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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the demonstration applications 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 Technology Preview License Agreement accompanying
** this package.
**
** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#include <QDebug>
#include <QDir>

#include "demoapplication.h"



DemoApplication::DemoApplication(QString executableName, QString caption, QString imageName, QStringList args)
{
    imagePath = imageName;
    appCaption = caption;

    if (executableName[0] == QLatin1Char('/'))
        executablePath = executableName;
    else
        executablePath = QDir::cleanPath(QDir::currentPath() + QLatin1Char('/') + executableName);
  
    arguments = args;

    process.setProcessChannelMode(QProcess::ForwardedChannels);

    QObject::connect( &process, SIGNAL(finished(int, QProcess::ExitStatus)), 
                      this, SLOT(processFinished(int, QProcess::ExitStatus)));

    QObject::connect( &process, SIGNAL(error(QProcess::ProcessError)), 
                      this, SLOT(processError(QProcess::ProcessError)));

    QObject::connect( &process, SIGNAL(started()), this, SLOT(processStarted()));
}


void DemoApplication::launch()
{
    process.start(executablePath, arguments);
}

QImage* DemoApplication::getImage()
{
    return new QImage(imagePath);
}

QString DemoApplication::getCaption()
{
    return appCaption;
}

void DemoApplication::processFinished(int exitCode, QProcess::ExitStatus exitStatus)
{
    Q_UNUSED(exitCode);
    Q_UNUSED(exitStatus);

    emit demoFinished();

    QObject::disconnect(this, SIGNAL(demoStarted()), 0, 0);
    QObject::disconnect(this, SIGNAL(demoFinished()), 0, 0);
}

void DemoApplication::processError(QProcess::ProcessError err)
{
    qDebug() << "Process error: " << err;
    if (err == QProcess::Crashed)
        emit demoFinished();
}


void DemoApplication::processStarted()
{
    emit demoStarted();
}