demos/embedded/fluidlauncher/demoapplication.cpp
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     1 /****************************************************************************
       
     2 **
       
     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
       
     4 ** All rights reserved.
       
     5 ** Contact: Nokia Corporation (qt-info@nokia.com)
       
     6 **
       
     7 ** This file is part of the demonstration applications of the Qt Toolkit.
       
     8 **
       
     9 ** $QT_BEGIN_LICENSE:LGPL$
       
    10 ** No Commercial Usage
       
    11 ** This file contains pre-release code and may not be distributed.
       
    12 ** You may use this file in accordance with the terms and conditions
       
    13 ** contained in the Technology Preview License Agreement accompanying
       
    14 ** this package.
       
    15 **
       
    16 ** GNU Lesser General Public License Usage
       
    17 ** Alternatively, this file may be used under the terms of the GNU Lesser
       
    18 ** General Public License version 2.1 as published by the Free Software
       
    19 ** Foundation and appearing in the file LICENSE.LGPL included in the
       
    20 ** packaging of this file.  Please review the following information to
       
    21 ** ensure the GNU Lesser General Public License version 2.1 requirements
       
    22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
       
    23 **
       
    24 ** In addition, as a special exception, Nokia gives you certain additional
       
    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception
       
    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
       
    27 **
       
    28 ** If you have questions regarding the use of this file, please contact
       
    29 ** Nokia at qt-info@nokia.com.
       
    30 **
       
    31 **
       
    32 **
       
    33 **
       
    34 **
       
    35 **
       
    36 **
       
    37 **
       
    38 ** $QT_END_LICENSE$
       
    39 **
       
    40 ****************************************************************************/
       
    41 
       
    42 #include <QDebug>
       
    43 #include <QDir>
       
    44 
       
    45 #include "demoapplication.h"
       
    46 
       
    47 
       
    48 
       
    49 DemoApplication::DemoApplication(QString executableName, QString caption, QString imageName, QStringList args)
       
    50 {
       
    51     imagePath = imageName;
       
    52     appCaption = caption;
       
    53 
       
    54     if (executableName[0] == QLatin1Char('/'))
       
    55         executablePath = executableName;
       
    56     else
       
    57         executablePath = QDir::cleanPath(QDir::currentPath() + QLatin1Char('/') + executableName);
       
    58   
       
    59     arguments = args;
       
    60 
       
    61     process.setProcessChannelMode(QProcess::ForwardedChannels);
       
    62 
       
    63     QObject::connect( &process, SIGNAL(finished(int, QProcess::ExitStatus)), 
       
    64                       this, SLOT(processFinished(int, QProcess::ExitStatus)));
       
    65 
       
    66     QObject::connect( &process, SIGNAL(error(QProcess::ProcessError)), 
       
    67                       this, SLOT(processError(QProcess::ProcessError)));
       
    68 
       
    69     QObject::connect( &process, SIGNAL(started()), this, SLOT(processStarted()));
       
    70 }
       
    71 
       
    72 
       
    73 void DemoApplication::launch()
       
    74 {
       
    75     process.start(executablePath, arguments);
       
    76 }
       
    77 
       
    78 QImage* DemoApplication::getImage()
       
    79 {
       
    80     return new QImage(imagePath);
       
    81 }
       
    82 
       
    83 QString DemoApplication::getCaption()
       
    84 {
       
    85     return appCaption;
       
    86 }
       
    87 
       
    88 void DemoApplication::processFinished(int exitCode, QProcess::ExitStatus exitStatus)
       
    89 {
       
    90     Q_UNUSED(exitCode);
       
    91     Q_UNUSED(exitStatus);
       
    92 
       
    93     emit demoFinished();
       
    94 
       
    95     QObject::disconnect(this, SIGNAL(demoStarted()), 0, 0);
       
    96     QObject::disconnect(this, SIGNAL(demoFinished()), 0, 0);
       
    97 }
       
    98 
       
    99 void DemoApplication::processError(QProcess::ProcessError err)
       
   100 {
       
   101     qDebug() << "Process error: " << err;
       
   102     if (err == QProcess::Crashed)
       
   103         emit demoFinished();
       
   104 }
       
   105 
       
   106 
       
   107 void DemoApplication::processStarted()
       
   108 {
       
   109     emit demoStarted();
       
   110 }
       
   111 
       
   112 
       
   113 
       
   114 
       
   115 
       
   116