00001 /* 00002 ** This file is part of Vidalia, and is subject to the license terms in the 00003 ** LICENSE file, found in the top level directory of this distribution. If you 00004 ** did not receive the LICENSE file with this file, you may obtain it from the 00005 ** Vidalia source package distributed by the Vidalia Project at 00006 ** http://www.vidalia-project.net/. No part of Vidalia, including this file, 00007 ** may be copied, modified, propagated, or distributed except according to the 00008 ** terms described in the LICENSE file. 00009 */ 00010 /* 00011 ** This file was originally written by Steven J. Murdoch, and 00012 ** modified by Matt Edman. It is distributed under the following 00013 ** license: 00014 ** 00015 ** Copyright (C) 2007, Matt Edman 00016 ** Copyright (C) 2007, Steven J. Murdoch 00017 ** <http://www.cl.cam.ac.uk/users/sjm217/> 00018 ** 00019 ** This program is free software; you can redistribute it and/or 00020 ** modify it under the terms of the GNU General Public License 00021 ** as published by the Free Software Foundation; either version 2 00022 ** of the License, or (at your option) any later version. 00023 ** 00024 ** This program is distributed in the hope that it will be useful, 00025 ** but WITHOUT ANY WARRANTY; without even the implied warranty of 00026 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00027 ** GNU General Public License for more details. 00028 ** 00029 ** You should have received a copy of the GNU General Public License 00030 ** along with this program; if not, write to the Free Software 00031 ** Foundation, Inc., 51 Franklin Street, Fifth Floor, 00032 ** Boston, MA 02110-1301, USA. 00033 */ 00034 00035 /* 00036 ** \file helperprocess.cpp 00037 ** \version $Id: helperprocess.cpp 2675 2008-06-06 23:28:53Z edmanm $ 00038 ** \brief Invokes a web browser process (originally by Steven. J. Murdoch) 00039 */ 00040 00041 #include <QString> 00042 00043 #include "helperprocess.h" 00044 00045 00046 /** Default constructor */ 00047 HelperProcess::HelperProcess(QObject *parent) 00048 : QProcess(parent) 00049 { 00050 // Call error handling routine on errors 00051 QObject::connect(this, SIGNAL(error(QProcess::ProcessError)), 00052 this, SLOT(onError(QProcess::ProcessError))); 00053 } 00054 00055 /** Start the specified application. */ 00056 void 00057 HelperProcess::start(const QString &app, const QStringList &args) 00058 { 00059 // Start the specified application 00060 QProcess::start(app, args, QIODevice::ReadOnly | QIODevice::Text); 00061 } 00062 00063 /** Invoked when underlying QProcess fails. */ 00064 void 00065 HelperProcess::onError(QProcess::ProcessError error) 00066 { 00067 // Pass up error messages on startup, but ignore the rest 00068 if (error == QProcess::FailedToStart) { 00069 emit startFailed(errorString()); 00070 } 00071 } 00072 00073 /** Returns true iff process is not running. */ 00074 bool 00075 HelperProcess::isDone() const 00076 { 00077 return state() == NotRunning; 00078 } 00079