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

**

** 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 HbWidgets 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 HBSMILEYENGINE_P_H

#define HBSMILEYENGINE_P_H

#include <hbsmileytheme.h>

#include <hbsmileyengine.h>

#include <QTextCursor>

#include <QTextObjectInterface>

#include <QObject>

#include <QPair>

class HbIconAnimator;

QT_FORWARD_DECLARE_CLASS(QTextDocument);

class HbIconTextObject : public QObject, public QTextObjectInterface

{

    Q_OBJECT

    Q_INTERFACES(QTextObjectInterface)

public:

    enum Properties { HbSmileyData = 1 };

    typedef QPair<QTextCursor*, HbIconAnimator*> HbSmileyDataType;

public:

    QSizeF intrinsicSize(QTextDocument *doc, int posInDocument,

                         const QTextFormat &format);

    void drawObject(QPainter *painter, const QRectF &rect, QTextDocument *doc,

                    int posInDocument, const QTextFormat &format);

};

class HbSmileyEnginePrivate

{

    Q_DECLARE_PUBLIC(HbSmileyEngine)

public:

    enum { HbIconTextFormat = QTextFormat::UserObject + 1 };

    HbSmileyEnginePrivate();

    virtual ~HbSmileyEnginePrivate();

    void init();

    void cleanUp();

    void setDocument(QTextDocument *doc);

    void insertSmiley( QTextCursor cursor, const QString& name);

    void insertSmileys( QTextCursor cursor, bool insertOne = false);

    HbIconAnimator* lookupAnimator(const QString& name);

    bool isCursorValid(QTextCursor* cursor) const;

    HbIconAnimator* animatorForCursor(const QTextCursor& cursor);

    void removeCursor(const QTextCursor &cursor, HbIconAnimator* animator);

    void convertToText(QTextDocument *copyDoc) const;

    void _q_animationProgressed();

    void _q_documentContentsChanged(int position, int charsRemoved, int charsAdded);

    HbSmileyEngine *q_ptr;

    QTextDocument *mDocument;

    HbSmileyTheme mSmileyTheme;

    bool mEdited;

    QObject *mIconTextObject;

    QHash<HbIconAnimator*, QList<QTextCursor*> > mAnimatorToCursors;

    QHash<QTextCursor*,HbIconAnimator*> mCursorToAnimator;

    QHash<QString, HbIconAnimator*> mSmileyAnimator;

    static HbSmileyTheme mDefaultTheme;

};

Q_DECLARE_METATYPE(HbIconAnimator*)

Q_DECLARE_METATYPE(HbIconTextObject::HbSmileyDataType)

#endif // HBSMILEYENGINE_P_H