/****************************************************************************
**
** 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.
**
****************************************************************************/
#include "hbtumbleviewitem.h"
#include "hbtapgesture_p.h"

#include "hblistviewitem_p.h"
#include "hbnamespace_p.h"
#include <hbstyleoptionlistviewitem_p.h>

#include <QGestureEvent>
#include <QCoreApplication>

HbTumbleViewItem::HbTumbleViewItem(QGraphicsItem *parent) :
    HbListViewItem(parent)
{
    HB_SDD(HbAbstractViewItem);
    sd->mItemType = QString("tumbleviewitem");
    setFocusPolicy(Qt::NoFocus);
}

HbTumbleViewItem::~HbTumbleViewItem()
{
}

/*!
    \reimp
*/
int HbTumbleViewItem::type() const
{
    return Type;
}


/*!
    \reimp
*/
HbAbstractViewItem *HbTumbleViewItem::createItem()
{
    HbTumbleViewItem* item = new HbTumbleViewItem(*this);
    item->setFocusPolicy(Qt::NoFocus);
    connect(item,SIGNAL(released(QPointF)),item->itemView(),SLOT(_q_itemSelected(QPointF)));
    return item;
}
/*!
    \reimp
*/
void HbTumbleViewItem::updateChildItems()
{
    Q_D(HbListViewItem);
    if (d->mIndex.data(Qt::DisplayRole).isNull())
         return;
    HbListViewItem::updateChildItems();
    if(d->mSelectionItem){
        d->mSelectionItem->hide();
    }
}

void HbTumbleViewItem::gestureEvent(QGestureEvent *event)
{
    HbTapGesture *gesture = static_cast<HbTapGesture *>(event->gesture(Qt::TapGesture));
    if (gesture) {
        Q_D(HbAbstractViewItem);
        if(itemView()->isScrolling()){
            event->ignore();
            event->ignore(Qt::TapGesture);
            return;
        }
        if(gesture->state() == Qt::GestureCanceled){
            d->setPressed(false, false);
            event->accept();
            scene()->setProperty(HbPrivate::OverridingGesture.latin1(),QVariant());
            return;
        }
        d->tapTriggered(event);
    } else {
        HbWidget::gestureEvent(event);
   
    }
}


QSizeF HbTumbleViewItem::sizeHint(Qt::SizeHint which, const QSizeF &constraint) const
{
    HB_SDD(const HbAbstractViewItem);
    static qreal height=0;

    QSizeF sh=HbListViewItem::sizeHint(which,constraint);
    if(which == Qt::PreferredSize && sh.height()<=0) {
        //TODO:remove this check once refresh issue in DTP is solved on removeRows/insertRows
        if(height<=0) {
            //Let's create a temporary item and take the height for the size hint
            HbAbstractViewItem *tempitem = sd->mPrototype->createItem();
            if(sd->mItemView) {
                QAbstractItemModel *model = sd->mItemView->model();
                if(model) {
                    int rowCount=model->rowCount();
                    QModelIndex ind=model->index(rowCount,0);
                    if(ind.isValid()) {
                        tempitem->setModelIndex(ind);
                    }
                }
            }


            //call polish            
            QEvent polishEvent(QEvent::Polish);
            QCoreApplication::sendEvent(const_cast<HbAbstractViewItem *>(tempitem), &polishEvent);
            height=tempitem->effectiveSizeHint(which,constraint).height();
            delete tempitem;
        }
        return QSizeF(sh.width(),height);
    }
    return sh;
}


#include "moc_hbtumbleviewitem.cpp"