/*

 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

 * All rights reserved.

 * This component and the accompanying materials are made available

 * under the terms of "Eclipse Public License v1.0"

 * which accompanies this distribution, and is available

 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

 *

 * Initial Contributors:

 * Nokia Corporation - initial contribution.

 *

 * Contributors:

 *

 * Description: Customized scroll area which handles dynamic slide loading in

 *              unifiedviewer

 *

 */

#ifndef UNISCROLL_AREA_H

#define UNISCROLL_AREA_H

#include <hbwidget.h>

#include <hbscrollarea.h>

#include <qobject.h>

#include <QTimer>

class QGraphicsItem;

/**

 * Customized scroll area which handles dynamic slide loading in unifiedviewer

 */

class UniScrollArea : public HbScrollArea

{

Q_OBJECT

public:

    /**

     * Constructor

     */

    UniScrollArea(QGraphicsItem * parent = 0);

    /**

     * Destructor

     */

    ~UniScrollArea();

public:

    /**

     * Set the sroll area pos to the start

     */

    void setPosToStart();

    /**

     * Handler for UpGesture

     */

    void upGesture(int value);

    /**

     * Handler for DownGesture

     */

    void downGesture(int value);

public slots:

    /**

     * Handle scrolling started signal

     */

    void handleScrollingStarted();

    /**

     * Handle scrolling started signal

     */

    void handleScrollingEnded();

    /**

     * Set total slides present in the contents widget

     * @param  totalSlides

     */

    void setTotalSlides(int totalSlides);

    /**

     * Resets the current slide to zero

     */

    void resetCurrentSlide();

    signals:

    /**

     * Sinal emitted when next slide is to be loaded

     */

    void scrolledToNextSlide();

    /**

     * Sinal emitted when previous slide is to be loaded

     */

    void scrolledToPreviousSlide();

private:

    /**

     * current slide number

     */

    int mCurrentSlide;

    /**

     * Total slide count

     */

    int mTotalSlides;

    /**

     * Scrolling start pos

     */

    QPointF mScrollStartPoint;

    /**

     * Scrolling end pos

     */

    QPointF mScrollEndPoint;

};

#endif //UNISCROLL_AREA_H

// EOF