/* This file is part of the KDE project
   Copyright (C) 2003 Simon Hausmann <hausmann@kde.org>

   This program is free software; you can redistribute it and/or
   modify it under the terms of the GNU General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; see the file COPYING.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
   Boston, MA 02110-1301, USA.
*/

#include "delayedinitializer.h"
#include <QtCore/QTimer>
#include <QDebug>
#include <QtCore/QEvent>

DelayedInitializer::DelayedInitializer(int eventType, QObject *parent)
    : QObject(parent), m_eventType(eventType), m_signalEmitted(false)
{
    parent->installEventFilter(this);
}

bool DelayedInitializer::eventFilter(QObject *receiver, QEvent *event)
{
    if (m_signalEmitted || event->type() != m_eventType) {
        return false;
    }

    m_signalEmitted = true;
    receiver->removeEventFilter(this);

    // Move the emitting of the event to the end of the eventQueue
    // so we are absolutely sure the event we get here is handled before
    // the initialize is fired.
    QTimer::singleShot(0, this, SLOT(slotInitialize()));

    return false;
}

void DelayedInitializer::slotInitialize()
{
    emit initialize();
    deleteLater();
}

