kprintprocess.cpp

00001 /*
00002  *  This file is part of the KDE libraries
00003  *  Copyright (c) 2001 Michael Goffioul <kdeprint@swing.be>
00004  *
00005  *  This library is free software; you can redistribute it and/or
00006  *  modify it under the terms of the GNU Library General Public
00007  *  License version 2 as published by the Free Software Foundation.
00008  *
00009  *  This library is distributed in the hope that it will be useful,
00010  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00011  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012  *  Library General Public License for more details.
00013  *
00014  *  You should have received a copy of the GNU Library General Public License
00015  *  along with this library; see the file COPYING.LIB.  If not, write to
00016  *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00017  *  Boston, MA 02110-1301, USA.
00018  **/
00019 
00020 #include "kprintprocess.h"
00021 #include <kapplication.h>
00022 #include <klocale.h>
00023 #include <qfile.h>
00024 
00025 KPrintProcess::KPrintProcess()
00026 : KShellProcess()
00027 {
00028     // redirect everything to a single buffer
00029     connect(this,SIGNAL(receivedStdout(KProcess*,char*,int)),SLOT(slotReceivedStderr(KProcess*,char*,int)));
00030     connect(this,SIGNAL(receivedStderr(KProcess*,char*,int)),SLOT(slotReceivedStderr(KProcess*,char*,int)));
00031     connect( this, SIGNAL( processExited( KProcess* ) ), SLOT( slotExited( KProcess* ) ) );
00032     m_state = None;
00033 }
00034 
00035 KPrintProcess::~KPrintProcess()
00036 {
00037     if ( !m_tempoutput.isEmpty() )
00038         QFile::remove( m_tempoutput );
00039     if ( m_tempfiles.size() > 0 )
00040         for ( QStringList::ConstIterator it=m_tempfiles.begin(); it!=m_tempfiles.end(); ++it )
00041             QFile::remove( *it );
00042 }
00043 
00044 QString KPrintProcess::errorMessage() const
00045 {
00046     return m_buffer;
00047 }
00048 
00049 bool KPrintProcess::print()
00050 {
00051     m_buffer = QString::null;
00052     m_state = Printing;
00053     return start(NotifyOnExit,All);
00054 }
00055 
00056 void KPrintProcess::slotReceivedStderr(KProcess *proc, char *buf, int len)
00057 {
00058     if (proc == this)
00059     {
00060         QCString    str = QCString(buf,len).stripWhiteSpace();
00061         m_buffer.append(str.append("\n"));
00062     }
00063 }
00064 
00065 void KPrintProcess::slotExited( KProcess* )
00066 {
00067     switch ( m_state )
00068     {
00069         case Printing:
00070             if ( !m_output.isEmpty() )
00071             {
00072                 clearArguments();
00073                 *this << "kfmclient" << "copy" << m_tempoutput << m_output;
00074                 m_state = Finishing;
00075                 m_buffer = i18n( "File transfer failed." );
00076                 if ( start( NotifyOnExit ) )
00077                     return;
00078             }
00079         case Finishing:
00080             if ( !normalExit() )
00081                 emit printError( this, i18n( "Abnormal process termination (<b>%1</b>)." ).arg( m_command ) );
00082             else if ( exitStatus() != 0 )
00083                 emit printError( this, i18n( "<b>%1</b>: execution failed with message:<p>%2</p>" ).arg( m_command ).arg( m_buffer ) );
00084             else
00085                 emit printTerminated( this );
00086             break;
00087         default:
00088             emit printError( this, "Internal error, printing terminated in unexpected state. "
00089                     "Report bug at <a href=\"http://bugs.kde.org\">http://bugs.kde.org</a>." );
00090             break;
00091     }
00092 }
00093 
00094 #include "kprintprocess.moc"
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