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k3b/libk3b/projects/datacd/k3bdatajob.cpp

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/*
*
* $Id: k3bdatajob.cpp 690187 2007-07-20 09:18:03Z trueg $
* Copyright (C) 2003 Sebastian Trueg <trueg@k3b.org>
*
* This file is part of the K3b project.
* Copyright (C) 1998-2007 Sebastian Trueg <trueg@k3b.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* See the file "COPYING" for the exact licensing terms.
*/
#include "k3bdatajob.h"
#include "k3bdatadoc.h"
#include "k3bisoimager.h"
#include "k3bmsinfofetcher.h"
#include <k3bcore.h>
#include <k3bglobals.h>
#include <k3bversion.h>
#include <k3bdevice.h>
#include <k3bdevicehandler.h>
#include <k3btoc.h>
#include <k3btrack.h>
#include <k3bdevicehandler.h>
#include <k3bexternalbinmanager.h>
#include <k3bcdrecordwriter.h>
#include <k3bcdrdaowriter.h>
#include <k3bglobalsettings.h>
#include <k3bactivepipe.h>
#include <k3bfilesplitter.h>
#include <k3bverificationjob.h>
#include <kprocess.h>
#include <kapplication.h>
#include <klocale.h>
#include <kstandarddirs.h>
#include <ktempfile.h>
#include <kio/global.h>
#include <kio/job.h>
#include <tqstring.h>
#include <tqstringlist.h>
#include <tqdatetime.h>
#include <tqfile.h>
#include <tqdatastream.h>
#include <kdebug.h>
class K3bDataJob::Private
{
public:
Private()
: usedWritingApp(K3b::CDRECORD),
verificationJob(0) {
}
K3bDataDoc* doc;
bool initializingImager;
bool imageFinished;
bool canceled;
KTempFile* tocFile;
int usedDataMode;
int usedWritingApp;
int usedWritingMode;
K3bDataDoc::MultiSessionMode usedMultiSessionMode;
int copies;
int copiesDone;
K3bVerificationJob* verificationJob;
K3bFileSplitter imageFile;
K3bActivePipe pipe;
};
K3bDataJob::K3bDataJob( K3bDataDoc* doc, K3bJobHandler* hdl, TQObject* parent )
: K3bBurnJob( hdl, parent )
{
d = new Private;
d->doc = doc;
m_writerJob = 0;
d->tocFile = 0;
m_isoImager = 0;
m_msInfoFetcher = new K3bMsInfoFetcher( this, this );
connect( m_msInfoFetcher, TQT_SIGNAL(finished(bool)), this, TQT_SLOT(slotMsInfoFetched(bool)) );
connect( m_msInfoFetcher, TQT_SIGNAL(infoMessage(const TQString&, int)), this, TQT_SIGNAL(infoMessage(const TQString&, int)) );
connect( m_msInfoFetcher, TQT_SIGNAL(debuggingOutput(const TQString&, const TQString&)),
this, TQT_SIGNAL(debuggingOutput(const TQString&, const TQString&)) );
d->imageFinished = true;
}
K3bDataJob::~K3bDataJob()
{
delete d->tocFile;
delete d;
}
K3bDoc* K3bDataJob::doc() const
{
return d->doc;
}
K3bDevice::Device* K3bDataJob::writer() const
{
if( doc()->onlyCreateImages() )
return 0; // no writer needed -> no blocking on K3bBurnJob
else
return doc()->burner();
}
void K3bDataJob::start()
{
jobStarted();
d->canceled = false;
d->imageFinished = false;
d->copies = d->doc->copies();
d->copiesDone = 0;
d->usedMultiSessionMode = d->doc->multiSessionMode();
prepareImager();
if( d->doc->dummy() ) {
d->doc->setVerifyData( false );
d->copies = 1;
}
emit newTask( i18n("Preparing data") );
// there is no harm in setting these even if we write on-the-fly
d->imageFile.setName( d->doc->tempDir() );
d->pipe.readFromIODevice( &d->imageFile );
if( d->usedMultiSessionMode == K3bDataDoc::AUTO && !d->doc->onlyCreateImages() )
determineMultiSessionMode();
else
prepareWriting();
}
void K3bDataJob::prepareWriting()
{
if( !d->doc->onlyCreateImages() &&
( d->usedMultiSessionMode == K3bDataDoc::CONTINUE ||
d->usedMultiSessionMode == K3bDataDoc::FINISH ) ) {
// no sense continuing the same session twice
// FIXME: why not?
d->copies = 1;
m_msInfoFetcher->setDevice( d->doc->burner() );
if( !waitForMedium() ) {
cancel();
return;
}
if( K3b::isMounted( d->doc->burner() ) ) {
emit infoMessage( i18n("Unmounting disk"), INFO );
K3b::unmount( d->doc->burner() );
}
m_msInfoFetcher->start();
}
else {
m_isoImager->setMultiSessionInfo( TQString() );
prepareData();
d->initializingImager = true;
m_isoImager->init();
}
}
void K3bDataJob::slotMsInfoFetched(bool success)
{
if( success ) {
// we call this here since in ms mode we might want to check
// the last track's datamode
prepareData();
if( d->usedWritingApp == K3b::CDRDAO ) // cdrdao seems to write a 150 blocks pregap that is not used by cdrecord
m_isoImager->setMultiSessionInfo( TQString("%1,%2").tqarg(m_msInfoFetcher->lastSessionStart()).tqarg(m_msInfoFetcher->nextSessionStart()+150), d->doc->burner() );
else
m_isoImager->setMultiSessionInfo( m_msInfoFetcher->msInfo(), d->doc->burner() );
d->initializingImager = true;
m_isoImager->init();
}
else {
// the MsInfoFetcher already emitted failure info
cancelAll();
jobFinished( false );
}
}
void K3bDataJob::writeImage()
{
d->initializingImager = false;
emit burning(false);
// get image file path
if( d->doc->tempDir().isEmpty() )
d->doc->setTempDir( K3b::findUniqueFilePrefix( d->doc->isoOptions().volumeID() ) + ".iso" );
// TODO: check if the image file is part of the project and if so warn the user
// and append some number to make the path unique.
emit newTask( i18n("Creating image file") );
emit newSubTask( i18n("Track 1 of 1") );
emit infoMessage( i18n("Creating image file in %1").tqarg(d->doc->tempDir()), INFO );
m_isoImager->writeToImageFile( d->doc->tempDir() );
m_isoImager->start();
}
bool K3bDataJob::startOnTheFlyWriting()
{
if( prepareWriterJob() ) {
if( startWriterJob() ) {
// try a direct connection between the processes
if( m_writerJob->fd() != -1 )
m_isoImager->writeToFd( m_writerJob->fd() );
d->initializingImager = false;
m_isoImager->start();
return true;
}
}
return false;
}
void K3bDataJob::cancel()
{
emit infoMessage( i18n("Writing canceled."), K3bJob::ERROR );
emit canceled();
if( m_writerJob && m_writerJob->active() ) {
//
// lets wait for the writer job to finish
// and let it finish the job for good.
//
cancelAll();
}
else {
//
// Just cancel all and return
// This is bad design as we should wait for all subjobs to finish
//
cancelAll();
jobFinished( false );
}
}
void K3bDataJob::slotIsoImagerPercent( int p )
{
if( d->doc->onlyCreateImages() ) {
emit subPercent( p );
emit percent( p );
}
else if( !d->doc->onTheFly() ) {
double totalTasks = d->copies;
double tasksDone = d->copiesDone; // =0 when creating an image
if( d->doc->verifyData() ) {
totalTasks*=2;
tasksDone*=2;
}
if( !d->doc->onTheFly() ) {
totalTasks+=1.0;
}
emit subPercent( p );
emit percent( (int)((100.0*tasksDone + (double)p) / totalTasks) );
}
}
void K3bDataJob::slotIsoImagerFinished( bool success )
{
if( d->initializingImager ) {
if( success ) {
if( d->doc->onTheFly() && !d->doc->onlyCreateImages() ) {
if( !startOnTheFlyWriting() ) {
cancelAll();
jobFinished( false );
}
}
else {
writeImage();
}
}
else {
if( m_isoImager->hasBeenCanceled() )
emit canceled();
jobFinished( false );
}
}
else {
// tell the writer that there won't be more data
if( d->doc->onTheFly() && m_writerJob )
m_writerJob->closeFd();
if( !d->doc->onTheFly() ||
d->doc->onlyCreateImages() ) {
if( success ) {
emit infoMessage( i18n("Image successfully created in %1").tqarg(d->doc->tempDir()), K3bJob::SUCCESS );
d->imageFinished = true;
if( d->doc->onlyCreateImages() ) {
jobFinished( true );
}
else {
if( prepareWriterJob() ) {
startWriterJob();
d->pipe.writeToFd( m_writerJob->fd(), true );
d->pipe.open(true);
}
}
}
else {
if( m_isoImager->hasBeenCanceled() )
emit canceled();
else
emit infoMessage( i18n("Error while creating ISO image"), ERROR );
cancelAll();
jobFinished( false );
}
}
else if( !success ) { // on-the-fly
//
// In case the imager failed let's make sure the writer does not emit an unusable
// error message.
//
if( m_writerJob && m_writerJob->active() )
m_writerJob->setSourceUnreadable( true );
// there is one special case which we need to handle here: the iso imager might be canceled
// FIXME: the iso imager should not be able to cancel itself
if( m_isoImager->hasBeenCanceled() && !this->hasBeenCanceled() )
cancel();
}
}
}
bool K3bDataJob::startWriterJob()
{
if( d->doc->dummy() )
emit newTask( i18n("Simulating") );
else if( d->copies > 1 )
emit newTask( i18n("Writing Copy %1").tqarg(d->copiesDone+1) );
else
emit newTask( i18n("Writing") );
// if we append a new session we asked for an appendable cd already
if( d->usedMultiSessionMode == K3bDataDoc::NONE ||
d->usedMultiSessionMode == K3bDataDoc::START ) {
if( !waitForMedium() ) {
return false;
}
}
emit burning(true);
m_writerJob->start();
return true;
}
void K3bDataJob::slotWriterJobPercent( int p )
{
double totalTasks = d->copies;
double tasksDone = d->copiesDone;
if( d->doc->verifyData() ) {
totalTasks*=2;
tasksDone*=2;
}
if( !d->doc->onTheFly() ) {
totalTasks+=1.0;
tasksDone+=1.0;
}
emit percent( (int)((100.0*tasksDone + (double)p) / totalTasks) );
}
void K3bDataJob::slotWriterNextTrack( int t, int tt )
{
emit newSubTask( i18n("Writing Track %1 of %2").tqarg(t).tqarg(tt) );
}
void K3bDataJob::slotWriterJobFinished( bool success )
{
d->pipe.close();
//
// This is a little workaround for the bad cancellation handling in this job
// see cancel()
//
if( d->canceled ) {
if( active() )
jobFinished( false );
}
if( success ) {
// allright
// the writerJob should have emited the "simulation/writing successful" signal
if( d->doc->verifyData() ) {
if( !d->verificationJob ) {
d->verificationJob = new K3bVerificationJob( this, this );
connect( d->verificationJob, TQT_SIGNAL(infoMessage(const TQString&, int)),
this, TQT_SIGNAL(infoMessage(const TQString&, int)) );
connect( d->verificationJob, TQT_SIGNAL(newTask(const TQString&)),
this, TQT_SIGNAL(newSubTask(const TQString&)) );
connect( d->verificationJob, TQT_SIGNAL(newSubTask(const TQString&)),
this, TQT_SIGNAL(newSubTask(const TQString&)) );
connect( d->verificationJob, TQT_SIGNAL(percent(int)),
this, TQT_SLOT(slotVerificationProgress(int)) );
connect( d->verificationJob, TQT_SIGNAL(percent(int)),
this, TQT_SIGNAL(subPercent(int)) );
connect( d->verificationJob, TQT_SIGNAL(finished(bool)),
this, TQT_SLOT(slotVerificationFinished(bool)) );
connect( d->verificationJob, TQT_SIGNAL(debuggingOutput(const TQString&, const TQString&)),
this, TQT_SIGNAL(debuggingOutput(const TQString&, const TQString&)) );
}
d->verificationJob->clear();
d->verificationJob->setDevice( d->doc->burner() );
d->verificationJob->setGrownSessionSize( m_isoImager->size() );
d->verificationJob->addTrack( 0, m_isoImager->checksum(), m_isoImager->size() );
emit burning(false);
emit newTask( i18n("Verifying written data") );
d->verificationJob->start();
}
else {
d->copiesDone++;
if( d->copiesDone < d->copies ) {
K3bDevice::eject( d->doc->burner() );
bool failed = false;
if( d->doc->onTheFly() )
failed = !startOnTheFlyWriting();
else
failed = !startWriterJob();
if( failed ) {
cancel();
}
else if( !d->doc->onTheFly() ) {
d->pipe.writeToFd( m_writerJob->fd(), true );
d->pipe.open(true);
}
}
else {
cleanup();
jobFinished(true);
}
}
}
else {
cancelAll();
jobFinished( false );
}
}
void K3bDataJob::slotVerificationProgress( int p )
{
double totalTasks = d->copies*2;
double tasksDone = d->copiesDone*2 + 1; // the writing of the current copy has already been finished
if( !d->doc->onTheFly() ) {
totalTasks+=1.0;
tasksDone+=1.0;
}
emit percent( (int)((100.0*tasksDone + (double)p) / totalTasks) );
}
void K3bDataJob::slotVerificationFinished( bool success )
{
d->copiesDone++;
// reconnect our imager which we deconnected for the verification
connectImager();
if( k3bcore->globalSettings()->ejectMedia() || d->copiesDone < d->copies )
K3bDevice::eject( d->doc->burner() );
if( !d->canceled && d->copiesDone < d->copies ) {
bool failed = false;
if( d->doc->onTheFly() )
failed = !startOnTheFlyWriting();
else
failed = !startWriterJob();
if( failed )
cancel();
else if( !d->doc->onTheFly() ) {
d->pipe.writeToFd( m_writerJob->fd(), true );
d->pipe.open(true);
}
}
else {
cleanup();
jobFinished( success );
}
}
void K3bDataJob::setWriterJob( K3bAbstractWriter* writer )
{
// FIXME: progressedsize for multiple copies
m_writerJob = writer;
connect( m_writerJob, TQT_SIGNAL(infoMessage(const TQString&, int)), this, TQT_SIGNAL(infoMessage(const TQString&, int)) );
connect( m_writerJob, TQT_SIGNAL(percent(int)), this, TQT_SLOT(slotWriterJobPercent(int)) );
connect( m_writerJob, TQT_SIGNAL(processedSize(int, int)), this, TQT_SIGNAL(processedSize(int, int)) );
connect( m_writerJob, TQT_SIGNAL(subPercent(int)), this, TQT_SIGNAL(subPercent(int)) );
connect( m_writerJob, TQT_SIGNAL(processedSubSize(int, int)), this, TQT_SIGNAL(processedSubSize(int, int)) );
connect( m_writerJob, TQT_SIGNAL(nextTrack(int, int)), this, TQT_SLOT(slotWriterNextTrack(int, int)) );
connect( m_writerJob, TQT_SIGNAL(buffer(int)), this, TQT_SIGNAL(buffertqStatus(int)) );
connect( m_writerJob, TQT_SIGNAL(deviceBuffer(int)), this, TQT_SIGNAL(deviceBuffer(int)) );
connect( m_writerJob, TQT_SIGNAL(writeSpeed(int, int)), this, TQT_SIGNAL(writeSpeed(int, int)) );
connect( m_writerJob, TQT_SIGNAL(finished(bool)), this, TQT_SLOT(slotWriterJobFinished(bool)) );
connect( m_writerJob, TQT_SIGNAL(newSubTask(const TQString&)), this, TQT_SIGNAL(newSubTask(const TQString&)) );
connect( m_writerJob, TQT_SIGNAL(debuggingOutput(const TQString&, const TQString&)),
this, TQT_SIGNAL(debuggingOutput(const TQString&, const TQString&)) );
}
void K3bDataJob::setImager( K3bIsoImager* imager )
{
if( m_isoImager != imager ) {
delete m_isoImager;
m_isoImager = imager;
connectImager();
}
}
void K3bDataJob::connectImager()
{
m_isoImager->disconnect( this );
connect( m_isoImager, TQT_SIGNAL(infoMessage(const TQString&, int)), this, TQT_SIGNAL(infoMessage(const TQString&, int)) );
connect( m_isoImager, TQT_SIGNAL(percent(int)), this, TQT_SLOT(slotIsoImagerPercent(int)) );
connect( m_isoImager, TQT_SIGNAL(finished(bool)), this, TQT_SLOT(slotIsoImagerFinished(bool)) );
connect( m_isoImager, TQT_SIGNAL(debuggingOutput(const TQString&, const TQString&)),
this, TQT_SIGNAL(debuggingOutput(const TQString&, const TQString&)) );
}
void K3bDataJob::prepareImager()
{
if( !m_isoImager )
setImager( new K3bIsoImager( d->doc, this, this ) );
}
bool K3bDataJob::prepareWriterJob()
{
if( m_writerJob )
return true;
// It seems as if cdrecord is not able to append sessions in dao mode whereas cdrdao is
if( d->usedWritingApp == K3b::CDRECORD ) {
K3bCdrecordWriter* writer = new K3bCdrecordWriter( d->doc->burner(), this, this );
// cdrecord manpage says that "not all" writers are able to write
// multisession disks in dao mode. That means there are writers that can.
// Does it really make sence to write DAta ms cds in DAO mode since writing the
// first session of a cd-extra in DAO mode is no problem with my writer while
// writing the second data session is only possible in TAO mode.
if( d->usedWritingMode == K3b::DAO &&
d->usedMultiSessionMode != K3bDataDoc::NONE )
emit infoMessage( i18n("Most writers do not support writing "
"multisession CDs in DAO mode."), INFO );
writer->setWritingMode( d->usedWritingMode );
writer->setSimulate( d->doc->dummy() );
writer->setBurnSpeed( d->doc->speed() );
// multisession
if( d->usedMultiSessionMode == K3bDataDoc::START ||
d->usedMultiSessionMode == K3bDataDoc::CONTINUE ) {
writer->addArgument("-multi");
}
if( d->doc->onTheFly() &&
( d->usedMultiSessionMode == K3bDataDoc::CONTINUE ||
d->usedMultiSessionMode == K3bDataDoc::FINISH ) )
writer->addArgument("-waiti");
if( d->usedDataMode == K3b::MODE1 )
writer->addArgument( "-data" );
else {
if( k3bcore->externalBinManager()->binObject("cdrecord") &&
k3bcore->externalBinManager()->binObject("cdrecord")->hasFeature( "xamix" ) )
writer->addArgument( "-xa" );
else
writer->addArgument( "-xa1" );
}
writer->addArgument( TQString("-tsize=%1s").tqarg(m_isoImager->size()) )->addArgument("-");
setWriterJob( writer );
}
else {
// create cdrdao job
K3bCdrdaoWriter* writer = new K3bCdrdaoWriter( d->doc->burner(), this, this );
writer->setCommand( K3bCdrdaoWriter::WRITE );
writer->setSimulate( d->doc->dummy() );
writer->setBurnSpeed( d->doc->speed() );
// multisession
writer->setMulti( d->usedMultiSessionMode == K3bDataDoc::START ||
d->usedMultiSessionMode == K3bDataDoc::CONTINUE );
// now write the tocfile
if( d->tocFile ) delete d->tocFile;
d->tocFile = new KTempFile( TQString(), "toc" );
d->tocFile->setAutoDelete(true);
if( TQTextStream* s = d->tocFile->textStream() ) {
if( d->usedDataMode == K3b::MODE1 ) {
*s << "CD_ROM" << "\n";
*s << "\n";
*s << "TRACK MODE1" << "\n";
}
else {
*s << "CD_ROM_XA" << "\n";
*s << "\n";
*s << "TRACK MODE2_FORM1" << "\n";
}
*s << "DATAFILE \"-\" " << m_isoImager->size()*2048 << "\n";
d->tocFile->close();
}
else {
kdDebug() << "(K3bDataJob) could not write tocfile." << endl;
emit infoMessage( i18n("IO Error"), ERROR );
cancelAll();
return false;
}
writer->setTocFile( d->tocFile->name() );
setWriterJob( writer );
}
return true;
}
void K3bDataJob::prepareData()
{
// we don't need this when only creating image and it is possible
// that the burn device is null
if( d->doc->onlyCreateImages() )
return;
// first of all we determine the data mode
if( d->doc->dataMode() == K3b::DATA_MODE_AUTO ) {
if( !d->doc->onlyCreateImages() &&
( d->usedMultiSessionMode == K3bDataDoc::CONTINUE ||
d->usedMultiSessionMode == K3bDataDoc::FINISH ) ) {
// try to get the last track's datamode
// we already asked for an appendable cdr when fetching
// the ms info
kdDebug() << "(K3bDataJob) determining last track's datamode..." << endl;
// FIXME: use a devicethread
K3bDevice::Toc toc = d->doc->burner()->readToc();
if( toc.isEmpty() ) {
kdDebug() << "(K3bDataJob) could not retrieve toc." << endl;
emit infoMessage( i18n("Unable to determine the last track's datamode. Using default."), ERROR );
d->usedDataMode = K3b::MODE2;
}
else {
if( toc[toc.count()-1].mode() == K3bDevice::Track::MODE1 )
d->usedDataMode = K3b::MODE1;
else
d->usedDataMode = K3b::MODE2;
kdDebug() << "(K3bDataJob) using datamode: "
<< (d->usedDataMode == K3b::MODE1 ? "mode1" : "mode2")
<< endl;
}
}
else if( d->usedMultiSessionMode == K3bDataDoc::NONE )
d->usedDataMode = K3b::MODE1;
else
d->usedDataMode = K3b::MODE2;
}
else
d->usedDataMode = d->doc->dataMode();
// determine the writing mode
if( d->doc->writingMode() == K3b::WRITING_MODE_AUTO ) {
// TODO: put this into the cdreocrdwriter and decide based on the size of the
// track
if( writer()->dao() && d->usedDataMode == K3b::MODE1 &&
d->usedMultiSessionMode == K3bDataDoc::NONE )
d->usedWritingMode = K3b::DAO;
else
d->usedWritingMode = K3b::TAO;
}
else
d->usedWritingMode = d->doc->writingMode();
// cdrecord seems to have problems writing xa 1 disks in dao mode? At least on my system!
if( writingApp() == K3b::DEFAULT ) {
if( d->usedWritingMode == K3b::DAO ) {
if( d->usedMultiSessionMode != K3bDataDoc::NONE )
d->usedWritingApp = K3b::CDRDAO;
else if( d->usedDataMode == K3b::MODE2 )
d->usedWritingApp = K3b::CDRDAO;
else
d->usedWritingApp = K3b::CDRECORD;
}
else
d->usedWritingApp = K3b::CDRECORD;
}
else
d->usedWritingApp = writingApp();
}
void K3bDataJob::determineMultiSessionMode()
{
//
// THIS IS ONLY CALLED IF d->doc->multiSessionMode() == K3bDataDoc::AUTO!
//
if( d->doc->writingMode() == K3b::WRITING_MODE_AUTO ||
d->doc->writingMode() == K3b::TAO ) {
emit newSubTask( i18n("Searching for old session") );
//
// Wait for the medium.
// In case an old session was imported we always want to continue or finish a multisession CD/DVD.
// Otherwise we wait for everything we could handle and decide what to do in
// determineMultiSessionMode( K3bDevice::DeviceHandler* ) below.
//
int wantedMediaState = K3bDevice::STATE_INCOMPLETE|K3bDevice::STATE_EMPTY;
if( d->doc->sessionImported() )
wantedMediaState = K3bDevice::STATE_INCOMPLETE;
int m = waitForMedia( d->doc->burner(),
wantedMediaState,
K3bDevice::MEDIA_WRITABLE_CD );
if( m < 0 )
cancel();
else {
// now we need to determine the media's size
connect( K3bDevice::sendCommand( K3bDevice::DeviceHandler::NG_DISKINFO, d->doc->burner() ),
TQT_SIGNAL(finished(K3bDevice::DeviceHandler*)),
this,
TQT_SLOT(slotDetermineMultiSessionMode(K3bDevice::DeviceHandler*)) );
}
}
else {
// we need TAO for multisession
d->usedMultiSessionMode = K3bDataDoc::NONE;
// carry on with the writing
prepareWriting();
}
}
void K3bDataJob::slotDetermineMultiSessionMode( K3bDevice::DeviceHandler* dh )
{
//
// This is a little workaround for the bad cancellation handling in this job
// see cancel()
//
if( d->canceled ) {
if( active() ) {
cleanup();
jobFinished( false );
}
}
else {
d->usedMultiSessionMode = getMultiSessionMode( dh->diskInfo() );
// carry on with the writing
prepareWriting();
}
}
K3bDataDoc::MultiSessionMode K3bDataJob::getMultiSessionMode( const K3bDevice::DiskInfo& info )
{
if( info.appendable() ) {
//
// 3 cases:
// 1. the project does not fit -> no multisession (resulting in asking for another media above)
// 2. the project does fit and fills up the CD -> finish multisession
// 3. the project does fit and does not fill up the CD -> continue multisession
//
// In case a session has been imported we do not consider NONE at all.
//
if( d->doc->size() > info.remainingSize().mode1Bytes() && !d->doc->sessionImported() )
d->usedMultiSessionMode = K3bDataDoc::NONE;
else if( d->doc->size() >= info.remainingSize().mode1Bytes()*9/10 )
d->usedMultiSessionMode = K3bDataDoc::FINISH;
else
d->usedMultiSessionMode = K3bDataDoc::CONTINUE;
}
else if( info.empty() ) {
//
// We only close the CD if the project fills up the CD almost completely (90%)
//
if( d->doc->size() >= info.capacity().mode1Bytes()*9/10 ||
d->doc->writingMode() == K3b::DAO )
d->usedMultiSessionMode = K3bDataDoc::NONE;
else
d->usedMultiSessionMode = K3bDataDoc::START;
}
else { // complete (WE SHOULD ACTUALLY NEVER GET HERE SINCE WE WAIT FOR AN EMPTY/APPENDABLE CD ABOVE!)
//
// Now we decide only based on the project size.
// let's just use a 680 MB CD as our reference
//
if( d->doc->size()/1024/1024 >= 680*9/10 ||
d->doc->writingMode() == K3b::DAO )
d->usedMultiSessionMode = K3bDataDoc::NONE;
else
d->usedMultiSessionMode = K3bDataDoc::START;
}
return d->usedMultiSessionMode;
}
void K3bDataJob::cancelAll()
{
d->canceled = true;
m_isoImager->cancel();
m_msInfoFetcher->cancel();
if( m_writerJob )
m_writerJob->cancel();
if( d->verificationJob )
d->verificationJob->cancel();
d->pipe.close();
cleanup();
}
bool K3bDataJob::waitForMedium()
{
emit newSubTask( i18n("Waiting for a medium") );
if( waitForMedia( d->doc->burner(),
d->usedMultiSessionMode == K3bDataDoc::CONTINUE ||
d->usedMultiSessionMode == K3bDataDoc::FINISH ?
K3bDevice::STATE_INCOMPLETE :
K3bDevice::STATE_EMPTY,
K3bDevice::MEDIA_WRITABLE_CD ) < 0 ) {
return false;
}
else
return !d->canceled;
}
TQString K3bDataJob::jobDescription() const
{
if( d->doc->onlyCreateImages() ) {
return i18n("Creating Data Image File");
}
else if( d->doc->multiSessionMode() == K3bDataDoc::NONE ||
d->doc->multiSessionMode() == K3bDataDoc::AUTO ) {
return i18n("Writing Data CD")
+ ( d->doc->isoOptions().volumeID().isEmpty()
? TQString()
: TQString( " (%1)" ).tqarg(d->doc->isoOptions().volumeID()) );
}
else {
return i18n("Writing Multisession CD")
+ ( d->doc->isoOptions().volumeID().isEmpty()
? TQString()
: TQString( " (%1)" ).tqarg(d->doc->isoOptions().volumeID()) );
}
}
TQString K3bDataJob::jobDetails() const
{
if( d->doc->copies() > 1 &&
!d->doc->dummy() &&
!(d->doc->multiSessionMode() == K3bDataDoc::CONTINUE ||
d->doc->multiSessionMode() == K3bDataDoc::FINISH) )
return i18n("ISO9660 Filesystem (Size: %1) - %n copy",
"ISO9660 Filesystem (Size: %1) - %n copies",
d->doc->copies() )
.tqarg(KIO::convertSize( d->doc->size() ));
else
return i18n("ISO9660 Filesystem (Size: %1)")
.tqarg(KIO::convertSize( d->doc->size() ));
}
K3bDataDoc::MultiSessionMode K3bDataJob::usedMultiSessionMode() const
{
return d->usedMultiSessionMode;
}
void K3bDataJob::cleanup()
{
if( !d->doc->onTheFly() && d->doc->removeImages() ) {
if( TQFile::exists( d->doc->tempDir() ) ) {
d->imageFile.remove();
emit infoMessage( i18n("Removed image file %1").tqarg(d->doc->tempDir()), K3bJob::SUCCESS );
}
}
if( d->tocFile ) {
delete d->tocFile;
d->tocFile = 0;
}
}
bool K3bDataJob::hasBeenCanceled() const
{
return d->canceled;
}
#include "k3bdatajob.moc"
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