contents of the clipboard. + * + * @param requestor The object requesting the contents. + */ +public synchronized Transferable +getContents(Object requestor) +{ + return(contents); +} + +/*************************************************************************/ + +/** + * Sets the content and owner of this clipboard. + * If the given owner is different from the current owner + * then lostOwnership is called on the current owner. + * XXX - is this called with the old or new contents. + * + * @param contents The new clipboard contents. + * @param owner The new clipboard owner + */ +public synchronized void +setContents(Transferable contents, ClipboardOwner owner) +{ + if (this.owner != owner) + if (this.owner != null) + this.owner.lostOwnership(this, contents); + + this.owner = owner; + this.contents = contents; +} + +} // class Clipboard + |