/****************************************************************************

**

** 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 HbPlugins 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_HANDLER_PRIVATE

#define HB_INPUT_PREDICTION_HANDLER_PRIVATE

#include "hbinputmodehandler_p.h"

class HbPredictionEngine;

QT_BEGIN_NAMESPACE

class QStringList;

class QInputMethodEvent;

QT_END_NAMESPACE

class HbInputPredictionHandlerPrivate :public HbInputModeHandlerPrivate

{

    Q_DECLARE_PUBLIC(HbInputPredictionHandler)

public:

    HbInputPredictionHandlerPrivate();

    virtual ~HbInputPredictionHandlerPrivate();

    // data members

    void mouseHandler(int cursorPosition, QMouseEvent* mouseEvent);

    void init();

    bool filterEvent(const QKeyEvent * event);

    void keyHandlerUnicode(const QChar& character);

    void reset();

    void commit();

    void commit(const QString& string,bool addToUsedWordDict = false, bool isAsync = false);

    void commit(QInputMethodEvent & event,bool addToUsedWordDict = false);

    void candidatePopupClosed(int closingKey, const QString& activatedText);

    void commitAndAppendCharacter(QChar character);

    virtual void deleteOneCharacter();

    void commitExactWord();

    void handleEmptyCandidateList();

    void showExactWordPopupIfNeeded();

    QList<HbKeyPressProbability> probableKeypresses();

public:

    HbPredictionEngine  *mEngine;

    QStringList         *mCandidates;

    int                 mBestGuessLocation;

    bool                mShowTail;

    bool                mTailShowing;

    bool                mAutoAddedSpace;

    bool                mCanContinuePrediction;

    bool                mShowTooltip;

    Qt::KeyboardModifiers mModifiers;

public:

    void updateEditor();

};

#endif //HB_INPUT_PREDICTION_HANDLER_PRIVATE