/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** 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.
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** 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
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** 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.
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** 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
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** packaging of this file.  Please review the following information to
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****************************************************************************/

#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();
}