--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/main/java/com/glavsoft/rfb/ClipboardController.java	Thu Sep 11 07:30:03 2014 +0900
@@ -0,0 +1,59 @@
+// Copyright (C) 2010, 2011, 2012, 2013 GlavSoft LLC.
+// All rights reserved.
+//
+//-------------------------------------------------------------------------
+// This file is part of the TightVNC software.  Please visit our Web site:
+//
+//                       http://www.tightvnc.com/
+//
+// This program 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 of the License, or
+// (at your option) any later version.
+//
+// This program 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 this program; if not, write to the Free Software Foundation, Inc.,
+// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+//-------------------------------------------------------------------------
+//
+
+package com.glavsoft.rfb;
+
+/**
+ * Interface for handling clipboard texts
+ */
+public interface ClipboardController extends IChangeSettingsListener {
+	void updateSystemClipboard(byte[] bytes);
+
+	/**
+	 * Get text clipboard contens when needed send to remote, or null vise versa
+	 * Implement this method such a way in swing context, because swing's clipboard
+	 * update listener invoked only on DataFlavor changes not content changes.
+	 * Implement as returned null on systems where clipboard listeners work correctly.
+	 *
+	 * @return clipboad string contents if it is changed from last method call
+	 * or null when clipboard contains non text object or clipboard contents didn't changed
+	 */
+	String getRenewedClipboardText();
+
+	/**
+	 * Returns clipboard text content previously retrieved frim system clipboard by
+	 * updateSavedClippoardContent()
+	 *
+	 * @return clipboard text content
+	 */
+	String getClipboardText();
+
+	/**
+	 * Enable/disable clipboard transfer
+	 *
+	 * @param enable
+	 */
+	void setEnabled(boolean enable);
+
+}