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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** GNU Lesser General Public License Usage
** Alternatively, 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 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://www.qtsoftware.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/

#include "gameovertransition.h"
#include "tankitem.h"

#include <QSignalEvent>
#include <QSignalMapper>

GameOverTransition::GameOverTransition(QAbstractState *targetState)
    : QSignalTransition(new QSignalMapper(), SIGNAL(mapped(QObject*)))
{
    setTargetState(targetState);

    QSignalMapper *mapper = qobject_cast<QSignalMapper *>(senderObject());
    mapper->setParent(this);
}

void GameOverTransition::addTankItem(TankItem *tankItem)
{
    m_tankItems.append(tankItem);

    QSignalMapper *mapper = qobject_cast<QSignalMapper *>(senderObject());
    mapper->setMapping(tankItem, tankItem);
    connect(tankItem, SIGNAL(aboutToBeDestroyed()), mapper, SLOT(map()));
}

bool GameOverTransition::eventTest(QEvent *e)
{
    bool ret = QSignalTransition::eventTest(e);

    if (ret) {
        QSignalEvent *signalEvent = static_cast<QSignalEvent *>(e);
        QObject *sender = qvariant_cast<QObject *>(signalEvent->arguments().at(0));
        TankItem *tankItem = qobject_cast<TankItem *>(sender);
        m_tankItems.removeAll(tankItem);

        return m_tankItems.size() <= 1;
    } else {
        return false;
    }
}