diff -r 000000000000 -r 16d8024aca5e src/hbcore/inputfw/hbinputpredictioncallback.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hbcore/inputfw/hbinputpredictioncallback.h	Mon Apr 19 14:02:13 2010 +0300
@@ -0,0 +1,58 @@
+/****************************************************************************
+**
+** Copyright (C) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (developer.feedback@nokia.com)
+**
+** This file is part of the HbCore module of the UI Extensions for Mobile.
+**
+** GNU Lesser General Public License Usage
+** This file may be used under the terms of the GNU Lesser General Public
+** License version 2.1 as published by the Free Software Foundation and
+** appearing in the file LICENSE.LGPL included in the packaging of this file.
+** Please review the following information to ensure the GNU Lesser General
+** Public License version 2.1 requirements will be met:
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at developer.feedback@nokia.com.
+**
+****************************************************************************/
+
+#ifndef HB_INPUT_PREDICTION_CALLBACK_H
+#define HB_INPUT_PREDICTION_CALLBACK_H
+
+#include <hbinputdef.h>
+
+/*!
+@proto
+@hbcore
+\class HbPredictionCallback
+\brief A callback method for prediction engine API.  
+
+This callback class can be delivered as a parameter for various prediction engine API methods.
+When it is given, the prediction engine can use it for querying editor buffer contents and
+cursor position. This information is needed for example in case of context sensitive prediction.
+
+\sa HbPredictionEngine
+*/
+class HbPredictionCallback
+{
+public:
+    virtual ~HbPredictionCallback() {}    
+
+    virtual QString surroundingText() = 0;
+    virtual int cursorPosition() = 0;
+    virtual QList<HbKeyPressProbability> probableKeypresses()
+    {
+    return QList<HbKeyPressProbability>();
+    }
+};
+
+#endif // HB_INPUT_PREDICTION_CALLBACK_H
+
+// End of file