ApplicationLauncher::ApplicationLauncher(QObject *parent) :
application::LauncherBase(parent),
m_launcherObject(nullptr),
m_synced(false),
m_temporaryDir(nullptr)
{
initializeObject();
createTemporaryDir();
addLauncherTopic("launcher");
}
QString handleNewAppInstance(QtSingleApplication *singleApp, int argc, char **argv, const QString &newInstanceArg)
{
if (singleApp->isRunning())
{
QStringList args;
bool newInstance = false;
for (int i = 1; i < argc; ++i)
{
args << argv[i];
if (args.back().endsWith(newInstanceArg))
{
newInstance = true;
}
}
if (newInstance)
{
QString path;
if (!createTemporaryDir(path))
{
qCritical("Could not create temporary storage path for new application instance.");
exit(EXIT_FAILURE);
}
qWarning("Forcing new application instance. The application data will be written to a temporary directory.");
return path;
}
else
{
QByteArray ba;
QDataStream msg(&ba, QIODevice::WriteOnly);
msg << QString("$cmdLineArgs"); // This message contains command line arguments
msg << args;
if (singleApp->sendMessage(ba))
{
exit(EXIT_SUCCESS);
}
else
{
qCritical("The running application seems to be frozen.");
exit(EXIT_FAILURE);
}
}
}
return QString();
}