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

**

** 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 HBINDEXFEEDBACKPRIVATE_H

#define HBINDEXFEEDBACKPRIVATE_H

//

//  W A R N I N G

//  -------------

//

// This file is not part of the Qt API.  It exists purely as an

// implementation detail.  This header file may change from version to

// version without notice, or even be removed.

//

// We mean it.

//

#include "hbindexfeedback.h"

#include <hbwidget_p.h>

#define HB_INDEXFEEDBACK_TYPE "indexfeedback"

#define EFFECT_IFAPPEAR "appear"

#define EFFECT_IFDISAPPEAR "disappear"

QT_BEGIN_NAMESPACE

class QGraphicsWidget;

class QGraphicsItem;

class QRectF;

QT_END_NAMESPACE

class HbIndexFeedbackPrivate : public HbWidgetPrivate

{

    Q_DECLARE_PUBLIC( HbIndexFeedback )

public:

    HbIndexFeedbackPrivate();

    virtual ~HbIndexFeedbackPrivate();

    void init();

    void showIndexFeedback();

    void scrollBarPressed();

    void scrollBarReleased();

    void connectScrollBarToIndexFeedback(HbScrollBar* scrollBar);

    void disconnectItemView();

    void _q_scrollPositionChanged(qreal value, Qt::Orientation orientation);

    void _q_hideIndexFeedback();

    void _q_itemViewDestroyed();

    void _q_hideIndexFeedbackNow();

    void updatePrimitives();

    void createPrimitives();

    void calculatePopupRects();

    qreal textHeight() const;

    qreal textWidth() const;

    QString displayText(const QVariant &data) const;

public:

    int mIndexFeedbackPressTimeout;

    int mIndexFeedbackDwellTimeout;

    int mIndexFeedbackReleaseTimeout;

    HbIndexFeedback::IndexFeedbackPolicy mIndexFeedbackPolicy;

    // TODO::The values are storred here is a work around for a bug in hbscrollbar.

    // the bug is that the value changed signal is emitted when the thumb

    // is pressed, and again when it is released, regaurdless of if there was a value change.

    // once that bug is fixed, this should be removed.

    qreal mVerticalScrollBarValue;

    qreal mHorizontalScrollBarValue;

    QTimer *mIndexFeedbackTimer;

    QTimer *mDisappearTimer;

    QString mPopupContent;

    QGraphicsItem *mTextItem;

    QGraphicsItem *mPopupItem;

    HbAbstractItemView *mItemView;

    QRectF mPopupTextRect;

    QRectF mPopupBackgroundRect;

    QRectF mItemViewContentsRect;

    qreal mOneCharHeight;

    qreal mThreeCharHeight;

    qreal mThreeCharWidth;

    qreal mStringOffset;

    QList<QGraphicsItem*> mPopupItemList;

};

#endif //HBINDEXFEEDBACKPRIVATE_H