/*

* Copyright (c) 2008 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:  stub videolistwidget for testing video list selection dialog

* 

*/

#ifndef VIDEOLISTWIDGET_H

#define VIDEOLISTWIDGET_H

#include <QObject>

#include <QItemSelection>

#include <QGraphicsWidget>

#include <QGraphicsLayoutItem>

#include <QGraphicsItem>

#include "hbview.h"

#include "hbabstractitemview.h"

class QGraphicsLayoutItem;

class VideoSortFilterProxyModel;

/**

 * dummy class inherited from QGraphicsItem needed

 * as parent item for videolistwidget

 */

class DummyGraphicsItem : public QGraphicsItem

{

public:

    virtual QRectF boundingRect() const {return QRectF();}

    virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0)

    {

        Q_UNUSED(painter);

        Q_UNUSED(option);

        Q_UNUSED(widget);

    }

};

/**

 * dummy class inherited from QGraphicsLayoutItem needed

 * as parent layout item for videolistwidget

 */

class DummyGraphicsLayoutItem : public QGraphicsLayoutItem

{    

public:

    virtual QSizeF sizeHint(Qt::SizeHint which, const QSizeF &constraint = QSizeF()) const 

    {

        Q_UNUSED(which);

        Q_UNUSED(constraint);

        return QSizeF();

    }

};

/**

 * dummy selection model, just needed for signal connecting

 */

class DummySelectionModel : public QObject

{

    Q_OBJECT

public:

    DummySelectionModel(){}

    ~DummySelectionModel(){}

signals:

    void selectionChanged (const QItemSelection&, const QItemSelection&);

};

class VideoListWidget : public QObject

{

	Q_OBJECT

public:

    /**

     * Contructor.

     *

     * @param parent parent of this widget

     */       

	VideoListWidget(VideoSortFilterProxyModel &model);

    /**

     * Destructor.

     *

     */   

    virtual ~VideoListWidget();

    /**

     * returns model

     */

    VideoSortFilterProxyModel& getModel();

    /**

     * dummy implementation

     */

    QGraphicsLayoutItem* parentLayoutItem();

    /**

     * dummy implementation

     */

    QGraphicsItem* parentItem();

    /**

     * dummy implementation

     */

    void setParentItem(QGraphicsItem *currentParentItem);

    /**

     * dummy implementation

     */

    void setParentLayoutItem(QGraphicsLayoutItem *currenParentLayout);

    /**

     * dummy

     */

    void setVisible(bool how);

    /**

     * dummy

     */

    void setSelectionMode(HbAbstractItemView::SelectionMode mode);

    /**

     * returns mDummySelectionModel

     */

    DummySelectionModel* selectionModel();

signals:

    /**

     * selection changed

     */

    void selectionChanged (const QItemSelection&, const QItemSelection&);

public slots:

    /**

     * sets all items selected

     */

    void selectAll();

    /**

     * clears selection

     */

    void clearSelection();

public:

    /**

     * model

     */

    VideoSortFilterProxyModel &mModel;

    /**

     * dummy selection model for emitting selectionChanged

     */

    DummySelectionModel *mDummySelectionModel;

    /**

     * counter for startselectionmode calls

     */

    int mStartSelModeStartedCount;

    /**

     * counter for end selection mode calls

     */

    int mEndSelModelStartedCount;

    /**

     * visibility

     */

    bool mVisibility;

    /**

     * selection mode

     */

    HbAbstractItemView::SelectionMode mSelectionMode;

    /**

     * "parent" item

     */

    QGraphicsItem *mParentItem;

    /**

     * "parent" layout

     */

    QGraphicsLayoutItem *mParentLayout;

    /**

     * selection

     */

    QItemSelection mInitiallySelected;

};

#endif