/****************************************************************************+
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**+
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** Copyright (C) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).+
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** All rights reserved.+
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** Contact: Nokia Corporation (developer.feedback@nokia.com)+
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**+
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** This file is part of the HbWidgets module of the UI Extensions for Mobile.+
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**+
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** GNU Lesser General Public License Usage+
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** This file may be used under the terms of the GNU Lesser General Public+
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** License version 2.1 as published by the Free Software Foundation and+
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** appearing in the file LICENSE.LGPL included in the packaging of this file.+
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** Please review the following information to ensure the GNU Lesser General+
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** Public License version 2.1 requirements will be met:+
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.+
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**+
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** In addition, as a special exception, Nokia gives you certain additional+
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** rights.  These rights are described in the Nokia Qt LGPL Exception+
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.+
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**+
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** If you have questions regarding the use of this file, please contact+
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** Nokia at developer.feedback@nokia.com.+
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**+
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****************************************************************************/+
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#include "hbtumbleviewitem.h"+
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#include "hbtapgesture_p.h"+
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+
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#include "hblistviewitem_p.h"+
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#include "hbnamespace_p.h"+
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#include <hbstyleoptionlistviewitem_p.h>+
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+
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#include <QGestureEvent>+
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#include <QCoreApplication>+
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+
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HbTumbleViewItem::HbTumbleViewItem(QGraphicsItem *parent) :+
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    HbListViewItem(parent)+
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{+
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    HB_SDD(HbAbstractViewItem);+
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    sd->mItemType = QString("tumbleviewitem");+
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    setFocusPolicy(Qt::NoFocus);+
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}+
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+
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HbTumbleViewItem::~HbTumbleViewItem()+
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{+
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}+
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+
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/*!+
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    \reimp+
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*/+
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int HbTumbleViewItem::type() const+
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{+
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    return Type;+
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}+
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+
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+
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/*!+
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    \reimp+
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*/+
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HbAbstractViewItem *HbTumbleViewItem::createItem()+
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{+
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    HbTumbleViewItem* item = new HbTumbleViewItem(*this);+
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    item->setFocusPolicy(Qt::NoFocus);+
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    connect(item,SIGNAL(released(QPointF)),item->itemView(),SLOT(_q_itemSelected(QPointF)));+
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    return item;+
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}+
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/*!+
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    \reimp+
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*/+
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void HbTumbleViewItem::updateChildItems()+
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{+
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    Q_D(HbListViewItem);+
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    if (d->mIndex.data(Qt::DisplayRole).isNull())+
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         return;+
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    HbListViewItem::updateChildItems();+
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    if(d->mSelectionItem){+
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        d->mSelectionItem->hide();+
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    }+
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}+
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+
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void HbTumbleViewItem::gestureEvent(QGestureEvent *event)+
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{+
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    HbTapGesture *gesture = static_cast<HbTapGesture *>(event->gesture(Qt::TapGesture));+
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    if (gesture) {+
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        Q_D(HbAbstractViewItem);+
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        if(itemView()->isScrolling()){+
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            event->ignore();+
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            event->ignore(Qt::TapGesture);+
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            return;+
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        }+
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        if(gesture->state() == Qt::GestureCanceled){+
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            d->setPressed(false, false);+
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            event->accept();+
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            scene()->setProperty(HbPrivate::OverridingGesture.latin1(),QVariant());+
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            return;+
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        }+
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        d->tapTriggered(event);+
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    } else {+
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        HbWidget::gestureEvent(event);+
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   +
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    }+
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}+
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+
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+
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QSizeF HbTumbleViewItem::sizeHint(Qt::SizeHint which, const QSizeF &constraint) const+
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{+
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    HB_SDD(const HbAbstractViewItem);+
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    static qreal height=0;+
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+
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    QSizeF sh=HbListViewItem::sizeHint(which,constraint);+
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    if(which == Qt::PreferredSize && sh.height()<=0) {+
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        //TODO:remove this check once refresh issue in DTP is solved on removeRows/insertRows+
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        if(height<=0) {+
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            //Let's create a temporary item and take the height for the size hint+
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            HbAbstractViewItem *tempitem = sd->mPrototype->createItem();+
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            if(sd->mItemView) {+
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                QAbstractItemModel *model = sd->mItemView->model();+
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                if(model) {+
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                    int rowCount=model->rowCount();+
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                    QModelIndex ind=model->index(rowCount,0);+
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                    if(ind.isValid()) {+
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                        tempitem->setModelIndex(ind);+
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                    }+
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                }+
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            }+
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+
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+
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            //call polish            +
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            QEvent polishEvent(QEvent::Polish);+
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            QCoreApplication::sendEvent(const_cast<HbAbstractViewItem *>(tempitem), &polishEvent);+
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            height=tempitem->effectiveSizeHint(which,constraint).height();+
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            delete tempitem;+
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        }+
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        return QSizeF(sh.width(),height);+
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    }+
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    return sh;+
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}+
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+
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+
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#include "moc_hbtumbleviewitem.cpp"+
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+
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